bnx2x_link.c 400 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086408740884089409040914092409340944095409640974098409941004101410241034104410541064107410841094110411141124113411441154116411741184119412041214122412341244125412641274128412941304131413241334134413541364137413841394140414141424143414441454146414741484149415041514152415341544155415641574158415941604161416241634164416541664167416841694170417141724173417441754176417741784179418041814182418341844185418641874188418941904191419241934194419541964197419841994200420142024203420442054206420742084209421042114212421342144215421642174218421942204221422242234224422542264227422842294230423142324233423442354236423742384239424042414242424342444245424642474248424942504251425242534254425542564257425842594260426142624263426442654266426742684269427042714272427342744275427642774278427942804281428242834284428542864287428842894290429142924293429442954296429742984299430043014302430343044305430643074308430943104311431243134314431543164317431843194320432143224323432443254326432743284329433043314332433343344335433643374338433943404341434243434344434543464347434843494350435143524353435443554356435743584359436043614362436343644365436643674368436943704371437243734374437543764377437843794380438143824383438443854386438743884389439043914392439343944395439643974398439944004401440244034404440544064407440844094410441144124413441444154416441744184419442044214422442344244425442644274428442944304431443244334434443544364437443844394440444144424443444444454446444744484449445044514452445344544455445644574458445944604461446244634464446544664467446844694470447144724473447444754476447744784479448044814482448344844485448644874488448944904491449244934494449544964497449844994500450145024503450445054506450745084509451045114512451345144515451645174518451945204521452245234524452545264527452845294530453145324533453445354536453745384539454045414542454345444545454645474548454945504551455245534554455545564557455845594560456145624563456445654566456745684569457045714572457345744575457645774578457945804581458245834584458545864587458845894590459145924593459445954596459745984599460046014602460346044605460646074608460946104611461246134614461546164617461846194620462146224623462446254626462746284629463046314632463346344635463646374638463946404641464246434644464546464647464846494650465146524653465446554656465746584659466046614662466346644665466646674668466946704671467246734674467546764677467846794680468146824683468446854686468746884689469046914692469346944695469646974698469947004701470247034704470547064707470847094710471147124713471447154716471747184719472047214722472347244725472647274728472947304731473247334734473547364737473847394740474147424743474447454746474747484749475047514752475347544755475647574758475947604761476247634764476547664767476847694770477147724773477447754776477747784779478047814782478347844785478647874788478947904791479247934794479547964797479847994800480148024803480448054806480748084809481048114812481348144815481648174818481948204821482248234824482548264827482848294830483148324833483448354836483748384839484048414842484348444845484648474848484948504851485248534854485548564857485848594860486148624863486448654866486748684869487048714872487348744875487648774878487948804881488248834884488548864887488848894890489148924893489448954896489748984899490049014902490349044905490649074908490949104911491249134914491549164917491849194920492149224923492449254926492749284929493049314932493349344935493649374938493949404941494249434944494549464947494849494950495149524953495449554956495749584959496049614962496349644965496649674968496949704971497249734974497549764977497849794980498149824983498449854986498749884989499049914992499349944995499649974998499950005001500250035004500550065007500850095010501150125013501450155016501750185019502050215022502350245025502650275028502950305031503250335034503550365037503850395040504150425043504450455046504750485049505050515052505350545055505650575058505950605061506250635064506550665067506850695070507150725073507450755076507750785079508050815082508350845085508650875088508950905091509250935094509550965097509850995100510151025103510451055106510751085109511051115112511351145115511651175118511951205121512251235124512551265127512851295130513151325133513451355136513751385139514051415142514351445145514651475148514951505151515251535154515551565157515851595160516151625163516451655166516751685169517051715172517351745175517651775178517951805181518251835184518551865187518851895190519151925193519451955196519751985199520052015202520352045205520652075208520952105211521252135214521552165217521852195220522152225223522452255226522752285229523052315232523352345235523652375238523952405241524252435244524552465247524852495250525152525253525452555256525752585259526052615262526352645265526652675268526952705271527252735274527552765277527852795280528152825283528452855286528752885289529052915292529352945295529652975298529953005301530253035304530553065307530853095310531153125313531453155316531753185319532053215322532353245325532653275328532953305331533253335334533553365337533853395340534153425343534453455346534753485349535053515352535353545355535653575358535953605361536253635364536553665367536853695370537153725373537453755376537753785379538053815382538353845385538653875388538953905391539253935394539553965397539853995400540154025403540454055406540754085409541054115412541354145415541654175418541954205421542254235424542554265427542854295430543154325433543454355436543754385439544054415442544354445445544654475448544954505451545254535454545554565457545854595460546154625463546454655466546754685469547054715472547354745475547654775478547954805481548254835484548554865487548854895490549154925493549454955496549754985499550055015502550355045505550655075508550955105511551255135514551555165517551855195520552155225523552455255526552755285529553055315532553355345535553655375538553955405541554255435544554555465547554855495550555155525553555455555556555755585559556055615562556355645565556655675568556955705571557255735574557555765577557855795580558155825583558455855586558755885589559055915592559355945595559655975598559956005601560256035604560556065607560856095610561156125613561456155616561756185619562056215622562356245625562656275628562956305631563256335634563556365637563856395640564156425643564456455646564756485649565056515652565356545655565656575658565956605661566256635664566556665667566856695670567156725673567456755676567756785679568056815682568356845685568656875688568956905691569256935694569556965697569856995700570157025703570457055706570757085709571057115712571357145715571657175718571957205721572257235724572557265727572857295730573157325733573457355736573757385739574057415742574357445745574657475748574957505751575257535754575557565757575857595760576157625763576457655766576757685769577057715772577357745775577657775778577957805781578257835784578557865787578857895790579157925793579457955796579757985799580058015802580358045805580658075808580958105811581258135814581558165817581858195820582158225823582458255826582758285829583058315832583358345835583658375838583958405841584258435844584558465847584858495850585158525853585458555856585758585859586058615862586358645865586658675868586958705871587258735874587558765877587858795880588158825883588458855886588758885889589058915892589358945895589658975898589959005901590259035904590559065907590859095910591159125913591459155916591759185919592059215922592359245925592659275928592959305931593259335934593559365937593859395940594159425943594459455946594759485949595059515952595359545955595659575958595959605961596259635964596559665967596859695970597159725973597459755976597759785979598059815982598359845985598659875988598959905991599259935994599559965997599859996000600160026003600460056006600760086009601060116012601360146015601660176018601960206021602260236024602560266027602860296030603160326033603460356036603760386039604060416042604360446045604660476048604960506051605260536054605560566057605860596060606160626063606460656066606760686069607060716072607360746075607660776078607960806081608260836084608560866087608860896090609160926093609460956096609760986099610061016102610361046105610661076108610961106111611261136114611561166117611861196120612161226123612461256126612761286129613061316132613361346135613661376138613961406141614261436144614561466147614861496150615161526153615461556156615761586159616061616162616361646165616661676168616961706171617261736174617561766177617861796180618161826183618461856186618761886189619061916192619361946195619661976198619962006201620262036204620562066207620862096210621162126213621462156216621762186219622062216222622362246225622662276228622962306231623262336234623562366237623862396240624162426243624462456246624762486249625062516252625362546255625662576258625962606261626262636264626562666267626862696270627162726273627462756276627762786279628062816282628362846285628662876288628962906291629262936294629562966297629862996300630163026303630463056306630763086309631063116312631363146315631663176318631963206321632263236324632563266327632863296330633163326333633463356336633763386339634063416342634363446345634663476348634963506351635263536354635563566357635863596360636163626363636463656366636763686369637063716372637363746375637663776378637963806381638263836384638563866387638863896390639163926393639463956396639763986399640064016402640364046405640664076408640964106411641264136414641564166417641864196420642164226423642464256426642764286429643064316432643364346435643664376438643964406441644264436444644564466447644864496450645164526453645464556456645764586459646064616462646364646465646664676468646964706471647264736474647564766477647864796480648164826483648464856486648764886489649064916492649364946495649664976498649965006501650265036504650565066507650865096510651165126513651465156516651765186519652065216522652365246525652665276528652965306531653265336534653565366537653865396540654165426543654465456546654765486549655065516552655365546555655665576558655965606561656265636564656565666567656865696570657165726573657465756576657765786579658065816582658365846585658665876588658965906591659265936594659565966597659865996600660166026603660466056606660766086609661066116612661366146615661666176618661966206621662266236624662566266627662866296630663166326633663466356636663766386639664066416642664366446645664666476648664966506651665266536654665566566657665866596660666166626663666466656666666766686669667066716672667366746675667666776678667966806681668266836684668566866687668866896690669166926693669466956696669766986699670067016702670367046705670667076708670967106711671267136714671567166717671867196720672167226723672467256726672767286729673067316732673367346735673667376738673967406741674267436744674567466747674867496750675167526753675467556756675767586759676067616762676367646765676667676768676967706771677267736774677567766777677867796780678167826783678467856786678767886789679067916792679367946795679667976798679968006801680268036804680568066807680868096810681168126813681468156816681768186819682068216822682368246825682668276828682968306831683268336834683568366837683868396840684168426843684468456846684768486849685068516852685368546855685668576858685968606861686268636864686568666867686868696870687168726873687468756876687768786879688068816882688368846885688668876888688968906891689268936894689568966897689868996900690169026903690469056906690769086909691069116912691369146915691669176918691969206921692269236924692569266927692869296930693169326933693469356936693769386939694069416942694369446945694669476948694969506951695269536954695569566957695869596960696169626963696469656966696769686969697069716972697369746975697669776978697969806981698269836984698569866987698869896990699169926993699469956996699769986999700070017002700370047005700670077008700970107011701270137014701570167017701870197020702170227023702470257026702770287029703070317032703370347035703670377038703970407041704270437044704570467047704870497050705170527053705470557056705770587059706070617062706370647065706670677068706970707071707270737074707570767077707870797080708170827083708470857086708770887089709070917092709370947095709670977098709971007101710271037104710571067107710871097110711171127113711471157116711771187119712071217122712371247125712671277128712971307131713271337134713571367137713871397140714171427143714471457146714771487149715071517152715371547155715671577158715971607161716271637164716571667167716871697170717171727173717471757176717771787179718071817182718371847185718671877188718971907191719271937194719571967197719871997200720172027203720472057206720772087209721072117212721372147215721672177218721972207221722272237224722572267227722872297230723172327233723472357236723772387239724072417242724372447245724672477248724972507251725272537254725572567257725872597260726172627263726472657266726772687269727072717272727372747275727672777278727972807281728272837284728572867287728872897290729172927293729472957296729772987299730073017302730373047305730673077308730973107311731273137314731573167317731873197320732173227323732473257326732773287329733073317332733373347335733673377338733973407341734273437344734573467347734873497350735173527353735473557356735773587359736073617362736373647365736673677368736973707371737273737374737573767377737873797380738173827383738473857386738773887389739073917392739373947395739673977398739974007401740274037404740574067407740874097410741174127413741474157416741774187419742074217422742374247425742674277428742974307431743274337434743574367437743874397440744174427443744474457446744774487449745074517452745374547455745674577458745974607461746274637464746574667467746874697470747174727473747474757476747774787479748074817482748374847485748674877488748974907491749274937494749574967497749874997500750175027503750475057506750775087509751075117512751375147515751675177518751975207521752275237524752575267527752875297530753175327533753475357536753775387539754075417542754375447545754675477548754975507551755275537554755575567557755875597560756175627563756475657566756775687569757075717572757375747575757675777578757975807581758275837584758575867587758875897590759175927593759475957596759775987599760076017602760376047605760676077608760976107611761276137614761576167617761876197620762176227623762476257626762776287629763076317632763376347635763676377638763976407641764276437644764576467647764876497650765176527653765476557656765776587659766076617662766376647665766676677668766976707671767276737674767576767677767876797680768176827683768476857686768776887689769076917692769376947695769676977698769977007701770277037704770577067707770877097710771177127713771477157716771777187719772077217722772377247725772677277728772977307731773277337734773577367737773877397740774177427743774477457746774777487749775077517752775377547755775677577758775977607761776277637764776577667767776877697770777177727773777477757776777777787779778077817782778377847785778677877788778977907791779277937794779577967797779877997800780178027803780478057806780778087809781078117812781378147815781678177818781978207821782278237824782578267827782878297830783178327833783478357836783778387839784078417842784378447845784678477848784978507851785278537854785578567857785878597860786178627863786478657866786778687869787078717872787378747875787678777878787978807881788278837884788578867887788878897890789178927893789478957896789778987899790079017902790379047905790679077908790979107911791279137914791579167917791879197920792179227923792479257926792779287929793079317932793379347935793679377938793979407941794279437944794579467947794879497950795179527953795479557956795779587959796079617962796379647965796679677968796979707971797279737974797579767977797879797980798179827983798479857986798779887989799079917992799379947995799679977998799980008001800280038004800580068007800880098010801180128013801480158016801780188019802080218022802380248025802680278028802980308031803280338034803580368037803880398040804180428043804480458046804780488049805080518052805380548055805680578058805980608061806280638064806580668067806880698070807180728073807480758076807780788079808080818082808380848085808680878088808980908091809280938094809580968097809880998100810181028103810481058106810781088109811081118112811381148115811681178118811981208121812281238124812581268127812881298130813181328133813481358136813781388139814081418142814381448145814681478148814981508151815281538154815581568157815881598160816181628163816481658166816781688169817081718172817381748175817681778178817981808181818281838184818581868187818881898190819181928193819481958196819781988199820082018202820382048205820682078208820982108211821282138214821582168217821882198220822182228223822482258226822782288229823082318232823382348235823682378238823982408241824282438244824582468247824882498250825182528253825482558256825782588259826082618262826382648265826682678268826982708271827282738274827582768277827882798280828182828283828482858286828782888289829082918292829382948295829682978298829983008301830283038304830583068307830883098310831183128313831483158316831783188319832083218322832383248325832683278328832983308331833283338334833583368337833883398340834183428343834483458346834783488349835083518352835383548355835683578358835983608361836283638364836583668367836883698370837183728373837483758376837783788379838083818382838383848385838683878388838983908391839283938394839583968397839883998400840184028403840484058406840784088409841084118412841384148415841684178418841984208421842284238424842584268427842884298430843184328433843484358436843784388439844084418442844384448445844684478448844984508451845284538454845584568457845884598460846184628463846484658466846784688469847084718472847384748475847684778478847984808481848284838484848584868487848884898490849184928493849484958496849784988499850085018502850385048505850685078508850985108511851285138514851585168517851885198520852185228523852485258526852785288529853085318532853385348535853685378538853985408541854285438544854585468547854885498550855185528553855485558556855785588559856085618562856385648565856685678568856985708571857285738574857585768577857885798580858185828583858485858586858785888589859085918592859385948595859685978598859986008601860286038604860586068607860886098610861186128613861486158616861786188619862086218622862386248625862686278628862986308631863286338634863586368637863886398640864186428643864486458646864786488649865086518652865386548655865686578658865986608661866286638664866586668667866886698670867186728673867486758676867786788679868086818682868386848685868686878688868986908691869286938694869586968697869886998700870187028703870487058706870787088709871087118712871387148715871687178718871987208721872287238724872587268727872887298730873187328733873487358736873787388739874087418742874387448745874687478748874987508751875287538754875587568757875887598760876187628763876487658766876787688769877087718772877387748775877687778778877987808781878287838784878587868787878887898790879187928793879487958796879787988799880088018802880388048805880688078808880988108811881288138814881588168817881888198820882188228823882488258826882788288829883088318832883388348835883688378838883988408841884288438844884588468847884888498850885188528853885488558856885788588859886088618862886388648865886688678868886988708871887288738874887588768877887888798880888188828883888488858886888788888889889088918892889388948895889688978898889989008901890289038904890589068907890889098910891189128913891489158916891789188919892089218922892389248925892689278928892989308931893289338934893589368937893889398940894189428943894489458946894789488949895089518952895389548955895689578958895989608961896289638964896589668967896889698970897189728973897489758976897789788979898089818982898389848985898689878988898989908991899289938994899589968997899889999000900190029003900490059006900790089009901090119012901390149015901690179018901990209021902290239024902590269027902890299030903190329033903490359036903790389039904090419042904390449045904690479048904990509051905290539054905590569057905890599060906190629063906490659066906790689069907090719072907390749075907690779078907990809081908290839084908590869087908890899090909190929093909490959096909790989099910091019102910391049105910691079108910991109111911291139114911591169117911891199120912191229123912491259126912791289129913091319132913391349135913691379138913991409141914291439144914591469147914891499150915191529153915491559156915791589159916091619162916391649165916691679168916991709171917291739174917591769177917891799180918191829183918491859186918791889189919091919192919391949195919691979198919992009201920292039204920592069207920892099210921192129213921492159216921792189219922092219222922392249225922692279228922992309231923292339234923592369237923892399240924192429243924492459246924792489249925092519252925392549255925692579258925992609261926292639264926592669267926892699270927192729273927492759276927792789279928092819282928392849285928692879288928992909291929292939294929592969297929892999300930193029303930493059306930793089309931093119312931393149315931693179318931993209321932293239324932593269327932893299330933193329333933493359336933793389339934093419342934393449345934693479348934993509351935293539354935593569357935893599360936193629363936493659366936793689369937093719372937393749375937693779378937993809381938293839384938593869387938893899390939193929393939493959396939793989399940094019402940394049405940694079408940994109411941294139414941594169417941894199420942194229423942494259426942794289429943094319432943394349435943694379438943994409441944294439444944594469447944894499450945194529453945494559456945794589459946094619462946394649465946694679468946994709471947294739474947594769477947894799480948194829483948494859486948794889489949094919492949394949495949694979498949995009501950295039504950595069507950895099510951195129513951495159516951795189519952095219522952395249525952695279528952995309531953295339534953595369537953895399540954195429543954495459546954795489549955095519552955395549555955695579558955995609561956295639564956595669567956895699570957195729573957495759576957795789579958095819582958395849585958695879588958995909591959295939594959595969597959895999600960196029603960496059606960796089609961096119612961396149615961696179618961996209621962296239624962596269627962896299630963196329633963496359636963796389639964096419642964396449645964696479648964996509651965296539654965596569657965896599660966196629663966496659666966796689669967096719672967396749675967696779678967996809681968296839684968596869687968896899690969196929693969496959696969796989699970097019702970397049705970697079708970997109711971297139714971597169717971897199720972197229723972497259726972797289729973097319732973397349735973697379738973997409741974297439744974597469747974897499750975197529753975497559756975797589759976097619762976397649765976697679768976997709771977297739774977597769777977897799780978197829783978497859786978797889789979097919792979397949795979697979798979998009801980298039804980598069807980898099810981198129813981498159816981798189819982098219822982398249825982698279828982998309831983298339834983598369837983898399840984198429843984498459846984798489849985098519852985398549855985698579858985998609861986298639864986598669867986898699870987198729873987498759876987798789879988098819882988398849885988698879888988998909891989298939894989598969897989898999900990199029903990499059906990799089909991099119912991399149915991699179918991999209921992299239924992599269927992899299930993199329933993499359936993799389939994099419942994399449945994699479948994999509951995299539954995599569957995899599960996199629963996499659966996799689969997099719972997399749975997699779978997999809981998299839984998599869987998899899990999199929993999499959996999799989999100001000110002100031000410005100061000710008100091001010011100121001310014100151001610017100181001910020100211002210023100241002510026100271002810029100301003110032100331003410035100361003710038100391004010041100421004310044100451004610047100481004910050100511005210053100541005510056100571005810059100601006110062100631006410065100661006710068100691007010071100721007310074100751007610077100781007910080100811008210083100841008510086100871008810089100901009110092100931009410095100961009710098100991010010101101021010310104101051010610107101081010910110101111011210113101141011510116101171011810119101201012110122101231012410125101261012710128101291013010131101321013310134101351013610137101381013910140101411014210143101441014510146101471014810149101501015110152101531015410155101561015710158101591016010161101621016310164101651016610167101681016910170101711017210173101741017510176101771017810179101801018110182101831018410185101861018710188101891019010191101921019310194101951019610197101981019910200102011020210203102041020510206102071020810209102101021110212102131021410215102161021710218102191022010221102221022310224102251022610227102281022910230102311023210233102341023510236102371023810239102401024110242102431024410245102461024710248102491025010251102521025310254102551025610257102581025910260102611026210263102641026510266102671026810269102701027110272102731027410275102761027710278102791028010281102821028310284102851028610287102881028910290102911029210293102941029510296102971029810299103001030110302103031030410305103061030710308103091031010311103121031310314103151031610317103181031910320103211032210323103241032510326103271032810329103301033110332103331033410335103361033710338103391034010341103421034310344103451034610347103481034910350103511035210353103541035510356103571035810359103601036110362103631036410365103661036710368103691037010371103721037310374103751037610377103781037910380103811038210383103841038510386103871038810389103901039110392103931039410395103961039710398103991040010401104021040310404104051040610407104081040910410104111041210413104141041510416104171041810419104201042110422104231042410425104261042710428104291043010431104321043310434104351043610437104381043910440104411044210443104441044510446104471044810449104501045110452104531045410455104561045710458104591046010461104621046310464104651046610467104681046910470104711047210473104741047510476104771047810479104801048110482104831048410485104861048710488104891049010491104921049310494104951049610497104981049910500105011050210503105041050510506105071050810509105101051110512105131051410515105161051710518105191052010521105221052310524105251052610527105281052910530105311053210533105341053510536105371053810539105401054110542105431054410545105461054710548105491055010551105521055310554105551055610557105581055910560105611056210563105641056510566105671056810569105701057110572105731057410575105761057710578105791058010581105821058310584105851058610587105881058910590105911059210593105941059510596105971059810599106001060110602106031060410605106061060710608106091061010611106121061310614106151061610617106181061910620106211062210623106241062510626106271062810629106301063110632106331063410635106361063710638106391064010641106421064310644106451064610647106481064910650106511065210653106541065510656106571065810659106601066110662106631066410665106661066710668106691067010671106721067310674106751067610677106781067910680106811068210683106841068510686106871068810689106901069110692106931069410695106961069710698106991070010701107021070310704107051070610707107081070910710107111071210713107141071510716107171071810719107201072110722107231072410725107261072710728107291073010731107321073310734107351073610737107381073910740107411074210743107441074510746107471074810749107501075110752107531075410755107561075710758107591076010761107621076310764107651076610767107681076910770107711077210773107741077510776107771077810779107801078110782107831078410785107861078710788107891079010791107921079310794107951079610797107981079910800108011080210803108041080510806108071080810809108101081110812108131081410815108161081710818108191082010821108221082310824108251082610827108281082910830108311083210833108341083510836108371083810839108401084110842108431084410845108461084710848108491085010851108521085310854108551085610857108581085910860108611086210863108641086510866108671086810869108701087110872108731087410875108761087710878108791088010881108821088310884108851088610887108881088910890108911089210893108941089510896108971089810899109001090110902109031090410905109061090710908109091091010911109121091310914109151091610917109181091910920109211092210923109241092510926109271092810929109301093110932109331093410935109361093710938109391094010941109421094310944109451094610947109481094910950109511095210953109541095510956109571095810959109601096110962109631096410965109661096710968109691097010971109721097310974109751097610977109781097910980109811098210983109841098510986109871098810989109901099110992109931099410995109961099710998109991100011001110021100311004110051100611007110081100911010110111101211013110141101511016110171101811019110201102111022110231102411025110261102711028110291103011031110321103311034110351103611037110381103911040110411104211043110441104511046110471104811049110501105111052110531105411055110561105711058110591106011061110621106311064110651106611067110681106911070110711107211073110741107511076110771107811079110801108111082110831108411085110861108711088110891109011091110921109311094110951109611097110981109911100111011110211103111041110511106111071110811109111101111111112111131111411115111161111711118111191112011121111221112311124111251112611127111281112911130111311113211133111341113511136111371113811139111401114111142111431114411145111461114711148111491115011151111521115311154111551115611157111581115911160111611116211163111641116511166111671116811169111701117111172111731117411175111761117711178111791118011181111821118311184111851118611187111881118911190111911119211193111941119511196111971119811199112001120111202112031120411205112061120711208112091121011211112121121311214112151121611217112181121911220112211122211223112241122511226112271122811229112301123111232112331123411235112361123711238112391124011241112421124311244112451124611247112481124911250112511125211253112541125511256112571125811259112601126111262112631126411265112661126711268112691127011271112721127311274112751127611277112781127911280112811128211283112841128511286112871128811289112901129111292112931129411295112961129711298112991130011301113021130311304113051130611307113081130911310113111131211313113141131511316113171131811319113201132111322113231132411325113261132711328113291133011331113321133311334113351133611337113381133911340113411134211343113441134511346113471134811349113501135111352113531135411355113561135711358113591136011361113621136311364113651136611367113681136911370113711137211373113741137511376113771137811379113801138111382113831138411385113861138711388113891139011391113921139311394113951139611397113981139911400114011140211403114041140511406114071140811409114101141111412114131141411415114161141711418114191142011421114221142311424114251142611427114281142911430114311143211433114341143511436114371143811439114401144111442114431144411445114461144711448114491145011451114521145311454114551145611457114581145911460114611146211463114641146511466114671146811469114701147111472114731147411475114761147711478114791148011481114821148311484114851148611487114881148911490114911149211493114941149511496114971149811499115001150111502115031150411505115061150711508115091151011511115121151311514115151151611517115181151911520115211152211523115241152511526115271152811529115301153111532115331153411535115361153711538115391154011541115421154311544115451154611547115481154911550115511155211553115541155511556115571155811559115601156111562115631156411565115661156711568115691157011571115721157311574115751157611577115781157911580115811158211583115841158511586115871158811589115901159111592115931159411595115961159711598115991160011601116021160311604116051160611607116081160911610116111161211613116141161511616116171161811619116201162111622116231162411625116261162711628116291163011631116321163311634116351163611637116381163911640116411164211643116441164511646116471164811649116501165111652116531165411655116561165711658116591166011661116621166311664116651166611667116681166911670116711167211673116741167511676116771167811679116801168111682116831168411685116861168711688116891169011691116921169311694116951169611697116981169911700117011170211703117041170511706117071170811709117101171111712117131171411715117161171711718117191172011721117221172311724117251172611727117281172911730117311173211733117341173511736117371173811739117401174111742117431174411745117461174711748117491175011751117521175311754117551175611757117581175911760117611176211763117641176511766117671176811769117701177111772117731177411775117761177711778117791178011781117821178311784117851178611787117881178911790117911179211793117941179511796117971179811799118001180111802118031180411805118061180711808118091181011811118121181311814118151181611817118181181911820118211182211823118241182511826118271182811829118301183111832118331183411835118361183711838118391184011841118421184311844118451184611847118481184911850118511185211853118541185511856118571185811859118601186111862118631186411865118661186711868118691187011871118721187311874118751187611877118781187911880118811188211883118841188511886118871188811889118901189111892118931189411895118961189711898118991190011901119021190311904119051190611907119081190911910119111191211913119141191511916119171191811919119201192111922119231192411925119261192711928119291193011931119321193311934119351193611937119381193911940119411194211943119441194511946119471194811949119501195111952119531195411955119561195711958119591196011961119621196311964119651196611967119681196911970119711197211973119741197511976119771197811979119801198111982119831198411985119861198711988119891199011991119921199311994119951199611997119981199912000120011200212003120041200512006120071200812009120101201112012120131201412015120161201712018120191202012021120221202312024120251202612027120281202912030120311203212033120341203512036120371203812039120401204112042120431204412045120461204712048120491205012051120521205312054120551205612057120581205912060120611206212063120641206512066120671206812069120701207112072120731207412075120761207712078120791208012081120821208312084120851208612087120881208912090120911209212093120941209512096120971209812099121001210112102121031210412105121061210712108121091211012111121121211312114121151211612117121181211912120121211212212123121241212512126121271212812129121301213112132121331213412135121361213712138121391214012141121421214312144121451214612147121481214912150121511215212153121541215512156121571215812159121601216112162121631216412165121661216712168121691217012171121721217312174121751217612177121781217912180121811218212183121841218512186121871218812189121901219112192121931219412195121961219712198121991220012201122021220312204122051220612207122081220912210122111221212213122141221512216122171221812219122201222112222122231222412225122261222712228122291223012231122321223312234122351223612237122381223912240122411224212243122441224512246122471224812249122501225112252122531225412255122561225712258122591226012261122621226312264122651226612267122681226912270122711227212273122741227512276122771227812279122801228112282122831228412285122861228712288122891229012291122921229312294122951229612297122981229912300123011230212303123041230512306123071230812309123101231112312123131231412315123161231712318123191232012321123221232312324123251232612327123281232912330123311233212333123341233512336123371233812339123401234112342123431234412345123461234712348123491235012351123521235312354123551235612357123581235912360123611236212363123641236512366123671236812369123701237112372123731237412375123761237712378123791238012381123821238312384123851238612387123881238912390123911239212393123941239512396123971239812399124001240112402124031240412405124061240712408124091241012411124121241312414124151241612417124181241912420124211242212423124241242512426124271242812429124301243112432124331243412435124361243712438124391244012441124421244312444124451244612447124481244912450124511245212453124541245512456124571245812459124601246112462124631246412465124661246712468124691247012471124721247312474124751247612477124781247912480124811248212483124841248512486124871248812489124901249112492124931249412495124961249712498124991250012501125021250312504125051250612507125081250912510125111251212513125141251512516125171251812519125201252112522125231252412525125261252712528125291253012531125321253312534125351253612537125381253912540125411254212543125441254512546125471254812549125501255112552125531255412555125561255712558125591256012561125621256312564125651256612567125681256912570125711257212573125741257512576125771257812579125801258112582125831258412585125861258712588125891259012591125921259312594125951259612597125981259912600126011260212603126041260512606126071260812609126101261112612126131261412615126161261712618126191262012621126221262312624126251262612627126281262912630126311263212633126341263512636126371263812639126401264112642126431264412645126461264712648126491265012651126521265312654126551265612657126581265912660126611266212663126641266512666126671266812669126701267112672126731267412675126761267712678126791268012681126821268312684126851268612687126881268912690126911269212693126941269512696126971269812699127001270112702127031270412705127061270712708127091271012711127121271312714127151271612717127181271912720127211272212723127241272512726127271272812729127301273112732127331273412735127361273712738127391274012741127421274312744127451274612747127481274912750127511275212753127541275512756127571275812759127601276112762127631276412765127661276712768127691277012771127721277312774127751277612777127781277912780127811278212783127841278512786127871278812789127901279112792127931279412795127961279712798127991280012801128021280312804128051280612807128081280912810128111281212813128141281512816128171281812819128201282112822128231282412825128261282712828128291283012831128321283312834128351283612837128381283912840128411284212843128441284512846128471284812849128501285112852128531285412855128561285712858128591286012861128621286312864128651286612867128681286912870128711287212873128741287512876128771287812879128801288112882128831288412885128861288712888128891289012891128921289312894128951289612897128981289912900129011290212903129041290512906129071290812909129101291112912129131291412915129161291712918129191292012921129221292312924129251292612927129281292912930129311293212933129341293512936129371293812939129401294112942129431294412945129461294712948129491295012951129521295312954129551295612957129581295912960129611296212963129641296512966129671296812969129701297112972129731297412975129761297712978129791298012981129821298312984129851298612987129881298912990129911299212993129941299512996129971299812999130001300113002130031300413005130061300713008130091301013011130121301313014130151301613017130181301913020130211302213023130241302513026130271302813029130301303113032130331303413035130361303713038130391304013041130421304313044130451304613047130481304913050130511305213053130541305513056130571305813059130601306113062130631306413065130661306713068130691307013071130721307313074130751307613077130781307913080130811308213083130841308513086130871308813089130901309113092130931309413095130961309713098130991310013101131021310313104131051310613107131081310913110131111311213113131141311513116131171311813119131201312113122131231312413125131261312713128131291313013131131321313313134131351313613137131381313913140131411314213143131441314513146131471314813149131501315113152131531315413155131561315713158131591316013161131621316313164131651316613167131681316913170131711317213173131741317513176131771317813179131801318113182131831318413185131861318713188131891319013191131921319313194131951319613197131981319913200132011320213203132041320513206132071320813209132101321113212132131321413215132161321713218132191322013221132221322313224132251322613227132281322913230132311323213233132341323513236132371323813239132401324113242132431324413245132461324713248132491325013251132521325313254132551325613257132581325913260132611326213263132641326513266132671326813269132701327113272132731327413275132761327713278132791328013281132821328313284132851328613287132881328913290132911329213293132941329513296132971329813299133001330113302133031330413305133061330713308133091331013311133121331313314133151331613317133181331913320133211332213323133241332513326133271332813329133301333113332133331333413335133361333713338133391334013341133421334313344133451334613347133481334913350133511335213353133541335513356133571335813359133601336113362133631336413365133661336713368133691337013371133721337313374133751337613377133781337913380133811338213383133841338513386133871338813389133901339113392133931339413395133961339713398133991340013401134021340313404134051340613407134081340913410134111341213413134141341513416134171341813419134201342113422134231342413425134261342713428134291343013431134321343313434134351343613437134381343913440134411344213443134441344513446134471344813449134501345113452134531345413455134561345713458134591346013461134621346313464134651346613467134681346913470134711347213473134741347513476134771347813479134801348113482134831348413485134861348713488134891349013491134921349313494134951349613497134981349913500135011350213503135041350513506135071350813509135101351113512135131351413515135161351713518135191352013521135221352313524135251352613527135281352913530135311353213533135341353513536135371353813539135401354113542135431354413545135461354713548135491355013551135521355313554135551355613557135581355913560135611356213563135641356513566135671356813569135701357113572135731357413575135761357713578135791358013581135821358313584135851358613587135881358913590135911359213593135941359513596135971359813599136001360113602136031360413605136061360713608136091361013611136121361313614136151361613617136181361913620136211362213623136241362513626136271362813629136301363113632136331363413635136361363713638136391364013641136421364313644136451364613647136481364913650136511365213653136541365513656136571365813659136601366113662136631366413665136661366713668136691367013671136721367313674136751367613677136781367913680136811368213683136841368513686136871368813689136901369113692136931369413695136961369713698136991370013701137021370313704137051370613707137081370913710137111371213713137141371513716137171371813719137201372113722137231372413725
  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
  144. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  145. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  146. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  147. #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
  148. #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
  149. #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
  150. #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
  151. #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
  152. #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
  153. #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
  154. #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
  155. #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
  156. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  157. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  158. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  159. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  160. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  161. #define SFP_EEPROM_OPTIONS_SIZE 2
  162. #define EDC_MODE_LINEAR 0x0022
  163. #define EDC_MODE_LIMITING 0x0044
  164. #define EDC_MODE_PASSIVE_DAC 0x0055
  165. #define EDC_MODE_ACTIVE_DAC 0x0066
  166. /* ETS defines*/
  167. #define DCBX_INVALID_COS (0xFF)
  168. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  169. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  170. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  171. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  172. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  173. #define MAX_PACKET_SIZE (9700)
  174. #define MAX_KR_LINK_RETRY 4
  175. /**********************************************************/
  176. /* INTERFACE */
  177. /**********************************************************/
  178. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  179. bnx2x_cl45_write(_bp, _phy, \
  180. (_phy)->def_md_devad, \
  181. (_bank + (_addr & 0xf)), \
  182. _val)
  183. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  184. bnx2x_cl45_read(_bp, _phy, \
  185. (_phy)->def_md_devad, \
  186. (_bank + (_addr & 0xf)), \
  187. _val)
  188. static int bnx2x_check_half_open_conn(struct link_params *params,
  189. struct link_vars *vars, u8 notify);
  190. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  191. struct link_params *params);
  192. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  193. {
  194. u32 val = REG_RD(bp, reg);
  195. val |= bits;
  196. REG_WR(bp, reg, val);
  197. return val;
  198. }
  199. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  200. {
  201. u32 val = REG_RD(bp, reg);
  202. val &= ~bits;
  203. REG_WR(bp, reg, val);
  204. return val;
  205. }
  206. /*
  207. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  208. * or link flap can be avoided.
  209. *
  210. * @params: link parameters
  211. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  212. * condition code.
  213. */
  214. static int bnx2x_check_lfa(struct link_params *params)
  215. {
  216. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  217. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  218. u32 saved_val, req_val, eee_status;
  219. struct bnx2x *bp = params->bp;
  220. additional_config =
  221. REG_RD(bp, params->lfa_base +
  222. offsetof(struct shmem_lfa, additional_config));
  223. /* NOTE: must be first condition checked -
  224. * to verify DCC bit is cleared in any case!
  225. */
  226. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  227. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  228. REG_WR(bp, params->lfa_base +
  229. offsetof(struct shmem_lfa, additional_config),
  230. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  231. return LFA_DCC_LFA_DISABLED;
  232. }
  233. /* Verify that link is up */
  234. link_status = REG_RD(bp, params->shmem_base +
  235. offsetof(struct shmem_region,
  236. port_mb[params->port].link_status));
  237. if (!(link_status & LINK_STATUS_LINK_UP))
  238. return LFA_LINK_DOWN;
  239. /* if loaded after BOOT from SAN, don't flap the link in any case and
  240. * rely on link set by preboot driver
  241. */
  242. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  243. return 0;
  244. /* Verify that loopback mode is not set */
  245. if (params->loopback_mode)
  246. return LFA_LOOPBACK_ENABLED;
  247. /* Verify that MFW supports LFA */
  248. if (!params->lfa_base)
  249. return LFA_MFW_IS_TOO_OLD;
  250. if (params->num_phys == 3) {
  251. cfg_size = 2;
  252. lfa_mask = 0xffffffff;
  253. } else {
  254. cfg_size = 1;
  255. lfa_mask = 0xffff;
  256. }
  257. /* Compare Duplex */
  258. saved_val = REG_RD(bp, params->lfa_base +
  259. offsetof(struct shmem_lfa, req_duplex));
  260. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  261. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  262. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  263. (saved_val & lfa_mask), (req_val & lfa_mask));
  264. return LFA_DUPLEX_MISMATCH;
  265. }
  266. /* Compare Flow Control */
  267. saved_val = REG_RD(bp, params->lfa_base +
  268. offsetof(struct shmem_lfa, req_flow_ctrl));
  269. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  270. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  271. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  272. (saved_val & lfa_mask), (req_val & lfa_mask));
  273. return LFA_FLOW_CTRL_MISMATCH;
  274. }
  275. /* Compare Link Speed */
  276. saved_val = REG_RD(bp, params->lfa_base +
  277. offsetof(struct shmem_lfa, req_line_speed));
  278. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  279. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  280. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  281. (saved_val & lfa_mask), (req_val & lfa_mask));
  282. return LFA_LINK_SPEED_MISMATCH;
  283. }
  284. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  285. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  286. offsetof(struct shmem_lfa,
  287. speed_cap_mask[cfg_idx]));
  288. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  289. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  290. cur_speed_cap_mask,
  291. params->speed_cap_mask[cfg_idx]);
  292. return LFA_SPEED_CAP_MISMATCH;
  293. }
  294. }
  295. cur_req_fc_auto_adv =
  296. REG_RD(bp, params->lfa_base +
  297. offsetof(struct shmem_lfa, additional_config)) &
  298. REQ_FC_AUTO_ADV_MASK;
  299. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  300. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  301. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  302. return LFA_FLOW_CTRL_MISMATCH;
  303. }
  304. eee_status = REG_RD(bp, params->shmem2_base +
  305. offsetof(struct shmem2_region,
  306. eee_status[params->port]));
  307. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  308. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  309. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  310. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  311. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  312. eee_status);
  313. return LFA_EEE_MISMATCH;
  314. }
  315. /* LFA conditions are met */
  316. return 0;
  317. }
  318. /******************************************************************/
  319. /* EPIO/GPIO section */
  320. /******************************************************************/
  321. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  322. {
  323. u32 epio_mask, gp_oenable;
  324. *en = 0;
  325. /* Sanity check */
  326. if (epio_pin > 31) {
  327. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  328. return;
  329. }
  330. epio_mask = 1 << epio_pin;
  331. /* Set this EPIO to output */
  332. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  333. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  334. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  335. }
  336. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  337. {
  338. u32 epio_mask, gp_output, gp_oenable;
  339. /* Sanity check */
  340. if (epio_pin > 31) {
  341. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  342. return;
  343. }
  344. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  345. epio_mask = 1 << epio_pin;
  346. /* Set this EPIO to output */
  347. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  348. if (en)
  349. gp_output |= epio_mask;
  350. else
  351. gp_output &= ~epio_mask;
  352. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  353. /* Set the value for this EPIO */
  354. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  355. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  356. }
  357. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  358. {
  359. if (pin_cfg == PIN_CFG_NA)
  360. return;
  361. if (pin_cfg >= PIN_CFG_EPIO0) {
  362. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  363. } else {
  364. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  365. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  366. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  367. }
  368. }
  369. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  370. {
  371. if (pin_cfg == PIN_CFG_NA)
  372. return -EINVAL;
  373. if (pin_cfg >= PIN_CFG_EPIO0) {
  374. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  375. } else {
  376. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  377. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  378. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  379. }
  380. return 0;
  381. }
  382. /******************************************************************/
  383. /* ETS section */
  384. /******************************************************************/
  385. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  386. {
  387. /* ETS disabled configuration*/
  388. struct bnx2x *bp = params->bp;
  389. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  390. /* mapping between entry priority to client number (0,1,2 -debug and
  391. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  392. * 3bits client num.
  393. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  394. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  395. */
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  397. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  398. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  399. * COS0 entry, 4 - COS1 entry.
  400. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  401. * bit4 bit3 bit2 bit1 bit0
  402. * MCP and debug are strict
  403. */
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  405. /* defines which entries (clients) are subjected to WFQ arbitration */
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  407. /* For strict priority entries defines the number of consecutive
  408. * slots for the highest priority.
  409. */
  410. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  411. /* mapping between the CREDIT_WEIGHT registers and actual client
  412. * numbers
  413. */
  414. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  415. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  416. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  418. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  419. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  420. /* ETS mode disable */
  421. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  422. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  423. * weight for COS0/COS1.
  424. */
  425. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  426. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  427. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  428. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  429. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  430. /* Defines the number of consecutive slots for the strict priority */
  431. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting min_w_val will be set according to line speed .
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  439. {
  440. u32 min_w_val = 0;
  441. /* Calculate min_w_val.*/
  442. if (vars->link_up) {
  443. if (vars->line_speed == SPEED_20000)
  444. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  445. else
  446. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  447. } else
  448. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  449. /* If the link isn't up (static configuration for example ) The
  450. * link will be according to 20GBPS.
  451. */
  452. return min_w_val;
  453. }
  454. /******************************************************************************
  455. * Description:
  456. * Getting credit upper bound form min_w_val.
  457. *.
  458. ******************************************************************************/
  459. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  460. {
  461. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  462. MAX_PACKET_SIZE);
  463. return credit_upper_bound;
  464. }
  465. /******************************************************************************
  466. * Description:
  467. * Set credit upper bound for NIG.
  468. *.
  469. ******************************************************************************/
  470. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  471. const struct link_params *params,
  472. const u32 min_w_val)
  473. {
  474. struct bnx2x *bp = params->bp;
  475. const u8 port = params->port;
  476. const u32 credit_upper_bound =
  477. bnx2x_ets_get_credit_upper_bound(min_w_val);
  478. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  479. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  480. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  481. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  482. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  483. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  485. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  486. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  487. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  488. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  489. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  490. if (!port) {
  491. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  492. credit_upper_bound);
  493. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  494. credit_upper_bound);
  495. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  496. credit_upper_bound);
  497. }
  498. }
  499. /******************************************************************************
  500. * Description:
  501. * Will return the NIG ETS registers to init values.Except
  502. * credit_upper_bound.
  503. * That isn't used in this configuration (No WFQ is enabled) and will be
  504. * configured acording to spec
  505. *.
  506. ******************************************************************************/
  507. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  508. const struct link_vars *vars)
  509. {
  510. struct bnx2x *bp = params->bp;
  511. const u8 port = params->port;
  512. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  513. /* Mapping between entry priority to client number (0,1,2 -debug and
  514. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  515. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  516. * reset value or init tool
  517. */
  518. if (port) {
  519. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  520. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  521. } else {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  524. }
  525. /* For strict priority entries defines the number of consecutive
  526. * slots for the highest priority.
  527. */
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  529. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  530. /* Mapping between the CREDIT_WEIGHT registers and actual client
  531. * numbers
  532. */
  533. if (port) {
  534. /*Port 1 has 6 COS*/
  535. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  536. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  537. } else {
  538. /*Port 0 has 9 COS*/
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  540. 0x43210876);
  541. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  542. }
  543. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  544. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  545. * COS0 entry, 4 - COS1 entry.
  546. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  547. * bit4 bit3 bit2 bit1 bit0
  548. * MCP and debug are strict
  549. */
  550. if (port)
  551. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  552. else
  553. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  554. /* defines which entries (clients) are subjected to WFQ arbitration */
  555. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  556. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  557. /* Please notice the register address are note continuous and a
  558. * for here is note appropriate.In 2 port mode port0 only COS0-5
  559. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  560. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  561. * are never used for WFQ
  562. */
  563. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  564. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  565. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  566. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  567. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  568. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  569. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  570. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  571. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  572. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  573. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  574. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  575. if (!port) {
  576. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  577. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  578. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  579. }
  580. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  581. }
  582. /******************************************************************************
  583. * Description:
  584. * Set credit upper bound for PBF.
  585. *.
  586. ******************************************************************************/
  587. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  588. const struct link_params *params,
  589. const u32 min_w_val)
  590. {
  591. struct bnx2x *bp = params->bp;
  592. const u32 credit_upper_bound =
  593. bnx2x_ets_get_credit_upper_bound(min_w_val);
  594. const u8 port = params->port;
  595. u32 base_upper_bound = 0;
  596. u8 max_cos = 0;
  597. u8 i = 0;
  598. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  599. * port mode port1 has COS0-2 that can be used for WFQ.
  600. */
  601. if (!port) {
  602. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  603. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  604. } else {
  605. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  606. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  607. }
  608. for (i = 0; i < max_cos; i++)
  609. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  610. }
  611. /******************************************************************************
  612. * Description:
  613. * Will return the PBF ETS registers to init values.Except
  614. * credit_upper_bound.
  615. * That isn't used in this configuration (No WFQ is enabled) and will be
  616. * configured acording to spec
  617. *.
  618. ******************************************************************************/
  619. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  620. {
  621. struct bnx2x *bp = params->bp;
  622. const u8 port = params->port;
  623. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  624. u8 i = 0;
  625. u32 base_weight = 0;
  626. u8 max_cos = 0;
  627. /* Mapping between entry priority to client number 0 - COS0
  628. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  629. * TODO_ETS - Should be done by reset value or init tool
  630. */
  631. if (port)
  632. /* 0x688 (|011|0 10|00 1|000) */
  633. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  634. else
  635. /* (10 1|100 |011|0 10|00 1|000) */
  636. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  637. /* TODO_ETS - Should be done by reset value or init tool */
  638. if (port)
  639. /* 0x688 (|011|0 10|00 1|000)*/
  640. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  641. else
  642. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  643. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  644. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  645. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  646. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  647. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  648. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  649. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  650. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  651. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  652. */
  653. if (!port) {
  654. base_weight = PBF_REG_COS0_WEIGHT_P0;
  655. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  656. } else {
  657. base_weight = PBF_REG_COS0_WEIGHT_P1;
  658. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  659. }
  660. for (i = 0; i < max_cos; i++)
  661. REG_WR(bp, base_weight + (0x4 * i), 0);
  662. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  663. }
  664. /******************************************************************************
  665. * Description:
  666. * E3B0 disable will return basicly the values to init values.
  667. *.
  668. ******************************************************************************/
  669. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  670. const struct link_vars *vars)
  671. {
  672. struct bnx2x *bp = params->bp;
  673. if (!CHIP_IS_E3B0(bp)) {
  674. DP(NETIF_MSG_LINK,
  675. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  676. return -EINVAL;
  677. }
  678. bnx2x_ets_e3b0_nig_disabled(params, vars);
  679. bnx2x_ets_e3b0_pbf_disabled(params);
  680. return 0;
  681. }
  682. /******************************************************************************
  683. * Description:
  684. * Disable will return basicly the values to init values.
  685. *
  686. ******************************************************************************/
  687. int bnx2x_ets_disabled(struct link_params *params,
  688. struct link_vars *vars)
  689. {
  690. struct bnx2x *bp = params->bp;
  691. int bnx2x_status = 0;
  692. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  693. bnx2x_ets_e2e3a0_disabled(params);
  694. else if (CHIP_IS_E3B0(bp))
  695. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  696. else {
  697. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  698. return -EINVAL;
  699. }
  700. return bnx2x_status;
  701. }
  702. /******************************************************************************
  703. * Description
  704. * Set the COS mappimg to SP and BW until this point all the COS are not
  705. * set as SP or BW.
  706. ******************************************************************************/
  707. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  708. const struct bnx2x_ets_params *ets_params,
  709. const u8 cos_sp_bitmap,
  710. const u8 cos_bw_bitmap)
  711. {
  712. struct bnx2x *bp = params->bp;
  713. const u8 port = params->port;
  714. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  715. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  716. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  717. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  718. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  719. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  720. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  721. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  722. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  723. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  724. nig_cli_subject2wfq_bitmap);
  725. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  726. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  727. pbf_cli_subject2wfq_bitmap);
  728. return 0;
  729. }
  730. /******************************************************************************
  731. * Description:
  732. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  733. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  734. ******************************************************************************/
  735. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  736. const u8 cos_entry,
  737. const u32 min_w_val_nig,
  738. const u32 min_w_val_pbf,
  739. const u16 total_bw,
  740. const u8 bw,
  741. const u8 port)
  742. {
  743. u32 nig_reg_adress_crd_weight = 0;
  744. u32 pbf_reg_adress_crd_weight = 0;
  745. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  746. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  747. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  748. switch (cos_entry) {
  749. case 0:
  750. nig_reg_adress_crd_weight =
  751. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  753. pbf_reg_adress_crd_weight = (port) ?
  754. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  755. break;
  756. case 1:
  757. nig_reg_adress_crd_weight = (port) ?
  758. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  759. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  760. pbf_reg_adress_crd_weight = (port) ?
  761. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  762. break;
  763. case 2:
  764. nig_reg_adress_crd_weight = (port) ?
  765. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  766. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  767. pbf_reg_adress_crd_weight = (port) ?
