bnx2x_link.c 396 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086408740884089409040914092409340944095409640974098409941004101410241034104410541064107410841094110411141124113411441154116411741184119412041214122412341244125412641274128412941304131413241334134413541364137413841394140414141424143414441454146414741484149415041514152415341544155415641574158415941604161416241634164416541664167416841694170417141724173417441754176417741784179418041814182418341844185418641874188418941904191419241934194419541964197419841994200420142024203420442054206420742084209421042114212421342144215421642174218421942204221422242234224422542264227422842294230423142324233423442354236423742384239424042414242424342444245424642474248424942504251425242534254425542564257425842594260426142624263426442654266426742684269427042714272427342744275427642774278427942804281428242834284428542864287428842894290429142924293429442954296429742984299430043014302430343044305430643074308430943104311431243134314431543164317431843194320432143224323432443254326432743284329433043314332433343344335433643374338433943404341434243434344434543464347434843494350435143524353435443554356435743584359436043614362436343644365436643674368436943704371437243734374437543764377437843794380438143824383438443854386438743884389439043914392439343944395439643974398439944004401440244034404440544064407440844094410441144124413441444154416441744184419442044214422442344244425442644274428442944304431443244334434443544364437443844394440444144424443444444454446444744484449445044514452445344544455445644574458445944604461446244634464446544664467446844694470447144724473447444754476447744784479448044814482448344844485448644874488448944904491449244934494449544964497449844994500450145024503450445054506450745084509451045114512451345144515451645174518451945204521452245234524452545264527452845294530453145324533453445354536453745384539454045414542454345444545454645474548454945504551455245534554455545564557455845594560456145624563456445654566456745684569457045714572457345744575457645774578457945804581458245834584458545864587458845894590459145924593459445954596459745984599460046014602460346044605460646074608460946104611461246134614461546164617461846194620462146224623462446254626462746284629463046314632463346344635463646374638463946404641464246434644464546464647464846494650465146524653465446554656465746584659466046614662466346644665466646674668466946704671467246734674467546764677467846794680468146824683468446854686468746884689469046914692469346944695469646974698469947004701470247034704470547064707470847094710471147124713471447154716471747184719472047214722472347244725472647274728472947304731473247334734473547364737473847394740474147424743474447454746474747484749475047514752475347544755475647574758475947604761476247634764476547664767476847694770477147724773477447754776477747784779478047814782478347844785478647874788478947904791479247934794479547964797479847994800480148024803480448054806480748084809481048114812481348144815481648174818481948204821482248234824482548264827482848294830483148324833483448354836483748384839484048414842484348444845484648474848484948504851485248534854485548564857485848594860486148624863486448654866486748684869487048714872487348744875487648774878487948804881488248834884488548864887488848894890489148924893489448954896489748984899490049014902490349044905490649074908490949104911491249134914491549164917491849194920492149224923492449254926492749284929493049314932493349344935493649374938493949404941494249434944494549464947494849494950495149524953495449554956495749584959496049614962496349644965496649674968496949704971497249734974497549764977497849794980498149824983498449854986498749884989499049914992499349944995499649974998499950005001500250035004500550065007500850095010501150125013501450155016501750185019502050215022502350245025502650275028502950305031503250335034503550365037503850395040504150425043504450455046504750485049505050515052505350545055505650575058505950605061506250635064506550665067506850695070507150725073507450755076507750785079508050815082508350845085508650875088508950905091509250935094509550965097509850995100510151025103510451055106510751085109511051115112511351145115511651175118511951205121512251235124512551265127512851295130513151325133513451355136513751385139514051415142514351445145514651475148514951505151515251535154515551565157515851595160516151625163516451655166516751685169517051715172517351745175517651775178517951805181518251835184518551865187518851895190519151925193519451955196519751985199520052015202520352045205520652075208520952105211521252135214521552165217521852195220522152225223522452255226522752285229523052315232523352345235523652375238523952405241524252435244524552465247524852495250525152525253525452555256525752585259526052615262526352645265526652675268526952705271527252735274527552765277527852795280528152825283528452855286528752885289529052915292529352945295529652975298529953005301530253035304530553065307530853095310531153125313531453155316531753185319532053215322532353245325532653275328532953305331533253335334533553365337533853395340534153425343534453455346534753485349535053515352535353545355535653575358535953605361536253635364536553665367