12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690269126922693269426952696269726982699270027012702270327042705270627072708270927102711271227132714271527162717271827192720272127222723272427252726272727282729273027312732273327342735273627372738273927402741274227432744274527462747274827492750275127522753275427552756275727582759276027612762276327642765276627672768276927702771277227732774277527762777277827792780278127822783278427852786278727882789279027912792279327942795279627972798279928002801280228032804280528062807280828092810281128122813281428152816281728182819282028212822282328242825282628272828282928302831283228332834283528362837283828392840284128422843284428452846284728482849285028512852285328542855285628572858285928602861286228632864286528662867286828692870287128722873287428752876287728782879288028812882288328842885288628872888288928902891289228932894289528962897289828992900290129022903290429052906290729082909291029112912291329142915291629172918291929202921292229232924292529262927292829292930293129322933293429352936293729382939294029412942294329442945294629472948294929502951295229532954295529562957295829592960296129622963296429652966296729682969297029712972297329742975297629772978297929802981298229832984298529862987298829892990299129922993299429952996299729982999300030013002300330043005300630073008300930103011301230133014301530163017301830193020302130223023302430253026302730283029303030313032303330343035303630373038303930403041304230433044304530463047304830493050305130523053305430553056305730583059306030613062306330643065306630673068306930703071307230733074307530763077307830793080308130823083308430853086308730883089309030913092309330943095309630973098309931003101310231033104310531063107310831093110311131123113311431153116311731183119312031213122312331243125312631273128312931303131313231333134313531363137313831393140314131423143314431453146314731483149315031513152315331543155315631573158315931603161316231633164316531663167316831693170317131723173317431753176317731783179318031813182318331843185318631873188318931903191319231933194319531963197319831993200320132023203320432053206320732083209321032113212321332143215321632173218321932203221322232233224322532263227322832293230323132323233323432353236323732383239324032413242324332443245324632473248324932503251325232533254325532563257325832593260326132623263326432653266326732683269327032713272327332743275327632773278327932803281328232833284328532863287328832893290329132923293329432953296329732983299330033013302330333043305330633073308330933103311331233133314331533163317331833193320332133223323332433253326332733283329333033313332333333343335333633373338333933403341334233433344334533463347334833493350335133523353335433553356335733583359336033613362336333643365336633673368336933703371337233733374337533763377337833793380338133823383338433853386338733883389339033913392339333943395339633973398339934003401340234033404340534063407340834093410341134123413341434153416341734183419342034213422342334243425342634273428342934303431343234333434343534363437343834393440344134423443344434453446344734483449345034513452345334543455345634573458345934603461346234633464346534663467346834693470347134723473347434753476347734783479348034813482348334843485348634873488348934903491349234933494349534963497349834993500350135023503350435053506350735083509351035113512351335143515351635173518351935203521352235233524352535263527352835293530353135323533353435353536353735383539354035413542354335443545354635473548354935503551355235533554355535563557355835593560356135623563356435653566356735683569357035713572357335743575357635773578357935803581358235833584358535863587358835893590359135923593359435953596359735983599360036013602360336043605360636073608360936103611361236133614361536163617361836193620362136223623362436253626362736283629363036313632363336343635363636373638363936403641364236433644364536463647364836493650365136523653365436553656365736583659366036613662366336643665366636673668366936703671367236733674367536763677367836793680368136823683368436853686368736883689369036913692369336943695369636973698369937003701370237033704370537063707370837093710371137123713371437153716371737183719372037213722372337243725372637273728372937303731373237333734373537363737373837393740374137423743374437453746374737483749375037513752375337543755375637573758375937603761376237633764376537663767376837693770377137723773377437753776377737783779378037813782378337843785378637873788378937903791379237933794379537963797379837993800380138023803380438053806380738083809381038113812381338143815381638173818381938203821382238233824382538263827382838293830383138323833383438353836383738383839384038413842384338443845384638473848384938503851385238533854385538563857385838593860386138623863386438653866386738683869387038713872387338743875387638773878387938803881388238833884388538863887388838893890389138923893389438953896389738983899390039013902390339043905390639073908390939103911391239133914391539163917391839193920392139223923392439253926392739283929393039313932393339343935393639373938393939403941394239433944394539463947394839493950395139523953395439553956395739583959396039613962396339643965396639673968396939703971397239733974397539763977397839793980398139823983398439853986398739883989399039913992399339943995399639973998399940004001400240034004400540064007400840094010401140124013401440154016401740184019402040214022402340244025402640274028402940304031403240334034403540364037403840394040404140424043404440454046404740484049405040514052405340544055405640574058405940604061406240634064406540664067406840694070407140724073407440754076407740784079408040814082408340844085408640874088408940904091409240934094409540964097409840994100410141024103410441054106410741084109411041114112411341144115411641174118411941204121412241234124412541264127412841294130413141324133413441354136413741384139414041414142414341444145414641474148414941504151415241534154415541564157415841594160416141624163416441654166416741684169417041714172417341744175417641774178417941804181418241834184418541864187418841894190419141924193419441954196419741984199420042014202420342044205420642074208420942104211421242134214421542164217421842194220422142224223422442254226422742284229423042314232423342344235423642374238423942404241424242434244424542464247424842494250425142524253425442554256425742584259426042614262426342644265426642674268426942704271427242734274427542764277427842794280428142824283428442854286428742884289429042914292429342944295429642974298429943004301430243034304430543064307430843094310431143124313431443154316431743184319432043214322432343244325432643274328432943304331433243334334433543364337433843394340434143424343434443454346434743484349435043514352435343544355435643574358435943604361436243634364436543664367436843694370437143724373437443754376437743784379438043814382438343844385438643874388438943904391439243934394439543964397439843994400440144024403440444054406440744084409441044114412441344144415441644174418441944204421442244234424442544264427442844294430443144324433443444354436443744384439444044414442444344444445444644474448444944504451445244534454445544564457445844594460446144624463446444654466446744684469447044714472447344744475447644774478447944804481448244834484448544864487448844894490449144924493449444954496449744984499450045014502450345044505450645074508450945104511451245134514451545164517451845194520452145224523452445254526452745284529453045314532453345344535453645374538453945404541454245434544454545464547454845494550455145524553455445554556455745584559456045614562456345644565456645674568456945704571457245734574457545764577457845794580458145824583458445854586458745884589459045914592459345944595459645974598459946004601460246034604460546064607460846094610461146124613461446154616461746184619462046214622462346244625462646274628462946304631463246334634463546364637463846394640464146424643464446454646464746484649465046514652465346544655465646574658465946604661466246634664466546664667466846694670467146724673467446754676467746784679468046814682468346844685468646874688468946904691469246934694469546964697469846994700470147024703470447054706470747084709471047114712471347144715471647174718471947204721472247234724472547264727472847294730473147324733473447354736473747384739474047414742474347444745474647474748474947504751475247534754475547564757475847594760476147624763476447654766476747684769477047714772477347744775477647774778477947804781478247834784478547864787478847894790479147924793479447954796479747984799480048014802480348044805480648074808480948104811481248134814481548164817481848194820482148224823482448254826482748284829483048314832483348344835483648374838483948404841484248434844484548464847484848494850485148524853485448554856485748584859486048614862486348644865486648674868486948704871487248734874487548764877487848794880488148824883488448854886488748884889489048914892489348944895489648974898489949004901490249034904490549064907490849094910491149124913491449154916491749184919492049214922492349244925492649274928492949304931493249334934493549364937493849394940494149424943494449454946494749484949495049514952495349544955495649574958495949604961496249634964496549664967496849694970497149724973497449754976497749784979498049814982498349844985498649874988498949904991499249934994499549964997499849995000500150025003500450055006500750085009501050115012501350145015501650175018501950205021502250235024502550265027502850295030503150325033503450355036503750385039504050415042504350445045504650475048504950505051505250535054505550565057505850595060506150625063506450655066506750685069507050715072507350745075507650775078507950805081508250835084508550865087508850895090509150925093509450955096509750985099510051015102510351045105510651075108510951105111511251135114511551165117511851195120512151225123512451255126512751285129513051315132513351345135513651375138513951405141514251435144514551465147514851495150515151525153515451555156515751585159516051615162516351645165516651675168516951705171517251735174517551765177517851795180518151825183518451855186518751885189519051915192519351945195519651975198519952005201520252035204520552065207520852095210521152125213521452155216521752185219522052215222522352245225522652275228522952305231523252335234523552365237523852395240524152425243524452455246524752485249525052515252525352545255525652575258525952605261526252635264526552665267526852695270527152725273527452755276527752785279528052815282528352845285528652875288528952905291529252935294529552965297529852995300530153025303530453055306530753085309531053115312531353145315531653175318531953205321532253235324532553265327532853295330533153325333533453355336533753385339534053415342534353445345534653475348534953505351535253535354535553565357535853595360536153625363536453655366536753685369537053715372537353745375537653775378537953805381538253835384538553865387538853895390539153925393539453955396539753985399540054015402540354045405540654075408540954105411541254135414541554165417541854195420542154225423542454255426542754285429543054315432543354345435543654375438543954405441544254435444544554465447544854495450545154525453545454555456545754585459546054615462546354645465546654675468546954705471547254735474547554765477547854795480548154825483548454855486548754885489549054915492549354945495549654975498549955005501550255035504550555065507550855095510551155125513551455155516551755185519552055215522552355245525552655275528552955305531553255335534553555365537553855395540554155425543554455455546554755485549555055515552555355545555555655575558555955605561556255635564556555665567556855695570557155725573557455755576557755785579558055815582558355845585558655875588558955905591559255935594559555965597559855995600560156025603560456055606560756085609561056115612561356145615561656175618561956205621562256235624562556265627562856295630563156325633563456355636563756385639564056415642564356445645564656475648564956505651565256535654565556565657565856595660566156625663566456655666566756685669567056715672567356745675567656775678567956805681568256835684568556865687568856895690569156925693569456955696569756985699570057015702570357045705570657075708570957105711571257135714571557165717571857195720572157225723572457255726572757285729573057315732573357345735573657375738573957405741574257435744574557465747574857495750575157525753575457555756575757585759576057615762576357645765576657675768576957705771577257735774577557765777577857795780578157825783578457855786578757885789579057915792579357945795579657975798579958005801580258035804580558065807580858095810581158125813581458155816581758185819582058215822582358245825582658275828582958305831583258335834583558365837583858395840584158425843584458455846584758485849585058515852585358545855585658575858585958605861586258635864586558665867586858695870587158725873587458755876587758785879588058815882588358845885588658875888588958905891589258935894589558965897589858995900590159025903590459055906590759085909591059115912591359145915591659175918591959205921592259235924592559265927592859295930593159325933593459355936593759385939594059415942594359445945594659475948594959505951595259535954595559565957595859595960596159625963596459655966596759685969597059715972597359745975597659775978597959805981598259835984598559865987598859895990599159925993599459955996599759985999600060016002600360046005600660076008600960106011601260136014601560166017601860196020602160226023602460256026602760286029603060316032603360346035603660376038603960406041604260436044604560466047604860496050605160526053605460556056605760586059606060616062606360646065606660676068606960706071607260736074607560766077607860796080608160826083608460856086608760886089609060916092609360946095609660976098609961006101610261036104610561066107610861096110611161126113611461156116611761186119612061216122612361246125612661276128612961306131613261336134613561366137613861396140614161426143614461456146614761486149615061516152615361546155615661576158615961606161616261636164616561666167616861696170617161726173617461756176617761786179618061816182618361846185618661876188618961906191619261936194619561966197619861996200620162026203620462056206620762086209621062116212621362146215621662176218621962206221622262236224622562266227622862296230623162326233623462356236623762386239624062416242624362446245624662476248624962506251625262536254625562566257625862596260626162626263626462656266626762686269627062716272627362746275627662776278627962806281628262836284628562866287628862896290629162926293629462956296629762986299630063016302630363046305630663076308630963106311631263136314631563166317631863196320632163226323632463256326632763286329633063316332633363346335633663376338633963406341634263436344634563466347634863496350635163526353635463556356635763586359636063616362636363646365636663676368636963706371637263736374637563766377637863796380638163826383638463856386638763886389639063916392639363946395639663976398639964006401640264036404640564066407640864096410641164126413641464156416641764186419642064216422642364246425642664276428642964306431643264336434643564366437643864396440644164426443644464456446644764486449645064516452645364546455645664576458645964606461646264636464646564666467646864696470647164726473647464756476647764786479648064816482648364846485648664876488648964906491649264936494649564966497649864996500650165026503650465056506650765086509651065116512651365146515651665176518651965206521652265236524652565266527652865296530653165326533653465356536653765386539654065416542654365446545654665476548654965506551655265536554655565566557655865596560656165626563656465656566656765686569657065716572657365746575657665776578657965806581658265836584658565866587658865896590659165926593659465956596659765986599660066016602660366046605660666076608660966106611661266136614661566166617661866196620662166226623662466256626662766286629663066316632663366346635663666376638663966406641664266436644664566466647664866496650665166526653665466556656665766586659666066616662666366646665666666676668666966706671667266736674667566766677667866796680668166826683668466856686668766886689669066916692669366946695669666976698669967006701670267036704670567066707670867096710671167126713671467156716671767186719672067216722672367246725672667276728672967306731673267336734673567366737673867396740674167426743674467456746674767486749675067516752675367546755675667576758675967606761676267636764676567666767676867696770677167726773677467756776677767786779678067816782678367846785678667876788678967906791679267936794679567966797679867996800680168026803680468056806680768086809681068116812681368146815681668176818681968206821682268236824682568266827682868296830683168326833683468356836683768386839684068416842684368446845684668476848684968506851685268536854685568566857685868596860686168626863686468656866686768686869687068716872687368746875687668776878687968806881688268836884688568866887688868896890689168926893689468956896689768986899690069016902690369046905690669076908690969106911691269136914691569166917691869196920692169226923692469256926692769286929693069316932693369346935693669376938693969406941694269436944694569466947694869496950695169526953695469556956695769586959696069616962696369646965696669676968696969706971697269736974697569766977697869796980698169826983698469856986698769886989699069916992699369946995699669976998699970007001700270037004700570067007700870097010701170127013701470157016701770187019702070217022702370247025702670277028702970307031703270337034703570367037703870397040704170427043704470457046704770487049705070517052705370547055705670577058705970607061706270637064706570667067706870697070707170727073707470757076707770787079708070817082708370847085708670877088708970907091709270937094709570967097709870997100710171027103710471057106710771087109711071117112711371147115711671177118711971207121712271237124712571267127712871297130713171327133713471357136713771387139714071417142714371447145714671477148714971507151715271537154715571567157715871597160716171627163716471657166716771687169717071717172717371747175717671777178717971807181718271837184718571867187718871897190719171927193719471957196719771987199720072017202720372047205720672077208720972107211721272137214721572167217721872197220722172227223722472257226722772287229723072317232723372347235723672377238723972407241724272437244724572467247724872497250725172527253725472557256725772587259726072617262726372647265726672677268726972707271727272737274727572767277727872797280728172827283728472857286728772887289729072917292729372947295729672977298729973007301730273037304730573067307730873097310731173127313731473157316731773187319732073217322732373247325732673277328732973307331733273337334733573367337733873397340734173427343734473457346734773487349735073517352735373547355735673577358735973607361736273637364736573667367736873697370737173727373737473757376737773787379738073817382738373847385738673877388738973907391739273937394739573967397739873997400740174027403740474057406740774087409741074117412741374147415741674177418741974207421742274237424742574267427742874297430743174327433743474357436743774387439744074417442744374447445744674477448744974507451745274537454745574567457745874597460746174627463746474657466746774687469747074717472747374747475747674777478747974807481748274837484748574867487748874897490749174927493749474957496749774987499750075017502750375047505750675077508750975107511751275137514751575167517751875197520752175227523752475257526752775287529753075317532753375347535753675377538753975407541754275437544754575467547754875497550755175527553755475557556755775587559756075617562756375647565756675677568756975707571757275737574757575767577757875797580758175827583758475857586758775887589759075917592759375947595759675977598759976007601760276037604760576067607760876097610761176127613761476157616761776187619762076217622762376247625762676277628762976307631763276337634763576367637763876397640764176427643764476457646764776487649765076517652765376547655765676577658765976607661766276637664766576667667766876697670767176727673767476757676767776787679768076817682768376847685768676877688768976907691769276937694769576967697769876997700770177027703770477057706770777087709771077117712771377147715771677177718771977207721772277237724772577267727772877297730773177327733773477357736773777387739774077417742774377447745774677477748774977507751775277537754775577567757775877597760776177627763776477657766776777687769777077717772777377747775777677777778777977807781778277837784778577867787778877897790779177927793779477957796779777987799780078017802780378047805780678077808780978107811781278137814781578167817781878197820782178227823782478257826782778287829783078317832783378347835783678377838783978407841784278437844784578467847784878497850785178527853785478557856785778587859786078617862786378647865786678677868786978707871787278737874787578767877787878797880788178827883788478857886788778887889789078917892789378947895789678977898789979007901790279037904790579067907790879097910791179127913791479157916791779187919792079217922792379247925792679277928792979307931793279337934793579367937793879397940794179427943794479457946794779487949795079517952795379547955795679577958795979607961796279637964796579667967796879697970797179727973797479757976797779787979798079817982798379847985798679877988798979907991799279937994799579967997799879998000800180028003800480058006800780088009801080118012801380148015801680178018801980208021802280238024802580268027802880298030803180328033803480358036803780388039804080418042804380448045804680478048804980508051805280538054805580568057805880598060806180628063806480658066806780688069807080718072807380748075807680778078807980808081808280838084808580868087808880898090809180928093809480958096809780988099810081018102810381048105810681078108810981108111811281138114811581168117811881198120812181228123812481258126812781288129813081318132813381348135813681378138813981408141814281438144814581468147814881498150815181528153815481558156815781588159816081618162816381648165816681678168816981708171817281738174817581768177817881798180818181828183818481858186818781888189819081918192819381948195819681978198819982008201820282038204820582068207820882098210821182128213821482158216821782188219822082218222822382248225822682278228822982308231823282338234823582368237823882398240824182428243824482458246824782488249825082518252825382548255825682578258825982608261826282638264826582668267826882698270827182728273827482758276827782788279828082818282828382848285828682878288828982908291829282938294829582968297829882998300830183028303830483058306830783088309831083118312831383148315831683178318831983208321832283238324832583268327832883298330833183328333833483358336833783388339834083418342834383448345834683478348834983508351835283538354835583568357835883598360836183628363836483658366836783688369837083718372837383748375837683778378837983808381838283838384838583868387838883898390839183928393839483958396839783988399840084018402840384048405840684078408840984108411841284138414841584168417841884198420842184228423842484258426842784288429843084318432843384348435843684378438843984408441844284438444844584468447844884498450845184528453845484558456845784588459846084618462846384648465846684678468846984708471847284738474847584768477847884798480848184828483848484858486848784888489849084918492849384948495849684978498849985008501850285038504850585068507850885098510851185128513851485158516851785188519852085218522852385248525852685278528852985308531853285338534853585368537853885398540854185428543854485458546854785488549855085518552855385548555855685578558855985608561856285638564856585668567856885698570857185728573857485758576857785788579858085818582858385848585858685878588858985908591859285938594859585968597859885998600860186028603860486058606860786088609861086118612861386148615861686178618861986208621862286238624862586268627862886298630863186328633863486358636863786388639864086418642864386448645864686478648864986508651865286538654865586568657865886598660866186628663866486658666866786688669867086718672867386748675867686778678867986808681868286838684868586868687868886898690869186928693869486958696869786988699870087018702870387048705870687078708870987108711871287138714871587168717871887198720872187228723872487258726872787288729873087318732873387348735873687378738873987408741874287438744874587468747874887498750875187528753875487558756875787588759876087618762876387648765876687678768876987708771877287738774877587768777877887798780878187828783878487858786878787888789879087918792879387948795879687978798879988008801880288038804880588068807880888098810881188128813881488158816881788188819882088218822882388248825882688278828882988308831883288338834883588368837883888398840884188428843884488458846884788488849885088518852885388548855885688578858885988608861886288638864886588668867886888698870887188728873887488758876887788788879888088818882888388848885888688878888888988908891889288938894889588968897889888998900890189028903890489058906890789088909891089118912891389148915891689178918891989208921892289238924892589268927892889298930893189328933893489358936893789388939894089418942894389448945894689478948894989508951895289538954895589568957895889598960896189628963896489658966896789688969897089718972897389748975897689778978897989808981898289838984898589868987898889898990899189928993899489958996899789988999900090019002900390049005900690079008900990109011901290139014901590169017901890199020902190229023902490259026902790289029903090319032903390349035903690379038903990409041904290439044904590469047904890499050905190529053905490559056905790589059906090619062906390649065906690679068906990709071907290739074907590769077907890799080908190829083908490859086908790889089909090919092909390949095909690979098909991009101910291039104910591069107910891099110911191129113911491159116911791189119912091219122912391249125912691279128912991309131913291339134913591369137913891399140914191429143914491459146914791489149915091519152915391549155915691579158915991609161916291639164916591669167916891699170917191729173917491759176917791789179918091819182918391849185918691879188918991909191919291939194919591969197919891999200920192029203920492059206920792089209921092119212921392149215921692179218921992209221922292239224922592269227922892299230923192329233923492359236923792389239924092419242924392449245924692479248924992509251925292539254925592569257925892599260926192629263926492659266926792689269927092719272927392749275927692779278927992809281928292839284928592869287928892899290929192929293929492959296929792989299930093019302930393049305930693079308930993109311931293139314931593169317931893199320932193229323932493259326932793289329933093319332933393349335933693379338933993409341934293439344934593469347934893499350935193529353935493559356935793589359936093619362936393649365936693679368936993709371937293739374937593769377937893799380938193829383938493859386938793889389939093919392939393949395939693979398939994009401940294039404940594069407940894099410941194129413941494159416941794189419942094219422942394249425942694279428942994309431943294339434943594369437943894399440944194429443944494459446944794489449945094519452945394549455945694579458945994609461946294639464946594669467946894699470947194729473947494759476947794789479948094819482948394849485948694879488948994909491949294939494949594969497949894999500950195029503950495059506950795089509951095119512951395149515951695179518951995209521952295239524952595269527952895299530953195329533953495359536953795389539954095419542954395449545954695479548954995509551955295539554955595569557955895599560956195629563956495659566956795689569957095719572957395749575957695779578957995809581958295839584958595869587958895899590959195929593959495959596959795989599960096019602960396049605960696079608960996109611961296139614961596169617961896199620962196229623962496259626962796289629963096319632963396349635963696379638963996409641964296439644964596469647964896499650965196529653965496559656965796589659966096619662966396649665966696679668966996709671967296739674967596769677967896799680968196829683968496859686968796889689969096919692969396949695969696979698969997009701970297039704970597069707970897099710971197129713971497159716971797189719972097219722972397249725972697279728972997309731973297339734973597369737973897399740974197429743974497459746974797489749975097519752975397549755975697579758975997609761976297639764976597669767976897699770977197729773977497759776977797789779978097819782978397849785978697879788978997909791979297939794979597969797979897999800980198029803980498059806980798089809981098119812981398149815981698179818981998209821982298239824982598269827982898299830983198329833983498359836983798389839984098419842984398449845984698479848984998509851985298539854985598569857985898599860986198629863986498659866986798689869987098719872987398749875987698779878987998809881988298839884988598869887988898899890989198929893989498959896989798989899990099019902990399049905990699079908990999109911991299139914991599169917991899199920992199229923992499259926992799289929993099319932993399349935993699379938993999409941994299439944994599469947994899499950995199529953995499559956995799589959996099619962996399649965996699679968996999709971997299739974997599769977997899799980998199829983998499859986998799889989999099919992999399949995999699979998999910000100011000210003100041000510006100071000810009100101001110012100131001410015100161001710018100191002010021100221002310024100251002610027100281002910030100311003210033100341003510036100371003810039100401004110042100431004410045100461004710048100491005010051100521005310054100551005610057100581005910060100611006210063100641006510066100671006810069100701007110072100731007410075100761007710078100791008010081100821008310084100851008610087100881008910090100911009210093100941009510096100971009810099101001010110102101031010410105101061010710108101091011010111101121011310114101151011610117101181011910120101211012210123101241012510126101271012810129101301013110132101331013410135101361013710138101391014010141101421014310144101451014610147101481014910150101511015210153101541015510156101571015810159101601016110162101631016410165101661016710168101691017010171101721017310174101751017610177101781017910180101811018210183101841018510186101871018810189101901019110192101931019410195101961019710198101991020010201102021020310204102051020610207102081020910210102111021210213102141021510216102171021810219102201022110222102231022410225102261022710228102291023010231102321023310234102351023610237102381023910240102411024210243102441024510246102471024810249102501025110252102531025410255102561025710258102591026010261102621026310264102651026610267102681026910270102711027210273102741027510276102771027810279102801028110282102831028410285102861028710288102891029010291102921029310294102951029610297102981029910300103011030210303103041030510306103071030810309103101031110312103131031410315103161031710318103191032010321103221032310324103251032610327103281032910330103311033210333103341033510336103371033810339103401034110342103431034410345103461034710348103491035010351103521035310354103551035610357103581035910360103611036210363103641036510366103671036810369103701037110372103731037410375103761037710378103791038010381103821038310384103851038610387103881038910390103911039210393103941039510396103971039810399104001040110402104031040410405104061040710408104091041010411104121041310414104151041610417104181041910420104211042210423104241042510426104271042810429104301043110432104331043410435104361043710438104391044010441104421044310444104451044610447104481044910450104511045210453104541045510456104571045810459104601046110462104631046410465104661046710468104691047010471104721047310474104751047610477104781047910480104811048210483104841048510486104871048810489104901049110492104931049410495104961049710498104991050010501105021050310504105051050610507105081050910510105111051210513105141051510516105171051810519105201052110522105231052410525105261052710528105291053010531105321053310534105351053610537105381053910540105411054210543105441054510546105471054810549105501055110552105531055410555105561055710558105591056010561105621056310564105651056610567105681056910570105711057210573105741057510576105771057810579105801058110582105831058410585105861058710588105891059010591105921059310594105951059610597105981059910600106011060210603106041060510606106071060810609106101061110612106131061410615106161061710618106191062010621106221062310624106251062610627106281062910630106311063210633106341063510636106371063810639106401064110642106431064410645106461064710648106491065010651106521065310654106551065610657106581065910660106611066210663106641066510666106671066810669106701067110672106731067410675106761067710678106791068010681106821068310684106851068610687106881068910690106911069210693106941069510696106971069810699107001070110702107031070410705107061070710708107091071010711107121071310714107151071610717107181071910720107211072210723107241072510726107271072810729107301073110732107331073410735107361073710738107391074010741107421074310744107451074610747107481074910750107511075210753107541075510756107571075810759107601076110762107631076410765107661076710768107691077010771107721077310774107751077610777107781077910780107811078210783107841078510786107871078810789107901079110792107931079410795107961079710798107991080010801108021080310804108051080610807108081080910810108111081210813108141081510816108171081810819108201082110822108231082410825108261082710828108291083010831108321083310834108351083610837108381083910840108411084210843108441084510846108471084810849108501085110852108531085410855108561085710858108591086010861108621086310864108651086610867108681086910870108711087210873108741087510876108771087810879108801088110882108831088410885108861088710888108891089010891108921089310894108951089610897108981089910900109011090210903109041090510906109071090810909109101091110912109131091410915109161091710918109191092010921109221092310924109251092610927109281092910930109311093210933109341093510936109371093810939109401094110942109431094410945109461094710948109491095010951109521095310954109551095610957109581095910960109611096210963109641096510966109671096810969109701097110972109731097410975109761097710978109791098010981109821098310984109851098610987109881098910990109911099210993109941099510996109971099810999110001100111002110031100411005110061100711008110091101011011110121101311014110151101611017110181101911020110211102211023110241102511026110271102811029110301103111032110331103411035110361103711038110391104011041110421104311044110451104611047110481104911050110511105211053110541105511056110571105811059110601106111062110631106411065110661106711068110691107011071110721107311074110751107611077110781107911080110811108211083110841108511086110871108811089110901109111092110931109411095110961109711098110991110011101111021110311104111051110611107111081110911110111111111211113111141111511116111171111811119111201112111122111231112411125111261112711128111291113011131111321113311134111351113611137111381113911140111411114211143111441114511146111471114811149111501115111152111531115411155111561115711158111591116011161111621116311164111651116611167111681116911170111711117211173111741117511176111771117811179111801118111182111831118411185111861118711188111891119011191111921119311194111951119611197111981119911200112011120211203112041120511206112071120811209112101121111212112131121411215112161121711218112191122011221112221122311224112251122611227112281122911230112311123211233112341123511236112371123811239112401124111242112431124411245112461124711248112491125011251112521125311254112551125611257112581125911260112611126211263112641126511266112671126811269112701127111272112731127411275112761127711278112791128011281112821128311284112851128611287112881128911290112911129211293112941129511296112971129811299113001130111302113031130411305113061130711308113091131011311113121131311314113151131611317113181131911320113211132211323113241132511326113271132811329113301133111332113331133411335113361133711338113391134011341113421134311344113451134611347113481134911350113511135211353113541135511356113571135811359113601136111362113631136411365113661136711368113691137011371113721137311374113751137611377113781137911380113811138211383113841138511386113871138811389113901139111392113931139411395113961139711398113991140011401114021140311404114051140611407114081140911410114111141211413114141141511416114171141811419114201142111422114231142411425114261142711428114291143011431114321143311434114351143611437114381143911440114411144211443114441144511446114471144811449114501145111452114531145411455114561145711458114591146011461114621146311464114651146611467114681146911470114711147211473114741147511476114771147811479114801148111482114831148411485114861148711488114891149011491114921149311494114951149611497114981149911500115011150211503115041150511506115071150811509115101151111512115131151411515115161151711518115191152011521115221152311524115251152611527115281152911530115311153211533115341153511536115371153811539115401154111542115431154411545115461154711548115491155011551115521155311554115551155611557115581155911560115611156211563115641156511566115671156811569115701157111572115731157411575115761157711578115791158011581115821158311584115851158611587115881158911590115911159211593115941159511596115971159811599116001160111602116031160411605116061160711608116091161011611116121161311614116151161611617116181161911620116211162211623116241162511626116271162811629116301163111632116331163411635116361163711638116391164011641116421164311644116451164611647116481164911650116511165211653116541165511656116571165811659116601166111662116631166411665116661166711668116691167011671116721167311674116751167611677116781167911680116811168211683116841168511686116871168811689116901169111692116931169411695116961169711698116991170011701117021170311704117051170611707117081170911710117111171211713117141171511716117171171811719117201172111722117231172411725117261172711728117291173011731117321173311734117351173611737117381173911740117411174211743117441174511746117471174811749117501175111752117531175411755117561175711758117591176011761117621176311764117651176611767117681176911770117711177211773117741177511776117771177811779117801178111782117831178411785117861178711788117891179011791117921179311794117951179611797117981179911800118011180211803118041180511806118071180811809118101181111812118131181411815118161181711818118191182011821118221182311824118251182611827118281182911830118311183211833118341183511836118371183811839118401184111842118431184411845118461184711848118491185011851118521185311854118551185611857118581185911860118611186211863118641186511866118671186811869118701187111872118731187411875118761187711878118791188011881118821188311884118851188611887118881188911890118911189211893118941189511896118971189811899119001190111902119031190411905119061190711908119091191011911119121191311914119151191611917119181191911920119211192211923119241192511926119271192811929119301193111932119331193411935119361193711938119391194011941119421194311944119451194611947119481194911950119511195211953119541195511956119571195811959119601196111962119631196411965119661196711968119691197011971119721197311974119751197611977119781197911980119811198211983119841198511986119871198811989119901199111992119931199411995119961199711998119991200012001120021200312004120051200612007120081200912010120111201212013120141201512016120171201812019120201202112022120231202412025120261202712028120291203012031120321203312034120351203612037120381203912040120411204212043120441204512046120471204812049120501205112052120531205412055120561205712058120591206012061120621206312064120651206612067120681206912070120711207212073120741207512076120771207812079120801208112082120831208412085120861208712088120891209012091120921209312094120951209612097120981209912100121011210212103121041210512106121071210812109121101211112112121131211412115121161211712118121191212012121121221212312124121251212612127121281212912130121311213212133121341213512136121371213812139121401214112142121431214412145121461214712148121491215012151121521215312154121551215612157121581215912160121611216212163121641216512166121671216812169121701217112172121731217412175121761217712178121791218012181121821218312184121851218612187121881218912190121911219212193121941219512196121971219812199122001220112202122031220412205122061220712208122091221012211122121221312214122151221612217122181221912220122211222212223122241222512226122271222812229122301223112232122331223412235122361223712238122391224012241122421224312244122451224612247122481224912250122511225212253122541225512256122571225812259122601226112262122631226412265122661226712268122691227012271122721227312274122751227612277122781227912280122811228212283122841228512286122871228812289122901229112292122931229412295122961229712298122991230012301123021230312304123051230612307123081230912310123111231212313123141231512316123171231812319123201232112322123231232412325123261232712328123291233012331123321233312334123351233612337123381233912340123411234212343123441234512346123471234812349123501235112352123531235412355123561235712358123591236012361123621236312364123651236612367123681236912370123711237212373123741237512376123771237812379123801238112382123831238412385123861238712388123891239012391123921239312394123951239612397123981239912400124011240212403124041240512406124071240812409124101241112412124131241412415124161241712418124191242012421124221242312424124251242612427124281242912430124311243212433124341243512436124371243812439124401244112442124431244412445124461244712448124491245012451124521245312454124551245612457124581245912460124611246212463124641246512466124671246812469124701247112472 |
- /* Copyright 2008-2011 Broadcom Corporation
- *
- * Unless you and Broadcom execute a separate written software license
- * agreement governing use of this software, this software is licensed to you
- * under the terms of the GNU General Public License version 2, available
- * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
- *
- * Notwithstanding the above, under no circumstances may you combine this
- * software in any way with any other Broadcom software provided under a
- * license other than the GPL, without Broadcom's express prior written
- * consent.