  768. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  769. break;
  770. case 3:
  771. if (port)
  772. return -EINVAL;
  773. nig_reg_adress_crd_weight =
  774. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  775. pbf_reg_adress_crd_weight =
  776. PBF_REG_COS3_WEIGHT_P0;
  777. break;
  778. case 4:
  779. if (port)
  780. return -EINVAL;
  781. nig_reg_adress_crd_weight =
  782. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  783. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  784. break;
  785. case 5:
  786. if (port)
  787. return -EINVAL;
  788. nig_reg_adress_crd_weight =
  789. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  790. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  791. break;
  792. }
  793. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  794. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  795. return 0;
  796. }
  797. /******************************************************************************
  798. * Description:
  799. * Calculate the total BW.A value of 0 isn't legal.
  800. *
  801. ******************************************************************************/
  802. static int bnx2x_ets_e3b0_get_total_bw(
  803. const struct link_params *params,
  804. struct bnx2x_ets_params *ets_params,
  805. u16 *total_bw)
  806. {
  807. struct bnx2x *bp = params->bp;
  808. u8 cos_idx = 0;
  809. u8 is_bw_cos_exist = 0;
  810. *total_bw = 0 ;
  811. /* Calculate total BW requested */
  812. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  813. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  814. is_bw_cos_exist = 1;
  815. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  816. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  817. "was set to 0\n");
  818. /* This is to prevent a state when ramrods
  819. * can't be sent
  820. */
  821. ets_params->cos[cos_idx].params.bw_params.bw
  822. = 1;
  823. }
  824. *total_bw +=
  825. ets_params->cos[cos_idx].params.bw_params.bw;
  826. }
  827. }
  828. /* Check total BW is valid */
  829. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  830. if (*total_bw == 0) {
  831. DP(NETIF_MSG_LINK,
  832. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  833. return -EINVAL;
  834. }
  835. DP(NETIF_MSG_LINK,
  836. "bnx2x_ets_E3B0_config total BW should be 100\n");
  837. /* We can handle a case whre the BW isn't 100 this can happen
  838. * if the TC are joined.
  839. */
  840. }
  841. return 0;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Invalidate all the sp_pri_to_cos.
  846. *
  847. ******************************************************************************/
  848. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  849. {
  850. u8 pri = 0;
  851. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  852. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  853. }
  854. /******************************************************************************
  855. * Description:
  856. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  857. * according to sp_pri_to_cos.
  858. *
  859. ******************************************************************************/
  860. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  861. u8 *sp_pri_to_cos, const u8 pri,
  862. const u8 cos_entry)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. const u8 port = params->port;
  866. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  867. DCBX_E3B0_MAX_NUM_COS_PORT0;
  868. if (pri >= max_num_of_cos) {
  869. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  870. "parameter Illegal strict priority\n");
  871. return -EINVAL;
  872. }
  873. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  874. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  875. "parameter There can't be two COS's with "
  876. "the same strict pri\n");
  877. return -EINVAL;
  878. }
  879. sp_pri_to_cos[pri] = cos_entry;
  880. return 0;
  881. }
  882. /******************************************************************************
  883. * Description:
  884. * Returns the correct value according to COS and priority in
  885. * the sp_pri_cli register.
  886. *
  887. ******************************************************************************/
  888. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  889. const u8 pri_set,
  890. const u8 pri_offset,
  891. const u8 entry_size)
  892. {
  893. u64 pri_cli_nig = 0;
  894. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  895. (pri_set + pri_offset));
  896. return pri_cli_nig;
  897. }
  898. /******************************************************************************
  899. * Description:
  900. * Returns the correct value according to COS and priority in the
  901. * sp_pri_cli register for NIG.
  902. *
  903. ******************************************************************************/
  904. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  905. {
  906. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  907. const u8 nig_cos_offset = 3;
  908. const u8 nig_pri_offset = 3;
  909. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  910. nig_pri_offset, 4);
  911. }
  912. /******************************************************************************
  913. * Description:
  914. * Returns the correct value according to COS and priority in the
  915. * sp_pri_cli register for PBF.
  916. *
  917. ******************************************************************************/
  918. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  919. {
  920. const u8 pbf_cos_offset = 0;
  921. const u8 pbf_pri_offset = 0;
  922. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  923. pbf_pri_offset, 3);
  924. }
  925. /******************************************************************************
  926. * Description:
  927. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  928. * according to sp_pri_to_cos.(which COS has higher priority)
  929. *
  930. ******************************************************************************/
  931. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  932. u8 *sp_pri_to_cos)
  933. {
  934. struct bnx2x *bp = params->bp;
  935. u8 i = 0;
  936. const u8 port = params->port;
  937. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  938. u64 pri_cli_nig = 0x210;
  939. u32 pri_cli_pbf = 0x0;
  940. u8 pri_set = 0;
  941. u8 pri_bitmask = 0;
  942. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  943. DCBX_E3B0_MAX_NUM_COS_PORT0;
  944. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  945. /* Set all the strict priority first */
  946. for (i = 0; i < max_num_of_cos; i++) {
  947. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  948. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  949. DP(NETIF_MSG_LINK,
  950. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  951. "invalid cos entry\n");
  952. return -EINVAL;
  953. }
  954. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  955. sp_pri_to_cos[i], pri_set);
  956. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  957. sp_pri_to_cos[i], pri_set);
  958. pri_bitmask = 1 << sp_pri_to_cos[i];
  959. /* COS is used remove it from bitmap.*/
  960. if (!(pri_bitmask & cos_bit_to_set)) {
  961. DP(NETIF_MSG_LINK,
  962. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  963. "invalid There can't be two COS's with"
  964. " the same strict pri\n");
  965. return -EINVAL;
  966. }
  967. cos_bit_to_set &= ~pri_bitmask;
  968. pri_set++;
  969. }
  970. }
  971. /* Set all the Non strict priority i= COS*/
  972. for (i = 0; i < max_num_of_cos; i++) {
  973. pri_bitmask = 1 << i;
  974. /* Check if COS was already used for SP */
  975. if (pri_bitmask & cos_bit_to_set) {
  976. /* COS wasn't used for SP */
  977. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  978. i, pri_set);
  979. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  980. i, pri_set);
  981. /* COS is used remove it from bitmap.*/
  982. cos_bit_to_set &= ~pri_bitmask;
  983. pri_set++;
  984. }
  985. }
  986. if (pri_set != max_num_of_cos) {
  987. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  988. "entries were set\n");
  989. return -EINVAL;
  990. }
  991. if (port) {
  992. /* Only 6 usable clients*/
  993. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  994. (u32)pri_cli_nig);
  995. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  996. } else {
  997. /* Only 9 usable clients*/
  998. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  999. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  1000. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  1001. pri_cli_nig_lsb);
  1002. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  1003. pri_cli_nig_msb);
  1004. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  1005. }
  1006. return 0;
  1007. }
  1008. /******************************************************************************
  1009. * Description:
  1010. * Configure the COS to ETS according to BW and SP settings.
  1011. ******************************************************************************/
  1012. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1013. const struct link_vars *vars,
  1014. struct bnx2x_ets_params *ets_params)
  1015. {
  1016. struct bnx2x *bp = params->bp;
  1017. int bnx2x_status = 0;
  1018. const u8 port = params->port;
  1019. u16 total_bw = 0;
  1020. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1021. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1022. u8 cos_bw_bitmap = 0;
  1023. u8 cos_sp_bitmap = 0;
  1024. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1025. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1026. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1027. u8 cos_entry = 0;
  1028. if (!CHIP_IS_E3B0(bp)) {
  1029. DP(NETIF_MSG_LINK,
  1030. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1031. return -EINVAL;
  1032. }
  1033. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1034. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1035. "isn't supported\n");
  1036. return -EINVAL;
  1037. }
  1038. /* Prepare sp strict priority parameters*/
  1039. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1040. /* Prepare BW parameters*/
  1041. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1042. &total_bw);
  1043. if (bnx2x_status) {
  1044. DP(NETIF_MSG_LINK,
  1045. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1046. return -EINVAL;
  1047. }
  1048. /* Upper bound is set according to current link speed (min_w_val
  1049. * should be the same for upper bound and COS credit val).
  1050. */
  1051. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1052. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1053. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1054. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1055. cos_bw_bitmap |= (1 << cos_entry);
  1056. /* The function also sets the BW in HW(not the mappin
  1057. * yet)
  1058. */
  1059. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1060. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1061. total_bw,
  1062. ets_params->cos[cos_entry].params.bw_params.bw,
  1063. port);
  1064. } else if (bnx2x_cos_state_strict ==
  1065. ets_params->cos[cos_entry].state){
  1066. cos_sp_bitmap |= (1 << cos_entry);
  1067. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1068. params,
  1069. sp_pri_to_cos,
  1070. ets_params->cos[cos_entry].params.sp_params.pri,
  1071. cos_entry);
  1072. } else {
  1073. DP(NETIF_MSG_LINK,
  1074. "bnx2x_ets_e3b0_config cos state not valid\n");
  1075. return -EINVAL;
  1076. }
  1077. if (bnx2x_status) {
  1078. DP(NETIF_MSG_LINK,
  1079. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1080. return bnx2x_status;
  1081. }
  1082. }
  1083. /* Set SP register (which COS has higher priority) */
  1084. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1085. sp_pri_to_cos);
  1086. if (bnx2x_status) {
  1087. DP(NETIF_MSG_LINK,
  1088. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1089. return bnx2x_status;
  1090. }
  1091. /* Set client mapping of BW and strict */
  1092. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1093. cos_sp_bitmap,
  1094. cos_bw_bitmap);
  1095. if (bnx2x_status) {
  1096. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1097. return bnx2x_status;
  1098. }
  1099. return 0;
  1100. }
  1101. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1102. {
  1103. /* ETS disabled configuration */
  1104. struct bnx2x *bp = params->bp;
  1105. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1106. /* Defines which entries (clients) are subjected to WFQ arbitration
  1107. * COS0 0x8
  1108. * COS1 0x10
  1109. */
  1110. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1111. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1112. * client numbers (WEIGHT_0 does not actually have to represent
  1113. * client 0)
  1114. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1115. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1116. */
  1117. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1118. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1119. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1121. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1122. /* ETS mode enabled*/
  1123. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1126. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1127. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1128. * entry, 4 - COS1 entry.
  1129. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1130. * bit4 bit3 bit2 bit1 bit0
  1131. * MCP and debug are strict
  1132. */
  1133. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1134. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1135. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1136. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1137. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1138. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1139. }
  1140. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1141. const u32 cos1_bw)
  1142. {
  1143. /* ETS disabled configuration*/
  1144. struct bnx2x *bp = params->bp;
  1145. const u32 total_bw = cos0_bw + cos1_bw;
  1146. u32 cos0_credit_weight = 0;
  1147. u32 cos1_credit_weight = 0;
  1148. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1149. if ((!total_bw) ||
  1150. (!cos0_bw) ||
  1151. (!cos1_bw)) {
  1152. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1153. return;
  1154. }
  1155. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1156. total_bw;
  1157. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1158. total_bw;
  1159. bnx2x_ets_bw_limit_common(params);
  1160. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1162. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1163. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1164. }
  1165. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1166. {
  1167. /* ETS disabled configuration*/
  1168. struct bnx2x *bp = params->bp;
  1169. u32 val = 0;
  1170. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1171. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1172. * as strict. Bits 0,1,2 - debug and management entries,
  1173. * 3 - COS0 entry, 4 - COS1 entry.
  1174. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1175. * bit4 bit3 bit2 bit1 bit0
  1176. * MCP and debug are strict
  1177. */
  1178. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1179. /* For strict priority entries defines the number of consecutive slots
  1180. * for the highest priority.
  1181. */
  1182. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1183. /* ETS mode disable */
  1184. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1185. /* Defines the number of consecutive slots for the strict priority */
  1186. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1187. /* Defines the number of consecutive slots for the strict priority */
  1188. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1189. /* Mapping between entry priority to client number (0,1,2 -debug and
  1190. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1191. * 3bits client num.
  1192. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1193. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1194. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1195. */
  1196. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1197. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1198. return 0;
  1199. }
  1200. /******************************************************************/
  1201. /* PFC section */
  1202. /******************************************************************/
  1203. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1204. struct link_vars *vars,
  1205. u8 is_lb)
  1206. {
  1207. struct bnx2x *bp = params->bp;
  1208. u32 xmac_base;
  1209. u32 pause_val, pfc0_val, pfc1_val;
  1210. /* XMAC base adrr */
  1211. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1212. /* Initialize pause and pfc registers */
  1213. pause_val = 0x18000;
  1214. pfc0_val = 0xFFFF8000;
  1215. pfc1_val = 0x2;
  1216. /* No PFC support */
  1217. if (!(params->feature_config_flags &
  1218. FEATURE_CONFIG_PFC_ENABLED)) {
  1219. /* RX flow control - Process pause frame in receive direction
  1220. */
  1221. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1222. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1223. /* TX flow control - Send pause packet when buffer is full */
  1224. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1225. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1226. } else {/* PFC support */
  1227. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1228. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1229. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1230. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1231. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1232. /* Write pause and PFC registers */
  1233. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1234. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1235. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1236. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1237. }
  1238. /* Write pause and PFC registers */
  1239. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1240. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1241. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1242. /* Set MAC address for source TX Pause/PFC frames */
  1243. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1244. ((params->mac_addr[2] << 24) |
  1245. (params->mac_addr[3] << 16) |
  1246. (params->mac_addr[4] << 8) |
  1247. (params->mac_addr[5])));
  1248. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1249. ((params->mac_addr[0] << 8) |
  1250. (params->mac_addr[1])));
  1251. udelay(30);
  1252. }
  1253. /******************************************************************/
  1254. /* MAC/PBF section */
  1255. /******************************************************************/
  1256. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1257. u32 emac_base)
  1258. {
  1259. u32 new_mode, cur_mode;
  1260. u32 clc_cnt;
  1261. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1262. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1263. */
  1264. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1265. if (USES_WARPCORE(bp))
  1266. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1267. else
  1268. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1269. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1270. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1271. return;
  1272. new_mode = cur_mode &
  1273. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1274. new_mode |= clc_cnt;
  1275. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1276. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1277. cur_mode, new_mode);
  1278. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1279. udelay(40);
  1280. }
  1281. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1282. struct link_params *params)
  1283. {
  1284. u8 phy_index;
  1285. /* Set mdio clock per phy */
  1286. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1287. phy_index++)
  1288. bnx2x_set_mdio_clk(bp, params->chip_id,
  1289. params->phy[phy_index].mdio_ctrl);
  1290. }
  1291. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1292. {
  1293. u32 port4mode_ovwr_val;
  1294. /* Check 4-port override enabled */
  1295. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1296. if (port4mode_ovwr_val & (1<<0)) {
  1297. /* Return 4-port mode override value */
  1298. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1299. }
  1300. /* Return 4-port mode from input pin */
  1301. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1302. }
  1303. static void bnx2x_emac_init(struct link_params *params,
  1304. struct link_vars *vars)
  1305. {
  1306. /* reset and unreset the emac core */
  1307. struct bnx2x *bp = params->bp;
  1308. u8 port = params->port;
  1309. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1310. u32 val;
  1311. u16 timeout;
  1312. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1313. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1314. udelay(5);
  1315. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1316. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1317. /* init emac - use read-modify-write */
  1318. /* self clear reset */
  1319. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1320. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1321. timeout = 200;
  1322. do {
  1323. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1324. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1325. if (!timeout) {
  1326. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1327. return;
  1328. }
  1329. timeout--;
  1330. } while (val & EMAC_MODE_RESET);
  1331. bnx2x_set_mdio_emac_per_phy(bp, params);
  1332. /* Set mac address */
  1333. val = ((params->mac_addr[0] << 8) |
  1334. params->mac_addr[1]);
  1335. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1336. val = ((params->mac_addr[2] << 24) |
  1337. (params->mac_addr[3] << 16) |
  1338. (params->mac_addr[4] << 8) |
  1339. params->mac_addr[5]);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1341. }
  1342. static void bnx2x_set_xumac_nig(struct link_params *params,
  1343. u16 tx_pause_en,
  1344. u8 enable)
  1345. {
  1346. struct bnx2x *bp = params->bp;
  1347. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1348. enable);
  1349. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1350. enable);
  1351. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1352. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1353. }
  1354. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1355. {
  1356. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1357. u32 val;
  1358. struct bnx2x *bp = params->bp;
  1359. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1360. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1361. return;
  1362. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1363. if (en)
  1364. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1365. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1366. else
  1367. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1368. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1369. /* Disable RX and TX */
  1370. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1371. }
  1372. static void bnx2x_umac_enable(struct link_params *params,
  1373. struct link_vars *vars, u8 lb)
  1374. {
  1375. u32 val;
  1376. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1377. struct bnx2x *bp = params->bp;
  1378. /* Reset UMAC */
  1379. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1380. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1381. usleep_range(1000, 2000);
  1382. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1383. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1384. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1385. /* This register opens the gate for the UMAC despite its name */
  1386. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1387. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1388. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1389. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1390. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1391. switch (vars->line_speed) {
  1392. case SPEED_10:
  1393. val |= (0<<2);
  1394. break;
  1395. case SPEED_100:
  1396. val |= (1<<2);
  1397. break;
  1398. case SPEED_1000:
  1399. val |= (2<<2);
  1400. break;
  1401. case SPEED_2500:
  1402. val |= (3<<2);
  1403. break;
  1404. default:
  1405. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1406. vars->line_speed);
  1407. break;
  1408. }
  1409. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1410. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1411. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1412. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1413. if (vars->duplex == DUPLEX_HALF)
  1414. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1415. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1416. udelay(50);
  1417. /* Configure UMAC for EEE */
  1418. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1419. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1420. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1421. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1422. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1423. } else {
  1424. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1425. }
  1426. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1427. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1428. ((params->mac_addr[2] << 24) |
  1429. (params->mac_addr[3] << 16) |
  1430. (params->mac_addr[4] << 8) |
  1431. (params->mac_addr[5])));
  1432. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1433. ((params->mac_addr[0] << 8) |
  1434. (params->mac_addr[1])));
  1435. /* Enable RX and TX */
  1436. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1437. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1438. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1439. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1440. udelay(50);
  1441. /* Remove SW Reset */
  1442. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1443. /* Check loopback mode */
  1444. if (lb)
  1445. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1446. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1447. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1448. * length used by the MAC receive logic to check frames.
  1449. */
  1450. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1451. bnx2x_set_xumac_nig(params,
  1452. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1453. vars->mac_type = MAC_TYPE_UMAC;
  1454. }
  1455. /* Define the XMAC mode */
  1456. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1457. {
  1458. struct bnx2x *bp = params->bp;
  1459. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1460. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1461. * already out of reset, it means the mode has already been set,
  1462. * and it must not* reset the XMAC again, since it controls both
  1463. * ports of the path
  1464. */
  1465. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1466. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1467. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1468. is_port4mode &&
  1469. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1470. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1471. DP(NETIF_MSG_LINK,
  1472. "XMAC already out of reset in 4-port mode\n");
  1473. return;
  1474. }
  1475. /* Hard reset */
  1476. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1477. MISC_REGISTERS_RESET_REG_2_XMAC);
  1478. usleep_range(1000, 2000);
  1479. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1480. MISC_REGISTERS_RESET_REG_2_XMAC);
  1481. if (is_port4mode) {
  1482. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1483. /* Set the number of ports on the system side to up to 2 */
  1484. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1485. /* Set the number of ports on the Warp Core to 10G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1487. } else {
  1488. /* Set the number of ports on the system side to 1 */
  1489. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1490. if (max_speed == SPEED_10000) {
  1491. DP(NETIF_MSG_LINK,
  1492. "Init XMAC to 10G x 1 port per path\n");
  1493. /* Set the number of ports on the Warp Core to 10G */
  1494. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1495. } else {
  1496. DP(NETIF_MSG_LINK,
  1497. "Init XMAC to 20G x 2 ports per path\n");
  1498. /* Set the number of ports on the Warp Core to 20G */
  1499. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1500. }
  1501. }
  1502. /* Soft reset */
  1503. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1504. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1505. usleep_range(1000, 2000);
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1508. }
  1509. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1510. {
  1511. u8 port = params->port;
  1512. struct bnx2x *bp = params->bp;
  1513. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1514. u32 val;
  1515. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1516. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1517. /* Send an indication to change the state in the NIG back to XON
  1518. * Clearing this bit enables the next set of this bit to get
  1519. * rising edge
  1520. */
  1521. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1522. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1523. (pfc_ctrl & ~(1<<1)));
  1524. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1525. (pfc_ctrl | (1<<1)));
  1526. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1527. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1528. if (en)
  1529. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1530. else
  1531. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1532. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1533. }
  1534. }
  1535. static int bnx2x_xmac_enable(struct link_params *params,
  1536. struct link_vars *vars, u8 lb)
  1537. {
  1538. u32 val, xmac_base;
  1539. struct bnx2x *bp = params->bp;
  1540. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1541. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. bnx2x_xmac_init(params, vars->line_speed);
  1543. /* This register determines on which events the MAC will assert
  1544. * error on the i/f to the NIG along w/ EOP.
  1545. */
  1546. /* This register tells the NIG whether to send traffic to UMAC
  1547. * or XMAC
  1548. */
  1549. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1550. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1551. * detection.
  1552. */
  1553. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1554. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1555. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1556. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1557. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1558. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1559. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1560. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1561. }
  1562. /* Set Max packet size */
  1563. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1564. /* CRC append for Tx packets */
  1565. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1566. /* update PFC */
  1567. bnx2x_update_pfc_xmac(params, vars, 0);
  1568. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1569. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1570. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1571. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1572. } else {
  1573. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1574. }
  1575. /* Enable TX and RX */
  1576. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1577. /* Set MAC in XLGMII mode for dual-mode */
  1578. if ((vars->line_speed == SPEED_20000) &&
  1579. (params->phy[INT_PHY].supported &
  1580. SUPPORTED_20000baseKR2_Full))
  1581. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1582. /* Check loopback mode */
  1583. if (lb)
  1584. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1585. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1586. bnx2x_set_xumac_nig(params,
  1587. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1588. vars->mac_type = MAC_TYPE_XMAC;
  1589. return 0;
  1590. }
  1591. static int bnx2x_emac_enable(struct link_params *params,
  1592. struct link_vars *vars, u8 lb)
  1593. {
  1594. struct bnx2x *bp = params->bp;
  1595. u8 port = params->port;
  1596. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1597. u32 val;
  1598. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1599. /* Disable BMAC */
  1600. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1601. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1602. /* enable emac and not bmac */
  1603. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1604. /* ASIC */
  1605. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1606. u32 ser_lane = ((params->lane_config &
  1607. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1608. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1609. DP(NETIF_MSG_LINK, "XGXS\n");
  1610. /* select the master lanes (out of 0-3) */
  1611. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1612. /* select XGXS */
  1613. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1614. } else { /* SerDes */
  1615. DP(NETIF_MSG_LINK, "SerDes\n");
  1616. /* select SerDes */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1618. }
  1619. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1620. EMAC_RX_MODE_RESET);
  1621. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1622. EMAC_TX_MODE_RESET);
  1623. /* pause enable/disable */
  1624. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_FLOW_EN);
  1626. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1628. EMAC_TX_MODE_FLOW_EN));
  1629. if (!(params->feature_config_flags &
  1630. FEATURE_CONFIG_PFC_ENABLED)) {
  1631. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1632. bnx2x_bits_en(bp, emac_base +
  1633. EMAC_REG_EMAC_RX_MODE,
  1634. EMAC_RX_MODE_FLOW_EN);
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_TX_MODE,
  1638. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1639. EMAC_TX_MODE_FLOW_EN));
  1640. } else
  1641. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1642. EMAC_TX_MODE_FLOW_EN);
  1643. /* KEEP_VLAN_TAG, promiscuous */
  1644. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1645. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1646. /* Setting this bit causes MAC control frames (except for pause
  1647. * frames) to be passed on for processing. This setting has no
  1648. * affect on the operation of the pause frames. This bit effects
  1649. * all packets regardless of RX Parser packet sorting logic.
  1650. * Turn the PFC off to make sure we are in Xon state before
  1651. * enabling it.
  1652. */
  1653. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1654. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1655. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1656. /* Enable PFC again */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1658. EMAC_REG_RX_PFC_MODE_RX_EN |
  1659. EMAC_REG_RX_PFC_MODE_TX_EN |
  1660. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1662. ((0x0101 <<
  1663. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1664. (0x00ff <<
  1665. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1666. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1667. }
  1668. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1669. /* Set Loopback */
  1670. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1671. if (lb)
  1672. val |= 0x810;
  1673. else
  1674. val &= ~0x810;
  1675. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1676. /* Enable emac */
  1677. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1678. /* Enable emac for jumbo packets */
  1679. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1680. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1681. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1682. /* Strip CRC */
  1683. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1684. /* Disable the NIG in/out to the bmac */
  1685. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1686. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1687. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1688. /* Enable the NIG in/out to the emac */
  1689. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1690. val = 0;
  1691. if ((params->feature_config_flags &
  1692. FEATURE_CONFIG_PFC_ENABLED) ||
  1693. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1694. val = 1;
  1695. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1696. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1697. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1698. vars->mac_type = MAC_TYPE_EMAC;
  1699. return 0;
  1700. }
  1701. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1702. struct link_vars *vars)
  1703. {
  1704. u32 wb_data[2];
  1705. struct bnx2x *bp = params->bp;
  1706. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1707. NIG_REG_INGRESS_BMAC0_MEM;
  1708. u32 val = 0x14;
  1709. if ((!(params->feature_config_flags &
  1710. FEATURE_CONFIG_PFC_ENABLED)) &&
  1711. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1712. /* Enable BigMAC to react on received Pause packets */
  1713. val |= (1<<5);
  1714. wb_data[0] = val;
  1715. wb_data[1] = 0;
  1716. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1717. /* TX control */
  1718. val = 0xc0;
  1719. if (!(params->feature_config_flags &
  1720. FEATURE_CONFIG_PFC_ENABLED) &&
  1721. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1722. val |= 0x800000;
  1723. wb_data[0] = val;
  1724. wb_data[1] = 0;
  1725. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1726. }
  1727. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1728. struct link_vars *vars,
  1729. u8 is_lb)
  1730. {
  1731. /* Set rx control: Strip CRC and enable BigMAC to relay
  1732. * control packets to the system as well
  1733. */
  1734. u32 wb_data[2];
  1735. struct bnx2x *bp = params->bp;
  1736. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1737. NIG_REG_INGRESS_BMAC0_MEM;
  1738. u32 val = 0x14;
  1739. if ((!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED)) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1742. /* Enable BigMAC to react on received Pause packets */
  1743. val |= (1<<5);
  1744. wb_data[0] = val;
  1745. wb_data[1] = 0;
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1747. udelay(30);
  1748. /* Tx control */
  1749. val = 0xc0;
  1750. if (!(params->feature_config_flags &
  1751. FEATURE_CONFIG_PFC_ENABLED) &&
  1752. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1753. val |= 0x800000;
  1754. wb_data[0] = val;
  1755. wb_data[1] = 0;
  1756. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1757. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1758. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1759. /* Enable PFC RX & TX & STATS and set 8 COS */
  1760. wb_data[0] = 0x0;
  1761. wb_data[0] |= (1<<0); /* RX */
  1762. wb_data[0] |= (1<<1); /* TX */
  1763. wb_data[0] |= (1<<2); /* Force initial Xon */
  1764. wb_data[0] |= (1<<3); /* 8 cos */
  1765. wb_data[0] |= (1<<5); /* STATS */
  1766. wb_data[1] = 0;
  1767. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1768. wb_data, 2);
  1769. /* Clear the force Xon */
  1770. wb_data[0] &= ~(1<<2);
  1771. } else {
  1772. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1773. /* Disable PFC RX & TX & STATS and set 8 COS */
  1774. wb_data[0] = 0x8;
  1775. wb_data[1] = 0;
  1776. }
  1777. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1778. /* Set Time (based unit is 512 bit time) between automatic
  1779. * re-sending of PP packets amd enable automatic re-send of
  1780. * Per-Priroity Packet as long as pp_gen is asserted and
  1781. * pp_disable is low.
  1782. */
  1783. val = 0x8000;
  1784. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1785. val |= (1<<16); /* enable automatic re-send */
  1786. wb_data[0] = val;
  1787. wb_data[1] = 0;
  1788. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1789. wb_data, 2);
  1790. /* mac control */
  1791. val = 0x3; /* Enable RX and TX */
  1792. if (is_lb) {
  1793. val |= 0x4; /* Local loopback */
  1794. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1795. }
  1796. /* When PFC enabled, Pass pause frames towards the NIG. */
  1797. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1798. val |= ((1<<6)|(1<<5));
  1799. wb_data[0] = val;
  1800. wb_data[1] = 0;
  1801. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1802. }
  1803. /******************************************************************************
  1804. * Description:
  1805. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1806. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1807. ******************************************************************************/
  1808. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1809. u8 cos_entry,
  1810. u32 priority_mask, u8 port)
  1811. {
  1812. u32 nig_reg_rx_priority_mask_add = 0;
  1813. switch (cos_entry) {
  1814. case 0:
  1815. nig_reg_rx_priority_mask_add = (port) ?
  1816. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1817. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1818. break;
  1819. case 1:
  1820. nig_reg_rx_priority_mask_add = (port) ?
  1821. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1822. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1823. break;
  1824. case 2:
  1825. nig_reg_rx_priority_mask_add = (port) ?
  1826. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1827. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1828. break;
  1829. case 3:
  1830. if (port)
  1831. return -EINVAL;
  1832. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1833. break;
  1834. case 4:
  1835. if (port)
  1836. return -EINVAL;
  1837. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1838. break;
  1839. case 5:
  1840. if (port)
  1841. return -EINVAL;
  1842. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1843. break;
  1844. }
  1845. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1846. return 0;
  1847. }
  1848. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1849. {
  1850. struct bnx2x *bp = params->bp;
  1851. REG_WR(bp, params->shmem_base +
  1852. offsetof(struct shmem_region,
  1853. port_mb[params->port].link_status), link_status);
  1854. }
  1855. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1856. {
  1857. struct bnx2x *bp = params->bp;
  1858. if (SHMEM2_HAS(bp, link_attr_sync))
  1859. REG_WR(bp, params->shmem2_base +
  1860. offsetof(struct shmem2_region,
  1861. link_attr_sync[params->port]), link_attr);
  1862. }
  1863. static void bnx2x_update_pfc_nig(struct link_params *params,
  1864. struct link_vars *vars,
  1865. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1866. {
  1867. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1868. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1869. u32 pkt_priority_to_cos = 0;
  1870. struct bnx2x *bp = params->bp;
  1871. u8 port = params->port;
  1872. int set_pfc = params->feature_config_flags &
  1873. FEATURE_CONFIG_PFC_ENABLED;
  1874. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1875. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1876. * MAC control frames (that are not pause packets)
  1877. * will be forwarded to the XCM.
  1878. */
  1879. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1880. NIG_REG_LLH0_XCM_MASK);
  1881. /* NIG params will override non PFC params, since it's possible to
  1882. * do transition from PFC to SAFC
  1883. */
  1884. if (set_pfc) {
  1885. pause_enable = 0;
  1886. llfc_out_en = 0;
  1887. llfc_enable = 0;
  1888. if (CHIP_IS_E3(bp))
  1889. ppp_enable = 0;
  1890. else
  1891. ppp_enable = 1;
  1892. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1893. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1894. xcm_out_en = 0;
  1895. hwpfc_enable = 1;
  1896. } else {
  1897. if (nig_params) {
  1898. llfc_out_en = nig_params->llfc_out_en;
  1899. llfc_enable = nig_params->llfc_enable;
  1900. pause_enable = nig_params->pause_enable;
  1901. } else /* Default non PFC mode - PAUSE */
  1902. pause_enable = 1;
  1903. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1904. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1905. xcm_out_en = 1;
  1906. }
  1907. if (CHIP_IS_E3(bp))
  1908. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1909. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1910. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1911. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1912. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1913. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1914. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1915. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1916. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1917. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1918. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1919. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1920. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1921. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1922. /* Output enable for RX_XCM # IF */
  1923. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1924. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1925. /* HW PFC TX enable */
  1926. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1927. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1928. if (nig_params) {
  1929. u8 i = 0;
  1930. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1931. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1932. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1933. nig_params->rx_cos_priority_mask[i], port);
  1934. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1935. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1936. nig_params->llfc_high_priority_classes);
  1937. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1938. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1939. nig_params->llfc_low_priority_classes);
  1940. }
  1941. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1942. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1943. pkt_priority_to_cos);
  1944. }
  1945. int bnx2x_update_pfc(struct link_params *params,
  1946. struct link_vars *vars,
  1947. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1948. {
  1949. /* The PFC and pause are orthogonal to one another, meaning when
  1950. * PFC is enabled, the pause are disabled, and when PFC is
  1951. * disabled, pause are set according to the pause result.
  1952. */
  1953. u32 val;
  1954. struct bnx2x *bp = params->bp;
  1955. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1956. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1957. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1958. else
  1959. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1960. bnx2x_update_mng(params, vars->link_status);
  1961. /* Update NIG params */
  1962. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1963. if (!vars->link_up)
  1964. return 0;
  1965. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1966. if (CHIP_IS_E3(bp)) {
  1967. if (vars->mac_type == MAC_TYPE_XMAC)
  1968. bnx2x_update_pfc_xmac(params, vars, 0);
  1969. } else {
  1970. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1971. if ((val &
  1972. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1973. == 0) {
  1974. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1975. bnx2x_emac_enable(params, vars, 0);
  1976. return 0;
  1977. }
  1978. if (CHIP_IS_E2(bp))
  1979. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1980. else
  1981. bnx2x_update_pfc_bmac1(params, vars);
  1982. val = 0;
  1983. if ((params->feature_config_flags &
  1984. FEATURE_CONFIG_PFC_ENABLED) ||
  1985. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1986. val = 1;
  1987. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1988. }
  1989. return 0;
  1990. }
  1991. static int bnx2x_bmac1_enable(struct link_params *params,
  1992. struct link_vars *vars,
  1993. u8 is_lb)
  1994. {
  1995. struct bnx2x *bp = params->bp;
  1996. u8 port = params->port;
  1997. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1998. NIG_REG_INGRESS_BMAC0_MEM;
  1999. u32 wb_data[2];
  2000. u32 val;
  2001. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2002. /* XGXS control */
  2003. wb_data[0] = 0x3c;
  2004. wb_data[1] = 0;
  2005. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2006. wb_data, 2);
  2007. /* TX MAC SA */
  2008. wb_data[0] = ((params->mac_addr[2] << 24) |
  2009. (params->mac_addr[3] << 16) |
  2010. (params->mac_addr[4] << 8) |
  2011. params->mac_addr[5]);
  2012. wb_data[1] = ((params->mac_addr[0] << 8) |
  2013. params->mac_addr[1]);
  2014. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2015. /* MAC control */
  2016. val = 0x3;
  2017. if (is_lb) {
  2018. val |= 0x4;
  2019. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2020. }
  2021. wb_data[0] = val;
  2022. wb_data[1] = 0;
  2023. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2024. /* Set rx mtu */
  2025. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2026. wb_data[1] = 0;
  2027. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2028. bnx2x_update_pfc_bmac1(params, vars);
  2029. /* Set tx mtu */
  2030. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2031. wb_data[1] = 0;
  2032. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2033. /* Set cnt max size */
  2034. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2037. /* Configure SAFC */
  2038. wb_data[0] = 0x1000200;
  2039. wb_data[1] = 0;
  2040. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2041. wb_data, 2);
  2042. return 0;
  2043. }
  2044. static int bnx2x_bmac2_enable(struct link_params *params,
  2045. struct link_vars *vars,
  2046. u8 is_lb)
  2047. {
  2048. struct bnx2x *bp = params->bp;
  2049. u8 port = params->port;
  2050. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2051. NIG_REG_INGRESS_BMAC0_MEM;
  2052. u32 wb_data[2];
  2053. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2054. wb_data[0] = 0;
  2055. wb_data[1] = 0;
  2056. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2057. udelay(30);
  2058. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2059. wb_data[0] = 0x3c;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2062. wb_data, 2);
  2063. udelay(30);
  2064. /* TX MAC SA */
  2065. wb_data[0] = ((params->mac_addr[2] << 24) |
  2066. (params->mac_addr[3] << 16) |
  2067. (params->mac_addr[4] << 8) |
  2068. params->mac_addr[5]);
  2069. wb_data[1] = ((params->mac_addr[0] << 8) |
  2070. params->mac_addr[1]);
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2072. wb_data, 2);
  2073. udelay(30);
  2074. /* Configure SAFC */
  2075. wb_data[0] = 0x1000200;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2078. wb_data, 2);
  2079. udelay(30);
  2080. /* Set RX MTU */
  2081. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2082. wb_data[1] = 0;
  2083. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2084. udelay(30);
  2085. /* Set TX MTU */
  2086. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2087. wb_data[1] = 0;
  2088. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2089. udelay(30);
  2090. /* Set cnt max size */
  2091. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2092. wb_data[1] = 0;
  2093. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2094. udelay(30);
  2095. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2096. return 0;
  2097. }
  2098. static int bnx2x_bmac_enable(struct link_params *params,
  2099. struct link_vars *vars,
  2100. u8 is_lb, u8 reset_bmac)
  2101. {
  2102. int rc = 0;
  2103. u8 port = params->port;
  2104. struct bnx2x *bp = params->bp;
  2105. u32 val;
  2106. /* Reset and unreset the BigMac */
  2107. if (reset_bmac) {
  2108. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2109. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2110. usleep_range(1000, 2000);
  2111. }
  2112. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2113. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2114. /* Enable access for bmac registers */
  2115. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2116. /* Enable BMAC according to BMAC type*/
  2117. if (CHIP_IS_E2(bp))
  2118. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2119. else
  2120. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2121. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2122. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2123. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2124. val = 0;
  2125. if ((params->feature_config_flags &
  2126. FEATURE_CONFIG_PFC_ENABLED) ||
  2127. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2128. val = 1;
  2129. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2130. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2131. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2132. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2133. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2134. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2135. vars->mac_type = MAC_TYPE_BMAC;
  2136. return rc;
  2137. }
  2138. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2139. {
  2140. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2141. NIG_REG_INGRESS_BMAC0_MEM;
  2142. u32 wb_data[2];
  2143. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2144. if (CHIP_IS_E2(bp))
  2145. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2146. else
  2147. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2148. /* Only if the bmac is out of reset */
  2149. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2150. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2151. nig_bmac_enable) {
  2152. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2153. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2154. if (en)
  2155. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2156. else
  2157. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2158. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2159. usleep_range(1000, 2000);
  2160. }
  2161. }
  2162. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2163. u32 line_speed)
  2164. {
  2165. struct bnx2x *bp = params->bp;
  2166. u8 port = params->port;
  2167. u32 init_crd, crd;
  2168. u32 count = 1000;
  2169. /* Disable port */
  2170. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2171. /* Wait for init credit */
  2172. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2173. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2174. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2175. while ((init_crd != crd) && count) {
  2176. usleep_range(5000, 10000);
  2177. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2178. count--;
  2179. }
  2180. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2181. if (init_crd != crd) {
  2182. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2183. init_crd, crd);
  2184. return -EINVAL;
  2185. }
  2186. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2187. line_speed == SPEED_10 ||
  2188. line_speed == SPEED_100 ||
  2189. line_speed == SPEED_1000 ||
  2190. line_speed == SPEED_2500) {
  2191. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2192. /* Update threshold */
  2193. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2194. /* Update init credit */
  2195. init_crd = 778; /* (800-18-4) */
  2196. } else {
  2197. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2198. ETH_OVREHEAD)/16;
  2199. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2200. /* Update threshold */
  2201. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2202. /* Update init credit */
  2203. switch (line_speed) {
  2204. case SPEED_10000:
  2205. init_crd = thresh + 553 - 22;
  2206. break;
  2207. default:
  2208. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2209. line_speed);
  2210. return -EINVAL;
  2211. }
  2212. }
  2213. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2214. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2215. line_speed, init_crd);
  2216. /* Probe the credit changes */
  2217. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2218. usleep_range(5000, 10000);
  2219. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2220. /* Enable port */
  2221. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2222. return 0;
  2223. }
  2224. /**
  2225. * bnx2x_get_emac_base - retrive emac base address
  2226. *
  2227. * @bp: driver handle
  2228. * @mdc_mdio_access: access type
  2229. * @port: port id
  2230. *
  2231. * This function selects the MDC/MDIO access (through emac0 or
  2232. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2233. * phy has a default access mode, which could also be overridden
  2234. * by nvram configuration. This parameter, whether this is the
  2235. * default phy configuration, or the nvram overrun
  2236. * configuration, is passed here as mdc_mdio_access and selects
  2237. * the emac_base for the CL45 read/writes operations
  2238. */
  2239. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2240. u32 mdc_mdio_access, u8 port)
  2241. {
  2242. u32 emac_base = 0;
  2243. switch (mdc_mdio_access) {
  2244. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2245. break;
  2246. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2247. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2248. emac_base = GRCBASE_EMAC1;
  2249. else
  2250. emac_base = GRCBASE_EMAC0;
  2251. break;
  2252. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2253. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2254. emac_base = GRCBASE_EMAC0;
  2255. else
  2256. emac_base = GRCBASE_EMAC1;
  2257. break;
  2258. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2259. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2260. break;
  2261. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2262. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2263. break;
  2264. default:
  2265. break;
  2266. }
  2267. return emac_base;
  2268. }
  2269. /******************************************************************/
  2270. /* CL22 access functions */
  2271. /******************************************************************/
  2272. static int bnx2x_cl22_write(struct bnx2x *bp,
  2273. struct bnx2x_phy *phy,
  2274. u16 reg, u16 val)
  2275. {
  2276. u32 tmp, mode;
  2277. u8 i;
  2278. int rc = 0;
  2279. /* Switch to CL22 */
  2280. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2281. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2282. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2283. /* Address */
  2284. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2285. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2286. EMAC_MDIO_COMM_START_BUSY);
  2287. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2288. for (i = 0; i < 50; i++) {
  2289. udelay(10);
  2290. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2291. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2292. udelay(5);
  2293. break;
  2294. }
  2295. }
  2296. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2297. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2298. rc = -EFAULT;
  2299. }
  2300. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2301. return rc;
  2302. }
  2303. static int bnx2x_cl22_read(struct bnx2x *bp,
  2304. struct bnx2x_phy *phy,
  2305. u16 reg, u16 *ret_val)
  2306. {
  2307. u32 val, mode;
  2308. u16 i;
  2309. int rc = 0;
  2310. /* Switch to CL22 */
  2311. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2313. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2314. /* Address */
  2315. val = ((phy->addr << 21) | (reg << 16) |
  2316. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2317. EMAC_MDIO_COMM_START_BUSY);
  2318. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2319. for (i = 0; i < 50; i++) {
  2320. udelay(10);
  2321. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2322. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2323. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2324. udelay(5);
  2325. break;
  2326. }
  2327. }
  2328. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2329. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2330. *ret_val = 0;
  2331. rc = -EFAULT;
  2332. }
  2333. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2334. return rc;
  2335. }
  2336. /******************************************************************/
  2337. /* CL45 access functions */
  2338. /******************************************************************/
  2339. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2340. u8 devad, u16 reg, u16 *ret_val)
  2341. {
  2342. u32 val;
  2343. u16 i;
  2344. int rc = 0;
  2345. u32 chip_id;
  2346. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2347. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2348. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2349. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2350. }
  2351. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2352. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2353. EMAC_MDIO_STATUS_10MB);
  2354. /* Address */
  2355. val = ((phy->addr << 21) | (devad << 16) | reg |
  2356. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2357. EMAC_MDIO_COMM_START_BUSY);
  2358. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2359. for (i = 0; i < 50; i++) {
  2360. udelay(10);
  2361. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2362. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2363. udelay(5);
  2364. break;
  2365. }
  2366. }
  2367. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2368. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2369. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2370. *ret_val = 0;
  2371. rc = -EFAULT;
  2372. } else {
  2373. /* Data */
  2374. val = ((phy->addr << 21) | (devad << 16) |
  2375. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2376. EMAC_MDIO_COMM_START_BUSY);
  2377. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2378. for (i = 0; i < 50; i++) {
  2379. udelay(10);
  2380. val = REG_RD(bp, phy->mdio_ctrl +
  2381. EMAC_REG_EMAC_MDIO_COMM);
  2382. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2383. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2384. break;
  2385. }
  2386. }
  2387. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2388. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2389. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2390. *ret_val = 0;
  2391. rc = -EFAULT;
  2392. }
  2393. }
  2394. /* Work around for E3 A0 */
  2395. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2396. phy->flags ^= FLAGS_DUMMY_READ;
  2397. if (phy->flags & FLAGS_DUMMY_READ) {
  2398. u16 temp_val;
  2399. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2400. }
  2401. }
  2402. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2403. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2404. EMAC_MDIO_STATUS_10MB);
  2405. return rc;
  2406. }
  2407. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2408. u8 devad, u16 reg, u16 val)
  2409. {
  2410. u32 tmp;
  2411. u8 i;
  2412. int rc = 0;
  2413. u32 chip_id;
  2414. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2415. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2416. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2417. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2418. }
  2419. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2420. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2421. EMAC_MDIO_STATUS_10MB);
  2422. /* Address */
  2423. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2424. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2425. EMAC_MDIO_COMM_START_BUSY);
  2426. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2427. for (i = 0; i < 50; i++) {
  2428. udelay(10);
  2429. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2430. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2431. udelay(5);
  2432. break;
  2433. }
  2434. }
  2435. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2436. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2437. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2438. rc = -EFAULT;
  2439. } else {
  2440. /* Data */
  2441. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2442. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2443. EMAC_MDIO_COMM_START_BUSY);
  2444. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2445. for (i = 0; i < 50; i++) {
  2446. udelay(10);
  2447. tmp = REG_RD(bp, phy->mdio_ctrl +
  2448. EMAC_REG_EMAC_MDIO_COMM);
  2449. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2450. udelay(5);
  2451. break;
  2452. }
  2453. }
  2454. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2455. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2456. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2457. rc = -EFAULT;
  2458. }
  2459. }
  2460. /* Work around for E3 A0 */
  2461. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2462. phy->flags ^= FLAGS_DUMMY_READ;
  2463. if (phy->flags & FLAGS_DUMMY_READ) {
  2464. u16 temp_val;
  2465. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2466. }
  2467. }
  2468. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2469. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2470. EMAC_MDIO_STATUS_10MB);
  2471. return rc;
  2472. }
  2473. /******************************************************************/
  2474. /* EEE section */
  2475. /******************************************************************/
  2476. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2477. {
  2478. struct bnx2x *bp = params->bp;
  2479. if (REG_RD(bp, params->shmem2_base) <=
  2480. offsetof(struct shmem2_region, eee_status[params->port]))
  2481. return 0;
  2482. return 1;
  2483. }
  2484. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2485. {
  2486. switch (nvram_mode) {
  2487. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2488. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2489. break;
  2490. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2491. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2492. break;
  2493. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2494. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2495. break;
  2496. default:
  2497. *idle_timer = 0;
  2498. break;
  2499. }
  2500. return 0;
  2501. }
  2502. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2503. {
  2504. switch (idle_timer) {
  2505. case EEE_MODE_NVRAM_BALANCED_TIME:
  2506. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2507. break;
  2508. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2509. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2510. break;
  2511. case EEE_MODE_NVRAM_LATENCY_TIME:
  2512. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2513. break;
  2514. default:
  2515. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2516. break;
  2517. }
  2518. return 0;
  2519. }
  2520. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2521. {
  2522. u32 eee_mode, eee_idle;
  2523. struct bnx2x *bp = params->bp;
  2524. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2525. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2526. /* time value in eee_mode --> used directly*/
  2527. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2528. } else {
  2529. /* hsi value in eee_mode --> time */
  2530. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2531. EEE_MODE_NVRAM_MASK,
  2532. &eee_idle))
  2533. return 0;
  2534. }
  2535. } else {
  2536. /* hsi values in nvram --> time*/
  2537. eee_mode = ((REG_RD(bp, params->shmem_base +
  2538. offsetof(struct shmem_region, dev_info.
  2539. port_feature_config[params->port].