536853695370537153725373537453755376537753785379538053815382538353845385538653875388538953905391539253935394539553965397539853995400540154025403540454055406540754085409541054115412541354145415541654175418541954205421542254235424542554265427542854295430543154325433543454355436543754385439544054415442544354445445544654475448544954505451545254535454545554565457545854595460546154625463546454655466546754685469547054715472547354745475547654775478547954805481548254835484548554865487548854895490549154925493549454955496549754985499550055015502550355045505550655075508550955105511551255135514551555165517551855195520552155225523552455255526552755285529553055315532553355345535553655375538553955405541554255435544554555465547554855495550555155525553555455555556555755585559556055615562556355645565556655675568556955705571557255735574557555765577557855795580558155825583558455855586558755885589559055915592559355945595559655975598559956005601560256035604560556065607560856095610561156125613561456155616561756185619562056215622562356245625562656275628562956305631563256335634563556365637563856395640564156425643564456455646564756485649565056515652565356545655565656575658565956605661566256635664566556665667566856695670567156725673567456755676567756785679568056815682568356845685568656875688568956905691569256935694569556965697569856995700570157025703570457055706570757085709571057115712571357145715571657175718571957205721572257235724572557265727572857295730573157325733573457355736573757385739574057415742574357445745574657475748574957505751575257535754575557565757575857595760576157625763576457655766576757685769577057715772577357745775577657775778577957805781578257835784578557865787578857895790579157925793579457955796579757985799580058015802580358045805580658075808580958105811581258135814581558165817581858195820582158225823582458255826582758285829583058315832583358345835583658375838583958405841584258435844584558465847584858495850585158525853585458555856585758585859586058615862586358645865586658675868586958705871587258735874587558765877587858795880588158825883588458855886588758885889589058915892589358945895589658975898589959005901590259035904590559065907590859095910591159125913591459155916591759185919592059215922592359245925592659275928592959305931593259335934593559365937593859395940594159425943594459455946594759485949595059515952595359545955595659575958595959605961596259635964596559665967596859695970597159725973597459755976597759785979598059815982598359845985598659875988598959905991599259935994599559965997599859996000600160026003600460056006600760086009601060116012601360146015601660176018601960206021602260236024602560266027602860296030603160326033603460356036603760386039604060416042604360446045604660476048604960506051605260536054605560566057605860596060606160626063606460656066606760686069607060716072607360746075607660776078607960806081608260836084608560866087608860896090609160926093609460956096609760986099610061016102610361046105610661076108610961106111611261136114611561166117611861196120612161226123612461256126612761286129613061316132613361346135613661376138613961406141614261436144614561466147614861496150615161526153615461556156615761586159616061616162616361646165616661676168616961706171617261736174617561766177617861796180618161826183618461856186618761886189619061916192619361946195619661976198619962006201620262036204620562066207620862096210621162126213621462156216621762186219622062216222622362246225622662276228622962306231623262336234623562366237623862396240624162426243624462456246624762486249625062516252625362546255625662576258625962606261626262636264626562666267626862696270627162726273627462756276627762786279628062816282628362846285628662876288628962906291629262936294629562966297629862996300630163026303630463056306630763086309631063116312631363146315631663176318631963206321632263236324632563266327632863296330633163326333633463356336633763386339634063416342634363446345634663476348634963506351635263536354635563566357635863596360636163626363636463656366636763686369637063716372637363746375637663776378637963806381638263836384638563866387638863896390639163926393639463956396639763986399640064016402640364046405640664076408640964106411641264136414641564166417641864196420642164226423642464256426642764286429643064316432643364346435643664376438643964406441644264436444644564466447644864496450645164526453645464556456645764586459646064616462646364646465646664676468646964706471647264736474647564766477647864796480648164826483648464856486648764886489649064916492649364946495649664976498649965006501650265036504650565066507650865096510651165126513651465156516651765186519652065216522652365246525652665276528652965306531653265336534653565366537653865396540654165426543654465456546654765486549655065516552655365546555655665576558655965606561656265636564656565666567656865696570657165726573657465756576657765786579658065816582658365846585658665876588658965906591659265936594659565966597659865996600660166026603660466056606660766086609661066116612661366146615661666176618661966206621662266236624662566266627662866296630663166326633663466356636663766386639664066416642664366446645664666476648664966506651665266536654665566566657665866596660666166626663666466656666