- *
- * Written by Yaniv Rosner
- *
- */
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/kernel.h>
- #include <linux/errno.h>
- #include <linux/pci.h>
- #include <linux/netdevice.h>
- #include <linux/delay.h>
- #include <linux/ethtool.h>
- #include <linux/mutex.h>
- #include "bnx2x.h"
- #include "bnx2x_cmn.h"
- /********************************************************/
- #define ETH_HLEN 14
- /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
- #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
- #define ETH_MIN_PACKET_SIZE 60
- #define ETH_MAX_PACKET_SIZE 1500
- #define ETH_MAX_JUMBO_PACKET_SIZE 9600
- #define MDIO_ACCESS_TIMEOUT 1000
- #define BMAC_CONTROL_RX_ENABLE 2
- #define WC_LANE_MAX 4
- #define I2C_SWITCH_WIDTH 2
- #define I2C_BSC0 0
- #define I2C_BSC1 1
- #define I2C_WA_RETRY_CNT 3
- #define MCPR_IMC_COMMAND_READ_OP 1
- #define MCPR_IMC_COMMAND_WRITE_OP 2
- /***********************************************************/
- /* Shortcut definitions */
- /***********************************************************/
- #define NIG_LATCH_BC_ENABLE_MI_INT 0
- #define NIG_STATUS_EMAC0_MI_INT \
- NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
- #define NIG_STATUS_XGXS0_LINK10G \
- NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
- #define NIG_STATUS_XGXS0_LINK_STATUS \
- NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
- #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
- NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
- #define NIG_STATUS_SERDES0_LINK_STATUS \
- NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
- #define NIG_MASK_MI_INT \
- NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
- #define NIG_MASK_XGXS0_LINK10G \
- NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
- #define NIG_MASK_XGXS0_LINK_STATUS \
- NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
- #define NIG_MASK_SERDES0_LINK_STATUS \
- NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
- #define MDIO_AN_CL73_OR_37_COMPLETE \
- (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
- MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
- #define XGXS_RESET_BITS \
- (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
- #define SERDES_RESET_BITS \
- (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
- MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
- #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
- #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
- #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
- #define AUTONEG_PARALLEL \
- SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
- #define AUTONEG_SGMII_FIBER_AUTODET \
- SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
- #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
- #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
- MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
- #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
- MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
- #define GP_STATUS_SPEED_MASK \
- MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
- #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
- #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
- #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
- #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
- #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
- #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
- #define GP_STATUS_10G_HIG \
- MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
- #define GP_STATUS_10G_CX4 \
- MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
- #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
- #define GP_STATUS_10G_KX4 \
- MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
- #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
- #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
- #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
- #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
- #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
- #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
- #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
- #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
- #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
- #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
- #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
- #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
- #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
- #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
- #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
- #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
- #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
- #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
- #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
- /* */
- #define SFP_EEPROM_CON_TYPE_ADDR 0x2
- #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
- #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
- #define SFP_EEPROM_COMP_CODE_ADDR 0x3
- #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
- #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
- #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
- #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
- #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
- #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
- #define SFP_EEPROM_OPTIONS_ADDR 0x40
- #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
- #define SFP_EEPROM_OPTIONS_SIZE 2
- #define EDC_MODE_LINEAR 0x0022
- #define EDC_MODE_LIMITING 0x0044
- #define EDC_MODE_PASSIVE_DAC 0x0055
- /* BRB thresholds for E2*/
- #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
- #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
- #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
- #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
- #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
- #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
- #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
- #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
- /* BRB thresholds for E3A0 */
- #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
- #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
- #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
- #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
- #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
- #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
- #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
- #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
- /* BRB thresholds for E3B0 2 port mode*/
- #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
- #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
- #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
- #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
- #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
- #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
- #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
- #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
- /* only for E3B0*/
- #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
- #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
- /* Lossy +Lossless GUARANTIED == GUART */
- #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
- /* Lossless +Lossless*/
- #define PFC_E3B0_2P_PAUSE_LB_GUART 236
- /* Lossy +Lossy*/
- #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
- /* Lossy +Lossless*/
- #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
- /* Lossless +Lossless*/
- #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
- /* Lossy +Lossy*/
- #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
- #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
- #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
- #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
- /* BRB thresholds for E3B0 4 port mode */
- #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
- #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
- #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
- #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
- #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
- #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
- #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
- #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
- /* only for E3B0*/
- #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
- #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
- #define PFC_E3B0_4P_LB_GUART 120
- #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
- #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
- #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
- #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
- #define DCBX_INVALID_COS (0xFF)
- #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
- #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
- #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
- #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
- #define ETS_E3B0_PBF_MIN_W_VAL (10000)
- #define MAX_PACKET_SIZE (9700)
- #define WC_UC_TIMEOUT 100
- /**********************************************************/
- /* INTERFACE */
- /**********************************************************/
- #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
- bnx2x_cl45_write(_bp, _phy, \
- (_phy)->def_md_devad, \
- (_bank + (_addr & 0xf)), \
- _val)
- #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
- bnx2x_cl45_read(_bp, _phy, \
- (_phy)->def_md_devad, \
- (_bank + (_addr & 0xf)), \
- _val)
- static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
- {
- u32 val = REG_RD(bp, reg);
- val |= bits;
- REG_WR(bp, reg, val);
- return val;
- }
- static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
- {
- u32 val = REG_RD(bp, reg);
- val &= ~bits;
- REG_WR(bp, reg, val);
- return val;
- }
- /******************************************************************/
- /* EPIO/GPIO section */
- /******************************************************************/
- static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
- {
- u32 epio_mask, gp_oenable;
- *en = 0;
- /* Sanity check */
- if (epio_pin > 31) {
- DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
- return;
- }
- epio_mask = 1 << epio_pin;
- /* Set this EPIO to output */
- gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
- REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
- *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
- }
- static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
- {
- u32 epio_mask, gp_output, gp_oenable;
- /* Sanity check */
- if (epio_pin > 31) {
- DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
- return;
- }
- DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
- epio_mask = 1 << epio_pin;
- /* Set this EPIO to output */
- gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
- if (en)
- gp_output |= epio_mask;
- else
- gp_output &= ~epio_mask;
- REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
- /* Set the value for this EPIO */
- gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
- REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
- }
- static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
- {
- if (pin_cfg == PIN_CFG_NA)
- return;
- if (pin_cfg >= PIN_CFG_EPIO0) {
- bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
- } else {
- u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
- u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
- bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
- }
- }
- static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
- {
- if (pin_cfg == PIN_CFG_NA)
- return -EINVAL;
- if (pin_cfg >= PIN_CFG_EPIO0) {
- bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
- } else {
- u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
- u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
- *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
- }
- return 0;
- }
- /******************************************************************/
- /* ETS section */
- /******************************************************************/
- static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
- {
- /* ETS disabled configuration*/
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
- /*
- * mapping between entry priority to client number (0,1,2 -debug and
- * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
- * 3bits client num.
- * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
- * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
- /*
- * Bitmap of 5bits length. Each bit specifies whether the entry behaves
- * as strict. Bits 0,1,2 - debug and management entries, 3 -
- * COS0 entry, 4 - COS1 entry.
- * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
- * bit4 bit3 bit2 bit1 bit0
- * MCP and debug are strict
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
- /* defines which entries (clients) are subjected to WFQ arbitration */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
- /*
- * For strict priority entries defines the number of consecutive
- * slots for the highest priority.
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
- /*
- * mapping between the CREDIT_WEIGHT registers and actual client
- * numbers
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
- REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
- /* ETS mode disable */
- REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
- /*
- * If ETS mode is enabled (there is no strict priority) defines a WFQ
- * weight for COS0/COS1.
- */
- REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
- REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
- /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
- REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
- REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
- /* Defines the number of consecutive slots for the strict priority */
- REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
- }
- /******************************************************************************
- * Description:
- * Getting min_w_val will be set according to line speed .
- *.
- ******************************************************************************/
- static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
- {
- u32 min_w_val = 0;
- /* Calculate min_w_val.*/
- if (vars->link_up) {
- if (SPEED_20000 == vars->line_speed)
- min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
- else
- min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
- } else
- min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
- /**
- * If the link isn't up (static configuration for example ) The
- * link will be according to 20GBPS.
- */
- return min_w_val;
- }
- /******************************************************************************
- * Description:
- * Getting credit upper bound form min_w_val.
- *.
- ******************************************************************************/
- static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
- {
- const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
- MAX_PACKET_SIZE);
- return credit_upper_bound;
- }
- /******************************************************************************
- * Description:
- * Set credit upper bound for NIG.
- *.
- ******************************************************************************/
- static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
- const struct link_params *params,
- const u32 min_w_val)
- {
- struct bnx2x *bp = params->bp;
- const u8 port = params->port;
- const u32 credit_upper_bound =
- bnx2x_ets_get_credit_upper_bound(min_w_val);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
- NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
- if (0 == port) {
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
- credit_upper_bound);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
- credit_upper_bound);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
- credit_upper_bound);
- }
- }
- /******************************************************************************
- * Description:
- * Will return the NIG ETS registers to init values.Except
- * credit_upper_bound.
- * That isn't used in this configuration (No WFQ is enabled) and will be
- * configured acording to spec
- *.
- ******************************************************************************/
- static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
- const struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- const u8 port = params->port;
- const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
- /**
- * mapping between entry priority to client number (0,1,2 -debug and
- * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
- * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
- * reset value or init tool
- */
- if (port) {
- REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
- REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
- } else {
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
- }
- /**
- * For strict priority entries defines the number of consecutive
- * slots for the highest priority.
- */
- /* TODO_ETS - Should be done by reset value or init tool */
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
- NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
- /**
- * mapping between the CREDIT_WEIGHT registers and actual client
- * numbers
- */
- /* TODO_ETS - Should be done by reset value or init tool */
- if (port) {
- /*Port 1 has 6 COS*/
- REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
- REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
- } else {
- /*Port 0 has 9 COS*/
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
- 0x43210876);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
- }
- /**
- * Bitmap of 5bits length. Each bit specifies whether the entry behaves
- * as strict. Bits 0,1,2 - debug and management entries, 3 -
- * COS0 entry, 4 - COS1 entry.
- * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
- * bit4 bit3 bit2 bit1 bit0
- * MCP and debug are strict
- */
- if (port)
- REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
- else
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
- /* defines which entries (clients) are subjected to WFQ arbitration */
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
- NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
- /**
- * Please notice the register address are note continuous and a
- * for here is note appropriate.In 2 port mode port0 only COS0-5
- * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
- * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
- * are never used for WFQ
- */
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
- if (0 == port) {
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
- }
- bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
- }
- /******************************************************************************
- * Description:
- * Set credit upper bound for PBF.
- *.
- ******************************************************************************/
- static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
- const struct link_params *params,
- const u32 min_w_val)
- {
- struct bnx2x *bp = params->bp;
- const u32 credit_upper_bound =
- bnx2x_ets_get_credit_upper_bound(min_w_val);
- const u8 port = params->port;
- u32 base_upper_bound = 0;
- u8 max_cos = 0;
- u8 i = 0;
- /**
- * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
- * port mode port1 has COS0-2 that can be used for WFQ.
- */
- if (0 == port) {
- base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
- max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
- } else {
- base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
- max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
- }
- for (i = 0; i < max_cos; i++)
- REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
- }
- /******************************************************************************
- * Description:
- * Will return the PBF ETS registers to init values.Except
- * credit_upper_bound.
- * That isn't used in this configuration (No WFQ is enabled) and will be
- * configured acording to spec
- *.
- ******************************************************************************/
- static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- const u8 port = params->port;
- const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
- u8 i = 0;
- u32 base_weight = 0;
- u8 max_cos = 0;
- /**
- * mapping between entry priority to client number 0 - COS0
- * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
- * TODO_ETS - Should be done by reset value or init tool
- */
- if (port)
- /* 0x688 (|011|0 10|00 1|000) */
- REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
- else
- /* (10 1|100 |011|0 10|00 1|000) */
- REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
- /* TODO_ETS - Should be done by reset value or init tool */
- if (port)
- /* 0x688 (|011|0 10|00 1|000)*/
- REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
- else
- /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
- REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
- REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
- PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
- REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
- PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
- REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
- PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
- /**
- * In 2 port mode port0 has COS0-5 that can be used for WFQ.
- * In 4 port mode port1 has COS0-2 that can be used for WFQ.
- */
- if (0 == port) {
- base_weight = PBF_REG_COS0_WEIGHT_P0;
- max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
- } else {
- base_weight = PBF_REG_COS0_WEIGHT_P1;
- max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
- }
- for (i = 0; i < max_cos; i++)
- REG_WR(bp, base_weight + (0x4 * i), 0);
- bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
- }
- /******************************************************************************
- * Description:
- * E3B0 disable will return basicly the values to init values.
- *.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
- const struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- if (!CHIP_IS_E3B0(bp)) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
- "\n");
- return -EINVAL;
- }
- bnx2x_ets_e3b0_nig_disabled(params, vars);
- bnx2x_ets_e3b0_pbf_disabled(params);
- return 0;
- }
- /******************************************************************************
- * Description:
- * Disable will return basicly the values to init values.
- *.
- ******************************************************************************/
- int bnx2x_ets_disabled(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- int bnx2x_status = 0;
- if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
- bnx2x_ets_e2e3a0_disabled(params);
- else if (CHIP_IS_E3B0(bp))
- bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
- else {
- DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
- return -EINVAL;
- }
- return bnx2x_status;
- }
- /******************************************************************************
- * Description
- * Set the COS mappimg to SP and BW until this point all the COS are not
- * set as SP or BW.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
- const struct bnx2x_ets_params *ets_params,
- const u8 cos_sp_bitmap,
- const u8 cos_bw_bitmap)
- {
- struct bnx2x *bp = params->bp;
- const u8 port = params->port;
- const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
- const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
- const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
- const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
- NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
- REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
- PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
- REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
- NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
- nig_cli_subject2wfq_bitmap);
- REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
- PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
- pbf_cli_subject2wfq_bitmap);
- return 0;
- }
- /******************************************************************************
- * Description:
- * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
- * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
- const u8 cos_entry,
- const u32 min_w_val_nig,
- const u32 min_w_val_pbf,
- const u16 total_bw,
- const u8 bw,
- const u8 port)
- {
- u32 nig_reg_adress_crd_weight = 0;
- u32 pbf_reg_adress_crd_weight = 0;
- /* Calculate and set BW for this COS*/
- const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
- const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
- switch (cos_entry) {
- case 0:
- nig_reg_adress_crd_weight =
- (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
- pbf_reg_adress_crd_weight = (port) ?
- PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
- break;
- case 1:
- nig_reg_adress_crd_weight = (port) ?
- NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
- pbf_reg_adress_crd_weight = (port) ?
- PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
- break;
- case 2:
- nig_reg_adress_crd_weight = (port) ?
- NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
- pbf_reg_adress_crd_weight = (port) ?
- PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
- break;
- case 3:
- if (port)
- return -EINVAL;
- nig_reg_adress_crd_weight =
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
- pbf_reg_adress_crd_weight =
- PBF_REG_COS3_WEIGHT_P0;
- break;
- case 4:
- if (port)
- return -EINVAL;
- nig_reg_adress_crd_weight =
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
- pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
- break;
- case 5:
- if (port)
- return -EINVAL;
- nig_reg_adress_crd_weight =
- NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
- pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
- break;
- }
- REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
- REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
- return 0;
- }
- /******************************************************************************
- * Description:
- * Calculate the total BW.A value of 0 isn't legal.
- *.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_get_total_bw(
- const struct link_params *params,
- const struct bnx2x_ets_params *ets_params,
- u16 *total_bw)
- {
- struct bnx2x *bp = params->bp;
- u8 cos_idx = 0;
- *total_bw = 0 ;
- /* Calculate total BW requested */
- for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
- if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
- if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
- "was set to 0\n");
- return -EINVAL;
- }
- *total_bw +=
- ets_params->cos[cos_idx].params.bw_params.bw;
- }
- }
- /*Check taotl BW is valid */
- if ((100 != *total_bw) || (0 == *total_bw)) {
- if (0 == *total_bw) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
- "shouldn't be 0\n");
- return -EINVAL;
- }
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
- "100\n");
- /**
- * We can handle a case whre the BW isn't 100 this can happen
- * if the TC are joined.
- */
- }
- return 0;
- }
- /******************************************************************************
- * Description:
- * Invalidate all the sp_pri_to_cos.
- *.
- ******************************************************************************/
- static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
- {
- u8 pri = 0;
- for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
- sp_pri_to_cos[pri] = DCBX_INVALID_COS;
- }
- /******************************************************************************
- * Description:
- * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
- * according to sp_pri_to_cos.
- *.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
- u8 *sp_pri_to_cos, const u8 pri,
- const u8 cos_entry)
- {
- struct bnx2x *bp = params->bp;
- const u8 port = params->port;
- const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
- DCBX_E3B0_MAX_NUM_COS_PORT0;
- if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
- "parameter There can't be two COS's with"
- "the same strict pri\n");
- return -EINVAL;
- }
- if (pri > max_num_of_cos) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
- "parameter Illegal strict priority\n");
- return -EINVAL;
- }
- sp_pri_to_cos[pri] = cos_entry;
- return 0;
- }
- /******************************************************************************
- * Description:
- * Returns the correct value according to COS and priority in
- * the sp_pri_cli register.
- *.
- ******************************************************************************/
- static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
- const u8 pri_set,
- const u8 pri_offset,
- const u8 entry_size)
- {
- u64 pri_cli_nig = 0;
- pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
- (pri_set + pri_offset));
- return pri_cli_nig;
- }
- /******************************************************************************
- * Description:
- * Returns the correct value according to COS and priority in the
- * sp_pri_cli register for NIG.
- *.
- ******************************************************************************/
- static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
- {
- /* MCP Dbg0 and dbg1 are always with higher strict pri*/
- const u8 nig_cos_offset = 3;
- const u8 nig_pri_offset = 3;
- return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
- nig_pri_offset, 4);
- }
- /******************************************************************************
- * Description:
- * Returns the correct value according to COS and priority in the
- * sp_pri_cli register for PBF.
- *.
- ******************************************************************************/
- static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
- {
- const u8 pbf_cos_offset = 0;
- const u8 pbf_pri_offset = 0;
- return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
- pbf_pri_offset, 3);
- }
- /******************************************************************************
- * Description:
- * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
- * according to sp_pri_to_cos.(which COS has higher priority)
- *.
- ******************************************************************************/
- static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
- u8 *sp_pri_to_cos)
- {
- struct bnx2x *bp = params->bp;
- u8 i = 0;
- const u8 port = params->port;
- /* MCP Dbg0 and dbg1 are always with higher strict pri*/
- u64 pri_cli_nig = 0x210;
- u32 pri_cli_pbf = 0x0;
- u8 pri_set = 0;
- u8 pri_bitmask = 0;
- const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
- DCBX_E3B0_MAX_NUM_COS_PORT0;
- u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
- /* Set all the strict priority first */
- for (i = 0; i < max_num_of_cos; i++) {
- if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
- if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
- DP(NETIF_MSG_LINK,
- "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
- "invalid cos entry\n");
- return -EINVAL;
- }
- pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
- sp_pri_to_cos[i], pri_set);
- pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
- sp_pri_to_cos[i], pri_set);
- pri_bitmask = 1 << sp_pri_to_cos[i];
- /* COS is used remove it from bitmap.*/
- if (0 == (pri_bitmask & cos_bit_to_set)) {
- DP(NETIF_MSG_LINK,
- "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
- "invalid There can't be two COS's with"
- " the same strict pri\n");
- return -EINVAL;
- }
- cos_bit_to_set &= ~pri_bitmask;
- pri_set++;
- }
- }
- /* Set all the Non strict priority i= COS*/
- for (i = 0; i < max_num_of_cos; i++) {
- pri_bitmask = 1 << i;
- /* Check if COS was already used for SP */
- if (pri_bitmask & cos_bit_to_set) {
- /* COS wasn't used for SP */
- pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
- i, pri_set);
- pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
- i, pri_set);
- /* COS is used remove it from bitmap.*/
- cos_bit_to_set &= ~pri_bitmask;
- pri_set++;
- }
- }
- if (pri_set != max_num_of_cos) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
- "entries were set\n");
- return -EINVAL;
- }
- if (port) {
- /* Only 6 usable clients*/
- REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
- (u32)pri_cli_nig);
- REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
- } else {
- /* Only 9 usable clients*/
- const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
- const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
- pri_cli_nig_lsb);
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
- pri_cli_nig_msb);
- REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
- }
- return 0;
- }
- /******************************************************************************
- * Description:
- * Configure the COS to ETS according to BW and SP settings.
- ******************************************************************************/
- int bnx2x_ets_e3b0_config(const struct link_params *params,
- const struct link_vars *vars,
- const struct bnx2x_ets_params *ets_params)
- {
- struct bnx2x *bp = params->bp;
- int bnx2x_status = 0;
- const u8 port = params->port;
- u16 total_bw = 0;
- const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
- const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
- u8 cos_bw_bitmap = 0;
- u8 cos_sp_bitmap = 0;
- u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
- const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
- DCBX_E3B0_MAX_NUM_COS_PORT0;
- u8 cos_entry = 0;
- if (!CHIP_IS_E3B0(bp)) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
- "\n");
- return -EINVAL;
- }
- if ((ets_params->num_of_cos > max_num_of_cos)) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
- "isn't supported\n");
- return -EINVAL;
- }
- /* Prepare sp strict priority parameters*/
- bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
- /* Prepare BW parameters*/
- bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
- &total_bw);
- if (0 != bnx2x_status) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
- "\n");
- return -EINVAL;
- }
- /**
- * Upper bound is set according to current link speed (min_w_val
- * should be the same for upper bound and COS credit val).
- */
- bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
- bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
- for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
- if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
- cos_bw_bitmap |= (1 << cos_entry);
- /**
- * The function also sets the BW in HW(not the mappin
- * yet)
- */
- bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
- bp, cos_entry, min_w_val_nig, min_w_val_pbf,
- total_bw,
- ets_params->cos[cos_entry].params.bw_params.bw,
- port);
- } else if (bnx2x_cos_state_strict ==
- ets_params->cos[cos_entry].state){
- cos_sp_bitmap |= (1 << cos_entry);
- bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
- params,
- sp_pri_to_cos,
- ets_params->cos[cos_entry].params.sp_params.pri,
- cos_entry);
- } else {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
- " valid\n");
- return -EINVAL;
- }
- if (0 != bnx2x_status) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
- "failed\n");
- return bnx2x_status;
- }
- }
- /* Set SP register (which COS has higher priority) */
- bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
- sp_pri_to_cos);
- if (0 != bnx2x_status) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
- "failed\n");
- return bnx2x_status;
- }
- /* Set client mapping of BW and strict */
- bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
- cos_sp_bitmap,
- cos_bw_bitmap);
- if (0 != bnx2x_status) {
- DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
- return bnx2x_status;
- }
- return 0;
- }
- static void bnx2x_ets_bw_limit_common(const struct link_params *params)
- {
- /* ETS disabled configuration */
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
- /*
- * defines which entries (clients) are subjected to WFQ arbitration
- * COS0 0x8
- * COS1 0x10
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
- /*
- * mapping between the ARB_CREDIT_WEIGHT registers and actual
- * client numbers (WEIGHT_0 does not actually have to represent
- * client 0)
- * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
- * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
- ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
- ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
- /* ETS mode enabled*/
- REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
- /* Defines the number of consecutive slots for the strict priority */
- REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
- /*
- * Bitmap of 5bits length. Each bit specifies whether the entry behaves
- * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
- * entry, 4 - COS1 entry.
- * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
- * bit4 bit3 bit2 bit1 bit0
- * MCP and debug are strict
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
- /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
- REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
- ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
- REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
- ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
- }
- void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
- const u32 cos1_bw)
- {
- /* ETS disabled configuration*/
- struct bnx2x *bp = params->bp;
- const u32 total_bw = cos0_bw + cos1_bw;
- u32 cos0_credit_weight = 0;
- u32 cos1_credit_weight = 0;
- DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
- if ((0 == total_bw) ||
- (0 == cos0_bw) ||
- (0 == cos1_bw)) {
- DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
- return;
- }
- cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
- total_bw;
- cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
- total_bw;
- bnx2x_ets_bw_limit_common(params);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
- REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
- REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
- REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
- }
- int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
- {
- /* ETS disabled configuration*/
- struct bnx2x *bp = params->bp;
- u32 val = 0;
- DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
- /*
- * Bitmap of 5bits length. Each bit specifies whether the entry behaves
- * as strict. Bits 0,1,2 - debug and management entries,
- * 3 - COS0 entry, 4 - COS1 entry.
- * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
- * bit4 bit3 bit2 bit1 bit0
- * MCP and debug are strict
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
- /*
- * For strict priority entries defines the number of consecutive slots
- * for the highest priority.
- */
- REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
- /* ETS mode disable */
- REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
- /* Defines the number of consecutive slots for the strict priority */
- REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
- /* Defines the number of consecutive slots for the strict priority */
- REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
- /*
- * mapping between entry priority to client number (0,1,2 -debug and
- * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
- * 3bits client num.
- * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
- * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
- * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
- */
- val = (0 == strict_cos) ? 0x2318 : 0x22E0;
- REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
- return 0;
- }
- /******************************************************************/
- /* PFC section */
- /******************************************************************/
- static void bnx2x_update_pfc_xmac(struct link_params *params,
- struct link_vars *vars,
- u8 is_lb)
- {
- struct bnx2x *bp = params->bp;
- u32 xmac_base;
- u32 pause_val, pfc0_val, pfc1_val;
- /* XMAC base adrr */
- xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
- /* Initialize pause and pfc registers */
- pause_val = 0x18000;
- pfc0_val = 0xFFFF8000;
- pfc1_val = 0x2;
- /* No PFC support */
- if (!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED)) {
- /*
- * RX flow control - Process pause frame in receive direction
- */
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
- pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
- /*
- * TX flow control - Send pause packet when buffer is full
- */
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
- pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
- } else {/* PFC support */
- pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
- XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
- XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
- XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
- }
- /* Write pause and PFC registers */
- REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
- REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
- REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
- /* Set MAC address for source TX Pause/PFC frames */
- REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
- ((params->mac_addr[2] << 24) |
- (params->mac_addr[3] << 16) |
- (params->mac_addr[4] << 8) |
- (params->mac_addr[5])));
- REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
- ((params->mac_addr[0] << 8) |
- (params->mac_addr[1])));
- udelay(30);
- }
- static void bnx2x_emac_get_pfc_stat(struct link_params *params,
- u32 pfc_frames_sent[2],
- u32 pfc_frames_received[2])
- {
- /* Read pfc statistic */
- struct bnx2x *bp = params->bp;
- u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- u32 val_xon = 0;
- u32 val_xoff = 0;
- DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
- /* PFC received frames */
- val_xoff = REG_RD(bp, emac_base +
- EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
- val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
- val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
- val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
- pfc_frames_received[0] = val_xon + val_xoff;
- /* PFC received sent */
- val_xoff = REG_RD(bp, emac_base +
- EMAC_REG_RX_PFC_STATS_XOFF_SENT);
- val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
- val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
- val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
- pfc_frames_sent[0] = val_xon + val_xoff;
- }
- /* Read pfc statistic*/
- void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
- u32 pfc_frames_sent[2],
- u32 pfc_frames_received[2])
- {
- /* Read pfc statistic */
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "pfc statistic\n");
- if (!vars->link_up)
- return;
- if (MAC_TYPE_EMAC == vars->mac_type) {
- DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
- bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
- pfc_frames_received);
- }
- }
- /******************************************************************/
- /* MAC/PBF section */
- /******************************************************************/
- static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
- {
- u32 mode, emac_base;
- /**
- * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
- * (a value of 49==0x31) and make sure that the AUTO poll is off
- */
- if (CHIP_IS_E2(bp))
- emac_base = GRCBASE_EMAC0;
- else
- emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
- mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
- EMAC_MDIO_MODE_CLOCK_CNT);
- if (USES_WARPCORE(bp))
- mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
- else
- mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
- mode |= (EMAC_MDIO_MODE_CLAUSE_45);
- REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
- udelay(40);
- }
- static void bnx2x_emac_init(struct link_params *params,
- struct link_vars *vars)
- {
- /* reset and unreset the emac core */
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- u32 val;
- u16 timeout;
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
- udelay(5);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
- (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
- /* init emac - use read-modify-write */
- /* self clear reset */
- val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
- EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
- timeout = 200;
- do {
- val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
- DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
- if (!timeout) {
- DP(NETIF_MSG_LINK, "EMAC timeout!\n");
- return;
- }
- timeout--;
- } while (val & EMAC_MODE_RESET);
- bnx2x_set_mdio_clk(bp, params->chip_id, port);
- /* Set mac address */
- val = ((params->mac_addr[0] << 8) |
- params->mac_addr[1]);
- EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
- val = ((params->mac_addr[2] << 24) |
- (params->mac_addr[3] << 16) |
- (params->mac_addr[4] << 8) |
- params->mac_addr[5]);
- EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
- }
- static void bnx2x_set_xumac_nig(struct link_params *params,
- u16 tx_pause_en,
- u8 enable)
- {
- struct bnx2x *bp = params->bp;
- REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
- enable);
- REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
- enable);
- REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
- NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
- }
- static void bnx2x_umac_enable(struct link_params *params,
- struct link_vars *vars, u8 lb)
- {
- u32 val;
- u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
- struct bnx2x *bp = params->bp;
- /* Reset UMAC */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
- usleep_range(1000, 1000);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
- (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
- DP(NETIF_MSG_LINK, "enabling UMAC\n");
- /**
- * This register determines on which events the MAC will assert
- * error on the i/f to the NIG along w/ EOP.
- */
- /**
- * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
- * params->port*0x14, 0xfffff.
- */
- /* This register opens the gate for the UMAC despite its name */
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
- val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
- UMAC_COMMAND_CONFIG_REG_PAD_EN |
- UMAC_COMMAND_CONFIG_REG_SW_RESET |
- UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
- switch (vars->line_speed) {
- case SPEED_10:
- val |= (0<<2);
- break;
- case SPEED_100:
- val |= (1<<2);
- break;
- case SPEED_1000:
- val |= (2<<2);
- break;
- case SPEED_2500:
- val |= (3<<2);
- break;
- default:
- DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
- vars->line_speed);
- break;
- }
- if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
- if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
- val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
- REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
- udelay(50);
- /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
- REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
- ((params->mac_addr[2] << 24) |
- (params->mac_addr[3] << 16) |
- (params->mac_addr[4] << 8) |
- (params->mac_addr[5])));
- REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
- ((params->mac_addr[0] << 8) |
- (params->mac_addr[1])));
- /* Enable RX and TX */
- val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
- val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
- UMAC_COMMAND_CONFIG_REG_RX_ENA;
- REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
- udelay(50);
- /* Remove SW Reset */
- val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
- /* Check loopback mode */
- if (lb)
- val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
- REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
- /*
- * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
- * length used by the MAC receive logic to check frames.
- */
- REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
- bnx2x_set_xumac_nig(params,
- ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
- vars->mac_type = MAC_TYPE_UMAC;
- }
- static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
- {
- u32 port4mode_ovwr_val;
- /* Check 4-port override enabled */
- port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
- if (port4mode_ovwr_val & (1<<0)) {
- /* Return 4-port mode override value */
- return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
- }
- /* Return 4-port mode from input pin */
- return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
- }
- /* Define the XMAC mode */
- static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
- {
- u32 is_port4mode = bnx2x_is_4_port_mode(bp);
- /**
- * In 4-port mode, need to set the mode only once, so if XMAC is
- * already out of reset, it means the mode has already been set,
- * and it must not* reset the XMAC again, since it controls both
- * ports of the path
- **/
- if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
- MISC_REGISTERS_RESET_REG_2_XMAC)) {
- DP(NETIF_MSG_LINK, "XMAC already out of reset"
- " in 4-port mode\n");
- return;
- }
- /* Hard reset */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- MISC_REGISTERS_RESET_REG_2_XMAC);
- usleep_range(1000, 1000);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
- MISC_REGISTERS_RESET_REG_2_XMAC);
- if (is_port4mode) {
- DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
- /* Set the number of ports on the system side to up to 2 */
- REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
- /* Set the number of ports on the Warp Core to 10G */
- REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
- } else {
- /* Set the number of ports on the system side to 1 */
- REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
- if (max_speed == SPEED_10000) {
- DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
- " port per path\n");
- /* Set the number of ports on the Warp Core to 10G */
- REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
- } else {
- DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
- " per path\n");
- /* Set the number of ports on the Warp Core to 20G */
- REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
- }
- }
- /* Soft reset */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
- usleep_range(1000, 1000);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
- MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
- }
- static void bnx2x_xmac_disable(struct link_params *params)
- {
- u8 port = params->port;
- struct bnx2x *bp = params->bp;
- u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
- if (REG_RD(bp, MISC_REG_RESET_REG_2) &
- MISC_REGISTERS_RESET_REG_2_XMAC) {
- /*
- * Send an indication to change the state in the NIG back to XON
- * Clearing this bit enables the next set of this bit to get
- * rising edge
- */
- pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
- REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
- (pfc_ctrl & ~(1<<1)));
- REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
- (pfc_ctrl | (1<<1)));
- DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
- REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
- usleep_range(1000, 1000);
- bnx2x_set_xumac_nig(params, 0, 0);
- REG_WR(bp, xmac_base + XMAC_REG_CTRL,
- XMAC_CTRL_REG_SOFT_RESET);
- }
- }
- static int bnx2x_xmac_enable(struct link_params *params,
- struct link_vars *vars, u8 lb)
- {
- u32 val, xmac_base;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "enabling XMAC\n");
- xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
- bnx2x_xmac_init(bp, vars->line_speed);
- /*
- * This register determines on which events the MAC will assert
- * error on the i/f to the NIG along w/ EOP.
- */
- /*
- * This register tells the NIG whether to send traffic to UMAC
- * or XMAC
- */
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
- /* Set Max packet size */
- REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
- /* CRC append for Tx packets */
- REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
- /* update PFC */
- bnx2x_update_pfc_xmac(params, vars, 0);
- /* Enable TX and RX */
- val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
- /* Check loopback mode */
- if (lb)
- val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
- REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
- bnx2x_set_xumac_nig(params,
- ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
- vars->mac_type = MAC_TYPE_XMAC;
- return 0;
- }
- static int bnx2x_emac_enable(struct link_params *params,
- struct link_vars *vars, u8 lb)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- u32 val;
- DP(NETIF_MSG_LINK, "enabling EMAC\n");
- /* Disable BMAC */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
- /* enable emac and not bmac */
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
- /* ASIC */
- if (vars->phy_flags & PHY_XGXS_FLAG) {
- u32 ser_lane = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
- DP(NETIF_MSG_LINK, "XGXS\n");
- /* select the master lanes (out of 0-3) */
- REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
- /* select XGXS */
- REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
- } else { /* SerDes */
- DP(NETIF_MSG_LINK, "SerDes\n");
- /* select SerDes */
- REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
- }
- bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
- EMAC_RX_MODE_RESET);
- bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
- EMAC_TX_MODE_RESET);
- if (CHIP_REV_IS_SLOW(bp)) {
- /* config GMII mode */
- val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
- EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
- } else { /* ASIC */
- /* pause enable/disable */
- bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
- EMAC_RX_MODE_FLOW_EN);
- bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
- (EMAC_TX_MODE_EXT_PAUSE_EN |
- EMAC_TX_MODE_FLOW_EN));
- if (!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED)) {
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
- bnx2x_bits_en(bp, emac_base +
- EMAC_REG_EMAC_RX_MODE,
- EMAC_RX_MODE_FLOW_EN);
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
- bnx2x_bits_en(bp, emac_base +
- EMAC_REG_EMAC_TX_MODE,
- (EMAC_TX_MODE_EXT_PAUSE_EN |
- EMAC_TX_MODE_FLOW_EN));
- } else
- bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
- EMAC_TX_MODE_FLOW_EN);
- }
- /* KEEP_VLAN_TAG, promiscuous */
- val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
- val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
- /*
- * Setting this bit causes MAC control frames (except for pause
- * frames) to be passed on for processing. This setting has no
- * affect on the operation of the pause frames. This bit effects
- * all packets regardless of RX Parser packet sorting logic.
- * Turn the PFC off to make sure we are in Xon state before
- * enabling it.