  2540. eee_power_mode)) &
  2541. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2542. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2543. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2544. return 0;
  2545. }
  2546. return eee_idle;
  2547. }
  2548. static int bnx2x_eee_set_timers(struct link_params *params,
  2549. struct link_vars *vars)
  2550. {
  2551. u32 eee_idle = 0, eee_mode;
  2552. struct bnx2x *bp = params->bp;
  2553. eee_idle = bnx2x_eee_calc_timer(params);
  2554. if (eee_idle) {
  2555. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2556. eee_idle);
  2557. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2558. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2559. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2560. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2561. return -EINVAL;
  2562. }
  2563. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2564. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2565. /* eee_idle in 1u --> eee_status in 16u */
  2566. eee_idle >>= 4;
  2567. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2568. SHMEM_EEE_TIME_OUTPUT_BIT;
  2569. } else {
  2570. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2571. return -EINVAL;
  2572. vars->eee_status |= eee_mode;
  2573. }
  2574. return 0;
  2575. }
  2576. static int bnx2x_eee_initial_config(struct link_params *params,
  2577. struct link_vars *vars, u8 mode)
  2578. {
  2579. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2580. /* Propogate params' bits --> vars (for migration exposure) */
  2581. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2582. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2583. else
  2584. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2585. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2586. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2587. else
  2588. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2589. return bnx2x_eee_set_timers(params, vars);
  2590. }
  2591. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2592. struct link_params *params,
  2593. struct link_vars *vars)
  2594. {
  2595. struct bnx2x *bp = params->bp;
  2596. /* Make Certain LPI is disabled */
  2597. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2598. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2599. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2600. return 0;
  2601. }
  2602. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2603. struct link_params *params,
  2604. struct link_vars *vars, u8 modes)
  2605. {
  2606. struct bnx2x *bp = params->bp;
  2607. u16 val = 0;
  2608. /* Mask events preventing LPI generation */
  2609. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2610. if (modes & SHMEM_EEE_10G_ADV) {
  2611. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2612. val |= 0x8;
  2613. }
  2614. if (modes & SHMEM_EEE_1G_ADV) {
  2615. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2616. val |= 0x4;
  2617. }
  2618. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2619. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2620. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2621. return 0;
  2622. }
  2623. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2624. {
  2625. struct bnx2x *bp = params->bp;
  2626. if (bnx2x_eee_has_cap(params))
  2627. REG_WR(bp, params->shmem2_base +
  2628. offsetof(struct shmem2_region,
  2629. eee_status[params->port]), eee_status);
  2630. }
  2631. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2632. struct link_params *params,
  2633. struct link_vars *vars)
  2634. {
  2635. struct bnx2x *bp = params->bp;
  2636. u16 adv = 0, lp = 0;
  2637. u32 lp_adv = 0;
  2638. u8 neg = 0;
  2639. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2640. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2641. if (lp & 0x2) {
  2642. lp_adv |= SHMEM_EEE_100M_ADV;
  2643. if (adv & 0x2) {
  2644. if (vars->line_speed == SPEED_100)
  2645. neg = 1;
  2646. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2647. }
  2648. }
  2649. if (lp & 0x14) {
  2650. lp_adv |= SHMEM_EEE_1G_ADV;
  2651. if (adv & 0x14) {
  2652. if (vars->line_speed == SPEED_1000)
  2653. neg = 1;
  2654. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2655. }
  2656. }
  2657. if (lp & 0x68) {
  2658. lp_adv |= SHMEM_EEE_10G_ADV;
  2659. if (adv & 0x68) {
  2660. if (vars->line_speed == SPEED_10000)
  2661. neg = 1;
  2662. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2663. }
  2664. }
  2665. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2666. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2667. if (neg) {
  2668. DP(NETIF_MSG_LINK, "EEE is active\n");
  2669. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2670. }
  2671. }
  2672. /******************************************************************/
  2673. /* BSC access functions from E3 */
  2674. /******************************************************************/
  2675. static void bnx2x_bsc_module_sel(struct link_params *params)
  2676. {
  2677. int idx;
  2678. u32 board_cfg, sfp_ctrl;
  2679. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2680. struct bnx2x *bp = params->bp;
  2681. u8 port = params->port;
  2682. /* Read I2C output PINs */
  2683. board_cfg = REG_RD(bp, params->shmem_base +
  2684. offsetof(struct shmem_region,
  2685. dev_info.shared_hw_config.board));
  2686. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2687. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2688. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2689. /* Read I2C output value */
  2690. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2691. offsetof(struct shmem_region,
  2692. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2693. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2694. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2695. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2696. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2697. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2698. }
  2699. static int bnx2x_bsc_read(struct link_params *params,
  2700. struct bnx2x *bp,
  2701. u8 sl_devid,
  2702. u16 sl_addr,
  2703. u8 lc_addr,
  2704. u8 xfer_cnt,
  2705. u32 *data_array)
  2706. {
  2707. u32 val, i;
  2708. int rc = 0;
  2709. if (xfer_cnt > 16) {
  2710. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2711. xfer_cnt);
  2712. return -EINVAL;
  2713. }
  2714. bnx2x_bsc_module_sel(params);
  2715. xfer_cnt = 16 - lc_addr;
  2716. /* Enable the engine */
  2717. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2718. val |= MCPR_IMC_COMMAND_ENABLE;
  2719. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2720. /* Program slave device ID */
  2721. val = (sl_devid << 16) | sl_addr;
  2722. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2723. /* Start xfer with 0 byte to update the address pointer ???*/
  2724. val = (MCPR_IMC_COMMAND_ENABLE) |
  2725. (MCPR_IMC_COMMAND_WRITE_OP <<
  2726. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2727. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2728. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2729. /* Poll for completion */
  2730. i = 0;
  2731. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2732. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2733. udelay(10);
  2734. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2735. if (i++ > 1000) {
  2736. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2737. i);
  2738. rc = -EFAULT;
  2739. break;
  2740. }
  2741. }
  2742. if (rc == -EFAULT)
  2743. return rc;
  2744. /* Start xfer with read op */
  2745. val = (MCPR_IMC_COMMAND_ENABLE) |
  2746. (MCPR_IMC_COMMAND_READ_OP <<
  2747. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2748. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2749. (xfer_cnt);
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* Poll for completion */
  2752. i = 0;
  2753. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2754. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2755. udelay(10);
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. if (i++ > 1000) {
  2758. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2759. rc = -EFAULT;
  2760. break;
  2761. }
  2762. }
  2763. if (rc == -EFAULT)
  2764. return rc;
  2765. for (i = (lc_addr >> 2); i < 4; i++) {
  2766. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2767. #ifdef __BIG_ENDIAN
  2768. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2769. ((data_array[i] & 0x0000ff00) << 8) |
  2770. ((data_array[i] & 0x00ff0000) >> 8) |
  2771. ((data_array[i] & 0xff000000) >> 24);
  2772. #endif
  2773. }
  2774. return rc;
  2775. }
  2776. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2777. u8 devad, u16 reg, u16 or_val)
  2778. {
  2779. u16 val;
  2780. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2781. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2782. }
  2783. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2784. struct bnx2x_phy *phy,
  2785. u8 devad, u16 reg, u16 and_val)
  2786. {
  2787. u16 val;
  2788. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2789. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2790. }
  2791. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2792. u8 devad, u16 reg, u16 *ret_val)
  2793. {
  2794. u8 phy_index;
  2795. /* Probe for the phy according to the given phy_addr, and execute
  2796. * the read request on it
  2797. */
  2798. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2799. if (params->phy[phy_index].addr == phy_addr) {
  2800. return bnx2x_cl45_read(params->bp,
  2801. &params->phy[phy_index], devad,
  2802. reg, ret_val);
  2803. }
  2804. }
  2805. return -EINVAL;
  2806. }
  2807. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2808. u8 devad, u16 reg, u16 val)
  2809. {
  2810. u8 phy_index;
  2811. /* Probe for the phy according to the given phy_addr, and execute
  2812. * the write request on it
  2813. */
  2814. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2815. if (params->phy[phy_index].addr == phy_addr) {
  2816. return bnx2x_cl45_write(params->bp,
  2817. &params->phy[phy_index], devad,
  2818. reg, val);
  2819. }
  2820. }
  2821. return -EINVAL;
  2822. }
  2823. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2824. struct link_params *params)
  2825. {
  2826. u8 lane = 0;
  2827. struct bnx2x *bp = params->bp;
  2828. u32 path_swap, path_swap_ovr;
  2829. u8 path, port;
  2830. path = BP_PATH(bp);
  2831. port = params->port;
  2832. if (bnx2x_is_4_port_mode(bp)) {
  2833. u32 port_swap, port_swap_ovr;
  2834. /* Figure out path swap value */
  2835. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2836. if (path_swap_ovr & 0x1)
  2837. path_swap = (path_swap_ovr & 0x2);
  2838. else
  2839. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2840. if (path_swap)
  2841. path = path ^ 1;
  2842. /* Figure out port swap value */
  2843. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2844. if (port_swap_ovr & 0x1)
  2845. port_swap = (port_swap_ovr & 0x2);
  2846. else
  2847. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2848. if (port_swap)
  2849. port = port ^ 1;
  2850. lane = (port<<1) + path;
  2851. } else { /* Two port mode - no port swap */
  2852. /* Figure out path swap value */
  2853. path_swap_ovr =
  2854. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2855. if (path_swap_ovr & 0x1) {
  2856. path_swap = (path_swap_ovr & 0x2);
  2857. } else {
  2858. path_swap =
  2859. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2860. }
  2861. if (path_swap)
  2862. path = path ^ 1;
  2863. lane = path << 1 ;
  2864. }
  2865. return lane;
  2866. }
  2867. static void bnx2x_set_aer_mmd(struct link_params *params,
  2868. struct bnx2x_phy *phy)
  2869. {
  2870. u32 ser_lane;
  2871. u16 offset, aer_val;
  2872. struct bnx2x *bp = params->bp;
  2873. ser_lane = ((params->lane_config &
  2874. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2875. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2876. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2877. (phy->addr + ser_lane) : 0;
  2878. if (USES_WARPCORE(bp)) {
  2879. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2880. /* In Dual-lane mode, two lanes are joined together,
  2881. * so in order to configure them, the AER broadcast method is
  2882. * used here.
  2883. * 0x200 is the broadcast address for lanes 0,1
  2884. * 0x201 is the broadcast address for lanes 2,3
  2885. */
  2886. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2887. aer_val = (aer_val >> 1) | 0x200;
  2888. } else if (CHIP_IS_E2(bp))
  2889. aer_val = 0x3800 + offset - 1;
  2890. else
  2891. aer_val = 0x3800 + offset;
  2892. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2893. MDIO_AER_BLOCK_AER_REG, aer_val);
  2894. }
  2895. /******************************************************************/
  2896. /* Internal phy section */
  2897. /******************************************************************/
  2898. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2899. {
  2900. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2901. /* Set Clause 22 */
  2902. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2903. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2904. udelay(500);
  2905. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2906. udelay(500);
  2907. /* Set Clause 45 */
  2908. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2909. }
  2910. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2911. {
  2912. u32 val;
  2913. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2914. val = SERDES_RESET_BITS << (port*16);
  2915. /* Reset and unreset the SerDes/XGXS */
  2916. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2917. udelay(500);
  2918. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2919. bnx2x_set_serdes_access(bp, port);
  2920. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2921. DEFAULT_PHY_DEV_ADDR);
  2922. }
  2923. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2924. struct link_params *params,
  2925. u32 action)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. switch (action) {
  2929. case PHY_INIT:
  2930. /* Set correct devad */
  2931. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2932. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2933. phy->def_md_devad);
  2934. break;
  2935. }
  2936. }
  2937. static void bnx2x_xgxs_deassert(struct link_params *params)
  2938. {
  2939. struct bnx2x *bp = params->bp;
  2940. u8 port;
  2941. u32 val;
  2942. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2943. port = params->port;
  2944. val = XGXS_RESET_BITS << (port*16);
  2945. /* Reset and unreset the SerDes/XGXS */
  2946. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2947. udelay(500);
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2949. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2950. PHY_INIT);
  2951. }
  2952. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2953. struct link_params *params, u16 *ieee_fc)
  2954. {
  2955. struct bnx2x *bp = params->bp;
  2956. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2957. /* Resolve pause mode and advertisement Please refer to Table
  2958. * 28B-3 of the 802.3ab-1999 spec
  2959. */
  2960. switch (phy->req_flow_ctrl) {
  2961. case BNX2X_FLOW_CTRL_AUTO:
  2962. switch (params->req_fc_auto_adv) {
  2963. case BNX2X_FLOW_CTRL_BOTH:
  2964. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2965. break;
  2966. case BNX2X_FLOW_CTRL_RX:
  2967. case BNX2X_FLOW_CTRL_TX:
  2968. *ieee_fc |=
  2969. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2970. break;
  2971. default:
  2972. break;
  2973. }
  2974. break;
  2975. case BNX2X_FLOW_CTRL_TX:
  2976. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2977. break;
  2978. case BNX2X_FLOW_CTRL_RX:
  2979. case BNX2X_FLOW_CTRL_BOTH:
  2980. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2981. break;
  2982. case BNX2X_FLOW_CTRL_NONE:
  2983. default:
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2985. break;
  2986. }
  2987. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2988. }
  2989. static void set_phy_vars(struct link_params *params,
  2990. struct link_vars *vars)
  2991. {
  2992. struct bnx2x *bp = params->bp;
  2993. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2994. u8 phy_config_swapped = params->multi_phy_config &
  2995. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2996. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2997. phy_index++) {
  2998. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2999. actual_phy_idx = phy_index;
  3000. if (phy_config_swapped) {
  3001. if (phy_index == EXT_PHY1)
  3002. actual_phy_idx = EXT_PHY2;
  3003. else if (phy_index == EXT_PHY2)
  3004. actual_phy_idx = EXT_PHY1;
  3005. }
  3006. params->phy[actual_phy_idx].req_flow_ctrl =
  3007. params->req_flow_ctrl[link_cfg_idx];
  3008. params->phy[actual_phy_idx].req_line_speed =
  3009. params->req_line_speed[link_cfg_idx];
  3010. params->phy[actual_phy_idx].speed_cap_mask =
  3011. params->speed_cap_mask[link_cfg_idx];
  3012. params->phy[actual_phy_idx].req_duplex =
  3013. params->req_duplex[link_cfg_idx];
  3014. if (params->req_line_speed[link_cfg_idx] ==
  3015. SPEED_AUTO_NEG)
  3016. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3017. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3018. " speed_cap_mask %x\n",
  3019. params->phy[actual_phy_idx].req_flow_ctrl,
  3020. params->phy[actual_phy_idx].req_line_speed,
  3021. params->phy[actual_phy_idx].speed_cap_mask);
  3022. }
  3023. }
  3024. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3025. struct bnx2x_phy *phy,
  3026. struct link_vars *vars)
  3027. {
  3028. u16 val;
  3029. struct bnx2x *bp = params->bp;
  3030. /* Read modify write pause advertizing */
  3031. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3032. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3033. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3034. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3035. if ((vars->ieee_fc &
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3037. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3038. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3039. }
  3040. if ((vars->ieee_fc &
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3042. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3043. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3044. }
  3045. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3046. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3047. }
  3048. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3049. { /* LD LP */
  3050. switch (pause_result) { /* ASYM P ASYM P */
  3051. case 0xb: /* 1 0 1 1 */
  3052. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3053. break;
  3054. case 0xe: /* 1 1 1 0 */
  3055. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3056. break;
  3057. case 0x5: /* 0 1 0 1 */
  3058. case 0x7: /* 0 1 1 1 */
  3059. case 0xd: /* 1 1 0 1 */
  3060. case 0xf: /* 1 1 1 1 */
  3061. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3062. break;
  3063. default:
  3064. break;
  3065. }
  3066. if (pause_result & (1<<0))
  3067. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3068. if (pause_result & (1<<1))
  3069. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3070. }
  3071. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3072. struct link_params *params,
  3073. struct link_vars *vars)
  3074. {
  3075. u16 ld_pause; /* local */
  3076. u16 lp_pause; /* link partner */
  3077. u16 pause_result;
  3078. struct bnx2x *bp = params->bp;
  3079. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3080. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3081. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3082. } else if (CHIP_IS_E3(bp) &&
  3083. SINGLE_MEDIA_DIRECT(params)) {
  3084. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3085. u16 gp_status, gp_mask;
  3086. bnx2x_cl45_read(bp, phy,
  3087. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3088. &gp_status);
  3089. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3090. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3091. lane;
  3092. if ((gp_status & gp_mask) == gp_mask) {
  3093. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3094. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3095. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3096. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3097. } else {
  3098. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3099. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3100. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3101. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3102. ld_pause = ((ld_pause &
  3103. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3104. << 3);
  3105. lp_pause = ((lp_pause &
  3106. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3107. << 3);
  3108. }
  3109. } else {
  3110. bnx2x_cl45_read(bp, phy,
  3111. MDIO_AN_DEVAD,
  3112. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3113. bnx2x_cl45_read(bp, phy,
  3114. MDIO_AN_DEVAD,
  3115. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3116. }
  3117. pause_result = (ld_pause &
  3118. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3119. pause_result |= (lp_pause &
  3120. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3121. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3122. bnx2x_pause_resolve(vars, pause_result);
  3123. }
  3124. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3125. struct link_params *params,
  3126. struct link_vars *vars)
  3127. {
  3128. u8 ret = 0;
  3129. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3130. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3131. /* Update the advertised flow-controled of LD/LP in AN */
  3132. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3133. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3134. /* But set the flow-control result as the requested one */
  3135. vars->flow_ctrl = phy->req_flow_ctrl;
  3136. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3137. vars->flow_ctrl = params->req_fc_auto_adv;
  3138. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3139. ret = 1;
  3140. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3141. }
  3142. return ret;
  3143. }
  3144. /******************************************************************/
  3145. /* Warpcore section */
  3146. /******************************************************************/
  3147. /* The init_internal_warpcore should mirror the xgxs,
  3148. * i.e. reset the lane (if needed), set aer for the
  3149. * init configuration, and set/clear SGMII flag. Internal
  3150. * phy init is done purely in phy_init stage.
  3151. */
  3152. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3153. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3154. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3155. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3156. #define WC_TX_FIR(post, main, pre) \
  3157. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3158. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3159. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3160. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3161. struct link_params *params,
  3162. struct link_vars *vars)
  3163. {
  3164. struct bnx2x *bp = params->bp;
  3165. u16 i;
  3166. static struct bnx2x_reg_set reg_set[] = {
  3167. /* Step 1 - Program the TX/RX alignment markers */
  3168. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3169. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3170. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3171. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3172. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3173. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3174. /* Step 2 - Configure the NP registers */
  3175. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3176. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3177. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3178. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3179. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3180. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3181. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3182. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3183. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3184. };
  3185. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3186. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3187. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3188. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3189. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3190. reg_set[i].val);
  3191. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3192. params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3193. bnx2x_update_link_attr(params, params->link_attr_sync);
  3194. }
  3195. static void bnx2x_disable_kr2(struct link_params *params,
  3196. struct link_vars *vars,
  3197. struct bnx2x_phy *phy)
  3198. {
  3199. struct bnx2x *bp = params->bp;
  3200. int i;
  3201. static struct bnx2x_reg_set reg_set[] = {
  3202. /* Step 1 - Program the TX/RX alignment markers */
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3206. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3216. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3217. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3218. };
  3219. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3220. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3221. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3222. reg_set[i].val);
  3223. params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3224. bnx2x_update_link_attr(params, params->link_attr_sync);
  3225. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3226. }
  3227. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3228. struct link_params *params)
  3229. {
  3230. struct bnx2x *bp = params->bp;
  3231. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3234. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3235. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3236. }
  3237. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3238. struct link_params *params)
  3239. {
  3240. /* Restart autoneg on the leading lane only */
  3241. struct bnx2x *bp = params->bp;
  3242. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3243. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3244. MDIO_AER_BLOCK_AER_REG, lane);
  3245. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3246. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3247. /* Restore AER */
  3248. bnx2x_set_aer_mmd(params, phy);
  3249. }
  3250. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3251. struct link_params *params,
  3252. struct link_vars *vars) {
  3253. u16 lane, i, cl72_ctrl, an_adv = 0, val;
  3254. u32 wc_lane_config;
  3255. struct bnx2x *bp = params->bp;
  3256. static struct bnx2x_reg_set reg_set[] = {
  3257. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3258. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3259. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3260. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3261. /* Disable Autoneg: re-enable it after adv is done. */
  3262. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3263. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3264. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3265. };
  3266. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3267. /* Set to default registers that may be overriden by 10G force */
  3268. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3269. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3270. reg_set[i].val);
  3271. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3273. cl72_ctrl &= 0x08ff;
  3274. cl72_ctrl |= 0x3800;
  3275. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3277. /* Check adding advertisement for 1G KX */
  3278. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3279. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3280. (vars->line_speed == SPEED_1000)) {
  3281. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3282. an_adv |= (1<<5);
  3283. /* Enable CL37 1G Parallel Detect */
  3284. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3285. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3286. }
  3287. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3288. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3289. (vars->line_speed == SPEED_10000)) {
  3290. /* Check adding advertisement for 10G KR */
  3291. an_adv |= (1<<7);
  3292. /* Enable 10G Parallel Detect */
  3293. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3294. MDIO_AER_BLOCK_AER_REG, 0);
  3295. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3296. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3297. bnx2x_set_aer_mmd(params, phy);
  3298. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3299. }
  3300. /* Set Transmit PMD settings */
  3301. lane = bnx2x_get_warpcore_lane(phy, params);
  3302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3304. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3305. /* Configure the next lane if dual mode */
  3306. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3309. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3310. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3312. 0x03f0);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3315. 0x03f0);
  3316. /* Advertised speeds */
  3317. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3318. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3319. /* Advertised and set FEC (Forward Error Correction) */
  3320. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3321. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3322. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3323. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3324. /* Enable CL37 BAM */
  3325. if (REG_RD(bp, params->shmem_base +
  3326. offsetof(struct shmem_region, dev_info.
  3327. port_hw_config[params->port].default_cfg)) &
  3328. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3329. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3331. 1);
  3332. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3333. }
  3334. /* Advertise pause */
  3335. bnx2x_ext_phy_set_pause(params, phy, vars);
  3336. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3337. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3339. /* Over 1G - AN local device user page 1 */
  3340. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3342. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3343. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3344. (phy->req_line_speed == SPEED_20000)) {
  3345. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3346. MDIO_AER_BLOCK_AER_REG, lane);
  3347. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3349. (1<<11));
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3352. bnx2x_set_aer_mmd(params, phy);
  3353. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3354. } else {
  3355. /* Enable Auto-Detect to support 1G over CL37 as well */
  3356. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3357. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
  3358. wc_lane_config = REG_RD(bp, params->shmem_base +
  3359. offsetof(struct shmem_region, dev_info.
  3360. shared_hw_config.wc_lane_config));
  3361. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
  3363. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3364. * parallel-detect loop when CL73 and CL37 are enabled.
  3365. */
  3366. val |= 1 << 11;
  3367. /* Restore Polarity settings in case it was run over by
  3368. * previous link owner
  3369. */
  3370. if (wc_lane_config &
  3371. (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
  3372. val |= 3 << 2;
  3373. else
  3374. val &= ~(3 << 2);
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
  3377. val);
  3378. bnx2x_disable_kr2(params, vars, phy);
  3379. }
  3380. /* Enable Autoneg: only on the main lane */
  3381. bnx2x_warpcore_restart_AN_KR(phy, params);
  3382. }
  3383. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3384. struct link_params *params,
  3385. struct link_vars *vars)
  3386. {
  3387. struct bnx2x *bp = params->bp;
  3388. u16 val16, i, lane;
  3389. static struct bnx2x_reg_set reg_set[] = {
  3390. /* Disable Autoneg */
  3391. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3392. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3393. 0x3f00},
  3394. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3395. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3396. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3397. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3398. /* Leave cl72 training enable, needed for KR */
  3399. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3400. };
  3401. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3402. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3403. reg_set[i].val);
  3404. lane = bnx2x_get_warpcore_lane(phy, params);
  3405. /* Global registers */
  3406. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3407. MDIO_AER_BLOCK_AER_REG, 0);
  3408. /* Disable CL36 PCS Tx */
  3409. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3411. val16 &= ~(0x0011 << lane);
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3416. val16 |= (0x0303 << (lane << 1));
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3419. /* Restore AER */
  3420. bnx2x_set_aer_mmd(params, phy);
  3421. /* Set speed via PMA/PMD register */
  3422. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3423. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3424. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3425. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3426. /* Enable encoded forced speed */
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3429. /* Turn TX scramble payload only the 64/66 scrambler */
  3430. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3432. /* Turn RX scramble payload only the 64/66 scrambler */
  3433. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3435. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3436. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3438. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3440. }
  3441. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3442. struct link_params *params,
  3443. u8 is_xfi)
  3444. {
  3445. struct bnx2x *bp = params->bp;
  3446. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3447. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3448. /* Hold rxSeqStart */
  3449. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3451. /* Hold tx_fifo_reset */
  3452. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3454. /* Disable CL73 AN */
  3455. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3456. /* Disable 100FX Enable and Auto-Detect */
  3457. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3459. /* Disable 100FX Idle detect */
  3460. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3462. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3463. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3465. /* Turn off auto-detect & fiber mode */
  3466. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3468. 0xFFEE);
  3469. /* Set filter_force_link, disable_false_link and parallel_detect */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3474. ((val | 0x0006) & 0xFFFE));
  3475. /* Set XFI / SFI */
  3476. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3478. misc1_val &= ~(0x1f);
  3479. if (is_xfi) {
  3480. misc1_val |= 0x5;
  3481. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3482. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3483. } else {
  3484. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3485. offsetof(struct shmem_region, dev_info.
  3486. port_hw_config[params->port].
  3487. sfi_tap_values));
  3488. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3489. tx_drv_brdct = (cfg_tap_val &
  3490. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3491. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3492. misc1_val |= 0x9;
  3493. /* TAP values are controlled by nvram, if value there isn't 0 */
  3494. if (tx_equal)
  3495. tap_val = (u16)tx_equal;
  3496. else
  3497. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3498. if (tx_drv_brdct)
  3499. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3500. 0x06);
  3501. else
  3502. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3503. }
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3506. /* Set Transmit PMD settings */
  3507. lane = bnx2x_get_warpcore_lane(phy, params);
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_TX_FIR_TAP,
  3510. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3513. tx_driver_val);
  3514. /* Enable fiber mode, enable and invert sig_det */
  3515. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3517. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3518. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3520. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3521. /* 10G XFI Full Duplex */
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3524. /* Release tx_fifo_reset */
  3525. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3527. 0xFFFE);
  3528. /* Release rxSeqStart */
  3529. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3531. }
  3532. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3533. struct link_params *params)
  3534. {
  3535. u16 val;
  3536. struct bnx2x *bp = params->bp;
  3537. /* Set global registers, so set AER lane to 0 */
  3538. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3539. MDIO_AER_BLOCK_AER_REG, 0);
  3540. /* Disable sequencer */
  3541. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3543. bnx2x_set_aer_mmd(params, phy);
  3544. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3545. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3546. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3547. MDIO_AN_REG_CTRL, 0);
  3548. /* Turn off CL73 */
  3549. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3550. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3551. val &= ~(1<<5);
  3552. val |= (1<<6);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3555. /* Set 20G KR2 force speed */
  3556. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3558. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3560. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3562. val &= ~(3<<14);
  3563. val |= (1<<15);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3568. /* Enable sequencer (over lane 0) */
  3569. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3570. MDIO_AER_BLOCK_AER_REG, 0);
  3571. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3572. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3573. bnx2x_set_aer_mmd(params, phy);
  3574. }
  3575. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3576. struct bnx2x_phy *phy,
  3577. u16 lane)
  3578. {
  3579. /* Rx0 anaRxControl1G */
  3580. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3582. /* Rx2 anaRxControl1G */
  3583. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3584. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3585. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3589. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3599. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3601. /* Serdes Digital Misc1 */
  3602. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3604. /* Serdes Digital4 Misc3 */
  3605. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3607. /* Set Transmit PMD settings */
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_TX_FIR_TAP,
  3610. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3611. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3612. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3613. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3614. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3615. }
  3616. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3617. struct link_params *params,
  3618. u8 fiber_mode,
  3619. u8 always_autoneg)
  3620. {
  3621. struct bnx2x *bp = params->bp;
  3622. u16 val16, digctrl_kx1, digctrl_kx2;
  3623. /* Clear XFI clock comp in non-10G single lane mode. */
  3624. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3625. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3626. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3627. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3628. /* SGMII Autoneg */
  3629. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3630. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3631. 0x1000);
  3632. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3633. } else {
  3634. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3636. val16 &= 0xcebf;
  3637. switch (phy->req_line_speed) {
  3638. case SPEED_10:
  3639. break;
  3640. case SPEED_100:
  3641. val16 |= 0x2000;
  3642. break;
  3643. case SPEED_1000:
  3644. val16 |= 0x0040;
  3645. break;
  3646. default:
  3647. DP(NETIF_MSG_LINK,
  3648. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3649. return;
  3650. }
  3651. if (phy->req_duplex == DUPLEX_FULL)
  3652. val16 |= 0x0100;
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3655. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3656. phy->req_line_speed);
  3657. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3659. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3660. }
  3661. /* SGMII Slave mode and disable signal detect */
  3662. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3663. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3664. if (fiber_mode)
  3665. digctrl_kx1 = 1;
  3666. else
  3667. digctrl_kx1 &= 0xff4a;
  3668. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3669. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3670. digctrl_kx1);
  3671. /* Turn off parallel detect */
  3672. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3674. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3676. (digctrl_kx2 & ~(1<<2)));
  3677. /* Re-enable parallel detect */
  3678. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3679. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3680. (digctrl_kx2 | (1<<2)));
  3681. /* Enable autodet */
  3682. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3684. (digctrl_kx1 | 0x10));
  3685. }
  3686. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3687. struct bnx2x_phy *phy,
  3688. u8 reset)
  3689. {
  3690. u16 val;
  3691. /* Take lane out of reset after configuration is finished */
  3692. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3693. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3694. if (reset)
  3695. val |= 0xC000;
  3696. else
  3697. val &= 0x3FFF;
  3698. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3699. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3700. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3701. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3702. }
  3703. /* Clear SFI/XFI link settings registers */
  3704. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3705. struct link_params *params,
  3706. u16 lane)
  3707. {
  3708. struct bnx2x *bp = params->bp;
  3709. u16 i;
  3710. static struct bnx2x_reg_set wc_regs[] = {
  3711. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3712. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3713. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3714. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3715. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3716. 0x0195},
  3717. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3718. 0x0007},
  3719. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3720. 0x0002},
  3721. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3722. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3723. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3724. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3725. };
  3726. /* Set XFI clock comp as default. */
  3727. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3728. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3729. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3730. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3731. wc_regs[i].val);
  3732. lane = bnx2x_get_warpcore_lane(phy, params);
  3733. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3734. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3735. }
  3736. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3737. u32 chip_id,
  3738. u32 shmem_base, u8 port,
  3739. u8 *gpio_num, u8 *gpio_port)
  3740. {
  3741. u32 cfg_pin;
  3742. *gpio_num = 0;
  3743. *gpio_port = 0;
  3744. if (CHIP_IS_E3(bp)) {
  3745. cfg_pin = (REG_RD(bp, shmem_base +
  3746. offsetof(struct shmem_region,
  3747. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3748. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3749. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3750. /* Should not happen. This function called upon interrupt
  3751. * triggered by GPIO ( since EPIO can only generate interrupts
  3752. * to MCP).
  3753. * So if this function was called and none of the GPIOs was set,
  3754. * it means the shit hit the fan.
  3755. */
  3756. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3757. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3758. DP(NETIF_MSG_LINK,
  3759. "No cfg pin %x for module detect indication\n",
  3760. cfg_pin);
  3761. return -EINVAL;
  3762. }
  3763. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3764. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3765. } else {
  3766. *gpio_num = MISC_REGISTERS_GPIO_3;
  3767. *gpio_port = port;
  3768. }
  3769. return 0;
  3770. }
  3771. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3772. struct link_params *params)
  3773. {
  3774. struct bnx2x *bp = params->bp;
  3775. u8 gpio_num, gpio_port;
  3776. u32 gpio_val;
  3777. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3778. params->shmem_base, params->port,
  3779. &gpio_num, &gpio_port) != 0)
  3780. return 0;
  3781. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3782. /* Call the handling function in case module is detected */
  3783. if (gpio_val == 0)
  3784. return 1;
  3785. else
  3786. return 0;
  3787. }
  3788. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3789. struct link_params *params)
  3790. {
  3791. u16 gp2_status_reg0, lane;
  3792. struct bnx2x *bp = params->bp;
  3793. lane = bnx2x_get_warpcore_lane(phy, params);
  3794. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3795. &gp2_status_reg0);
  3796. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3797. }
  3798. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3799. struct link_params *params,
  3800. struct link_vars *vars)
  3801. {
  3802. struct bnx2x *bp = params->bp;
  3803. u32 serdes_net_if;
  3804. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3805. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3806. if (!vars->turn_to_run_wc_rt)
  3807. return;
  3808. if (vars->rx_tx_asic_rst) {
  3809. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3810. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3811. offsetof(struct shmem_region, dev_info.
  3812. port_hw_config[params->port].default_cfg)) &
  3813. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3814. switch (serdes_net_if) {
  3815. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3816. /* Do we get link yet? */
  3817. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3818. &gp_status1);
  3819. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3820. /*10G KR*/
  3821. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3822. if (lnkup_kr || lnkup) {
  3823. vars->rx_tx_asic_rst = 0;
  3824. } else {
  3825. /* Reset the lane to see if link comes up.*/
  3826. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3827. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3828. /* Restart Autoneg */
  3829. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3830. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3831. vars->rx_tx_asic_rst--;
  3832. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3833. vars->rx_tx_asic_rst);
  3834. }
  3835. break;
  3836. default:
  3837. break;
  3838. }
  3839. } /*params->rx_tx_asic_rst*/
  3840. }
  3841. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3842. struct link_params *params)
  3843. {
  3844. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3845. struct bnx2x *bp = params->bp;
  3846. bnx2x_warpcore_clear_regs(phy, params, lane);
  3847. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3848. SPEED_10000) &&
  3849. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3850. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3851. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3852. } else {
  3853. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3854. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3855. }
  3856. }
  3857. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3858. struct bnx2x_phy *phy,
  3859. u8 tx_en)
  3860. {
  3861. struct bnx2x *bp = params->bp;
  3862. u32 cfg_pin;
  3863. u8 port = params->port;
  3864. cfg_pin = REG_RD(bp, params->shmem_base +
  3865. offsetof(struct shmem_region,
  3866. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3867. PORT_HW_CFG_E3_TX_LASER_MASK;
  3868. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3869. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3870. /* For 20G, the expected pin to be used is 3 pins after the current */
  3871. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3872. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3873. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3874. }
  3875. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3876. struct link_params *params,
  3877. struct link_vars *vars)
  3878. {
  3879. struct bnx2x *bp = params->bp;
  3880. u32 serdes_net_if;
  3881. u8 fiber_mode;
  3882. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3883. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3884. offsetof(struct shmem_region, dev_info.
  3885. port_hw_config[params->port].default_cfg)) &
  3886. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3887. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3888. "serdes_net_if = 0x%x\n",
  3889. vars->line_speed, serdes_net_if);
  3890. bnx2x_set_aer_mmd(params, phy);
  3891. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3892. vars->phy_flags |= PHY_XGXS_FLAG;
  3893. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3894. (phy->req_line_speed &&
  3895. ((phy->req_line_speed == SPEED_100) ||
  3896. (phy->req_line_speed == SPEED_10)))) {
  3897. vars->phy_flags |= PHY_SGMII_FLAG;
  3898. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3899. bnx2x_warpcore_clear_regs(phy, params, lane);
  3900. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3901. } else {
  3902. switch (serdes_net_if) {
  3903. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3904. /* Enable KR Auto Neg */
  3905. if (params->loopback_mode != LOOPBACK_EXT)
  3906. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3907. else {
  3908. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3909. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3910. }
  3911. break;
  3912. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3913. bnx2x_warpcore_clear_regs(phy, params, lane);
  3914. if (vars->line_speed == SPEED_10000) {
  3915. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3916. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3917. } else {
  3918. if (SINGLE_MEDIA_DIRECT(params)) {
  3919. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3920. fiber_mode = 1;
  3921. } else {
  3922. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3923. fiber_mode = 0;
  3924. }
  3925. bnx2x_warpcore_set_sgmii_speed(phy,
  3926. params,
  3927. fiber_mode,
  3928. 0);
  3929. }
  3930. break;
  3931. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3932. /* Issue Module detection if module is plugged, or
  3933. * enabled transmitter to avoid current leakage in case
  3934. * no module is connected
  3935. */
  3936. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3937. (params->loopback_mode == LOOPBACK_EXT)) {
  3938. if (bnx2x_is_sfp_module_plugged(phy, params))
  3939. bnx2x_sfp_module_detection(phy, params);
  3940. else
  3941. bnx2x_sfp_e3_set_transmitter(params,
  3942. phy, 1);
  3943. }
  3944. bnx2x_warpcore_config_sfi(phy, params);
  3945. break;
  3946. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3947. if (vars->line_speed != SPEED_20000) {
  3948. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3949. return;
  3950. }
  3951. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3952. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3953. /* Issue Module detection */
  3954. bnx2x_sfp_module_detection(phy, params);
  3955. break;
  3956. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3957. if (!params->loopback_mode) {
  3958. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3959. } else {
  3960. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3961. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3962. }
  3963. break;
  3964. default:
  3965. DP(NETIF_MSG_LINK,
  3966. "Unsupported Serdes Net Interface 0x%x\n",
  3967. serdes_net_if);
  3968. return;
  3969. }
  3970. }
  3971. /* Take lane out of reset after configuration is finished */
  3972. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3973. DP(NETIF_MSG_LINK, "Exit config init\n");
  3974. }
  3975. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3976. struct link_params *params)
  3977. {
  3978. struct bnx2x *bp = params->bp;
  3979. u16 val16, lane;
  3980. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3981. bnx2x_set_mdio_emac_per_phy(bp, params);
  3982. bnx2x_set_aer_mmd(params, phy);
  3983. /* Global register */
  3984. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3985. /* Clear loopback settings (if any) */
  3986. /* 10G & 20G */
  3987. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3988. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3989. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3990. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3991. /* Update those 1-copy registers */
  3992. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3993. MDIO_AER_BLOCK_AER_REG, 0);
  3994. /* Enable 1G MDIO (1-copy) */
  3995. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3996. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3997. ~0x10);
  3998. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3999. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4000. lane = bnx2x_get_warpcore_lane(phy, params);
  4001. /* Disable CL36 PCS Tx */
  4002. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4003. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4004. val16 |= (0x11 << lane);
  4005. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4006. val16 |= (0x22 << lane);
  4007. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4009. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4010. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4011. val16 &= ~(0x0303 << (lane << 1));
  4012. val16 |= (0x0101 << (lane << 1));
  4013. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4014. val16 &= ~(0x0c0c << (lane << 1));
  4015. val16 |= (0x0404 << (lane << 1));
  4016. }
  4017. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4018. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4019. /* Restore AER */
  4020. bnx2x_set_aer_mmd(params, phy);
  4021. }
  4022. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4023. struct link_params *params)
  4024. {
  4025. struct bnx2x *bp = params->bp;
  4026. u16 val16;
  4027. u32 lane;
  4028. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4029. params->loopback_mode, phy->req_line_speed);
  4030. if (phy->req_line_speed < SPEED_10000 ||
  4031. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4032. /* 10/100/1000/20G-KR2 */
  4033. /* Update those 1-copy registers */
  4034. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4035. MDIO_AER_BLOCK_AER_REG, 0);
  4036. /* Enable 1G MDIO (1-copy) */
  4037. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4038. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4039. 0x10);
  4040. /* Set 1G loopback based on lane (1-copy) */
  4041. lane = bnx2x_get_warpcore_lane(phy, params);
  4042. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4043. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4044. val16 |= (1<<lane);
  4045. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4046. val16 |= (2<<lane);
  4047. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4048. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4049. val16);
  4050. /* Switch back to 4-copy registers */
  4051. bnx2x_set_aer_mmd(params, phy);
  4052. } else {
  4053. /* 10G / 20G-DXGXS */
  4054. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4055. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4056. 0x4000);
  4057. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4058. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4059. }
  4060. }
  4061. static void bnx2x_sync_link(struct link_params *params,
  4062. struct link_vars *vars)
  4063. {
  4064. struct bnx2x *bp = params->bp;
  4065. u8 link_10g_plus;
  4066. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4067. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4068. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4069. if (vars->link_up) {
  4070. DP(NETIF_MSG_LINK, "phy link up\n");
  4071. vars->phy_link_up = 1;
  4072. vars->duplex = DUPLEX_FULL;
  4073. switch (vars->link_status &
  4074. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4075. case LINK_10THD:
  4076. vars->duplex = DUPLEX_HALF;
  4077. /* Fall thru */
  4078. case LINK_10TFD:
  4079. vars->line_speed = SPEED_10;
  4080. break;
  4081. case LINK_100TXHD:
  4082. vars->duplex = DUPLEX_HALF;
  4083. /* Fall thru */
  4084. case LINK_100T4:
  4085. case LINK_100TXFD:
  4086. vars->line_speed = SPEED_100;
  4087. break;
  4088. case LINK_1000THD:
  4089. vars->duplex = DUPLEX_HALF;
  4090. /* Fall thru */
  4091. case LINK_1000TFD:
  4092. vars->line_speed = SPEED_1000;
  4093. break;
  4094. case LINK_2500THD:
  4095. vars->duplex = DUPLEX_HALF;
  4096. /* Fall thru */
  4097. case LINK_2500TFD:
  4098. vars->line_speed = SPEED_2500;
  4099. break;
  4100. case LINK_10GTFD:
  4101. vars->line_speed = SPEED_10000;
  4102. break;
  4103. case LINK_20GTFD:
  4104. vars->line_speed = SPEED_20000;
  4105. break;
  4106. default:
  4107. break;
  4108. }
  4109. vars->flow_ctrl = 0;
  4110. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4111. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4112. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4113. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4114. if (!vars->flow_ctrl)
  4115. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4116. if (vars->line_speed &&
  4117. ((vars->line_speed == SPEED_10) ||
  4118. (vars->line_speed == SPEED_100))) {
  4119. vars->phy_flags |= PHY_SGMII_FLAG;
  4120. } else {
  4121. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4122. }
  4123. if (vars->line_speed &&
  4124. USES_WARPCORE(bp) &&
  4125. (vars->line_speed == SPEED_1000))
  4126. vars->phy_flags |= PHY_SGMII_FLAG;
  4127. /* Anything 10 and over uses the bmac */
  4128. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4129. if (link_10g_plus) {
  4130. if (USES_WARPCORE(bp))
  4131. vars->mac_type = MAC_TYPE_XMAC;
  4132. else
  4133. vars->mac_type = MAC_TYPE_BMAC;
  4134. } else {
  4135. if (USES_WARPCORE(bp))
  4136. vars->mac_type = MAC_TYPE_UMAC;
  4137. else
  4138. vars->mac_type = MAC_TYPE_EMAC;
  4139. }
  4140. } else { /* Link down */
  4141. DP(NETIF_MSG_LINK, "phy link down\n");
  4142. vars->phy_link_up = 0;
  4143. vars->line_speed = 0;
  4144. vars->duplex = DUPLEX_FULL;
  4145. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4146. /* Indicate no mac active */
  4147. vars->mac_type = MAC_TYPE_NONE;
  4148. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4149. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4150. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4151. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4152. }
  4153. }
  4154. void bnx2x_link_status_update(struct link_params *params,
  4155. struct link_vars *vars)
  4156. {
  4157. struct bnx2x *bp = params->bp;
  4158. u8 port = params->port;
  4159. u32 sync_offset, media_types;
  4160. /* Update PHY configuration */
  4161. set_phy_vars(params, vars);
  4162. vars->link_status = REG_RD(bp, params->shmem_base +
  4163. offsetof(struct shmem_region,
  4164. port_mb[port].link_status));
  4165. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4166. if (params->loopback_mode != LOOPBACK_NONE &&
  4167. params->loopback_mode != LOOPBACK_EXT)
  4168. vars->link_status |= LINK_STATUS_LINK_UP;
  4169. if (bnx2x_eee_has_cap(params))
  4170. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4171. offsetof(struct shmem2_region,
  4172. eee_status[params->port]));
  4173. vars->phy_flags = PHY_XGXS_FLAG;
  4174. bnx2x_sync_link(params, vars);
  4175. /* Sync media type */
  4176. sync_offset = params->shmem_base +
  4177. offsetof(struct shmem_region,
  4178. dev_info.port_hw_config[port].media_type);
  4179. media_types = REG_RD(bp, sync_offset);
  4180. params->phy[INT_PHY].media_type =
  4181. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4182. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4183. params->phy[EXT_PHY1].media_type =
  4184. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4185. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4186. params->phy[EXT_PHY2].media_type =
  4187. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4188. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4189. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4190. /* Sync AEU offset */
  4191. sync_offset = params->shmem_base +
  4192. offsetof(struct shmem_region,
  4193. dev_info.port_hw_config[port].aeu_int_mask);
  4194. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4195. /* Sync PFC status */
  4196. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4197. params->feature_config_flags |=
  4198. FEATURE_CONFIG_PFC_ENABLED;
  4199. else
  4200. params->feature_config_flags &=
  4201. ~FEATURE_CONFIG_PFC_ENABLED;
  4202. if (SHMEM2_HAS(bp, link_attr_sync))
  4203. params->link_attr_sync = SHMEM2_RD(bp,
  4204. link_attr_sync[params->port]);
  4205. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4206. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4207. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4208. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4209. }
  4210. static void bnx2x_set_master_ln(struct link_params *params,
  4211. struct bnx2x_phy *phy)
  4212. {
  4213. struct bnx2x *bp = params->bp;
  4214. u16 new_master_ln, ser_lane;
  4215. ser_lane = ((params->lane_config &
  4216. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4217. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4218. /* Set the master_ln for AN */
  4219. CL22_RD_OVER_CL45(bp, phy,
  4220. MDIO_REG_BANK_XGXS_BLOCK2,
  4221. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4222. &new_master_ln);
  4223. CL22_WR_OVER_CL45(bp, phy,
  4224. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4225. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4226. (new_master_ln | ser_lane));
  4227. }
  4228. static int bnx2x_reset_unicore(struct link_params *params,
  4229. struct bnx2x_phy *phy,
  4230. u8 set_serdes)
  4231. {
  4232. struct bnx2x *bp = params->bp;
  4233. u16 mii_control;
  4234. u16 i;
  4235. CL22_RD_OVER_CL45(bp, phy,
  4236. MDIO_REG_BANK_COMBO_IEEE0,
  4237. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4238. /* Reset the unicore */
  4239. CL22_WR_OVER_CL45(bp, phy,
  4240. MDIO_REG_BANK_COMBO_IEEE0,
  4241. MDIO_COMBO_IEEE0_MII_CONTROL,
  4242. (mii_control |
  4243. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4244. if (set_serdes)
  4245. bnx2x_set_serdes_access(bp, params->port);
  4246. /* Wait for the reset to self clear */
  4247. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4248. udelay(5);
  4249. /* The reset erased the previous bank value */
  4250. CL22_RD_OVER_CL45(bp, phy,
  4251. MDIO_REG_BANK_COMBO_IEEE0,
  4252. MDIO_COMBO_IEEE0_MII_CONTROL,
  4253. &mii_control);
  4254. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4255. udelay(5);
  4256. return 0;
  4257. }
  4258. }
  4259. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4260. " Port %d\n",
  4261. params->port);
  4262. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4263. return -EINVAL;
  4264. }
  4265. static void bnx2x_set_swap_lanes(struct link_params *params,
  4266. struct bnx2x_phy *phy)
  4267. {
  4268. struct bnx2x *bp = params->bp;
  4269. /* Each two bits represents a lane number:
  4270. * No swap is 0123 => 0x1b no need to enable the swap
  4271. */
  4272. u16 rx_lane_swap, tx_lane_swap;
  4273. rx_lane_swap = ((params->lane_config &
  4274. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4275. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4276. tx_lane_swap = ((params->lane_config &
  4277. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4278. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4279. if (rx_lane_swap != 0x1b) {
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_XGXS_BLOCK2,
  4282. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4283. (rx_lane_swap |
  4284. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4285. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4286. } else {