666766686669667066716672667366746675667666776678667966806681668266836684668566866687668866896690669166926693669466956696669766986699670067016702670367046705670667076708670967106711671267136714671567166717671867196720672167226723672467256726672767286729673067316732673367346735673667376738673967406741674267436744674567466747674867496750675167526753675467556756675767586759676067616762676367646765676667676768676967706771677267736774677567766777677867796780678167826783678467856786678767886789679067916792679367946795679667976798679968006801680268036804680568066807680868096810681168126813681468156816681768186819682068216822682368246825682668276828682968306831683268336834683568366837683868396840684168426843684468456846684768486849685068516852685368546855685668576858685968606861686268636864686568666867686868696870687168726873687468756876687768786879688068816882688368846885688668876888688968906891689268936894689568966897689868996900690169026903690469056906690769086909691069116912691369146915691669176918691969206921692269236924692569266927692869296930693169326933693469356936693769386939694069416942694369446945694669476948694969506951695269536954695569566957695869596960696169626963696469656966696769686969697069716972697369746975697669776978697969806981698269836984698569866987698869896990699169926993699469956996699769986999700070017002700370047005700670077008700970107011701270137014701570167017701870197020702170227023702470257026702770287029703070317032703370347035703670377038703970407041704270437044704570467047704870497050705170527053705470557056705770587059706070617062706370647065706670677068706970707071707270737074707570767077707870797080708170827083708470857086708770887089709070917092709370947095709670977098709971007101710271037104710571067107710871097110711171127113711471157116711771187119712071217122712371247125712671277128712971307131713271337134713571367137713871397140714171427143714471457146714771487149715071517152715371547155715671577158715971607161716271637164716571667167716871697170717171727173717471757176717771787179718071817182718371847185718671877188718971907191719271937194719571967197719871997200720172027203720472057206720772087209721072117212721372147215721672177218721972207221722272237224722572267227722872297230723172327233723472357236723772387239724072417242724372447245724672477248724972507251725272537254725572567257725872597260726172627263726472657266726772687269727072717272727372747275727672777278727972807281728272837284728572867287728872897290729172927293729472957296729772987299730073017302730373047305730673077308730973107311731273137314731573167317731873197320732173227323732473257326732773287329733073317332733373347335733673377338733973407341734273437344734573467347734873497350735173527353735473557356735773587359736073617362736373647365736673677368736973707371737273737374737573767377737873797380738173827383738473857386738773887389739073917392739373947395739673977398739974007401740274037404740574067407740874097410741174127413741474157416741774187419742074217422742374247425742674277428742974307431743274337434743574367437743874397440744174427443744474457446744774487449745074517452745374547455745674577458745974607461746274637464746574667467746874697470747174727473747474757476747774787479748074817482748374847485748674877488748974907491749274937494749574967497749874997500750175027503750475057506750775087509751075117512751375147515751675177518751975207521752275237524752575267527752875297530753175327533753475357536753775387539754075417542754375447545754675477548754975507551755275537554755575567557755875597560756175627563756475657566756775687569757075717572757375747575757675777578757975807581758275837584758575867587758875897590759175927593759475957596759775987599760076017602760376047605760676077608760976107611761276137614761576167617761876197620762176227623762476257626762776287629763076317632763376347635763676377638763976407641764276437644764576467647764876497650765176527653765476557656765776587659766076617662766376647665766676677668766976707671767276737674767576767677767876797680768176827683768476857686768776887689769076917692769376947695769676977698769977007701770277037704770577067707770877097710771177127713771477157716771777187719772077217722772377247725772677277728772977307731773277337734773577367737773877397740774177427743774477457746774777487749775077517752775377547755775677577758775977607761776277637764776577667767776877697770777177727773777477757776777777787779778077817782778377847785778677877788778977907791779277937794779577967797779877997800780178027803780478057806780778087809781078117812781378147815781678177818781978207821782278237824782578267827782878297830783178327833783478357836783778387839784078417842784378447845784678477848784978507851785278537854785578567857785878597860786178627863786478657866786778687869787078717872787378747875787678777878787978807881788278837884788578867887788878897890789178927893789478957896789778987899790079017902790379047905790679077908790979107911791279137914791579167917791879197920792179227923792479257926792779287929793079317932793379347935793679377938793979407941794279437944794579467947794879497950795179527953795479557956795779587959796079617962796379647965