- */
- EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
- if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
- DP(NETIF_MSG_LINK, "PFC is enabled\n");
- /* Enable PFC again */
- EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
- EMAC_REG_RX_PFC_MODE_RX_EN |
- EMAC_REG_RX_PFC_MODE_TX_EN |
- EMAC_REG_RX_PFC_MODE_PRIORITIES);
- EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
- ((0x0101 <<
- EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
- (0x00ff <<
- EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
- val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
- }
- EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
- /* Set Loopback */
- val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
- if (lb)
- val |= 0x810;
- else
- val &= ~0x810;
- EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
- /* enable emac */
- REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
- /* enable emac for jumbo packets */
- EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
- (EMAC_RX_MTU_SIZE_JUMBO_ENA |
- (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
- /* strip CRC */
- REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
- /* disable the NIG in/out to the bmac */
- REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
- REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
- REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
- /* enable the NIG in/out to the emac */
- REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
- val = 0;
- if ((params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED) ||
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val = 1;
- REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
- REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
- vars->mac_type = MAC_TYPE_EMAC;
- return 0;
- }
- static void bnx2x_update_pfc_bmac1(struct link_params *params,
- struct link_vars *vars)
- {
- u32 wb_data[2];
- struct bnx2x *bp = params->bp;
- u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- u32 val = 0x14;
- if ((!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED)) &&
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
- /* Enable BigMAC to react on received Pause packets */
- val |= (1<<5);
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
- /* tx control */
- val = 0xc0;
- if (!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED) &&
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val |= 0x800000;
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
- }
- static void bnx2x_update_pfc_bmac2(struct link_params *params,
- struct link_vars *vars,
- u8 is_lb)
- {
- /*
- * Set rx control: Strip CRC and enable BigMAC to relay
- * control packets to the system as well
- */
- u32 wb_data[2];
- struct bnx2x *bp = params->bp;
- u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- u32 val = 0x14;
- if ((!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED)) &&
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
- /* Enable BigMAC to react on received Pause packets */
- val |= (1<<5);
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
- udelay(30);
- /* Tx control */
- val = 0xc0;
- if (!(params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED) &&
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val |= 0x800000;
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
- if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
- DP(NETIF_MSG_LINK, "PFC is enabled\n");
- /* Enable PFC RX & TX & STATS and set 8 COS */
- wb_data[0] = 0x0;
- wb_data[0] |= (1<<0); /* RX */
- wb_data[0] |= (1<<1); /* TX */
- wb_data[0] |= (1<<2); /* Force initial Xon */
- wb_data[0] |= (1<<3); /* 8 cos */
- wb_data[0] |= (1<<5); /* STATS */
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
- wb_data, 2);
- /* Clear the force Xon */
- wb_data[0] &= ~(1<<2);
- } else {
- DP(NETIF_MSG_LINK, "PFC is disabled\n");
- /* disable PFC RX & TX & STATS and set 8 COS */
- wb_data[0] = 0x8;
- wb_data[1] = 0;
- }
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
- /*
- * Set Time (based unit is 512 bit time) between automatic
- * re-sending of PP packets amd enable automatic re-send of
- * Per-Priroity Packet as long as pp_gen is asserted and
- * pp_disable is low.
- */
- val = 0x8000;
- if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
- val |= (1<<16); /* enable automatic re-send */
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
- wb_data, 2);
- /* mac control */
- val = 0x3; /* Enable RX and TX */
- if (is_lb) {
- val |= 0x4; /* Local loopback */
- DP(NETIF_MSG_LINK, "enable bmac loopback\n");
- }
- /* When PFC enabled, Pass pause frames towards the NIG. */
- if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
- val |= ((1<<6)|(1<<5));
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
- }
- /* PFC BRB internal port configuration params */
- struct bnx2x_pfc_brb_threshold_val {
- u32 pause_xoff;
- u32 pause_xon;
- u32 full_xoff;
- u32 full_xon;
- };
- struct bnx2x_pfc_brb_e3b0_val {
- u32 full_lb_xoff_th;
- u32 full_lb_xon_threshold;
- u32 lb_guarantied;
- u32 mac_0_class_t_guarantied;
- u32 mac_0_class_t_guarantied_hyst;
- u32 mac_1_class_t_guarantied;
- u32 mac_1_class_t_guarantied_hyst;
- };
- struct bnx2x_pfc_brb_th_val {
- struct bnx2x_pfc_brb_threshold_val pauseable_th;
- struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
- };
- static int bnx2x_pfc_brb_get_config_params(
- struct link_params *params,
- struct bnx2x_pfc_brb_th_val *config_val)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
- if (CHIP_IS_E2(bp)) {
- config_val->pauseable_th.pause_xoff =
- PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
- config_val->pauseable_th.pause_xon =
- PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
- config_val->pauseable_th.full_xoff =
- PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
- config_val->pauseable_th.full_xon =
- PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
- /* non pause able*/
- config_val->non_pauseable_th.pause_xoff =
- PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.pause_xon =
- PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xoff =
- PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xon =
- PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
- } else if (CHIP_IS_E3A0(bp)) {
- config_val->pauseable_th.pause_xoff =
- PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
- config_val->pauseable_th.pause_xon =
- PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
- config_val->pauseable_th.full_xoff =
- PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
- config_val->pauseable_th.full_xon =
- PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
- /* non pause able*/
- config_val->non_pauseable_th.pause_xoff =
- PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.pause_xon =
- PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xoff =
- PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xon =
- PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
- } else if (CHIP_IS_E3B0(bp)) {
- if (params->phy[INT_PHY].flags &
- FLAGS_4_PORT_MODE) {
- config_val->pauseable_th.pause_xoff =
- PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
- config_val->pauseable_th.pause_xon =
- PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
- config_val->pauseable_th.full_xoff =
- PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
- config_val->pauseable_th.full_xon =
- PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
- /* non pause able*/
- config_val->non_pauseable_th.pause_xoff =
- PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.pause_xon =
- PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xoff =
- PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xon =
- PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
- } else {
- config_val->pauseable_th.pause_xoff =
- PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
- config_val->pauseable_th.pause_xon =
- PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
- config_val->pauseable_th.full_xoff =
- PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
- config_val->pauseable_th.full_xon =
- PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
- /* non pause able*/
- config_val->non_pauseable_th.pause_xoff =
- PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.pause_xon =
- PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xoff =
- PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
- config_val->non_pauseable_th.full_xon =
- PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
- }
- } else
- return -EINVAL;
- return 0;
- }
- static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
- struct bnx2x_pfc_brb_e3b0_val
- *e3b0_val,
- u32 cos0_pauseable,
- u32 cos1_pauseable)
- {
- if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
- e3b0_val->full_lb_xoff_th =
- PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
- e3b0_val->full_lb_xon_threshold =
- PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
- e3b0_val->lb_guarantied =
- PFC_E3B0_4P_LB_GUART;
- e3b0_val->mac_0_class_t_guarantied =
- PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
- e3b0_val->mac_0_class_t_guarantied_hyst =
- PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
- e3b0_val->mac_1_class_t_guarantied =
- PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
- e3b0_val->mac_1_class_t_guarantied_hyst =
- PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
- } else {
- e3b0_val->full_lb_xoff_th =
- PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
- e3b0_val->full_lb_xon_threshold =
- PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
- e3b0_val->mac_0_class_t_guarantied_hyst =
- PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
- e3b0_val->mac_1_class_t_guarantied =
- PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
- e3b0_val->mac_1_class_t_guarantied_hyst =
- PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
- if (cos0_pauseable != cos1_pauseable) {
- /* nonpauseable= Lossy + pauseable = Lossless*/
- e3b0_val->lb_guarantied =
- PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
- e3b0_val->mac_0_class_t_guarantied =
- PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
- } else if (cos0_pauseable) {
- /* Lossless +Lossless*/
- e3b0_val->lb_guarantied =
- PFC_E3B0_2P_PAUSE_LB_GUART;
- e3b0_val->mac_0_class_t_guarantied =
- PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
- } else {
- /* Lossy +Lossy*/
- e3b0_val->lb_guarantied =
- PFC_E3B0_2P_NON_PAUSE_LB_GUART;
- e3b0_val->mac_0_class_t_guarantied =
- PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
- }
- }
- }
- static int bnx2x_update_pfc_brb(struct link_params *params,
- struct link_vars *vars,
- struct bnx2x_nig_brb_pfc_port_params
- *pfc_params)
- {
- struct bnx2x *bp = params->bp;
- struct bnx2x_pfc_brb_th_val config_val = { {0} };
- struct bnx2x_pfc_brb_threshold_val *reg_th_config =
- &config_val.pauseable_th;
- struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
- int set_pfc = params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED;
- int bnx2x_status = 0;
- u8 port = params->port;
- /* default - pause configuration */
- reg_th_config = &config_val.pauseable_th;
- bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
- if (0 != bnx2x_status)
- return bnx2x_status;
- if (set_pfc && pfc_params)
- /* First COS */
- if (!pfc_params->cos0_pauseable)
- reg_th_config = &config_val.non_pauseable_th;
- /*
- * The number of free blocks below which the pause signal to class 0
- * of MAC #n is asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
- BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
- reg_th_config->pause_xoff);
- /*
- * The number of free blocks above which the pause signal to class 0
- * of MAC #n is de-asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
- BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
- /*
- * The number of free blocks below which the full signal to class 0
- * of MAC #n is asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
- BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
- /*
- * The number of free blocks above which the full signal to class 0
- * of MAC #n is de-asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
- BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
- if (set_pfc && pfc_params) {
- /* Second COS */
- if (pfc_params->cos1_pauseable)
- reg_th_config = &config_val.pauseable_th;
- else
- reg_th_config = &config_val.non_pauseable_th;
- /*
- * The number of free blocks below which the pause signal to
- * class 1 of MAC #n is asserted. n=0,1
- **/
- REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
- BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
- reg_th_config->pause_xoff);
- /*
- * The number of free blocks above which the pause signal to
- * class 1 of MAC #n is de-asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
- BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
- reg_th_config->pause_xon);
- /*
- * The number of free blocks below which the full signal to
- * class 1 of MAC #n is asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
- BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
- reg_th_config->full_xoff);
- /*
- * The number of free blocks above which the full signal to
- * class 1 of MAC #n is de-asserted. n=0,1
- */
- REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
- BRB1_REG_FULL_1_XON_THRESHOLD_0,
- reg_th_config->full_xon);
- if (CHIP_IS_E3B0(bp)) {
- /*Should be done by init tool */
- /*
- * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
- * reset value
- * 944
- */
- /**
- * The hysteresis on the guarantied buffer space for the Lb port
- * before signaling XON.
- **/
- REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
- bnx2x_pfc_brb_get_e3b0_config_params(
- params,
- &e3b0_val,
- pfc_params->cos0_pauseable,
- pfc_params->cos1_pauseable);
- /**
- * The number of free blocks below which the full signal to the
- * LB port is asserted.
- */
- REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
- e3b0_val.full_lb_xoff_th);
- /**
- * The number of free blocks above which the full signal to the
- * LB port is de-asserted.
- */
- REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
- e3b0_val.full_lb_xon_threshold);
- /**
- * The number of blocks guarantied for the MAC #n port. n=0,1
- */
- /*The number of blocks guarantied for the LB port.*/
- REG_WR(bp, BRB1_REG_LB_GUARANTIED,
- e3b0_val.lb_guarantied);
- /**
- * The number of blocks guarantied for the MAC #n port.
- */
- REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
- 2 * e3b0_val.mac_0_class_t_guarantied);
- REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
- 2 * e3b0_val.mac_1_class_t_guarantied);
- /**
- * The number of blocks guarantied for class #t in MAC0. t=0,1
- */
- REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
- e3b0_val.mac_0_class_t_guarantied);
- REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
- e3b0_val.mac_0_class_t_guarantied);
- /**
- * The hysteresis on the guarantied buffer space for class in
- * MAC0. t=0,1
- */
- REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
- e3b0_val.mac_0_class_t_guarantied_hyst);
- REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
- e3b0_val.mac_0_class_t_guarantied_hyst);
- /**
- * The number of blocks guarantied for class #t in MAC1.t=0,1
- */
- REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
- e3b0_val.mac_1_class_t_guarantied);
- REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
- e3b0_val.mac_1_class_t_guarantied);
- /**
- * The hysteresis on the guarantied buffer space for class #t
- * in MAC1. t=0,1
- */
- REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
- e3b0_val.mac_1_class_t_guarantied_hyst);
- REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
- e3b0_val.mac_1_class_t_guarantied_hyst);
- }
- }
- return bnx2x_status;
- }
- /******************************************************************************
- * Description:
- * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
- * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
- ******************************************************************************/
- int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
- u8 cos_entry,
- u32 priority_mask, u8 port)
- {
- u32 nig_reg_rx_priority_mask_add = 0;
- switch (cos_entry) {
- case 0:
- nig_reg_rx_priority_mask_add = (port) ?
- NIG_REG_P1_RX_COS0_PRIORITY_MASK :
- NIG_REG_P0_RX_COS0_PRIORITY_MASK;
- break;
- case 1:
- nig_reg_rx_priority_mask_add = (port) ?
- NIG_REG_P1_RX_COS1_PRIORITY_MASK :
- NIG_REG_P0_RX_COS1_PRIORITY_MASK;
- break;
- case 2:
- nig_reg_rx_priority_mask_add = (port) ?
- NIG_REG_P1_RX_COS2_PRIORITY_MASK :
- NIG_REG_P0_RX_COS2_PRIORITY_MASK;
- break;
- case 3:
- if (port)
- return -EINVAL;
- nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
- break;
- case 4:
- if (port)
- return -EINVAL;
- nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
- break;
- case 5:
- if (port)
- return -EINVAL;
- nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
- break;
- }
- REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
- return 0;
- }
- static void bnx2x_update_mng(struct link_params *params, u32 link_status)
- {
- struct bnx2x *bp = params->bp;
- REG_WR(bp, params->shmem_base +
- offsetof(struct shmem_region,
- port_mb[params->port].link_status), link_status);
- }
- static void bnx2x_update_pfc_nig(struct link_params *params,
- struct link_vars *vars,
- struct bnx2x_nig_brb_pfc_port_params *nig_params)
- {
- u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
- u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
- u32 pkt_priority_to_cos = 0;
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- int set_pfc = params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED;
- DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
- /*
- * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
- * MAC control frames (that are not pause packets)
- * will be forwarded to the XCM.
- */
- xcm_mask = REG_RD(bp,
- port ? NIG_REG_LLH1_XCM_MASK :
- NIG_REG_LLH0_XCM_MASK);
- /*
- * nig params will override non PFC params, since it's possible to
- * do transition from PFC to SAFC
- */
- if (set_pfc) {
- pause_enable = 0;
- llfc_out_en = 0;
- llfc_enable = 0;
- if (CHIP_IS_E3(bp))
- ppp_enable = 0;
- else
- ppp_enable = 1;
- xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
- NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
- xcm0_out_en = 0;
- p0_hwpfc_enable = 1;
- } else {
- if (nig_params) {
- llfc_out_en = nig_params->llfc_out_en;
- llfc_enable = nig_params->llfc_enable;
- pause_enable = nig_params->pause_enable;
- } else /*defaul non PFC mode - PAUSE */
- pause_enable = 1;
- xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
- NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
- xcm0_out_en = 1;
- }
- if (CHIP_IS_E3(bp))
- REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
- NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
- REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
- NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
- REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
- NIG_REG_LLFC_ENABLE_0, llfc_enable);
- REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
- NIG_REG_PAUSE_ENABLE_0, pause_enable);
- REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
- NIG_REG_PPP_ENABLE_0, ppp_enable);
- REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
- NIG_REG_LLH0_XCM_MASK, xcm_mask);
- REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
- /* output enable for RX_XCM # IF */
- REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
- /* HW PFC TX enable */
- REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
- if (nig_params) {
- u8 i = 0;
- pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
- for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
- bnx2x_pfc_nig_rx_priority_mask(bp, i,
- nig_params->rx_cos_priority_mask[i], port);
- REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
- NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
- nig_params->llfc_high_priority_classes);
- REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
- NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
- nig_params->llfc_low_priority_classes);
- }
- REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
- NIG_REG_P0_PKT_PRIORITY_TO_COS,
- pkt_priority_to_cos);
- }
- int bnx2x_update_pfc(struct link_params *params,
- struct link_vars *vars,
- struct bnx2x_nig_brb_pfc_port_params *pfc_params)
- {
- /*
- * The PFC and pause are orthogonal to one another, meaning when
- * PFC is enabled, the pause are disabled, and when PFC is
- * disabled, pause are set according to the pause result.
- */
- u32 val;
- struct bnx2x *bp = params->bp;
- int bnx2x_status = 0;
- u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
- if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
- vars->link_status |= LINK_STATUS_PFC_ENABLED;
- else
- vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
- bnx2x_update_mng(params, vars->link_status);
- /* update NIG params */
- bnx2x_update_pfc_nig(params, vars, pfc_params);
- /* update BRB params */
- bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
- if (0 != bnx2x_status)
- return bnx2x_status;
- if (!vars->link_up)
- return bnx2x_status;
- DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
- if (CHIP_IS_E3(bp))
- bnx2x_update_pfc_xmac(params, vars, 0);
- else {
- val = REG_RD(bp, MISC_REG_RESET_REG_2);
- if ((val &
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
- == 0) {
- DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
- bnx2x_emac_enable(params, vars, 0);
- return bnx2x_status;
- }
- if (CHIP_IS_E2(bp))
- bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
- else
- bnx2x_update_pfc_bmac1(params, vars);
- val = 0;
- if ((params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED) ||
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val = 1;
- REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
- }
- return bnx2x_status;
- }
- static int bnx2x_bmac1_enable(struct link_params *params,
- struct link_vars *vars,
- u8 is_lb)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- u32 wb_data[2];
- u32 val;
- DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
- /* XGXS control */
- wb_data[0] = 0x3c;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
- wb_data, 2);
- /* tx MAC SA */
- wb_data[0] = ((params->mac_addr[2] << 24) |
- (params->mac_addr[3] << 16) |
- (params->mac_addr[4] << 8) |
- params->mac_addr[5]);
- wb_data[1] = ((params->mac_addr[0] << 8) |
- params->mac_addr[1]);
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
- /* mac control */
- val = 0x3;
- if (is_lb) {
- val |= 0x4;
- DP(NETIF_MSG_LINK, "enable bmac loopback\n");
- }
- wb_data[0] = val;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
- /* set rx mtu */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
- bnx2x_update_pfc_bmac1(params, vars);
- /* set tx mtu */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
- /* set cnt max size */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
- /* configure safc */
- wb_data[0] = 0x1000200;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
- wb_data, 2);
- return 0;
- }
- static int bnx2x_bmac2_enable(struct link_params *params,
- struct link_vars *vars,
- u8 is_lb)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- u32 wb_data[2];
- DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
- wb_data[0] = 0;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
- udelay(30);
- /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
- wb_data[0] = 0x3c;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
- wb_data, 2);
- udelay(30);
- /* tx MAC SA */
- wb_data[0] = ((params->mac_addr[2] << 24) |
- (params->mac_addr[3] << 16) |
- (params->mac_addr[4] << 8) |
- params->mac_addr[5]);
- wb_data[1] = ((params->mac_addr[0] << 8) |
- params->mac_addr[1]);
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
- wb_data, 2);
- udelay(30);
- /* Configure SAFC */
- wb_data[0] = 0x1000200;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
- wb_data, 2);
- udelay(30);
- /* set rx mtu */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
- udelay(30);
- /* set tx mtu */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
- udelay(30);
- /* set cnt max size */
- wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
- wb_data[1] = 0;
- REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
- udelay(30);
- bnx2x_update_pfc_bmac2(params, vars, is_lb);
- return 0;
- }
- static int bnx2x_bmac_enable(struct link_params *params,
- struct link_vars *vars,
- u8 is_lb)
- {
- int rc = 0;
- u8 port = params->port;
- struct bnx2x *bp = params->bp;
- u32 val;
- /* reset and unreset the BigMac */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
- msleep(1);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
- /* enable access for bmac registers */
- REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
- /* Enable BMAC according to BMAC type*/
- if (CHIP_IS_E2(bp))
- rc = bnx2x_bmac2_enable(params, vars, is_lb);
- else
- rc = bnx2x_bmac1_enable(params, vars, is_lb);
- REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
- REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
- val = 0;
- if ((params->feature_config_flags &
- FEATURE_CONFIG_PFC_ENABLED) ||
- (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
- val = 1;
- REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
- REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
- REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
- REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
- REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
- vars->mac_type = MAC_TYPE_BMAC;
- return rc;
- }
- static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
- {
- u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- u32 wb_data[2];
- u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
- /* Only if the bmac is out of reset */
- if (REG_RD(bp, MISC_REG_RESET_REG_2) &
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
- nig_bmac_enable) {
- if (CHIP_IS_E2(bp)) {
- /* Clear Rx Enable bit in BMAC_CONTROL register */
- REG_RD_DMAE(bp, bmac_addr +
- BIGMAC2_REGISTER_BMAC_CONTROL,
- wb_data, 2);
- wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
- REG_WR_DMAE(bp, bmac_addr +
- BIGMAC2_REGISTER_BMAC_CONTROL,
- wb_data, 2);
- } else {
- /* Clear Rx Enable bit in BMAC_CONTROL register */
- REG_RD_DMAE(bp, bmac_addr +
- BIGMAC_REGISTER_BMAC_CONTROL,
- wb_data, 2);
- wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
- REG_WR_DMAE(bp, bmac_addr +
- BIGMAC_REGISTER_BMAC_CONTROL,
- wb_data, 2);
- }
- msleep(1);
- }
- }
- static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
- u32 line_speed)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 init_crd, crd;
- u32 count = 1000;
- /* disable port */
- REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
- /* wait for init credit */
- init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
- crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
- DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
- while ((init_crd != crd) && count) {
- msleep(5);
- crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
- count--;
- }
- crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
- if (init_crd != crd) {
- DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
- init_crd, crd);
- return -EINVAL;
- }
- if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
- line_speed == SPEED_10 ||
- line_speed == SPEED_100 ||
- line_speed == SPEED_1000 ||
- line_speed == SPEED_2500) {
- REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
- /* update threshold */
- REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
- /* update init credit */
- init_crd = 778; /* (800-18-4) */
- } else {
- u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
- ETH_OVREHEAD)/16;
- REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
- /* update threshold */
- REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
- /* update init credit */
- switch (line_speed) {
- case SPEED_10000:
- init_crd = thresh + 553 - 22;
- break;
- default:
- DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
- line_speed);
- return -EINVAL;
- }
- }
- REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
- DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
- line_speed, init_crd);
- /* probe the credit changes */
- REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
- msleep(5);
- REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
- /* enable port */
- REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
- return 0;
- }
- /**
- * bnx2x_get_emac_base - retrive emac base address
- *
- * @bp: driver handle
- * @mdc_mdio_access: access type
- * @port: port id
- *
- * This function selects the MDC/MDIO access (through emac0 or
- * emac1) depend on the mdc_mdio_access, port, port swapped. Each
- * phy has a default access mode, which could also be overridden
- * by nvram configuration. This parameter, whether this is the
- * default phy configuration, or the nvram overrun
- * configuration, is passed here as mdc_mdio_access and selects
- * the emac_base for the CL45 read/writes operations
- */
- static u32 bnx2x_get_emac_base(struct bnx2x *bp,
- u32 mdc_mdio_access, u8 port)
- {
- u32 emac_base = 0;
- switch (mdc_mdio_access) {
- case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
- break;
- case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
- if (REG_RD(bp, NIG_REG_PORT_SWAP))
- emac_base = GRCBASE_EMAC1;
- else
- emac_base = GRCBASE_EMAC0;
- break;
- case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
- if (REG_RD(bp, NIG_REG_PORT_SWAP))
- emac_base = GRCBASE_EMAC0;
- else
- emac_base = GRCBASE_EMAC1;
- break;
- case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
- emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- break;
- case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
- emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
- break;
- default:
- break;
- }
- return emac_base;
- }
- /******************************************************************/
- /* CL22 access functions */
- /******************************************************************/
- static int bnx2x_cl22_write(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 reg, u16 val)
- {
- u32 tmp, mode;
- u8 i;
- int rc = 0;
- /* Switch to CL22 */
- mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
- mode & ~EMAC_MDIO_MODE_CLAUSE_45);
- /* address */
- tmp = ((phy->addr << 21) | (reg << 16) | val |
- EMAC_MDIO_COMM_COMMAND_WRITE_22 |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
- for (i = 0; i < 50; i++) {
- udelay(10);
- tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
- if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- break;
- }
- }
- if (tmp & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "write phy register failed\n");
- rc = -EFAULT;
- }
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
- return rc;
- }
- static int bnx2x_cl22_read(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 reg, u16 *ret_val)
- {
- u32 val, mode;
- u16 i;
- int rc = 0;
- /* Switch to CL22 */
- mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
- mode & ~EMAC_MDIO_MODE_CLAUSE_45);
- /* address */
- val = ((phy->addr << 21) | (reg << 16) |
- EMAC_MDIO_COMM_COMMAND_READ_22 |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
- for (i = 0; i < 50; i++) {
- udelay(10);
- val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
- if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
- *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
- udelay(5);
- break;
- }
- }
- if (val & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "read phy register failed\n");
- *ret_val = 0;
- rc = -EFAULT;
- }
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
- return rc;
- }
- /******************************************************************/
- /* CL45 access functions */
- /******************************************************************/
- static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
- u8 devad, u16 reg, u16 *ret_val)
- {
- u32 val;
- u16 i;
- int rc = 0;
- if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
- bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
- EMAC_MDIO_STATUS_10MB);
- /* address */
- val = ((phy->addr << 21) | (devad << 16) | reg |
- EMAC_MDIO_COMM_COMMAND_ADDRESS |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
- for (i = 0; i < 50; i++) {
- udelay(10);
- val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
- if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- break;
- }
- }
- if (val & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "read phy register failed\n");
- netdev_err(bp->dev, "MDC/MDIO access timeout\n");
- *ret_val = 0;
- rc = -EFAULT;
- } else {
- /* data */
- val = ((phy->addr << 21) | (devad << 16) |
- EMAC_MDIO_COMM_COMMAND_READ_45 |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
- for (i = 0; i < 50; i++) {
- udelay(10);
- val = REG_RD(bp, phy->mdio_ctrl +
- EMAC_REG_EMAC_MDIO_COMM);
- if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
- *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
- break;
- }
- }
- if (val & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "read phy register failed\n");
- netdev_err(bp->dev, "MDC/MDIO access timeout\n");
- *ret_val = 0;
- rc = -EFAULT;
- }
- }
- /* Work around for E3 A0 */
- if (phy->flags & FLAGS_MDC_MDIO_WA) {
- phy->flags ^= FLAGS_DUMMY_READ;
- if (phy->flags & FLAGS_DUMMY_READ) {
- u16 temp_val;
- bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
- }
- }
- if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
- bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
- EMAC_MDIO_STATUS_10MB);
- return rc;
- }
- static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
- u8 devad, u16 reg, u16 val)
- {
- u32 tmp;
- u8 i;
- int rc = 0;
- if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
- bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
- EMAC_MDIO_STATUS_10MB);
- /* address */
- tmp = ((phy->addr << 21) | (devad << 16) | reg |
- EMAC_MDIO_COMM_COMMAND_ADDRESS |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
- for (i = 0; i < 50; i++) {
- udelay(10);
- tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
- if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- break;
- }
- }
- if (tmp & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "write phy register failed\n");
- netdev_err(bp->dev, "MDC/MDIO access timeout\n");
- rc = -EFAULT;
- } else {
- /* data */
- tmp = ((phy->addr << 21) | (devad << 16) | val |
- EMAC_MDIO_COMM_COMMAND_WRITE_45 |
- EMAC_MDIO_COMM_START_BUSY);
- REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
- for (i = 0; i < 50; i++) {
- udelay(10);
- tmp = REG_RD(bp, phy->mdio_ctrl +
- EMAC_REG_EMAC_MDIO_COMM);
- if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
- udelay(5);
- break;
- }
- }
- if (tmp & EMAC_MDIO_COMM_START_BUSY) {
- DP(NETIF_MSG_LINK, "write phy register failed\n");
- netdev_err(bp->dev, "MDC/MDIO access timeout\n");
- rc = -EFAULT;
- }
- }
- /* Work around for E3 A0 */
- if (phy->flags & FLAGS_MDC_MDIO_WA) {
- phy->flags ^= FLAGS_DUMMY_READ;
- if (phy->flags & FLAGS_DUMMY_READ) {
- u16 temp_val;
- bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
- }
- }
- if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
- bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
- EMAC_MDIO_STATUS_10MB);
- return rc;
- }
- /******************************************************************/
- /* BSC access functions from E3 */
- /******************************************************************/
- static void bnx2x_bsc_module_sel(struct link_params *params)
- {
- int idx;
- u32 board_cfg, sfp_ctrl;
- u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- /* Read I2C output PINs */
- board_cfg = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.shared_hw_config.board));
- i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
- i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
- SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
- /* Read I2C output value */
- sfp_ctrl = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_cmn_pin_cfg));
- i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
- i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
- DP(NETIF_MSG_LINK, "Setting BSC switch\n");
- for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
- bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
- }
- static int bnx2x_bsc_read(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 sl_devid,
- u16 sl_addr,
- u8 lc_addr,
- u8 xfer_cnt,
- u32 *data_array)
- {
- u32 val, i;
- int rc = 0;
- struct bnx2x *bp = params->bp;
- if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
- DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
- return -EINVAL;
- }
- if (xfer_cnt > 16) {
- DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
- xfer_cnt);
- return -EINVAL;
- }
- bnx2x_bsc_module_sel(params);
- xfer_cnt = 16 - lc_addr;
- /* enable the engine */
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- val |= MCPR_IMC_COMMAND_ENABLE;
- REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
- /* program slave device ID */
- val = (sl_devid << 16) | sl_addr;
- REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
- /* start xfer with 0 byte to update the address pointer ???*/
- val = (MCPR_IMC_COMMAND_ENABLE) |
- (MCPR_IMC_COMMAND_WRITE_OP <<
- MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
- (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
- REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
- /* poll for completion */
- i = 0;
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
- udelay(10);
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- if (i++ > 1000) {
- DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
- i);
- rc = -EFAULT;
- break;
- }
- }
- if (rc == -EFAULT)
- return rc;
- /* start xfer with read op */
- val = (MCPR_IMC_COMMAND_ENABLE) |
- (MCPR_IMC_COMMAND_READ_OP <<
- MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
- (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
- (xfer_cnt);
- REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
- /* poll for completion */
- i = 0;
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
- udelay(10);
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- if (i++ > 1000) {
- DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
- rc = -EFAULT;
- break;
- }
- }
- if (rc == -EFAULT)
- return rc;
- for (i = (lc_addr >> 2); i < 4; i++) {
- data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
- #ifdef __BIG_ENDIAN
- data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
- ((data_array[i] & 0x0000ff00) << 8) |
- ((data_array[i] & 0x00ff0000) >> 8) |
- ((data_array[i] & 0xff000000) >> 24);
- #endif
- }
- return rc;
- }
- static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
- u8 devad, u16 reg, u16 or_val)
- {
- u16 val;
- bnx2x_cl45_read(bp, phy, devad, reg, &val);
- bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
- }
- int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
- u8 devad, u16 reg, u16 *ret_val)
- {
- u8 phy_index;
- /*
- * Probe for the phy according to the given phy_addr, and execute
- * the read request on it
- */
- for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
- if (params->phy[phy_index].addr == phy_addr) {
- return bnx2x_cl45_read(params->bp,
- ¶ms->phy[phy_index], devad,
- reg, ret_val);
- }
- }
- return -EINVAL;
- }
- int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
- u8 devad, u16 reg, u16 val)
- {
- u8 phy_index;
- /*
- * Probe for the phy according to the given phy_addr, and execute
- * the write request on it
- */
- for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
- if (params->phy[phy_index].addr == phy_addr) {
- return bnx2x_cl45_write(params->bp,
- ¶ms->phy[phy_index], devad,
- reg, val);
- }
- }
- return -EINVAL;
- }
- static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u8 lane = 0;
- struct bnx2x *bp = params->bp;
- u32 path_swap, path_swap_ovr;
- u8 path, port;
- path = BP_PATH(bp);
- port = params->port;
- if (bnx2x_is_4_port_mode(bp)) {
- u32 port_swap, port_swap_ovr;
- /*figure out path swap value */
- path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
- if (path_swap_ovr & 0x1)
- path_swap = (path_swap_ovr & 0x2);
- else
- path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
- if (path_swap)
- path = path ^ 1;
- /*figure out port swap value */
- port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
- if (port_swap_ovr & 0x1)
- port_swap = (port_swap_ovr & 0x2);
- else
- port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
- if (port_swap)
- port = port ^ 1;
- lane = (port<<1) + path;
- } else { /* two port mode - no port swap */
- /*figure out path swap value */
- path_swap_ovr =
- REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
- if (path_swap_ovr & 0x1) {
- path_swap = (path_swap_ovr & 0x2);
- } else {
- path_swap =
- REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
- }
- if (path_swap)
- path = path ^ 1;
- lane = path << 1 ;
- }
- return lane;
- }
- static void bnx2x_set_aer_mmd(struct link_params *params,
- struct bnx2x_phy *phy)
- {
- u32 ser_lane;
- u16 offset, aer_val;
- struct bnx2x *bp = params->bp;
- ser_lane = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
- offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
- (phy->addr + ser_lane) : 0;
- if (USES_WARPCORE(bp)) {
- aer_val = bnx2x_get_warpcore_lane(phy, params);
- /*
- * In Dual-lane mode, two lanes are joined together,
- * so in order to configure them, the AER broadcast method is
- * used here.