  4287. CL22_WR_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_XGXS_BLOCK2,
  4289. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4290. }
  4291. if (tx_lane_swap != 0x1b) {
  4292. CL22_WR_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_XGXS_BLOCK2,
  4294. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4295. (tx_lane_swap |
  4296. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4297. } else {
  4298. CL22_WR_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_XGXS_BLOCK2,
  4300. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4301. }
  4302. }
  4303. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4304. struct link_params *params)
  4305. {
  4306. struct bnx2x *bp = params->bp;
  4307. u16 control2;
  4308. CL22_RD_OVER_CL45(bp, phy,
  4309. MDIO_REG_BANK_SERDES_DIGITAL,
  4310. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4311. &control2);
  4312. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4313. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4314. else
  4315. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4316. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4317. phy->speed_cap_mask, control2);
  4318. CL22_WR_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_SERDES_DIGITAL,
  4320. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4321. control2);
  4322. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4323. (phy->speed_cap_mask &
  4324. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4325. DP(NETIF_MSG_LINK, "XGXS\n");
  4326. CL22_WR_OVER_CL45(bp, phy,
  4327. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4328. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4329. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4330. CL22_RD_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4332. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4333. &control2);
  4334. control2 |=
  4335. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4336. CL22_WR_OVER_CL45(bp, phy,
  4337. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4338. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4339. control2);
  4340. /* Disable parallel detection of HiG */
  4341. CL22_WR_OVER_CL45(bp, phy,
  4342. MDIO_REG_BANK_XGXS_BLOCK2,
  4343. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4344. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4345. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4346. }
  4347. }
  4348. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4349. struct link_params *params,
  4350. struct link_vars *vars,
  4351. u8 enable_cl73)
  4352. {
  4353. struct bnx2x *bp = params->bp;
  4354. u16 reg_val;
  4355. /* CL37 Autoneg */
  4356. CL22_RD_OVER_CL45(bp, phy,
  4357. MDIO_REG_BANK_COMBO_IEEE0,
  4358. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4359. /* CL37 Autoneg Enabled */
  4360. if (vars->line_speed == SPEED_AUTO_NEG)
  4361. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4362. else /* CL37 Autoneg Disabled */
  4363. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4364. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4365. CL22_WR_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_COMBO_IEEE0,
  4367. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4368. /* Enable/Disable Autodetection */
  4369. CL22_RD_OVER_CL45(bp, phy,
  4370. MDIO_REG_BANK_SERDES_DIGITAL,
  4371. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4372. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4373. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4374. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4375. if (vars->line_speed == SPEED_AUTO_NEG)
  4376. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4377. else
  4378. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4379. CL22_WR_OVER_CL45(bp, phy,
  4380. MDIO_REG_BANK_SERDES_DIGITAL,
  4381. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4382. /* Enable TetonII and BAM autoneg */
  4383. CL22_RD_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4385. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4386. &reg_val);
  4387. if (vars->line_speed == SPEED_AUTO_NEG) {
  4388. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4389. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4390. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4391. } else {
  4392. /* TetonII and BAM Autoneg Disabled */
  4393. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4394. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4395. }
  4396. CL22_WR_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4398. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4399. reg_val);
  4400. if (enable_cl73) {
  4401. /* Enable Cl73 FSM status bits */
  4402. CL22_WR_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_CL73_USERB0,
  4404. MDIO_CL73_USERB0_CL73_UCTRL,
  4405. 0xe);
  4406. /* Enable BAM Station Manager*/
  4407. CL22_WR_OVER_CL45(bp, phy,
  4408. MDIO_REG_BANK_CL73_USERB0,
  4409. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4410. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4411. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4412. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4413. /* Advertise CL73 link speeds */
  4414. CL22_RD_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_CL73_IEEEB1,
  4416. MDIO_CL73_IEEEB1_AN_ADV2,
  4417. &reg_val);
  4418. if (phy->speed_cap_mask &
  4419. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4420. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4421. if (phy->speed_cap_mask &
  4422. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4423. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4424. CL22_WR_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_CL73_IEEEB1,
  4426. MDIO_CL73_IEEEB1_AN_ADV2,
  4427. reg_val);
  4428. /* CL73 Autoneg Enabled */
  4429. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4430. } else /* CL73 Autoneg Disabled */
  4431. reg_val = 0;
  4432. CL22_WR_OVER_CL45(bp, phy,
  4433. MDIO_REG_BANK_CL73_IEEEB0,
  4434. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4435. }
  4436. /* Program SerDes, forced speed */
  4437. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4438. struct link_params *params,
  4439. struct link_vars *vars)
  4440. {
  4441. struct bnx2x *bp = params->bp;
  4442. u16 reg_val;
  4443. /* Program duplex, disable autoneg and sgmii*/
  4444. CL22_RD_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_COMBO_IEEE0,
  4446. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4447. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4448. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4449. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4450. if (phy->req_duplex == DUPLEX_FULL)
  4451. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4452. CL22_WR_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_COMBO_IEEE0,
  4454. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4455. /* Program speed
  4456. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4457. */
  4458. CL22_RD_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_SERDES_DIGITAL,
  4460. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4461. /* Clearing the speed value before setting the right speed */
  4462. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4463. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4464. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4465. if (!((vars->line_speed == SPEED_1000) ||
  4466. (vars->line_speed == SPEED_100) ||
  4467. (vars->line_speed == SPEED_10))) {
  4468. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4469. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4470. if (vars->line_speed == SPEED_10000)
  4471. reg_val |=
  4472. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4473. }
  4474. CL22_WR_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_SERDES_DIGITAL,
  4476. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4477. }
  4478. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4479. struct link_params *params)
  4480. {
  4481. struct bnx2x *bp = params->bp;
  4482. u16 val = 0;
  4483. /* Set extended capabilities */
  4484. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4485. val |= MDIO_OVER_1G_UP1_2_5G;
  4486. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4487. val |= MDIO_OVER_1G_UP1_10G;
  4488. CL22_WR_OVER_CL45(bp, phy,
  4489. MDIO_REG_BANK_OVER_1G,
  4490. MDIO_OVER_1G_UP1, val);
  4491. CL22_WR_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_OVER_1G,
  4493. MDIO_OVER_1G_UP3, 0x400);
  4494. }
  4495. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4496. struct link_params *params,
  4497. u16 ieee_fc)
  4498. {
  4499. struct bnx2x *bp = params->bp;
  4500. u16 val;
  4501. /* For AN, we are always publishing full duplex */
  4502. CL22_WR_OVER_CL45(bp, phy,
  4503. MDIO_REG_BANK_COMBO_IEEE0,
  4504. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4505. CL22_RD_OVER_CL45(bp, phy,
  4506. MDIO_REG_BANK_CL73_IEEEB1,
  4507. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4508. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4509. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4510. CL22_WR_OVER_CL45(bp, phy,
  4511. MDIO_REG_BANK_CL73_IEEEB1,
  4512. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4513. }
  4514. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4515. struct link_params *params,
  4516. u8 enable_cl73)
  4517. {
  4518. struct bnx2x *bp = params->bp;
  4519. u16 mii_control;
  4520. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4521. /* Enable and restart BAM/CL37 aneg */
  4522. if (enable_cl73) {
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_CL73_IEEEB0,
  4525. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4526. &mii_control);
  4527. CL22_WR_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_CL73_IEEEB0,
  4529. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4530. (mii_control |
  4531. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4532. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4533. } else {
  4534. CL22_RD_OVER_CL45(bp, phy,
  4535. MDIO_REG_BANK_COMBO_IEEE0,
  4536. MDIO_COMBO_IEEE0_MII_CONTROL,
  4537. &mii_control);
  4538. DP(NETIF_MSG_LINK,
  4539. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4540. mii_control);
  4541. CL22_WR_OVER_CL45(bp, phy,
  4542. MDIO_REG_BANK_COMBO_IEEE0,
  4543. MDIO_COMBO_IEEE0_MII_CONTROL,
  4544. (mii_control |
  4545. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4546. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4547. }
  4548. }
  4549. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4550. struct link_params *params,
  4551. struct link_vars *vars)
  4552. {
  4553. struct bnx2x *bp = params->bp;
  4554. u16 control1;
  4555. /* In SGMII mode, the unicore is always slave */
  4556. CL22_RD_OVER_CL45(bp, phy,
  4557. MDIO_REG_BANK_SERDES_DIGITAL,
  4558. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4559. &control1);
  4560. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4561. /* Set sgmii mode (and not fiber) */
  4562. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4563. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4564. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4565. CL22_WR_OVER_CL45(bp, phy,
  4566. MDIO_REG_BANK_SERDES_DIGITAL,
  4567. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4568. control1);
  4569. /* If forced speed */
  4570. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4571. /* Set speed, disable autoneg */
  4572. u16 mii_control;
  4573. CL22_RD_OVER_CL45(bp, phy,
  4574. MDIO_REG_BANK_COMBO_IEEE0,
  4575. MDIO_COMBO_IEEE0_MII_CONTROL,
  4576. &mii_control);
  4577. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4578. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4579. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4580. switch (vars->line_speed) {
  4581. case SPEED_100:
  4582. mii_control |=
  4583. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4584. break;
  4585. case SPEED_1000:
  4586. mii_control |=
  4587. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4588. break;
  4589. case SPEED_10:
  4590. /* There is nothing to set for 10M */
  4591. break;
  4592. default:
  4593. /* Invalid speed for SGMII */
  4594. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4595. vars->line_speed);
  4596. break;
  4597. }
  4598. /* Setting the full duplex */
  4599. if (phy->req_duplex == DUPLEX_FULL)
  4600. mii_control |=
  4601. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4602. CL22_WR_OVER_CL45(bp, phy,
  4603. MDIO_REG_BANK_COMBO_IEEE0,
  4604. MDIO_COMBO_IEEE0_MII_CONTROL,
  4605. mii_control);
  4606. } else { /* AN mode */
  4607. /* Enable and restart AN */
  4608. bnx2x_restart_autoneg(phy, params, 0);
  4609. }
  4610. }
  4611. /* Link management
  4612. */
  4613. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4614. struct link_params *params)
  4615. {
  4616. struct bnx2x *bp = params->bp;
  4617. u16 pd_10g, status2_1000x;
  4618. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4619. return 0;
  4620. CL22_RD_OVER_CL45(bp, phy,
  4621. MDIO_REG_BANK_SERDES_DIGITAL,
  4622. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4623. &status2_1000x);
  4624. CL22_RD_OVER_CL45(bp, phy,
  4625. MDIO_REG_BANK_SERDES_DIGITAL,
  4626. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4627. &status2_1000x);
  4628. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4629. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4630. params->port);
  4631. return 1;
  4632. }
  4633. CL22_RD_OVER_CL45(bp, phy,
  4634. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4635. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4636. &pd_10g);
  4637. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4638. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4639. params->port);
  4640. return 1;
  4641. }
  4642. return 0;
  4643. }
  4644. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4645. struct link_params *params,
  4646. struct link_vars *vars,
  4647. u32 gp_status)
  4648. {
  4649. u16 ld_pause; /* local driver */
  4650. u16 lp_pause; /* link partner */
  4651. u16 pause_result;
  4652. struct bnx2x *bp = params->bp;
  4653. if ((gp_status &
  4654. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4655. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4656. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4657. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4658. CL22_RD_OVER_CL45(bp, phy,
  4659. MDIO_REG_BANK_CL73_IEEEB1,
  4660. MDIO_CL73_IEEEB1_AN_ADV1,
  4661. &ld_pause);
  4662. CL22_RD_OVER_CL45(bp, phy,
  4663. MDIO_REG_BANK_CL73_IEEEB1,
  4664. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4665. &lp_pause);
  4666. pause_result = (ld_pause &
  4667. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4668. pause_result |= (lp_pause &
  4669. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4670. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4671. } else {
  4672. CL22_RD_OVER_CL45(bp, phy,
  4673. MDIO_REG_BANK_COMBO_IEEE0,
  4674. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4675. &ld_pause);
  4676. CL22_RD_OVER_CL45(bp, phy,
  4677. MDIO_REG_BANK_COMBO_IEEE0,
  4678. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4679. &lp_pause);
  4680. pause_result = (ld_pause &
  4681. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4682. pause_result |= (lp_pause &
  4683. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4684. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4685. }
  4686. bnx2x_pause_resolve(vars, pause_result);
  4687. }
  4688. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4689. struct link_params *params,
  4690. struct link_vars *vars,
  4691. u32 gp_status)
  4692. {
  4693. struct bnx2x *bp = params->bp;
  4694. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4695. /* Resolve from gp_status in case of AN complete and not sgmii */
  4696. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4697. /* Update the advertised flow-controled of LD/LP in AN */
  4698. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4699. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4700. /* But set the flow-control result as the requested one */
  4701. vars->flow_ctrl = phy->req_flow_ctrl;
  4702. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4703. vars->flow_ctrl = params->req_fc_auto_adv;
  4704. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4705. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4706. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4707. vars->flow_ctrl = params->req_fc_auto_adv;
  4708. return;
  4709. }
  4710. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4711. }
  4712. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4713. }
  4714. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4715. struct link_params *params)
  4716. {
  4717. struct bnx2x *bp = params->bp;
  4718. u16 rx_status, ustat_val, cl37_fsm_received;
  4719. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4720. /* Step 1: Make sure signal is detected */
  4721. CL22_RD_OVER_CL45(bp, phy,
  4722. MDIO_REG_BANK_RX0,
  4723. MDIO_RX0_RX_STATUS,
  4724. &rx_status);
  4725. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4726. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4727. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4728. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4729. CL22_WR_OVER_CL45(bp, phy,
  4730. MDIO_REG_BANK_CL73_IEEEB0,
  4731. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4732. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4733. return;
  4734. }
  4735. /* Step 2: Check CL73 state machine */
  4736. CL22_RD_OVER_CL45(bp, phy,
  4737. MDIO_REG_BANK_CL73_USERB0,
  4738. MDIO_CL73_USERB0_CL73_USTAT1,
  4739. &ustat_val);
  4740. if ((ustat_val &
  4741. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4742. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4743. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4744. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4745. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4746. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4747. return;
  4748. }
  4749. /* Step 3: Check CL37 Message Pages received to indicate LP
  4750. * supports only CL37
  4751. */
  4752. CL22_RD_OVER_CL45(bp, phy,
  4753. MDIO_REG_BANK_REMOTE_PHY,
  4754. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4755. &cl37_fsm_received);
  4756. if ((cl37_fsm_received &
  4757. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4758. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4759. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4760. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4761. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4762. "misc_rx_status(0x8330) = 0x%x\n",
  4763. cl37_fsm_received);
  4764. return;
  4765. }
  4766. /* The combined cl37/cl73 fsm state information indicating that
  4767. * we are connected to a device which does not support cl73, but
  4768. * does support cl37 BAM. In this case we disable cl73 and
  4769. * restart cl37 auto-neg
  4770. */
  4771. /* Disable CL73 */
  4772. CL22_WR_OVER_CL45(bp, phy,
  4773. MDIO_REG_BANK_CL73_IEEEB0,
  4774. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4775. 0);
  4776. /* Restart CL37 autoneg */
  4777. bnx2x_restart_autoneg(phy, params, 0);
  4778. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4779. }
  4780. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4781. struct link_params *params,
  4782. struct link_vars *vars,
  4783. u32 gp_status)
  4784. {
  4785. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4786. vars->link_status |=
  4787. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4788. if (bnx2x_direct_parallel_detect_used(phy, params))
  4789. vars->link_status |=
  4790. LINK_STATUS_PARALLEL_DETECTION_USED;
  4791. }
  4792. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4793. struct link_params *params,
  4794. struct link_vars *vars,
  4795. u16 is_link_up,
  4796. u16 speed_mask,
  4797. u16 is_duplex)
  4798. {
  4799. struct bnx2x *bp = params->bp;
  4800. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4801. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4802. if (is_link_up) {
  4803. DP(NETIF_MSG_LINK, "phy link up\n");
  4804. vars->phy_link_up = 1;
  4805. vars->link_status |= LINK_STATUS_LINK_UP;
  4806. switch (speed_mask) {
  4807. case GP_STATUS_10M:
  4808. vars->line_speed = SPEED_10;
  4809. if (is_duplex == DUPLEX_FULL)
  4810. vars->link_status |= LINK_10TFD;
  4811. else
  4812. vars->link_status |= LINK_10THD;
  4813. break;
  4814. case GP_STATUS_100M:
  4815. vars->line_speed = SPEED_100;
  4816. if (is_duplex == DUPLEX_FULL)
  4817. vars->link_status |= LINK_100TXFD;
  4818. else
  4819. vars->link_status |= LINK_100TXHD;
  4820. break;
  4821. case GP_STATUS_1G:
  4822. case GP_STATUS_1G_KX:
  4823. vars->line_speed = SPEED_1000;
  4824. if (is_duplex == DUPLEX_FULL)
  4825. vars->link_status |= LINK_1000TFD;
  4826. else
  4827. vars->link_status |= LINK_1000THD;
  4828. break;
  4829. case GP_STATUS_2_5G:
  4830. vars->line_speed = SPEED_2500;
  4831. if (is_duplex == DUPLEX_FULL)
  4832. vars->link_status |= LINK_2500TFD;
  4833. else
  4834. vars->link_status |= LINK_2500THD;
  4835. break;
  4836. case GP_STATUS_5G:
  4837. case GP_STATUS_6G:
  4838. DP(NETIF_MSG_LINK,
  4839. "link speed unsupported gp_status 0x%x\n",
  4840. speed_mask);
  4841. return -EINVAL;
  4842. case GP_STATUS_10G_KX4:
  4843. case GP_STATUS_10G_HIG:
  4844. case GP_STATUS_10G_CX4:
  4845. case GP_STATUS_10G_KR:
  4846. case GP_STATUS_10G_SFI:
  4847. case GP_STATUS_10G_XFI:
  4848. vars->line_speed = SPEED_10000;
  4849. vars->link_status |= LINK_10GTFD;
  4850. break;
  4851. case GP_STATUS_20G_DXGXS:
  4852. case GP_STATUS_20G_KR2:
  4853. vars->line_speed = SPEED_20000;
  4854. vars->link_status |= LINK_20GTFD;
  4855. break;
  4856. default:
  4857. DP(NETIF_MSG_LINK,
  4858. "link speed unsupported gp_status 0x%x\n",
  4859. speed_mask);
  4860. return -EINVAL;
  4861. }
  4862. } else { /* link_down */
  4863. DP(NETIF_MSG_LINK, "phy link down\n");
  4864. vars->phy_link_up = 0;
  4865. vars->duplex = DUPLEX_FULL;
  4866. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4867. vars->mac_type = MAC_TYPE_NONE;
  4868. }
  4869. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4870. vars->phy_link_up, vars->line_speed);
  4871. return 0;
  4872. }
  4873. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4874. struct link_params *params,
  4875. struct link_vars *vars)
  4876. {
  4877. struct bnx2x *bp = params->bp;
  4878. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4879. int rc = 0;
  4880. /* Read gp_status */
  4881. CL22_RD_OVER_CL45(bp, phy,
  4882. MDIO_REG_BANK_GP_STATUS,
  4883. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4884. &gp_status);
  4885. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4886. duplex = DUPLEX_FULL;
  4887. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4888. link_up = 1;
  4889. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4890. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4891. gp_status, link_up, speed_mask);
  4892. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4893. duplex);
  4894. if (rc == -EINVAL)
  4895. return rc;
  4896. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4897. if (SINGLE_MEDIA_DIRECT(params)) {
  4898. vars->duplex = duplex;
  4899. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4900. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4901. bnx2x_xgxs_an_resolve(phy, params, vars,
  4902. gp_status);
  4903. }
  4904. } else { /* Link_down */
  4905. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4906. SINGLE_MEDIA_DIRECT(params)) {
  4907. /* Check signal is detected */
  4908. bnx2x_check_fallback_to_cl37(phy, params);
  4909. }
  4910. }
  4911. /* Read LP advertised speeds*/
  4912. if (SINGLE_MEDIA_DIRECT(params) &&
  4913. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4914. u16 val;
  4915. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4916. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4917. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4918. vars->link_status |=
  4919. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4920. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4921. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4922. vars->link_status |=
  4923. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4924. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4925. MDIO_OVER_1G_LP_UP1, &val);
  4926. if (val & MDIO_OVER_1G_UP1_2_5G)
  4927. vars->link_status |=
  4928. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4929. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4930. vars->link_status |=
  4931. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4932. }
  4933. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4934. vars->duplex, vars->flow_ctrl, vars->link_status);
  4935. return rc;
  4936. }
  4937. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4938. struct link_params *params,
  4939. struct link_vars *vars)
  4940. {
  4941. struct bnx2x *bp = params->bp;
  4942. u8 lane;
  4943. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4944. int rc = 0;
  4945. lane = bnx2x_get_warpcore_lane(phy, params);
  4946. /* Read gp_status */
  4947. if ((params->loopback_mode) &&
  4948. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4949. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4950. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4951. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4952. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4953. link_up &= 0x1;
  4954. } else if ((phy->req_line_speed > SPEED_10000) &&
  4955. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4956. u16 temp_link_up;
  4957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4958. 1, &temp_link_up);
  4959. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4960. 1, &link_up);
  4961. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4962. temp_link_up, link_up);
  4963. link_up &= (1<<2);
  4964. if (link_up)
  4965. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4966. } else {
  4967. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4968. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4969. &gp_status1);
  4970. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4971. /* Check for either KR, 1G, or AN up. */
  4972. link_up = ((gp_status1 >> 8) |
  4973. (gp_status1 >> 12) |
  4974. (gp_status1)) &
  4975. (1 << lane);
  4976. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4977. u16 an_link;
  4978. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4979. MDIO_AN_REG_STATUS, &an_link);
  4980. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4981. MDIO_AN_REG_STATUS, &an_link);
  4982. link_up |= (an_link & (1<<2));
  4983. }
  4984. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4985. u16 pd, gp_status4;
  4986. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4987. /* Check Autoneg complete */
  4988. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4989. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4990. &gp_status4);
  4991. if (gp_status4 & ((1<<12)<<lane))
  4992. vars->link_status |=
  4993. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4994. /* Check parallel detect used */
  4995. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4996. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4997. &pd);
  4998. if (pd & (1<<15))
  4999. vars->link_status |=
  5000. LINK_STATUS_PARALLEL_DETECTION_USED;
  5001. }
  5002. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5003. vars->duplex = duplex;
  5004. }
  5005. }
  5006. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5007. SINGLE_MEDIA_DIRECT(params)) {
  5008. u16 val;
  5009. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5010. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5011. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5012. vars->link_status |=
  5013. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5014. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5015. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5016. vars->link_status |=
  5017. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5018. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5019. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5020. if (val & MDIO_OVER_1G_UP1_2_5G)
  5021. vars->link_status |=
  5022. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5023. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5024. vars->link_status |=
  5025. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5026. }
  5027. if (lane < 2) {
  5028. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5029. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5030. } else {
  5031. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5032. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5033. }
  5034. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5035. if ((lane & 1) == 0)
  5036. gp_speed <<= 8;
  5037. gp_speed &= 0x3f00;
  5038. link_up = !!link_up;
  5039. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5040. duplex);
  5041. /* In case of KR link down, start up the recovering procedure */
  5042. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5043. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5044. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5045. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5046. vars->duplex, vars->flow_ctrl, vars->link_status);
  5047. return rc;
  5048. }
  5049. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5050. {
  5051. struct bnx2x *bp = params->bp;
  5052. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5053. u16 lp_up2;
  5054. u16 tx_driver;
  5055. u16 bank;
  5056. /* Read precomp */
  5057. CL22_RD_OVER_CL45(bp, phy,
  5058. MDIO_REG_BANK_OVER_1G,
  5059. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5060. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5061. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5062. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5063. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5064. if (lp_up2 == 0)
  5065. return;
  5066. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5067. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5068. CL22_RD_OVER_CL45(bp, phy,
  5069. bank,
  5070. MDIO_TX0_TX_DRIVER, &tx_driver);
  5071. /* Replace tx_driver bits [15:12] */
  5072. if (lp_up2 !=
  5073. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5074. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5075. tx_driver |= lp_up2;
  5076. CL22_WR_OVER_CL45(bp, phy,
  5077. bank,
  5078. MDIO_TX0_TX_DRIVER, tx_driver);
  5079. }
  5080. }
  5081. }
  5082. static int bnx2x_emac_program(struct link_params *params,
  5083. struct link_vars *vars)
  5084. {
  5085. struct bnx2x *bp = params->bp;
  5086. u8 port = params->port;
  5087. u16 mode = 0;
  5088. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5089. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5090. EMAC_REG_EMAC_MODE,
  5091. (EMAC_MODE_25G_MODE |
  5092. EMAC_MODE_PORT_MII_10M |
  5093. EMAC_MODE_HALF_DUPLEX));
  5094. switch (vars->line_speed) {
  5095. case SPEED_10:
  5096. mode |= EMAC_MODE_PORT_MII_10M;
  5097. break;
  5098. case SPEED_100:
  5099. mode |= EMAC_MODE_PORT_MII;
  5100. break;
  5101. case SPEED_1000:
  5102. mode |= EMAC_MODE_PORT_GMII;
  5103. break;
  5104. case SPEED_2500:
  5105. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5106. break;
  5107. default:
  5108. /* 10G not valid for EMAC */
  5109. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5110. vars->line_speed);
  5111. return -EINVAL;
  5112. }
  5113. if (vars->duplex == DUPLEX_HALF)
  5114. mode |= EMAC_MODE_HALF_DUPLEX;
  5115. bnx2x_bits_en(bp,
  5116. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5117. mode);
  5118. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5119. return 0;
  5120. }
  5121. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5122. struct link_params *params)
  5123. {
  5124. u16 bank, i = 0;
  5125. struct bnx2x *bp = params->bp;
  5126. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5127. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5128. CL22_WR_OVER_CL45(bp, phy,
  5129. bank,
  5130. MDIO_RX0_RX_EQ_BOOST,
  5131. phy->rx_preemphasis[i]);
  5132. }
  5133. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5134. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5135. CL22_WR_OVER_CL45(bp, phy,
  5136. bank,
  5137. MDIO_TX0_TX_DRIVER,
  5138. phy->tx_preemphasis[i]);
  5139. }
  5140. }
  5141. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5142. struct link_params *params,
  5143. struct link_vars *vars)
  5144. {
  5145. struct bnx2x *bp = params->bp;
  5146. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5147. (params->loopback_mode == LOOPBACK_XGXS));
  5148. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5149. if (SINGLE_MEDIA_DIRECT(params) &&
  5150. (params->feature_config_flags &
  5151. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5152. bnx2x_set_preemphasis(phy, params);
  5153. /* Forced speed requested? */
  5154. if (vars->line_speed != SPEED_AUTO_NEG ||
  5155. (SINGLE_MEDIA_DIRECT(params) &&
  5156. params->loopback_mode == LOOPBACK_EXT)) {
  5157. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5158. /* Disable autoneg */
  5159. bnx2x_set_autoneg(phy, params, vars, 0);
  5160. /* Program speed and duplex */
  5161. bnx2x_program_serdes(phy, params, vars);
  5162. } else { /* AN_mode */
  5163. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5164. /* AN enabled */
  5165. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5166. /* Program duplex & pause advertisement (for aneg) */
  5167. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5168. vars->ieee_fc);
  5169. /* Enable autoneg */
  5170. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5171. /* Enable and restart AN */
  5172. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5173. }
  5174. } else { /* SGMII mode */
  5175. DP(NETIF_MSG_LINK, "SGMII\n");
  5176. bnx2x_initialize_sgmii_process(phy, params, vars);
  5177. }
  5178. }
  5179. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5180. struct link_params *params,
  5181. struct link_vars *vars)
  5182. {
  5183. int rc;
  5184. vars->phy_flags |= PHY_XGXS_FLAG;
  5185. if ((phy->req_line_speed &&
  5186. ((phy->req_line_speed == SPEED_100) ||
  5187. (phy->req_line_speed == SPEED_10))) ||
  5188. (!phy->req_line_speed &&
  5189. (phy->speed_cap_mask >=
  5190. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5191. (phy->speed_cap_mask <
  5192. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5193. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5194. vars->phy_flags |= PHY_SGMII_FLAG;
  5195. else
  5196. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5197. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5198. bnx2x_set_aer_mmd(params, phy);
  5199. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5200. bnx2x_set_master_ln(params, phy);
  5201. rc = bnx2x_reset_unicore(params, phy, 0);
  5202. /* Reset the SerDes and wait for reset bit return low */
  5203. if (rc)
  5204. return rc;
  5205. bnx2x_set_aer_mmd(params, phy);
  5206. /* Setting the masterLn_def again after the reset */
  5207. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5208. bnx2x_set_master_ln(params, phy);
  5209. bnx2x_set_swap_lanes(params, phy);
  5210. }
  5211. return rc;
  5212. }
  5213. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5214. struct bnx2x_phy *phy,
  5215. struct link_params *params)
  5216. {
  5217. u16 cnt, ctrl;
  5218. /* Wait for soft reset to get cleared up to 1 sec */
  5219. for (cnt = 0; cnt < 1000; cnt++) {
  5220. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5221. bnx2x_cl22_read(bp, phy,
  5222. MDIO_PMA_REG_CTRL, &ctrl);
  5223. else
  5224. bnx2x_cl45_read(bp, phy,
  5225. MDIO_PMA_DEVAD,
  5226. MDIO_PMA_REG_CTRL, &ctrl);
  5227. if (!(ctrl & (1<<15)))
  5228. break;
  5229. usleep_range(1000, 2000);
  5230. }
  5231. if (cnt == 1000)
  5232. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5233. " Port %d\n",
  5234. params->port);
  5235. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5236. return cnt;
  5237. }
  5238. static void bnx2x_link_int_enable(struct link_params *params)
  5239. {
  5240. u8 port = params->port;
  5241. u32 mask;
  5242. struct bnx2x *bp = params->bp;
  5243. /* Setting the status to report on link up for either XGXS or SerDes */
  5244. if (CHIP_IS_E3(bp)) {
  5245. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5246. if (!(SINGLE_MEDIA_DIRECT(params)))
  5247. mask |= NIG_MASK_MI_INT;
  5248. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5249. mask = (NIG_MASK_XGXS0_LINK10G |
  5250. NIG_MASK_XGXS0_LINK_STATUS);
  5251. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5252. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5253. params->phy[INT_PHY].type !=
  5254. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5255. mask |= NIG_MASK_MI_INT;
  5256. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5257. }
  5258. } else { /* SerDes */
  5259. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5260. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5261. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5262. params->phy[INT_PHY].type !=
  5263. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5264. mask |= NIG_MASK_MI_INT;
  5265. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5266. }
  5267. }
  5268. bnx2x_bits_en(bp,
  5269. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5270. mask);
  5271. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5272. (params->switch_cfg == SWITCH_CFG_10G),
  5273. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5274. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5275. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5276. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5277. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5278. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5279. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5280. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5281. }
  5282. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5283. u8 exp_mi_int)
  5284. {
  5285. u32 latch_status = 0;
  5286. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5287. * status register. Link down indication is high-active-signal,
  5288. * so in this case we need to write the status to clear the XOR
  5289. */
  5290. /* Read Latched signals */
  5291. latch_status = REG_RD(bp,
  5292. NIG_REG_LATCH_STATUS_0 + port*8);
  5293. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5294. /* Handle only those with latched-signal=up.*/
  5295. if (exp_mi_int)
  5296. bnx2x_bits_en(bp,
  5297. NIG_REG_STATUS_INTERRUPT_PORT0
  5298. + port*4,
  5299. NIG_STATUS_EMAC0_MI_INT);
  5300. else
  5301. bnx2x_bits_dis(bp,
  5302. NIG_REG_STATUS_INTERRUPT_PORT0
  5303. + port*4,
  5304. NIG_STATUS_EMAC0_MI_INT);
  5305. if (latch_status & 1) {
  5306. /* For all latched-signal=up : Re-Arm Latch signals */
  5307. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5308. (latch_status & 0xfffe) | (latch_status & 1));
  5309. }
  5310. /* For all latched-signal=up,Write original_signal to status */
  5311. }
  5312. static void bnx2x_link_int_ack(struct link_params *params,
  5313. struct link_vars *vars, u8 is_10g_plus)
  5314. {
  5315. struct bnx2x *bp = params->bp;
  5316. u8 port = params->port;
  5317. u32 mask;
  5318. /* First reset all status we assume only one line will be
  5319. * change at a time
  5320. */
  5321. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5322. (NIG_STATUS_XGXS0_LINK10G |
  5323. NIG_STATUS_XGXS0_LINK_STATUS |
  5324. NIG_STATUS_SERDES0_LINK_STATUS));
  5325. if (vars->phy_link_up) {
  5326. if (USES_WARPCORE(bp))
  5327. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5328. else {
  5329. if (is_10g_plus)
  5330. mask = NIG_STATUS_XGXS0_LINK10G;
  5331. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5332. /* Disable the link interrupt by writing 1 to
  5333. * the relevant lane in the status register
  5334. */
  5335. u32 ser_lane =
  5336. ((params->lane_config &
  5337. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5338. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5339. mask = ((1 << ser_lane) <<
  5340. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5341. } else
  5342. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5343. }
  5344. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5345. mask);
  5346. bnx2x_bits_en(bp,
  5347. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5348. mask);
  5349. }
  5350. }
  5351. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5352. {
  5353. u8 *str_ptr = str;
  5354. u32 mask = 0xf0000000;
  5355. u8 shift = 8*4;
  5356. u8 digit;
  5357. u8 remove_leading_zeros = 1;
  5358. if (*len < 10) {
  5359. /* Need more than 10chars for this format */
  5360. *str_ptr = '\0';
  5361. (*len)--;
  5362. return -EINVAL;
  5363. }
  5364. while (shift > 0) {
  5365. shift -= 4;
  5366. digit = ((num & mask) >> shift);
  5367. if (digit == 0 && remove_leading_zeros) {
  5368. mask = mask >> 4;
  5369. continue;
  5370. } else if (digit < 0xa)
  5371. *str_ptr = digit + '0';
  5372. else
  5373. *str_ptr = digit - 0xa + 'a';
  5374. remove_leading_zeros = 0;
  5375. str_ptr++;
  5376. (*len)--;
  5377. mask = mask >> 4;
  5378. if (shift == 4*4) {
  5379. *str_ptr = '.';
  5380. str_ptr++;
  5381. (*len)--;
  5382. remove_leading_zeros = 1;
  5383. }
  5384. }
  5385. return 0;
  5386. }
  5387. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5388. {
  5389. str[0] = '\0';
  5390. (*len)--;
  5391. return 0;
  5392. }
  5393. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5394. u16 len)
  5395. {
  5396. struct bnx2x *bp;
  5397. u32 spirom_ver = 0;
  5398. int status = 0;
  5399. u8 *ver_p = version;
  5400. u16 remain_len = len;
  5401. if (version == NULL || params == NULL)
  5402. return -EINVAL;
  5403. bp = params->bp;
  5404. /* Extract first external phy*/
  5405. version[0] = '\0';
  5406. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5407. if (params->phy[EXT_PHY1].format_fw_ver) {
  5408. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5409. ver_p,
  5410. &remain_len);
  5411. ver_p += (len - remain_len);
  5412. }
  5413. if ((params->num_phys == MAX_PHYS) &&
  5414. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5415. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5416. if (params->phy[EXT_PHY2].format_fw_ver) {
  5417. *ver_p = '/';
  5418. ver_p++;
  5419. remain_len--;
  5420. status |= params->phy[EXT_PHY2].format_fw_ver(
  5421. spirom_ver,
  5422. ver_p,
  5423. &remain_len);
  5424. ver_p = version + (len - remain_len);
  5425. }
  5426. }
  5427. *ver_p = '\0';
  5428. return status;
  5429. }
  5430. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5431. struct link_params *params)
  5432. {
  5433. u8 port = params->port;
  5434. struct bnx2x *bp = params->bp;
  5435. if (phy->req_line_speed != SPEED_1000) {
  5436. u32 md_devad = 0;
  5437. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5438. if (!CHIP_IS_E3(bp)) {
  5439. /* Change the uni_phy_addr in the nig */
  5440. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5441. port*0x18));
  5442. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5443. 0x5);
  5444. }
  5445. bnx2x_cl45_write(bp, phy,
  5446. 5,
  5447. (MDIO_REG_BANK_AER_BLOCK +
  5448. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5449. 0x2800);
  5450. bnx2x_cl45_write(bp, phy,
  5451. 5,
  5452. (MDIO_REG_BANK_CL73_IEEEB0 +
  5453. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5454. 0x6041);
  5455. msleep(200);
  5456. /* Set aer mmd back */
  5457. bnx2x_set_aer_mmd(params, phy);
  5458. if (!CHIP_IS_E3(bp)) {
  5459. /* And md_devad */
  5460. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5461. md_devad);
  5462. }
  5463. } else {
  5464. u16 mii_ctrl;
  5465. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5466. bnx2x_cl45_read(bp, phy, 5,
  5467. (MDIO_REG_BANK_COMBO_IEEE0 +
  5468. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5469. &mii_ctrl);
  5470. bnx2x_cl45_write(bp, phy, 5,
  5471. (MDIO_REG_BANK_COMBO_IEEE0 +
  5472. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5473. mii_ctrl |
  5474. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5475. }
  5476. }
  5477. int bnx2x_set_led(struct link_params *params,
  5478. struct link_vars *vars, u8 mode, u32 speed)
  5479. {
  5480. u8 port = params->port;
  5481. u16 hw_led_mode = params->hw_led_mode;
  5482. int rc = 0;
  5483. u8 phy_idx;
  5484. u32 tmp;
  5485. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5486. struct bnx2x *bp = params->bp;
  5487. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5488. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5489. speed, hw_led_mode);
  5490. /* In case */
  5491. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5492. if (params->phy[phy_idx].set_link_led) {
  5493. params->phy[phy_idx].set_link_led(
  5494. &params->phy[phy_idx], params, mode);
  5495. }
  5496. }
  5497. switch (mode) {
  5498. case LED_MODE_FRONT_PANEL_OFF:
  5499. case LED_MODE_OFF:
  5500. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5501. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5502. SHARED_HW_CFG_LED_MAC1);
  5503. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5504. if (params->phy[EXT_PHY1].type ==
  5505. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5506. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5507. EMAC_LED_100MB_OVERRIDE |
  5508. EMAC_LED_10MB_OVERRIDE);
  5509. else
  5510. tmp |= EMAC_LED_OVERRIDE;
  5511. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5512. break;
  5513. case LED_MODE_OPER:
  5514. /* For all other phys, OPER mode is same as ON, so in case
  5515. * link is down, do nothing
  5516. */
  5517. if (!vars->link_up)
  5518. break;
  5519. case LED_MODE_ON:
  5520. if (((params->phy[EXT_PHY1].type ==
  5521. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5522. (params->phy[EXT_PHY1].type ==
  5523. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5524. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5525. /* This is a work-around for E2+8727 Configurations */
  5526. if (mode == LED_MODE_ON ||
  5527. speed == SPEED_10000){
  5528. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5529. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5530. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5531. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5532. (tmp | EMAC_LED_OVERRIDE));
  5533. /* Return here without enabling traffic
  5534. * LED blink and setting rate in ON mode.
  5535. * In oper mode, enabling LED blink
  5536. * and setting rate is needed.
  5537. */
  5538. if (mode == LED_MODE_ON)
  5539. return rc;
  5540. }
  5541. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5542. /* This is a work-around for HW issue found when link
  5543. * is up in CL73
  5544. */
  5545. if ((!CHIP_IS_E3(bp)) ||
  5546. (CHIP_IS_E3(bp) &&
  5547. mode == LED_MODE_ON))
  5548. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5549. if (CHIP_IS_E1x(bp) ||
  5550. CHIP_IS_E2(bp) ||
  5551. (mode == LED_MODE_ON))
  5552. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5553. else
  5554. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5555. hw_led_mode);
  5556. } else if ((params->phy[EXT_PHY1].type ==
  5557. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5558. (mode == LED_MODE_ON)) {
  5559. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5560. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5561. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5562. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5563. /* Break here; otherwise, it'll disable the
  5564. * intended override.
  5565. */
  5566. break;
  5567. } else {
  5568. u32 nig_led_mode = ((params->hw_led_mode <<
  5569. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5570. SHARED_HW_CFG_LED_EXTPHY2) ?
  5571. (SHARED_HW_CFG_LED_PHY1 >>
  5572. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5573. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5574. nig_led_mode);
  5575. }
  5576. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5577. /* Set blinking rate to ~15.9Hz */
  5578. if (CHIP_IS_E3(bp))
  5579. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5580. LED_BLINK_RATE_VAL_E3);
  5581. else
  5582. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5583. LED_BLINK_RATE_VAL_E1X_E2);
  5584. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5585. port*4, 1);
  5586. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5587. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5588. (tmp & (~EMAC_LED_OVERRIDE)));
  5589. if (CHIP_IS_E1(bp) &&
  5590. ((speed == SPEED_2500) ||
  5591. (speed == SPEED_1000) ||
  5592. (speed == SPEED_100) ||
  5593. (speed == SPEED_10))) {
  5594. /* For speeds less than 10G LED scheme is different */
  5595. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5596. + port*4, 1);
  5597. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5598. port*4, 0);
  5599. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5600. port*4, 1);
  5601. }
  5602. break;
  5603. default:
  5604. rc = -EINVAL;
  5605. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5606. mode);
  5607. break;
  5608. }
  5609. return rc;
  5610. }
  5611. /* This function comes to reflect the actual link state read DIRECTLY from the
  5612. * HW
  5613. */
  5614. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5615. u8 is_serdes)
  5616. {
  5617. struct bnx2x *bp = params->bp;
  5618. u16 gp_status = 0, phy_index = 0;
  5619. u8 ext_phy_link_up = 0, serdes_phy_type;
  5620. struct link_vars temp_vars;
  5621. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5622. if (CHIP_IS_E3(bp)) {
  5623. u16 link_up;
  5624. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5625. > SPEED_10000) {
  5626. /* Check 20G link */
  5627. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5628. 1, &link_up);
  5629. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5630. 1, &link_up);
  5631. link_up &= (1<<2);
  5632. } else {
  5633. /* Check 10G link and below*/
  5634. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5635. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5636. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5637. &gp_status);
  5638. gp_status = ((gp_status >> 8) & 0xf) |
  5639. ((gp_status >> 12) & 0xf);
  5640. link_up = gp_status & (1 << lane);
  5641. }
  5642. if (!link_up)
  5643. return -ESRCH;
  5644. } else {
  5645. CL22_RD_OVER_CL45(bp, int_phy,
  5646. MDIO_REG_BANK_GP_STATUS,
  5647. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5648. &gp_status);
  5649. /* Link is up only if both local phy and external phy are up */
  5650. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5651. return -ESRCH;
  5652. }
  5653. /* In XGXS loopback mode, do not check external PHY */
  5654. if (params->loopback_mode == LOOPBACK_XGXS)
  5655. return 0;
  5656. switch (params->num_phys) {
  5657. case 1:
  5658. /* No external PHY */
  5659. return 0;
  5660. case 2:
  5661. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5662. &params->phy[EXT_PHY1],
  5663. params, &temp_vars);
  5664. break;
  5665. case 3: /* Dual Media */
  5666. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5667. phy_index++) {
  5668. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5669. ETH_PHY_SFPP_10G_FIBER) ||
  5670. (params->phy[phy_index].media_type ==
  5671. ETH_PHY_SFP_1G_FIBER) ||
  5672. (params->phy[phy_index].media_type ==
  5673. ETH_PHY_XFP_FIBER) ||
  5674. (params->phy[phy_index].media_type ==
  5675. ETH_PHY_DA_TWINAX));
  5676. if (is_serdes != serdes_phy_type)
  5677. continue;
  5678. if (params->phy[phy_index].read_status) {
  5679. ext_phy_link_up |=
  5680. params->phy[phy_index].read_status(
  5681. &params->phy[phy_index],
  5682. params, &temp_vars);
  5683. }
  5684. }
  5685. break;
  5686. }
  5687. if (ext_phy_link_up)
  5688. return 0;
  5689. return -ESRCH;
  5690. }
  5691. static int bnx2x_link_initialize(struct link_params *params,
  5692. struct link_vars *vars)
  5693. {
  5694. u8 phy_index, non_ext_phy;
  5695. struct bnx2x *bp = params->bp;
  5696. /* In case of external phy existence, the line speed would be the
  5697. * line speed linked up by the external phy. In case it is direct
  5698. * only, then the line_speed during initialization will be
  5699. * equal to the req_line_speed
  5700. */
  5701. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5702. /* Initialize the internal phy in case this is a direct board
  5703. * (no external phys), or this board has external phy which requires
  5704. * to first.
  5705. */
  5706. if (!USES_WARPCORE(bp))
  5707. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5708. /* init ext phy and enable link state int */
  5709. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5710. (params->loopback_mode == LOOPBACK_XGXS));
  5711. if (non_ext_phy ||
  5712. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5713. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5714. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5715. if (vars->line_speed == SPEED_AUTO_NEG &&
  5716. (CHIP_IS_E1x(bp) ||
  5717. CHIP_IS_E2(bp)))
  5718. bnx2x_set_parallel_detection(phy, params);
  5719. if (params->phy[INT_PHY].config_init)
  5720. params->phy[INT_PHY].config_init(phy, params, vars);
  5721. }
  5722. /* Re-read this value in case it was changed inside config_init due to
  5723. * limitations of optic module
  5724. */
  5725. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5726. /* Init external phy*/
  5727. if (non_ext_phy) {
  5728. if (params->phy[INT_PHY].supported &
  5729. SUPPORTED_FIBRE)
  5730. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5731. } else {
  5732. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5733. phy_index++) {
  5734. /* No need to initialize second phy in case of first
  5735. * phy only selection. In case of second phy, we do
  5736. * need to initialize the first phy, since they are
  5737. * connected.
  5738. */
  5739. if (params->phy[phy_index].supported &
  5740. SUPPORTED_FIBRE)
  5741. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5742. if (phy_index == EXT_PHY2 &&
  5743. (bnx2x_phy_selection(params) ==
  5744. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5745. DP(NETIF_MSG_LINK,
  5746. "Not initializing second phy\n");
  5747. continue;
  5748. }
  5749. params->phy[phy_index].config_init(
  5750. &params->phy[phy_index],
  5751. params, vars);
  5752. }
  5753. }
  5754. /* Reset the interrupt indication after phy was initialized */
  5755. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5756. params->port*4,
  5757. (NIG_STATUS_XGXS0_LINK10G |
  5758. NIG_STATUS_XGXS0_LINK_STATUS |
  5759. NIG_STATUS_SERDES0_LINK_STATUS |
  5760. NIG_MASK_MI_INT));
  5761. return 0;
  5762. }
  5763. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5764. struct link_params *params)
  5765. {
  5766. /* Reset the SerDes/XGXS */
  5767. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5768. (0x1ff << (params->port*16)));
  5769. }
  5770. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5771. struct link_params *params)
  5772. {
  5773. struct bnx2x *bp = params->bp;
  5774. u8 gpio_port;
  5775. /* HW reset */
  5776. if (CHIP_IS_E2(bp))
  5777. gpio_port = BP_PATH(bp);
  5778. else
  5779. gpio_port = params->port;
  5780. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5781. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5782. gpio_port);
  5783. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5784. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5785. gpio_port);
  5786. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5787. }
  5788. static int bnx2x_update_link_down(struct link_params *params,
  5789. struct link_vars *vars)
  5790. {
  5791. struct bnx2x *bp = params->bp;
  5792. u8 port = params->port;
  5793. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5794. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5795. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5796. /* Indicate no mac active */
  5797. vars->mac_type = MAC_TYPE_NONE;
  5798. /* Update shared memory */
  5799. vars->link_status &= ~LINK_UPDATE_MASK;
  5800. vars->line_speed = 0;
  5801. bnx2x_update_mng(params, vars->link_status);
  5802. /* Activate nig drain */
  5803. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5804. /* Disable emac */
  5805. if (!CHIP_IS_E3(bp))
  5806. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5807. usleep_range(10000, 20000);
  5808. /* Reset BigMac/Xmac */
  5809. if (CHIP_IS_E1x(bp) ||
  5810. CHIP_IS_E2(bp))
  5811. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5812. if (CHIP_IS_E3(bp)) {
  5813. /* Prevent LPI Generation by chip */
  5814. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5815. 0);
  5816. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5817. 0);
  5818. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5819. SHMEM_EEE_ACTIVE_BIT);
  5820. bnx2x_update_mng_eee(params, vars->eee_status);
  5821. bnx2x_set_xmac_rxtx(params, 0);
  5822. bnx2x_set_umac_rxtx(params, 0);
  5823. }
  5824. return 0;
  5825. }
  5826. static int bnx2x_update_link_up(struct link_params *params,
  5827. struct link_vars *vars,
  5828. u8 link_10g)
  5829. {
  5830. struct bnx2x *bp = params->bp;
  5831. u8 phy_idx, port = params->port;
  5832. int rc = 0;
  5833. vars->link_status |= (LINK_STATUS_LINK_UP |
  5834. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5835. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5836. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5837. vars->link_status |=
  5838. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5839. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5840. vars->link_status |=
  5841. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5842. if (USES_WARPCORE(bp)) {
  5843. if (link_10g) {
  5844. if (bnx2x_xmac_enable(params, vars, 0) ==
  5845. -ESRCH) {
  5846. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5847. vars->link_up = 0;
  5848. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5849. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5850. }
  5851. } else
  5852. bnx2x_umac_enable(params, vars, 0);
  5853. bnx2x_set_led(params, vars,
  5854. LED_MODE_OPER, vars->line_speed);
  5855. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5856. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5857. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5858. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5859. (params->port << 2), 1);
  5860. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5861. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5862. (params->port << 2), 0xfc20);
  5863. }
  5864. }
  5865. if ((CHIP_IS_E1x(bp) ||
  5866. CHIP_IS_E2(bp))) {
  5867. if (link_10g) {
  5868. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5869. -ESRCH) {
  5870. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5871. vars->link_up = 0;
  5872. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5873. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5874. }
  5875. bnx2x_set_led(params, vars,
  5876. LED_MODE_OPER, SPEED_10000);
  5877. } else {
  5878. rc = bnx2x_emac_program(params, vars);
  5879. bnx2x_emac_enable(params, vars, 0);
  5880. /* AN complete? */
  5881. if ((vars->link_status &
  5882. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5883. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5884. SINGLE_MEDIA_DIRECT(params))
  5885. bnx2x_set_gmii_tx_driver(params);
  5886. }
  5887. }
  5888. /* PBF - link up */
  5889. if (CHIP_IS_E1x(bp))
  5890. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5891. vars->line_speed);
  5892. /* Disable drain */
  5893. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5894. /* Update shared memory */
  5895. bnx2x_update_mng(params, vars->link_status);
  5896. bnx2x_update_mng_eee(params, vars->eee_status);
  5897. /* Check remote fault */
  5898. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5899. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5900. bnx2x_check_half_open_conn(params, vars, 0);
  5901. break;
  5902. }
  5903. }
  5904. msleep(20);
  5905. return rc;
  5906. }
  5907. /* The bnx2x_link_update function should be called upon link
  5908. * interrupt.
  5909. * Link is considered up as follows:
  5910. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5911. * to be up
  5912. * - SINGLE_MEDIA - The link between the 577xx and the external
  5913. * phy (XGXS) need to up as well as the external link of the
  5914. * phy (PHY_EXT1)
  5915. * - DUAL_MEDIA - The link between the 577xx and the first
  5916. * external phy needs to be up, and at least one of the 2
  5917. * external phy link must be up.
  5918. */
  5919. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5920. {
  5921. struct bnx2x *bp = params->bp;
  5922. struct link_vars phy_vars[MAX_PHYS];
  5923. u8 port = params->port;
  5924. u8 link_10g_plus, phy_index;
  5925. u8 ext_phy_link_up = 0, cur_link_up;
  5926. int rc = 0;
  5927. u8 is_mi_int = 0;
  5928. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5929. u8 active_external_phy = INT_PHY;
  5930. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5931. vars->link_status &= ~LINK_UPDATE_MASK;
  5932. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5933. phy_index++) {
  5934. phy_vars[phy_index].flow_ctrl = 0;
  5935. phy_vars[phy_index].link_status = 0;
  5936. phy_vars[phy_index].line_speed = 0;
  5937. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5938. phy_vars[phy_index].phy_link_up = 0;
  5939. phy_vars[phy_index].link_up = 0;
  5940. phy_vars[phy_index].fault_detected = 0;
  5941. /* different consideration, since vars holds inner state */
  5942. phy_vars[phy_index].eee_status = vars->eee_status;
  5943. }
  5944. if (USES_WARPCORE(bp))
  5945. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5946. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5947. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5948. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5949. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5950. port*0x18) > 0);
  5951. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5952. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5953. is_mi_int,
  5954. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5955. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5956. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5957. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5958. /* Disable emac */
  5959. if (!CHIP_IS_E3(bp))
  5960. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5961. /* Step 1:
  5962. * Check external link change only for external phys, and apply
  5963. * priority selection between them in case the link on both phys
  5964. * is up. Note that instead of the common vars, a temporary
  5965. * vars argument is used since each phy may have different link/
  5966. * speed/duplex result
  5967. */
  5968. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5969. phy_index++) {
  5970. struct bnx2x_phy *phy = &params->phy[phy_index];
  5971. if (!phy->read_status)
  5972. continue;
  5973. /* Read link status and params of this ext phy */
  5974. cur_link_up = phy->read_status(phy, params,
  5975. &phy_vars[phy_index]);
  5976. if (cur_link_up) {
  5977. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5978. phy_index);
  5979. } else {
  5980. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5981. phy_index);
  5982. continue;
  5983. }
  5984. if (!ext_phy_link_up) {
  5985. ext_phy_link_up = 1;
  5986. active_external_phy = phy_index;
  5987. } else {
  5988. switch (bnx2x_phy_selection(params)) {
  5989. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5990. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5991. /* In this option, the first PHY makes sure to pass the
  5992. * traffic through itself only.
  5993. * Its not clear how to reset the link on the second phy
  5994. */
  5995. active_external_phy = EXT_PHY1;
  5996. break;
  5997. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5998. /* In this option, the first PHY makes sure to pass the
  5999. * traffic through the second PHY.
  6000. */
  6001. active_external_phy = EXT_PHY2;
  6002. break;
  6003. default:
  6004. /* Link indication on both PHYs with the following cases
  6005. * is invalid:
  6006. * - FIRST_PHY means that second phy wasn't initialized,
  6007. * hence its link is expected to be down
  6008. * - SECOND_PHY means that first phy should not be able
  6009. * to link up by itself (using configuration)
  6010. * - DEFAULT should be overriden during initialiazation
  6011. */
  6012. DP(NETIF_MSG_LINK, "Invalid link indication"
  6013. "mpc=0x%x. DISABLING LINK !!!\n",
  6014. params->multi_phy_config);
  6015. ext_phy_link_up = 0;
  6016. break;
  6017. }
  6018. }
  6019. }
  6020. prev_line_speed = vars->line_speed;
  6021. /* Step 2:
  6022. * Read the status of the internal phy. In case of
  6023. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6024. * otherwise this is the link between the 577xx and the first
  6025. * external phy
  6026. */
  6027. if (params->phy[INT_PHY].read_status)
  6028. params->phy[INT_PHY].read_status(
  6029. &params->phy[INT_PHY],
  6030. params, vars);
  6031. /* The INT_PHY flow control reside in the vars. This include the
  6032. * case where the speed or flow control are not set to AUTO.
  6033. * Otherwise, the active external phy flow control result is set
  6034. * to the vars. The ext_phy_line_speed is needed to check if the
  6035. * speed is different between the internal phy and external phy.
  6036. * This case may be result of intermediate link speed change.
  6037. */
  6038. if (active_external_phy > INT_PHY) {
  6039. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6040. /* Link speed is taken from the XGXS. AN and FC result from
  6041. * the external phy.
  6042. */
  6043. vars->link_status |= phy_vars[active_external_phy].link_status;
  6044. /* if active_external_phy is first PHY and link is up - disable
  6045. * disable TX on second external PHY
  6046. */
  6047. if (active_external_phy == EXT_PHY1) {
  6048. if (params->phy[EXT_PHY2].phy_specific_func) {
  6049. DP(NETIF_MSG_LINK,
  6050. "Disabling TX on EXT_PHY2\n");
  6051. params->phy[EXT_PHY2].phy_specific_func(
  6052. &params->phy[EXT_PHY2],
  6053. params, DISABLE_TX);
  6054. }
  6055. }
  6056. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6057. vars->duplex = phy_vars[active_external_phy].duplex;
  6058. if (params->phy[active_external_phy].supported &
  6059. SUPPORTED_FIBRE)
  6060. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6061. else
  6062. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6063. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6064. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6065. active_external_phy);
  6066. }
  6067. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6068. phy_index++) {
  6069. if (params->phy[phy_index].flags &
  6070. FLAGS_REARM_LATCH_SIGNAL) {
  6071. bnx2x_rearm_latch_signal(bp, port,
  6072. phy_index ==
  6073. active_external_phy);
  6074. break;
  6075. }
  6076. }
  6077. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6078. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6079. vars->link_status, ext_phy_line_speed);
  6080. /* Upon link speed change set the NIG into drain mode. Comes to
  6081. * deals with possible FIFO glitch due to clk change when speed
  6082. * is decreased without link down indicator
  6083. */
  6084. if (vars->phy_link_up) {
  6085. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6086. (ext_phy_line_speed != vars->line_speed)) {
  6087. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6088. " different than the external"
  6089. " link speed %d\n", vars->line_speed,
  6090. ext_phy_line_speed);
  6091. vars->phy_link_up = 0;
  6092. } else if (prev_line_speed != vars->line_speed) {
  6093. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6094. 0);
  6095. usleep_range(1000, 2000);
  6096. }
  6097. }
  6098. /* Anything 10 and over uses the bmac */
  6099. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6100. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6101. /* In case external phy link is up, and internal link is down
  6102. * (not initialized yet probably after link initialization, it
  6103. * needs to be initialized.
  6104. * Note that after link down-up as result of cable plug, the xgxs
  6105. * link would probably become up again without the need
  6106. * initialize it
  6107. */
  6108. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6109. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6110. " init_preceding = %d\n", ext_phy_link_up,
  6111. vars->phy_link_up,
  6112. params->phy[EXT_PHY1].flags &
  6113. FLAGS_INIT_XGXS_FIRST);
  6114. if (!(params->phy[EXT_PHY1].flags &
  6115. FLAGS_INIT_XGXS_FIRST)
  6116. && ext_phy_link_up && !vars->phy_link_up) {
  6117. vars->line_speed = ext_phy_line_speed;
  6118. if (vars->line_speed < SPEED_1000)
  6119. vars->phy_flags |= PHY_SGMII_FLAG;
  6120. else
  6121. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6122. if (params->phy[INT_PHY].config_init)
  6123. params->phy[INT_PHY].config_init(
  6124. &params->phy[INT_PHY], params,
  6125. vars);
  6126. }
  6127. }
  6128. /* Link is up only if both local phy and external phy (in case of
  6129. * non-direct board) are up and no fault detected on active PHY.
  6130. */
  6131. vars->link_up = (vars->phy_link_up &&
  6132. (ext_phy_link_up ||
  6133. SINGLE_MEDIA_DIRECT(params)) &&
  6134. (phy_vars[active_external_phy].fault_detected == 0));
  6135. /* Update the PFC configuration in case it was changed */
  6136. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6137. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6138. else
  6139. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6140. if (vars->link_up)
  6141. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6142. else
  6143. rc = bnx2x_update_link_down(params, vars);
  6144. /* Update MCP link status was changed */
  6145. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6146. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6147. return rc;
  6148. }
  6149. /*****************************************************************************/
  6150. /* External Phy section */
  6151. /*****************************************************************************/
  6152. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6153. {
  6154. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6155. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6156. usleep_range(1000, 2000);
  6157. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6158. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6159. }
  6160. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6161. u32 spirom_ver, u32 ver_addr)
  6162. {
  6163. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6164. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6165. if (ver_addr)
  6166. REG_WR(bp, ver_addr, spirom_ver);
  6167. }
  6168. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6169. struct bnx2x_phy *phy,
  6170. u8 port)
  6171. {
  6172. u16 fw_ver1, fw_ver2;
  6173. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6174. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6175. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6176. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6177. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6178. phy->ver_addr);
  6179. }
  6180. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6181. struct bnx2x_phy *phy,
  6182. struct link_vars *vars)
  6183. {
  6184. u16 val;
  6185. bnx2x_cl45_read(bp, phy,
  6186. MDIO_AN_DEVAD,
  6187. MDIO_AN_REG_STATUS, &val);
  6188. bnx2x_cl45_read(bp, phy,
  6189. MDIO_AN_DEVAD,
  6190. MDIO_AN_REG_STATUS, &val);
  6191. if (val & (1<<5))
  6192. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6193. if ((val & (1<<0)) == 0)
  6194. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6195. }
  6196. /******************************************************************/
  6197. /* common BCM8073/BCM8727 PHY SECTION */
  6198. /******************************************************************/
  6199. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6200. struct link_params *params,
  6201. struct link_vars *vars)
  6202. {
  6203. struct bnx2x *bp = params->bp;
  6204. if (phy->req_line_speed == SPEED_10 ||
  6205. phy->req_line_speed == SPEED_100) {
  6206. vars->flow_ctrl = phy->req_flow_ctrl;
  6207. return;
  6208. }
  6209. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6210. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6211. u16 pause_result;
  6212. u16 ld_pause; /* local */
  6213. u16 lp_pause; /* link partner */
  6214. bnx2x_cl45_read(bp, phy,
  6215. MDIO_AN_DEVAD,
  6216. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6217. bnx2x_cl45_read(bp, phy,
  6218. MDIO_AN_DEVAD,
  6219. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6220. pause_result = (ld_pause &
  6221. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6222. pause_result |= (lp_pause &
  6223. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6224. bnx2x_pause_resolve(vars, pause_result);
  6225. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6226. pause_result);
  6227. }
  6228. }
  6229. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6230. struct bnx2x_phy *phy,
  6231. u8 port)
  6232. {
  6233. u32 count = 0;
  6234. u16 fw_ver1, fw_msgout;
  6235. int rc = 0;
  6236. /* Boot port from external ROM */
  6237. /* EDC grst */
  6238. bnx2x_cl45_write(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_GEN_CTRL,
  6241. 0x0001);
  6242. /* Ucode reboot and rst */
  6243. bnx2x_cl45_write(bp, phy,
  6244. MDIO_PMA_DEVAD,
  6245. MDIO_PMA_REG_GEN_CTRL,
  6246. 0x008c);
  6247. bnx2x_cl45_write(bp, phy,
  6248. MDIO_PMA_DEVAD,
  6249. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6250. /* Reset internal microprocessor */
  6251. bnx2x_cl45_write(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_GEN_CTRL,
  6254. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6255. /* Release srst bit */
  6256. bnx2x_cl45_write(bp, phy,
  6257. MDIO_PMA_DEVAD,
  6258. MDIO_PMA_REG_GEN_CTRL,
  6259. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6260. /* Delay 100ms per the PHY specifications */
  6261. msleep(100);
  6262. /* 8073 sometimes taking longer to download */
  6263. do {
  6264. count++;
  6265. if (count > 300) {
  6266. DP(NETIF_MSG_LINK,
  6267. "bnx2x_8073_8727_external_rom_boot port %x:"
  6268. "Download failed. fw version = 0x%x\n",
  6269. port, fw_ver1);
  6270. rc = -EINVAL;
  6271. break;
  6272. }
  6273. bnx2x_cl45_read(bp, phy,
  6274. MDIO_PMA_DEVAD,
  6275. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6276. bnx2x_cl45_read(bp, phy,
  6277. MDIO_PMA_DEVAD,
  6278. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6279. usleep_range(1000, 2000);
  6280. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6281. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6282. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6283. /* Clear ser_boot_ctl bit */
  6284. bnx2x_cl45_write(bp, phy,
  6285. MDIO_PMA_DEVAD,
  6286. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6287. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6288. DP(NETIF_MSG_LINK,
  6289. "bnx2x_8073_8727_external_rom_boot port %x:"
  6290. "Download complete. fw version = 0x%x\n",
  6291. port, fw_ver1);
  6292. return rc;
  6293. }
  6294. /******************************************************************/
  6295. /* BCM8073 PHY SECTION */
  6296. /******************************************************************/
  6297. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6298. {
  6299. /* This is only required for 8073A1, version 102 only */
  6300. u16 val;
  6301. /* Read 8073 HW revision*/
  6302. bnx2x_cl45_read(bp, phy,
  6303. MDIO_PMA_DEVAD,
  6304. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6305. if (val != 1) {
  6306. /* No need to workaround in 8073 A1 */
  6307. return 0;
  6308. }
  6309. bnx2x_cl45_read(bp, phy,
  6310. MDIO_PMA_DEVAD,
  6311. MDIO_PMA_REG_ROM_VER2, &val);
  6312. /* SNR should be applied only for version 0x102 */
  6313. if (val != 0x102)
  6314. return 0;
  6315. return 1;
  6316. }
  6317. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6318. {
  6319. u16 val, cnt, cnt1 ;
  6320. bnx2x_cl45_read(bp, phy,
  6321. MDIO_PMA_DEVAD,
  6322. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6323. if (val > 0) {
  6324. /* No need to workaround in 8073 A1 */
  6325. return 0;
  6326. }
  6327. /* XAUI workaround in 8073 A0: */
  6328. /* After loading the boot ROM and restarting Autoneg, poll
  6329. * Dev1, Reg $C820:
  6330. */
  6331. for (cnt = 0; cnt < 1000; cnt++) {
  6332. bnx2x_cl45_read(bp, phy,
  6333. MDIO_PMA_DEVAD,
  6334. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6335. &val);
  6336. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6337. * system initialization (XAUI work-around not required, as
  6338. * these bits indicate 2.5G or 1G link up).
  6339. */
  6340. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6341. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6342. return 0;
  6343. } else if (!(val & (1<<15))) {
  6344. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6345. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6346. * MSB (bit15) goes to 1 (indicating that the XAUI
  6347. * workaround has completed), then continue on with
  6348. * system initialization.
  6349. */
  6350. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6351. bnx2x_cl45_read(bp, phy,
  6352. MDIO_PMA_DEVAD,
  6353. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6354. if (val & (1<<15)) {
  6355. DP(NETIF_MSG_LINK,
  6356. "XAUI workaround has completed\n");
  6357. return 0;
  6358. }
  6359. usleep_range(3000, 6000);
  6360. }
  6361. break;
  6362. }
  6363. usleep_range(3000, 6000);
  6364. }
  6365. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6366. return -EINVAL;
  6367. }
  6368. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6369. {
  6370. /* Force KR or KX */
  6371. bnx2x_cl45_write(bp, phy,
  6372. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6373. bnx2x_cl45_write(bp, phy,
  6374. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6375. bnx2x_cl45_write(bp, phy,
  6376. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6377. bnx2x_cl45_write(bp, phy,
  6378. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6379. }
  6380. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6381. struct bnx2x_phy *phy,
  6382. struct link_vars *vars)
  6383. {
  6384. u16 cl37_val;
  6385. struct bnx2x *bp = params->bp;
  6386. bnx2x_cl45_read(bp, phy,
  6387. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6388. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6389. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6390. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6391. if ((vars->ieee_fc &
  6392. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6393. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6394. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6395. }
  6396. if ((vars->ieee_fc &
  6397. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6398. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6399. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6400. }
  6401. if ((vars->ieee_fc &
  6402. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6403. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6404. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6405. }
  6406. DP(NETIF_MSG_LINK,
  6407. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6408. bnx2x_cl45_write(bp, phy,
  6409. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6410. msleep(500);
  6411. }
  6412. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6413. struct link_params *params,
  6414. u32 action)
  6415. {
  6416. struct bnx2x *bp = params->bp;
  6417. switch (action) {
  6418. case PHY_INIT:
  6419. /* Enable LASI */
  6420. bnx2x_cl45_write(bp, phy,
  6421. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6422. bnx2x_cl45_write(bp, phy,
  6423. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6424. break;
  6425. }
  6426. }
  6427. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6428. struct link_params *params,
  6429. struct link_vars *vars)
  6430. {
  6431. struct bnx2x *bp = params->bp;
  6432. u16 val = 0, tmp1;
  6433. u8 gpio_port;
  6434. DP(NETIF_MSG_LINK, "Init 8073\n");
  6435. if (CHIP_IS_E2(bp))
  6436. gpio_port = BP_PATH(bp);
  6437. else
  6438. gpio_port = params->port;
  6439. /* Restore normal power mode*/
  6440. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6441. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6442. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6443. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6444. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6445. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6446. bnx2x_cl45_read(bp, phy,
  6447. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6448. bnx2x_cl45_read(bp, phy,
  6449. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6450. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6451. /* Swap polarity if required - Must be done only in non-1G mode */
  6452. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6453. /* Configure the 8073 to swap _P and _N of the KR lines */
  6454. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6455. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6456. bnx2x_cl45_read(bp, phy,
  6457. MDIO_PMA_DEVAD,
  6458. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6459. bnx2x_cl45_write(bp, phy,
  6460. MDIO_PMA_DEVAD,
  6461. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6462. (val | (3<<9)));
  6463. }
  6464. /* Enable CL37 BAM */
  6465. if (REG_RD(bp, params->shmem_base +
  6466. offsetof(struct shmem_region, dev_info.
  6467. port_hw_config[params->port].default_cfg)) &
  6468. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6469. bnx2x_cl45_read(bp, phy,
  6470. MDIO_AN_DEVAD,
  6471. MDIO_AN_REG_8073_BAM, &val);
  6472. bnx2x_cl45_write(bp, phy,
  6473. MDIO_AN_DEVAD,
  6474. MDIO_AN_REG_8073_BAM, val | 1);
  6475. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6476. }
  6477. if (params->loopback_mode == LOOPBACK_EXT) {
  6478. bnx2x_807x_force_10G(bp, phy);
  6479. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6480. return 0;
  6481. } else {
  6482. bnx2x_cl45_write(bp, phy,
  6483. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6484. }
  6485. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6486. if (phy->req_line_speed == SPEED_10000) {
  6487. val = (1<<7);
  6488. } else if (phy->req_line_speed == SPEED_2500) {
  6489. val = (1<<5);
  6490. /* Note that 2.5G works only when used with 1G
  6491. * advertisement
  6492. */
  6493. } else
  6494. val = (1<<5);
  6495. } else {
  6496. val = 0;
  6497. if (phy->speed_cap_mask &
  6498. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6499. val |= (1<<7);
  6500. /* Note that 2.5G works only when used with 1G advertisement */
  6501. if (phy->speed_cap_mask &
  6502. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6503. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6504. val |= (1<<5);
  6505. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6506. }
  6507. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6508. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6509. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6510. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6511. (phy->req_line_speed == SPEED_2500)) {
  6512. u16 phy_ver;
  6513. /* Allow 2.5G for A1 and above */
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6516. &phy_ver);
  6517. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6518. if (phy_ver > 0)
  6519. tmp1 |= 1;
  6520. else
  6521. tmp1 &= 0xfffe;
  6522. } else {
  6523. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6524. tmp1 &= 0xfffe;
  6525. }
  6526. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6527. /* Add support for CL37 (passive mode) II */
  6528. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6529. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6530. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6531. 0x20 : 0x40)));
  6532. /* Add support for CL37 (passive mode) III */
  6533. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6534. /* The SNR will improve about 2db by changing BW and FEE main
  6535. * tap. Rest commands are executed after link is up
  6536. * Change FFE main cursor to 5 in EDC register
  6537. */
  6538. if (bnx2x_8073_is_snr_needed(bp, phy))
  6539. bnx2x_cl45_write(bp, phy,
  6540. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6541. 0xFB0C);
  6542. /* Enable FEC (Forware Error Correction) Request in the AN */
  6543. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6544. tmp1 |= (1<<15);
  6545. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6546. bnx2x_ext_phy_set_pause(params, phy, vars);
  6547. /* Restart autoneg */
  6548. msleep(500);
  6549. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6550. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6551. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6552. return 0;
  6553. }
  6554. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6555. struct link_params *params,
  6556. struct link_vars *vars)
  6557. {
  6558. struct bnx2x *bp = params->bp;
  6559. u8 link_up = 0;
  6560. u16 val1, val2;
  6561. u16 link_status = 0;
  6562. u16 an1000_status = 0;
  6563. bnx2x_cl45_read(bp, phy,
  6564. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6565. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6566. /* Clear the interrupt LASI status register */
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6569. bnx2x_cl45_read(bp, phy,
  6570. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6571. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6572. /* Clear MSG-OUT */
  6573. bnx2x_cl45_read(bp, phy,
  6574. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6575. /* Check the LASI */
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6578. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6579. /* Check the link status */
  6580. bnx2x_cl45_read(bp, phy,
  6581. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6582. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6585. bnx2x_cl45_read(bp, phy,
  6586. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6587. link_up = ((val1 & 4) == 4);
  6588. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6589. if (link_up &&
  6590. ((phy->req_line_speed != SPEED_10000))) {
  6591. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6592. return 0;
  6593. }
  6594. bnx2x_cl45_read(bp, phy,
  6595. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6596. bnx2x_cl45_read(bp, phy,
  6597. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6598. /* Check the link status on 1.1.2 */
  6599. bnx2x_cl45_read(bp, phy,
  6600. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6601. bnx2x_cl45_read(bp, phy,
  6602. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6603. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6604. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6605. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6606. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6607. /* The SNR will improve about 2dbby changing the BW and FEE main
  6608. * tap. The 1st write to change FFE main tap is set before
  6609. * restart AN. Change PLL Bandwidth in EDC register
  6610. */
  6611. bnx2x_cl45_write(bp, phy,
  6612. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6613. 0x26BC);
  6614. /* Change CDR Bandwidth in EDC register */
  6615. bnx2x_cl45_write(bp, phy,
  6616. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6617. 0x0333);
  6618. }
  6619. bnx2x_cl45_read(bp, phy,
  6620. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6621. &link_status);
  6622. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6623. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6624. link_up = 1;
  6625. vars->line_speed = SPEED_10000;
  6626. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6627. params->port);
  6628. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6629. link_up = 1;
  6630. vars->line_speed = SPEED_2500;
  6631. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6632. params->port);
  6633. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6634. link_up = 1;
  6635. vars->line_speed = SPEED_1000;
  6636. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6637. params->port);
  6638. } else {
  6639. link_up = 0;
  6640. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6641. params->port);
  6642. }
  6643. if (link_up) {
  6644. /* Swap polarity if required */
  6645. if (params->lane_config &
  6646. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6647. /* Configure the 8073 to swap P and N of the KR lines */
  6648. bnx2x_cl45_read(bp, phy,
  6649. MDIO_XS_DEVAD,
  6650. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6651. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6652. * when it`s in 10G mode.
  6653. */
  6654. if (vars->line_speed == SPEED_1000) {
  6655. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6656. "the 8073\n");
  6657. val1 |= (1<<3);
  6658. } else
  6659. val1 &= ~(1<<3);
  6660. bnx2x_cl45_write(bp, phy,
  6661. MDIO_XS_DEVAD,
  6662. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6663. val1);
  6664. }
  6665. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6666. bnx2x_8073_resolve_fc(phy, params, vars);
  6667. vars->duplex = DUPLEX_FULL;
  6668. }
  6669. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6670. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6671. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6672. if (val1 & (1<<5))
  6673. vars->link_status |=
  6674. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6675. if (val1 & (1<<7))
  6676. vars->link_status |=
  6677. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6678. }
  6679. return link_up;
  6680. }
  6681. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6682. struct link_params *params)
  6683. {
  6684. struct bnx2x *bp = params->bp;
  6685. u8 gpio_port;
  6686. if (CHIP_IS_E2(bp))
  6687. gpio_port = BP_PATH(bp);
  6688. else
  6689. gpio_port = params->port;
  6690. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6691. gpio_port);
  6692. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6693. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6694. gpio_port);
  6695. }
  6696. /******************************************************************/
  6697. /* BCM8705 PHY SECTION */
  6698. /******************************************************************/
  6699. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6700. struct link_params *params,
  6701. struct link_vars *vars)
  6702. {
  6703. struct bnx2x *bp = params->bp;
  6704. DP(NETIF_MSG_LINK, "init 8705\n");
  6705. /* Restore normal power mode*/
  6706. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6707. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6708. /* HW reset */
  6709. bnx2x_ext_phy_hw_reset(bp, params->port);
  6710. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6711. bnx2x_wait_reset_complete(bp, phy, params);
  6712. bnx2x_cl45_write(bp, phy,
  6713. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6714. bnx2x_cl45_write(bp, phy,
  6715. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6716. bnx2x_cl45_write(bp, phy,
  6717. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6718. bnx2x_cl45_write(bp, phy,
  6719. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6720. /* BCM8705 doesn't have microcode, hence the 0 */
  6721. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6722. return 0;
  6723. }
  6724. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6725. struct link_params *params,
  6726. struct link_vars *vars)
  6727. {
  6728. u8 link_up = 0;
  6729. u16 val1, rx_sd;
  6730. struct bnx2x *bp = params->bp;
  6731. DP(NETIF_MSG_LINK, "read status 8705\n");
  6732. bnx2x_cl45_read(bp, phy,
  6733. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6734. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6735. bnx2x_cl45_read(bp, phy,
  6736. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6737. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6738. bnx2x_cl45_read(bp, phy,
  6739. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6740. bnx2x_cl45_read(bp, phy,
  6741. MDIO_PMA_DEVAD, 0xc809, &val1);
  6742. bnx2x_cl45_read(bp, phy,
  6743. MDIO_PMA_DEVAD, 0xc809, &val1);
  6744. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6745. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6746. if (link_up) {
  6747. vars->line_speed = SPEED_10000;
  6748. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6749. }
  6750. return link_up;
  6751. }
  6752. /******************************************************************/
  6753. /* SFP+ module Section */
  6754. /******************************************************************/
  6755. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6756. struct bnx2x_phy *phy,
  6757. u8 pmd_dis)
  6758. {
  6759. struct bnx2x *bp = params->bp;
  6760. /* Disable transmitter only for bootcodes which can enable it afterwards
  6761. * (for D3 link)
  6762. */
  6763. if (pmd_dis) {
  6764. if (params->feature_config_flags &
  6765. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6766. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6767. else {
  6768. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6769. return;
  6770. }
  6771. } else
  6772. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6773. bnx2x_cl45_write(bp, phy,
  6774. MDIO_PMA_DEVAD,
  6775. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6776. }
  6777. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6778. {
  6779. u8 gpio_port;
  6780. u32 swap_val, swap_override;
  6781. struct bnx2x *bp = params->bp;
  6782. if (CHIP_IS_E2(bp))
  6783. gpio_port = BP_PATH(bp);
  6784. else
  6785. gpio_port = params->port;
  6786. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6787. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6788. return gpio_port ^ (swap_val && swap_override);
  6789. }
  6790. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6791. struct bnx2x_phy *phy,
  6792. u8 tx_en)
  6793. {
  6794. u16 val;
  6795. u8 port = params->port;
  6796. struct bnx2x *bp = params->bp;
  6797. u32 tx_en_mode;
  6798. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6799. tx_en_mode = REG_RD(bp, params->shmem_base +
  6800. offsetof(struct shmem_region,
  6801. dev_info.port_hw_config[port].sfp_ctrl)) &
  6802. PORT_HW_CFG_TX_LASER_MASK;
  6803. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6804. "mode = %x\n", tx_en, port, tx_en_mode);
  6805. switch (tx_en_mode) {
  6806. case PORT_HW_CFG_TX_LASER_MDIO:
  6807. bnx2x_cl45_read(bp, phy,
  6808. MDIO_PMA_DEVAD,
  6809. MDIO_PMA_REG_PHY_IDENTIFIER,
  6810. &val);
  6811. if (tx_en)
  6812. val &= ~(1<<15);
  6813. else
  6814. val |= (1<<15);
  6815. bnx2x_cl45_write(bp, phy,
  6816. MDIO_PMA_DEVAD,
  6817. MDIO_PMA_REG_PHY_IDENTIFIER,
  6818. val);
  6819. break;
  6820. case PORT_HW_CFG_TX_LASER_GPIO0:
  6821. case PORT_HW_CFG_TX_LASER_GPIO1:
  6822. case PORT_HW_CFG_TX_LASER_GPIO2:
  6823. case PORT_HW_CFG_TX_LASER_GPIO3:
  6824. {
  6825. u16 gpio_pin;
  6826. u8 gpio_port, gpio_mode;
  6827. if (tx_en)
  6828. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6829. else
  6830. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6831. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6832. gpio_port = bnx2x_get_gpio_port(params);
  6833. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6834. break;
  6835. }
  6836. default:
  6837. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6838. break;
  6839. }
  6840. }
  6841. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6842. struct bnx2x_phy *phy,
  6843. u8 tx_en)
  6844. {
  6845. struct bnx2x *bp = params->bp;
  6846. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6847. if (CHIP_IS_E3(bp))
  6848. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6849. else
  6850. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6851. }
  6852. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6853. struct link_params *params,
  6854. u8 dev_addr, u16 addr, u8 byte_cnt,
  6855. u8 *o_buf, u8 is_init)
  6856. {
  6857. struct bnx2x *bp = params->bp;
  6858. u16 val = 0;
  6859. u16 i;
  6860. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6861. DP(NETIF_MSG_LINK,
  6862. "Reading from eeprom is limited to 0xf\n");
  6863. return -EINVAL;
  6864. }
  6865. /* Set the read command byte count */
  6866. bnx2x_cl45_write(bp, phy,
  6867. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6868. (byte_cnt | (dev_addr << 8)));
  6869. /* Set the read command address */
  6870. bnx2x_cl45_write(bp, phy,
  6871. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6872. addr);
  6873. /* Activate read command */
  6874. bnx2x_cl45_write(bp, phy,
  6875. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6876. 0x2c0f);
  6877. /* Wait up to 500us for command complete status */
  6878. for (i = 0; i < 100; i++) {
  6879. bnx2x_cl45_read(bp, phy,
  6880. MDIO_PMA_DEVAD,
  6881. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6882. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6883. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6884. break;
  6885. udelay(5);
  6886. }
  6887. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6888. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6889. DP(NETIF_MSG_LINK,
  6890. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6891. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6892. return -EINVAL;
  6893. }
  6894. /* Read the buffer */
  6895. for (i = 0; i < byte_cnt; i++) {
  6896. bnx2x_cl45_read(bp, phy,
  6897. MDIO_PMA_DEVAD,
  6898. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6899. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6900. }
  6901. for (i = 0; i < 100; i++) {
  6902. bnx2x_cl45_read(bp, phy,
  6903. MDIO_PMA_DEVAD,
  6904. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6905. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6906. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6907. return 0;
  6908. usleep_range(1000, 2000);
  6909. }
  6910. return -EINVAL;
  6911. }
  6912. static void bnx2x_warpcore_power_module(struct link_params *params,
  6913. u8 power)
  6914. {
  6915. u32 pin_cfg;
  6916. struct bnx2x *bp = params->bp;
  6917. pin_cfg = (REG_RD(bp, params->shmem_base +
  6918. offsetof(struct shmem_region,
  6919. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6920. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6921. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6922. if (pin_cfg == PIN_CFG_NA)
  6923. return;
  6924. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6925. power, pin_cfg);
  6926. /* Low ==> corresponding SFP+ module is powered
  6927. * high ==> the SFP+ module is powered down
  6928. */
  6929. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6930. }
  6931. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6932. struct link_params *params,
  6933. u8 dev_addr,
  6934. u16 addr, u8 byte_cnt,
  6935. u8 *o_buf, u8 is_init)
  6936. {
  6937. int rc = 0;
  6938. u8 i, j = 0, cnt = 0;
  6939. u32 data_array[4];
  6940. u16 addr32;
  6941. struct bnx2x *bp = params->bp;
  6942. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6943. DP(NETIF_MSG_LINK,
  6944. "Reading from eeprom is limited to 16 bytes\n");
  6945. return -EINVAL;
  6946. }
  6947. /* 4 byte aligned address */
  6948. addr32 = addr & (~0x3);
  6949. do {
  6950. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6951. bnx2x_warpcore_power_module(params, 0);
  6952. /* Note that 100us are not enough here */
  6953. usleep_range(1000, 2000);
  6954. bnx2x_warpcore_power_module(params, 1);
  6955. }
  6956. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  6957. data_array);
  6958. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6959. if (rc == 0) {
  6960. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6961. o_buf[j] = *((u8 *)data_array + i);
  6962. j++;
  6963. }
  6964. }
  6965. return rc;
  6966. }
  6967. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6968. struct link_params *params,
  6969. u8 dev_addr, u16 addr, u8 byte_cnt,
  6970. u8 *o_buf, u8 is_init)
  6971. {
  6972. struct bnx2x *bp = params->bp;
  6973. u16 val, i;
  6974. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6975. DP(NETIF_MSG_LINK,
  6976. "Reading from eeprom is limited to 0xf\n");
  6977. return -EINVAL;
  6978. }
  6979. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6980. * to 100Khz since some DACs(direct attached cables) do
  6981. * not work at 400Khz.
  6982. */
  6983. bnx2x_cl45_write(bp, phy,
  6984. MDIO_PMA_DEVAD,
  6985. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6986. ((dev_addr << 8) | 1));
  6987. /* Need to read from 1.8000 to clear it */
  6988. bnx2x_cl45_read(bp, phy,
  6989. MDIO_PMA_DEVAD,
  6990. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6991. &val);
  6992. /* Set the read command byte count */
  6993. bnx2x_cl45_write(bp, phy,
  6994. MDIO_PMA_DEVAD,
  6995. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6996. ((byte_cnt < 2) ? 2 : byte_cnt));
  6997. /* Set the read command address */
  6998. bnx2x_cl45_write(bp, phy,
  6999. MDIO_PMA_DEVAD,
  7000. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7001. addr);
  7002. /* Set the destination address */
  7003. bnx2x_cl45_write(bp, phy,
  7004. MDIO_PMA_DEVAD,
  7005. 0x8004,
  7006. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7007. /* Activate read command */
  7008. bnx2x_cl45_write(bp, phy,
  7009. MDIO_PMA_DEVAD,
  7010. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7011. 0x8002);
  7012. /* Wait appropriate time for two-wire command to finish before
  7013. * polling the status register
  7014. */
  7015. usleep_range(1000, 2000);
  7016. /* Wait up to 500us for command complete status */
  7017. for (i = 0; i < 100; i++) {
  7018. bnx2x_cl45_read(bp, phy,
  7019. MDIO_PMA_DEVAD,
  7020. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7021. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7022. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7023. break;
  7024. udelay(5);
  7025. }
  7026. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7027. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7028. DP(NETIF_MSG_LINK,
  7029. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7030. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7031. return -EFAULT;
  7032. }
  7033. /* Read the buffer */
  7034. for (i = 0; i < byte_cnt; i++) {
  7035. bnx2x_cl45_read(bp, phy,
  7036. MDIO_PMA_DEVAD,
  7037. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7038. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7039. }
  7040. for (i = 0; i < 100; i++) {
  7041. bnx2x_cl45_read(bp, phy,
  7042. MDIO_PMA_DEVAD,
  7043. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7044. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7045. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7046. return 0;
  7047. usleep_range(1000, 2000);
  7048. }
  7049. return -EINVAL;
  7050. }
  7051. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7052. struct link_params *params, u8 dev_addr,
  7053. u16 addr, u16 byte_cnt, u8 *o_buf)
  7054. {
  7055. int rc = 0;
  7056. struct bnx2x *bp = params->bp;
  7057. u8 xfer_size;
  7058. u8 *user_data = o_buf;
  7059. read_sfp_module_eeprom_func_p read_func;
  7060. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7061. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7062. return -EINVAL;
  7063. }
  7064. switch (phy->type) {
  7065. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7066. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7067. break;
  7068. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7069. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7070. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7071. break;
  7072. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7073. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7074. break;
  7075. default:
  7076. return -EOPNOTSUPP;
  7077. }
  7078. while (!rc && (byte_cnt > 0)) {
  7079. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7080. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7081. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7082. user_data, 0);
  7083. byte_cnt -= xfer_size;
  7084. user_data += xfer_size;
  7085. addr += xfer_size;
  7086. }
  7087. return rc;
  7088. }
  7089. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7090. struct link_params *params,
  7091. u16 *edc_mode)
  7092. {
  7093. struct bnx2x *bp = params->bp;
  7094. u32 sync_offset = 0, phy_idx, media_types;
  7095. u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
  7096. *edc_mode = EDC_MODE_LIMITING;
  7097. phy->media_type = ETH_PHY_UNSPECIFIED;
  7098. /* First check for copper cable */
  7099. if (bnx2x_read_sfp_module_eeprom(phy,
  7100. params,
  7101. I2C_DEV_ADDR_A0,
  7102. 0,
  7103. SFP_EEPROM_FC_TX_TECH_ADDR + 1,
  7104. (u8 *)val) != 0) {
  7105. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7106. return -EINVAL;
  7107. }
  7108. params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
  7109. params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
  7110. LINK_SFP_EEPROM_COMP_CODE_SHIFT;
  7111. bnx2x_update_link_attr(params, params->link_attr_sync);
  7112. switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
  7113. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7114. {
  7115. u8 copper_module_type;
  7116. phy->media_type = ETH_PHY_DA_TWINAX;
  7117. /* Check if its active cable (includes SFP+ module)
  7118. * of passive cable
  7119. */
  7120. copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
  7121. if (copper_module_type &
  7122. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7123. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7124. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7125. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7126. else
  7127. check_limiting_mode = 1;
  7128. } else {
  7129. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7130. /* Even in case PASSIVE_DAC indication is not set,
  7131. * treat it as a passive DAC cable, since some cables
  7132. * don't have this indication.
  7133. */
  7134. if (copper_module_type &
  7135. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7136. DP(NETIF_MSG_LINK,
  7137. "Passive Copper cable detected\n");
  7138. } else {
  7139. DP(NETIF_MSG_LINK,
  7140. "Unknown copper-cable-type\n");
  7141. }
  7142. }
  7143. break;
  7144. }
  7145. case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
  7146. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7147. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7148. check_limiting_mode = 1;
  7149. if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
  7150. (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
  7151. SFP_EEPROM_10G_COMP_CODE_LR_MASK |
  7152. SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
  7153. (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
  7154. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7155. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7156. if (phy->req_line_speed != SPEED_1000) {
  7157. u8 gport = params->port;
  7158. phy->req_line_speed = SPEED_1000;
  7159. if (!CHIP_IS_E1x(bp)) {
  7160. gport = BP_PATH(bp) +
  7161. (params->port << 1);
  7162. }
  7163. netdev_err(bp->dev,
  7164. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7165. gport);
  7166. }
  7167. if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
  7168. SFP_EEPROM_1G_COMP_CODE_BASE_T) {
  7169. bnx2x_sfp_set_transmitter(params, phy, 0);
  7170. msleep(40);
  7171. bnx2x_sfp_set_transmitter(params, phy, 1);
  7172. }
  7173. } else {
  7174. int idx, cfg_idx = 0;
  7175. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7176. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7177. if (params->phy[idx].type == phy->type) {
  7178. cfg_idx = LINK_CONFIG_IDX(idx);
  7179. break;
  7180. }
  7181. }
  7182. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7183. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7184. }
  7185. break;
  7186. default:
  7187. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7188. val[SFP_EEPROM_CON_TYPE_ADDR]);
  7189. return -EINVAL;
  7190. }
  7191. sync_offset = params->shmem_base +
  7192. offsetof(struct shmem_region,
  7193. dev_info.port_hw_config[params->port].media_type);
  7194. media_types = REG_RD(bp, sync_offset);
  7195. /* Update media type for non-PMF sync */
  7196. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7197. if (&(params->phy[phy_idx]) == phy) {
  7198. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7199. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7200. media_types |= ((phy->media_type &
  7201. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7202. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7203. break;
  7204. }
  7205. }
  7206. REG_WR(bp, sync_offset, media_types);
  7207. if (check_limiting_mode) {
  7208. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7209. if (bnx2x_read_sfp_module_eeprom(phy,
  7210. params,
  7211. I2C_DEV_ADDR_A0,
  7212. SFP_EEPROM_OPTIONS_ADDR,
  7213. SFP_EEPROM_OPTIONS_SIZE,
  7214. options) != 0) {
  7215. DP(NETIF_MSG_LINK,
  7216. "Failed to read Option field from module EEPROM\n");
  7217. return -EINVAL;
  7218. }
  7219. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7220. *edc_mode = EDC_MODE_LINEAR;
  7221. else
  7222. *edc_mode = EDC_MODE_LIMITING;
  7223. }
  7224. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7225. return 0;
  7226. }
  7227. /* This function read the relevant field from the module (SFP+), and verify it
  7228. * is compliant with this board
  7229. */
  7230. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7231. struct link_params *params)
  7232. {
  7233. struct bnx2x *bp = params->bp;
  7234. u32 val, cmd;
  7235. u32 fw_resp, fw_cmd_param;
  7236. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7237. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7238. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7239. val = REG_RD(bp, params->shmem_base +
  7240. offsetof(struct shmem_region, dev_info.
  7241. port_feature_config[params->port].config));
  7242. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7243. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7244. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7245. return 0;
  7246. }
  7247. if (params->feature_config_flags &
  7248. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7249. /* Use specific phy request */
  7250. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7251. } else if (params->feature_config_flags &
  7252. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7253. /* Use first phy request only in case of non-dual media*/
  7254. if (DUAL_MEDIA(params)) {
  7255. DP(NETIF_MSG_LINK,
  7256. "FW does not support OPT MDL verification\n");
  7257. return -EINVAL;
  7258. }
  7259. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7260. } else {
  7261. /* No support in OPT MDL detection */
  7262. DP(NETIF_MSG_LINK,
  7263. "FW does not support OPT MDL verification\n");
  7264. return -EINVAL;
  7265. }
  7266. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7267. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7268. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7269. DP(NETIF_MSG_LINK, "Approved module\n");
  7270. return 0;
  7271. }
  7272. /* Format the warning message */
  7273. if (bnx2x_read_sfp_module_eeprom(phy,
  7274. params,
  7275. I2C_DEV_ADDR_A0,
  7276. SFP_EEPROM_VENDOR_NAME_ADDR,
  7277. SFP_EEPROM_VENDOR_NAME_SIZE,
  7278. (u8 *)vendor_name))
  7279. vendor_name[0] = '\0';
  7280. else
  7281. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7282. if (bnx2x_read_sfp_module_eeprom(phy,
  7283. params,
  7284. I2C_DEV_ADDR_A0,
  7285. SFP_EEPROM_PART_NO_ADDR,
  7286. SFP_EEPROM_PART_NO_SIZE,
  7287. (u8 *)vendor_pn))
  7288. vendor_pn[0] = '\0';
  7289. else
  7290. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7291. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7292. " Port %d from %s part number %s\n",
  7293. params->port, vendor_name, vendor_pn);
  7294. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7295. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7296. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7297. return -EINVAL;
  7298. }
  7299. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7300. struct link_params *params)
  7301. {
  7302. u8 val;
  7303. int rc;
  7304. struct bnx2x *bp = params->bp;
  7305. u16 timeout;
  7306. /* Initialization time after hot-plug may take up to 300ms for
  7307. * some phys type ( e.g. JDSU )
  7308. */
  7309. for (timeout = 0; timeout < 60; timeout++) {
  7310. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7311. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7312. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7313. 1);
  7314. else
  7315. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7316. I2C_DEV_ADDR_A0,
  7317. 1, 1, &val);
  7318. if (rc == 0) {
  7319. DP(NETIF_MSG_LINK,
  7320. "SFP+ module initialization took %d ms\n",
  7321. timeout * 5);
  7322. return 0;
  7323. }
  7324. usleep_range(5000, 10000);
  7325. }
  7326. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7327. 1, 1, &val);
  7328. return rc;
  7329. }
  7330. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7331. struct bnx2x_phy *phy,
  7332. u8 is_power_up) {
  7333. /* Make sure GPIOs are not using for LED mode */
  7334. u16 val;
  7335. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7336. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7337. * output
  7338. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7339. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7340. * where the 1st bit is the over-current(only input), and 2nd bit is
  7341. * for power( only output )
  7342. *
  7343. * In case of NOC feature is disabled and power is up, set GPIO control
  7344. * as input to enable listening of over-current indication
  7345. */
  7346. if (phy->flags & FLAGS_NOC)
  7347. return;
  7348. if (is_power_up)
  7349. val = (1<<4);
  7350. else
  7351. /* Set GPIO control to OUTPUT, and set the power bit
  7352. * to according to the is_power_up
  7353. */
  7354. val = (1<<1);
  7355. bnx2x_cl45_write(bp, phy,
  7356. MDIO_PMA_DEVAD,
  7357. MDIO_PMA_REG_8727_GPIO_CTRL,
  7358. val);
  7359. }
  7360. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7361. struct bnx2x_phy *phy,
  7362. u16 edc_mode)
  7363. {
  7364. u16 cur_limiting_mode;
  7365. bnx2x_cl45_read(bp, phy,
  7366. MDIO_PMA_DEVAD,
  7367. MDIO_PMA_REG_ROM_VER2,
  7368. &cur_limiting_mode);
  7369. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7370. cur_limiting_mode);
  7371. if (edc_mode == EDC_MODE_LIMITING) {
  7372. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7373. bnx2x_cl45_write(bp, phy,
  7374. MDIO_PMA_DEVAD,
  7375. MDIO_PMA_REG_ROM_VER2,
  7376. EDC_MODE_LIMITING);
  7377. } else { /* LRM mode ( default )*/
  7378. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7379. /* Changing to LRM mode takes quite few seconds. So do it only
  7380. * if current mode is limiting (default is LRM)
  7381. */
  7382. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7383. return 0;
  7384. bnx2x_cl45_write(bp, phy,
  7385. MDIO_PMA_DEVAD,
  7386. MDIO_PMA_REG_LRM_MODE,
  7387. 0);
  7388. bnx2x_cl45_write(bp, phy,
  7389. MDIO_PMA_DEVAD,
  7390. MDIO_PMA_REG_ROM_VER2,
  7391. 0x128);
  7392. bnx2x_cl45_write(bp, phy,
  7393. MDIO_PMA_DEVAD,
  7394. MDIO_PMA_REG_MISC_CTRL0,
  7395. 0x4008);
  7396. bnx2x_cl45_write(bp, phy,
  7397. MDIO_PMA_DEVAD,
  7398. MDIO_PMA_REG_LRM_MODE,
  7399. 0xaaaa);
  7400. }
  7401. return 0;
  7402. }
  7403. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7404. struct bnx2x_phy *phy,
  7405. u16 edc_mode)
  7406. {
  7407. u16 phy_identifier;
  7408. u16 rom_ver2_val;
  7409. bnx2x_cl45_read(bp, phy,
  7410. MDIO_PMA_DEVAD,
  7411. MDIO_PMA_REG_PHY_IDENTIFIER,
  7412. &phy_identifier);
  7413. bnx2x_cl45_write(bp, phy,
  7414. MDIO_PMA_DEVAD,
  7415. MDIO_PMA_REG_PHY_IDENTIFIER,
  7416. (phy_identifier & ~(1<<9)));
  7417. bnx2x_cl45_read(bp, phy,
  7418. MDIO_PMA_DEVAD,
  7419. MDIO_PMA_REG_ROM_VER2,
  7420. &rom_ver2_val);
  7421. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7422. bnx2x_cl45_write(bp, phy,
  7423. MDIO_PMA_DEVAD,
  7424. MDIO_PMA_REG_ROM_VER2,
  7425. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7426. bnx2x_cl45_write(bp, phy,
  7427. MDIO_PMA_DEVAD,
  7428. MDIO_PMA_REG_PHY_IDENTIFIER,
  7429. (phy_identifier | (1<<9)));
  7430. return 0;
  7431. }
  7432. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7433. struct link_params *params,
  7434. u32 action)
  7435. {
  7436. struct bnx2x *bp = params->bp;
  7437. u16 val;
  7438. switch (action) {
  7439. case DISABLE_TX:
  7440. bnx2x_sfp_set_transmitter(params, phy, 0);
  7441. break;
  7442. case ENABLE_TX:
  7443. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7444. bnx2x_sfp_set_transmitter(params, phy, 1);
  7445. break;
  7446. case PHY_INIT:
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7449. (1<<2) | (1<<5));
  7450. bnx2x_cl45_write(bp, phy,
  7451. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7452. 0);
  7453. bnx2x_cl45_write(bp, phy,
  7454. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7455. /* Make MOD_ABS give interrupt on change */
  7456. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7457. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7458. &val);
  7459. val |= (1<<12);
  7460. if (phy->flags & FLAGS_NOC)
  7461. val |= (3<<5);
  7462. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7463. * status which reflect SFP+ module over-current
  7464. */
  7465. if (!(phy->flags & FLAGS_NOC))
  7466. val &= 0xff8f; /* Reset bits 4-6 */
  7467. bnx2x_cl45_write(bp, phy,
  7468. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7469. val);
  7470. break;
  7471. default:
  7472. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7473. action);
  7474. return;
  7475. }
  7476. }
  7477. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7478. u8 gpio_mode)
  7479. {
  7480. struct bnx2x *bp = params->bp;
  7481. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7482. offsetof(struct shmem_region,
  7483. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7484. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7485. switch (fault_led_gpio) {
  7486. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7487. return;
  7488. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7489. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7490. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7491. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7492. {
  7493. u8 gpio_port = bnx2x_get_gpio_port(params);
  7494. u16 gpio_pin = fault_led_gpio -
  7495. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7496. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7497. "pin %x port %x mode %x\n",
  7498. gpio_pin, gpio_port, gpio_mode);
  7499. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7500. }
  7501. break;
  7502. default:
  7503. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7504. fault_led_gpio);
  7505. }
  7506. }
  7507. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7508. u8 gpio_mode)
  7509. {
  7510. u32 pin_cfg;
  7511. u8 port = params->port;
  7512. struct bnx2x *bp = params->bp;
  7513. pin_cfg = (REG_RD(bp, params->shmem_base +
  7514. offsetof(struct shmem_region,
  7515. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7516. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7517. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7518. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7519. gpio_mode, pin_cfg);
  7520. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7521. }
  7522. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7523. u8 gpio_mode)
  7524. {
  7525. struct bnx2x *bp = params->bp;
  7526. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7527. if (CHIP_IS_E3(bp)) {
  7528. /* Low ==> if SFP+ module is supported otherwise
  7529. * High ==> if SFP+ module is not on the approved vendor list
  7530. */
  7531. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7532. } else
  7533. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7534. }
  7535. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7536. struct link_params *params)
  7537. {
  7538. struct bnx2x *bp = params->bp;
  7539. bnx2x_warpcore_power_module(params, 0);
  7540. /* Put Warpcore in low power mode */
  7541. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7542. /* Put LCPLL in low power mode */
  7543. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7544. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7545. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7546. }
  7547. static void bnx2x_power_sfp_module(struct link_params *params,
  7548. struct bnx2x_phy *phy,
  7549. u8 power)
  7550. {
  7551. struct bnx2x *bp = params->bp;
  7552. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7553. switch (phy->type) {
  7554. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7555. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7556. bnx2x_8727_power_module(params->bp, phy, power);
  7557. break;
  7558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7559. bnx2x_warpcore_power_module(params, power);
  7560. break;
  7561. default:
  7562. break;
  7563. }
  7564. }
  7565. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7566. struct bnx2x_phy *phy,
  7567. u16 edc_mode)
  7568. {
  7569. u16 val = 0;
  7570. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7571. struct bnx2x *bp = params->bp;
  7572. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7573. /* This is a global register which controls all lanes */
  7574. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7575. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7576. val &= ~(0xf << (lane << 2));
  7577. switch (edc_mode) {
  7578. case EDC_MODE_LINEAR:
  7579. case EDC_MODE_LIMITING:
  7580. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7581. break;
  7582. case EDC_MODE_PASSIVE_DAC:
  7583. case EDC_MODE_ACTIVE_DAC:
  7584. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7585. break;
  7586. default:
  7587. break;
  7588. }
  7589. val |= (mode << (lane << 2));
  7590. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7591. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7592. /* A must read */
  7593. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7594. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7595. /* Restart microcode to re-read the new mode */
  7596. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7597. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7598. }
  7599. static void bnx2x_set_limiting_mode(struct link_params *params,
  7600. struct bnx2x_phy *phy,
  7601. u16 edc_mode)
  7602. {
  7603. switch (phy->type) {
  7604. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7605. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7606. break;
  7607. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7608. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7609. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7610. break;
  7611. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7612. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7613. break;
  7614. }
  7615. }
  7616. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7617. struct link_params *params)
  7618. {
  7619. struct bnx2x *bp = params->bp;
  7620. u16 edc_mode;
  7621. int rc = 0;
  7622. u32 val = REG_RD(bp, params->shmem_base +
  7623. offsetof(struct shmem_region, dev_info.