- * 0x200 is the broadcast address for lanes 0,1
- * 0x201 is the broadcast address for lanes 2,3
- */
- if (phy->flags & FLAGS_WC_DUAL_MODE)
- aer_val = (aer_val >> 1) | 0x200;
- } else if (CHIP_IS_E2(bp))
- aer_val = 0x3800 + offset - 1;
- else
- aer_val = 0x3800 + offset;
- DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
- CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
- MDIO_AER_BLOCK_AER_REG, aer_val);
- }
- /******************************************************************/
- /* Internal phy section */
- /******************************************************************/
- static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
- {
- u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- /* Set Clause 22 */
- REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
- REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
- udelay(500);
- REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
- udelay(500);
- /* Set Clause 45 */
- REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
- }
- static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
- {
- u32 val;
- DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
- val = SERDES_RESET_BITS << (port*16);
- /* reset and unreset the SerDes/XGXS */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
- udelay(500);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
- bnx2x_set_serdes_access(bp, port);
- REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
- DEFAULT_PHY_DEV_ADDR);
- }
- static void bnx2x_xgxs_deassert(struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 port;
- u32 val;
- DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
- port = params->port;
- val = XGXS_RESET_BITS << (port*16);
- /* reset and unreset the SerDes/XGXS */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
- udelay(500);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
- params->phy[INT_PHY].def_md_devad);
- }
- static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
- struct link_params *params, u16 *ieee_fc)
- {
- struct bnx2x *bp = params->bp;
- *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
- /**
- * resolve pause mode and advertisement Please refer to Table
- * 28B-3 of the 802.3ab-1999 spec
- */
- switch (phy->req_flow_ctrl) {
- case BNX2X_FLOW_CTRL_AUTO:
- if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
- *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
- else
- *ieee_fc |=
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
- break;
- case BNX2X_FLOW_CTRL_TX:
- *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
- break;
- case BNX2X_FLOW_CTRL_RX:
- case BNX2X_FLOW_CTRL_BOTH:
- *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
- break;
- case BNX2X_FLOW_CTRL_NONE:
- default:
- *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
- break;
- }
- DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
- }
- static void set_phy_vars(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 actual_phy_idx, phy_index, link_cfg_idx;
- u8 phy_config_swapped = params->multi_phy_config &
- PORT_HW_CFG_PHY_SWAPPED_ENABLED;
- for (phy_index = INT_PHY; phy_index < params->num_phys;
- phy_index++) {
- link_cfg_idx = LINK_CONFIG_IDX(phy_index);
- actual_phy_idx = phy_index;
- if (phy_config_swapped) {
- if (phy_index == EXT_PHY1)
- actual_phy_idx = EXT_PHY2;
- else if (phy_index == EXT_PHY2)
- actual_phy_idx = EXT_PHY1;
- }
- params->phy[actual_phy_idx].req_flow_ctrl =
- params->req_flow_ctrl[link_cfg_idx];
- params->phy[actual_phy_idx].req_line_speed =
- params->req_line_speed[link_cfg_idx];
- params->phy[actual_phy_idx].speed_cap_mask =
- params->speed_cap_mask[link_cfg_idx];
- params->phy[actual_phy_idx].req_duplex =
- params->req_duplex[link_cfg_idx];
- if (params->req_line_speed[link_cfg_idx] ==
- SPEED_AUTO_NEG)
- vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
- DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
- " speed_cap_mask %x\n",
- params->phy[actual_phy_idx].req_flow_ctrl,
- params->phy[actual_phy_idx].req_line_speed,
- params->phy[actual_phy_idx].speed_cap_mask);
- }
- }
- static void bnx2x_ext_phy_set_pause(struct link_params *params,
- struct bnx2x_phy *phy,
- struct link_vars *vars)
- {
- u16 val;
- struct bnx2x *bp = params->bp;
- /* read modify write pause advertizing */
- bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
- val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
- /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
- bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
- if ((vars->ieee_fc &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
- val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
- }
- if ((vars->ieee_fc &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
- val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
- }
- DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
- }
- static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
- { /* LD LP */
- switch (pause_result) { /* ASYM P ASYM P */
- case 0xb: /* 1 0 1 1 */
- vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
- break;
- case 0xe: /* 1 1 1 0 */
- vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
- break;
- case 0x5: /* 0 1 0 1 */
- case 0x7: /* 0 1 1 1 */
- case 0xd: /* 1 1 0 1 */
- case 0xf: /* 1 1 1 1 */
- vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
- break;
- default:
- break;
- }
- if (pause_result & (1<<0))
- vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
- if (pause_result & (1<<1))
- vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
- }
- static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 ld_pause; /* local */
- u16 lp_pause; /* link partner */
- u16 pause_result;
- u8 ret = 0;
- /* read twice */
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
- vars->flow_ctrl = phy->req_flow_ctrl;
- else if (phy->req_line_speed != SPEED_AUTO_NEG)
- vars->flow_ctrl = params->req_fc_auto_adv;
- else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
- ret = 1;
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
- bnx2x_cl22_read(bp, phy,
- 0x4, &ld_pause);
- bnx2x_cl22_read(bp, phy,
- 0x5, &lp_pause);
- } else {
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_ADV_PAUSE, &ld_pause);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
- }
- pause_result = (ld_pause &
- MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
- pause_result |= (lp_pause &
- MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
- DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
- pause_result);
- bnx2x_pause_resolve(vars, pause_result);
- }
- return ret;
- }
- /******************************************************************/
- /* Warpcore section */
- /******************************************************************/
- /* The init_internal_warpcore should mirror the xgxs,
- * i.e. reset the lane (if needed), set aer for the
- * init configuration, and set/clear SGMII flag. Internal
- * phy init is done purely in phy_init stage.
- */
- static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars) {
- u16 val16 = 0, lane, bam37 = 0;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
- /* Check adding advertisement for 1G KX */
- if (((vars->line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
- (vars->line_speed == SPEED_1000)) {
- u16 sd_digital;
- val16 |= (1<<5);
- /* Enable CL37 1G Parallel Detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
- (sd_digital | 0x1));
- DP(NETIF_MSG_LINK, "Advertize 1G\n");
- }
- if (((vars->line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
- (vars->line_speed == SPEED_10000)) {
- /* Check adding advertisement for 10G KR */
- val16 |= (1<<7);
- /* Enable 10G Parallel Detect */
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
- DP(NETIF_MSG_LINK, "Advertize 10G\n");
- }
- /* Set Transmit PMD settings */
- lane = bnx2x_get_warpcore_lane(phy, params);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
- ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
- (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
- (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
- 0x03f0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
- 0x03f0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
- 0x383f);
- /* Advertised speeds */
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
- /* Enable CL37 BAM */
- if (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_hw_config[params->port].default_cfg)) &
- PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
- DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
- }
- /* Advertise pause */
- bnx2x_ext_phy_set_pause(params, phy, vars);
- /* Enable Autoneg */
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
- /* Over 1G - AN local device user page 1 */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC7, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
- }
- static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 val;
- /* Disable Autoneg */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL3_UP1, 0x1);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
- /* Disable CL36 PCS Tx */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
- /* Double Wide Single Data Rate @ pll rate */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
- /* Leave cl72 training enable, needed for KR */
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
- MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
- 0x2);
- /* Leave CL72 enabled */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
- &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
- val | 0x3800);
- /* Set speed via PMA/PMD register */
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
- MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
- /*Enable encoded forced speed */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
- /* Turn TX scramble payload only the 64/66 scrambler */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX66_CONTROL, 0x9);
- /* Turn RX scramble payload only the 64/66 scrambler */
- bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_CONTROL, 0xF9);
- /* set and clear loopback to cause a reset to 64/66 decoder */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
- }
- static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
- struct link_params *params,
- u8 is_xfi)
- {
- struct bnx2x *bp = params->bp;
- u16 misc1_val, tap_val, tx_driver_val, lane, val;
- /* Hold rxSeqStart */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
- /* Hold tx_fifo_reset */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
- /* Disable CL73 AN */
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
- /* Disable 100FX Enable and Auto-Detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL1, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
- /* Disable 100FX Idle detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL3, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
- /* Set Block address to Remote PHY & Clear forced_speed[5] */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
- /* Turn off auto-detect & fiber mode */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
- (val & 0xFFEE));
- /* Set filter_force_link, disable_false_link and parallel_detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
- ((val | 0x0006) & 0xFFFE));
- /* Set XFI / SFI */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
- misc1_val &= ~(0x1f);
- if (is_xfi) {
- misc1_val |= 0x5;
- tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
- (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
- (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
- tx_driver_val =
- ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
- (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
- (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
- } else {
- misc1_val |= 0x9;
- tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
- (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
- (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
- tx_driver_val =
- ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
- (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
- (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
- }
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
- /* Set Transmit PMD settings */
- lane = bnx2x_get_warpcore_lane(phy, params);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX_FIR_TAP,
- tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
- tx_driver_val);
- /* Enable fiber mode, enable and invert sig_det */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
- /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
- /* 10G XFI Full Duplex */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
- /* Release tx_fifo_reset */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
- /* Release rxSeqStart */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
- }
- static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
- struct bnx2x_phy *phy)
- {
- DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
- }
- static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 lane)
- {
- /* Rx0 anaRxControl1G */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
- /* Rx2 anaRxControl1G */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW0, 0xE070);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW1, 0xC0D0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW2, 0xA0B0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW3, 0x8090);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
- /* Serdes Digital Misc1 */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
- /* Serdes Digital4 Misc3 */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
- /* Set Transmit PMD settings */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX_FIR_TAP,
- ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
- (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
- (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
- MDIO_WC_REG_TX_FIR_TAP_ENABLE));
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
- ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
- (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
- (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
- }
- static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
- struct link_params *params,
- u8 fiber_mode)
- {
- struct bnx2x *bp = params->bp;
- u16 val16, digctrl_kx1, digctrl_kx2;
- u8 lane;
- lane = bnx2x_get_warpcore_lane(phy, params);
- /* Clear XFI clock comp in non-10G single lane mode. */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_CONTROL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
- if (phy->req_line_speed == SPEED_AUTO_NEG) {
- /* SGMII Autoneg */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
- val16 | 0x1000);
- DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
- } else {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- val16 &= 0xcfbf;
- switch (phy->req_line_speed) {
- case SPEED_10:
- break;
- case SPEED_100:
- val16 |= 0x2000;
- break;
- case SPEED_1000:
- val16 |= 0x0040;
- break;
- default:
- DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
- "\n", phy->req_line_speed);
- return;
- }
- if (phy->req_duplex == DUPLEX_FULL)
- val16 |= 0x0100;
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
- DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
- phy->req_line_speed);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
- }
- /* SGMII Slave mode and disable signal detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
- if (fiber_mode)
- digctrl_kx1 = 1;
- else
- digctrl_kx1 &= 0xff4a;
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
- digctrl_kx1);
- /* Turn off parallel detect */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
- (digctrl_kx2 & ~(1<<2)));
- /* Re-enable parallel detect */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
- (digctrl_kx2 | (1<<2)));
- /* Enable autodet */
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
- (digctrl_kx1 | 0x10));
- }
- static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u8 reset)
- {
- u16 val;
- /* Take lane out of reset after configuration is finished */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC6, &val);
- if (reset)
- val |= 0xC000;
- else
- val &= 0x3FFF;
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC6, val);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL5_MISC6, &val);
- }
- /* Clear SFI/XFI link settings registers */
- static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 lane)
- {
- struct bnx2x *bp = params->bp;
- u16 val16;
- /* Set XFI clock comp as default. */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_CONTROL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
- bnx2x_warpcore_reset_lane(bp, phy, 1);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL1, 0x014a);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_FX100_CTRL3, 0x0800);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
- lane = bnx2x_get_warpcore_lane(phy, params);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX_FIR_TAP, 0x0000);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
- bnx2x_warpcore_reset_lane(bp, phy, 0);
- }
- static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
- u32 chip_id,
- u32 shmem_base, u8 port,
- u8 *gpio_num, u8 *gpio_port)
- {
- u32 cfg_pin;
- *gpio_num = 0;
- *gpio_port = 0;
- if (CHIP_IS_E3(bp)) {
- cfg_pin = (REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_sfp_ctrl)) &
- PORT_HW_CFG_E3_MOD_ABS_MASK) >>
- PORT_HW_CFG_E3_MOD_ABS_SHIFT;
- /*
- * Should not happen. This function called upon interrupt
- * triggered by GPIO ( since EPIO can only generate interrupts
- * to MCP).
- * So if this function was called and none of the GPIOs was set,
- * it means the shit hit the fan.
- */
- if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
- (cfg_pin > PIN_CFG_GPIO3_P1)) {
- DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
- "module detect indication\n",
- cfg_pin);
- return -EINVAL;
- }
- *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
- *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
- } else {
- *gpio_num = MISC_REGISTERS_GPIO_3;
- *gpio_port = port;
- }
- DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
- return 0;
- }
- static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 gpio_num, gpio_port;
- u32 gpio_val;
- if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
- params->shmem_base, params->port,
- &gpio_num, &gpio_port) != 0)
- return 0;
- gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
- /* Call the handling function in case module is detected */
- if (gpio_val == 0)
- return 1;
- else
- return 0;
- }
- static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u32 serdes_net_if;
- u8 fiber_mode;
- u16 lane = bnx2x_get_warpcore_lane(phy, params);
- serdes_net_if = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_hw_config[params->port].default_cfg)) &
- PORT_HW_CFG_NET_SERDES_IF_MASK);
- DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
- "serdes_net_if = 0x%x\n",
- vars->line_speed, serdes_net_if);
- bnx2x_set_aer_mmd(params, phy);
- vars->phy_flags |= PHY_XGXS_FLAG;
- if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
- (phy->req_line_speed &&
- ((phy->req_line_speed == SPEED_100) ||
- (phy->req_line_speed == SPEED_10)))) {
- vars->phy_flags |= PHY_SGMII_FLAG;
- DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
- bnx2x_warpcore_clear_regs(phy, params, lane);
- bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
- } else {
- switch (serdes_net_if) {
- case PORT_HW_CFG_NET_SERDES_IF_KR:
- /* Enable KR Auto Neg */
- if (params->loopback_mode == LOOPBACK_NONE)
- bnx2x_warpcore_enable_AN_KR(phy, params, vars);
- else {
- DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
- bnx2x_warpcore_set_10G_KR(phy, params, vars);
- }
- break;
- case PORT_HW_CFG_NET_SERDES_IF_XFI:
- bnx2x_warpcore_clear_regs(phy, params, lane);
- if (vars->line_speed == SPEED_10000) {
- DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
- bnx2x_warpcore_set_10G_XFI(phy, params, 1);
- } else {
- if (SINGLE_MEDIA_DIRECT(params)) {
- DP(NETIF_MSG_LINK, "1G Fiber\n");
- fiber_mode = 1;
- } else {
- DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
- fiber_mode = 0;
- }
- bnx2x_warpcore_set_sgmii_speed(phy,
- params,
- fiber_mode);
- }
- break;
- case PORT_HW_CFG_NET_SERDES_IF_SFI:
- bnx2x_warpcore_clear_regs(phy, params, lane);
- if (vars->line_speed == SPEED_10000) {
- DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
- bnx2x_warpcore_set_10G_XFI(phy, params, 0);
- } else if (vars->line_speed == SPEED_1000) {
- DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
- bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
- }
- /* Issue Module detection */
- if (bnx2x_is_sfp_module_plugged(phy, params))
- bnx2x_sfp_module_detection(phy, params);
- break;
- case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
- if (vars->line_speed != SPEED_20000) {
- DP(NETIF_MSG_LINK, "Speed not supported yet\n");
- return;
- }
- DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
- bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
- /* Issue Module detection */
- bnx2x_sfp_module_detection(phy, params);
- break;
- case PORT_HW_CFG_NET_SERDES_IF_KR2:
- if (vars->line_speed != SPEED_20000) {
- DP(NETIF_MSG_LINK, "Speed not supported yet\n");
- return;
- }
- DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
- bnx2x_warpcore_set_20G_KR2(bp, phy);
- break;
- default:
- DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
- "0x%x\n", serdes_net_if);
- return;
- }
- }
- /* Take lane out of reset after configuration is finished */
- bnx2x_warpcore_reset_lane(bp, phy, 0);
- DP(NETIF_MSG_LINK, "Exit config init\n");
- }
- static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 tx_en)
- {
- struct bnx2x *bp = params->bp;
- u32 cfg_pin;
- u8 port = params->port;
- cfg_pin = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_sfp_ctrl)) &
- PORT_HW_CFG_TX_LASER_MASK;
- /* Set the !tx_en since this pin is DISABLE_TX_LASER */
- DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
- /* For 20G, the expected pin to be used is 3 pins after the current */
- bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
- if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
- bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
- }
- static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 val16;
- bnx2x_sfp_e3_set_transmitter(params, phy, 0);
- bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
- bnx2x_set_aer_mmd(params, phy);
- /* Global register */
- bnx2x_warpcore_reset_lane(bp, phy, 1);
- /* Clear loopback settings (if any) */
- /* 10G & 20G */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
- 0xBFFF);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
- /* Update those 1-copy registers */
- CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
- MDIO_AER_BLOCK_AER_REG, 0);
- /* Enable 1G MDIO (1-copy) */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
- &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
- val16 & ~0x10);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL2,
- val16 & 0xff00);
- }
- static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 val16;
- u32 lane;
- DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
- params->loopback_mode, phy->req_line_speed);
- if (phy->req_line_speed < SPEED_10000) {
- /* 10/100/1000 */
- /* Update those 1-copy registers */
- CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
- MDIO_AER_BLOCK_AER_REG, 0);
- /* Enable 1G MDIO (1-copy) */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
- &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
- val16 | 0x10);
- /* Set 1G loopback based on lane (1-copy) */
- lane = bnx2x_get_warpcore_lane(phy, params);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_XGXSBLK1_LANECTRL2,
- val16 | (1<<lane));
- /* Switch back to 4-copy registers */
- bnx2x_set_aer_mmd(params, phy);
- /* Global loopback, not recommended. */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
- 0x4000);
- } else {
- /* 10G & 20G */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
- 0x4000);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
- }
- }
- void bnx2x_link_status_update(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 link_10g_plus;
- u8 port = params->port;
- u32 sync_offset, media_types;
- /* Update PHY configuration */
- set_phy_vars(params, vars);
- vars->link_status = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- port_mb[port].link_status));
- vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
- vars->phy_flags = PHY_XGXS_FLAG;
- if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
- vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
- if (vars->link_up) {
- DP(NETIF_MSG_LINK, "phy link up\n");
- vars->phy_link_up = 1;
- vars->duplex = DUPLEX_FULL;
- switch (vars->link_status &
- LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
- case LINK_10THD:
- vars->duplex = DUPLEX_HALF;
- /* fall thru */
- case LINK_10TFD:
- vars->line_speed = SPEED_10;
- break;
- case LINK_100TXHD:
- vars->duplex = DUPLEX_HALF;
- /* fall thru */
- case LINK_100T4:
- case LINK_100TXFD:
- vars->line_speed = SPEED_100;
- break;
- case LINK_1000THD:
- vars->duplex = DUPLEX_HALF;
- /* fall thru */
- case LINK_1000TFD:
- vars->line_speed = SPEED_1000;
- break;
- case LINK_2500THD:
- vars->duplex = DUPLEX_HALF;
- /* fall thru */
- case LINK_2500TFD:
- vars->line_speed = SPEED_2500;
- break;
- case LINK_10GTFD:
- vars->line_speed = SPEED_10000;
- break;
- case LINK_20GTFD:
- vars->line_speed = SPEED_20000;
- break;
- default:
- break;
- }
- vars->flow_ctrl = 0;
- if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
- vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
- if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
- vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
- if (!vars->flow_ctrl)
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- if (vars->line_speed &&
- ((vars->line_speed == SPEED_10) ||
- (vars->line_speed == SPEED_100))) {
- vars->phy_flags |= PHY_SGMII_FLAG;
- } else {
- vars->phy_flags &= ~PHY_SGMII_FLAG;
- }
- if (vars->line_speed &&
- USES_WARPCORE(bp) &&
- (vars->line_speed == SPEED_1000))
- vars->phy_flags |= PHY_SGMII_FLAG;
- /* anything 10 and over uses the bmac */
- link_10g_plus = (vars->line_speed >= SPEED_10000);
- if (link_10g_plus) {
- if (USES_WARPCORE(bp))
- vars->mac_type = MAC_TYPE_XMAC;
- else
- vars->mac_type = MAC_TYPE_BMAC;
- } else {
- if (USES_WARPCORE(bp))
- vars->mac_type = MAC_TYPE_UMAC;
- else
- vars->mac_type = MAC_TYPE_EMAC;
- }
- } else { /* link down */
- DP(NETIF_MSG_LINK, "phy link down\n");
- vars->phy_link_up = 0;
- vars->line_speed = 0;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- /* indicate no mac active */
- vars->mac_type = MAC_TYPE_NONE;
- if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
- vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
- }
- /* Sync media type */
- sync_offset = params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].media_type);
- media_types = REG_RD(bp, sync_offset);
- params->phy[INT_PHY].media_type =
- (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
- PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
- params->phy[EXT_PHY1].media_type =
- (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
- PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
- params->phy[EXT_PHY2].media_type =
- (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
- PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
- DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
- /* Sync AEU offset */
- sync_offset = params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].aeu_int_mask);
- vars->aeu_int_mask = REG_RD(bp, sync_offset);
- /* Sync PFC status */
- if (vars->link_status & LINK_STATUS_PFC_ENABLED)
- params->feature_config_flags |=
- FEATURE_CONFIG_PFC_ENABLED;
- else
- params->feature_config_flags &=
- ~FEATURE_CONFIG_PFC_ENABLED;
- DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
- vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
- DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
- vars->line_speed, vars->duplex, vars->flow_ctrl);
- }
- static void bnx2x_set_master_ln(struct link_params *params,
- struct bnx2x_phy *phy)
- {
- struct bnx2x *bp = params->bp;
- u16 new_master_ln, ser_lane;
- ser_lane = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
- /* set the master_ln for AN */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
- &new_master_ln);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2 ,
- MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
- (new_master_ln | ser_lane));
- }
- static int bnx2x_reset_unicore(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 set_serdes)
- {
- struct bnx2x *bp = params->bp;
- u16 mii_control;
- u16 i;
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
- /* reset the unicore */
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- (mii_control |
- MDIO_COMBO_IEEO_MII_CONTROL_RESET));
- if (set_serdes)
- bnx2x_set_serdes_access(bp, params->port);
- /* wait for the reset to self clear */
- for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
- udelay(5);
- /* the reset erased the previous bank value */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- &mii_control);
- if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
- udelay(5);
- return 0;
- }
- }
- netdev_err(bp->dev, "Warning: PHY was not initialized,"
- " Port %d\n",
- params->port);
- DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
- return -EINVAL;
- }
- static void bnx2x_set_swap_lanes(struct link_params *params,
- struct bnx2x_phy *phy)
- {
- struct bnx2x *bp = params->bp;
- /*
- * Each two bits represents a lane number:
- * No swap is 0123 => 0x1b no need to enable the swap
- */
- u16 ser_lane, rx_lane_swap, tx_lane_swap;
- ser_lane = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
- rx_lane_swap = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
- tx_lane_swap = ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
- if (rx_lane_swap != 0x1b) {
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_RX_LN_SWAP,
- (rx_lane_swap |
- MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
- MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
- } else {
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
- }
- if (tx_lane_swap != 0x1b) {
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_TX_LN_SWAP,
- (tx_lane_swap |
- MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
- } else {
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
- }
- }
- static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 control2;
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
- &control2);
- if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
- control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
- else
- control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
- DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
- phy->speed_cap_mask, control2);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
- control2);
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
- DP(NETIF_MSG_LINK, "XGXS\n");
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_10G_PARALLEL_DETECT,
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_10G_PARALLEL_DETECT,
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
- &control2);
- control2 |=
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_10G_PARALLEL_DETECT,
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
- control2);
- /* Disable parallel detection of HiG */
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_XGXS_BLOCK2,
- MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
- MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
- MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
- }
- }
- static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars,
- u8 enable_cl73)
- {
- struct bnx2x *bp = params->bp;
- u16 reg_val;
- /* CL37 Autoneg */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
- /* CL37 Autoneg Enabled */
- if (vars->line_speed == SPEED_AUTO_NEG)
- reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
- else /* CL37 Autoneg Disabled */
- reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
- MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
- /* Enable/Disable Autodetection */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
- reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
- reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
- if (vars->line_speed == SPEED_AUTO_NEG)
- reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
- else
- reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
- /* Enable TetonII and BAM autoneg */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_BAM_NEXT_PAGE,
- MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
- ®_val);
- if (vars->line_speed == SPEED_AUTO_NEG) {
- /* Enable BAM aneg Mode and TetonII aneg Mode */
- reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
- MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
- } else {
- /* TetonII and BAM Autoneg Disabled */
- reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
- MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
- }
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_BAM_NEXT_PAGE,
- MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
- reg_val);
- if (enable_cl73) {
- /* Enable Cl73 FSM status bits */
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_USERB0,
- MDIO_CL73_USERB0_CL73_UCTRL,
- 0xe);
- /* Enable BAM Station Manager*/
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_USERB0,
- MDIO_CL73_USERB0_CL73_BAM_CTRL1,
- MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
- MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
- MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
- /* Advertise CL73 link speeds */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_ADV2,
- ®_val);
- if (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
- reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
- if (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
- reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_ADV2,
- reg_val);
- /* CL73 Autoneg Enabled */
- reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
- } else /* CL73 Autoneg Disabled */
- reg_val = 0;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB0,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
- }
- /* program SerDes, forced speed */
- static void bnx2x_program_serdes(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 reg_val;
- /* program duplex, disable autoneg and sgmii*/
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
- reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
- MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
- MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
- if (phy->req_duplex == DUPLEX_FULL)
- reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
- /*
- * program speed
- * - needed only if the speed is greater than 1G (2.5G or 10G)
- */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_MISC1, ®_val);
- /* clearing the speed value before setting the right speed */
- DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
- reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
- MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
- if (!((vars->line_speed == SPEED_1000) ||
- (vars->line_speed == SPEED_100) ||
- (vars->line_speed == SPEED_10))) {
- reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
- MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
- if (vars->line_speed == SPEED_10000)
- reg_val |=
- MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
- }
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_MISC1, reg_val);
- }
- static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 val = 0;
- /* configure the 48 bits for BAM AN */
- /* set extended capabilities */
- if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
- val |= MDIO_OVER_1G_UP1_2_5G;
- if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
- val |= MDIO_OVER_1G_UP1_10G;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_OVER_1G,
- MDIO_OVER_1G_UP1, val);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_OVER_1G,
- MDIO_OVER_1G_UP3, 0x400);
- }
- static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 ieee_fc)
- {
- struct bnx2x *bp = params->bp;
- u16 val;
- /* for AN, we are always publishing full duplex */
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_ADV1, &val);
- val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
- val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_ADV1, val);
- }
- static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
- struct link_params *params,
- u8 enable_cl73)
- {
- struct bnx2x *bp = params->bp;
- u16 mii_control;
- DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
- /* Enable and restart BAM/CL37 aneg */
- if (enable_cl73) {
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB0,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
- &mii_control);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB0,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
- (mii_control |
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
- } else {
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- &mii_control);
- DP(NETIF_MSG_LINK,
- "bnx2x_restart_autoneg mii_control before = 0x%x\n",
- mii_control);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- (mii_control |
- MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
- MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
- }
- }
- static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 control1;
- /* in SGMII mode, the unicore is always slave */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
- &control1);
- control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
- /* set sgmii mode (and not fiber) */
- control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
- control1);
- /* if forced speed */
- if (!(vars->line_speed == SPEED_AUTO_NEG)) {
- /* set speed, disable autoneg */
- u16 mii_control;
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- &mii_control);
- mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
- MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
- MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
- switch (vars->line_speed) {
- case SPEED_100:
- mii_control |=
- MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
- break;
- case SPEED_1000:
- mii_control |=
- MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
- break;
- case SPEED_10:
- /* there is nothing to set for 10M */
- break;
- default:
- /* invalid speed for SGMII */
- DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
- vars->line_speed);
- break;
- }
- /* setting the full duplex */
- if (phy->req_duplex == DUPLEX_FULL)
- mii_control |=
- MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_MII_CONTROL,
- mii_control);
- } else { /* AN mode */
- /* enable and restart AN */
- bnx2x_restart_autoneg(phy, params, 0);
- }
- }
- /*
- * link management
- */
- static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 pd_10g, status2_1000x;
- if (phy->req_line_speed != SPEED_AUTO_NEG)
- return 0;
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
- &status2_1000x);
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_SERDES_DIGITAL,
- MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
- &status2_1000x);
- if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
- DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
- params->port);
- return 1;
- }
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_10G_PARALLEL_DETECT,
- MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
- &pd_10g);
- if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
- DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
- params->port);
- return 1;
- }
- return 0;
- }
- static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars,
- u32 gp_status)
- {
- struct bnx2x *bp = params->bp;
- u16 ld_pause; /* local driver */
- u16 lp_pause; /* link partner */
- u16 pause_result;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- /* resolve from gp_status in case of AN complete and not sgmii */
- if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
- vars->flow_ctrl = phy->req_flow_ctrl;
- else if (phy->req_line_speed != SPEED_AUTO_NEG)
- vars->flow_ctrl = params->req_fc_auto_adv;
- else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
- (!(vars->phy_flags & PHY_SGMII_FLAG))) {
- if (bnx2x_direct_parallel_detect_used(phy, params)) {
- vars->flow_ctrl = params->req_fc_auto_adv;
- return;
- }
- if ((gp_status &
- (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
- MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
- (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
- MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_ADV1,
- &ld_pause);
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB1,
- MDIO_CL73_IEEEB1_AN_LP_ADV1,
- &lp_pause);
- pause_result = (ld_pause &
- MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
- >> 8;
- pause_result |= (lp_pause &
- MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
- >> 10;
- DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
- pause_result);
- } else {
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
- &ld_pause);
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
- &lp_pause);
- pause_result = (ld_pause &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
- pause_result |= (lp_pause &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
- DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
- pause_result);
- }
- bnx2x_pause_resolve(vars, pause_result);
- }
- DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
- }
- static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 rx_status, ustat_val, cl37_fsm_received;
- DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
- /* Step 1: Make sure signal is detected */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_RX0,
- MDIO_RX0_RX_STATUS,
- &rx_status);
- if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
- (MDIO_RX0_RX_STATUS_SIGDET)) {
- DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
- "rx_status(0x80b0) = 0x%x\n", rx_status);
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB0,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
- return;
- }
- /* Step 2: Check CL73 state machine */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_USERB0,
- MDIO_CL73_USERB0_CL73_USTAT1,
- &ustat_val);
- if ((ustat_val &
- (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
- MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
- (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
- MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
- DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
- "ustat_val(0x8371) = 0x%x\n", ustat_val);
- return;
- }
- /*
- * Step 3: Check CL37 Message Pages received to indicate LP
- * supports only CL37
- */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_REMOTE_PHY,
- MDIO_REMOTE_PHY_MISC_RX_STATUS,
- &cl37_fsm_received);
- if ((cl37_fsm_received &
- (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
- MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
- (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
- MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
- DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