  7624. port_feature_config[params->port].config));
  7625. /* Enabled transmitter by default */
  7626. bnx2x_sfp_set_transmitter(params, phy, 1);
  7627. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7628. params->port);
  7629. /* Power up module */
  7630. bnx2x_power_sfp_module(params, phy, 1);
  7631. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7632. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7633. return -EINVAL;
  7634. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7635. /* Check SFP+ module compatibility */
  7636. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7637. rc = -EINVAL;
  7638. /* Turn on fault module-detected led */
  7639. bnx2x_set_sfp_module_fault_led(params,
  7640. MISC_REGISTERS_GPIO_HIGH);
  7641. /* Check if need to power down the SFP+ module */
  7642. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7643. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7644. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7645. bnx2x_power_sfp_module(params, phy, 0);
  7646. return rc;
  7647. }
  7648. } else {
  7649. /* Turn off fault module-detected led */
  7650. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7651. }
  7652. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7653. * is done automatically
  7654. */
  7655. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7656. /* Disable transmit for this module if the module is not approved, and
  7657. * laser needs to be disabled.
  7658. */
  7659. if ((rc) &&
  7660. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7661. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7662. bnx2x_sfp_set_transmitter(params, phy, 0);
  7663. return rc;
  7664. }
  7665. void bnx2x_handle_module_detect_int(struct link_params *params)
  7666. {
  7667. struct bnx2x *bp = params->bp;
  7668. struct bnx2x_phy *phy;
  7669. u32 gpio_val;
  7670. u8 gpio_num, gpio_port;
  7671. if (CHIP_IS_E3(bp)) {
  7672. phy = &params->phy[INT_PHY];
  7673. /* Always enable TX laser,will be disabled in case of fault */
  7674. bnx2x_sfp_set_transmitter(params, phy, 1);
  7675. } else {
  7676. phy = &params->phy[EXT_PHY1];
  7677. }
  7678. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7679. params->port, &gpio_num, &gpio_port) ==
  7680. -EINVAL) {
  7681. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7682. return;
  7683. }
  7684. /* Set valid module led off */
  7685. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7686. /* Get current gpio val reflecting module plugged in / out*/
  7687. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7688. /* Call the handling function in case module is detected */
  7689. if (gpio_val == 0) {
  7690. bnx2x_set_mdio_emac_per_phy(bp, params);
  7691. bnx2x_set_aer_mmd(params, phy);
  7692. bnx2x_power_sfp_module(params, phy, 1);
  7693. bnx2x_set_gpio_int(bp, gpio_num,
  7694. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7695. gpio_port);
  7696. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7697. bnx2x_sfp_module_detection(phy, params);
  7698. if (CHIP_IS_E3(bp)) {
  7699. u16 rx_tx_in_reset;
  7700. /* In case WC is out of reset, reconfigure the
  7701. * link speed while taking into account 1G
  7702. * module limitation.
  7703. */
  7704. bnx2x_cl45_read(bp, phy,
  7705. MDIO_WC_DEVAD,
  7706. MDIO_WC_REG_DIGITAL5_MISC6,
  7707. &rx_tx_in_reset);
  7708. if ((!rx_tx_in_reset) &&
  7709. (params->link_flags &
  7710. PHY_INITIALIZED)) {
  7711. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7712. bnx2x_warpcore_config_sfi(phy, params);
  7713. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7714. }
  7715. }
  7716. } else {
  7717. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7718. }
  7719. } else {
  7720. bnx2x_set_gpio_int(bp, gpio_num,
  7721. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7722. gpio_port);
  7723. /* Module was plugged out.
  7724. * Disable transmit for this module
  7725. */
  7726. phy->media_type = ETH_PHY_NOT_PRESENT;
  7727. }
  7728. }
  7729. /******************************************************************/
  7730. /* Used by 8706 and 8727 */
  7731. /******************************************************************/
  7732. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7733. struct bnx2x_phy *phy,
  7734. u16 alarm_status_offset,
  7735. u16 alarm_ctrl_offset)
  7736. {
  7737. u16 alarm_status, val;
  7738. bnx2x_cl45_read(bp, phy,
  7739. MDIO_PMA_DEVAD, alarm_status_offset,
  7740. &alarm_status);
  7741. bnx2x_cl45_read(bp, phy,
  7742. MDIO_PMA_DEVAD, alarm_status_offset,
  7743. &alarm_status);
  7744. /* Mask or enable the fault event. */
  7745. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7746. if (alarm_status & (1<<0))
  7747. val &= ~(1<<0);
  7748. else
  7749. val |= (1<<0);
  7750. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7751. }
  7752. /******************************************************************/
  7753. /* common BCM8706/BCM8726 PHY SECTION */
  7754. /******************************************************************/
  7755. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7756. struct link_params *params,
  7757. struct link_vars *vars)
  7758. {
  7759. u8 link_up = 0;
  7760. u16 val1, val2, rx_sd, pcs_status;
  7761. struct bnx2x *bp = params->bp;
  7762. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7763. /* Clear RX Alarm*/
  7764. bnx2x_cl45_read(bp, phy,
  7765. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7766. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7767. MDIO_PMA_LASI_TXCTRL);
  7768. /* Clear LASI indication*/
  7769. bnx2x_cl45_read(bp, phy,
  7770. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7771. bnx2x_cl45_read(bp, phy,
  7772. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7773. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7774. bnx2x_cl45_read(bp, phy,
  7775. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7776. bnx2x_cl45_read(bp, phy,
  7777. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7778. bnx2x_cl45_read(bp, phy,
  7779. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7780. bnx2x_cl45_read(bp, phy,
  7781. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7782. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7783. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7784. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7785. * are set, or if the autoneg bit 1 is set
  7786. */
  7787. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7788. if (link_up) {
  7789. if (val2 & (1<<1))
  7790. vars->line_speed = SPEED_1000;
  7791. else
  7792. vars->line_speed = SPEED_10000;
  7793. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7794. vars->duplex = DUPLEX_FULL;
  7795. }
  7796. /* Capture 10G link fault. Read twice to clear stale value. */
  7797. if (vars->line_speed == SPEED_10000) {
  7798. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7799. MDIO_PMA_LASI_TXSTAT, &val1);
  7800. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7801. MDIO_PMA_LASI_TXSTAT, &val1);
  7802. if (val1 & (1<<0))
  7803. vars->fault_detected = 1;
  7804. }
  7805. return link_up;
  7806. }
  7807. /******************************************************************/
  7808. /* BCM8706 PHY SECTION */
  7809. /******************************************************************/
  7810. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7811. struct link_params *params,
  7812. struct link_vars *vars)
  7813. {
  7814. u32 tx_en_mode;
  7815. u16 cnt, val, tmp1;
  7816. struct bnx2x *bp = params->bp;
  7817. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7818. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7819. /* HW reset */
  7820. bnx2x_ext_phy_hw_reset(bp, params->port);
  7821. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7822. bnx2x_wait_reset_complete(bp, phy, params);
  7823. /* Wait until fw is loaded */
  7824. for (cnt = 0; cnt < 100; cnt++) {
  7825. bnx2x_cl45_read(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7827. if (val)
  7828. break;
  7829. usleep_range(10000, 20000);
  7830. }
  7831. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7832. if ((params->feature_config_flags &
  7833. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7834. u8 i;
  7835. u16 reg;
  7836. for (i = 0; i < 4; i++) {
  7837. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7838. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7839. MDIO_XS_8706_REG_BANK_RX0);
  7840. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7841. /* Clear first 3 bits of the control */
  7842. val &= ~0x7;
  7843. /* Set control bits according to configuration */
  7844. val |= (phy->rx_preemphasis[i] & 0x7);
  7845. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7846. " reg 0x%x <-- val 0x%x\n", reg, val);
  7847. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7848. }
  7849. }
  7850. /* Force speed */
  7851. if (phy->req_line_speed == SPEED_10000) {
  7852. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7853. bnx2x_cl45_write(bp, phy,
  7854. MDIO_PMA_DEVAD,
  7855. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7856. bnx2x_cl45_write(bp, phy,
  7857. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7858. 0);
  7859. /* Arm LASI for link and Tx fault. */
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7862. } else {
  7863. /* Force 1Gbps using autoneg with 1G advertisement */
  7864. /* Allow CL37 through CL73 */
  7865. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7866. bnx2x_cl45_write(bp, phy,
  7867. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7868. /* Enable Full-Duplex advertisement on CL37 */
  7869. bnx2x_cl45_write(bp, phy,
  7870. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7871. /* Enable CL37 AN */
  7872. bnx2x_cl45_write(bp, phy,
  7873. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7874. /* 1G support */
  7875. bnx2x_cl45_write(bp, phy,
  7876. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7877. /* Enable clause 73 AN */
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7880. bnx2x_cl45_write(bp, phy,
  7881. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7882. 0x0400);
  7883. bnx2x_cl45_write(bp, phy,
  7884. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7885. 0x0004);
  7886. }
  7887. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7888. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7889. * power mode, if TX Laser is disabled
  7890. */
  7891. tx_en_mode = REG_RD(bp, params->shmem_base +
  7892. offsetof(struct shmem_region,
  7893. dev_info.port_hw_config[params->port].sfp_ctrl))
  7894. & PORT_HW_CFG_TX_LASER_MASK;
  7895. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7896. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7897. bnx2x_cl45_read(bp, phy,
  7898. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7899. tmp1 |= 0x1;
  7900. bnx2x_cl45_write(bp, phy,
  7901. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7902. }
  7903. return 0;
  7904. }
  7905. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7906. struct link_params *params,
  7907. struct link_vars *vars)
  7908. {
  7909. return bnx2x_8706_8726_read_status(phy, params, vars);
  7910. }
  7911. /******************************************************************/
  7912. /* BCM8726 PHY SECTION */
  7913. /******************************************************************/
  7914. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7915. struct link_params *params)
  7916. {
  7917. struct bnx2x *bp = params->bp;
  7918. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7919. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7920. }
  7921. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7922. struct link_params *params)
  7923. {
  7924. struct bnx2x *bp = params->bp;
  7925. /* Need to wait 100ms after reset */
  7926. msleep(100);
  7927. /* Micro controller re-boot */
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7930. /* Set soft reset */
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD,
  7933. MDIO_PMA_REG_GEN_CTRL,
  7934. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7935. bnx2x_cl45_write(bp, phy,
  7936. MDIO_PMA_DEVAD,
  7937. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_PMA_DEVAD,
  7940. MDIO_PMA_REG_GEN_CTRL,
  7941. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7942. /* Wait for 150ms for microcode load */
  7943. msleep(150);
  7944. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7945. bnx2x_cl45_write(bp, phy,
  7946. MDIO_PMA_DEVAD,
  7947. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7948. msleep(200);
  7949. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7950. }
  7951. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7952. struct link_params *params,
  7953. struct link_vars *vars)
  7954. {
  7955. struct bnx2x *bp = params->bp;
  7956. u16 val1;
  7957. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7958. if (link_up) {
  7959. bnx2x_cl45_read(bp, phy,
  7960. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7961. &val1);
  7962. if (val1 & (1<<15)) {
  7963. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7964. link_up = 0;
  7965. vars->line_speed = 0;
  7966. }
  7967. }
  7968. return link_up;
  7969. }
  7970. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7971. struct link_params *params,
  7972. struct link_vars *vars)
  7973. {
  7974. struct bnx2x *bp = params->bp;
  7975. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7976. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7977. bnx2x_wait_reset_complete(bp, phy, params);
  7978. bnx2x_8726_external_rom_boot(phy, params);
  7979. /* Need to call module detected on initialization since the module
  7980. * detection triggered by actual module insertion might occur before
  7981. * driver is loaded, and when driver is loaded, it reset all
  7982. * registers, including the transmitter
  7983. */
  7984. bnx2x_sfp_module_detection(phy, params);
  7985. if (phy->req_line_speed == SPEED_1000) {
  7986. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7993. bnx2x_cl45_write(bp, phy,
  7994. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7995. 0x400);
  7996. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7997. (phy->speed_cap_mask &
  7998. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7999. ((phy->speed_cap_mask &
  8000. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8001. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8002. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8003. /* Set Flow control */
  8004. bnx2x_ext_phy_set_pause(params, phy, vars);
  8005. bnx2x_cl45_write(bp, phy,
  8006. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8011. bnx2x_cl45_write(bp, phy,
  8012. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8013. bnx2x_cl45_write(bp, phy,
  8014. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8015. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8016. * change
  8017. */
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8020. bnx2x_cl45_write(bp, phy,
  8021. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8022. 0x400);
  8023. } else { /* Default 10G. Set only LASI control */
  8024. bnx2x_cl45_write(bp, phy,
  8025. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8026. }
  8027. /* Set TX PreEmphasis if needed */
  8028. if ((params->feature_config_flags &
  8029. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8030. DP(NETIF_MSG_LINK,
  8031. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8032. phy->tx_preemphasis[0],
  8033. phy->tx_preemphasis[1]);
  8034. bnx2x_cl45_write(bp, phy,
  8035. MDIO_PMA_DEVAD,
  8036. MDIO_PMA_REG_8726_TX_CTRL1,
  8037. phy->tx_preemphasis[0]);
  8038. bnx2x_cl45_write(bp, phy,
  8039. MDIO_PMA_DEVAD,
  8040. MDIO_PMA_REG_8726_TX_CTRL2,
  8041. phy->tx_preemphasis[1]);
  8042. }
  8043. return 0;
  8044. }
  8045. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8046. struct link_params *params)
  8047. {
  8048. struct bnx2x *bp = params->bp;
  8049. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8050. /* Set serial boot control for external load */
  8051. bnx2x_cl45_write(bp, phy,
  8052. MDIO_PMA_DEVAD,
  8053. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8054. }
  8055. /******************************************************************/
  8056. /* BCM8727 PHY SECTION */
  8057. /******************************************************************/
  8058. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8059. struct link_params *params, u8 mode)
  8060. {
  8061. struct bnx2x *bp = params->bp;
  8062. u16 led_mode_bitmask = 0;
  8063. u16 gpio_pins_bitmask = 0;
  8064. u16 val;
  8065. /* Only NOC flavor requires to set the LED specifically */
  8066. if (!(phy->flags & FLAGS_NOC))
  8067. return;
  8068. switch (mode) {
  8069. case LED_MODE_FRONT_PANEL_OFF:
  8070. case LED_MODE_OFF:
  8071. led_mode_bitmask = 0;
  8072. gpio_pins_bitmask = 0x03;
  8073. break;
  8074. case LED_MODE_ON:
  8075. led_mode_bitmask = 0;
  8076. gpio_pins_bitmask = 0x02;
  8077. break;
  8078. case LED_MODE_OPER:
  8079. led_mode_bitmask = 0x60;
  8080. gpio_pins_bitmask = 0x11;
  8081. break;
  8082. }
  8083. bnx2x_cl45_read(bp, phy,
  8084. MDIO_PMA_DEVAD,
  8085. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8086. &val);
  8087. val &= 0xff8f;
  8088. val |= led_mode_bitmask;
  8089. bnx2x_cl45_write(bp, phy,
  8090. MDIO_PMA_DEVAD,
  8091. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8092. val);
  8093. bnx2x_cl45_read(bp, phy,
  8094. MDIO_PMA_DEVAD,
  8095. MDIO_PMA_REG_8727_GPIO_CTRL,
  8096. &val);
  8097. val &= 0xffe0;
  8098. val |= gpio_pins_bitmask;
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_PMA_DEVAD,
  8101. MDIO_PMA_REG_8727_GPIO_CTRL,
  8102. val);
  8103. }
  8104. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8105. struct link_params *params) {
  8106. u32 swap_val, swap_override;
  8107. u8 port;
  8108. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8109. * to cancel the swap done in set_gpio()
  8110. */
  8111. struct bnx2x *bp = params->bp;
  8112. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8113. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8114. port = (swap_val && swap_override) ^ 1;
  8115. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8116. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8117. }
  8118. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8119. struct link_params *params)
  8120. {
  8121. struct bnx2x *bp = params->bp;
  8122. u16 tmp1, val;
  8123. /* Set option 1G speed */
  8124. if ((phy->req_line_speed == SPEED_1000) ||
  8125. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8126. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8127. bnx2x_cl45_write(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8129. bnx2x_cl45_write(bp, phy,
  8130. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8131. bnx2x_cl45_read(bp, phy,
  8132. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8133. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8134. /* Power down the XAUI until link is up in case of dual-media
  8135. * and 1G
  8136. */
  8137. if (DUAL_MEDIA(params)) {
  8138. bnx2x_cl45_read(bp, phy,
  8139. MDIO_PMA_DEVAD,
  8140. MDIO_PMA_REG_8727_PCS_GP, &val);
  8141. val |= (3<<10);
  8142. bnx2x_cl45_write(bp, phy,
  8143. MDIO_PMA_DEVAD,
  8144. MDIO_PMA_REG_8727_PCS_GP, val);
  8145. }
  8146. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8147. ((phy->speed_cap_mask &
  8148. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8149. ((phy->speed_cap_mask &
  8150. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8151. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8152. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8153. bnx2x_cl45_write(bp, phy,
  8154. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8155. bnx2x_cl45_write(bp, phy,
  8156. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8157. } else {
  8158. /* Since the 8727 has only single reset pin, need to set the 10G
  8159. * registers although it is default
  8160. */
  8161. bnx2x_cl45_write(bp, phy,
  8162. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8163. 0x0020);
  8164. bnx2x_cl45_write(bp, phy,
  8165. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8166. bnx2x_cl45_write(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8168. bnx2x_cl45_write(bp, phy,
  8169. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8170. 0x0008);
  8171. }
  8172. }
  8173. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8174. struct link_params *params,
  8175. struct link_vars *vars)
  8176. {
  8177. u32 tx_en_mode;
  8178. u16 tmp1, mod_abs, tmp2;
  8179. struct bnx2x *bp = params->bp;
  8180. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8181. bnx2x_wait_reset_complete(bp, phy, params);
  8182. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8183. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8184. /* Initially configure MOD_ABS to interrupt when module is
  8185. * presence( bit 8)
  8186. */
  8187. bnx2x_cl45_read(bp, phy,
  8188. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8189. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8190. * When the EDC is off it locks onto a reference clock and avoids
  8191. * becoming 'lost'
  8192. */
  8193. mod_abs &= ~(1<<8);
  8194. if (!(phy->flags & FLAGS_NOC))
  8195. mod_abs &= ~(1<<9);
  8196. bnx2x_cl45_write(bp, phy,
  8197. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8198. /* Enable/Disable PHY transmitter output */
  8199. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8200. bnx2x_8727_power_module(bp, phy, 1);
  8201. bnx2x_cl45_read(bp, phy,
  8202. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8203. bnx2x_cl45_read(bp, phy,
  8204. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8205. bnx2x_8727_config_speed(phy, params);
  8206. /* Set TX PreEmphasis if needed */
  8207. if ((params->feature_config_flags &
  8208. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8209. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8210. phy->tx_preemphasis[0],
  8211. phy->tx_preemphasis[1]);
  8212. bnx2x_cl45_write(bp, phy,
  8213. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8214. phy->tx_preemphasis[0]);
  8215. bnx2x_cl45_write(bp, phy,
  8216. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8217. phy->tx_preemphasis[1]);
  8218. }
  8219. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8220. * power mode, if TX Laser is disabled
  8221. */
  8222. tx_en_mode = REG_RD(bp, params->shmem_base +
  8223. offsetof(struct shmem_region,
  8224. dev_info.port_hw_config[params->port].sfp_ctrl))
  8225. & PORT_HW_CFG_TX_LASER_MASK;
  8226. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8227. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8228. bnx2x_cl45_read(bp, phy,
  8229. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8230. tmp2 |= 0x1000;
  8231. tmp2 &= 0xFFEF;
  8232. bnx2x_cl45_write(bp, phy,
  8233. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8234. bnx2x_cl45_read(bp, phy,
  8235. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8236. &tmp2);
  8237. bnx2x_cl45_write(bp, phy,
  8238. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8239. (tmp2 & 0x7fff));
  8240. }
  8241. return 0;
  8242. }
  8243. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8244. struct link_params *params)
  8245. {
  8246. struct bnx2x *bp = params->bp;
  8247. u16 mod_abs, rx_alarm_status;
  8248. u32 val = REG_RD(bp, params->shmem_base +
  8249. offsetof(struct shmem_region, dev_info.
  8250. port_feature_config[params->port].
  8251. config));
  8252. bnx2x_cl45_read(bp, phy,
  8253. MDIO_PMA_DEVAD,
  8254. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8255. if (mod_abs & (1<<8)) {
  8256. /* Module is absent */
  8257. DP(NETIF_MSG_LINK,
  8258. "MOD_ABS indication show module is absent\n");
  8259. phy->media_type = ETH_PHY_NOT_PRESENT;
  8260. /* 1. Set mod_abs to detect next module
  8261. * presence event
  8262. * 2. Set EDC off by setting OPTXLOS signal input to low
  8263. * (bit 9).
  8264. * When the EDC is off it locks onto a reference clock and
  8265. * avoids becoming 'lost'.
  8266. */
  8267. mod_abs &= ~(1<<8);
  8268. if (!(phy->flags & FLAGS_NOC))
  8269. mod_abs &= ~(1<<9);
  8270. bnx2x_cl45_write(bp, phy,
  8271. MDIO_PMA_DEVAD,
  8272. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8273. /* Clear RX alarm since it stays up as long as
  8274. * the mod_abs wasn't changed
  8275. */
  8276. bnx2x_cl45_read(bp, phy,
  8277. MDIO_PMA_DEVAD,
  8278. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8279. } else {
  8280. /* Module is present */
  8281. DP(NETIF_MSG_LINK,
  8282. "MOD_ABS indication show module is present\n");
  8283. /* First disable transmitter, and if the module is ok, the
  8284. * module_detection will enable it
  8285. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8286. * 2. Restore the default polarity of the OPRXLOS signal and
  8287. * this signal will then correctly indicate the presence or
  8288. * absence of the Rx signal. (bit 9)
  8289. */
  8290. mod_abs |= (1<<8);
  8291. if (!(phy->flags & FLAGS_NOC))
  8292. mod_abs |= (1<<9);
  8293. bnx2x_cl45_write(bp, phy,
  8294. MDIO_PMA_DEVAD,
  8295. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8296. /* Clear RX alarm since it stays up as long as the mod_abs
  8297. * wasn't changed. This is need to be done before calling the
  8298. * module detection, otherwise it will clear* the link update
  8299. * alarm
  8300. */
  8301. bnx2x_cl45_read(bp, phy,
  8302. MDIO_PMA_DEVAD,
  8303. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8304. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8305. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8306. bnx2x_sfp_set_transmitter(params, phy, 0);
  8307. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8308. bnx2x_sfp_module_detection(phy, params);
  8309. else
  8310. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8311. /* Reconfigure link speed based on module type limitations */
  8312. bnx2x_8727_config_speed(phy, params);
  8313. }
  8314. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8315. rx_alarm_status);
  8316. /* No need to check link status in case of module plugged in/out */
  8317. }
  8318. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8319. struct link_params *params,
  8320. struct link_vars *vars)
  8321. {
  8322. struct bnx2x *bp = params->bp;
  8323. u8 link_up = 0, oc_port = params->port;
  8324. u16 link_status = 0;
  8325. u16 rx_alarm_status, lasi_ctrl, val1;
  8326. /* If PHY is not initialized, do not check link status */
  8327. bnx2x_cl45_read(bp, phy,
  8328. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8329. &lasi_ctrl);
  8330. if (!lasi_ctrl)
  8331. return 0;
  8332. /* Check the LASI on Rx */
  8333. bnx2x_cl45_read(bp, phy,
  8334. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8335. &rx_alarm_status);
  8336. vars->line_speed = 0;
  8337. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8338. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8339. MDIO_PMA_LASI_TXCTRL);
  8340. bnx2x_cl45_read(bp, phy,
  8341. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8342. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8343. /* Clear MSG-OUT */
  8344. bnx2x_cl45_read(bp, phy,
  8345. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8346. /* If a module is present and there is need to check
  8347. * for over current
  8348. */
  8349. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8350. /* Check over-current using 8727 GPIO0 input*/
  8351. bnx2x_cl45_read(bp, phy,
  8352. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8353. &val1);
  8354. if ((val1 & (1<<8)) == 0) {
  8355. if (!CHIP_IS_E1x(bp))
  8356. oc_port = BP_PATH(bp) + (params->port << 1);
  8357. DP(NETIF_MSG_LINK,
  8358. "8727 Power fault has been detected on port %d\n",
  8359. oc_port);
  8360. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8361. "been detected and the power to "
  8362. "that SFP+ module has been removed "
  8363. "to prevent failure of the card. "
  8364. "Please remove the SFP+ module and "
  8365. "restart the system to clear this "
  8366. "error.\n",
  8367. oc_port);
  8368. /* Disable all RX_ALARMs except for mod_abs */
  8369. bnx2x_cl45_write(bp, phy,
  8370. MDIO_PMA_DEVAD,
  8371. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8372. bnx2x_cl45_read(bp, phy,
  8373. MDIO_PMA_DEVAD,
  8374. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8375. /* Wait for module_absent_event */
  8376. val1 |= (1<<8);
  8377. bnx2x_cl45_write(bp, phy,
  8378. MDIO_PMA_DEVAD,
  8379. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8380. /* Clear RX alarm */
  8381. bnx2x_cl45_read(bp, phy,
  8382. MDIO_PMA_DEVAD,
  8383. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8384. bnx2x_8727_power_module(params->bp, phy, 0);
  8385. return 0;
  8386. }
  8387. } /* Over current check */
  8388. /* When module absent bit is set, check module */
  8389. if (rx_alarm_status & (1<<5)) {
  8390. bnx2x_8727_handle_mod_abs(phy, params);
  8391. /* Enable all mod_abs and link detection bits */
  8392. bnx2x_cl45_write(bp, phy,
  8393. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8394. ((1<<5) | (1<<2)));
  8395. }
  8396. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8397. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8398. bnx2x_sfp_set_transmitter(params, phy, 1);
  8399. } else {
  8400. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8401. return 0;
  8402. }
  8403. bnx2x_cl45_read(bp, phy,
  8404. MDIO_PMA_DEVAD,
  8405. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8406. /* Bits 0..2 --> speed detected,
  8407. * Bits 13..15--> link is down
  8408. */
  8409. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8410. link_up = 1;
  8411. vars->line_speed = SPEED_10000;
  8412. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8413. params->port);
  8414. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8415. link_up = 1;
  8416. vars->line_speed = SPEED_1000;
  8417. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8418. params->port);
  8419. } else {
  8420. link_up = 0;
  8421. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8422. params->port);
  8423. }
  8424. /* Capture 10G link fault. */
  8425. if (vars->line_speed == SPEED_10000) {
  8426. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8427. MDIO_PMA_LASI_TXSTAT, &val1);
  8428. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8429. MDIO_PMA_LASI_TXSTAT, &val1);
  8430. if (val1 & (1<<0)) {
  8431. vars->fault_detected = 1;
  8432. }
  8433. }
  8434. if (link_up) {
  8435. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8436. vars->duplex = DUPLEX_FULL;
  8437. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8438. }
  8439. if ((DUAL_MEDIA(params)) &&
  8440. (phy->req_line_speed == SPEED_1000)) {
  8441. bnx2x_cl45_read(bp, phy,
  8442. MDIO_PMA_DEVAD,
  8443. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8444. /* In case of dual-media board and 1G, power up the XAUI side,
  8445. * otherwise power it down. For 10G it is done automatically
  8446. */
  8447. if (link_up)
  8448. val1 &= ~(3<<10);
  8449. else
  8450. val1 |= (3<<10);
  8451. bnx2x_cl45_write(bp, phy,
  8452. MDIO_PMA_DEVAD,
  8453. MDIO_PMA_REG_8727_PCS_GP, val1);
  8454. }
  8455. return link_up;
  8456. }
  8457. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8458. struct link_params *params)
  8459. {
  8460. struct bnx2x *bp = params->bp;
  8461. /* Enable/Disable PHY transmitter output */
  8462. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8463. /* Disable Transmitter */
  8464. bnx2x_sfp_set_transmitter(params, phy, 0);
  8465. /* Clear LASI */
  8466. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8467. }
  8468. /******************************************************************/
  8469. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8470. /******************************************************************/
  8471. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8472. struct bnx2x *bp,
  8473. u8 port)
  8474. {
  8475. u16 val, fw_ver2, cnt, i;
  8476. static struct bnx2x_reg_set reg_set[] = {
  8477. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8478. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8479. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8480. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8481. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8482. };
  8483. u16 fw_ver1;
  8484. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8485. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8486. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8487. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8488. phy->ver_addr);
  8489. } else {
  8490. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8491. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8492. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8493. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8494. reg_set[i].reg, reg_set[i].val);
  8495. for (cnt = 0; cnt < 100; cnt++) {
  8496. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8497. if (val & 1)
  8498. break;
  8499. udelay(5);
  8500. }
  8501. if (cnt == 100) {
  8502. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8503. "phy fw version(1)\n");
  8504. bnx2x_save_spirom_version(bp, port, 0,
  8505. phy->ver_addr);
  8506. return;
  8507. }
  8508. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8509. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8510. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8511. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8512. for (cnt = 0; cnt < 100; cnt++) {
  8513. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8514. if (val & 1)
  8515. break;
  8516. udelay(5);
  8517. }
  8518. if (cnt == 100) {
  8519. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8520. "version(2)\n");
  8521. bnx2x_save_spirom_version(bp, port, 0,
  8522. phy->ver_addr);
  8523. return;
  8524. }
  8525. /* lower 16 bits of the register SPI_FW_STATUS */
  8526. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8527. /* upper 16 bits of register SPI_FW_STATUS */
  8528. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8529. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8530. phy->ver_addr);
  8531. }
  8532. }
  8533. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8534. struct bnx2x_phy *phy)
  8535. {
  8536. u16 val, offset, i;
  8537. static struct bnx2x_reg_set reg_set[] = {
  8538. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8539. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8540. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8541. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8542. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8543. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8544. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8545. };
  8546. /* PHYC_CTL_LED_CTL */
  8547. bnx2x_cl45_read(bp, phy,
  8548. MDIO_PMA_DEVAD,
  8549. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8550. val &= 0xFE00;
  8551. val |= 0x0092;
  8552. bnx2x_cl45_write(bp, phy,
  8553. MDIO_PMA_DEVAD,
  8554. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8555. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8556. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8557. reg_set[i].val);
  8558. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8559. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8560. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8561. else
  8562. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8563. /* stretch_en for LED3*/
  8564. bnx2x_cl45_read_or_write(bp, phy,
  8565. MDIO_PMA_DEVAD, offset,
  8566. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8567. }
  8568. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8569. struct link_params *params,
  8570. u32 action)
  8571. {
  8572. struct bnx2x *bp = params->bp;
  8573. switch (action) {
  8574. case PHY_INIT:
  8575. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8576. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8577. /* Save spirom version */
  8578. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8579. }
  8580. /* This phy uses the NIG latch mechanism since link indication
  8581. * arrives through its LED4 and not via its LASI signal, so we
  8582. * get steady signal instead of clear on read
  8583. */
  8584. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8585. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8586. bnx2x_848xx_set_led(bp, phy);
  8587. break;
  8588. }
  8589. }
  8590. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8591. struct link_params *params,
  8592. struct link_vars *vars)
  8593. {
  8594. struct bnx2x *bp = params->bp;
  8595. u16 autoneg_val, an_1000_val, an_10_100_val;
  8596. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8597. bnx2x_cl45_write(bp, phy,
  8598. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8599. /* set 1000 speed advertisement */
  8600. bnx2x_cl45_read(bp, phy,
  8601. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8602. &an_1000_val);
  8603. bnx2x_ext_phy_set_pause(params, phy, vars);
  8604. bnx2x_cl45_read(bp, phy,
  8605. MDIO_AN_DEVAD,
  8606. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8607. &an_10_100_val);
  8608. bnx2x_cl45_read(bp, phy,
  8609. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8610. &autoneg_val);
  8611. /* Disable forced speed */
  8612. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8613. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8614. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8615. (phy->speed_cap_mask &
  8616. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8617. (phy->req_line_speed == SPEED_1000)) {
  8618. an_1000_val |= (1<<8);
  8619. autoneg_val |= (1<<9 | 1<<12);
  8620. if (phy->req_duplex == DUPLEX_FULL)
  8621. an_1000_val |= (1<<9);
  8622. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8623. } else
  8624. an_1000_val &= ~((1<<8) | (1<<9));
  8625. bnx2x_cl45_write(bp, phy,
  8626. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8627. an_1000_val);
  8628. /* Set 10/100 speed advertisement */
  8629. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8630. if (phy->speed_cap_mask &
  8631. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8632. /* Enable autoneg and restart autoneg for legacy speeds
  8633. */
  8634. autoneg_val |= (1<<9 | 1<<12);
  8635. an_10_100_val |= (1<<8);
  8636. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8637. }
  8638. if (phy->speed_cap_mask &
  8639. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8640. /* Enable autoneg and restart autoneg for legacy speeds
  8641. */
  8642. autoneg_val |= (1<<9 | 1<<12);
  8643. an_10_100_val |= (1<<7);
  8644. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8645. }
  8646. if ((phy->speed_cap_mask &
  8647. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8648. (phy->supported & SUPPORTED_10baseT_Full)) {
  8649. an_10_100_val |= (1<<6);
  8650. autoneg_val |= (1<<9 | 1<<12);
  8651. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8652. }
  8653. if ((phy->speed_cap_mask &
  8654. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8655. (phy->supported & SUPPORTED_10baseT_Half)) {
  8656. an_10_100_val |= (1<<5);
  8657. autoneg_val |= (1<<9 | 1<<12);
  8658. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8659. }
  8660. }
  8661. /* Only 10/100 are allowed to work in FORCE mode */
  8662. if ((phy->req_line_speed == SPEED_100) &&
  8663. (phy->supported &
  8664. (SUPPORTED_100baseT_Half |
  8665. SUPPORTED_100baseT_Full))) {
  8666. autoneg_val |= (1<<13);
  8667. /* Enabled AUTO-MDIX when autoneg is disabled */
  8668. bnx2x_cl45_write(bp, phy,
  8669. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8670. (1<<15 | 1<<9 | 7<<0));
  8671. /* The PHY needs this set even for forced link. */
  8672. an_10_100_val |= (1<<8) | (1<<7);
  8673. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8674. }
  8675. if ((phy->req_line_speed == SPEED_10) &&
  8676. (phy->supported &
  8677. (SUPPORTED_10baseT_Half |
  8678. SUPPORTED_10baseT_Full))) {
  8679. /* Enabled AUTO-MDIX when autoneg is disabled */
  8680. bnx2x_cl45_write(bp, phy,
  8681. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8682. (1<<15 | 1<<9 | 7<<0));
  8683. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8684. }
  8685. bnx2x_cl45_write(bp, phy,
  8686. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8687. an_10_100_val);
  8688. if (phy->req_duplex == DUPLEX_FULL)
  8689. autoneg_val |= (1<<8);
  8690. /* Always write this if this is not 84833/4.
  8691. * For 84833/4, write it only when it's a forced speed.
  8692. */
  8693. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8694. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8695. ((autoneg_val & (1<<12)) == 0))
  8696. bnx2x_cl45_write(bp, phy,
  8697. MDIO_AN_DEVAD,
  8698. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8699. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8700. (phy->speed_cap_mask &
  8701. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8702. (phy->req_line_speed == SPEED_10000)) {
  8703. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8704. /* Restart autoneg for 10G*/
  8705. bnx2x_cl45_read_or_write(
  8706. bp, phy,
  8707. MDIO_AN_DEVAD,
  8708. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8709. 0x1000);
  8710. bnx2x_cl45_write(bp, phy,
  8711. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8712. 0x3200);
  8713. } else
  8714. bnx2x_cl45_write(bp, phy,
  8715. MDIO_AN_DEVAD,
  8716. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8717. 1);
  8718. return 0;
  8719. }
  8720. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8721. struct link_params *params,
  8722. struct link_vars *vars)
  8723. {
  8724. struct bnx2x *bp = params->bp;
  8725. /* Restore normal power mode*/
  8726. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8727. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8728. /* HW reset */
  8729. bnx2x_ext_phy_hw_reset(bp, params->port);
  8730. bnx2x_wait_reset_complete(bp, phy, params);
  8731. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8732. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8733. }
  8734. #define PHY84833_CMDHDLR_WAIT 300
  8735. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8736. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8737. struct link_params *params, u16 fw_cmd,
  8738. u16 cmd_args[], int argc)
  8739. {
  8740. int idx;
  8741. u16 val;
  8742. struct bnx2x *bp = params->bp;
  8743. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8744. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8745. MDIO_84833_CMD_HDLR_STATUS,
  8746. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8747. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8748. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8749. MDIO_84833_CMD_HDLR_STATUS, &val);
  8750. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8751. break;
  8752. usleep_range(1000, 2000);
  8753. }
  8754. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8755. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8756. return -EINVAL;
  8757. }
  8758. /* Prepare argument(s) and issue command */
  8759. for (idx = 0; idx < argc; idx++) {
  8760. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8761. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8762. cmd_args[idx]);
  8763. }
  8764. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8765. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8766. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8767. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8768. MDIO_84833_CMD_HDLR_STATUS, &val);
  8769. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8770. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8771. break;
  8772. usleep_range(1000, 2000);
  8773. }
  8774. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8775. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8776. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8777. return -EINVAL;
  8778. }
  8779. /* Gather returning data */
  8780. for (idx = 0; idx < argc; idx++) {
  8781. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8782. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8783. &cmd_args[idx]);
  8784. }
  8785. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8786. MDIO_84833_CMD_HDLR_STATUS,
  8787. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8788. return 0;
  8789. }
  8790. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8791. struct link_params *params,
  8792. struct link_vars *vars)
  8793. {
  8794. u32 pair_swap;
  8795. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8796. int status;
  8797. struct bnx2x *bp = params->bp;
  8798. /* Check for configuration. */
  8799. pair_swap = REG_RD(bp, params->shmem_base +
  8800. offsetof(struct shmem_region,
  8801. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8802. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8803. if (pair_swap == 0)
  8804. return 0;
  8805. /* Only the second argument is used for this command */
  8806. data[1] = (u16)pair_swap;
  8807. status = bnx2x_84833_cmd_hdlr(phy, params,
  8808. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8809. if (status == 0)
  8810. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8811. return status;
  8812. }
  8813. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8814. u32 shmem_base_path[],
  8815. u32 chip_id)
  8816. {
  8817. u32 reset_pin[2];
  8818. u32 idx;
  8819. u8 reset_gpios;
  8820. if (CHIP_IS_E3(bp)) {
  8821. /* Assume that these will be GPIOs, not EPIOs. */
  8822. for (idx = 0; idx < 2; idx++) {
  8823. /* Map config param to register bit. */
  8824. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8825. offsetof(struct shmem_region,
  8826. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8827. reset_pin[idx] = (reset_pin[idx] &
  8828. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8829. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8830. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8831. reset_pin[idx] = (1 << reset_pin[idx]);
  8832. }
  8833. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8834. } else {
  8835. /* E2, look from diff place of shmem. */
  8836. for (idx = 0; idx < 2; idx++) {
  8837. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8838. offsetof(struct shmem_region,
  8839. dev_info.port_hw_config[0].default_cfg));
  8840. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8841. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8842. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8843. reset_pin[idx] = (1 << reset_pin[idx]);
  8844. }
  8845. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8846. }
  8847. return reset_gpios;
  8848. }
  8849. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8850. struct link_params *params)
  8851. {
  8852. struct bnx2x *bp = params->bp;
  8853. u8 reset_gpios;
  8854. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8855. offsetof(struct shmem2_region,
  8856. other_shmem_base_addr));
  8857. u32 shmem_base_path[2];
  8858. /* Work around for 84833 LED failure inside RESET status */
  8859. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8860. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8861. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8862. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8863. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8864. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8865. shmem_base_path[0] = params->shmem_base;
  8866. shmem_base_path[1] = other_shmem_base_addr;
  8867. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8868. params->chip_id);
  8869. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8870. udelay(10);
  8871. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8872. reset_gpios);
  8873. return 0;
  8874. }
  8875. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8876. struct link_params *params,
  8877. struct link_vars *vars)
  8878. {
  8879. int rc;
  8880. struct bnx2x *bp = params->bp;
  8881. u16 cmd_args = 0;
  8882. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8883. /* Prevent Phy from working in EEE and advertising it */
  8884. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8885. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8886. if (rc) {
  8887. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8888. return rc;
  8889. }
  8890. return bnx2x_eee_disable(phy, params, vars);
  8891. }
  8892. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8893. struct link_params *params,
  8894. struct link_vars *vars)
  8895. {
  8896. int rc;
  8897. struct bnx2x *bp = params->bp;
  8898. u16 cmd_args = 1;
  8899. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8900. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8901. if (rc) {
  8902. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8903. return rc;
  8904. }
  8905. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8906. }
  8907. #define PHY84833_CONSTANT_LATENCY 1193
  8908. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8909. struct link_params *params,
  8910. struct link_vars *vars)
  8911. {
  8912. struct bnx2x *bp = params->bp;
  8913. u8 port, initialize = 1;
  8914. u16 val;
  8915. u32 actual_phy_selection;
  8916. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8917. int rc = 0;
  8918. usleep_range(1000, 2000);
  8919. if (!(CHIP_IS_E1x(bp)))
  8920. port = BP_PATH(bp);
  8921. else
  8922. port = params->port;
  8923. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8924. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8925. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8926. port);
  8927. } else {
  8928. /* MDIO reset */
  8929. bnx2x_cl45_write(bp, phy,
  8930. MDIO_PMA_DEVAD,
  8931. MDIO_PMA_REG_CTRL, 0x8000);
  8932. }
  8933. bnx2x_wait_reset_complete(bp, phy, params);
  8934. /* Wait for GPHY to come out of reset */
  8935. msleep(50);
  8936. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8937. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8938. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8939. * behavior.
  8940. */
  8941. u16 temp;
  8942. temp = vars->line_speed;
  8943. vars->line_speed = SPEED_10000;
  8944. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8945. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8946. vars->line_speed = temp;
  8947. }
  8948. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8949. MDIO_CTL_REG_84823_MEDIA, &val);
  8950. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8951. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8952. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8953. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8954. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8955. if (CHIP_IS_E3(bp)) {
  8956. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8957. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8958. } else {
  8959. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8960. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8961. }
  8962. actual_phy_selection = bnx2x_phy_selection(params);
  8963. switch (actual_phy_selection) {
  8964. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8965. /* Do nothing. Essentially this is like the priority copper */
  8966. break;
  8967. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8968. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8969. break;
  8970. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8971. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8972. break;
  8973. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8974. /* Do nothing here. The first PHY won't be initialized at all */
  8975. break;
  8976. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8977. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8978. initialize = 0;
  8979. break;
  8980. }
  8981. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8982. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8983. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8984. MDIO_CTL_REG_84823_MEDIA, val);
  8985. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8986. params->multi_phy_config, val);
  8987. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8988. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8989. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8990. /* Keep AutogrEEEn disabled. */
  8991. cmd_args[0] = 0x0;
  8992. cmd_args[1] = 0x0;
  8993. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8994. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8995. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8996. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8997. PHY84833_CMDHDLR_MAX_ARGS);
  8998. if (rc)
  8999. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  9000. }
  9001. if (initialize)
  9002. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9003. else
  9004. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9005. /* 84833 PHY has a better feature and doesn't need to support this. */
  9006. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9007. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9008. offsetof(struct shmem_region,
  9009. dev_info.port_hw_config[params->port].default_cfg)) &
  9010. PORT_HW_CFG_ENABLE_CMS_MASK;
  9011. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9012. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9013. if (cms_enable)
  9014. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9015. else
  9016. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9017. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9018. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9019. }
  9020. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9021. MDIO_84833_TOP_CFG_FW_REV, &val);
  9022. /* Configure EEE support */
  9023. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9024. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9025. bnx2x_eee_has_cap(params)) {
  9026. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9027. if (rc) {
  9028. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9029. bnx2x_8483x_disable_eee(phy, params, vars);
  9030. return rc;
  9031. }
  9032. if ((phy->req_duplex == DUPLEX_FULL) &&
  9033. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9034. (bnx2x_eee_calc_timer(params) ||
  9035. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9036. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9037. else
  9038. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9039. if (rc) {
  9040. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9041. return rc;
  9042. }
  9043. } else {
  9044. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9045. }
  9046. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9047. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9048. /* Bring PHY out of super isolate mode as the final step. */
  9049. bnx2x_cl45_read_and_write(bp, phy,
  9050. MDIO_CTL_DEVAD,
  9051. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9052. (u16)~MDIO_84833_SUPER_ISOLATE);
  9053. }
  9054. return rc;
  9055. }
  9056. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9057. struct link_params *params,
  9058. struct link_vars *vars)
  9059. {
  9060. struct bnx2x *bp = params->bp;
  9061. u16 val, val1, val2;
  9062. u8 link_up = 0;
  9063. /* Check 10G-BaseT link status */
  9064. /* Check PMD signal ok */
  9065. bnx2x_cl45_read(bp, phy,
  9066. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9067. bnx2x_cl45_read(bp, phy,
  9068. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9069. &val2);
  9070. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9071. /* Check link 10G */
  9072. if (val2 & (1<<11)) {
  9073. vars->line_speed = SPEED_10000;
  9074. vars->duplex = DUPLEX_FULL;
  9075. link_up = 1;
  9076. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9077. } else { /* Check Legacy speed link */
  9078. u16 legacy_status, legacy_speed;
  9079. /* Enable expansion register 0x42 (Operation mode status) */
  9080. bnx2x_cl45_write(bp, phy,
  9081. MDIO_AN_DEVAD,
  9082. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9083. /* Get legacy speed operation status */
  9084. bnx2x_cl45_read(bp, phy,
  9085. MDIO_AN_DEVAD,
  9086. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9087. &legacy_status);
  9088. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9089. legacy_status);
  9090. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9091. legacy_speed = (legacy_status & (3<<9));
  9092. if (legacy_speed == (0<<9))
  9093. vars->line_speed = SPEED_10;
  9094. else if (legacy_speed == (1<<9))
  9095. vars->line_speed = SPEED_100;
  9096. else if (legacy_speed == (2<<9))
  9097. vars->line_speed = SPEED_1000;
  9098. else { /* Should not happen: Treat as link down */
  9099. vars->line_speed = 0;
  9100. link_up = 0;
  9101. }
  9102. if (link_up) {
  9103. if (legacy_status & (1<<8))
  9104. vars->duplex = DUPLEX_FULL;
  9105. else
  9106. vars->duplex = DUPLEX_HALF;
  9107. DP(NETIF_MSG_LINK,
  9108. "Link is up in %dMbps, is_duplex_full= %d\n",
  9109. vars->line_speed,
  9110. (vars->duplex == DUPLEX_FULL));
  9111. /* Check legacy speed AN resolution */
  9112. bnx2x_cl45_read(bp, phy,
  9113. MDIO_AN_DEVAD,
  9114. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9115. &val);
  9116. if (val & (1<<5))
  9117. vars->link_status |=
  9118. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9119. bnx2x_cl45_read(bp, phy,
  9120. MDIO_AN_DEVAD,
  9121. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9122. &val);
  9123. if ((val & (1<<0)) == 0)
  9124. vars->link_status |=
  9125. LINK_STATUS_PARALLEL_DETECTION_USED;
  9126. }
  9127. }
  9128. if (link_up) {
  9129. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9130. vars->line_speed);
  9131. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9132. /* Read LP advertised speeds */
  9133. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9134. MDIO_AN_REG_CL37_FC_LP, &val);
  9135. if (val & (1<<5))
  9136. vars->link_status |=
  9137. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9138. if (val & (1<<6))
  9139. vars->link_status |=
  9140. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9141. if (val & (1<<7))
  9142. vars->link_status |=
  9143. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9144. if (val & (1<<8))
  9145. vars->link_status |=
  9146. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9147. if (val & (1<<9))
  9148. vars->link_status |=
  9149. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9150. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9151. MDIO_AN_REG_1000T_STATUS, &val);
  9152. if (val & (1<<10))
  9153. vars->link_status |=
  9154. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9155. if (val & (1<<11))
  9156. vars->link_status |=
  9157. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9158. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9159. MDIO_AN_REG_MASTER_STATUS, &val);
  9160. if (val & (1<<11))
  9161. vars->link_status |=
  9162. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9163. /* Determine if EEE was negotiated */
  9164. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9165. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9166. bnx2x_eee_an_resolve(phy, params, vars);
  9167. }
  9168. return link_up;
  9169. }
  9170. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9171. {
  9172. int status = 0;
  9173. u32 spirom_ver;
  9174. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9175. status = bnx2x_format_ver(spirom_ver, str, len);
  9176. return status;
  9177. }
  9178. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9179. struct link_params *params)
  9180. {
  9181. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9182. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9183. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9184. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9185. }
  9186. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9187. struct link_params *params)
  9188. {
  9189. bnx2x_cl45_write(params->bp, phy,
  9190. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9191. bnx2x_cl45_write(params->bp, phy,
  9192. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9193. }
  9194. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9195. struct link_params *params)
  9196. {
  9197. struct bnx2x *bp = params->bp;
  9198. u8 port;
  9199. u16 val16;
  9200. if (!(CHIP_IS_E1x(bp)))
  9201. port = BP_PATH(bp);
  9202. else
  9203. port = params->port;
  9204. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9205. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9206. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9207. port);
  9208. } else {
  9209. bnx2x_cl45_read(bp, phy,
  9210. MDIO_CTL_DEVAD,
  9211. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9212. val16 |= MDIO_84833_SUPER_ISOLATE;
  9213. bnx2x_cl45_write(bp, phy,
  9214. MDIO_CTL_DEVAD,
  9215. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9216. }
  9217. }
  9218. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9219. struct link_params *params, u8 mode)
  9220. {
  9221. struct bnx2x *bp = params->bp;
  9222. u16 val;
  9223. u8 port;
  9224. if (!(CHIP_IS_E1x(bp)))
  9225. port = BP_PATH(bp);
  9226. else
  9227. port = params->port;
  9228. switch (mode) {
  9229. case LED_MODE_OFF:
  9230. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9231. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9232. SHARED_HW_CFG_LED_EXTPHY1) {
  9233. /* Set LED masks */
  9234. bnx2x_cl45_write(bp, phy,
  9235. MDIO_PMA_DEVAD,
  9236. MDIO_PMA_REG_8481_LED1_MASK,
  9237. 0x0);
  9238. bnx2x_cl45_write(bp, phy,
  9239. MDIO_PMA_DEVAD,
  9240. MDIO_PMA_REG_8481_LED2_MASK,
  9241. 0x0);
  9242. bnx2x_cl45_write(bp, phy,
  9243. MDIO_PMA_DEVAD,
  9244. MDIO_PMA_REG_8481_LED3_MASK,
  9245. 0x0);
  9246. bnx2x_cl45_write(bp, phy,
  9247. MDIO_PMA_DEVAD,
  9248. MDIO_PMA_REG_8481_LED5_MASK,
  9249. 0x0);
  9250. } else {
  9251. bnx2x_cl45_write(bp, phy,
  9252. MDIO_PMA_DEVAD,
  9253. MDIO_PMA_REG_8481_LED1_MASK,
  9254. 0x0);
  9255. }
  9256. break;
  9257. case LED_MODE_FRONT_PANEL_OFF:
  9258. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9259. port);
  9260. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9261. SHARED_HW_CFG_LED_EXTPHY1) {
  9262. /* Set LED masks */
  9263. bnx2x_cl45_write(bp, phy,
  9264. MDIO_PMA_DEVAD,
  9265. MDIO_PMA_REG_8481_LED1_MASK,
  9266. 0x0);
  9267. bnx2x_cl45_write(bp, phy,
  9268. MDIO_PMA_DEVAD,
  9269. MDIO_PMA_REG_8481_LED2_MASK,
  9270. 0x0);
  9271. bnx2x_cl45_write(bp, phy,
  9272. MDIO_PMA_DEVAD,
  9273. MDIO_PMA_REG_8481_LED3_MASK,
  9274. 0x0);
  9275. bnx2x_cl45_write(bp, phy,
  9276. MDIO_PMA_DEVAD,
  9277. MDIO_PMA_REG_8481_LED5_MASK,
  9278. 0x20);
  9279. } else {
  9280. bnx2x_cl45_write(bp, phy,
  9281. MDIO_PMA_DEVAD,
  9282. MDIO_PMA_REG_8481_LED1_MASK,
  9283. 0x0);
  9284. if (phy->type ==
  9285. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9286. /* Disable MI_INT interrupt before setting LED4
  9287. * source to constant off.
  9288. */
  9289. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9290. params->port*4) &
  9291. NIG_MASK_MI_INT) {
  9292. params->link_flags |=
  9293. LINK_FLAGS_INT_DISABLED;
  9294. bnx2x_bits_dis(
  9295. bp,
  9296. NIG_REG_MASK_INTERRUPT_PORT0 +
  9297. params->port*4,
  9298. NIG_MASK_MI_INT);
  9299. }
  9300. bnx2x_cl45_write(bp, phy,
  9301. MDIO_PMA_DEVAD,
  9302. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9303. 0x0);
  9304. }
  9305. }
  9306. break;
  9307. case LED_MODE_ON:
  9308. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9309. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9310. SHARED_HW_CFG_LED_EXTPHY1) {
  9311. /* Set control reg */
  9312. bnx2x_cl45_read(bp, phy,
  9313. MDIO_PMA_DEVAD,
  9314. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9315. &val);
  9316. val &= 0x8000;
  9317. val |= 0x2492;
  9318. bnx2x_cl45_write(bp, phy,
  9319. MDIO_PMA_DEVAD,
  9320. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9321. val);
  9322. /* Set LED masks */
  9323. bnx2x_cl45_write(bp, phy,
  9324. MDIO_PMA_DEVAD,
  9325. MDIO_PMA_REG_8481_LED1_MASK,
  9326. 0x0);
  9327. bnx2x_cl45_write(bp, phy,
  9328. MDIO_PMA_DEVAD,
  9329. MDIO_PMA_REG_8481_LED2_MASK,
  9330. 0x20);
  9331. bnx2x_cl45_write(bp, phy,
  9332. MDIO_PMA_DEVAD,
  9333. MDIO_PMA_REG_8481_LED3_MASK,
  9334. 0x20);
  9335. bnx2x_cl45_write(bp, phy,
  9336. MDIO_PMA_DEVAD,
  9337. MDIO_PMA_REG_8481_LED5_MASK,
  9338. 0x0);
  9339. } else {
  9340. bnx2x_cl45_write(bp, phy,
  9341. MDIO_PMA_DEVAD,
  9342. MDIO_PMA_REG_8481_LED1_MASK,
  9343. 0x20);
  9344. if (phy->type ==
  9345. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9346. /* Disable MI_INT interrupt before setting LED4
  9347. * source to constant on.
  9348. */
  9349. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9350. params->port*4) &
  9351. NIG_MASK_MI_INT) {
  9352. params->link_flags |=
  9353. LINK_FLAGS_INT_DISABLED;
  9354. bnx2x_bits_dis(
  9355. bp,
  9356. NIG_REG_MASK_INTERRUPT_PORT0 +
  9357. params->port*4,
  9358. NIG_MASK_MI_INT);
  9359. }
  9360. bnx2x_cl45_write(bp, phy,
  9361. MDIO_PMA_DEVAD,
  9362. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9363. 0x20);
  9364. }
  9365. }
  9366. break;
  9367. case LED_MODE_OPER:
  9368. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9369. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9370. SHARED_HW_CFG_LED_EXTPHY1) {
  9371. /* Set control reg */
  9372. bnx2x_cl45_read(bp, phy,
  9373. MDIO_PMA_DEVAD,
  9374. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9375. &val);
  9376. if (!((val &
  9377. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9378. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9379. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9380. bnx2x_cl45_write(bp, phy,
  9381. MDIO_PMA_DEVAD,
  9382. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9383. 0xa492);
  9384. }
  9385. /* Set LED masks */
  9386. bnx2x_cl45_write(bp, phy,
  9387. MDIO_PMA_DEVAD,
  9388. MDIO_PMA_REG_8481_LED1_MASK,
  9389. 0x10);
  9390. bnx2x_cl45_write(bp, phy,
  9391. MDIO_PMA_DEVAD,
  9392. MDIO_PMA_REG_8481_LED2_MASK,
  9393. 0x80);
  9394. bnx2x_cl45_write(bp, phy,
  9395. MDIO_PMA_DEVAD,
  9396. MDIO_PMA_REG_8481_LED3_MASK,
  9397. 0x98);
  9398. bnx2x_cl45_write(bp, phy,
  9399. MDIO_PMA_DEVAD,
  9400. MDIO_PMA_REG_8481_LED5_MASK,
  9401. 0x40);
  9402. } else {
  9403. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9404. * sources are all wired through LED1, rather than only
  9405. * 10G in other modes.
  9406. */
  9407. val = ((params->hw_led_mode <<
  9408. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9409. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9410. bnx2x_cl45_write(bp, phy,
  9411. MDIO_PMA_DEVAD,
  9412. MDIO_PMA_REG_8481_LED1_MASK,
  9413. val);
  9414. /* Tell LED3 to blink on source */
  9415. bnx2x_cl45_read(bp, phy,
  9416. MDIO_PMA_DEVAD,
  9417. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9418. &val);
  9419. val &= ~(7<<6);
  9420. val |= (1<<6); /* A83B[8:6]= 1 */
  9421. bnx2x_cl45_write(bp, phy,
  9422. MDIO_PMA_DEVAD,
  9423. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9424. val);
  9425. if (phy->type ==
  9426. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9427. /* Restore LED4 source to external link,
  9428. * and re-enable interrupts.
  9429. */
  9430. bnx2x_cl45_write(bp, phy,
  9431. MDIO_PMA_DEVAD,
  9432. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9433. 0x40);
  9434. if (params->link_flags &
  9435. LINK_FLAGS_INT_DISABLED) {
  9436. bnx2x_link_int_enable(params);
  9437. params->link_flags &=
  9438. ~LINK_FLAGS_INT_DISABLED;
  9439. }
  9440. }
  9441. }
  9442. break;
  9443. }
  9444. /* This is a workaround for E3+84833 until autoneg
  9445. * restart is fixed in f/w
  9446. */
  9447. if (CHIP_IS_E3(bp)) {
  9448. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9449. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9450. }
  9451. }
  9452. /******************************************************************/
  9453. /* 54618SE PHY SECTION */
  9454. /******************************************************************/
  9455. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9456. struct link_params *params,
  9457. u32 action)
  9458. {
  9459. struct bnx2x *bp = params->bp;
  9460. u16 temp;
  9461. switch (action) {
  9462. case PHY_INIT:
  9463. /* Configure LED4: set to INTR (0x6). */
  9464. /* Accessing shadow register 0xe. */
  9465. bnx2x_cl22_write(bp, phy,
  9466. MDIO_REG_GPHY_SHADOW,
  9467. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9468. bnx2x_cl22_read(bp, phy,
  9469. MDIO_REG_GPHY_SHADOW,
  9470. &temp);
  9471. temp &= ~(0xf << 4);
  9472. temp |= (0x6 << 4);
  9473. bnx2x_cl22_write(bp, phy,
  9474. MDIO_REG_GPHY_SHADOW,
  9475. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9476. /* Configure INTR based on link status change. */
  9477. bnx2x_cl22_write(bp, phy,
  9478. MDIO_REG_INTR_MASK,
  9479. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9480. break;
  9481. }
  9482. }
  9483. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9484. struct link_params *params,
  9485. struct link_vars *vars)
  9486. {
  9487. struct bnx2x *bp = params->bp;
  9488. u8 port;
  9489. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9490. u32 cfg_pin;
  9491. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9492. usleep_range(1000, 2000);
  9493. /* This works with E3 only, no need to check the chip
  9494. * before determining the port.
  9495. */
  9496. port = params->port;
  9497. cfg_pin = (REG_RD(bp, params->shmem_base +
  9498. offsetof(struct shmem_region,
  9499. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9500. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9501. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9502. /* Drive pin high to bring the GPHY out of reset. */
  9503. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9504. /* wait for GPHY to reset */
  9505. msleep(50);
  9506. /* reset phy */
  9507. bnx2x_cl22_write(bp, phy,
  9508. MDIO_PMA_REG_CTRL, 0x8000);
  9509. bnx2x_wait_reset_complete(bp, phy, params);
  9510. /* Wait for GPHY to reset */
  9511. msleep(50);
  9512. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9513. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9514. bnx2x_cl22_write(bp, phy,
  9515. MDIO_REG_GPHY_SHADOW,
  9516. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9517. bnx2x_cl22_read(bp, phy,
  9518. MDIO_REG_GPHY_SHADOW,
  9519. &temp);
  9520. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9521. bnx2x_cl22_write(bp, phy,
  9522. MDIO_REG_GPHY_SHADOW,
  9523. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9524. /* Set up fc */
  9525. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9526. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9527. fc_val = 0;
  9528. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9529. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9530. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9531. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9532. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9533. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9534. /* Read all advertisement */
  9535. bnx2x_cl22_read(bp, phy,
  9536. 0x09,
  9537. &an_1000_val);
  9538. bnx2x_cl22_read(bp, phy,
  9539. 0x04,
  9540. &an_10_100_val);
  9541. bnx2x_cl22_read(bp, phy,
  9542. MDIO_PMA_REG_CTRL,
  9543. &autoneg_val);
  9544. /* Disable forced speed */
  9545. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9546. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9547. (1<<11));
  9548. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9549. (phy->speed_cap_mask &
  9550. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9551. (phy->req_line_speed == SPEED_1000)) {
  9552. an_1000_val |= (1<<8);
  9553. autoneg_val |= (1<<9 | 1<<12);
  9554. if (phy->req_duplex == DUPLEX_FULL)
  9555. an_1000_val |= (1<<9);
  9556. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9557. } else
  9558. an_1000_val &= ~((1<<8) | (1<<9));
  9559. bnx2x_cl22_write(bp, phy,
  9560. 0x09,
  9561. an_1000_val);
  9562. bnx2x_cl22_read(bp, phy,
  9563. 0x09,
  9564. &an_1000_val);
  9565. /* Advertise 10/100 link speed */
  9566. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9567. if (phy->speed_cap_mask &
  9568. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9569. an_10_100_val |= (1<<5);
  9570. autoneg_val |= (1<<9 | 1<<12);
  9571. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9572. }
  9573. if (phy->speed_cap_mask &
  9574. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9575. an_10_100_val |= (1<<6);
  9576. autoneg_val |= (1<<9 | 1<<12);
  9577. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9578. }
  9579. if (phy->speed_cap_mask &
  9580. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9581. an_10_100_val |= (1<<7);
  9582. autoneg_val |= (1<<9 | 1<<12);
  9583. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9584. }
  9585. if (phy->speed_cap_mask &
  9586. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9587. an_10_100_val |= (1<<8);
  9588. autoneg_val |= (1<<9 | 1<<12);
  9589. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9590. }
  9591. }
  9592. /* Only 10/100 are allowed to work in FORCE mode */
  9593. if (phy->req_line_speed == SPEED_100) {
  9594. autoneg_val |= (1<<13);
  9595. /* Enabled AUTO-MDIX when autoneg is disabled */
  9596. bnx2x_cl22_write(bp, phy,
  9597. 0x18,
  9598. (1<<15 | 1<<9 | 7<<0));
  9599. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9600. }
  9601. if (phy->req_line_speed == SPEED_10) {
  9602. /* Enabled AUTO-MDIX when autoneg is disabled */
  9603. bnx2x_cl22_write(bp, phy,
  9604. 0x18,
  9605. (1<<15 | 1<<9 | 7<<0));
  9606. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9607. }
  9608. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9609. int rc;
  9610. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9611. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9612. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9613. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9614. temp &= 0xfffe;
  9615. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9616. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9617. if (rc) {
  9618. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9619. bnx2x_eee_disable(phy, params, vars);
  9620. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9621. (phy->req_duplex == DUPLEX_FULL) &&
  9622. (bnx2x_eee_calc_timer(params) ||
  9623. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9624. /* Need to advertise EEE only when requested,
  9625. * and either no LPI assertion was requested,
  9626. * or it was requested and a valid timer was set.
  9627. * Also notice full duplex is required for EEE.
  9628. */
  9629. bnx2x_eee_advertise(phy, params, vars,
  9630. SHMEM_EEE_1G_ADV);
  9631. } else {
  9632. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9633. bnx2x_eee_disable(phy, params, vars);
  9634. }
  9635. } else {
  9636. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9637. SHMEM_EEE_SUPPORTED_SHIFT;
  9638. if (phy->flags & FLAGS_EEE) {
  9639. /* Handle legacy auto-grEEEn */
  9640. if (params->feature_config_flags &
  9641. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9642. temp = 6;
  9643. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9644. } else {
  9645. temp = 0;
  9646. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9647. }
  9648. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9649. MDIO_AN_REG_EEE_ADV, temp);
  9650. }
  9651. }
  9652. bnx2x_cl22_write(bp, phy,
  9653. 0x04,
  9654. an_10_100_val | fc_val);
  9655. if (phy->req_duplex == DUPLEX_FULL)
  9656. autoneg_val |= (1<<8);
  9657. bnx2x_cl22_write(bp, phy,
  9658. MDIO_PMA_REG_CTRL, autoneg_val);
  9659. return 0;
  9660. }
  9661. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9662. struct link_params *params, u8 mode)
  9663. {
  9664. struct bnx2x *bp = params->bp;
  9665. u16 temp;
  9666. bnx2x_cl22_write(bp, phy,
  9667. MDIO_REG_GPHY_SHADOW,
  9668. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9669. bnx2x_cl22_read(bp, phy,
  9670. MDIO_REG_GPHY_SHADOW,
  9671. &temp);
  9672. temp &= 0xff00;
  9673. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9674. switch (mode) {
  9675. case LED_MODE_FRONT_PANEL_OFF:
  9676. case LED_MODE_OFF:
  9677. temp |= 0x00ee;
  9678. break;
  9679. case LED_MODE_OPER:
  9680. temp |= 0x0001;
  9681. break;
  9682. case LED_MODE_ON:
  9683. temp |= 0x00ff;
  9684. break;
  9685. default:
  9686. break;
  9687. }
  9688. bnx2x_cl22_write(bp, phy,
  9689. MDIO_REG_GPHY_SHADOW,
  9690. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9691. return;
  9692. }
  9693. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9694. struct link_params *params)
  9695. {
  9696. struct bnx2x *bp = params->bp;
  9697. u32 cfg_pin;
  9698. u8 port;
  9699. /* In case of no EPIO routed to reset the GPHY, put it
  9700. * in low power mode.
  9701. */
  9702. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9703. /* This works with E3 only, no need to check the chip
  9704. * before determining the port.
  9705. */
  9706. port = params->port;
  9707. cfg_pin = (REG_RD(bp, params->shmem_base +
  9708. offsetof(struct shmem_region,
  9709. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9710. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9711. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9712. /* Drive pin low to put GPHY in reset. */
  9713. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9714. }
  9715. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9716. struct link_params *params,
  9717. struct link_vars *vars)
  9718. {
  9719. struct bnx2x *bp = params->bp;
  9720. u16 val;
  9721. u8 link_up = 0;
  9722. u16 legacy_status, legacy_speed;
  9723. /* Get speed operation status */
  9724. bnx2x_cl22_read(bp, phy,
  9725. MDIO_REG_GPHY_AUX_STATUS,
  9726. &legacy_status);
  9727. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9728. /* Read status to clear the PHY interrupt. */
  9729. bnx2x_cl22_read(bp, phy,
  9730. MDIO_REG_INTR_STATUS,
  9731. &val);
  9732. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9733. if (link_up) {
  9734. legacy_speed = (legacy_status & (7<<8));
  9735. if (legacy_speed == (7<<8)) {
  9736. vars->line_speed = SPEED_1000;
  9737. vars->duplex = DUPLEX_FULL;
  9738. } else if (legacy_speed == (6<<8)) {
  9739. vars->line_speed = SPEED_1000;
  9740. vars->duplex = DUPLEX_HALF;
  9741. } else if (legacy_speed == (5<<8)) {
  9742. vars->line_speed = SPEED_100;
  9743. vars->duplex = DUPLEX_FULL;
  9744. }
  9745. /* Omitting 100Base-T4 for now */
  9746. else if (legacy_speed == (3<<8)) {
  9747. vars->line_speed = SPEED_100;
  9748. vars->duplex = DUPLEX_HALF;
  9749. } else if (legacy_speed == (2<<8)) {
  9750. vars->line_speed = SPEED_10;
  9751. vars->duplex = DUPLEX_FULL;
  9752. } else if (legacy_speed == (1<<8)) {
  9753. vars->line_speed = SPEED_10;
  9754. vars->duplex = DUPLEX_HALF;
  9755. } else /* Should not happen */
  9756. vars->line_speed = 0;
  9757. DP(NETIF_MSG_LINK,
  9758. "Link is up in %dMbps, is_duplex_full= %d\n",
  9759. vars->line_speed,
  9760. (vars->duplex == DUPLEX_FULL));
  9761. /* Check legacy speed AN resolution */
  9762. bnx2x_cl22_read(bp, phy,
  9763. 0x01,
  9764. &val);
  9765. if (val & (1<<5))
  9766. vars->link_status |=
  9767. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9768. bnx2x_cl22_read(bp, phy,
  9769. 0x06,
  9770. &val);
  9771. if ((val & (1<<0)) == 0)
  9772. vars->link_status |=
  9773. LINK_STATUS_PARALLEL_DETECTION_USED;
  9774. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9775. vars->line_speed);
  9776. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9777. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9778. /* Report LP advertised speeds */
  9779. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9780. if (val & (1<<5))
  9781. vars->link_status |=
  9782. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9783. if (val & (1<<6))
  9784. vars->link_status |=
  9785. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9786. if (val & (1<<7))
  9787. vars->link_status |=
  9788. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9789. if (val & (1<<8))
  9790. vars->link_status |=
  9791. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9792. if (val & (1<<9))
  9793. vars->link_status |=
  9794. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9795. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9796. if (val & (1<<10))
  9797. vars->link_status |=
  9798. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9799. if (val & (1<<11))
  9800. vars->link_status |=
  9801. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9802. if ((phy->flags & FLAGS_EEE) &&
  9803. bnx2x_eee_has_cap(params))
  9804. bnx2x_eee_an_resolve(phy, params, vars);
  9805. }
  9806. }
  9807. return link_up;
  9808. }
  9809. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9810. struct link_params *params)
  9811. {
  9812. struct bnx2x *bp = params->bp;
  9813. u16 val;
  9814. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9815. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9816. /* Enable master/slave manual mmode and set to master */
  9817. /* mii write 9 [bits set 11 12] */
  9818. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9819. /* forced 1G and disable autoneg */
  9820. /* set val [mii read 0] */
  9821. /* set val [expr $val & [bits clear 6 12 13]] */
  9822. /* set val [expr $val | [bits set 6 8]] */
  9823. /* mii write 0 $val */
  9824. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9825. val &= ~((1<<6) | (1<<12) | (1<<13));
  9826. val |= (1<<6) | (1<<8);
  9827. bnx2x_cl22_write(bp, phy, 0x00, val);
  9828. /* Set external loopback and Tx using 6dB coding */
  9829. /* mii write 0x18 7 */
  9830. /* set val [mii read 0x18] */
  9831. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9832. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9833. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9834. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9835. /* This register opens the gate for the UMAC despite its name */
  9836. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9837. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9838. * length used by the MAC receive logic to check frames.
  9839. */
  9840. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9841. }
  9842. /******************************************************************/
  9843. /* SFX7101 PHY SECTION */
  9844. /******************************************************************/
  9845. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9846. struct link_params *params)
  9847. {
  9848. struct bnx2x *bp = params->bp;
  9849. /* SFX7101_XGXS_TEST1 */
  9850. bnx2x_cl45_write(bp, phy,
  9851. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9852. }
  9853. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9854. struct link_params *params,
  9855. struct link_vars *vars)
  9856. {
  9857. u16 fw_ver1, fw_ver2, val;
  9858. struct bnx2x *bp = params->bp;
  9859. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9860. /* Restore normal power mode*/
  9861. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9862. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9863. /* HW reset */
  9864. bnx2x_ext_phy_hw_reset(bp, params->port);
  9865. bnx2x_wait_reset_complete(bp, phy, params);
  9866. bnx2x_cl45_write(bp, phy,
  9867. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9868. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9869. bnx2x_cl45_write(bp, phy,
  9870. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9871. bnx2x_ext_phy_set_pause(params, phy, vars);
  9872. /* Restart autoneg */
  9873. bnx2x_cl45_read(bp, phy,
  9874. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9875. val |= 0x200;
  9876. bnx2x_cl45_write(bp, phy,
  9877. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9878. /* Save spirom version */
  9879. bnx2x_cl45_read(bp, phy,
  9880. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9881. bnx2x_cl45_read(bp, phy,
  9882. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9883. bnx2x_save_spirom_version(bp, params->port,
  9884. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9885. return 0;
  9886. }
  9887. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9888. struct link_params *params,
  9889. struct link_vars *vars)
  9890. {
  9891. struct bnx2x *bp = params->bp;
  9892. u8 link_up;
  9893. u16 val1, val2;
  9894. bnx2x_cl45_read(bp, phy,
  9895. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9896. bnx2x_cl45_read(bp, phy,
  9897. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9898. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9899. val2, val1);
  9900. bnx2x_cl45_read(bp, phy,
  9901. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9902. bnx2x_cl45_read(bp, phy,
  9903. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9904. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9905. val2, val1);
  9906. link_up = ((val1 & 4) == 4);
  9907. /* If link is up print the AN outcome of the SFX7101 PHY */
  9908. if (link_up) {
  9909. bnx2x_cl45_read(bp, phy,
  9910. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9911. &val2);
  9912. vars->line_speed = SPEED_10000;
  9913. vars->duplex = DUPLEX_FULL;
  9914. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9915. val2, (val2 & (1<<14)));
  9916. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9917. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9918. /* Read LP advertised speeds */
  9919. if (val2 & (1<<11))
  9920. vars->link_status |=
  9921. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9922. }
  9923. return link_up;
  9924. }
  9925. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9926. {
  9927. if (*len < 5)
  9928. return -EINVAL;
  9929. str[0] = (spirom_ver & 0xFF);
  9930. str[1] = (spirom_ver & 0xFF00) >> 8;
  9931. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9932. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9933. str[4] = '\0';
  9934. *len -= 5;
  9935. return 0;
  9936. }
  9937. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9938. {
  9939. u16 val, cnt;
  9940. bnx2x_cl45_read(bp, phy,
  9941. MDIO_PMA_DEVAD,
  9942. MDIO_PMA_REG_7101_RESET, &val);
  9943. for (cnt = 0; cnt < 10; cnt++) {
  9944. msleep(50);
  9945. /* Writes a self-clearing reset */
  9946. bnx2x_cl45_write(bp, phy,
  9947. MDIO_PMA_DEVAD,
  9948. MDIO_PMA_REG_7101_RESET,
  9949. (val | (1<<15)));
  9950. /* Wait for clear */
  9951. bnx2x_cl45_read(bp, phy,
  9952. MDIO_PMA_DEVAD,
  9953. MDIO_PMA_REG_7101_RESET, &val);
  9954. if ((val & (1<<15)) == 0)
  9955. break;
  9956. }
  9957. }
  9958. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9959. struct link_params *params) {
  9960. /* Low power mode is controlled by GPIO 2 */
  9961. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9962. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9963. /* The PHY reset is controlled by GPIO 1 */
  9964. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9965. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9966. }
  9967. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9968. struct link_params *params, u8 mode)
  9969. {
  9970. u16 val = 0;
  9971. struct bnx2x *bp = params->bp;
  9972. switch (mode) {
  9973. case LED_MODE_FRONT_PANEL_OFF:
  9974. case LED_MODE_OFF:
  9975. val = 2;
  9976. break;
  9977. case LED_MODE_ON:
  9978. val = 1;
  9979. break;
  9980. case LED_MODE_OPER:
  9981. val = 0;
  9982. break;
  9983. }
  9984. bnx2x_cl45_write(bp, phy,
  9985. MDIO_PMA_DEVAD,
  9986. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9987. val);
  9988. }
  9989. /******************************************************************/
  9990. /* STATIC PHY DECLARATION */
  9991. /******************************************************************/
  9992. static const struct bnx2x_phy phy_null = {
  9993. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9994. .addr = 0,
  9995. .def_md_devad = 0,
  9996. .flags = FLAGS_INIT_XGXS_FIRST,
  9997. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9998. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9999. .mdio_ctrl = 0,
  10000. .supported = 0,
  10001. .media_type = ETH_PHY_NOT_PRESENT,
  10002. .ver_addr = 0,
  10003. .req_flow_ctrl = 0,
  10004. .req_line_speed = 0,
  10005. .speed_cap_mask = 0,
  10006. .req_duplex = 0,
  10007. .rsrv = 0,
  10008. .config_init = (config_init_t)NULL,
  10009. .read_status = (read_status_t)NULL,
  10010. .link_reset = (link_reset_t)NULL,
  10011. .config_loopback = (config_loopback_t)NULL,
  10012. .format_fw_ver = (format_fw_ver_t)NULL,
  10013. .hw_reset = (hw_reset_t)NULL,
  10014. .set_link_led = (set_link_led_t)NULL,
  10015. .phy_specific_func = (phy_specific_func_t)NULL
  10016. };
  10017. static const struct bnx2x_phy phy_serdes = {
  10018. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10019. .addr = 0xff,
  10020. .def_md_devad = 0,
  10021. .flags = 0,
  10022. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10023. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10024. .mdio_ctrl = 0,
  10025. .supported = (SUPPORTED_10baseT_Half |
  10026. SUPPORTED_10baseT_Full |
  10027. SUPPORTED_100baseT_Half |
  10028. SUPPORTED_100baseT_Full |
  10029. SUPPORTED_1000baseT_Full |
  10030. SUPPORTED_2500baseX_Full |
  10031. SUPPORTED_TP |
  10032. SUPPORTED_Autoneg |
  10033. SUPPORTED_Pause |
  10034. SUPPORTED_Asym_Pause),
  10035. .media_type = ETH_PHY_BASE_T,
  10036. .ver_addr = 0,
  10037. .req_flow_ctrl = 0,
  10038. .req_line_speed = 0,
  10039. .speed_cap_mask = 0,
  10040. .req_duplex = 0,
  10041. .rsrv = 0,
  10042. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10043. .read_status = (read_status_t)bnx2x_link_settings_status,
  10044. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10045. .config_loopback = (config_loopback_t)NULL,
  10046. .format_fw_ver = (format_fw_ver_t)NULL,
  10047. .hw_reset = (hw_reset_t)NULL,
  10048. .set_link_led = (set_link_led_t)NULL,
  10049. .phy_specific_func = (phy_specific_func_t)NULL
  10050. };
  10051. static const struct bnx2x_phy phy_xgxs = {
  10052. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10053. .addr = 0xff,
  10054. .def_md_devad = 0,
  10055. .flags = 0,
  10056. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10057. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10058. .mdio_ctrl = 0,
  10059. .supported = (SUPPORTED_10baseT_Half |
  10060. SUPPORTED_10baseT_Full |
  10061. SUPPORTED_100baseT_Half |
  10062. SUPPORTED_100baseT_Full |
  10063. SUPPORTED_1000baseT_Full |
  10064. SUPPORTED_2500baseX_Full |
  10065. SUPPORTED_10000baseT_Full |
  10066. SUPPORTED_FIBRE |
  10067. SUPPORTED_Autoneg |
  10068. SUPPORTED_Pause |
  10069. SUPPORTED_Asym_Pause),
  10070. .media_type = ETH_PHY_CX4,
  10071. .ver_addr = 0,
  10072. .req_flow_ctrl = 0,
  10073. .req_line_speed = 0,
  10074. .speed_cap_mask = 0,
  10075. .req_duplex = 0,
  10076. .rsrv = 0,
  10077. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10078. .read_status = (read_status_t)bnx2x_link_settings_status,
  10079. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10080. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10081. .format_fw_ver = (format_fw_ver_t)NULL,
  10082. .hw_reset = (hw_reset_t)NULL,
  10083. .set_link_led = (set_link_led_t)NULL,
  10084. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10085. };
  10086. static const struct bnx2x_phy phy_warpcore = {
  10087. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10088. .addr = 0xff,
  10089. .def_md_devad = 0,
  10090. .flags = FLAGS_TX_ERROR_CHECK,
  10091. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10092. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10093. .mdio_ctrl = 0,
  10094. .supported = (SUPPORTED_10baseT_Half |
  10095. SUPPORTED_10baseT_Full |
  10096. SUPPORTED_100baseT_Half |
  10097. SUPPORTED_100baseT_Full |
  10098. SUPPORTED_1000baseT_Full |
  10099. SUPPORTED_10000baseT_Full |
  10100. SUPPORTED_20000baseKR2_Full |
  10101. SUPPORTED_20000baseMLD2_Full |
  10102. SUPPORTED_FIBRE |
  10103. SUPPORTED_Autoneg |
  10104. SUPPORTED_Pause |
  10105. SUPPORTED_Asym_Pause),
  10106. .media_type = ETH_PHY_UNSPECIFIED,
  10107. .ver_addr = 0,
  10108. .req_flow_ctrl = 0,
  10109. .req_line_speed = 0,
  10110. .speed_cap_mask = 0,
  10111. /* req_duplex = */0,
  10112. /* rsrv = */0,
  10113. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10114. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10115. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10116. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10117. .format_fw_ver = (format_fw_ver_t)NULL,
  10118. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10119. .set_link_led = (set_link_led_t)NULL,
  10120. .phy_specific_func = (phy_specific_func_t)NULL
  10121. };
  10122. static const struct bnx2x_phy phy_7101 = {
  10123. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10124. .addr = 0xff,
  10125. .def_md_devad = 0,
  10126. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10127. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10128. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10129. .mdio_ctrl = 0,
  10130. .supported = (SUPPORTED_10000baseT_Full |
  10131. SUPPORTED_TP |
  10132. SUPPORTED_Autoneg |
  10133. SUPPORTED_Pause |
  10134. SUPPORTED_Asym_Pause),
  10135. .media_type = ETH_PHY_BASE_T,
  10136. .ver_addr = 0,
  10137. .req_flow_ctrl = 0,
  10138. .req_line_speed = 0,
  10139. .speed_cap_mask = 0,
  10140. .req_duplex = 0,
  10141. .rsrv = 0,
  10142. .config_init = (config_init_t)bnx2x_7101_config_init,
  10143. .read_status = (read_status_t)bnx2x_7101_read_status,
  10144. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10145. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10146. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10147. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10148. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10149. .phy_specific_func = (phy_specific_func_t)NULL
  10150. };
  10151. static const struct bnx2x_phy phy_8073 = {
  10152. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10153. .addr = 0xff,
  10154. .def_md_devad = 0,
  10155. .flags = 0,
  10156. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10157. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10158. .mdio_ctrl = 0,
  10159. .supported = (SUPPORTED_10000baseT_Full |
  10160. SUPPORTED_2500baseX_Full |
  10161. SUPPORTED_1000baseT_Full |
  10162. SUPPORTED_FIBRE |
  10163. SUPPORTED_Autoneg |
  10164. SUPPORTED_Pause |
  10165. SUPPORTED_Asym_Pause),
  10166. .media_type = ETH_PHY_KR,
  10167. .ver_addr = 0,
  10168. .req_flow_ctrl = 0,
  10169. .req_line_speed = 0,
  10170. .speed_cap_mask = 0,
  10171. .req_duplex = 0,
  10172. .rsrv = 0,
  10173. .config_init = (config_init_t)bnx2x_8073_config_init,
  10174. .read_status = (read_status_t)bnx2x_8073_read_status,
  10175. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10176. .config_loopback = (config_loopback_t)NULL,
  10177. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10178. .hw_reset = (hw_reset_t)NULL,
  10179. .set_link_led = (set_link_led_t)NULL,
  10180. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10181. };
  10182. static const struct bnx2x_phy phy_8705 = {
  10183. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10184. .addr = 0xff,
  10185. .def_md_devad = 0,
  10186. .flags = FLAGS_INIT_XGXS_FIRST,
  10187. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10188. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10189. .mdio_ctrl = 0,
  10190. .supported = (SUPPORTED_10000baseT_Full |
  10191. SUPPORTED_FIBRE |
  10192. SUPPORTED_Pause |
  10193. SUPPORTED_Asym_Pause),
  10194. .media_type = ETH_PHY_XFP_FIBER,
  10195. .ver_addr = 0,
  10196. .req_flow_ctrl = 0,
  10197. .req_line_speed = 0,
  10198. .speed_cap_mask = 0,
  10199. .req_duplex = 0,
  10200. .rsrv = 0,
  10201. .config_init = (config_init_t)bnx2x_8705_config_init,
  10202. .read_status = (read_status_t)bnx2x_8705_read_status,
  10203. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10204. .config_loopback = (config_loopback_t)NULL,
  10205. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10206. .hw_reset = (hw_reset_t)NULL,
  10207. .set_link_led = (set_link_led_t)NULL,
  10208. .phy_specific_func = (phy_specific_func_t)NULL
  10209. };
  10210. static const struct bnx2x_phy phy_8706 = {
  10211. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10212. .addr = 0xff,
  10213. .def_md_devad = 0,
  10214. .flags = FLAGS_INIT_XGXS_FIRST,
  10215. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10216. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10217. .mdio_ctrl = 0,
  10218. .supported = (SUPPORTED_10000baseT_Full |
  10219. SUPPORTED_1000baseT_Full |
  10220. SUPPORTED_FIBRE |
  10221. SUPPORTED_Pause |
  10222. SUPPORTED_Asym_Pause),
  10223. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10224. .ver_addr = 0,
  10225. .req_flow_ctrl = 0,
  10226. .req_line_speed = 0,
  10227. .speed_cap_mask = 0,
  10228. .req_duplex = 0,
  10229. .rsrv = 0,
  10230. .config_init = (config_init_t)bnx2x_8706_config_init,
  10231. .read_status = (read_status_t)bnx2x_8706_read_status,
  10232. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10233. .config_loopback = (config_loopback_t)NULL,
  10234. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10235. .hw_reset = (hw_reset_t)NULL,
  10236. .set_link_led = (set_link_led_t)NULL,
  10237. .phy_specific_func = (phy_specific_func_t)NULL
  10238. };
  10239. static const struct bnx2x_phy phy_8726 = {
  10240. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10241. .addr = 0xff,
  10242. .def_md_devad = 0,
  10243. .flags = (FLAGS_INIT_XGXS_FIRST |
  10244. FLAGS_TX_ERROR_CHECK),
  10245. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10246. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10247. .mdio_ctrl = 0,
  10248. .supported = (SUPPORTED_10000baseT_Full |
  10249. SUPPORTED_1000baseT_Full |
  10250. SUPPORTED_Autoneg |
  10251. SUPPORTED_FIBRE |
  10252. SUPPORTED_Pause |
  10253. SUPPORTED_Asym_Pause),
  10254. .media_type = ETH_PHY_NOT_PRESENT,
  10255. .ver_addr = 0,
  10256. .req_flow_ctrl = 0,
  10257. .req_line_speed = 0,
  10258. .speed_cap_mask = 0,
  10259. .req_duplex = 0,
  10260. .rsrv = 0,
  10261. .config_init = (config_init_t)bnx2x_8726_config_init,
  10262. .read_status = (read_status_t)bnx2x_8726_read_status,
  10263. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10264. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10265. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10266. .hw_reset = (hw_reset_t)NULL,
  10267. .set_link_led = (set_link_led_t)NULL,
  10268. .phy_specific_func = (phy_specific_func_t)NULL
  10269. };
  10270. static const struct bnx2x_phy phy_8727 = {
  10271. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10272. .addr = 0xff,
  10273. .def_md_devad = 0,
  10274. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10275. FLAGS_TX_ERROR_CHECK),
  10276. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10277. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10278. .mdio_ctrl = 0,
  10279. .supported = (SUPPORTED_10000baseT_Full |
  10280. SUPPORTED_1000baseT_Full |
  10281. SUPPORTED_FIBRE |
  10282. SUPPORTED_Pause |
  10283. SUPPORTED_Asym_Pause),
  10284. .media_type = ETH_PHY_NOT_PRESENT,
  10285. .ver_addr = 0,
  10286. .req_flow_ctrl = 0,
  10287. .req_line_speed = 0,
  10288. .speed_cap_mask = 0,
  10289. .req_duplex = 0,
  10290. .rsrv = 0,
  10291. .config_init = (config_init_t)bnx2x_8727_config_init,
  10292. .read_status = (read_status_t)bnx2x_8727_read_status,
  10293. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10294. .config_loopback = (config_loopback_t)NULL,
  10295. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10296. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10297. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10298. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10299. };
  10300. static const struct bnx2x_phy phy_8481 = {
  10301. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10302. .addr = 0xff,
  10303. .def_md_devad = 0,
  10304. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10305. FLAGS_REARM_LATCH_SIGNAL,
  10306. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10307. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10308. .mdio_ctrl = 0,
  10309. .supported = (SUPPORTED_10baseT_Half |
  10310. SUPPORTED_10baseT_Full |
  10311. SUPPORTED_100baseT_Half |
  10312. SUPPORTED_100baseT_Full |
  10313. SUPPORTED_1000baseT_Full |
  10314. SUPPORTED_10000baseT_Full |
  10315. SUPPORTED_TP |
  10316. SUPPORTED_Autoneg |
  10317. SUPPORTED_Pause |
  10318. SUPPORTED_Asym_Pause),
  10319. .media_type = ETH_PHY_BASE_T,
  10320. .ver_addr = 0,
  10321. .req_flow_ctrl = 0,
  10322. .req_line_speed = 0,
  10323. .speed_cap_mask = 0,
  10324. .req_duplex = 0,
  10325. .rsrv = 0,
  10326. .config_init = (config_init_t)bnx2x_8481_config_init,
  10327. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10328. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10329. .config_loopback = (config_loopback_t)NULL,
  10330. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10331. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10332. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10333. .phy_specific_func = (phy_specific_func_t)NULL
  10334. };
  10335. static const struct bnx2x_phy phy_84823 = {
  10336. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10337. .addr = 0xff,
  10338. .def_md_devad = 0,
  10339. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10340. FLAGS_REARM_LATCH_SIGNAL |
  10341. FLAGS_TX_ERROR_CHECK),
  10342. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10343. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10344. .mdio_ctrl = 0,
  10345. .supported = (SUPPORTED_10baseT_Half |
  10346. SUPPORTED_10baseT_Full |
  10347. SUPPORTED_100baseT_Half |
  10348. SUPPORTED_100baseT_Full |
  10349. SUPPORTED_1000baseT_Full |
  10350. SUPPORTED_10000baseT_Full |
  10351. SUPPORTED_TP |
  10352. SUPPORTED_Autoneg |
  10353. SUPPORTED_Pause |
  10354. SUPPORTED_Asym_Pause),
  10355. .media_type = ETH_PHY_BASE_T,
  10356. .ver_addr = 0,
  10357. .req_flow_ctrl = 0,
  10358. .req_line_speed = 0,
  10359. .speed_cap_mask = 0,
  10360. .req_duplex = 0,
  10361. .rsrv = 0,
  10362. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10363. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10364. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10365. .config_loopback = (config_loopback_t)NULL,
  10366. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10367. .hw_reset = (hw_reset_t)NULL,
  10368. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10369. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10370. };
  10371. static const struct bnx2x_phy phy_84833 = {
  10372. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10373. .addr = 0xff,
  10374. .def_md_devad = 0,
  10375. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10376. FLAGS_REARM_LATCH_SIGNAL |
  10377. FLAGS_TX_ERROR_CHECK),
  10378. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10379. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10380. .mdio_ctrl = 0,
  10381. .supported = (SUPPORTED_100baseT_Half |
  10382. SUPPORTED_100baseT_Full |
  10383. SUPPORTED_1000baseT_Full |
  10384. SUPPORTED_10000baseT_Full |
  10385. SUPPORTED_TP |
  10386. SUPPORTED_Autoneg |
  10387. SUPPORTED_Pause |
  10388. SUPPORTED_Asym_Pause),
  10389. .media_type = ETH_PHY_BASE_T,
  10390. .ver_addr = 0,
  10391. .req_flow_ctrl = 0,
  10392. .req_line_speed = 0,
  10393. .speed_cap_mask = 0,
  10394. .req_duplex = 0,
  10395. .rsrv = 0,
  10396. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10397. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10398. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10399. .config_loopback = (config_loopback_t)NULL,
  10400. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10401. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10402. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10403. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10404. };
  10405. static const struct bnx2x_phy phy_84834 = {
  10406. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10407. .addr = 0xff,
  10408. .def_md_devad = 0,
  10409. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10410. FLAGS_REARM_LATCH_SIGNAL,
  10411. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10412. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10413. .mdio_ctrl = 0,
  10414. .supported = (SUPPORTED_100baseT_Half |
  10415. SUPPORTED_100baseT_Full |
  10416. SUPPORTED_1000baseT_Full |
  10417. SUPPORTED_10000baseT_Full |
  10418. SUPPORTED_TP |
  10419. SUPPORTED_Autoneg |
  10420. SUPPORTED_Pause |
  10421. SUPPORTED_Asym_Pause),
  10422. .media_type = ETH_PHY_BASE_T,
  10423. .ver_addr = 0,
  10424. .req_flow_ctrl = 0,
  10425. .req_line_speed = 0,
  10426. .speed_cap_mask = 0,
  10427. .req_duplex = 0,
  10428. .rsrv = 0,
  10429. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10430. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10431. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10432. .config_loopback = (config_loopback_t)NULL,
  10433. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10434. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10435. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10436. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10437. };
  10438. static const struct bnx2x_phy phy_54618se = {
  10439. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10440. .addr = 0xff,
  10441. .def_md_devad = 0,
  10442. .flags = FLAGS_INIT_XGXS_FIRST,
  10443. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10444. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10445. .mdio_ctrl = 0,
  10446. .supported = (SUPPORTED_10baseT_Half |
  10447. SUPPORTED_10baseT_Full |
  10448. SUPPORTED_100baseT_Half |
  10449. SUPPORTED_100baseT_Full |
  10450. SUPPORTED_1000baseT_Full |
  10451. SUPPORTED_TP |
  10452. SUPPORTED_Autoneg |
  10453. SUPPORTED_Pause |
  10454. SUPPORTED_Asym_Pause),
  10455. .media_type = ETH_PHY_BASE_T,
  10456. .ver_addr = 0,
  10457. .req_flow_ctrl = 0,
  10458. .req_line_speed = 0,
  10459. .speed_cap_mask = 0,
  10460. /* req_duplex = */0,
  10461. /* rsrv = */0,
  10462. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10463. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10464. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10465. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10466. .format_fw_ver = (format_fw_ver_t)NULL,
  10467. .hw_reset = (hw_reset_t)NULL,
  10468. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10469. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10470. };
  10471. /*****************************************************************/
  10472. /* */
  10473. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10474. /* */
  10475. /*****************************************************************/
  10476. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10477. struct bnx2x_phy *phy, u8 port,
  10478. u8 phy_index)
  10479. {
  10480. /* Get the 4 lanes xgxs config rx and tx */
  10481. u32 rx = 0, tx = 0, i;
  10482. for (i = 0; i < 2; i++) {
  10483. /* INT_PHY and EXT_PHY1 share the same value location in
  10484. * the shmem. When num_phys is greater than 1, than this value
  10485. * applies only to EXT_PHY1
  10486. */
  10487. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10488. rx = REG_RD(bp, shmem_base +
  10489. offsetof(struct shmem_region,
  10490. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10491. tx = REG_RD(bp, shmem_base +
  10492. offsetof(struct shmem_region,
  10493. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10494. } else {
  10495. rx = REG_RD(bp, shmem_base +
  10496. offsetof(struct shmem_region,
  10497. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10498. tx = REG_RD(bp, shmem_base +
  10499. offsetof(struct shmem_region,
  10500. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10501. }
  10502. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10503. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10504. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10505. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10506. }
  10507. }
  10508. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10509. u8 phy_index, u8 port)
  10510. {
  10511. u32 ext_phy_config = 0;
  10512. switch (phy_index) {
  10513. case EXT_PHY1:
  10514. ext_phy_config = REG_RD(bp, shmem_base +
  10515. offsetof(struct shmem_region,
  10516. dev_info.port_hw_config[port].external_phy_config));
  10517. break;
  10518. case EXT_PHY2:
  10519. ext_phy_config = REG_RD(bp, shmem_base +
  10520. offsetof(struct shmem_region,
  10521. dev_info.port_hw_config[port].external_phy_config2));
  10522. break;
  10523. default:
  10524. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10525. return -EINVAL;
  10526. }
  10527. return ext_phy_config;
  10528. }
  10529. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10530. struct bnx2x_phy *phy)
  10531. {
  10532. u32 phy_addr;
  10533. u32 chip_id;
  10534. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10535. offsetof(struct shmem_region,
  10536. dev_info.port_feature_config[port].link_config)) &
  10537. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10538. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10539. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10540. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10541. if (USES_WARPCORE(bp)) {
  10542. u32 serdes_net_if;
  10543. phy_addr = REG_RD(bp,
  10544. MISC_REG_WC0_CTRL_PHY_ADDR);
  10545. *phy = phy_warpcore;
  10546. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10547. phy->flags |= FLAGS_4_PORT_MODE;
  10548. else
  10549. phy->flags &= ~FLAGS_4_PORT_MODE;
  10550. /* Check Dual mode */
  10551. serdes_net_if = (REG_RD(bp, shmem_base +
  10552. offsetof(struct shmem_region, dev_info.