- "misc_rx_status(0x8330) = 0x%x\n",
- cl37_fsm_received);
- return;
- }
- /*
- * The combined cl37/cl73 fsm state information indicating that
- * we are connected to a device which does not support cl73, but
- * does support cl37 BAM. In this case we disable cl73 and
- * restart cl37 auto-neg
- */
- /* Disable CL73 */
- CL22_WR_OVER_CL45(bp, phy,
- MDIO_REG_BANK_CL73_IEEEB0,
- MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
- 0);
- /* Restart CL37 autoneg */
- bnx2x_restart_autoneg(phy, params, 0);
- DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
- }
- static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars,
- u32 gp_status)
- {
- if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
- vars->link_status |=
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
- if (bnx2x_direct_parallel_detect_used(phy, params))
- vars->link_status |=
- LINK_STATUS_PARALLEL_DETECTION_USED;
- }
- static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars,
- u16 is_link_up,
- u16 speed_mask,
- u16 is_duplex)
- {
- struct bnx2x *bp = params->bp;
- if (phy->req_line_speed == SPEED_AUTO_NEG)
- vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
- if (is_link_up) {
- DP(NETIF_MSG_LINK, "phy link up\n");
- vars->phy_link_up = 1;
- vars->link_status |= LINK_STATUS_LINK_UP;
- switch (speed_mask) {
- case GP_STATUS_10M:
- vars->line_speed = SPEED_10;
- if (vars->duplex == DUPLEX_FULL)
- vars->link_status |= LINK_10TFD;
- else
- vars->link_status |= LINK_10THD;
- break;
- case GP_STATUS_100M:
- vars->line_speed = SPEED_100;
- if (vars->duplex == DUPLEX_FULL)
- vars->link_status |= LINK_100TXFD;
- else
- vars->link_status |= LINK_100TXHD;
- break;
- case GP_STATUS_1G:
- case GP_STATUS_1G_KX:
- vars->line_speed = SPEED_1000;
- if (vars->duplex == DUPLEX_FULL)
- vars->link_status |= LINK_1000TFD;
- else
- vars->link_status |= LINK_1000THD;
- break;
- case GP_STATUS_2_5G:
- vars->line_speed = SPEED_2500;
- if (vars->duplex == DUPLEX_FULL)
- vars->link_status |= LINK_2500TFD;
- else
- vars->link_status |= LINK_2500THD;
- break;
- case GP_STATUS_5G:
- case GP_STATUS_6G:
- DP(NETIF_MSG_LINK,
- "link speed unsupported gp_status 0x%x\n",
- speed_mask);
- return -EINVAL;
- case GP_STATUS_10G_KX4:
- case GP_STATUS_10G_HIG:
- case GP_STATUS_10G_CX4:
- case GP_STATUS_10G_KR:
- case GP_STATUS_10G_SFI:
- case GP_STATUS_10G_XFI:
- vars->line_speed = SPEED_10000;
- vars->link_status |= LINK_10GTFD;
- break;
- case GP_STATUS_20G_DXGXS:
- vars->line_speed = SPEED_20000;
- vars->link_status |= LINK_20GTFD;
- break;
- default:
- DP(NETIF_MSG_LINK,
- "link speed unsupported gp_status 0x%x\n",
- speed_mask);
- return -EINVAL;
- }
- } else { /* link_down */
- DP(NETIF_MSG_LINK, "phy link down\n");
- vars->phy_link_up = 0;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_NONE;
- }
- DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
- vars->phy_link_up, vars->line_speed);
- return 0;
- }
- static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
- int rc = 0;
- /* Read gp_status */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_GP_STATUS,
- MDIO_GP_STATUS_TOP_AN_STATUS1,
- &gp_status);
- if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
- duplex = DUPLEX_FULL;
- if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
- link_up = 1;
- speed_mask = gp_status & GP_STATUS_SPEED_MASK;
- DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
- gp_status, link_up, speed_mask);
- rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
- duplex);
- if (rc == -EINVAL)
- return rc;
- if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
- if (SINGLE_MEDIA_DIRECT(params)) {
- bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
- if (phy->req_line_speed == SPEED_AUTO_NEG)
- bnx2x_xgxs_an_resolve(phy, params, vars,
- gp_status);
- }
- } else { /* link_down */
- if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
- SINGLE_MEDIA_DIRECT(params)) {
- /* Check signal is detected */
- bnx2x_check_fallback_to_cl37(phy, params);
- }
- }
- DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
- vars->duplex, vars->flow_ctrl, vars->link_status);
- return rc;
- }
- static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 lane;
- u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
- int rc = 0;
- lane = bnx2x_get_warpcore_lane(phy, params);
- /* Read gp_status */
- if (phy->req_line_speed > SPEED_10000) {
- u16 temp_link_up;
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- 1, &temp_link_up);
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- 1, &link_up);
- DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
- temp_link_up, link_up);
- link_up &= (1<<2);
- if (link_up)
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- } else {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
- DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
- /* Check for either KR or generic link up. */
- gp_status1 = ((gp_status1 >> 8) & 0xf) |
- ((gp_status1 >> 12) & 0xf);
- link_up = gp_status1 & (1 << lane);
- if (link_up && SINGLE_MEDIA_DIRECT(params)) {
- u16 pd, gp_status4;
- if (phy->req_line_speed == SPEED_AUTO_NEG) {
- /* Check Autoneg complete */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_4,
- &gp_status4);
- if (gp_status4 & ((1<<12)<<lane))
- vars->link_status |=
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
- /* Check parallel detect used */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_PAR_DET_10G_STATUS,
- &pd);
- if (pd & (1<<15))
- vars->link_status |=
- LINK_STATUS_PARALLEL_DETECTION_USED;
- }
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- }
- }
- if (lane < 2) {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
- } else {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
- }
- DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
- if ((lane & 1) == 0)
- gp_speed <<= 8;
- gp_speed &= 0x3f00;
- rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
- duplex);
- DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
- vars->duplex, vars->flow_ctrl, vars->link_status);
- return rc;
- }
- static void bnx2x_set_gmii_tx_driver(struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
- u16 lp_up2;
- u16 tx_driver;
- u16 bank;
- /* read precomp */
- CL22_RD_OVER_CL45(bp, phy,
- MDIO_REG_BANK_OVER_1G,
- MDIO_OVER_1G_LP_UP2, &lp_up2);
- /* bits [10:7] at lp_up2, positioned at [15:12] */
- lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
- MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
- MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
- if (lp_up2 == 0)
- return;
- for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
- bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
- CL22_RD_OVER_CL45(bp, phy,
- bank,
- MDIO_TX0_TX_DRIVER, &tx_driver);
- /* replace tx_driver bits [15:12] */
- if (lp_up2 !=
- (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
- tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
- tx_driver |= lp_up2;
- CL22_WR_OVER_CL45(bp, phy,
- bank,
- MDIO_TX0_TX_DRIVER, tx_driver);
- }
- }
- }
- static int bnx2x_emac_program(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u16 mode = 0;
- DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
- bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
- EMAC_REG_EMAC_MODE,
- (EMAC_MODE_25G_MODE |
- EMAC_MODE_PORT_MII_10M |
- EMAC_MODE_HALF_DUPLEX));
- switch (vars->line_speed) {
- case SPEED_10:
- mode |= EMAC_MODE_PORT_MII_10M;
- break;
- case SPEED_100:
- mode |= EMAC_MODE_PORT_MII;
- break;
- case SPEED_1000:
- mode |= EMAC_MODE_PORT_GMII;
- break;
- case SPEED_2500:
- mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
- break;
- default:
- /* 10G not valid for EMAC */
- DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
- vars->line_speed);
- return -EINVAL;
- }
- if (vars->duplex == DUPLEX_HALF)
- mode |= EMAC_MODE_HALF_DUPLEX;
- bnx2x_bits_en(bp,
- GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
- mode);
- bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
- return 0;
- }
- static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u16 bank, i = 0;
- struct bnx2x *bp = params->bp;
- for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
- bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
- CL22_WR_OVER_CL45(bp, phy,
- bank,
- MDIO_RX0_RX_EQ_BOOST,
- phy->rx_preemphasis[i]);
- }
- for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
- bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
- CL22_WR_OVER_CL45(bp, phy,
- bank,
- MDIO_TX0_TX_DRIVER,
- phy->tx_preemphasis[i]);
- }
- }
- static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
- (params->loopback_mode == LOOPBACK_XGXS));
- if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
- if (SINGLE_MEDIA_DIRECT(params) &&
- (params->feature_config_flags &
- FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
- bnx2x_set_preemphasis(phy, params);
- /* forced speed requested? */
- if (vars->line_speed != SPEED_AUTO_NEG ||
- (SINGLE_MEDIA_DIRECT(params) &&
- params->loopback_mode == LOOPBACK_EXT)) {
- DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
- /* disable autoneg */
- bnx2x_set_autoneg(phy, params, vars, 0);
- /* program speed and duplex */
- bnx2x_program_serdes(phy, params, vars);
- } else { /* AN_mode */
- DP(NETIF_MSG_LINK, "not SGMII, AN\n");
- /* AN enabled */
- bnx2x_set_brcm_cl37_advertisement(phy, params);
- /* program duplex & pause advertisement (for aneg) */
- bnx2x_set_ieee_aneg_advertisement(phy, params,
- vars->ieee_fc);
- /* enable autoneg */
- bnx2x_set_autoneg(phy, params, vars, enable_cl73);
- /* enable and restart AN */
- bnx2x_restart_autoneg(phy, params, enable_cl73);
- }
- } else { /* SGMII mode */
- DP(NETIF_MSG_LINK, "SGMII\n");
- bnx2x_initialize_sgmii_process(phy, params, vars);
- }
- }
- static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- int rc;
- vars->phy_flags |= PHY_XGXS_FLAG;
- if ((phy->req_line_speed &&
- ((phy->req_line_speed == SPEED_100) ||
- (phy->req_line_speed == SPEED_10))) ||
- (!phy->req_line_speed &&
- (phy->speed_cap_mask >=
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
- (phy->speed_cap_mask <
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
- (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
- vars->phy_flags |= PHY_SGMII_FLAG;
- else
- vars->phy_flags &= ~PHY_SGMII_FLAG;
- bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
- bnx2x_set_aer_mmd(params, phy);
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
- bnx2x_set_master_ln(params, phy);
- rc = bnx2x_reset_unicore(params, phy, 0);
- /* reset the SerDes and wait for reset bit return low */
- if (rc != 0)
- return rc;
- bnx2x_set_aer_mmd(params, phy);
- /* setting the masterLn_def again after the reset */
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
- bnx2x_set_master_ln(params, phy);
- bnx2x_set_swap_lanes(params, phy);
- }
- return rc;
- }
- static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u16 cnt, ctrl;
- /* Wait for soft reset to get cleared up to 1 sec */
- for (cnt = 0; cnt < 1000; cnt++) {
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
- bnx2x_cl22_read(bp, phy,
- MDIO_PMA_REG_CTRL, &ctrl);
- else
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL, &ctrl);
- if (!(ctrl & (1<<15)))
- break;
- msleep(1);
- }
- if (cnt == 1000)
- netdev_err(bp->dev, "Warning: PHY was not initialized,"
- " Port %d\n",
- params->port);
- DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
- return cnt;
- }
- static void bnx2x_link_int_enable(struct link_params *params)
- {
- u8 port = params->port;
- u32 mask;
- struct bnx2x *bp = params->bp;
- /* Setting the status to report on link up for either XGXS or SerDes */
- if (CHIP_IS_E3(bp)) {
- mask = NIG_MASK_XGXS0_LINK_STATUS;
- if (!(SINGLE_MEDIA_DIRECT(params)))
- mask |= NIG_MASK_MI_INT;
- } else if (params->switch_cfg == SWITCH_CFG_10G) {
- mask = (NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_XGXS0_LINK_STATUS);
- DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
- if (!(SINGLE_MEDIA_DIRECT(params)) &&
- params->phy[INT_PHY].type !=
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
- mask |= NIG_MASK_MI_INT;
- DP(NETIF_MSG_LINK, "enabled external phy int\n");
- }
- } else { /* SerDes */
- mask = NIG_MASK_SERDES0_LINK_STATUS;
- DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
- if (!(SINGLE_MEDIA_DIRECT(params)) &&
- params->phy[INT_PHY].type !=
- PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
- mask |= NIG_MASK_MI_INT;
- DP(NETIF_MSG_LINK, "enabled external phy int\n");
- }
- }
- bnx2x_bits_en(bp,
- NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
- mask);
- DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
- (params->switch_cfg == SWITCH_CFG_10G),
- REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
- DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
- REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
- REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
- REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
- DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
- REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
- REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
- }
- static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
- u8 exp_mi_int)
- {
- u32 latch_status = 0;
- /*
- * Disable the MI INT ( external phy int ) by writing 1 to the
- * status register. Link down indication is high-active-signal,
- * so in this case we need to write the status to clear the XOR
- */
- /* Read Latched signals */
- latch_status = REG_RD(bp,
- NIG_REG_LATCH_STATUS_0 + port*8);
- DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
- /* Handle only those with latched-signal=up.*/
- if (exp_mi_int)
- bnx2x_bits_en(bp,
- NIG_REG_STATUS_INTERRUPT_PORT0
- + port*4,
- NIG_STATUS_EMAC0_MI_INT);
- else
- bnx2x_bits_dis(bp,
- NIG_REG_STATUS_INTERRUPT_PORT0
- + port*4,
- NIG_STATUS_EMAC0_MI_INT);
- if (latch_status & 1) {
- /* For all latched-signal=up : Re-Arm Latch signals */
- REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
- (latch_status & 0xfffe) | (latch_status & 1));
- }
- /* For all latched-signal=up,Write original_signal to status */
- }
- static void bnx2x_link_int_ack(struct link_params *params,
- struct link_vars *vars, u8 is_10g_plus)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- u32 mask;
- /*
- * First reset all status we assume only one line will be
- * change at a time
- */
- bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
- (NIG_STATUS_XGXS0_LINK10G |
- NIG_STATUS_XGXS0_LINK_STATUS |
- NIG_STATUS_SERDES0_LINK_STATUS));
- if (vars->phy_link_up) {
- if (USES_WARPCORE(bp))
- mask = NIG_STATUS_XGXS0_LINK_STATUS;
- else {
- if (is_10g_plus)
- mask = NIG_STATUS_XGXS0_LINK10G;
- else if (params->switch_cfg == SWITCH_CFG_10G) {
- /*
- * Disable the link interrupt by writing 1 to
- * the relevant lane in the status register
- */
- u32 ser_lane =
- ((params->lane_config &
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
- PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
- mask = ((1 << ser_lane) <<
- NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
- } else
- mask = NIG_STATUS_SERDES0_LINK_STATUS;
- }
- DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
- mask);
- bnx2x_bits_en(bp,
- NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
- mask);
- }
- }
- static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
- {
- u8 *str_ptr = str;
- u32 mask = 0xf0000000;
- u8 shift = 8*4;
- u8 digit;
- u8 remove_leading_zeros = 1;
- if (*len < 10) {
- /* Need more than 10chars for this format */
- *str_ptr = '\0';
- (*len)--;
- return -EINVAL;
- }
- while (shift > 0) {
- shift -= 4;
- digit = ((num & mask) >> shift);
- if (digit == 0 && remove_leading_zeros) {
- mask = mask >> 4;
- continue;
- } else if (digit < 0xa)
- *str_ptr = digit + '0';
- else
- *str_ptr = digit - 0xa + 'a';
- remove_leading_zeros = 0;
- str_ptr++;
- (*len)--;
- mask = mask >> 4;
- if (shift == 4*4) {
- *str_ptr = '.';
- str_ptr++;
- (*len)--;
- remove_leading_zeros = 1;
- }
- }
- return 0;
- }
- static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
- {
- str[0] = '\0';
- (*len)--;
- return 0;
- }
- int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
- u8 *version, u16 len)
- {
- struct bnx2x *bp;
- u32 spirom_ver = 0;
- int status = 0;
- u8 *ver_p = version;
- u16 remain_len = len;
- if (version == NULL || params == NULL)
- return -EINVAL;
- bp = params->bp;
- /* Extract first external phy*/
- version[0] = '\0';
- spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
- if (params->phy[EXT_PHY1].format_fw_ver) {
- status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
- ver_p,
- &remain_len);
- ver_p += (len - remain_len);
- }
- if ((params->num_phys == MAX_PHYS) &&
- (params->phy[EXT_PHY2].ver_addr != 0)) {
- spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
- if (params->phy[EXT_PHY2].format_fw_ver) {
- *ver_p = '/';
- ver_p++;
- remain_len--;
- status |= params->phy[EXT_PHY2].format_fw_ver(
- spirom_ver,
- ver_p,
- &remain_len);
- ver_p = version + (len - remain_len);
- }
- }
- *ver_p = '\0';
- return status;
- }
- static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u8 port = params->port;
- struct bnx2x *bp = params->bp;
- if (phy->req_line_speed != SPEED_1000) {
- u32 md_devad = 0;
- DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
- if (!CHIP_IS_E3(bp)) {
- /* change the uni_phy_addr in the nig */
- md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
- port*0x18));
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
- 0x5);
- }
- bnx2x_cl45_write(bp, phy,
- 5,
- (MDIO_REG_BANK_AER_BLOCK +
- (MDIO_AER_BLOCK_AER_REG & 0xf)),
- 0x2800);
- bnx2x_cl45_write(bp, phy,
- 5,
- (MDIO_REG_BANK_CL73_IEEEB0 +
- (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
- 0x6041);
- msleep(200);
- /* set aer mmd back */
- bnx2x_set_aer_mmd(params, phy);
- if (!CHIP_IS_E3(bp)) {
- /* and md_devad */
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
- md_devad);
- }
- } else {
- u16 mii_ctrl;
- DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
- bnx2x_cl45_read(bp, phy, 5,
- (MDIO_REG_BANK_COMBO_IEEE0 +
- (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
- &mii_ctrl);
- bnx2x_cl45_write(bp, phy, 5,
- (MDIO_REG_BANK_COMBO_IEEE0 +
- (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
- mii_ctrl |
- MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
- }
- }
- int bnx2x_set_led(struct link_params *params,
- struct link_vars *vars, u8 mode, u32 speed)
- {
- u8 port = params->port;
- u16 hw_led_mode = params->hw_led_mode;
- int rc = 0;
- u8 phy_idx;
- u32 tmp;
- u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
- DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
- speed, hw_led_mode);
- /* In case */
- for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
- if (params->phy[phy_idx].set_link_led) {
- params->phy[phy_idx].set_link_led(
- ¶ms->phy[phy_idx], params, mode);
- }
- }
- switch (mode) {
- case LED_MODE_FRONT_PANEL_OFF:
- case LED_MODE_OFF:
- REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
- SHARED_HW_CFG_LED_MAC1);
- tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
- EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
- break;
- case LED_MODE_OPER:
- /*
- * For all other phys, OPER mode is same as ON, so in case
- * link is down, do nothing
- */
- if (!vars->link_up)
- break;
- case LED_MODE_ON:
- if (((params->phy[EXT_PHY1].type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
- (params->phy[EXT_PHY1].type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
- CHIP_IS_E2(bp) && params->num_phys == 2) {
- /*
- * This is a work-around for E2+8727 Configurations
- */
- if (mode == LED_MODE_ON ||
- speed == SPEED_10000){
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
- REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
- tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
- EMAC_WR(bp, EMAC_REG_EMAC_LED,
- (tmp | EMAC_LED_OVERRIDE));
- /*
- * return here without enabling traffic
- * LED blink andsetting rate in ON mode.
- * In oper mode, enabling LED blink
- * and setting rate is needed.
- */
- if (mode == LED_MODE_ON)
- return rc;
- }
- } else if (SINGLE_MEDIA_DIRECT(params)) {
- /*
- * This is a work-around for HW issue found when link
- * is up in CL73
- */
- REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
- if (CHIP_IS_E1x(bp) ||
- CHIP_IS_E2(bp) ||
- (mode == LED_MODE_ON))
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
- else
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
- hw_led_mode);
- } else
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
- REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
- /* Set blinking rate to ~15.9Hz */
- REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
- LED_BLINK_RATE_VAL);
- REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
- port*4, 1);
- tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
- EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
- if (CHIP_IS_E1(bp) &&
- ((speed == SPEED_2500) ||
- (speed == SPEED_1000) ||
- (speed == SPEED_100) ||
- (speed == SPEED_10))) {
- /*
- * On Everest 1 Ax chip versions for speeds less than
- * 10G LED scheme is different
- */
- REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
- + port*4, 1);
- REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
- port*4, 0);
- REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
- port*4, 1);
- }
- break;
- default:
- rc = -EINVAL;
- DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
- mode);
- break;
- }
- return rc;
- }
- /*
- * This function comes to reflect the actual link state read DIRECTLY from the
- * HW
- */
- int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
- u8 is_serdes)
- {
- struct bnx2x *bp = params->bp;
- u16 gp_status = 0, phy_index = 0;
- u8 ext_phy_link_up = 0, serdes_phy_type;
- struct link_vars temp_vars;
- struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
- if (CHIP_IS_E3(bp)) {
- u16 link_up;
- if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
- > SPEED_10000) {
- /* Check 20G link */
- bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
- 1, &link_up);
- bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
- 1, &link_up);
- link_up &= (1<<2);
- } else {
- /* Check 10G link and below*/
- u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
- bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_1,
- &gp_status);
- gp_status = ((gp_status >> 8) & 0xf) |
- ((gp_status >> 12) & 0xf);
- link_up = gp_status & (1 << lane);
- }
- if (!link_up)
- return -ESRCH;
- } else {
- CL22_RD_OVER_CL45(bp, int_phy,
- MDIO_REG_BANK_GP_STATUS,
- MDIO_GP_STATUS_TOP_AN_STATUS1,
- &gp_status);
- /* link is up only if both local phy and external phy are up */
- if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
- return -ESRCH;
- }
- /* In XGXS loopback mode, do not check external PHY */
- if (params->loopback_mode == LOOPBACK_XGXS)
- return 0;
- switch (params->num_phys) {
- case 1:
- /* No external PHY */
- return 0;
- case 2:
- ext_phy_link_up = params->phy[EXT_PHY1].read_status(
- ¶ms->phy[EXT_PHY1],
- params, &temp_vars);
- break;
- case 3: /* Dual Media */
- for (phy_index = EXT_PHY1; phy_index < params->num_phys;
- phy_index++) {
- serdes_phy_type = ((params->phy[phy_index].media_type ==
- ETH_PHY_SFP_FIBER) ||
- (params->phy[phy_index].media_type ==
- ETH_PHY_XFP_FIBER) ||
- (params->phy[phy_index].media_type ==
- ETH_PHY_DA_TWINAX));
- if (is_serdes != serdes_phy_type)
- continue;
- if (params->phy[phy_index].read_status) {
- ext_phy_link_up |=
- params->phy[phy_index].read_status(
- ¶ms->phy[phy_index],
- params, &temp_vars);
- }
- }
- break;
- }
- if (ext_phy_link_up)
- return 0;
- return -ESRCH;
- }
- static int bnx2x_link_initialize(struct link_params *params,
- struct link_vars *vars)
- {
- int rc = 0;
- u8 phy_index, non_ext_phy;
- struct bnx2x *bp = params->bp;
- /*
- * In case of external phy existence, the line speed would be the
- * line speed linked up by the external phy. In case it is direct
- * only, then the line_speed during initialization will be
- * equal to the req_line_speed
- */
- vars->line_speed = params->phy[INT_PHY].req_line_speed;
- /*
- * Initialize the internal phy in case this is a direct board
- * (no external phys), or this board has external phy which requires
- * to first.
- */
- if (!USES_WARPCORE(bp))
- bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
- /* init ext phy and enable link state int */
- non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
- (params->loopback_mode == LOOPBACK_XGXS));
- if (non_ext_phy ||
- (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
- (params->loopback_mode == LOOPBACK_EXT_PHY)) {
- struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
- if (vars->line_speed == SPEED_AUTO_NEG &&
- (CHIP_IS_E1x(bp) ||
- CHIP_IS_E2(bp)))
- bnx2x_set_parallel_detection(phy, params);
- if (params->phy[INT_PHY].config_init)
- params->phy[INT_PHY].config_init(phy,
- params,
- vars);
- }
- /* Init external phy*/
- if (non_ext_phy) {
- if (params->phy[INT_PHY].supported &
- SUPPORTED_FIBRE)
- vars->link_status |= LINK_STATUS_SERDES_LINK;
- } else {
- for (phy_index = EXT_PHY1; phy_index < params->num_phys;
- phy_index++) {
- /*
- * No need to initialize second phy in case of first
- * phy only selection. In case of second phy, we do
- * need to initialize the first phy, since they are
- * connected.
- */
- if (params->phy[phy_index].supported &
- SUPPORTED_FIBRE)
- vars->link_status |= LINK_STATUS_SERDES_LINK;
- if (phy_index == EXT_PHY2 &&
- (bnx2x_phy_selection(params) ==
- PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
- DP(NETIF_MSG_LINK, "Not initializing"
- " second phy\n");
- continue;
- }
- params->phy[phy_index].config_init(
- ¶ms->phy[phy_index],
- params, vars);
- }
- }
- /* Reset the interrupt indication after phy was initialized */
- bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
- params->port*4,
- (NIG_STATUS_XGXS0_LINK10G |
- NIG_STATUS_XGXS0_LINK_STATUS |
- NIG_STATUS_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- bnx2x_update_mng(params, vars->link_status);
- return rc;
- }
- static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- /* reset the SerDes/XGXS */
- REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
- (0x1ff << (params->port*16)));
- }
- static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 gpio_port;
- /* HW reset */
- if (CHIP_IS_E2(bp))
- gpio_port = BP_PATH(bp);
- else
- gpio_port = params->port;
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW,
- gpio_port);
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW,
- gpio_port);
- DP(NETIF_MSG_LINK, "reset external PHY\n");
- }
- static int bnx2x_update_link_down(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
- bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
- vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
- /* indicate no mac active */
- vars->mac_type = MAC_TYPE_NONE;
- /* update shared memory */
- vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
- LINK_STATUS_LINK_UP |
- LINK_STATUS_PHYSICAL_LINK_FLAG |
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
- LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
- LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
- LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
- vars->line_speed = 0;
- bnx2x_update_mng(params, vars->link_status);
- /* activate nig drain */
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
- /* disable emac */
- if (!CHIP_IS_E3(bp))
- REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
- msleep(10);
- /* reset BigMac/Xmac */
- if (CHIP_IS_E1x(bp) ||
- CHIP_IS_E2(bp)) {
- bnx2x_bmac_rx_disable(bp, params->port);
- REG_WR(bp, GRCBASE_MISC +
- MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
- }
- if (CHIP_IS_E3(bp))
- bnx2x_xmac_disable(params);
- return 0;
- }
- static int bnx2x_update_link_up(struct link_params *params,
- struct link_vars *vars,
- u8 link_10g)
- {
- struct bnx2x *bp = params->bp;
- u8 port = params->port;
- int rc = 0;
- vars->link_status |= (LINK_STATUS_LINK_UP |
- LINK_STATUS_PHYSICAL_LINK_FLAG);
- vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
- vars->link_status |=
- LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
- if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
- vars->link_status |=
- LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
- if (USES_WARPCORE(bp)) {
- if (link_10g) {
- if (bnx2x_xmac_enable(params, vars, 0) ==
- -ESRCH) {
- DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
- vars->link_up = 0;
- vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
- vars->link_status &= ~LINK_STATUS_LINK_UP;
- }
- } else
- bnx2x_umac_enable(params, vars, 0);
- bnx2x_set_led(params, vars,
- LED_MODE_OPER, vars->line_speed);
- }
- if ((CHIP_IS_E1x(bp) ||
- CHIP_IS_E2(bp))) {
- if (link_10g) {
- if (bnx2x_bmac_enable(params, vars, 0) ==
- -ESRCH) {
- DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
- vars->link_up = 0;
- vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
- vars->link_status &= ~LINK_STATUS_LINK_UP;
- }
- bnx2x_set_led(params, vars,
- LED_MODE_OPER, SPEED_10000);
- } else {
- rc = bnx2x_emac_program(params, vars);
- bnx2x_emac_enable(params, vars, 0);
- /* AN complete? */
- if ((vars->link_status &
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
- && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
- SINGLE_MEDIA_DIRECT(params))
- bnx2x_set_gmii_tx_driver(params);
- }
- }
- /* PBF - link up */
- if (CHIP_IS_E1x(bp))
- rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
- vars->line_speed);
- /* disable drain */
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
- /* update shared memory */
- bnx2x_update_mng(params, vars->link_status);
- msleep(20);
- return rc;
- }
- /*
- * The bnx2x_link_update function should be called upon link
- * interrupt.
- * Link is considered up as follows:
- * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
- * to be up
- * - SINGLE_MEDIA - The link between the 577xx and the external
- * phy (XGXS) need to up as well as the external link of the
- * phy (PHY_EXT1)
- * - DUAL_MEDIA - The link between the 577xx and the first
- * external phy needs to be up, and at least one of the 2
- * external phy link must be up.
- */
- int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- struct link_vars phy_vars[MAX_PHYS];
- u8 port = params->port;
- u8 link_10g_plus, phy_index;
- u8 ext_phy_link_up = 0, cur_link_up;
- int rc = 0;
- u8 is_mi_int = 0;
- u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
- u8 active_external_phy = INT_PHY;
- vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
- for (phy_index = INT_PHY; phy_index < params->num_phys;
- phy_index++) {
- phy_vars[phy_index].flow_ctrl = 0;
- phy_vars[phy_index].link_status = 0;
- phy_vars[phy_index].line_speed = 0;
- phy_vars[phy_index].duplex = DUPLEX_FULL;
- phy_vars[phy_index].phy_link_up = 0;
- phy_vars[phy_index].link_up = 0;
- phy_vars[phy_index].fault_detected = 0;
- }
- if (USES_WARPCORE(bp))
- bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
- DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
- port, (vars->phy_flags & PHY_XGXS_FLAG),
- REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
- is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
- port*0x18) > 0);
- DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
- REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
- is_mi_int,
- REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
- DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
- REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
- REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
- /* disable emac */
- if (!CHIP_IS_E3(bp))
- REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
- /*
- * Step 1:
- * Check external link change only for external phys, and apply
- * priority selection between them in case the link on both phys
- * is up. Note that instead of the common vars, a temporary
- * vars argument is used since each phy may have different link/
- * speed/duplex result
- */
- for (phy_index = EXT_PHY1; phy_index < params->num_phys;
- phy_index++) {
- struct bnx2x_phy *phy = ¶ms->phy[phy_index];
- if (!phy->read_status)
- continue;
- /* Read link status and params of this ext phy */
- cur_link_up = phy->read_status(phy, params,
- &phy_vars[phy_index]);
- if (cur_link_up) {
- DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
- phy_index);
- } else {
- DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
- phy_index);
- continue;
- }
- if (!ext_phy_link_up) {
- ext_phy_link_up = 1;
- active_external_phy = phy_index;
- } else {
- switch (bnx2x_phy_selection(params)) {
- case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
- /*
- * In this option, the first PHY makes sure to pass the
- * traffic through itself only.
- * Its not clear how to reset the link on the second phy
- */
- active_external_phy = EXT_PHY1;
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
- /*
- * In this option, the first PHY makes sure to pass the
- * traffic through the second PHY.
- */
- active_external_phy = EXT_PHY2;
- break;
- default:
- /*
- * Link indication on both PHYs with the following cases
- * is invalid:
- * - FIRST_PHY means that second phy wasn't initialized,
- * hence its link is expected to be down
- * - SECOND_PHY means that first phy should not be able
- * to link up by itself (using configuration)
- * - DEFAULT should be overriden during initialiazation
- */
- DP(NETIF_MSG_LINK, "Invalid link indication"
- "mpc=0x%x. DISABLING LINK !!!\n",
- params->multi_phy_config);
- ext_phy_link_up = 0;
- break;
- }
- }
- }
- prev_line_speed = vars->line_speed;
- /*
- * Step 2:
- * Read the status of the internal phy. In case of
- * DIRECT_SINGLE_MEDIA board, this link is the external link,
- * otherwise this is the link between the 577xx and the first
- * external phy
- */
- if (params->phy[INT_PHY].read_status)
- params->phy[INT_PHY].read_status(
- ¶ms->phy[INT_PHY],
- params, vars);
- /*
- * The INT_PHY flow control reside in the vars. This include the
- * case where the speed or flow control are not set to AUTO.
- * Otherwise, the active external phy flow control result is set
- * to the vars. The ext_phy_line_speed is needed to check if the
- * speed is different between the internal phy and external phy.
- * This case may be result of intermediate link speed change.
- */
- if (active_external_phy > INT_PHY) {
- vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
- /*
- * Link speed is taken from the XGXS. AN and FC result from
- * the external phy.
- */
- vars->link_status |= phy_vars[active_external_phy].link_status;
- /*
- * if active_external_phy is first PHY and link is up - disable
- * disable TX on second external PHY
- */
- if (active_external_phy == EXT_PHY1) {
- if (params->phy[EXT_PHY2].phy_specific_func) {
- DP(NETIF_MSG_LINK, "Disabling TX on"
- " EXT_PHY2\n");
- params->phy[EXT_PHY2].phy_specific_func(
- ¶ms->phy[EXT_PHY2],
- params, DISABLE_TX);
- }
- }
- ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
- vars->duplex = phy_vars[active_external_phy].duplex;
- if (params->phy[active_external_phy].supported &
- SUPPORTED_FIBRE)
- vars->link_status |= LINK_STATUS_SERDES_LINK;
- else
- vars->link_status &= ~LINK_STATUS_SERDES_LINK;
- DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
- active_external_phy);
- }
- for (phy_index = EXT_PHY1; phy_index < params->num_phys;
- phy_index++) {
- if (params->phy[phy_index].flags &
- FLAGS_REARM_LATCH_SIGNAL) {
- bnx2x_rearm_latch_signal(bp, port,
- phy_index ==
- active_external_phy);
- break;
- }
- }
- DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
- " ext_phy_line_speed = %d\n", vars->flow_ctrl,
- vars->link_status, ext_phy_line_speed);
- /*
- * Upon link speed change set the NIG into drain mode. Comes to
- * deals with possible FIFO glitch due to clk change when speed
- * is decreased without link down indicator
- */
- if (vars->phy_link_up) {
- if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
- (ext_phy_line_speed != vars->line_speed)) {
- DP(NETIF_MSG_LINK, "Internal link speed %d is"
- " different than the external"
- " link speed %d\n", vars->line_speed,
- ext_phy_line_speed);
- vars->phy_link_up = 0;
- } else if (prev_line_speed != vars->line_speed) {
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
- 0);
- msleep(1);
- }
- }
- /* anything 10 and over uses the bmac */
- link_10g_plus = (vars->line_speed >= SPEED_10000);
- bnx2x_link_int_ack(params, vars, link_10g_plus);
- /*
- * In case external phy link is up, and internal link is down
- * (not initialized yet probably after link initialization, it
- * needs to be initialized.
- * Note that after link down-up as result of cable plug, the xgxs
- * link would probably become up again without the need
- * initialize it
- */
- if (!(SINGLE_MEDIA_DIRECT(params))) {
- DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
- " init_preceding = %d\n", ext_phy_link_up,
- vars->phy_link_up,
- params->phy[EXT_PHY1].flags &
- FLAGS_INIT_XGXS_FIRST);
- if (!(params->phy[EXT_PHY1].flags &
- FLAGS_INIT_XGXS_FIRST)
- && ext_phy_link_up && !vars->phy_link_up) {
- vars->line_speed = ext_phy_line_speed;
- if (vars->line_speed < SPEED_1000)
- vars->phy_flags |= PHY_SGMII_FLAG;
- else
- vars->phy_flags &= ~PHY_SGMII_FLAG;
- if (params->phy[INT_PHY].config_init)
- params->phy[INT_PHY].config_init(
- ¶ms->phy[INT_PHY], params,
- vars);
- }
- }
- /*
- * Link is up only if both local phy and external phy (in case of
- * non-direct board) are up and no fault detected on active PHY.
- */
- vars->link_up = (vars->phy_link_up &&
- (ext_phy_link_up ||
- SINGLE_MEDIA_DIRECT(params)) &&
- (phy_vars[active_external_phy].fault_detected == 0));
- if (vars->link_up)
- rc = bnx2x_update_link_up(params, vars, link_10g_plus);
- else
- rc = bnx2x_update_link_down(params, vars);
- return rc;
- }
- /*****************************************************************************/
- /* External Phy section */
- /*****************************************************************************/
- void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
- {
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- msleep(1);
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
- }
- static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
- u32 spirom_ver, u32 ver_addr)
- {
- DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
- (u16)(spirom_ver>>16), (u16)spirom_ver, port);
- if (ver_addr)
- REG_WR(bp, ver_addr, spirom_ver);
- }
- static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u8 port)
- {
- u16 fw_ver1, fw_ver2;
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER1, &fw_ver1);
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2, &fw_ver2);
- bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
- phy->ver_addr);
- }
- static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- struct link_vars *vars)
- {
- u16 val;
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_STATUS, &val);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_STATUS, &val);
- if (val & (1<<5))
- vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
- if ((val & (1<<0)) == 0)
- vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
- }
- /******************************************************************/
- /* common BCM8073/BCM8727 PHY SECTION */
- /******************************************************************/
- static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- if (phy->req_line_speed == SPEED_10 ||
- phy->req_line_speed == SPEED_100) {
- vars->flow_ctrl = phy->req_flow_ctrl;
- return;
- }
- if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
- (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
- u16 pause_result;
- u16 ld_pause; /* local */
- u16 lp_pause; /* link partner */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_CL37_FC_LD, &ld_pause);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_CL37_FC_LP, &lp_pause);
- pause_result = (ld_pause &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
- pause_result |= (lp_pause &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
- bnx2x_pause_resolve(vars, pause_result);
- DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
- pause_result);
- }
- }
- static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u8 port)
- {
- u32 count = 0;
- u16 fw_ver1, fw_msgout;
- int rc = 0;
- /* Boot port from external ROM */
- /* EDC grst */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- 0x0001);
- /* ucode reboot and rst */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- 0x008c);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL1, 0x0001);
- /* Reset internal microprocessor */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
- /* Release srst bit */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
- /* Delay 100ms per the PHY specifications */
- msleep(100);
- /* 8073 sometimes taking longer to download */
- do {
- count++;
- if (count > 300) {
- DP(NETIF_MSG_LINK,
- "bnx2x_8073_8727_external_rom_boot port %x:"
- "Download failed. fw version = 0x%x\n",
- port, fw_ver1);
- rc = -EINVAL;
- break;
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER1, &fw_ver1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
- msleep(1);
- } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
- ((fw_msgout & 0xff) != 0x03 && (phy->type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
- /* Clear ser_boot_ctl bit */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL1, 0x0000);
- bnx2x_save_bcm_spirom_ver(bp, phy, port);
- DP(NETIF_MSG_LINK,
- "bnx2x_8073_8727_external_rom_boot port %x:"
- "Download complete. fw version = 0x%x\n",
- port, fw_ver1);
- return rc;
- }
- /******************************************************************/
- /* BCM8073 PHY SECTION */
- /******************************************************************/
- static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
- {
- /* This is only required for 8073A1, version 102 only */
- u16 val;
- /* Read 8073 HW revision*/
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_CHIP_REV, &val);
- if (val != 1) {
- /* No need to workaround in 8073 A1 */
- return 0;
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2, &val);
- /* SNR should be applied only for version 0x102 */
- if (val != 0x102)
- return 0;
- return 1;
- }
- static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
- {
- u16 val, cnt, cnt1 ;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_CHIP_REV, &val);
- if (val > 0) {
- /* No need to workaround in 8073 A1 */
- return 0;
- }
- /* XAUI workaround in 8073 A0: */
- /*
- * After loading the boot ROM and restarting Autoneg, poll
- * Dev1, Reg $C820:
- */
- for (cnt = 0; cnt < 1000; cnt++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
- &val);
- /*
- * If bit [14] = 0 or bit [13] = 0, continue on with
- * system initialization (XAUI work-around not required, as
- * these bits indicate 2.5G or 1G link up).
- */
- if (!(val & (1<<14)) || !(val & (1<<13))) {
- DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
- return 0;
- } else if (!(val & (1<<15))) {
- DP(NETIF_MSG_LINK, "bit 15 went off\n");
- /*
- * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
- * MSB (bit15) goes to 1 (indicating that the XAUI
- * workaround has completed), then continue on with
- * system initialization.
- */
- for (cnt1 = 0; cnt1 < 1000; cnt1++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_XAUI_WA, &val);
- if (val & (1<<15)) {
- DP(NETIF_MSG_LINK,
- "XAUI workaround has completed\n");
- return 0;
- }
- msleep(3);
- }
- break;
- }
- msleep(3);
- }
- DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
- return -EINVAL;
- }
- static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
- {
- /* Force KR or KX */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
- }
- static void bnx2x_8073_set_pause_cl37(struct link_params *params,
- struct bnx2x_phy *phy,
- struct link_vars *vars)
- {
- u16 cl37_val;
- struct bnx2x *bp = params->bp;
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
- cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
- /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
- bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
- if ((vars->ieee_fc &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
- cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
- }
- if ((vars->ieee_fc &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
- cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
- }
- if ((vars->ieee_fc &
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
- cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
- }
- DP(NETIF_MSG_LINK,
- "Ext phy AN advertize cl37 0x%x\n", cl37_val);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
- msleep(500);
- }
- static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 val = 0, tmp1;
- u8 gpio_port;
- DP(NETIF_MSG_LINK, "Init 8073\n");
- if (CHIP_IS_E2(bp))
- gpio_port = BP_PATH(bp);
- else
- gpio_port = params->port;
- /* Restore normal power mode*/
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
- /* enable LASI */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
- bnx2x_8073_set_pause_cl37(params, phy, vars);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
- DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
- /* Swap polarity if required - Must be done only in non-1G mode */
- if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
- /* Configure the 8073 to swap _P and _N of the KR lines */
- DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
- /* 10G Rx/Tx and 1G Tx signal polarity swap */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
- (val | (3<<9)));
- }
- /* Enable CL37 BAM */
- if (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_hw_config[params->port].default_cfg)) &
- PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8073_BAM, &val);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8073_BAM, val | 1);
- DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
- }
- if (params->loopback_mode == LOOPBACK_EXT) {
- bnx2x_807x_force_10G(bp, phy);
- DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
- return 0;
- } else {
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
- }
- if (phy->req_line_speed != SPEED_AUTO_NEG) {
- if (phy->req_line_speed == SPEED_10000) {
- val = (1<<7);
- } else if (phy->req_line_speed == SPEED_2500) {
- val = (1<<5);
- /*
- * Note that 2.5G works only when used with 1G
- * advertisement
- */
- } else
- val = (1<<5);
- } else {
- val = 0;
- if (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
- val |= (1<<7);
- /* Note that 2.5G works only when used with 1G advertisement */
- if (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
- val |= (1<<5);
- DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
- }
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
- bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
- if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
- (phy->req_line_speed == SPEED_AUTO_NEG)) ||
- (phy->req_line_speed == SPEED_2500)) {
- u16 phy_ver;
- /* Allow 2.5G for A1 and above */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
- &phy_ver);
- DP(NETIF_MSG_LINK, "Add 2.5G\n");
- if (phy_ver > 0)
- tmp1 |= 1;
- else
- tmp1 &= 0xfffe;
- } else {
- DP(NETIF_MSG_LINK, "Disable 2.5G\n");
- tmp1 &= 0xfffe;
- }
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
- /* Add support for CL37 (passive mode) II */
- bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
- (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
- 0x20 : 0x40)));
- /* Add support for CL37 (passive mode) III */
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
- /*
- * The SNR will improve about 2db by changing BW and FEE main
- * tap. Rest commands are executed after link is up
- * Change FFE main cursor to 5 in EDC register
- */
- if (bnx2x_8073_is_snr_needed(bp, phy))
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
- 0xFB0C);
- /* Enable FEC (Forware Error Correction) Request in the AN */
- bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
- tmp1 |= (1<<15);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
- bnx2x_ext_phy_set_pause(params, phy, vars);
- /* Restart autoneg */
- msleep(500);
- bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
- DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
- ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
- return 0;
- }
- static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 link_up = 0;
- u16 val1, val2;
- u16 link_status = 0;
- u16 an1000_status = 0;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
- DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
- /* clear the interrupt LASI status register */
- bnx2x_cl45_read(bp, phy,
- MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
- DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
- /* Clear MSG-OUT */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
- /* Check the LASI */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
- DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
- /* Check the link status */
- bnx2x_cl45_read(bp, phy,
- MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
- DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
- link_up = ((val1 & 4) == 4);
- DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
- if (link_up &&
- ((phy->req_line_speed != SPEED_10000))) {
- if (bnx2x_8073_xaui_wa(bp, phy) != 0)
- return 0;
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
- /* Check the link status on 1.1.2 */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
- DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
- "an_link_status=0x%x\n", val2, val1, an1000_status);
- link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
- if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
- /*
- * The SNR will improve about 2dbby changing the BW and FEE main
- * tap. The 1st write to change FFE main tap is set before
- * restart AN. Change PLL Bandwidth in EDC register
- */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
- 0x26BC);
- /* Change CDR Bandwidth in EDC register */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
- 0x0333);
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
- &link_status);
- /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
- if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
- link_up = 1;
- vars->line_speed = SPEED_10000;
- DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
- params->port);
- } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
- link_up = 1;
- vars->line_speed = SPEED_2500;
- DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
- params->port);
- } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
- link_up = 1;
- vars->line_speed = SPEED_1000;
- DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
- params->port);
- } else {
- link_up = 0;
- DP(NETIF_MSG_LINK, "port %x: External link is down\n",
- params->port);
- }
- if (link_up) {
- /* Swap polarity if required */
- if (params->lane_config &
- PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
- /* Configure the 8073 to swap P and N of the KR lines */
- bnx2x_cl45_read(bp, phy,
- MDIO_XS_DEVAD,
- MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
- /*
- * Set bit 3 to invert Rx in 1G mode and clear this bit
- * when it`s in 10G mode.
- */
- if (vars->line_speed == SPEED_1000) {
- DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
- "the 8073\n");
- val1 |= (1<<3);
- } else
- val1 &= ~(1<<3);
- bnx2x_cl45_write(bp, phy,
- MDIO_XS_DEVAD,
- MDIO_XS_REG_8073_RX_CTRL_PCIE,
- val1);
- }
- bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
- bnx2x_8073_resolve_fc(phy, params, vars);
- vars->duplex = DUPLEX_FULL;
- }
- return link_up;
- }
- static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 gpio_port;
- if (CHIP_IS_E2(bp))
- gpio_port = BP_PATH(bp);
- else
- gpio_port = params->port;
- DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
- gpio_port);
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW,
- gpio_port);
- }
- /******************************************************************/
- /* BCM8705 PHY SECTION */
- /******************************************************************/
- static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "init 8705\n");
- /* Restore normal power mode*/
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
- /* HW reset */
- bnx2x_ext_phy_hw_reset(bp, params->port);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
- bnx2x_wait_reset_complete(bp, phy, params);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
- bnx2x_cl45_write(bp, phy,
- MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
- /* BCM8705 doesn't have microcode, hence the 0 */
- bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
- return 0;
- }
- static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u8 link_up = 0;
- u16 val1, rx_sd;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "read status 8705\n");
- bnx2x_cl45_read(bp, phy,
- MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
- DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
- DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, 0xc809, &val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, 0xc809, &val1);
- DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
- link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
- if (link_up) {
- vars->line_speed = SPEED_10000;
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- }
- return link_up;
- }
- /******************************************************************/
- /* SFP+ module Section */
- /******************************************************************/
- static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 pmd_dis)
- {
- struct bnx2x *bp = params->bp;
- /*
- * Disable transmitter only for bootcodes which can enable it afterwards
- * (for D3 link)
- */
- if (pmd_dis) {
- if (params->feature_config_flags &
- FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
- DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
- else {
- DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
- return;
- }
- } else
- DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_DISABLE, pmd_dis);
- }
- static u8 bnx2x_get_gpio_port(struct link_params *params)
- {
- u8 gpio_port;
- u32 swap_val, swap_override;
- struct bnx2x *bp = params->bp;
- if (CHIP_IS_E2(bp))
- gpio_port = BP_PATH(bp);
- else
- gpio_port = params->port;
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- return gpio_port ^ (swap_val && swap_override);
- }
- static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 tx_en)
- {
- u16 val;
- u8 port = params->port;
- struct bnx2x *bp = params->bp;
- u32 tx_en_mode;
- /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
- tx_en_mode = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].sfp_ctrl)) &
- PORT_HW_CFG_TX_LASER_MASK;
- DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
- "mode = %x\n", tx_en, port, tx_en_mode);
- switch (tx_en_mode) {
- case PORT_HW_CFG_TX_LASER_MDIO:
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER,
- &val);
- if (tx_en)
- val &= ~(1<<15);
- else
- val |= (1<<15);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER,
- val);
- break;
- case PORT_HW_CFG_TX_LASER_GPIO0:
- case PORT_HW_CFG_TX_LASER_GPIO1:
- case PORT_HW_CFG_TX_LASER_GPIO2:
- case PORT_HW_CFG_TX_LASER_GPIO3:
- {
- u16 gpio_pin;
- u8 gpio_port, gpio_mode;
- if (tx_en)
- gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
- else
- gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
- gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
- gpio_port = bnx2x_get_gpio_port(params);
- bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
- break;
- }
- default:
- DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
- break;
- }
- }
- static void bnx2x_sfp_set_transmitter(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 tx_en)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
- if (CHIP_IS_E3(bp))
- bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
- else
- bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
- }
- static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 addr, u8 byte_cnt, u8 *o_buf)
- {
- struct bnx2x *bp = params->bp;
- u16 val = 0;
- u16 i;
- if (byte_cnt > 16) {
- DP(NETIF_MSG_LINK, "Reading from eeprom is"
- " is limited to 0xf\n");
- return -EINVAL;
- }
- /* Set the read command byte count */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
- (byte_cnt | 0xa000));
- /* Set the read command address */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
- addr);
- /* Activate read command */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
- 0x2c0f);
- /* Wait up to 500us for command complete status */
- for (i = 0; i < 100; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
- break;
- udelay(5);
- }
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
- DP(NETIF_MSG_LINK,
- "Got bad status 0x%x when reading from SFP+ EEPROM\n",
- (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
- return -EINVAL;
- }
- /* Read the buffer */
- for (i = 0; i < byte_cnt; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
- o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
- }
- for (i = 0; i < 100; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
- return 0;
- msleep(1);
- }
- return -EINVAL;
- }
- static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 addr, u8 byte_cnt,
- u8 *o_buf)
- {
- int rc = 0;
- u8 i, j = 0, cnt = 0;
- u32 data_array[4];
- u16 addr32;
- struct bnx2x *bp = params->bp;
- /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
- " addr %d, cnt %d\n",
- addr, byte_cnt);*/
- if (byte_cnt > 16) {
- DP(NETIF_MSG_LINK, "Reading from eeprom is"
- " is limited to 16 bytes\n");
- return -EINVAL;
- }
- /* 4 byte aligned address */
- addr32 = addr & (~0x3);
- do {
- rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
- data_array);
- } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
- if (rc == 0) {
- for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
- o_buf[j] = *((u8 *)data_array + i);
- j++;
- }
- }
- return rc;
- }
- static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 addr, u8 byte_cnt, u8 *o_buf)
- {
- struct bnx2x *bp = params->bp;
- u16 val, i;
- if (byte_cnt > 16) {
- DP(NETIF_MSG_LINK, "Reading from eeprom is"
- " is limited to 0xf\n");
- return -EINVAL;
- }
- /* Need to read from 1.8000 to clear it */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
- &val);
- /* Set the read command byte count */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
- ((byte_cnt < 2) ? 2 : byte_cnt));
- /* Set the read command address */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
- addr);
- /* Set the destination address */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- 0x8004,
- MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
- /* Activate read command */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
- 0x8002);
- /*
- * Wait appropriate time for two-wire command to finish before
- * polling the status register
- */
- msleep(1);
- /* Wait up to 500us for command complete status */
- for (i = 0; i < 100; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
- break;
- udelay(5);
- }
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
- DP(NETIF_MSG_LINK,
- "Got bad status 0x%x when reading from SFP+ EEPROM\n",
- (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
- return -EFAULT;
- }
- /* Read the buffer */
- for (i = 0; i < byte_cnt; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
- o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
- }
- for (i = 0; i < 100; i++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
- if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
- MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
- return 0;
- msleep(1);
- }
- return -EINVAL;
- }
- int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
- struct link_params *params, u16 addr,
- u8 byte_cnt, u8 *o_buf)
- {
- int rc = -EINVAL;
- switch (phy->type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
- byte_cnt, o_buf);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
- rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
- byte_cnt, o_buf);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
- rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
- byte_cnt, o_buf);
- break;
- }
- return rc;
- }
- static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
- struct link_params *params,
- u16 *edc_mode)
- {
- struct bnx2x *bp = params->bp;
- u32 sync_offset = 0, phy_idx, media_types;
- u8 val, check_limiting_mode = 0;
- *edc_mode = EDC_MODE_LIMITING;
- phy->media_type = ETH_PHY_UNSPECIFIED;
- /* First check for copper cable */
- if (bnx2x_read_sfp_module_eeprom(phy,
- params,
- SFP_EEPROM_CON_TYPE_ADDR,
- 1,
- &val) != 0) {
- DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
- return -EINVAL;
- }
- switch (val) {
- case SFP_EEPROM_CON_TYPE_VAL_COPPER:
- {
- u8 copper_module_type;
- phy->media_type = ETH_PHY_DA_TWINAX;
- /*
- * Check if its active cable (includes SFP+ module)
- * of passive cable
- */
- if (bnx2x_read_sfp_module_eeprom(phy,
- params,
- SFP_EEPROM_FC_TX_TECH_ADDR,
- 1,
- &copper_module_type) != 0) {
- DP(NETIF_MSG_LINK,
- "Failed to read copper-cable-type"
- " from SFP+ EEPROM\n");
- return -EINVAL;
- }
- if (copper_module_type &
- SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
- DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
- check_limiting_mode = 1;
- } else if (copper_module_type &
- SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
- DP(NETIF_MSG_LINK, "Passive Copper"
- " cable detected\n");
- *edc_mode =
- EDC_MODE_PASSIVE_DAC;
- } else {
- DP(NETIF_MSG_LINK, "Unknown copper-cable-"
- "type 0x%x !!!\n", copper_module_type);
- return -EINVAL;
- }
- break;
- }
- case SFP_EEPROM_CON_TYPE_VAL_LC:
- phy->media_type = ETH_PHY_SFP_FIBER;
- DP(NETIF_MSG_LINK, "Optic module detected\n");
- check_limiting_mode = 1;
- break;
- default:
- DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
- val);
- return -EINVAL;
- }
- sync_offset = params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].media_type);
- media_types = REG_RD(bp, sync_offset);
- /* Update media type for non-PMF sync */
- for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
- if (&(params->phy[phy_idx]) == phy) {
- media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
- (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
- media_types |= ((phy->media_type &
- PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
- (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
- break;
- }
- }
- REG_WR(bp, sync_offset, media_types);
- if (check_limiting_mode) {
- u8 options[SFP_EEPROM_OPTIONS_SIZE];
- if (bnx2x_read_sfp_module_eeprom(phy,
- params,
- SFP_EEPROM_OPTIONS_ADDR,
- SFP_EEPROM_OPTIONS_SIZE,
- options) != 0) {
- DP(NETIF_MSG_LINK, "Failed to read Option"
- " field from module EEPROM\n");
- return -EINVAL;
- }
- if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
- *edc_mode = EDC_MODE_LINEAR;
- else
- *edc_mode = EDC_MODE_LIMITING;
- }
- DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
- return 0;
- }
- /*
- * This function read the relevant field from the module (SFP+), and verify it
- * is compliant with this board
- */
- static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u32 val, cmd;
- u32 fw_resp, fw_cmd_param;
- char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
- char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
- phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
- val = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].config));
- if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
- PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
- DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
- return 0;
- }
- if (params->feature_config_flags &
- FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
- /* Use specific phy request */
- cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
- } else if (params->feature_config_flags &
- FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
- /* Use first phy request only in case of non-dual media*/
- if (DUAL_MEDIA(params)) {
- DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
- "verification\n");
- return -EINVAL;
- }
- cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
- } else {
- /* No support in OPT MDL detection */
- DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
- "verification\n");
- return -EINVAL;
- }
- fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
- fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
- if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
- DP(NETIF_MSG_LINK, "Approved module\n");
- return 0;
- }
- /* format the warning message */
- if (bnx2x_read_sfp_module_eeprom(phy,
- params,
- SFP_EEPROM_VENDOR_NAME_ADDR,
- SFP_EEPROM_VENDOR_NAME_SIZE,
- (u8 *)vendor_name))
- vendor_name[0] = '\0';
- else
- vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
- if (bnx2x_read_sfp_module_eeprom(phy,
- params,
- SFP_EEPROM_PART_NO_ADDR,
- SFP_EEPROM_PART_NO_SIZE,
- (u8 *)vendor_pn))
- vendor_pn[0] = '\0';
- else
- vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
- netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
- " Port %d from %s part number %s\n",
- params->port, vendor_name, vendor_pn);
- phy->flags |= FLAGS_SFP_NOT_APPROVED;
- return -EINVAL;
- }
- static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u8 val;
- struct bnx2x *bp = params->bp;
- u16 timeout;
- /*
- * Initialization time after hot-plug may take up to 300ms for
- * some phys type ( e.g. JDSU )
- */
- for (timeout = 0; timeout < 60; timeout++) {
- if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
- == 0) {
- DP(NETIF_MSG_LINK, "SFP+ module initialization "
- "took %d ms\n", timeout * 5);
- return 0;
- }
- msleep(5);
- }
- return -EINVAL;
- }
- static void bnx2x_8727_power_module(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u8 is_power_up) {
- /* Make sure GPIOs are not using for LED mode */
- u16 val;
- /*
- * In the GPIO register, bit 4 is use to determine if the GPIOs are
- * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
- * output
- * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
- * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
- * where the 1st bit is the over-current(only input), and 2nd bit is
- * for power( only output )
- *
- * In case of NOC feature is disabled and power is up, set GPIO control
- * as input to enable listening of over-current indication
- */
- if (phy->flags & FLAGS_NOC)
- return;
- if (is_power_up)
- val = (1<<4);
- else
- /*
- * Set GPIO control to OUTPUT, and set the power bit
- * to according to the is_power_up
- */
- val = (1<<1);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_GPIO_CTRL,
- val);
- }
- static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 edc_mode)
- {
- u16 cur_limiting_mode;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2,
- &cur_limiting_mode);
- DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
- cur_limiting_mode);
- if (edc_mode == EDC_MODE_LIMITING) {
- DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2,
- EDC_MODE_LIMITING);
- } else { /* LRM mode ( default )*/
- DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
- /*
- * Changing to LRM mode takes quite few seconds. So do it only
- * if current mode is limiting (default is LRM)
- */
- if (cur_limiting_mode != EDC_MODE_LIMITING)
- return 0;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_LRM_MODE,
- 0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2,
- 0x128);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL0,
- 0x4008);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_LRM_MODE,
- 0xaaaa);
- }
- return 0;
- }
- static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 edc_mode)
- {
- u16 phy_identifier;
- u16 rom_ver2_val;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER,
- &phy_identifier);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER,
- (phy_identifier & ~(1<<9)));
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2,
- &rom_ver2_val);
- /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_ROM_VER2,
- (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER,
- (phy_identifier | (1<<9)));
- return 0;
- }
- static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
- struct link_params *params,
- u32 action)
- {
- struct bnx2x *bp = params->bp;
- switch (action) {
- case DISABLE_TX:
- bnx2x_sfp_set_transmitter(params, phy, 0);
- break;
- case ENABLE_TX:
- if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
- bnx2x_sfp_set_transmitter(params, phy, 1);
- break;
- default:
- DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
- action);
- return;
- }
- }
- static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
- u8 gpio_mode)
- {
- struct bnx2x *bp = params->bp;
- u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].sfp_ctrl)) &
- PORT_HW_CFG_FAULT_MODULE_LED_MASK;
- switch (fault_led_gpio) {
- case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
- return;
- case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
- case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
- case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
- case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
- {
- u8 gpio_port = bnx2x_get_gpio_port(params);
- u16 gpio_pin = fault_led_gpio -
- PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
- DP(NETIF_MSG_LINK, "Set fault module-detected led "
- "pin %x port %x mode %x\n",
- gpio_pin, gpio_port, gpio_mode);
- bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
- }
- break;
- default:
- DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
- fault_led_gpio);
- }
- }
- static void bnx2x_set_e3_module_fault_led(struct link_params *params,
- u8 gpio_mode)
- {
- u32 pin_cfg;
- u8 port = params->port;
- struct bnx2x *bp = params->bp;
- pin_cfg = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_sfp_ctrl)) &
- PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
- PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
- DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
- gpio_mode, pin_cfg);
- bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
- }
- static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
- u8 gpio_mode)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
- if (CHIP_IS_E3(bp)) {
- /*
- * Low ==> if SFP+ module is supported otherwise
- * High ==> if SFP+ module is not on the approved vendor list
- */
- bnx2x_set_e3_module_fault_led(params, gpio_mode);
- } else
- bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
- }
- static void bnx2x_warpcore_power_module(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 power)
- {
- u32 pin_cfg;
- struct bnx2x *bp = params->bp;
- pin_cfg = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
- PORT_HW_CFG_E3_PWR_DIS_MASK) >>
- PORT_HW_CFG_E3_PWR_DIS_SHIFT;
- if (pin_cfg == PIN_CFG_NA)
- return;
- DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
- power, pin_cfg);
- /*
- * Low ==> corresponding SFP+ module is powered
- * high ==> the SFP+ module is powered down
- */
- bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
- }
- static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- bnx2x_warpcore_power_module(params, phy, 0);
- }
- static void bnx2x_power_sfp_module(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 power)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
- switch (phy->type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
- bnx2x_8727_power_module(params->bp, phy, power);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
- bnx2x_warpcore_power_module(params, phy, power);
- break;
- default:
- break;
- }
- }
- static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
- struct bnx2x_phy *phy,
- u16 edc_mode)
- {
- u16 val = 0;
- u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
- struct bnx2x *bp = params->bp;
- u8 lane = bnx2x_get_warpcore_lane(phy, params);
- /* This is a global register which controls all lanes */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
- val &= ~(0xf << (lane << 2));
- switch (edc_mode) {
- case EDC_MODE_LINEAR:
- case EDC_MODE_LIMITING:
- mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
- break;
- case EDC_MODE_PASSIVE_DAC:
- mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
- break;
- default:
- break;
- }
- val |= (mode << (lane << 2));
- bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
- /* A must read */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
- /* Restart microcode to re-read the new mode */
- bnx2x_warpcore_reset_lane(bp, phy, 1);
- bnx2x_warpcore_reset_lane(bp, phy, 0);
- }
- static void bnx2x_set_limiting_mode(struct link_params *params,
- struct bnx2x_phy *phy,
- u16 edc_mode)
- {
- switch (phy->type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
- bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
- bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
- break;
- }
- }
- int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 edc_mode;
- int rc = 0;
- u32 val = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].config));
- DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
- params->port);
- /* Power up module */
- bnx2x_power_sfp_module(params, phy, 1);
- if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
- DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
- return -EINVAL;
- } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
- /* check SFP+ module compatibility */
- DP(NETIF_MSG_LINK, "Module verification failed!!\n");
- rc = -EINVAL;
- /* Turn on fault module-detected led */
- bnx2x_set_sfp_module_fault_led(params,
- MISC_REGISTERS_GPIO_HIGH);
- /* Check if need to power down the SFP+ module */
- if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
- PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
- DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
- bnx2x_power_sfp_module(params, phy, 0);
- return rc;
- }
- } else {
- /* Turn off fault module-detected led */
- bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
- }
- /*
- * Check and set limiting mode / LRM mode on 8726. On 8727 it
- * is done automatically
- */
- bnx2x_set_limiting_mode(params, phy, edc_mode);
- /*
- * Enable transmit for this module if the module is approved, or
- * if unapproved modules should also enable the Tx laser
- */
- if (rc == 0 ||
- (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
- PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
- bnx2x_sfp_set_transmitter(params, phy, 1);
- else
- bnx2x_sfp_set_transmitter(params, phy, 0);
- return rc;
- }
- void bnx2x_handle_module_detect_int(struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- struct bnx2x_phy *phy;
- u32 gpio_val;
- u8 gpio_num, gpio_port;
- if (CHIP_IS_E3(bp))
- phy = ¶ms->phy[INT_PHY];
- else
- phy = ¶ms->phy[EXT_PHY1];
- if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
- params->port, &gpio_num, &gpio_port) ==
- -EINVAL) {
- DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
- return;
- }
- /* Set valid module led off */
- bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
- /* Get current gpio val reflecting module plugged in / out*/
- gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
- /* Call the handling function in case module is detected */
- if (gpio_val == 0) {
- bnx2x_power_sfp_module(params, phy, 1);
- bnx2x_set_gpio_int(bp, gpio_num,
- MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
- gpio_port);
- if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
- bnx2x_sfp_module_detection(phy, params);
- else
- DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
- } else {
- u32 val = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].
- config));
- bnx2x_set_gpio_int(bp, gpio_num,
- MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
- gpio_port);
- /*
- * Module was plugged out.
- * Disable transmit for this module
- */
- phy->media_type = ETH_PHY_NOT_PRESENT;
- if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
- PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
- CHIP_IS_E3(bp))
- bnx2x_sfp_set_transmitter(params, phy, 0);
- }
- }
- /******************************************************************/
- /* Used by 8706 and 8727 */
- /******************************************************************/
- static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
- struct bnx2x_phy *phy,
- u16 alarm_status_offset,
- u16 alarm_ctrl_offset)
- {
- u16 alarm_status, val;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, alarm_status_offset,
- &alarm_status);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, alarm_status_offset,
- &alarm_status);
- /* Mask or enable the fault event. */
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
- if (alarm_status & (1<<0))
- val &= ~(1<<0);
- else
- val |= (1<<0);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
- }
- /******************************************************************/
- /* common BCM8706/BCM8726 PHY SECTION */
- /******************************************************************/
- static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u8 link_up = 0;
- u16 val1, val2, rx_sd, pcs_status;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
- /* Clear RX Alarm*/
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
- bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
- MDIO_PMA_LASI_TXCTRL);
- /* clear LASI indication*/
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
- DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
- bnx2x_cl45_read(bp, phy,
- MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
- DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
- " link_status 0x%x\n", rx_sd, pcs_status, val2);
- /*
- * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
- * are set, or if the autoneg bit 1 is set
- */
- link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
- if (link_up) {
- if (val2 & (1<<1))
- vars->line_speed = SPEED_1000;
- else
- vars->line_speed = SPEED_10000;
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- vars->duplex = DUPLEX_FULL;
- }
- /* Capture 10G link fault. Read twice to clear stale value. */
- if (vars->line_speed == SPEED_10000) {
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_TXSTAT, &val1);
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_TXSTAT, &val1);
- if (val1 & (1<<0))
- vars->fault_detected = 1;
- }
- return link_up;
- }
- /******************************************************************/
- /* BCM8706 PHY SECTION */
- /******************************************************************/
- static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u32 tx_en_mode;
- u16 cnt, val, tmp1;
- struct bnx2x *bp = params->bp;
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
- /* HW reset */
- bnx2x_ext_phy_hw_reset(bp, params->port);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
- bnx2x_wait_reset_complete(bp, phy, params);
- /* Wait until fw is loaded */
- for (cnt = 0; cnt < 100; cnt++) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
- if (val)
- break;
- msleep(10);
- }
- DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
- if ((params->feature_config_flags &
- FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
- u8 i;
- u16 reg;
- for (i = 0; i < 4; i++) {
- reg = MDIO_XS_8706_REG_BANK_RX0 +
- i*(MDIO_XS_8706_REG_BANK_RX1 -
- MDIO_XS_8706_REG_BANK_RX0);
- bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
- /* Clear first 3 bits of the control */
- val &= ~0x7;
- /* Set control bits according to configuration */
- val |= (phy->rx_preemphasis[i] & 0x7);
- DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
- " reg 0x%x <-- val 0x%x\n", reg, val);
- bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
- }
- }
- /* Force speed */
- if (phy->req_line_speed == SPEED_10000) {
- DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
- 0);
- /* Arm LASI for link and Tx fault. */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
- } else {
- /* Force 1Gbps using autoneg with 1G advertisement */
- /* Allow CL37 through CL73 */
- DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
- /* Enable Full-Duplex advertisement on CL37 */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
- /* Enable CL37 AN */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
- /* 1G support */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
- /* Enable clause 73 AN */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
- 0x0400);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
- 0x0004);
- }
- bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
- /*
- * If TX Laser is controlled by GPIO_0, do not let PHY go into low
- * power mode, if TX Laser is disabled
- */
- tx_en_mode = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].sfp_ctrl))
- & PORT_HW_CFG_TX_LASER_MASK;
- if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
- DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
- tmp1 |= 0x1;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
- }
- return 0;
- }
- static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- return bnx2x_8706_8726_read_status(phy, params, vars);
- }
- /******************************************************************/
- /* BCM8726 PHY SECTION */
- /******************************************************************/
- static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
- }
- static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- /* Need to wait 100ms after reset */
- msleep(100);
- /* Micro controller re-boot */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
- /* Set soft reset */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL1, 0x0001);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL,
- MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
- /* wait for 150ms for microcode load */
- msleep(150);
- /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL1, 0x0000);
- msleep(200);
- bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
- }
- static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 val1;
- u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
- if (link_up) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
- &val1);
- if (val1 & (1<<15)) {
- DP(NETIF_MSG_LINK, "Tx is disabled\n");
- link_up = 0;
- vars->line_speed = 0;
- }
- }
- return link_up;
- }
- static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
- bnx2x_wait_reset_complete(bp, phy, params);
- bnx2x_8726_external_rom_boot(phy, params);
- /*
- * Need to call module detected on initialization since the module
- * detection triggered by actual module insertion might occur before
- * driver is loaded, and when driver is loaded, it reset all
- * registers, including the transmitter
- */
- bnx2x_sfp_module_detection(phy, params);
- if (phy->req_line_speed == SPEED_1000) {
- DP(NETIF_MSG_LINK, "Setting 1G force\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
- 0x400);
- } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
- ((phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
- DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
- /* Set Flow control */
- bnx2x_ext_phy_set_pause(params, phy, vars);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
- /*
- * Enable RX-ALARM control to receive interrupt for 1G speed
- * change
- */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
- 0x400);
- } else { /* Default 10G. Set only LASI control */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
- }
- /* Set TX PreEmphasis if needed */
- if ((params->feature_config_flags &
- FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
- DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
- "TX_CTRL2 0x%x\n",
- phy->tx_preemphasis[0],
- phy->tx_preemphasis[1]);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8726_TX_CTRL1,
- phy->tx_preemphasis[0]);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8726_TX_CTRL2,
- phy->tx_preemphasis[1]);
- }
- return 0;
- }
- static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
- /* Set serial boot control for external load */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_GEN_CTRL, 0x0001);
- }
- /******************************************************************/
- /* BCM8727 PHY SECTION */
- /******************************************************************/
- static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
- struct link_params *params, u8 mode)
- {
- struct bnx2x *bp = params->bp;
- u16 led_mode_bitmask = 0;
- u16 gpio_pins_bitmask = 0;
- u16 val;
- /* Only NOC flavor requires to set the LED specifically */
- if (!(phy->flags & FLAGS_NOC))
- return;
- switch (mode) {
- case LED_MODE_FRONT_PANEL_OFF:
- case LED_MODE_OFF:
- led_mode_bitmask = 0;
- gpio_pins_bitmask = 0x03;
- break;
- case LED_MODE_ON:
- led_mode_bitmask = 0;
- gpio_pins_bitmask = 0x02;
- break;
- case LED_MODE_OPER:
- led_mode_bitmask = 0x60;
- gpio_pins_bitmask = 0x11;
- break;
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_OPT_CTRL,
- &val);
- val &= 0xff8f;
- val |= led_mode_bitmask;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_OPT_CTRL,
- val);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_GPIO_CTRL,
- &val);
- val &= 0xffe0;
- val |= gpio_pins_bitmask;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_GPIO_CTRL,
- val);
- }
- static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
- struct link_params *params) {
- u32 swap_val, swap_override;
- u8 port;
- /*
- * The PHY reset is controlled by GPIO 1. Fake the port number
- * to cancel the swap done in set_gpio()
- */
- struct bnx2x *bp = params->bp;
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- port = (swap_val && swap_override) ^ 1;
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- }
- static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u32 tx_en_mode;
- u16 tmp1, val, mod_abs, tmp2;
- u16 rx_alarm_ctrl_val;
- u16 lasi_ctrl_val;
- struct bnx2x *bp = params->bp;
- /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
- bnx2x_wait_reset_complete(bp, phy, params);
- rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
- /* Should be 0x6 to enable XS on Tx side. */
- lasi_ctrl_val = 0x0006;
- DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
- /* enable LASI */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
- rx_alarm_ctrl_val);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
- 0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
- /*
- * Initially configure MOD_ABS to interrupt when module is
- * presence( bit 8)
- */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
- /*
- * Set EDC off by setting OPTXLOS signal input to low (bit 9).
- * When the EDC is off it locks onto a reference clock and avoids
- * becoming 'lost'
- */
- mod_abs &= ~(1<<8);
- if (!(phy->flags & FLAGS_NOC))
- mod_abs &= ~(1<<9);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
- /* Enable/Disable PHY transmitter output */
- bnx2x_set_disable_pmd_transmit(params, phy, 0);
- /* Make MOD_ABS give interrupt on change */
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
- &val);
- val |= (1<<12);
- if (phy->flags & FLAGS_NOC)
- val |= (3<<5);
- /*
- * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
- * status which reflect SFP+ module over-current
- */
- if (!(phy->flags & FLAGS_NOC))
- val &= 0xff8f; /* Reset bits 4-6 */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
- bnx2x_8727_power_module(bp, phy, 1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
- /* Set option 1G speed */
- if (phy->req_line_speed == SPEED_1000) {
- DP(NETIF_MSG_LINK, "Setting 1G force\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
- DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
- /*
- * Power down the XAUI until link is up in case of dual-media
- * and 1G
- */
- if (DUAL_MEDIA(params)) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_GP, &val);
- val |= (3<<10);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_GP, val);
- }
- } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
- ((phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
- ((phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
- DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
- } else {
- /*
- * Since the 8727 has only single reset pin, need to set the 10G
- * registers although it is default
- */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
- 0x0020);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
- 0x0008);
- }
- /*
- * Set 2-wire transfer rate of SFP+ module EEPROM
- * to 100Khz since some DACs(direct attached cables) do
- * not work at 400Khz.
- */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
- 0xa001);
- /* Set TX PreEmphasis if needed */
- if ((params->feature_config_flags &
- FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
- DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
- phy->tx_preemphasis[0],
- phy->tx_preemphasis[1]);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
- phy->tx_preemphasis[0]);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
- phy->tx_preemphasis[1]);
- }
- /*
- * If TX Laser is controlled by GPIO_0, do not let PHY go into low
- * power mode, if TX Laser is disabled
- */
- tx_en_mode = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].sfp_ctrl))
- & PORT_HW_CFG_TX_LASER_MASK;
- if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
- DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
- tmp2 |= 0x1000;
- tmp2 &= 0xFFEF;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
- }
- return 0;
- }
- static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 mod_abs, rx_alarm_status;
- u32 val = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].
- config));
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
- if (mod_abs & (1<<8)) {
- /* Module is absent */
- DP(NETIF_MSG_LINK, "MOD_ABS indication "
- "show module is absent\n");
- phy->media_type = ETH_PHY_NOT_PRESENT;
- /*
- * 1. Set mod_abs to detect next module
- * presence event
- * 2. Set EDC off by setting OPTXLOS signal input to low
- * (bit 9).
- * When the EDC is off it locks onto a reference clock and
- * avoids becoming 'lost'.