  10553. port_hw_config[port].default_cfg)) &
  10554. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10555. /* Set the appropriate supported and flags indications per
  10556. * interface type of the chip
  10557. */
  10558. switch (serdes_net_if) {
  10559. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10560. phy->supported &= (SUPPORTED_10baseT_Half |
  10561. SUPPORTED_10baseT_Full |
  10562. SUPPORTED_100baseT_Half |
  10563. SUPPORTED_100baseT_Full |
  10564. SUPPORTED_1000baseT_Full |
  10565. SUPPORTED_FIBRE |
  10566. SUPPORTED_Autoneg |
  10567. SUPPORTED_Pause |
  10568. SUPPORTED_Asym_Pause);
  10569. phy->media_type = ETH_PHY_BASE_T;
  10570. break;
  10571. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10572. phy->supported &= (SUPPORTED_1000baseT_Full |
  10573. SUPPORTED_10000baseT_Full |
  10574. SUPPORTED_FIBRE |
  10575. SUPPORTED_Pause |
  10576. SUPPORTED_Asym_Pause);
  10577. phy->media_type = ETH_PHY_XFP_FIBER;
  10578. break;
  10579. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10580. phy->supported &= (SUPPORTED_1000baseT_Full |
  10581. SUPPORTED_10000baseT_Full |
  10582. SUPPORTED_FIBRE |
  10583. SUPPORTED_Pause |
  10584. SUPPORTED_Asym_Pause);
  10585. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10586. break;
  10587. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10588. phy->media_type = ETH_PHY_KR;
  10589. phy->supported &= (SUPPORTED_1000baseT_Full |
  10590. SUPPORTED_10000baseT_Full |
  10591. SUPPORTED_FIBRE |
  10592. SUPPORTED_Autoneg |
  10593. SUPPORTED_Pause |
  10594. SUPPORTED_Asym_Pause);
  10595. break;
  10596. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10597. phy->media_type = ETH_PHY_KR;
  10598. phy->flags |= FLAGS_WC_DUAL_MODE;
  10599. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10600. SUPPORTED_FIBRE |
  10601. SUPPORTED_Pause |
  10602. SUPPORTED_Asym_Pause);
  10603. break;
  10604. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10605. phy->media_type = ETH_PHY_KR;
  10606. phy->flags |= FLAGS_WC_DUAL_MODE;
  10607. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10608. SUPPORTED_10000baseT_Full |
  10609. SUPPORTED_1000baseT_Full |
  10610. SUPPORTED_Autoneg |
  10611. SUPPORTED_FIBRE |
  10612. SUPPORTED_Pause |
  10613. SUPPORTED_Asym_Pause);
  10614. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10615. break;
  10616. default:
  10617. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10618. serdes_net_if);
  10619. break;
  10620. }
  10621. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10622. * was not set as expected. For B0, ECO will be enabled so there
  10623. * won't be an issue there
  10624. */
  10625. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10626. phy->flags |= FLAGS_MDC_MDIO_WA;
  10627. else
  10628. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10629. } else {
  10630. switch (switch_cfg) {
  10631. case SWITCH_CFG_1G:
  10632. phy_addr = REG_RD(bp,
  10633. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10634. port * 0x10);
  10635. *phy = phy_serdes;
  10636. break;
  10637. case SWITCH_CFG_10G:
  10638. phy_addr = REG_RD(bp,
  10639. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10640. port * 0x18);
  10641. *phy = phy_xgxs;
  10642. break;
  10643. default:
  10644. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10645. return -EINVAL;
  10646. }
  10647. }
  10648. phy->addr = (u8)phy_addr;
  10649. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10650. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10651. port);
  10652. if (CHIP_IS_E2(bp))
  10653. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10654. else
  10655. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10656. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10657. port, phy->addr, phy->mdio_ctrl);
  10658. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10659. return 0;
  10660. }
  10661. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10662. u8 phy_index,
  10663. u32 shmem_base,
  10664. u32 shmem2_base,
  10665. u8 port,
  10666. struct bnx2x_phy *phy)
  10667. {
  10668. u32 ext_phy_config, phy_type, config2;
  10669. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10670. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10671. phy_index, port);
  10672. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10673. /* Select the phy type */
  10674. switch (phy_type) {
  10675. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10676. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10677. *phy = phy_8073;
  10678. break;
  10679. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10680. *phy = phy_8705;
  10681. break;
  10682. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10683. *phy = phy_8706;
  10684. break;
  10685. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10686. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10687. *phy = phy_8726;
  10688. break;
  10689. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10690. /* BCM8727_NOC => BCM8727 no over current */
  10691. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10692. *phy = phy_8727;
  10693. phy->flags |= FLAGS_NOC;
  10694. break;
  10695. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10697. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10698. *phy = phy_8727;
  10699. break;
  10700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10701. *phy = phy_8481;
  10702. break;
  10703. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10704. *phy = phy_84823;
  10705. break;
  10706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10707. *phy = phy_84833;
  10708. break;
  10709. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10710. *phy = phy_84834;
  10711. break;
  10712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10714. *phy = phy_54618se;
  10715. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10716. phy->flags |= FLAGS_EEE;
  10717. break;
  10718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10719. *phy = phy_7101;
  10720. break;
  10721. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10722. *phy = phy_null;
  10723. return -EINVAL;
  10724. default:
  10725. *phy = phy_null;
  10726. /* In case external PHY wasn't found */
  10727. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10728. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10729. return -EINVAL;
  10730. return 0;
  10731. }
  10732. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10733. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10734. /* The shmem address of the phy version is located on different
  10735. * structures. In case this structure is too old, do not set
  10736. * the address
  10737. */
  10738. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10739. dev_info.shared_hw_config.config2));
  10740. if (phy_index == EXT_PHY1) {
  10741. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10742. port_mb[port].ext_phy_fw_version);
  10743. /* Check specific mdc mdio settings */
  10744. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10745. mdc_mdio_access = config2 &
  10746. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10747. } else {
  10748. u32 size = REG_RD(bp, shmem2_base);
  10749. if (size >
  10750. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10751. phy->ver_addr = shmem2_base +
  10752. offsetof(struct shmem2_region,
  10753. ext_phy_fw_version2[port]);
  10754. }
  10755. /* Check specific mdc mdio settings */
  10756. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10757. mdc_mdio_access = (config2 &
  10758. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10759. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10760. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10761. }
  10762. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10763. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10764. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10765. (phy->ver_addr)) {
  10766. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10767. * version lower than or equal to 1.39
  10768. */
  10769. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10770. if (((raw_ver & 0x7F) <= 39) &&
  10771. (((raw_ver & 0xF80) >> 7) <= 1))
  10772. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10773. SUPPORTED_100baseT_Full);
  10774. }
  10775. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10776. phy_type, port, phy_index);
  10777. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10778. phy->addr, phy->mdio_ctrl);
  10779. return 0;
  10780. }
  10781. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10782. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10783. {
  10784. int status = 0;
  10785. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10786. if (phy_index == INT_PHY)
  10787. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10788. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10789. port, phy);
  10790. return status;
  10791. }
  10792. static void bnx2x_phy_def_cfg(struct link_params *params,
  10793. struct bnx2x_phy *phy,
  10794. u8 phy_index)
  10795. {
  10796. struct bnx2x *bp = params->bp;
  10797. u32 link_config;
  10798. /* Populate the default phy configuration for MF mode */
  10799. if (phy_index == EXT_PHY2) {
  10800. link_config = REG_RD(bp, params->shmem_base +
  10801. offsetof(struct shmem_region, dev_info.
  10802. port_feature_config[params->port].link_config2));
  10803. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10804. offsetof(struct shmem_region,
  10805. dev_info.
  10806. port_hw_config[params->port].speed_capability_mask2));
  10807. } else {
  10808. link_config = REG_RD(bp, params->shmem_base +
  10809. offsetof(struct shmem_region, dev_info.
  10810. port_feature_config[params->port].link_config));
  10811. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10812. offsetof(struct shmem_region,
  10813. dev_info.
  10814. port_hw_config[params->port].speed_capability_mask));
  10815. }
  10816. DP(NETIF_MSG_LINK,
  10817. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10818. phy_index, link_config, phy->speed_cap_mask);
  10819. phy->req_duplex = DUPLEX_FULL;
  10820. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10821. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10822. phy->req_duplex = DUPLEX_HALF;
  10823. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10824. phy->req_line_speed = SPEED_10;
  10825. break;
  10826. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10827. phy->req_duplex = DUPLEX_HALF;
  10828. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10829. phy->req_line_speed = SPEED_100;
  10830. break;
  10831. case PORT_FEATURE_LINK_SPEED_1G:
  10832. phy->req_line_speed = SPEED_1000;
  10833. break;
  10834. case PORT_FEATURE_LINK_SPEED_2_5G:
  10835. phy->req_line_speed = SPEED_2500;
  10836. break;
  10837. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10838. phy->req_line_speed = SPEED_10000;
  10839. break;
  10840. default:
  10841. phy->req_line_speed = SPEED_AUTO_NEG;
  10842. break;
  10843. }
  10844. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10845. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10846. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10847. break;
  10848. case PORT_FEATURE_FLOW_CONTROL_TX:
  10849. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10850. break;
  10851. case PORT_FEATURE_FLOW_CONTROL_RX:
  10852. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10853. break;
  10854. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10855. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10856. break;
  10857. default:
  10858. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10859. break;
  10860. }
  10861. }
  10862. u32 bnx2x_phy_selection(struct link_params *params)
  10863. {
  10864. u32 phy_config_swapped, prio_cfg;
  10865. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10866. phy_config_swapped = params->multi_phy_config &
  10867. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10868. prio_cfg = params->multi_phy_config &
  10869. PORT_HW_CFG_PHY_SELECTION_MASK;
  10870. if (phy_config_swapped) {
  10871. switch (prio_cfg) {
  10872. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10873. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10874. break;
  10875. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10876. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10877. break;
  10878. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10879. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10880. break;
  10881. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10882. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10883. break;
  10884. }
  10885. } else
  10886. return_cfg = prio_cfg;
  10887. return return_cfg;
  10888. }
  10889. int bnx2x_phy_probe(struct link_params *params)
  10890. {
  10891. u8 phy_index, actual_phy_idx;
  10892. u32 phy_config_swapped, sync_offset, media_types;
  10893. struct bnx2x *bp = params->bp;
  10894. struct bnx2x_phy *phy;
  10895. params->num_phys = 0;
  10896. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10897. phy_config_swapped = params->multi_phy_config &
  10898. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10899. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10900. phy_index++) {
  10901. actual_phy_idx = phy_index;
  10902. if (phy_config_swapped) {
  10903. if (phy_index == EXT_PHY1)
  10904. actual_phy_idx = EXT_PHY2;
  10905. else if (phy_index == EXT_PHY2)
  10906. actual_phy_idx = EXT_PHY1;
  10907. }
  10908. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10909. " actual_phy_idx %x\n", phy_config_swapped,
  10910. phy_index, actual_phy_idx);
  10911. phy = &params->phy[actual_phy_idx];
  10912. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10913. params->shmem2_base, params->port,
  10914. phy) != 0) {
  10915. params->num_phys = 0;
  10916. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10917. phy_index);
  10918. for (phy_index = INT_PHY;
  10919. phy_index < MAX_PHYS;
  10920. phy_index++)
  10921. *phy = phy_null;
  10922. return -EINVAL;
  10923. }
  10924. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10925. break;
  10926. if (params->feature_config_flags &
  10927. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10928. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10929. if (!(params->feature_config_flags &
  10930. FEATURE_CONFIG_MT_SUPPORT))
  10931. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10932. sync_offset = params->shmem_base +
  10933. offsetof(struct shmem_region,
  10934. dev_info.port_hw_config[params->port].media_type);
  10935. media_types = REG_RD(bp, sync_offset);
  10936. /* Update media type for non-PMF sync only for the first time
  10937. * In case the media type changes afterwards, it will be updated
  10938. * using the update_status function
  10939. */
  10940. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10941. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10942. actual_phy_idx))) == 0) {
  10943. media_types |= ((phy->media_type &
  10944. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10945. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10946. actual_phy_idx));
  10947. }
  10948. REG_WR(bp, sync_offset, media_types);
  10949. bnx2x_phy_def_cfg(params, phy, phy_index);
  10950. params->num_phys++;
  10951. }
  10952. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10953. return 0;
  10954. }
  10955. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10956. struct link_vars *vars)
  10957. {
  10958. struct bnx2x *bp = params->bp;
  10959. vars->link_up = 1;
  10960. vars->line_speed = SPEED_10000;
  10961. vars->duplex = DUPLEX_FULL;
  10962. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10963. vars->mac_type = MAC_TYPE_BMAC;
  10964. vars->phy_flags = PHY_XGXS_FLAG;
  10965. bnx2x_xgxs_deassert(params);
  10966. /* Set bmac loopback */
  10967. bnx2x_bmac_enable(params, vars, 1, 1);
  10968. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10969. }
  10970. static void bnx2x_init_emac_loopback(struct link_params *params,
  10971. struct link_vars *vars)
  10972. {
  10973. struct bnx2x *bp = params->bp;
  10974. vars->link_up = 1;
  10975. vars->line_speed = SPEED_1000;
  10976. vars->duplex = DUPLEX_FULL;
  10977. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10978. vars->mac_type = MAC_TYPE_EMAC;
  10979. vars->phy_flags = PHY_XGXS_FLAG;
  10980. bnx2x_xgxs_deassert(params);
  10981. /* Set bmac loopback */
  10982. bnx2x_emac_enable(params, vars, 1);
  10983. bnx2x_emac_program(params, vars);
  10984. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10985. }
  10986. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10987. struct link_vars *vars)
  10988. {
  10989. struct bnx2x *bp = params->bp;
  10990. vars->link_up = 1;
  10991. if (!params->req_line_speed[0])
  10992. vars->line_speed = SPEED_10000;
  10993. else
  10994. vars->line_speed = params->req_line_speed[0];
  10995. vars->duplex = DUPLEX_FULL;
  10996. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10997. vars->mac_type = MAC_TYPE_XMAC;
  10998. vars->phy_flags = PHY_XGXS_FLAG;
  10999. /* Set WC to loopback mode since link is required to provide clock
  11000. * to the XMAC in 20G mode
  11001. */
  11002. bnx2x_set_aer_mmd(params, &params->phy[0]);
  11003. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  11004. params->phy[INT_PHY].config_loopback(
  11005. &params->phy[INT_PHY],
  11006. params);
  11007. bnx2x_xmac_enable(params, vars, 1);
  11008. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11009. }
  11010. static void bnx2x_init_umac_loopback(struct link_params *params,
  11011. struct link_vars *vars)
  11012. {
  11013. struct bnx2x *bp = params->bp;
  11014. vars->link_up = 1;
  11015. vars->line_speed = SPEED_1000;
  11016. vars->duplex = DUPLEX_FULL;
  11017. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11018. vars->mac_type = MAC_TYPE_UMAC;
  11019. vars->phy_flags = PHY_XGXS_FLAG;
  11020. bnx2x_umac_enable(params, vars, 1);
  11021. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11022. }
  11023. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11024. struct link_vars *vars)
  11025. {
  11026. struct bnx2x *bp = params->bp;
  11027. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11028. vars->link_up = 1;
  11029. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11030. vars->duplex = DUPLEX_FULL;
  11031. if (params->req_line_speed[0] == SPEED_1000)
  11032. vars->line_speed = SPEED_1000;
  11033. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11034. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11035. vars->line_speed = SPEED_20000;
  11036. else
  11037. vars->line_speed = SPEED_10000;
  11038. if (!USES_WARPCORE(bp))
  11039. bnx2x_xgxs_deassert(params);
  11040. bnx2x_link_initialize(params, vars);
  11041. if (params->req_line_speed[0] == SPEED_1000) {
  11042. if (USES_WARPCORE(bp))
  11043. bnx2x_umac_enable(params, vars, 0);
  11044. else {
  11045. bnx2x_emac_program(params, vars);
  11046. bnx2x_emac_enable(params, vars, 0);
  11047. }
  11048. } else {
  11049. if (USES_WARPCORE(bp))
  11050. bnx2x_xmac_enable(params, vars, 0);
  11051. else
  11052. bnx2x_bmac_enable(params, vars, 0, 1);
  11053. }
  11054. if (params->loopback_mode == LOOPBACK_XGXS) {
  11055. /* Set 10G XGXS loopback */
  11056. int_phy->config_loopback(int_phy, params);
  11057. } else {
  11058. /* Set external phy loopback */
  11059. u8 phy_index;
  11060. for (phy_index = EXT_PHY1;
  11061. phy_index < params->num_phys; phy_index++)
  11062. if (params->phy[phy_index].config_loopback)
  11063. params->phy[phy_index].config_loopback(
  11064. &params->phy[phy_index],
  11065. params);
  11066. }
  11067. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11068. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11069. }
  11070. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11071. {
  11072. struct bnx2x *bp = params->bp;
  11073. u8 val = en * 0x1F;
  11074. /* Open / close the gate between the NIG and the BRB */
  11075. if (!CHIP_IS_E1x(bp))
  11076. val |= en * 0x20;
  11077. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11078. if (!CHIP_IS_E1(bp)) {
  11079. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11080. en*0x3);
  11081. }
  11082. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11083. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11084. }
  11085. static int bnx2x_avoid_link_flap(struct link_params *params,
  11086. struct link_vars *vars)
  11087. {
  11088. u32 phy_idx;
  11089. u32 dont_clear_stat, lfa_sts;
  11090. struct bnx2x *bp = params->bp;
  11091. bnx2x_set_mdio_emac_per_phy(bp, params);
  11092. /* Sync the link parameters */
  11093. bnx2x_link_status_update(params, vars);
  11094. /*
  11095. * The module verification was already done by previous link owner,
  11096. * so this call is meant only to get warning message
  11097. */
  11098. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11099. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11100. if (phy->phy_specific_func) {
  11101. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11102. phy->phy_specific_func(phy, params, PHY_INIT);
  11103. }
  11104. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11105. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11106. (phy->media_type == ETH_PHY_DA_TWINAX))
  11107. bnx2x_verify_sfp_module(phy, params);
  11108. }
  11109. lfa_sts = REG_RD(bp, params->lfa_base +
  11110. offsetof(struct shmem_lfa,
  11111. lfa_sts));
  11112. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11113. /* Re-enable the NIG/MAC */
  11114. if (CHIP_IS_E3(bp)) {
  11115. if (!dont_clear_stat) {
  11116. REG_WR(bp, GRCBASE_MISC +
  11117. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11118. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11119. params->port));
  11120. REG_WR(bp, GRCBASE_MISC +
  11121. MISC_REGISTERS_RESET_REG_2_SET,
  11122. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11123. params->port));
  11124. }
  11125. if (vars->line_speed < SPEED_10000)
  11126. bnx2x_umac_enable(params, vars, 0);
  11127. else
  11128. bnx2x_xmac_enable(params, vars, 0);
  11129. } else {
  11130. if (vars->line_speed < SPEED_10000)
  11131. bnx2x_emac_enable(params, vars, 0);
  11132. else
  11133. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11134. }
  11135. /* Increment LFA count */
  11136. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11137. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11138. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11139. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11140. /* Clear link flap reason */
  11141. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11142. REG_WR(bp, params->lfa_base +
  11143. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11144. /* Disable NIG DRAIN */
  11145. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11146. /* Enable interrupts */
  11147. bnx2x_link_int_enable(params);
  11148. return 0;
  11149. }
  11150. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11151. struct link_vars *vars,
  11152. int lfa_status)
  11153. {
  11154. u32 lfa_sts, cfg_idx, tmp_val;
  11155. struct bnx2x *bp = params->bp;
  11156. bnx2x_link_reset(params, vars, 1);
  11157. if (!params->lfa_base)
  11158. return;
  11159. /* Store the new link parameters */
  11160. REG_WR(bp, params->lfa_base +
  11161. offsetof(struct shmem_lfa, req_duplex),
  11162. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11163. REG_WR(bp, params->lfa_base +
  11164. offsetof(struct shmem_lfa, req_flow_ctrl),
  11165. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11166. REG_WR(bp, params->lfa_base +
  11167. offsetof(struct shmem_lfa, req_line_speed),
  11168. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11169. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11170. REG_WR(bp, params->lfa_base +
  11171. offsetof(struct shmem_lfa,
  11172. speed_cap_mask[cfg_idx]),
  11173. params->speed_cap_mask[cfg_idx]);
  11174. }
  11175. tmp_val = REG_RD(bp, params->lfa_base +
  11176. offsetof(struct shmem_lfa, additional_config));
  11177. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11178. tmp_val |= params->req_fc_auto_adv;
  11179. REG_WR(bp, params->lfa_base +
  11180. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11181. lfa_sts = REG_RD(bp, params->lfa_base +
  11182. offsetof(struct shmem_lfa, lfa_sts));
  11183. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11184. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11185. /* Set link flap reason */
  11186. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11187. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11188. LFA_LINK_FLAP_REASON_OFFSET);
  11189. /* Increment link flap counter */
  11190. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11191. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11192. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11193. << LINK_FLAP_COUNT_OFFSET));
  11194. REG_WR(bp, params->lfa_base +
  11195. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11196. /* Proceed with regular link initialization */
  11197. }
  11198. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11199. {
  11200. int lfa_status;
  11201. struct bnx2x *bp = params->bp;
  11202. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11203. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11204. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11205. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11206. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11207. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11208. vars->link_status = 0;
  11209. vars->phy_link_up = 0;
  11210. vars->link_up = 0;
  11211. vars->line_speed = 0;
  11212. vars->duplex = DUPLEX_FULL;
  11213. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11214. vars->mac_type = MAC_TYPE_NONE;
  11215. vars->phy_flags = 0;
  11216. vars->check_kr2_recovery_cnt = 0;
  11217. params->link_flags = PHY_INITIALIZED;
  11218. /* Driver opens NIG-BRB filters */
  11219. bnx2x_set_rx_filter(params, 1);
  11220. /* Check if link flap can be avoided */
  11221. lfa_status = bnx2x_check_lfa(params);
  11222. if (lfa_status == 0) {
  11223. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11224. return bnx2x_avoid_link_flap(params, vars);
  11225. }
  11226. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11227. lfa_status);
  11228. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11229. /* Disable attentions */
  11230. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11231. (NIG_MASK_XGXS0_LINK_STATUS |
  11232. NIG_MASK_XGXS0_LINK10G |
  11233. NIG_MASK_SERDES0_LINK_STATUS |
  11234. NIG_MASK_MI_INT));
  11235. bnx2x_emac_init(params, vars);
  11236. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11237. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11238. if (params->num_phys == 0) {
  11239. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11240. return -EINVAL;
  11241. }
  11242. set_phy_vars(params, vars);
  11243. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11244. switch (params->loopback_mode) {
  11245. case LOOPBACK_BMAC:
  11246. bnx2x_init_bmac_loopback(params, vars);
  11247. break;
  11248. case LOOPBACK_EMAC:
  11249. bnx2x_init_emac_loopback(params, vars);
  11250. break;
  11251. case LOOPBACK_XMAC:
  11252. bnx2x_init_xmac_loopback(params, vars);
  11253. break;
  11254. case LOOPBACK_UMAC:
  11255. bnx2x_init_umac_loopback(params, vars);
  11256. break;
  11257. case LOOPBACK_XGXS:
  11258. case LOOPBACK_EXT_PHY:
  11259. bnx2x_init_xgxs_loopback(params, vars);
  11260. break;
  11261. default:
  11262. if (!CHIP_IS_E3(bp)) {
  11263. if (params->switch_cfg == SWITCH_CFG_10G)
  11264. bnx2x_xgxs_deassert(params);
  11265. else
  11266. bnx2x_serdes_deassert(bp, params->port);
  11267. }
  11268. bnx2x_link_initialize(params, vars);
  11269. msleep(30);
  11270. bnx2x_link_int_enable(params);
  11271. break;
  11272. }
  11273. bnx2x_update_mng(params, vars->link_status);
  11274. bnx2x_update_mng_eee(params, vars->eee_status);
  11275. return 0;
  11276. }
  11277. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11278. u8 reset_ext_phy)
  11279. {
  11280. struct bnx2x *bp = params->bp;
  11281. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11282. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11283. /* Disable attentions */
  11284. vars->link_status = 0;
  11285. bnx2x_update_mng(params, vars->link_status);
  11286. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11287. SHMEM_EEE_ACTIVE_BIT);
  11288. bnx2x_update_mng_eee(params, vars->eee_status);
  11289. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11290. (NIG_MASK_XGXS0_LINK_STATUS |
  11291. NIG_MASK_XGXS0_LINK10G |
  11292. NIG_MASK_SERDES0_LINK_STATUS |
  11293. NIG_MASK_MI_INT));
  11294. /* Activate nig drain */
  11295. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11296. /* Disable nig egress interface */
  11297. if (!CHIP_IS_E3(bp)) {
  11298. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11299. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11300. }
  11301. if (!CHIP_IS_E3(bp)) {
  11302. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11303. } else {
  11304. bnx2x_set_xmac_rxtx(params, 0);
  11305. bnx2x_set_umac_rxtx(params, 0);
  11306. }
  11307. /* Disable emac */
  11308. if (!CHIP_IS_E3(bp))
  11309. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11310. usleep_range(10000, 20000);
  11311. /* The PHY reset is controlled by GPIO 1
  11312. * Hold it as vars low
  11313. */
  11314. /* Clear link led */
  11315. bnx2x_set_mdio_emac_per_phy(bp, params);
  11316. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11317. if (reset_ext_phy) {
  11318. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11319. phy_index++) {
  11320. if (params->phy[phy_index].link_reset) {
  11321. bnx2x_set_aer_mmd(params,
  11322. &params->phy[phy_index]);
  11323. params->phy[phy_index].link_reset(
  11324. &params->phy[phy_index],
  11325. params);
  11326. }
  11327. if (params->phy[phy_index].flags &
  11328. FLAGS_REARM_LATCH_SIGNAL)
  11329. clear_latch_ind = 1;
  11330. }
  11331. }
  11332. if (clear_latch_ind) {
  11333. /* Clear latching indication */
  11334. bnx2x_rearm_latch_signal(bp, port, 0);
  11335. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11336. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11337. }
  11338. if (params->phy[INT_PHY].link_reset)
  11339. params->phy[INT_PHY].link_reset(
  11340. &params->phy[INT_PHY], params);
  11341. /* Disable nig ingress interface */
  11342. if (!CHIP_IS_E3(bp)) {
  11343. /* Reset BigMac */
  11344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11345. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11346. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11347. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11348. } else {
  11349. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11350. bnx2x_set_xumac_nig(params, 0, 0);
  11351. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11352. MISC_REGISTERS_RESET_REG_2_XMAC)
  11353. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11354. XMAC_CTRL_REG_SOFT_RESET);
  11355. }
  11356. vars->link_up = 0;
  11357. vars->phy_flags = 0;
  11358. return 0;
  11359. }
  11360. int bnx2x_lfa_reset(struct link_params *params,
  11361. struct link_vars *vars)
  11362. {
  11363. struct bnx2x *bp = params->bp;
  11364. vars->link_up = 0;
  11365. vars->phy_flags = 0;
  11366. params->link_flags &= ~PHY_INITIALIZED;
  11367. if (!params->lfa_base)
  11368. return bnx2x_link_reset(params, vars, 1);
  11369. /*
  11370. * Activate NIG drain so that during this time the device won't send
  11371. * anything while it is unable to response.
  11372. */
  11373. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11374. /*
  11375. * Close gracefully the gate from BMAC to NIG such that no half packets
  11376. * are passed.
  11377. */
  11378. if (!CHIP_IS_E3(bp))
  11379. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11380. if (CHIP_IS_E3(bp)) {
  11381. bnx2x_set_xmac_rxtx(params, 0);
  11382. bnx2x_set_umac_rxtx(params, 0);
  11383. }
  11384. /* Wait 10ms for the pipe to clean up*/
  11385. usleep_range(10000, 20000);
  11386. /* Clean the NIG-BRB using the network filters in a way that will
  11387. * not cut a packet in the middle.
  11388. */
  11389. bnx2x_set_rx_filter(params, 0);
  11390. /*
  11391. * Re-open the gate between the BMAC and the NIG, after verifying the
  11392. * gate to the BRB is closed, otherwise packets may arrive to the
  11393. * firmware before driver had initialized it. The target is to achieve
  11394. * minimum management protocol down time.
  11395. */
  11396. if (!CHIP_IS_E3(bp))
  11397. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11398. if (CHIP_IS_E3(bp)) {
  11399. bnx2x_set_xmac_rxtx(params, 1);
  11400. bnx2x_set_umac_rxtx(params, 1);
  11401. }
  11402. /* Disable NIG drain */
  11403. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11404. return 0;
  11405. }
  11406. /****************************************************************************/
  11407. /* Common function */
  11408. /****************************************************************************/
  11409. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11410. u32 shmem_base_path[],
  11411. u32 shmem2_base_path[], u8 phy_index,
  11412. u32 chip_id)
  11413. {
  11414. struct bnx2x_phy phy[PORT_MAX];
  11415. struct bnx2x_phy *phy_blk[PORT_MAX];
  11416. u16 val;
  11417. s8 port = 0;
  11418. s8 port_of_path = 0;
  11419. u32 swap_val, swap_override;
  11420. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11421. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11422. port ^= (swap_val && swap_override);
  11423. bnx2x_ext_phy_hw_reset(bp, port);
  11424. /* PART1 - Reset both phys */
  11425. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11426. u32 shmem_base, shmem2_base;
  11427. /* In E2, same phy is using for port0 of the two paths */
  11428. if (CHIP_IS_E1x(bp)) {
  11429. shmem_base = shmem_base_path[0];
  11430. shmem2_base = shmem2_base_path[0];
  11431. port_of_path = port;
  11432. } else {
  11433. shmem_base = shmem_base_path[port];
  11434. shmem2_base = shmem2_base_path[port];
  11435. port_of_path = 0;
  11436. }
  11437. /* Extract the ext phy address for the port */
  11438. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11439. port_of_path, &phy[port]) !=
  11440. 0) {
  11441. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11442. return -EINVAL;
  11443. }
  11444. /* Disable attentions */
  11445. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11446. port_of_path*4,
  11447. (NIG_MASK_XGXS0_LINK_STATUS |
  11448. NIG_MASK_XGXS0_LINK10G |
  11449. NIG_MASK_SERDES0_LINK_STATUS |
  11450. NIG_MASK_MI_INT));
  11451. /* Need to take the phy out of low power mode in order
  11452. * to write to access its registers
  11453. */
  11454. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11455. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11456. port);
  11457. /* Reset the phy */
  11458. bnx2x_cl45_write(bp, &phy[port],
  11459. MDIO_PMA_DEVAD,
  11460. MDIO_PMA_REG_CTRL,
  11461. 1<<15);
  11462. }
  11463. /* Add delay of 150ms after reset */
  11464. msleep(150);
  11465. if (phy[PORT_0].addr & 0x1) {
  11466. phy_blk[PORT_0] = &(phy[PORT_1]);
  11467. phy_blk[PORT_1] = &(phy[PORT_0]);
  11468. } else {
  11469. phy_blk[PORT_0] = &(phy[PORT_0]);
  11470. phy_blk[PORT_1] = &(phy[PORT_1]);
  11471. }
  11472. /* PART2 - Download firmware to both phys */
  11473. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11474. if (CHIP_IS_E1x(bp))
  11475. port_of_path = port;
  11476. else
  11477. port_of_path = 0;
  11478. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11479. phy_blk[port]->addr);
  11480. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11481. port_of_path))
  11482. return -EINVAL;
  11483. /* Only set bit 10 = 1 (Tx power down) */
  11484. bnx2x_cl45_read(bp, phy_blk[port],
  11485. MDIO_PMA_DEVAD,
  11486. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11487. /* Phase1 of TX_POWER_DOWN reset */
  11488. bnx2x_cl45_write(bp, phy_blk[port],
  11489. MDIO_PMA_DEVAD,
  11490. MDIO_PMA_REG_TX_POWER_DOWN,
  11491. (val | 1<<10));
  11492. }
  11493. /* Toggle Transmitter: Power down and then up with 600ms delay
  11494. * between
  11495. */
  11496. msleep(600);
  11497. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11498. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11499. /* Phase2 of POWER_DOWN_RESET */
  11500. /* Release bit 10 (Release Tx power down) */
  11501. bnx2x_cl45_read(bp, phy_blk[port],
  11502. MDIO_PMA_DEVAD,
  11503. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11504. bnx2x_cl45_write(bp, phy_blk[port],
  11505. MDIO_PMA_DEVAD,
  11506. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11507. usleep_range(15000, 30000);
  11508. /* Read modify write the SPI-ROM version select register */
  11509. bnx2x_cl45_read(bp, phy_blk[port],
  11510. MDIO_PMA_DEVAD,
  11511. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11512. bnx2x_cl45_write(bp, phy_blk[port],
  11513. MDIO_PMA_DEVAD,
  11514. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11515. /* set GPIO2 back to LOW */
  11516. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11517. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11518. }
  11519. return 0;
  11520. }
  11521. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11522. u32 shmem_base_path[],
  11523. u32 shmem2_base_path[], u8 phy_index,
  11524. u32 chip_id)
  11525. {
  11526. u32 val;
  11527. s8 port;
  11528. struct bnx2x_phy phy;
  11529. /* Use port1 because of the static port-swap */
  11530. /* Enable the module detection interrupt */
  11531. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11532. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11533. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11534. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11535. bnx2x_ext_phy_hw_reset(bp, 0);
  11536. usleep_range(5000, 10000);
  11537. for (port = 0; port < PORT_MAX; port++) {
  11538. u32 shmem_base, shmem2_base;
  11539. /* In E2, same phy is using for port0 of the two paths */
  11540. if (CHIP_IS_E1x(bp)) {
  11541. shmem_base = shmem_base_path[0];
  11542. shmem2_base = shmem2_base_path[0];
  11543. } else {
  11544. shmem_base = shmem_base_path[port];
  11545. shmem2_base = shmem2_base_path[port];
  11546. }
  11547. /* Extract the ext phy address for the port */
  11548. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11549. port, &phy) !=
  11550. 0) {
  11551. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11552. return -EINVAL;
  11553. }
  11554. /* Reset phy*/
  11555. bnx2x_cl45_write(bp, &phy,
  11556. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11557. /* Set fault module detected LED on */
  11558. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11559. MISC_REGISTERS_GPIO_HIGH,
  11560. port);
  11561. }
  11562. return 0;
  11563. }
  11564. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11565. u8 *io_gpio, u8 *io_port)
  11566. {
  11567. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11568. offsetof(struct shmem_region,
  11569. dev_info.port_hw_config[PORT_0].default_cfg));
  11570. switch (phy_gpio_reset) {
  11571. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11572. *io_gpio = 0;
  11573. *io_port = 0;
  11574. break;
  11575. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11576. *io_gpio = 1;
  11577. *io_port = 0;
  11578. break;
  11579. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11580. *io_gpio = 2;
  11581. *io_port = 0;
  11582. break;
  11583. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11584. *io_gpio = 3;
  11585. *io_port = 0;
  11586. break;
  11587. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11588. *io_gpio = 0;
  11589. *io_port = 1;
  11590. break;
  11591. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11592. *io_gpio = 1;
  11593. *io_port = 1;
  11594. break;
  11595. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11596. *io_gpio = 2;
  11597. *io_port = 1;
  11598. break;
  11599. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11600. *io_gpio = 3;
  11601. *io_port = 1;
  11602. break;
  11603. default:
  11604. /* Don't override the io_gpio and io_port */
  11605. break;
  11606. }
  11607. }
  11608. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11609. u32 shmem_base_path[],
  11610. u32 shmem2_base_path[], u8 phy_index,
  11611. u32 chip_id)
  11612. {
  11613. s8 port, reset_gpio;
  11614. u32 swap_val, swap_override;
  11615. struct bnx2x_phy phy[PORT_MAX];
  11616. struct bnx2x_phy *phy_blk[PORT_MAX];
  11617. s8 port_of_path;
  11618. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11619. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11620. reset_gpio = MISC_REGISTERS_GPIO_1;
  11621. port = 1;
  11622. /* Retrieve the reset gpio/port which control the reset.
  11623. * Default is GPIO1, PORT1
  11624. */
  11625. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11626. (u8 *)&reset_gpio, (u8 *)&port);
  11627. /* Calculate the port based on port swap */
  11628. port ^= (swap_val && swap_override);
  11629. /* Initiate PHY reset*/
  11630. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11631. port);
  11632. usleep_range(1000, 2000);
  11633. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11634. port);
  11635. usleep_range(5000, 10000);
  11636. /* PART1 - Reset both phys */
  11637. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11638. u32 shmem_base, shmem2_base;
  11639. /* In E2, same phy is using for port0 of the two paths */
  11640. if (CHIP_IS_E1x(bp)) {
  11641. shmem_base = shmem_base_path[0];
  11642. shmem2_base = shmem2_base_path[0];
  11643. port_of_path = port;
  11644. } else {
  11645. shmem_base = shmem_base_path[port];
  11646. shmem2_base = shmem2_base_path[port];
  11647. port_of_path = 0;
  11648. }
  11649. /* Extract the ext phy address for the port */
  11650. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11651. port_of_path, &phy[port]) !=
  11652. 0) {
  11653. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11654. return -EINVAL;
  11655. }
  11656. /* disable attentions */
  11657. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11658. port_of_path*4,
  11659. (NIG_MASK_XGXS0_LINK_STATUS |
  11660. NIG_MASK_XGXS0_LINK10G |
  11661. NIG_MASK_SERDES0_LINK_STATUS |
  11662. NIG_MASK_MI_INT));
  11663. /* Reset the phy */
  11664. bnx2x_cl45_write(bp, &phy[port],
  11665. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11666. }
  11667. /* Add delay of 150ms after reset */
  11668. msleep(150);
  11669. if (phy[PORT_0].addr & 0x1) {
  11670. phy_blk[PORT_0] = &(phy[PORT_1]);
  11671. phy_blk[PORT_1] = &(phy[PORT_0]);
  11672. } else {
  11673. phy_blk[PORT_0] = &(phy[PORT_0]);
  11674. phy_blk[PORT_1] = &(phy[PORT_1]);
  11675. }
  11676. /* PART2 - Download firmware to both phys */
  11677. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11678. if (CHIP_IS_E1x(bp))
  11679. port_of_path = port;
  11680. else
  11681. port_of_path = 0;
  11682. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11683. phy_blk[port]->addr);
  11684. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11685. port_of_path))
  11686. return -EINVAL;
  11687. /* Disable PHY transmitter output */
  11688. bnx2x_cl45_write(bp, phy_blk[port],
  11689. MDIO_PMA_DEVAD,
  11690. MDIO_PMA_REG_TX_DISABLE, 1);
  11691. }
  11692. return 0;
  11693. }
  11694. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11695. u32 shmem_base_path[],
  11696. u32 shmem2_base_path[],
  11697. u8 phy_index,
  11698. u32 chip_id)
  11699. {
  11700. u8 reset_gpios;
  11701. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11702. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11703. udelay(10);
  11704. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11705. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11706. reset_gpios);
  11707. return 0;
  11708. }
  11709. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11710. u32 shmem2_base_path[], u8 phy_index,
  11711. u32 ext_phy_type, u32 chip_id)
  11712. {
  11713. int rc = 0;
  11714. switch (ext_phy_type) {
  11715. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11716. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11717. shmem2_base_path,
  11718. phy_index, chip_id);
  11719. break;
  11720. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11721. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11723. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11724. shmem2_base_path,
  11725. phy_index, chip_id);
  11726. break;
  11727. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11728. /* GPIO1 affects both ports, so there's need to pull
  11729. * it for single port alone
  11730. */
  11731. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11732. shmem2_base_path,
  11733. phy_index, chip_id);
  11734. break;
  11735. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11736. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11737. /* GPIO3's are linked, and so both need to be toggled
  11738. * to obtain required 2us pulse.
  11739. */
  11740. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11741. shmem2_base_path,
  11742. phy_index, chip_id);
  11743. break;
  11744. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11745. rc = -EINVAL;
  11746. break;
  11747. default:
  11748. DP(NETIF_MSG_LINK,
  11749. "ext_phy 0x%x common init not required\n",
  11750. ext_phy_type);
  11751. break;
  11752. }
  11753. if (rc)
  11754. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11755. " Port %d\n",
  11756. 0);
  11757. return rc;
  11758. }
  11759. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11760. u32 shmem2_base_path[], u32 chip_id)
  11761. {
  11762. int rc = 0;
  11763. u32 phy_ver, val;
  11764. u8 phy_index = 0;
  11765. u32 ext_phy_type, ext_phy_config;
  11766. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11767. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11768. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11769. if (CHIP_IS_E3(bp)) {
  11770. /* Enable EPIO */
  11771. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11772. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11773. }
  11774. /* Check if common init was already done */
  11775. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11776. offsetof(struct shmem_region,
  11777. port_mb[PORT_0].ext_phy_fw_version));
  11778. if (phy_ver) {
  11779. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11780. phy_ver);
  11781. return 0;
  11782. }
  11783. /* Read the ext_phy_type for arbitrary port(0) */
  11784. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11785. phy_index++) {
  11786. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11787. shmem_base_path[0],
  11788. phy_index, 0);
  11789. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11790. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11791. shmem2_base_path,
  11792. phy_index, ext_phy_type,
  11793. chip_id);
  11794. }
  11795. return rc;
  11796. }
  11797. static void bnx2x_check_over_curr(struct link_params *params,
  11798. struct link_vars *vars)
  11799. {
  11800. struct bnx2x *bp = params->bp;
  11801. u32 cfg_pin;
  11802. u8 port = params->port;
  11803. u32 pin_val;
  11804. cfg_pin = (REG_RD(bp, params->shmem_base +
  11805. offsetof(struct shmem_region,
  11806. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11807. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11808. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11809. /* Ignore check if no external input PIN available */
  11810. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11811. return;
  11812. if (!pin_val) {
  11813. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11814. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11815. " been detected and the power to "
  11816. "that SFP+ module has been removed"
  11817. " to prevent failure of the card."
  11818. " Please remove the SFP+ module and"
  11819. " restart the system to clear this"
  11820. " error.\n",
  11821. params->port);
  11822. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11823. bnx2x_warpcore_power_module(params, 0);
  11824. }
  11825. } else
  11826. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11827. }
  11828. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11829. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11830. struct link_vars *vars, u32 status,
  11831. u32 phy_flag, u32 link_flag, u8 notify)
  11832. {
  11833. struct bnx2x *bp = params->bp;
  11834. /* Compare new value with previous value */
  11835. u8 led_mode;
  11836. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11837. if ((status ^ old_status) == 0)
  11838. return 0;
  11839. /* If values differ */
  11840. switch (phy_flag) {
  11841. case PHY_HALF_OPEN_CONN_FLAG:
  11842. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11843. break;
  11844. case PHY_SFP_TX_FAULT_FLAG:
  11845. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11846. break;
  11847. default:
  11848. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11849. }
  11850. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11851. old_status, status);
  11852. /* Do not touch the link in case physical link down */
  11853. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11854. return 1;
  11855. /* a. Update shmem->link_status accordingly
  11856. * b. Update link_vars->link_up
  11857. */
  11858. if (status) {
  11859. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11860. vars->link_status |= link_flag;
  11861. vars->link_up = 0;
  11862. vars->phy_flags |= phy_flag;
  11863. /* activate nig drain */
  11864. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11865. /* Set LED mode to off since the PHY doesn't know about these
  11866. * errors
  11867. */
  11868. led_mode = LED_MODE_OFF;
  11869. } else {
  11870. vars->link_status |= LINK_STATUS_LINK_UP;
  11871. vars->link_status &= ~link_flag;
  11872. vars->link_up = 1;
  11873. vars->phy_flags &= ~phy_flag;
  11874. led_mode = LED_MODE_OPER;
  11875. /* Clear nig drain */
  11876. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11877. }
  11878. bnx2x_sync_link(params, vars);
  11879. /* Update the LED according to the link state */
  11880. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11881. /* Update link status in the shared memory */
  11882. bnx2x_update_mng(params, vars->link_status);
  11883. /* C. Trigger General Attention */
  11884. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11885. if (notify)
  11886. bnx2x_notify_link_changed(bp);
  11887. return 1;
  11888. }
  11889. /******************************************************************************
  11890. * Description:
  11891. * This function checks for half opened connection change indication.
  11892. * When such change occurs, it calls the bnx2x_analyze_link_error
  11893. * to check if Remote Fault is set or cleared. Reception of remote fault
  11894. * status message in the MAC indicates that the peer's MAC has detected
  11895. * a fault, for example, due to break in the TX side of fiber.
  11896. *
  11897. ******************************************************************************/
  11898. static int bnx2x_check_half_open_conn(struct link_params *params,
  11899. struct link_vars *vars,
  11900. u8 notify)
  11901. {
  11902. struct bnx2x *bp = params->bp;
  11903. u32 lss_status = 0;
  11904. u32 mac_base;
  11905. /* In case link status is physically up @ 10G do */
  11906. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11907. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11908. return 0;
  11909. if (CHIP_IS_E3(bp) &&
  11910. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11911. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11912. /* Check E3 XMAC */
  11913. /* Note that link speed cannot be queried here, since it may be
  11914. * zero while link is down. In case UMAC is active, LSS will
  11915. * simply not be set
  11916. */
  11917. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11918. /* Clear stick bits (Requires rising edge) */
  11919. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11920. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11921. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11922. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11923. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11924. lss_status = 1;
  11925. bnx2x_analyze_link_error(params, vars, lss_status,
  11926. PHY_HALF_OPEN_CONN_FLAG,
  11927. LINK_STATUS_NONE, notify);
  11928. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11929. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11930. /* Check E1X / E2 BMAC */
  11931. u32 lss_status_reg;
  11932. u32 wb_data[2];
  11933. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11934. NIG_REG_INGRESS_BMAC0_MEM;
  11935. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11936. if (CHIP_IS_E2(bp))
  11937. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11938. else
  11939. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11940. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11941. lss_status = (wb_data[0] > 0);
  11942. bnx2x_analyze_link_error(params, vars, lss_status,
  11943. PHY_HALF_OPEN_CONN_FLAG,
  11944. LINK_STATUS_NONE, notify);
  11945. }
  11946. return 0;
  11947. }
  11948. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11949. struct link_params *params,
  11950. struct link_vars *vars)
  11951. {
  11952. struct bnx2x *bp = params->bp;
  11953. u32 cfg_pin, value = 0;
  11954. u8 led_change, port = params->port;
  11955. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11956. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11957. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11958. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11959. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11960. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11961. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11962. return;
  11963. }
  11964. led_change = bnx2x_analyze_link_error(params, vars, value,
  11965. PHY_SFP_TX_FAULT_FLAG,
  11966. LINK_STATUS_SFP_TX_FAULT, 1);
  11967. if (led_change) {
  11968. /* Change TX_Fault led, set link status for further syncs */
  11969. u8 led_mode;
  11970. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11971. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11972. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11973. } else {
  11974. led_mode = MISC_REGISTERS_GPIO_LOW;
  11975. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11976. }
  11977. /* If module is unapproved, led should be on regardless */
  11978. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11979. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11980. led_mode);
  11981. bnx2x_set_e3_module_fault_led(params, led_mode);
  11982. }
  11983. }
  11984. }
  11985. static void bnx2x_kr2_recovery(struct link_params *params,
  11986. struct link_vars *vars,
  11987. struct bnx2x_phy *phy)
  11988. {
  11989. struct bnx2x *bp = params->bp;
  11990. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11991. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11992. bnx2x_warpcore_restart_AN_KR(phy, params);
  11993. }
  11994. static void bnx2x_check_kr2_wa(struct link_params *params,
  11995. struct link_vars *vars,
  11996. struct bnx2x_phy *phy)
  11997. {
  11998. struct bnx2x *bp = params->bp;
  11999. u16 base_page, next_page, not_kr2_device, lane;
  12000. int sigdet;
  12001. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  12002. * Since some switches tend to reinit the AN process and clear the
  12003. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  12004. * and recovered many times
  12005. */
  12006. if (vars->check_kr2_recovery_cnt > 0) {
  12007. vars->check_kr2_recovery_cnt--;
  12008. return;
  12009. }
  12010. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12011. if (!sigdet) {
  12012. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12013. bnx2x_kr2_recovery(params, vars, phy);
  12014. DP(NETIF_MSG_LINK, "No sigdet\n");
  12015. }
  12016. return;
  12017. }
  12018. lane = bnx2x_get_warpcore_lane(phy, params);
  12019. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12020. MDIO_AER_BLOCK_AER_REG, lane);
  12021. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12022. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12023. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12024. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12025. bnx2x_set_aer_mmd(params, phy);
  12026. /* CL73 has not begun yet */
  12027. if (base_page == 0) {
  12028. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12029. bnx2x_kr2_recovery(params, vars, phy);
  12030. DP(NETIF_MSG_LINK, "No BP\n");
  12031. }
  12032. return;
  12033. }
  12034. /* In case NP bit is not set in the BasePage, or it is set,
  12035. * but only KX is advertised, declare this link partner as non-KR2
  12036. * device.
  12037. */
  12038. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12039. (((base_page & 0x8000) &&
  12040. ((next_page & 0xe0) == 0x20))));
  12041. /* In case KR2 is already disabled, check if we need to re-enable it */
  12042. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12043. if (!not_kr2_device) {
  12044. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12045. next_page);
  12046. bnx2x_kr2_recovery(params, vars, phy);
  12047. }
  12048. return;
  12049. }
  12050. /* KR2 is enabled, but not KR2 device */
  12051. if (not_kr2_device) {
  12052. /* Disable KR2 on both lanes */
  12053. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12054. bnx2x_disable_kr2(params, vars, phy);
  12055. /* Restart AN on leading lane */
  12056. bnx2x_warpcore_restart_AN_KR(phy, params);
  12057. return;
  12058. }
  12059. }
  12060. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12061. {
  12062. u16 phy_idx;
  12063. struct bnx2x *bp = params->bp;
  12064. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12065. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12066. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12067. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12068. 0)
  12069. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12070. break;
  12071. }
  12072. }
  12073. if (CHIP_IS_E3(bp)) {
  12074. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12075. bnx2x_set_aer_mmd(params, phy);
  12076. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12077. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12078. bnx2x_check_kr2_wa(params, vars, phy);
  12079. bnx2x_check_over_curr(params, vars);
  12080. if (vars->rx_tx_asic_rst)
  12081. bnx2x_warpcore_config_runtime(phy, params, vars);
  12082. if ((REG_RD(bp, params->shmem_base +
  12083. offsetof(struct shmem_region, dev_info.
  12084. port_hw_config[params->port].default_cfg))
  12085. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12086. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12087. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12088. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12089. } else if (vars->link_status &
  12090. LINK_STATUS_SFP_TX_FAULT) {
  12091. /* Clean trail, interrupt corrects the leds */
  12092. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12093. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12094. /* Update link status in the shared memory */
  12095. bnx2x_update_mng(params, vars->link_status);
  12096. }
  12097. }
  12098. }
  12099. }
  12100. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12101. u32 shmem_base,
  12102. u32 shmem2_base,
  12103. u8 port)
  12104. {
  12105. u8 phy_index, fan_failure_det_req = 0;
  12106. struct bnx2x_phy phy;
  12107. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12108. phy_index++) {
  12109. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12110. port, &phy)
  12111. != 0) {
  12112. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12113. return 0;
  12114. }
  12115. fan_failure_det_req |= (phy.flags &
  12116. FLAGS_FAN_FAILURE_DET_REQ);
  12117. }
  12118. return fan_failure_det_req;
  12119. }
  12120. void bnx2x_hw_reset_phy(struct link_params *params)
  12121. {
  12122. u8 phy_index;
  12123. struct bnx2x *bp = params->bp;
  12124. bnx2x_update_mng(params, 0);
  12125. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12126. (NIG_MASK_XGXS0_LINK_STATUS |
  12127. NIG_MASK_XGXS0_LINK10G |
  12128. NIG_MASK_SERDES0_LINK_STATUS |
  12129. NIG_MASK_MI_INT));
  12130. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12131. phy_index++) {
  12132. if (params->phy[phy_index].hw_reset) {
  12133. params->phy[phy_index].hw_reset(
  12134. &params->phy[phy_index],
  12135. params);
  12136. params->phy[phy_index] = phy_null;
  12137. }
  12138. }
  12139. }
  12140. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12141. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12142. u8 port)
  12143. {
  12144. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12145. u32 val;
  12146. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12147. if (CHIP_IS_E3(bp)) {
  12148. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12149. shmem_base,
  12150. port,
  12151. &gpio_num,
  12152. &gpio_port) != 0)
  12153. return;
  12154. } else {
  12155. struct bnx2x_phy phy;
  12156. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12157. phy_index++) {
  12158. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12159. shmem2_base, port, &phy)
  12160. != 0) {
  12161. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12162. return;
  12163. }
  12164. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12165. gpio_num = MISC_REGISTERS_GPIO_3;
  12166. gpio_port = port;
  12167. break;
  12168. }
  12169. }
  12170. }
  12171. if (gpio_num == 0xff)
  12172. return;
  12173. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12174. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12175. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12176. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12177. gpio_port ^= (swap_val && swap_override);
  12178. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12179. (gpio_num + (gpio_port << 2));
  12180. sync_offset = shmem_base +
  12181. offsetof(struct shmem_region,
  12182. dev_info.port_hw_config[port].aeu_int_mask);
  12183. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12184. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12185. gpio_num, gpio_port, vars->aeu_int_mask);
  12186. if (port == 0)
  12187. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12188. else
  12189. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12190. /* Open appropriate AEU for interrupts */
  12191. aeu_mask = REG_RD(bp, offset);
  12192. aeu_mask |= vars->aeu_int_mask;
  12193. REG_WR(bp, offset, aeu_mask);
  12194. /* Enable the GPIO to trigger interrupt */
  12195. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12196. val |= 1 << (gpio_num + (gpio_port << 2));
  12197. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12198. }