- */
- mod_abs &= ~(1<<8);
- if (!(phy->flags & FLAGS_NOC))
- mod_abs &= ~(1<<9);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
- /*
- * Clear RX alarm since it stays up as long as
- * the mod_abs wasn't changed
- */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
- } else {
- /* Module is present */
- DP(NETIF_MSG_LINK, "MOD_ABS indication "
- "show module is present\n");
- /*
- * First disable transmitter, and if the module is ok, the
- * module_detection will enable it
- * 1. Set mod_abs to detect next module absent event ( bit 8)
- * 2. Restore the default polarity of the OPRXLOS signal and
- * this signal will then correctly indicate the presence or
- * absence of the Rx signal. (bit 9)
- */
- mod_abs |= (1<<8);
- if (!(phy->flags & FLAGS_NOC))
- mod_abs |= (1<<9);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
- /*
- * Clear RX alarm since it stays up as long as the mod_abs
- * wasn't changed. This is need to be done before calling the
- * module detection, otherwise it will clear* the link update
- * alarm
- */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
- if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
- PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
- bnx2x_sfp_set_transmitter(params, phy, 0);
- if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
- bnx2x_sfp_module_detection(phy, params);
- else
- DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
- }
- DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
- rx_alarm_status);
- /* No need to check link status in case of module plugged in/out */
- }
- static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 link_up = 0, oc_port = params->port;
- u16 link_status = 0;
- u16 rx_alarm_status, lasi_ctrl, val1;
- /* If PHY is not initialized, do not check link status */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
- &lasi_ctrl);
- if (!lasi_ctrl)
- return 0;
- /* Check the LASI on Rx */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
- &rx_alarm_status);
- vars->line_speed = 0;
- DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
- bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
- MDIO_PMA_LASI_TXCTRL);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
- DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
- /* Clear MSG-OUT */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
- /*
- * If a module is present and there is need to check
- * for over current
- */
- if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
- /* Check over-current using 8727 GPIO0 input*/
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
- &val1);
- if ((val1 & (1<<8)) == 0) {
- if (!CHIP_IS_E1x(bp))
- oc_port = BP_PATH(bp) + (params->port << 1);
- DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
- " on port %d\n", oc_port);
- netdev_err(bp->dev, "Error: Power fault on Port %d has"
- " been detected and the power to "
- "that SFP+ module has been removed"
- " to prevent failure of the card."
- " Please remove the SFP+ module and"
- " restart the system to clear this"
- " error.\n",
- oc_port);
- /* Disable all RX_ALARMs except for mod_abs */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_RXCTRL, (1<<5));
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
- /* Wait for module_absent_event */
- val1 |= (1<<8);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PHY_IDENTIFIER, val1);
- /* Clear RX alarm */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
- return 0;
- }
- } /* Over current check */
- /* When module absent bit is set, check module */
- if (rx_alarm_status & (1<<5)) {
- bnx2x_8727_handle_mod_abs(phy, params);
- /* Enable all mod_abs and link detection bits */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
- ((1<<5) | (1<<2)));
- }
- DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
- bnx2x_8727_specific_func(phy, params, ENABLE_TX);
- /* If transmitter is disabled, ignore false link up indication */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
- if (val1 & (1<<15)) {
- DP(NETIF_MSG_LINK, "Tx is disabled\n");
- return 0;
- }
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
- /*
- * Bits 0..2 --> speed detected,
- * Bits 13..15--> link is down
- */
- if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
- link_up = 1;
- vars->line_speed = SPEED_10000;
- DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
- params->port);
- } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
- link_up = 1;
- vars->line_speed = SPEED_1000;
- DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
- params->port);
- } else {
- link_up = 0;
- DP(NETIF_MSG_LINK, "port %x: External link is down\n",
- params->port);
- }
- /* Capture 10G link fault. */
- if (vars->line_speed == SPEED_10000) {
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_TXSTAT, &val1);
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
- MDIO_PMA_LASI_TXSTAT, &val1);
- if (val1 & (1<<0)) {
- vars->fault_detected = 1;
- }
- }
- if (link_up) {
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- vars->duplex = DUPLEX_FULL;
- DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
- }
- if ((DUAL_MEDIA(params)) &&
- (phy->req_line_speed == SPEED_1000)) {
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_GP, &val1);
- /*
- * In case of dual-media board and 1G, power up the XAUI side,
- * otherwise power it down. For 10G it is done automatically
- */
- if (link_up)
- val1 &= ~(3<<10);
- else
- val1 |= (3<<10);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8727_PCS_GP, val1);
- }
- return link_up;
- }
- static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- /* Enable/Disable PHY transmitter output */
- bnx2x_set_disable_pmd_transmit(params, phy, 1);
- /* Disable Transmitter */
- bnx2x_sfp_set_transmitter(params, phy, 0);
- /* Clear LASI */
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
- }
- /******************************************************************/
- /* BCM8481/BCM84823/BCM84833 PHY SECTION */
- /******************************************************************/
- static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- u16 val, fw_ver1, fw_ver2, cnt;
- u8 port;
- struct bnx2x *bp = params->bp;
- port = params->port;
- /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
- /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
- for (cnt = 0; cnt < 100; cnt++) {
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
- if (val & 1)
- break;
- udelay(5);
- }
- if (cnt == 100) {
- DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
- bnx2x_save_spirom_version(bp, port, 0,
- phy->ver_addr);
- return;
- }
- /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
- for (cnt = 0; cnt < 100; cnt++) {
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
- if (val & 1)
- break;
- udelay(5);
- }
- if (cnt == 100) {
- DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
- bnx2x_save_spirom_version(bp, port, 0,
- phy->ver_addr);
- return;
- }
- /* lower 16 bits of the register SPI_FW_STATUS */
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
- /* upper 16 bits of register SPI_FW_STATUS */
- bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
- bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
- phy->ver_addr);
- }
- static void bnx2x_848xx_set_led(struct bnx2x *bp,
- struct bnx2x_phy *phy)
- {
- u16 val;
- /* PHYC_CTL_LED_CTL */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
- val &= 0xFE00;
- val |= 0x0092;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL, val);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x80);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED2_MASK,
- 0x18);
- /* Select activity source by Tx and Rx, as suggested by PHY AE */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- 0x0006);
- /* Select the closest activity blink rate to that in 10/100/1000 */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_BLINK,
- 0);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
- val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
- /* 'Interrupt Mask' */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- 0xFFFB, 0xFFFD);
- }
- static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 autoneg_val, an_1000_val, an_10_100_val;
- u16 tmp_req_line_speed;
- tmp_req_line_speed = phy->req_line_speed;
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
- if (phy->req_line_speed == SPEED_10000)
- phy->req_line_speed = SPEED_AUTO_NEG;
- /*
- * This phy uses the NIG latch mechanism since link indication
- * arrives through its LED4 and not via its LASI signal, so we
- * get steady signal instead of clear on read
- */
- bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
- 1 << NIG_LATCH_BC_ENABLE_MI_INT);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
- bnx2x_848xx_set_led(bp, phy);
- /* set 1000 speed advertisement */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
- &an_1000_val);
- bnx2x_ext_phy_set_pause(params, phy, vars);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_AN_ADV,
- &an_10_100_val);
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
- &autoneg_val);
- /* Disable forced speed */
- autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
- an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
- (phy->req_line_speed == SPEED_1000)) {
- an_1000_val |= (1<<8);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_1000_val |= (1<<9);
- DP(NETIF_MSG_LINK, "Advertising 1G\n");
- } else
- an_1000_val &= ~((1<<8) | (1<<9));
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
- an_1000_val);
- /* set 100 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
- (phy->supported &
- (SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full)))) {
- an_10_100_val |= (1<<7);
- /* Enable autoneg and restart autoneg for legacy speeds */
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<8);
- DP(NETIF_MSG_LINK, "Advertising 100M\n");
- }
- /* set 10 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
- (phy->supported &
- (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full)))) {
- an_10_100_val |= (1<<5);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<6);
- DP(NETIF_MSG_LINK, "Advertising 10M\n");
- }
- /* Only 10/100 are allowed to work in FORCE mode */
- if ((phy->req_line_speed == SPEED_100) &&
- (phy->supported &
- (SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full))) {
- autoneg_val |= (1<<13);
- /* Enabled AUTO-MDIX when autoneg is disabled */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
- (1<<15 | 1<<9 | 7<<0));
- DP(NETIF_MSG_LINK, "Setting 100M force\n");
- }
- if ((phy->req_line_speed == SPEED_10) &&
- (phy->supported &
- (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full))) {
- /* Enabled AUTO-MDIX when autoneg is disabled */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
- (1<<15 | 1<<9 | 7<<0));
- DP(NETIF_MSG_LINK, "Setting 10M force\n");
- }
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
- an_10_100_val);
- if (phy->req_duplex == DUPLEX_FULL)
- autoneg_val |= (1<<8);
- /*
- * Always write this if this is not 84833.
- * For 84833, write it only when it's a forced speed.
- */
- if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- ((autoneg_val & (1<<12)) == 0))
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
- (phy->req_line_speed == SPEED_10000)) {
- DP(NETIF_MSG_LINK, "Advertising 10G\n");
- /* Restart autoneg for 10G*/
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
- 0x3200);
- } else
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
- 1);
- /* Save spirom version */
- bnx2x_save_848xx_spirom_version(phy, params);
- phy->req_line_speed = tmp_req_line_speed;
- return 0;
- }
- static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- /* Restore normal power mode*/
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
- /* HW reset */
- bnx2x_ext_phy_hw_reset(bp, params->port);
- bnx2x_wait_reset_complete(bp, phy, params);
- bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
- return bnx2x_848xx_cmn_config_init(phy, params, vars);
- }
- #define PHY84833_HDSHK_WAIT 300
- static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u32 idx;
- u32 pair_swap;
- u16 val;
- u16 data;
- struct bnx2x *bp = params->bp;
- /* Do pair swap */
- /* Check for configuration. */
- pair_swap = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
- PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
- if (pair_swap == 0)
- return 0;
- data = (u16)pair_swap;
- /* Write CMD_OPEN_OVERRIDE to STATUS reg */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2,
- PHY84833_CMD_OPEN_OVERRIDE);
- for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
- if (val == PHY84833_CMD_OPEN_FOR_CMDS)
- break;
- msleep(1);
- }
- if (idx >= PHY84833_HDSHK_WAIT) {
- DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
- return -EINVAL;
- }
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG4,
- data);
- /* Issue pair swap command */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG0,
- PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
- for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
- if ((val == PHY84833_CMD_COMPLETE_PASS) ||
- (val == PHY84833_CMD_COMPLETE_ERROR))
- break;
- msleep(1);
- }
- if ((idx >= PHY84833_HDSHK_WAIT) ||
- (val == PHY84833_CMD_COMPLETE_ERROR)) {
- DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
- return -EINVAL;
- }
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2,
- PHY84833_CMD_CLEAR_COMPLETE);
- DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
- return 0;
- }
- static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
- u32 shmem_base_path[],
- u32 chip_id)
- {
- u32 reset_pin[2];
- u32 idx;
- u8 reset_gpios;
- if (CHIP_IS_E3(bp)) {
- /* Assume that these will be GPIOs, not EPIOs. */
- for (idx = 0; idx < 2; idx++) {
- /* Map config param to register bit. */
- reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[0].e3_cmn_pin_cfg));
- reset_pin[idx] = (reset_pin[idx] &
- PORT_HW_CFG_E3_PHY_RESET_MASK) >>
- PORT_HW_CFG_E3_PHY_RESET_SHIFT;
- reset_pin[idx] -= PIN_CFG_GPIO0_P0;
- reset_pin[idx] = (1 << reset_pin[idx]);
- }
- reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
- } else {
- /* E2, look from diff place of shmem. */
- for (idx = 0; idx < 2; idx++) {
- reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[0].default_cfg));
- reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
- reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
- reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
- reset_pin[idx] = (1 << reset_pin[idx]);
- }
- reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
- }
- return reset_gpios;
- }
- static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 reset_gpios;
- u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
- offsetof(struct shmem2_region,
- other_shmem_base_addr));
- u32 shmem_base_path[2];
- shmem_base_path[0] = params->shmem_base;
- shmem_base_path[1] = other_shmem_base_addr;
- reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
- params->chip_id);
- bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
- udelay(10);
- DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
- reset_gpios);
- return 0;
- }
- static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
- u32 shmem_base_path[],
- u32 chip_id)
- {
- u8 reset_gpios;
- reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
- bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
- udelay(10);
- bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
- msleep(800);
- DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
- reset_gpios);
- return 0;
- }
- #define PHY84833_CONSTANT_LATENCY 1193
- static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 port, initialize = 1;
- u16 val;
- u16 temp;
- u32 actual_phy_selection, cms_enable, idx;
- int rc = 0;
- msleep(1);
- if (!(CHIP_IS_E1(bp)))
- port = BP_PATH(bp);
- else
- port = params->port;
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH,
- port);
- } else {
- /* MDIO reset */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL, 0x8000);
- /* Bring PHY out of super isolate mode */
- bnx2x_cl45_read(bp, phy,
- MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
- val &= ~MDIO_84833_SUPER_ISOLATE;
- bnx2x_cl45_write(bp, phy,
- MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
- }
- bnx2x_wait_reset_complete(bp, phy, params);
- /* Wait for GPHY to come out of reset */
- msleep(50);
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
- bnx2x_84833_pair_swap_cfg(phy, params, vars);
- /*
- * BCM84823 requires that XGXS links up first @ 10G for normal behavior
- */
- temp = vars->line_speed;
- vars->line_speed = SPEED_10000;
- bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
- bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
- vars->line_speed = temp;
- /* Set dual-media configuration according to configuration */
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_CTL_REG_84823_MEDIA, &val);
- val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
- MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
- MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
- MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
- MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
- if (CHIP_IS_E3(bp)) {
- val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
- MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
- } else {
- val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
- MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
- }
- actual_phy_selection = bnx2x_phy_selection(params);
- switch (actual_phy_selection) {
- case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
- /* Do nothing. Essentially this is like the priority copper */
- break;
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
- val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
- val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
- break;
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
- /* Do nothing here. The first PHY won't be initialized at all */
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
- val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
- initialize = 0;
- break;
- }
- if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
- val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_CTL_REG_84823_MEDIA, val);
- DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
- params->multi_phy_config, val);
- /* AutogrEEEn */
- if (params->feature_config_flags &
- FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
- /* Ensure that f/w is ready */
- for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
- if (val == PHY84833_CMD_OPEN_FOR_CMDS)
- break;
- usleep_range(1000, 1000);
- }
- if (idx >= PHY84833_HDSHK_WAIT) {
- DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
- return -EINVAL;
- }
- /* Select EEE mode */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG3,
- 0x2);
- /* Set Idle and Latency */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG4,
- PHY84833_CONSTANT_LATENCY + 1);
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_DATA3_REG,
- PHY84833_CONSTANT_LATENCY + 1);
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_DATA4_REG,
- PHY84833_CONSTANT_LATENCY);
- /* Send EEE instruction to command register */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG0,
- PHY84833_DIAG_CMD_SET_EEE_MODE);
- /* Ensure that the command has completed */
- for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
- if ((val == PHY84833_CMD_COMPLETE_PASS) ||
- (val == PHY84833_CMD_COMPLETE_ERROR))
- break;
- usleep_range(1000, 1000);
- }
- if ((idx >= PHY84833_HDSHK_WAIT) ||
- (val == PHY84833_CMD_COMPLETE_ERROR)) {
- DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
- return -EINVAL;
- }
- /* Reset command handler */
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_TOP_CFG_SCRATCH_REG2,
- PHY84833_CMD_CLEAR_COMPLETE);
- }
- if (initialize)
- rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
- else
- bnx2x_save_848xx_spirom_version(phy, params);
- /* 84833 PHY has a better feature and doesn't need to support this. */
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
- cms_enable = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].default_cfg)) &
- PORT_HW_CFG_ENABLE_CMS_MASK;
- bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
- if (cms_enable)
- val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
- else
- val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
- bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_CTL_REG_84823_USER_CTRL_REG, val);
- }
- return rc;
- }
- static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 val, val1, val2;
- u8 link_up = 0;
- /* Check 10G-BaseT link status */
- /* Check PMD signal ok */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, 0xFFFA, &val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
- &val2);
- DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
- /* Check link 10G */
- if (val2 & (1<<11)) {
- vars->line_speed = SPEED_10000;
- vars->duplex = DUPLEX_FULL;
- link_up = 1;
- bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
- } else { /* Check Legacy speed link */
- u16 legacy_status, legacy_speed;
- /* Enable expansion register 0x42 (Operation mode status) */
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
- /* Get legacy speed operation status */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
- &legacy_status);
- DP(NETIF_MSG_LINK, "Legacy speed status"
- " = 0x%x\n", legacy_status);
- link_up = ((legacy_status & (1<<11)) == (1<<11));
- if (link_up) {
- legacy_speed = (legacy_status & (3<<9));
- if (legacy_speed == (0<<9))
- vars->line_speed = SPEED_10;
- else if (legacy_speed == (1<<9))
- vars->line_speed = SPEED_100;
- else if (legacy_speed == (2<<9))
- vars->line_speed = SPEED_1000;
- else /* Should not happen */
- vars->line_speed = 0;
- if (legacy_status & (1<<8))
- vars->duplex = DUPLEX_FULL;
- else
- vars->duplex = DUPLEX_HALF;
- DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
- " is_duplex_full= %d\n", vars->line_speed,
- (vars->duplex == DUPLEX_FULL));
- /* Check legacy speed AN resolution */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_STATUS,
- &val);
- if (val & (1<<5))
- vars->link_status |=
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
- &val);
- if ((val & (1<<0)) == 0)
- vars->link_status |=
- LINK_STATUS_PARALLEL_DETECTION_USED;
- }
- }
- if (link_up) {
- DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
- vars->line_speed);
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- }
- return link_up;
- }
- static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
- {
- int status = 0;
- u32 spirom_ver;
- spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
- status = bnx2x_format_ver(spirom_ver, str, len);
- return status;
- }
- static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
- bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
- }
- static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- bnx2x_cl45_write(params->bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
- bnx2x_cl45_write(params->bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
- }
- static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u8 port;
- u16 val16;
- if (!(CHIP_IS_E1(bp)))
- port = BP_PATH(bp);
- else
- port = params->port;
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
- MISC_REGISTERS_GPIO_OUTPUT_LOW,
- port);
- } else {
- bnx2x_cl45_read(bp, phy,
- MDIO_CTL_DEVAD,
- 0x400f, &val16);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL, 0x800);
- }
- }
- static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
- struct link_params *params, u8 mode)
- {
- struct bnx2x *bp = params->bp;
- u16 val;
- u8 port;
- if (!(CHIP_IS_E1(bp)))
- port = BP_PATH(bp);
- else
- port = params->port;
- switch (mode) {
- case LED_MODE_OFF:
- DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
- if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
- SHARED_HW_CFG_LED_EXTPHY1) {
- /* Set LED masks */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED2_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED5_MASK,
- 0x0);
- } else {
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x0);
- }
- break;
- case LED_MODE_FRONT_PANEL_OFF:
- DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
- port);
- if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
- SHARED_HW_CFG_LED_EXTPHY1) {
- /* Set LED masks */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED2_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED5_MASK,
- 0x20);
- } else {
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x0);
- }
- break;
- case LED_MODE_ON:
- DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
- if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
- SHARED_HW_CFG_LED_EXTPHY1) {
- /* Set control reg */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- &val);
- val &= 0x8000;
- val |= 0x2492;
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- val);
- /* Set LED masks */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x0);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED2_MASK,
- 0x20);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- 0x20);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED5_MASK,
- 0x0);
- } else {
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x20);
- }
- break;
- case LED_MODE_OPER:
- DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
- if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
- SHARED_HW_CFG_LED_EXTPHY1) {
- /* Set control reg */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- &val);
- if (!((val &
- MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
- >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
- DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- 0xa492);
- }
- /* Set LED masks */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x10);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED2_MASK,
- 0x80);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- 0x98);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED5_MASK,
- 0x40);
- } else {
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED1_MASK,
- 0x80);
- /* Tell LED3 to blink on source */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- &val);
- val &= ~(7<<6);
- val |= (1<<6); /* A83B[8:6]= 1 */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- val);
- }
- break;
- }
- /*
- * This is a workaround for E3+84833 until autoneg
- * restart is fixed in f/w
- */
- if (CHIP_IS_E3(bp)) {
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
- }
- }
- /******************************************************************/
- /* 54618SE PHY SECTION */
- /******************************************************************/
- static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 port;
- u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
- u32 cfg_pin;
- DP(NETIF_MSG_LINK, "54618SE cfg init\n");
- usleep_range(1000, 1000);
- /* This works with E3 only, no need to check the chip
- before determining the port. */
- port = params->port;
- cfg_pin = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
- PORT_HW_CFG_E3_PHY_RESET_MASK) >>
- PORT_HW_CFG_E3_PHY_RESET_SHIFT;
- /* Drive pin high to bring the GPHY out of reset. */
- bnx2x_set_cfg_pin(bp, cfg_pin, 1);
- /* wait for GPHY to reset */
- msleep(50);
- /* reset phy */
- bnx2x_cl22_write(bp, phy,
- MDIO_PMA_REG_CTRL, 0x8000);
- bnx2x_wait_reset_complete(bp, phy, params);
- /*wait for GPHY to reset */
- msleep(50);
- /* Configure LED4: set to INTR (0x6). */
- /* Accessing shadow register 0xe. */
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- MDIO_REG_GPHY_SHADOW_LED_SEL2);
- bnx2x_cl22_read(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- &temp);
- temp &= ~(0xf << 4);
- temp |= (0x6 << 4);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
- /* Configure INTR based on link status change. */
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_INTR_MASK,
- ~MDIO_REG_INTR_MASK_LINK_STATUS);
- /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
- bnx2x_cl22_read(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- &temp);
- temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_SHADOW,
- MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
- /* Set up fc */
- /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
- bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
- fc_val = 0;
- if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
- fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
- if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
- fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
- /* read all advertisement */
- bnx2x_cl22_read(bp, phy,
- 0x09,
- &an_1000_val);
- bnx2x_cl22_read(bp, phy,
- 0x04,
- &an_10_100_val);
- bnx2x_cl22_read(bp, phy,
- MDIO_PMA_REG_CTRL,
- &autoneg_val);
- /* Disable forced speed */
- autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
- an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
- (1<<11));
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
- (phy->req_line_speed == SPEED_1000)) {
- an_1000_val |= (1<<8);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_1000_val |= (1<<9);
- DP(NETIF_MSG_LINK, "Advertising 1G\n");
- } else
- an_1000_val &= ~((1<<8) | (1<<9));
- bnx2x_cl22_write(bp, phy,
- 0x09,
- an_1000_val);
- bnx2x_cl22_read(bp, phy,
- 0x09,
- &an_1000_val);
- /* set 100 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
- an_10_100_val |= (1<<7);
- /* Enable autoneg and restart autoneg for legacy speeds */
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<8);
- DP(NETIF_MSG_LINK, "Advertising 100M\n");
- }
- /* set 10 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
- an_10_100_val |= (1<<5);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<6);
- DP(NETIF_MSG_LINK, "Advertising 10M\n");
- }
- /* Only 10/100 are allowed to work in FORCE mode */
- if (phy->req_line_speed == SPEED_100) {
- autoneg_val |= (1<<13);
- /* Enabled AUTO-MDIX when autoneg is disabled */
- bnx2x_cl22_write(bp, phy,
- 0x18,
- (1<<15 | 1<<9 | 7<<0));
- DP(NETIF_MSG_LINK, "Setting 100M force\n");
- }
- if (phy->req_line_speed == SPEED_10) {
- /* Enabled AUTO-MDIX when autoneg is disabled */
- bnx2x_cl22_write(bp, phy,
- 0x18,
- (1<<15 | 1<<9 | 7<<0));
- DP(NETIF_MSG_LINK, "Setting 10M force\n");
- }
- /* Check if we should turn on Auto-GrEEEn */
- bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
- if (temp == MDIO_REG_GPHY_ID_54618SE) {
- if (params->feature_config_flags &
- FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
- temp = 6;
- DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
- } else {
- temp = 0;
- DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
- }
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_DATA_REG,
- MDIO_REG_GPHY_EEE_ADV);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_ADDR_REG,
- (0x1 << 14) | MDIO_AN_DEVAD);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_DATA_REG,
- temp);
- }
- bnx2x_cl22_write(bp, phy,
- 0x04,
- an_10_100_val | fc_val);
- if (phy->req_duplex == DUPLEX_FULL)
- autoneg_val |= (1<<8);
- bnx2x_cl22_write(bp, phy,
- MDIO_PMA_REG_CTRL, autoneg_val);
- return 0;
- }
- static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
- struct link_params *params, u8 mode)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
- switch (mode) {
- case LED_MODE_FRONT_PANEL_OFF:
- case LED_MODE_OFF:
- case LED_MODE_OPER:
- case LED_MODE_ON:
- default:
- break;
- }
- return;
- }
- static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u32 cfg_pin;
- u8 port;
- /*
- * In case of no EPIO routed to reset the GPHY, put it
- * in low power mode.
- */
- bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
- /*
- * This works with E3 only, no need to check the chip
- * before determining the port.
- */
- port = params->port;
- cfg_pin = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
- PORT_HW_CFG_E3_PHY_RESET_MASK) >>
- PORT_HW_CFG_E3_PHY_RESET_SHIFT;
- /* Drive pin low to put GPHY in reset. */
- bnx2x_set_cfg_pin(bp, cfg_pin, 0);
- }
- static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 val;
- u8 link_up = 0;
- u16 legacy_status, legacy_speed;
- /* Get speed operation status */
- bnx2x_cl22_read(bp, phy,
- 0x19,
- &legacy_status);
- DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
- /* Read status to clear the PHY interrupt. */
- bnx2x_cl22_read(bp, phy,
- MDIO_REG_INTR_STATUS,
- &val);
- link_up = ((legacy_status & (1<<2)) == (1<<2));
- if (link_up) {
- legacy_speed = (legacy_status & (7<<8));
- if (legacy_speed == (7<<8)) {
- vars->line_speed = SPEED_1000;
- vars->duplex = DUPLEX_FULL;
- } else if (legacy_speed == (6<<8)) {
- vars->line_speed = SPEED_1000;
- vars->duplex = DUPLEX_HALF;
- } else if (legacy_speed == (5<<8)) {
- vars->line_speed = SPEED_100;
- vars->duplex = DUPLEX_FULL;
- }
- /* Omitting 100Base-T4 for now */
- else if (legacy_speed == (3<<8)) {
- vars->line_speed = SPEED_100;
- vars->duplex = DUPLEX_HALF;
- } else if (legacy_speed == (2<<8)) {
- vars->line_speed = SPEED_10;
- vars->duplex = DUPLEX_FULL;
- } else if (legacy_speed == (1<<8)) {
- vars->line_speed = SPEED_10;
- vars->duplex = DUPLEX_HALF;
- } else /* Should not happen */
- vars->line_speed = 0;
- DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
- " is_duplex_full= %d\n", vars->line_speed,
- (vars->duplex == DUPLEX_FULL));
- /* Check legacy speed AN resolution */
- bnx2x_cl22_read(bp, phy,
- 0x01,
- &val);
- if (val & (1<<5))
- vars->link_status |=
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
- bnx2x_cl22_read(bp, phy,
- 0x06,
- &val);
- if ((val & (1<<0)) == 0)
- vars->link_status |=
- LINK_STATUS_PARALLEL_DETECTION_USED;
- DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
- vars->line_speed);
- /* Report whether EEE is resolved. */
- bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
- if (val == MDIO_REG_GPHY_ID_54618SE) {
- if (vars->link_status &
- LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
- val = 0;
- else {
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_ADDR_REG,
- MDIO_AN_DEVAD);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_DATA_REG,
- MDIO_REG_GPHY_EEE_RESOLVED);
- bnx2x_cl22_write(bp, phy,
- MDIO_REG_GPHY_CL45_ADDR_REG,
- (0x1 << 14) | MDIO_AN_DEVAD);
- bnx2x_cl22_read(bp, phy,
- MDIO_REG_GPHY_CL45_DATA_REG,
- &val);
- }
- DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
- }
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- }
- return link_up;
- }
- static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- u16 val;
- u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
- DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
- /* Enable master/slave manual mmode and set to master */
- /* mii write 9 [bits set 11 12] */
- bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
- /* forced 1G and disable autoneg */
- /* set val [mii read 0] */
- /* set val [expr $val & [bits clear 6 12 13]] */
- /* set val [expr $val | [bits set 6 8]] */
- /* mii write 0 $val */
- bnx2x_cl22_read(bp, phy, 0x00, &val);
- val &= ~((1<<6) | (1<<12) | (1<<13));
- val |= (1<<6) | (1<<8);
- bnx2x_cl22_write(bp, phy, 0x00, val);
- /* Set external loopback and Tx using 6dB coding */
- /* mii write 0x18 7 */
- /* set val [mii read 0x18] */
- /* mii write 0x18 [expr $val | [bits set 10 15]] */
- bnx2x_cl22_write(bp, phy, 0x18, 7);
- bnx2x_cl22_read(bp, phy, 0x18, &val);
- bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
- /* This register opens the gate for the UMAC despite its name */
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
- /*
- * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
- * length used by the MAC receive logic to check frames.
- */
- REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
- }
- /******************************************************************/
- /* SFX7101 PHY SECTION */
- /******************************************************************/
- static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
- struct link_params *params)
- {
- struct bnx2x *bp = params->bp;
- /* SFX7101_XGXS_TEST1 */
- bnx2x_cl45_write(bp, phy,
- MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
- }
- static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- u16 fw_ver1, fw_ver2, val;
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
- /* Restore normal power mode*/
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
- /* HW reset */
- bnx2x_ext_phy_hw_reset(bp, params->port);
- bnx2x_wait_reset_complete(bp, phy, params);
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
- DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
- bnx2x_ext_phy_set_pause(params, phy, vars);
- /* Restart autoneg */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
- val |= 0x200;
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
- /* Save spirom version */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
- bnx2x_save_spirom_version(bp, params->port,
- (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
- return 0;
- }
- static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u8 link_up;
- u16 val1, val2;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
- DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
- val2, val1);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
- DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
- val2, val1);
- link_up = ((val1 & 4) == 4);
- /* if link is up print the AN outcome of the SFX7101 PHY */
- if (link_up) {
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
- &val2);
- vars->line_speed = SPEED_10000;
- vars->duplex = DUPLEX_FULL;
- DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
- val2, (val2 & (1<<14)));
- bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
- bnx2x_ext_phy_resolve_fc(phy, params, vars);
- }
- return link_up;
- }
- static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
- {
- if (*len < 5)
- return -EINVAL;
- str[0] = (spirom_ver & 0xFF);
- str[1] = (spirom_ver & 0xFF00) >> 8;
- str[2] = (spirom_ver & 0xFF0000) >> 16;
- str[3] = (spirom_ver & 0xFF000000) >> 24;
- str[4] = '\0';
- *len -= 5;
- return 0;
- }
- void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
- {
- u16 val, cnt;
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_7101_RESET, &val);
- for (cnt = 0; cnt < 10; cnt++) {
- msleep(50);
- /* Writes a self-clearing reset */
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_7101_RESET,
- (val | (1<<15)));
- /* Wait for clear */
- bnx2x_cl45_read(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_7101_RESET, &val);
- if ((val & (1<<15)) == 0)
- break;
- }
- }
- static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
- struct link_params *params) {
- /* Low power mode is controlled by GPIO 2 */
- bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
- /* The PHY reset is controlled by GPIO 1 */
- bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
- }
- static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
- struct link_params *params, u8 mode)
- {
- u16 val = 0;
- struct bnx2x *bp = params->bp;
- switch (mode) {
- case LED_MODE_FRONT_PANEL_OFF:
- case LED_MODE_OFF:
- val = 2;
- break;
- case LED_MODE_ON:
- val = 1;
- break;
- case LED_MODE_OPER:
- val = 0;
- break;
- }
- bnx2x_cl45_write(bp, phy,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_7107_LINK_LED_CNTL,
- val);
- }
- /******************************************************************/
- /* STATIC PHY DECLARATION */
- /******************************************************************/
- static struct bnx2x_phy phy_null = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
- .addr = 0,
- .def_md_devad = 0,
- .flags = FLAGS_INIT_XGXS_FIRST,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = 0,
- .media_type = ETH_PHY_NOT_PRESENT,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)NULL,
- .read_status = (read_status_t)NULL,
- .link_reset = (link_reset_t)NULL,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)NULL,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_serdes = {
- .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = 0,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_xgxs_config_init,
- .read_status = (read_status_t)bnx2x_link_settings_status,
- .link_reset = (link_reset_t)bnx2x_int_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)NULL,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_xgxs = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = 0,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_CX4,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_xgxs_config_init,
- .read_status = (read_status_t)bnx2x_link_settings_status,
- .link_reset = (link_reset_t)bnx2x_int_link_reset,
- .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
- .format_fw_ver = (format_fw_ver_t)NULL,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_warpcore = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = (FLAGS_HW_LOCK_REQUIRED |
- FLAGS_TX_ERROR_CHECK),
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_20000baseKR2_Full |
- SUPPORTED_20000baseMLD2_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_UNSPECIFIED,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- /* req_duplex = */0,
- /* rsrv = */0,
- .config_init = (config_init_t)bnx2x_warpcore_config_init,
- .read_status = (read_status_t)bnx2x_warpcore_read_status,
- .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
- .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
- .format_fw_ver = (format_fw_ver_t)NULL,
- .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_7101 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_FAN_FAILURE_DET_REQ,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_7101_config_init,
- .read_status = (read_status_t)bnx2x_7101_read_status,
- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
- .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
- .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
- .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
- .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_8073 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_HW_LOCK_REQUIRED,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_KR,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8073_config_init,
- .read_status = (read_status_t)bnx2x_8073_read_status,
- .link_reset = (link_reset_t)bnx2x_8073_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_8705 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_INIT_XGXS_FIRST,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_XFP_FIBER,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8705_config_init,
- .read_status = (read_status_t)bnx2x_8705_read_status,
- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_8706 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = (FLAGS_INIT_XGXS_FIRST |
- FLAGS_TX_ERROR_CHECK),
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_SFP_FIBER,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8706_config_init,
- .read_status = (read_status_t)bnx2x_8706_read_status,
- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_8726 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = (FLAGS_HW_LOCK_REQUIRED |
- FLAGS_INIT_XGXS_FIRST |
- FLAGS_TX_ERROR_CHECK),
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_Autoneg |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_NOT_PRESENT,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8726_config_init,
- .read_status = (read_status_t)bnx2x_8726_read_status,
- .link_reset = (link_reset_t)bnx2x_8726_link_reset,
- .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)NULL,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_8727 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = (FLAGS_FAN_FAILURE_DET_REQ |
- FLAGS_TX_ERROR_CHECK),
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10000baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_NOT_PRESENT,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8727_config_init,
- .read_status = (read_status_t)bnx2x_8727_read_status,
- .link_reset = (link_reset_t)bnx2x_8727_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
- .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
- .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
- .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
- };
- static struct bnx2x_phy phy_8481 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_FAN_FAILURE_DET_REQ |
- FLAGS_REARM_LATCH_SIGNAL,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_8481_config_init,
- .read_status = (read_status_t)bnx2x_848xx_read_status,
- .link_reset = (link_reset_t)bnx2x_8481_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
- .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_84823 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_FAN_FAILURE_DET_REQ |
- FLAGS_REARM_LATCH_SIGNAL,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_848x3_config_init,
- .read_status = (read_status_t)bnx2x_848xx_read_status,
- .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_84833 = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_FAN_FAILURE_DET_REQ |
- FLAGS_REARM_LATCH_SIGNAL,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- .req_duplex = 0,
- .rsrv = 0,
- .config_init = (config_init_t)bnx2x_848x3_config_init,
- .read_status = (read_status_t)bnx2x_848xx_read_status,
- .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
- .config_loopback = (config_loopback_t)NULL,
- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
- .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- static struct bnx2x_phy phy_54618se = {
- .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
- .addr = 0xff,
- .def_md_devad = 0,
- .flags = FLAGS_INIT_XGXS_FIRST,
- .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
- .mdio_ctrl = 0,
- .supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause),
- .media_type = ETH_PHY_BASE_T,
- .ver_addr = 0,
- .req_flow_ctrl = 0,
- .req_line_speed = 0,
- .speed_cap_mask = 0,
- /* req_duplex = */0,
- /* rsrv = */0,
- .config_init = (config_init_t)bnx2x_54618se_config_init,
- .read_status = (read_status_t)bnx2x_54618se_read_status,
- .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
- .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
- .format_fw_ver = (format_fw_ver_t)NULL,
- .hw_reset = (hw_reset_t)NULL,
- .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
- .phy_specific_func = (phy_specific_func_t)NULL
- };
- /*****************************************************************/
- /* */
- /* Populate the phy according. Main function: bnx2x_populate_phy */
- /* */
- /*****************************************************************/
- static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
- struct bnx2x_phy *phy, u8 port,
- u8 phy_index)
- {
- /* Get the 4 lanes xgxs config rx and tx */
- u32 rx = 0, tx = 0, i;
- for (i = 0; i < 2; i++) {
- /*
- * INT_PHY and EXT_PHY1 share the same value location in the
- * shmem. When num_phys is greater than 1, than this value
- * applies only to EXT_PHY1
- */
- if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
- rx = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
- tx = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
- } else {
- rx = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
- tx = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
- }
- phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
- phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
- phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
- phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
- }
- }
- static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
- u8 phy_index, u8 port)
- {
- u32 ext_phy_config = 0;
- switch (phy_index) {
- case EXT_PHY1:
- ext_phy_config = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].external_phy_config));
- break;
- case EXT_PHY2:
- ext_phy_config = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].external_phy_config2));
- break;
- default:
- DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
- return -EINVAL;
- }
- return ext_phy_config;
- }
- static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
- struct bnx2x_phy *phy)
- {
- u32 phy_addr;
- u32 chip_id;
- u32 switch_cfg = (REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_feature_config[port].link_config)) &
- PORT_FEATURE_CONNECTED_SWITCH_MASK);
- chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
- DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
- if (USES_WARPCORE(bp)) {
- u32 serdes_net_if;
- phy_addr = REG_RD(bp,
- MISC_REG_WC0_CTRL_PHY_ADDR);
- *phy = phy_warpcore;
- if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
- phy->flags |= FLAGS_4_PORT_MODE;
- else
- phy->flags &= ~FLAGS_4_PORT_MODE;
- /* Check Dual mode */
- serdes_net_if = (REG_RD(bp, shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_hw_config[port].default_cfg)) &
- PORT_HW_CFG_NET_SERDES_IF_MASK);
- /*
- * Set the appropriate supported and flags indications per
- * interface type of the chip
- */
- switch (serdes_net_if) {
- case PORT_HW_CFG_NET_SERDES_IF_SGMII:
- phy->supported &= (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- phy->media_type = ETH_PHY_BASE_T;
- break;
- case PORT_HW_CFG_NET_SERDES_IF_XFI:
- phy->media_type = ETH_PHY_XFP_FIBER;
- break;
- case PORT_HW_CFG_NET_SERDES_IF_SFI:
- phy->supported &= (SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- phy->media_type = ETH_PHY_SFP_FIBER;
- break;
- case PORT_HW_CFG_NET_SERDES_IF_KR:
- phy->media_type = ETH_PHY_KR;
- phy->supported &= (SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
- phy->media_type = ETH_PHY_KR;
- phy->flags |= FLAGS_WC_DUAL_MODE;
- phy->supported &= (SUPPORTED_20000baseMLD2_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_NET_SERDES_IF_KR2:
- phy->media_type = ETH_PHY_KR;
- phy->flags |= FLAGS_WC_DUAL_MODE;
- phy->supported &= (SUPPORTED_20000baseKR2_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- default:
- DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
- serdes_net_if);
- break;
- }
- /*
- * Enable MDC/MDIO work-around for E3 A0 since free running MDC
- * was not set as expected. For B0, ECO will be enabled so there
- * won't be an issue there
- */
- if (CHIP_REV(bp) == CHIP_REV_Ax)
- phy->flags |= FLAGS_MDC_MDIO_WA;
- else
- phy->flags |= FLAGS_MDC_MDIO_WA_B0;
- } else {
- switch (switch_cfg) {
- case SWITCH_CFG_1G:
- phy_addr = REG_RD(bp,
- NIG_REG_SERDES0_CTRL_PHY_ADDR +
- port * 0x10);
- *phy = phy_serdes;
- break;
- case SWITCH_CFG_10G:
- phy_addr = REG_RD(bp,
- NIG_REG_XGXS0_CTRL_PHY_ADDR +
- port * 0x18);
- *phy = phy_xgxs;
- break;
- default:
- DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
- return -EINVAL;
- }
- }
- phy->addr = (u8)phy_addr;
- phy->mdio_ctrl = bnx2x_get_emac_base(bp,
- SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
- port);
- if (CHIP_IS_E2(bp))
- phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
- else
- phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
- DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
- port, phy->addr, phy->mdio_ctrl);
- bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
- return 0;
- }
- static int bnx2x_populate_ext_phy(struct bnx2x *bp,
- u8 phy_index,
- u32 shmem_base,
- u32 shmem2_base,
- u8 port,
- struct bnx2x_phy *phy)
- {
- u32 ext_phy_config, phy_type, config2;
- u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
- ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
- phy_index, port);
- phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
- /* Select the phy type */
- switch (phy_type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
- *phy = phy_8073;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
- *phy = phy_8705;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
- *phy = phy_8706;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
- *phy = phy_8726;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
- /* BCM8727_NOC => BCM8727 no over current */
- mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
- *phy = phy_8727;
- phy->flags |= FLAGS_NOC;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
- *phy = phy_8727;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
- *phy = phy_8481;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
- *phy = phy_84823;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
- *phy = phy_84833;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
- *phy = phy_54618se;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
- *phy = phy_7101;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
- *phy = phy_null;
- return -EINVAL;
- default:
- *phy = phy_null;
- return 0;
- }
- phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
- bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
- /*
- * The shmem address of the phy version is located on different
- * structures. In case this structure is too old, do not set
- * the address
- */
- config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
- dev_info.shared_hw_config.config2));
- if (phy_index == EXT_PHY1) {
- phy->ver_addr = shmem_base + offsetof(struct shmem_region,
- port_mb[port].ext_phy_fw_version);
- /* Check specific mdc mdio settings */
- if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
- mdc_mdio_access = config2 &
- SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
- } else {
- u32 size = REG_RD(bp, shmem2_base);
- if (size >
- offsetof(struct shmem2_region, ext_phy_fw_version2)) {
- phy->ver_addr = shmem2_base +
- offsetof(struct shmem2_region,
- ext_phy_fw_version2[port]);
- }
- /* Check specific mdc mdio settings */
- if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
- mdc_mdio_access = (config2 &
- SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
- (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
- SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
- }
- phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
- /*
- * In case mdc/mdio_access of the external phy is different than the
- * mdc/mdio access of the XGXS, a HW lock must be taken in each access
- * to prevent one port interfere with another port's CL45 operations.
- */
- if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
- phy->flags |= FLAGS_HW_LOCK_REQUIRED;
- DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
- phy_type, port, phy_index);
- DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
- phy->addr, phy->mdio_ctrl);
- return 0;
- }
- static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
- u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
- {
- int status = 0;
- phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
- if (phy_index == INT_PHY)
- return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
- status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
- port, phy);
- return status;
- }
- static void bnx2x_phy_def_cfg(struct link_params *params,
- struct bnx2x_phy *phy,
- u8 phy_index)
- {
- struct bnx2x *bp = params->bp;
- u32 link_config;
- /* Populate the default phy configuration for MF mode */
- if (phy_index == EXT_PHY2) {
- link_config = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].link_config2));
- phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.
- port_hw_config[params->port].speed_capability_mask2));
- } else {
- link_config = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region, dev_info.
- port_feature_config[params->port].link_config));
- phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.
- port_hw_config[params->port].speed_capability_mask));
- }
- DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
- " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
- phy->req_duplex = DUPLEX_FULL;
- switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
- case PORT_FEATURE_LINK_SPEED_10M_HALF:
- phy->req_duplex = DUPLEX_HALF;
- case PORT_FEATURE_LINK_SPEED_10M_FULL:
- phy->req_line_speed = SPEED_10;
- break;
- case PORT_FEATURE_LINK_SPEED_100M_HALF:
- phy->req_duplex = DUPLEX_HALF;
- case PORT_FEATURE_LINK_SPEED_100M_FULL:
- phy->req_line_speed = SPEED_100;
- break;
- case PORT_FEATURE_LINK_SPEED_1G:
- phy->req_line_speed = SPEED_1000;
- break;
- case PORT_FEATURE_LINK_SPEED_2_5G:
- phy->req_line_speed = SPEED_2500;
- break;
- case PORT_FEATURE_LINK_SPEED_10G_CX4:
- phy->req_line_speed = SPEED_10000;
- break;
- default:
- phy->req_line_speed = SPEED_AUTO_NEG;
- break;
- }
- switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
- case PORT_FEATURE_FLOW_CONTROL_AUTO:
- phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
- break;
- case PORT_FEATURE_FLOW_CONTROL_TX:
- phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
- break;
- case PORT_FEATURE_FLOW_CONTROL_RX:
- phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
- break;
- case PORT_FEATURE_FLOW_CONTROL_BOTH:
- phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
- break;
- default:
- phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- break;
- }
- }
- u32 bnx2x_phy_selection(struct link_params *params)
- {
- u32 phy_config_swapped, prio_cfg;
- u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
- phy_config_swapped = params->multi_phy_config &
- PORT_HW_CFG_PHY_SWAPPED_ENABLED;
- prio_cfg = params->multi_phy_config &
- PORT_HW_CFG_PHY_SELECTION_MASK;
- if (phy_config_swapped) {
- switch (prio_cfg) {
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
- return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
- return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
- return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
- break;
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
- return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
- break;
- }
- } else
- return_cfg = prio_cfg;
- return return_cfg;
- }
- int bnx2x_phy_probe(struct link_params *params)
- {
- u8 phy_index, actual_phy_idx, link_cfg_idx;
- u32 phy_config_swapped, sync_offset, media_types;
- struct bnx2x *bp = params->bp;
- struct bnx2x_phy *phy;
- params->num_phys = 0;
- DP(NETIF_MSG_LINK, "Begin phy probe\n");
- phy_config_swapped = params->multi_phy_config &
- PORT_HW_CFG_PHY_SWAPPED_ENABLED;
- for (phy_index = INT_PHY; phy_index < MAX_PHYS;
- phy_index++) {
- link_cfg_idx = LINK_CONFIG_IDX(phy_index);
- actual_phy_idx = phy_index;
- if (phy_config_swapped) {
- if (phy_index == EXT_PHY1)
- actual_phy_idx = EXT_PHY2;
- else if (phy_index == EXT_PHY2)
- actual_phy_idx = EXT_PHY1;
- }
- DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
- " actual_phy_idx %x\n", phy_config_swapped,
- phy_index, actual_phy_idx);
- phy = ¶ms->phy[actual_phy_idx];
- if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
- params->shmem2_base, params->port,
- phy) != 0) {
- params->num_phys = 0;
- DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
- phy_index);
- for (phy_index = INT_PHY;
- phy_index < MAX_PHYS;
- phy_index++)
- *phy = phy_null;
- return -EINVAL;
- }
- if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
- break;
- sync_offset = params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[params->port].media_type);
- media_types = REG_RD(bp, sync_offset);
- /*
- * Update media type for non-PMF sync only for the first time
- * In case the media type changes afterwards, it will be updated
- * using the update_status function
- */
- if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
- (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
- actual_phy_idx))) == 0) {
- media_types |= ((phy->media_type &
- PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
- (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
- actual_phy_idx));
- }
- REG_WR(bp, sync_offset, media_types);
- bnx2x_phy_def_cfg(params, phy, phy_index);
- params->num_phys++;
- }
- DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
- return 0;
- }
- void bnx2x_init_bmac_loopback(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- vars->link_up = 1;
- vars->line_speed = SPEED_10000;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_BMAC;
- vars->phy_flags = PHY_XGXS_FLAG;
- bnx2x_xgxs_deassert(params);
- /* set bmac loopback */
- bnx2x_bmac_enable(params, vars, 1);
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
- }
- void bnx2x_init_emac_loopback(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- vars->link_up = 1;
- vars->line_speed = SPEED_1000;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_EMAC;
- vars->phy_flags = PHY_XGXS_FLAG;
- bnx2x_xgxs_deassert(params);
- /* set bmac loopback */
- bnx2x_emac_enable(params, vars, 1);
- bnx2x_emac_program(params, vars);
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
- }
- void bnx2x_init_xmac_loopback(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- vars->link_up = 1;
- if (!params->req_line_speed[0])
- vars->line_speed = SPEED_10000;
- else
- vars->line_speed = params->req_line_speed[0];
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_XMAC;
- vars->phy_flags = PHY_XGXS_FLAG;
- /*
- * Set WC to loopback mode since link is required to provide clock
- * to the XMAC in 20G mode
- */
- bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
- bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
- params->phy[INT_PHY].config_loopback(
- ¶ms->phy[INT_PHY],
- params);
- bnx2x_xmac_enable(params, vars, 1);
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
- }
- void bnx2x_init_umac_loopback(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- vars->link_up = 1;
- vars->line_speed = SPEED_1000;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_UMAC;
- vars->phy_flags = PHY_XGXS_FLAG;
- bnx2x_umac_enable(params, vars, 1);
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
- }
- void bnx2x_init_xgxs_loopback(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- vars->link_up = 1;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->duplex = DUPLEX_FULL;
- if (params->req_line_speed[0] == SPEED_1000)
- vars->line_speed = SPEED_1000;
- else
- vars->line_speed = SPEED_10000;
- if (!USES_WARPCORE(bp))
- bnx2x_xgxs_deassert(params);
- bnx2x_link_initialize(params, vars);
- if (params->req_line_speed[0] == SPEED_1000) {
- if (USES_WARPCORE(bp))
- bnx2x_umac_enable(params, vars, 0);
- else {
- bnx2x_emac_program(params, vars);
- bnx2x_emac_enable(params, vars, 0);
- }
- } else {
- if (USES_WARPCORE(bp))
- bnx2x_xmac_enable(params, vars, 0);
- else
- bnx2x_bmac_enable(params, vars, 0);
- }
- if (params->loopback_mode == LOOPBACK_XGXS) {
- /* set 10G XGXS loopback */
- params->phy[INT_PHY].config_loopback(
- ¶ms->phy[INT_PHY],
- params);
- } else {
- /* set external phy loopback */
- u8 phy_index;
- for (phy_index = EXT_PHY1;
- phy_index < params->num_phys; phy_index++) {
- if (params->phy[phy_index].config_loopback)
- params->phy[phy_index].config_loopback(
- ¶ms->phy[phy_index],
- params);
- }
- }
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
- bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
- }
- int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "Phy Initialization started\n");
- DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
- params->req_line_speed[0], params->req_flow_ctrl[0]);
- DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
- params->req_line_speed[1], params->req_flow_ctrl[1]);
- vars->link_status = 0;
- vars->phy_link_up = 0;
- vars->link_up = 0;
- vars->line_speed = 0;
- vars->duplex = DUPLEX_FULL;
- vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- vars->mac_type = MAC_TYPE_NONE;
- vars->phy_flags = 0;
- /* disable attentions */
- bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
- (NIG_MASK_XGXS0_LINK_STATUS |
- NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- bnx2x_emac_init(params, vars);
- if (params->num_phys == 0) {
- DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
- return -EINVAL;
- }
- set_phy_vars(params, vars);
- DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
- switch (params->loopback_mode) {
- case LOOPBACK_BMAC:
- bnx2x_init_bmac_loopback(params, vars);
- break;
- case LOOPBACK_EMAC:
- bnx2x_init_emac_loopback(params, vars);
- break;
- case LOOPBACK_XMAC:
- bnx2x_init_xmac_loopback(params, vars);
- break;
- case LOOPBACK_UMAC:
- bnx2x_init_umac_loopback(params, vars);
- break;
- case LOOPBACK_XGXS:
- case LOOPBACK_EXT_PHY:
- bnx2x_init_xgxs_loopback(params, vars);
- break;
- default:
- if (!CHIP_IS_E3(bp)) {
- if (params->switch_cfg == SWITCH_CFG_10G)
- bnx2x_xgxs_deassert(params);
- else
- bnx2x_serdes_deassert(bp, params->port);
- }
- bnx2x_link_initialize(params, vars);
- msleep(30);
- bnx2x_link_int_enable(params);
- break;
- }
- return 0;
- }
- int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
- u8 reset_ext_phy)
- {
- struct bnx2x *bp = params->bp;
- u8 phy_index, port = params->port, clear_latch_ind = 0;
- DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
- /* disable attentions */
- vars->link_status = 0;
- bnx2x_update_mng(params, vars->link_status);
- bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
- (NIG_MASK_XGXS0_LINK_STATUS |
- NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- /* activate nig drain */
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
- /* disable nig egress interface */
- if (!CHIP_IS_E3(bp)) {
- REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
- REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
- }
- /* Stop BigMac rx */
- if (!CHIP_IS_E3(bp))
- bnx2x_bmac_rx_disable(bp, port);
- else
- bnx2x_xmac_disable(params);
- /* disable emac */
- if (!CHIP_IS_E3(bp))
- REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
- msleep(10);
- /* The PHY reset is controlled by GPIO 1
- * Hold it as vars low
- */
- /* clear link led */
- bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
- if (reset_ext_phy) {
- bnx2x_set_mdio_clk(bp, params->chip_id, port);
- for (phy_index = EXT_PHY1; phy_index < params->num_phys;
- phy_index++) {
- if (params->phy[phy_index].link_reset) {
- bnx2x_set_aer_mmd(params,
- ¶ms->phy[phy_index]);
- params->phy[phy_index].link_reset(
- ¶ms->phy[phy_index],
- params);
- }
- if (params->phy[phy_index].flags &
- FLAGS_REARM_LATCH_SIGNAL)
- clear_latch_ind = 1;
- }
- }
- if (clear_latch_ind) {
- /* Clear latching indication */
- bnx2x_rearm_latch_signal(bp, port, 0);
- bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
- 1 << NIG_LATCH_BC_ENABLE_MI_INT);
- }
- if (params->phy[INT_PHY].link_reset)
- params->phy[INT_PHY].link_reset(
- ¶ms->phy[INT_PHY], params);
- /* reset BigMac */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
- /* disable nig ingress interface */
- if (!CHIP_IS_E3(bp)) {
- REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
- REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
- }
- vars->link_up = 0;
- vars->phy_flags = 0;
- return 0;
- }
- /****************************************************************************/
- /* Common function */
- /****************************************************************************/
- static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
- u32 shmem_base_path[],
- u32 shmem2_base_path[], u8 phy_index,
- u32 chip_id)
- {
- struct bnx2x_phy phy[PORT_MAX];
- struct bnx2x_phy *phy_blk[PORT_MAX];
- u16 val;
- s8 port = 0;
- s8 port_of_path = 0;
- u32 swap_val, swap_override;
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- port ^= (swap_val && swap_override);
- bnx2x_ext_phy_hw_reset(bp, port);
- /* PART1 - Reset both phys */
- for (port = PORT_MAX - 1; port >= PORT_0; port--) {
- u32 shmem_base, shmem2_base;
- /* In E2, same phy is using for port0 of the two paths */
- if (CHIP_IS_E1x(bp)) {
- shmem_base = shmem_base_path[0];
- shmem2_base = shmem2_base_path[0];
- port_of_path = port;
- } else {
- shmem_base = shmem_base_path[port];
- shmem2_base = shmem2_base_path[port];
- port_of_path = 0;
- }
- /* Extract the ext phy address for the port */
- if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
- port_of_path, &phy[port]) !=
- 0) {
- DP(NETIF_MSG_LINK, "populate_phy failed\n");
- return -EINVAL;
- }
- /* disable attentions */
- bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
- port_of_path*4,
- (NIG_MASK_XGXS0_LINK_STATUS |
- NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- /* Need to take the phy out of low power mode in order
- to write to access its registers */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_HIGH,
- port);
- /* Reset the phy */
- bnx2x_cl45_write(bp, &phy[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL,
- 1<<15);
- }
- /* Add delay of 150ms after reset */
- msleep(150);
- if (phy[PORT_0].addr & 0x1) {
- phy_blk[PORT_0] = &(phy[PORT_1]);
- phy_blk[PORT_1] = &(phy[PORT_0]);
- } else {
- phy_blk[PORT_0] = &(phy[PORT_0]);
- phy_blk[PORT_1] = &(phy[PORT_1]);
- }
- /* PART2 - Download firmware to both phys */
- for (port = PORT_MAX - 1; port >= PORT_0; port--) {
- if (CHIP_IS_E1x(bp))
- port_of_path = port;
- else
- port_of_path = 0;
- DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
- phy_blk[port]->addr);
- if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
- port_of_path))
- return -EINVAL;
- /* Only set bit 10 = 1 (Tx power down) */
- bnx2x_cl45_read(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_POWER_DOWN, &val);
- /* Phase1 of TX_POWER_DOWN reset */
- bnx2x_cl45_write(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_POWER_DOWN,
- (val | 1<<10));
- }
- /*
- * Toggle Transmitter: Power down and then up with 600ms delay
- * between
- */
- msleep(600);
- /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
- for (port = PORT_MAX - 1; port >= PORT_0; port--) {
- /* Phase2 of POWER_DOWN_RESET */
- /* Release bit 10 (Release Tx power down) */
- bnx2x_cl45_read(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_POWER_DOWN, &val);
- bnx2x_cl45_write(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
- msleep(15);
- /* Read modify write the SPI-ROM version select register */
- bnx2x_cl45_read(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_EDC_FFE_MAIN, &val);
- bnx2x_cl45_write(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
- /* set GPIO2 back to LOW */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- }
- return 0;
- }
- static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
- u32 shmem_base_path[],
- u32 shmem2_base_path[], u8 phy_index,
- u32 chip_id)
- {
- u32 val;
- s8 port;
- struct bnx2x_phy phy;
- /* Use port1 because of the static port-swap */
- /* Enable the module detection interrupt */
- val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
- val |= ((1<<MISC_REGISTERS_GPIO_3)|
- (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
- REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
- bnx2x_ext_phy_hw_reset(bp, 0);
- msleep(5);
- for (port = 0; port < PORT_MAX; port++) {
- u32 shmem_base, shmem2_base;
- /* In E2, same phy is using for port0 of the two paths */
- if (CHIP_IS_E1x(bp)) {
- shmem_base = shmem_base_path[0];
- shmem2_base = shmem2_base_path[0];
- } else {
- shmem_base = shmem_base_path[port];
- shmem2_base = shmem2_base_path[port];
- }
- /* Extract the ext phy address for the port */
- if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
- port, &phy) !=
- 0) {
- DP(NETIF_MSG_LINK, "populate phy failed\n");
- return -EINVAL;
- }
- /* Reset phy*/
- bnx2x_cl45_write(bp, &phy,
- MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
- /* Set fault module detected LED on */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
- MISC_REGISTERS_GPIO_HIGH,
- port);
- }
- return 0;
- }
- static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
- u8 *io_gpio, u8 *io_port)
- {
- u32 phy_gpio_reset = REG_RD(bp, shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[PORT_0].default_cfg));
- switch (phy_gpio_reset) {
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
- *io_gpio = 0;
- *io_port = 0;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
- *io_gpio = 1;
- *io_port = 0;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
- *io_gpio = 2;
- *io_port = 0;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
- *io_gpio = 3;
- *io_port = 0;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
- *io_gpio = 0;
- *io_port = 1;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
- *io_gpio = 1;
- *io_port = 1;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
- *io_gpio = 2;
- *io_port = 1;
- break;
- case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
- *io_gpio = 3;
- *io_port = 1;
- break;
- default:
- /* Don't override the io_gpio and io_port */
- break;
- }
- }
- static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
- u32 shmem_base_path[],
- u32 shmem2_base_path[], u8 phy_index,
- u32 chip_id)
- {
- s8 port, reset_gpio;
- u32 swap_val, swap_override;
- struct bnx2x_phy phy[PORT_MAX];
- struct bnx2x_phy *phy_blk[PORT_MAX];
- s8 port_of_path;
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- reset_gpio = MISC_REGISTERS_GPIO_1;
- port = 1;
- /*
- * Retrieve the reset gpio/port which control the reset.
- * Default is GPIO1, PORT1
- */
- bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
- (u8 *)&reset_gpio, (u8 *)&port);
- /* Calculate the port based on port swap */
- port ^= (swap_val && swap_override);
- /* Initiate PHY reset*/
- bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
- port);
- msleep(1);
- bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
- port);
- msleep(5);
- /* PART1 - Reset both phys */
- for (port = PORT_MAX - 1; port >= PORT_0; port--) {
- u32 shmem_base, shmem2_base;
- /* In E2, same phy is using for port0 of the two paths */
- if (CHIP_IS_E1x(bp)) {
- shmem_base = shmem_base_path[0];
- shmem2_base = shmem2_base_path[0];
- port_of_path = port;
- } else {
- shmem_base = shmem_base_path[port];
- shmem2_base = shmem2_base_path[port];
- port_of_path = 0;
- }
- /* Extract the ext phy address for the port */
- if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
- port_of_path, &phy[port]) !=
- 0) {
- DP(NETIF_MSG_LINK, "populate phy failed\n");
- return -EINVAL;
- }
- /* disable attentions */
- bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
- port_of_path*4,
- (NIG_MASK_XGXS0_LINK_STATUS |
- NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- /* Reset the phy */
- bnx2x_cl45_write(bp, &phy[port],
- MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
- }
- /* Add delay of 150ms after reset */
- msleep(150);
- if (phy[PORT_0].addr & 0x1) {
- phy_blk[PORT_0] = &(phy[PORT_1]);
- phy_blk[PORT_1] = &(phy[PORT_0]);
- } else {
- phy_blk[PORT_0] = &(phy[PORT_0]);
- phy_blk[PORT_1] = &(phy[PORT_1]);
- }
- /* PART2 - Download firmware to both phys */
- for (port = PORT_MAX - 1; port >= PORT_0; port--) {
- if (CHIP_IS_E1x(bp))
- port_of_path = port;
- else
- port_of_path = 0;
- DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
- phy_blk[port]->addr);
- if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
- port_of_path))
- return -EINVAL;
- /* Disable PHY transmitter output */
- bnx2x_cl45_write(bp, phy_blk[port],
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_TX_DISABLE, 1);
- }
- return 0;
- }
- static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
- u32 shmem2_base_path[], u8 phy_index,
- u32 ext_phy_type, u32 chip_id)
- {
- int rc = 0;
- switch (ext_phy_type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
- shmem2_base_path,
- phy_index, chip_id);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
- rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
- shmem2_base_path,
- phy_index, chip_id);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- /*
- * GPIO1 affects both ports, so there's need to pull
- * it for single port alone
- */
- rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
- shmem2_base_path,
- phy_index, chip_id);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
- /*
- * GPIO3's are linked, and so both need to be toggled
- * to obtain required 2us pulse.
- */
- rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
- rc = -EINVAL;
- break;
- default:
- DP(NETIF_MSG_LINK,
- "ext_phy 0x%x common init not required\n",
- ext_phy_type);
- break;
- }
- if (rc != 0)
- netdev_err(bp->dev, "Warning: PHY was not initialized,"
- " Port %d\n",
- 0);
- return rc;
- }
- int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
- u32 shmem2_base_path[], u32 chip_id)
- {
- int rc = 0;
- u32 phy_ver, val;
- u8 phy_index = 0;
- u32 ext_phy_type, ext_phy_config;
- bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
- bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
- DP(NETIF_MSG_LINK, "Begin common phy init\n");
- if (CHIP_IS_E3(bp)) {
- /* Enable EPIO */
- val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
- REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
- }
- /* Check if common init was already done */
- phy_ver = REG_RD(bp, shmem_base_path[0] +
- offsetof(struct shmem_region,
- port_mb[PORT_0].ext_phy_fw_version));
- if (phy_ver) {
- DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
- phy_ver);
- return 0;
- }
- /* Read the ext_phy_type for arbitrary port(0) */
- for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
- phy_index++) {
- ext_phy_config = bnx2x_get_ext_phy_config(bp,
- shmem_base_path[0],
- phy_index, 0);
- ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
- rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
- shmem2_base_path,
- phy_index, ext_phy_type,
- chip_id);
- }
- return rc;
- }
- static void bnx2x_check_over_curr(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u32 cfg_pin;
- u8 port = params->port;
- u32 pin_val;
- cfg_pin = (REG_RD(bp, params->shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
- PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
- PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
- /* Ignore check if no external input PIN available */
- if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
- return;
- if (!pin_val) {
- if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
- netdev_err(bp->dev, "Error: Power fault on Port %d has"
- " been detected and the power to "
- "that SFP+ module has been removed"
- " to prevent failure of the card."
- " Please remove the SFP+ module and"
- " restart the system to clear this"
- " error.\n",
- params->port);
- vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
- }
- } else
- vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
- }
- static void bnx2x_analyze_link_error(struct link_params *params,
- struct link_vars *vars, u32 lss_status)
- {
- struct bnx2x *bp = params->bp;
- /* Compare new value with previous value */
- u8 led_mode;
- u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
- if ((lss_status ^ half_open_conn) == 0)
- return;
- /* If values differ */
- DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
- half_open_conn, lss_status);
- /*
- * a. Update shmem->link_status accordingly
- * b. Update link_vars->link_up
- */
- if (lss_status) {
- DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
- vars->link_status &= ~LINK_STATUS_LINK_UP;
- vars->link_up = 0;
- vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
- /*
- * Set LED mode to off since the PHY doesn't know about these
- * errors
- */
- led_mode = LED_MODE_OFF;
- } else {
- DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
- vars->link_status |= LINK_STATUS_LINK_UP;
- vars->link_up = 1;
- vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
- led_mode = LED_MODE_OPER;
- }
- /* Update the LED according to the link state */
- bnx2x_set_led(params, vars, led_mode, SPEED_10000);
- /* Update link status in the shared memory */
- bnx2x_update_mng(params, vars->link_status);
- /* C. Trigger General Attention */
- vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
- bnx2x_notify_link_changed(bp);
- }
- /******************************************************************************
- * Description:
- * This function checks for half opened connection change indication.
- * When such change occurs, it calls the bnx2x_analyze_link_error
- * to check if Remote Fault is set or cleared. Reception of remote fault
- * status message in the MAC indicates that the peer's MAC has detected
- * a fault, for example, due to break in the TX side of fiber.
- *
- ******************************************************************************/
- static void bnx2x_check_half_open_conn(struct link_params *params,
- struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u32 lss_status = 0;
- u32 mac_base;
- /* In case link status is physically up @ 10G do */
- if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
- return;
- if (CHIP_IS_E3(bp) &&
- (REG_RD(bp, MISC_REG_RESET_REG_2) &
- (MISC_REGISTERS_RESET_REG_2_XMAC))) {
- /* Check E3 XMAC */
- /*
- * Note that link speed cannot be queried here, since it may be
- * zero while link is down. In case UMAC is active, LSS will
- * simply not be set
- */
- mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
- /* Clear stick bits (Requires rising edge) */
- REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
- REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
- XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
- XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
- if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
- lss_status = 1;
- bnx2x_analyze_link_error(params, vars, lss_status);
- } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
- (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
- /* Check E1X / E2 BMAC */
- u32 lss_status_reg;
- u32 wb_data[2];
- mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM;
- /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
- if (CHIP_IS_E2(bp))
- lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
- else
- lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
- REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
- lss_status = (wb_data[0] > 0);
- bnx2x_analyze_link_error(params, vars, lss_status);
- }
- }
- void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
- {
- struct bnx2x *bp = params->bp;
- u16 phy_idx;
- if (!params) {
- DP(NETIF_MSG_LINK, "Uninitialized params !\n");
- return;
- }
- for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
- if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
- bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
- bnx2x_check_half_open_conn(params, vars);
- break;
- }
- }
- if (CHIP_IS_E3(bp))
- bnx2x_check_over_curr(params, vars);
- }
- u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
- {
- u8 phy_index;
- struct bnx2x_phy phy;
- for (phy_index = INT_PHY; phy_index < MAX_PHYS;
- phy_index++) {
- if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
- 0, &phy) != 0) {
- DP(NETIF_MSG_LINK, "populate phy failed\n");
- return 0;
- }
- if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
- return 1;
- }
- return 0;
- }
- u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
- u32 shmem_base,
- u32 shmem2_base,
- u8 port)
- {
- u8 phy_index, fan_failure_det_req = 0;
- struct bnx2x_phy phy;
- for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
- phy_index++) {
- if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
- port, &phy)
- != 0) {
- DP(NETIF_MSG_LINK, "populate phy failed\n");
- return 0;
- }
- fan_failure_det_req |= (phy.flags &
- FLAGS_FAN_FAILURE_DET_REQ);
- }
- return fan_failure_det_req;
- }
- void bnx2x_hw_reset_phy(struct link_params *params)
- {
- u8 phy_index;
- struct bnx2x *bp = params->bp;
- bnx2x_update_mng(params, 0);
- bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
- (NIG_MASK_XGXS0_LINK_STATUS |
- NIG_MASK_XGXS0_LINK10G |
- NIG_MASK_SERDES0_LINK_STATUS |
- NIG_MASK_MI_INT));
- for (phy_index = INT_PHY; phy_index < MAX_PHYS;
- phy_index++) {
- if (params->phy[phy_index].hw_reset) {
- params->phy[phy_index].hw_reset(
- ¶ms->phy[phy_index],
- params);
- params->phy[phy_index] = phy_null;
- }
- }
- }
- void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
- u32 chip_id, u32 shmem_base, u32 shmem2_base,
- u8 port)
- {
- u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
- u32 val;
- u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
- if (CHIP_IS_E3(bp)) {
- if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
- shmem_base,
- port,
- &gpio_num,
- &gpio_port) != 0)
- return;
- } else {
- struct bnx2x_phy phy;
- for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
- phy_index++) {
- if (bnx2x_populate_phy(bp, phy_index, shmem_base,
- shmem2_base, port, &phy)
- != 0) {
- DP(NETIF_MSG_LINK, "populate phy failed\n");
- return;
- }
- if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
- gpio_num = MISC_REGISTERS_GPIO_3;
- gpio_port = port;
- break;
- }
- }
- }
- if (gpio_num == 0xff)
- return;
- /* Set GPIO3 to trigger SFP+ module insertion/removal */
- bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- gpio_port ^= (swap_val && swap_override);
- vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
- (gpio_num + (gpio_port << 2));
- sync_offset = shmem_base +
- offsetof(struct shmem_region,
- dev_info.port_hw_config[port].aeu_int_mask);
- REG_WR(bp, sync_offset, vars->aeu_int_mask);
- DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
- gpio_num, gpio_port, vars->aeu_int_mask);
- if (port == 0)
- offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
- else
- offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
- /* Open appropriate AEU for interrupts */
- aeu_mask = REG_RD(bp, offset);
- aeu_mask |= vars->aeu_int_mask;
- REG_WR(bp, offset, aeu_mask);
- /* Enable the GPIO to trigger interrupt */
- val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
- val |= 1 << (gpio_num + (gpio_port << 2));
- REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
- }
|