796679677968796979707971797279737974797579767977797879797980798179827983798479857986798779887989799079917992799379947995799679977998799980008001800280038004800580068007800880098010801180128013801480158016801780188019802080218022802380248025802680278028802980308031803280338034803580368037803880398040804180428043804480458046804780488049805080518052805380548055805680578058805980608061806280638064806580668067806880698070807180728073807480758076807780788079808080818082808380848085808680878088808980908091809280938094809580968097809880998100810181028103810481058106810781088109811081118112811381148115811681178118811981208121812281238124812581268127812881298130813181328133813481358136813781388139814081418142814381448145814681478148814981508151815281538154815581568157815881598160816181628163816481658166816781688169817081718172817381748175817681778178817981808181818281838184818581868187818881898190819181928193819481958196819781988199820082018202820382048205820682078208820982108211821282138214821582168217821882198220822182228223822482258226822782288229823082318232823382348235823682378238823982408241824282438244824582468247824882498250825182528253825482558256825782588259826082618262826382648265826682678268826982708271827282738274827582768277827882798280828182828283828482858286828782888289829082918292829382948295829682978298829983008301830283038304830583068307830883098310831183128313831483158316831783188319832083218322832383248325832683278328832983308331833283338334833583368337833883398340834183428343834483458346834783488349835083518352835383548355835683578358835983608361836283638364836583668367836883698370837183728373837483758376837783788379838083818382838383848385838683878388838983908391839283938394839583968397839883998400840184028403840484058406840784088409841084118412841384148415841684178418841984208421842284238424842584268427842884298430843184328433843484358436843784388439844084418442844384448445844684478448844984508451845284538454845584568457845884598460846184628463846484658466846784688469847084718472847384748475847684778478847984808481848284838484848584868487848884898490849184928493849484958496849784988499850085018502850385048505850685078508850985108511851285138514851585168517851885198520852185228523852485258526852785288529853085318532853385348535853685378538853985408541854285438544854585468547854885498550855185528553855485558556855785588559856085618562856385648565856685678568856985708571857285738574857585768577857885798580858185828583858485858586858785888589859085918592859385948595859685978598859986008601860286038604860586068607860886098610861186128613861486158616861786188619862086218622862386248625862686278628862986308631863286338634863586368637863886398640864186428643864486458646864786488649865086518652865386548655865686578658865986608661866286638664866586668667866886698670867186728673867486758676867786788679868086818682868386848685868686878688868986908691869286938694869586968697869886998700870187028703870487058706870787088709871087118712871387148715871687178718871987208721872287238724872587268727872887298730873187328733873487358736873787388739874087418742874387448745874687478748874987508751875287538754875587568757875887598760876187628763876487658766876787688769877087718772877387748775877687778778877987808781878287838784878587868787878887898790879187928793879487958796879787988799880088018802880388048805880688078808880988108811881288138814881588168817881888198820882188228823882488258826882788288829883088318832883388348835883688378838883988408841884288438844884588468847884888498850885188528853885488558856885788588859886088618862886388648865886688678868886988708871887288738874887588768877887888798880888188828883888488858886888788888889889088918892889388948895889688978898889989008901890289038904890589068907890889098910891189128913891489158916891789188919892089218922892389248925892689278928892989308931893289338934893589368937893889398940894189428943894489458946894789488949895089518952895389548955895689578958895989608961896289638964896589668967896889698970897189728973897489758976897789788979898089818982898389848985898689878988898989908991899289938994899589968997899889999000900190029003900490059006900790089009901090119012901390149015901690179018901990209021902290239024902590269027902890299030903190329033903490359036903790389039904090419042904390449045904690479048904990509051905290539054905590569057905890599060906190629063906490659066906790689069907090719072907390749075907690779078907990809081908290839084908590869087908890899090909190929093909490959096909790989099910091019102910391049105910691079108910991109111911291139114911591169117911891199120912191229123912491259126912791289129913091319132913391349135913691379138913991409141914291439144914591469147914891499150915191529153915491559156915791589159916091619162916391649165916691679168916991709171917291739174917591769177917891799180918191829183918491859186918791889189919091919192919391949195919691979198919992009201920292039204920592069207920892099210921192129213921492159216921792189219922092219222922392249225922692279228922992309231923292339234923592369237923892399240924192429243924492459246924792489249925092519252925392549255925692579258925992609261926292639264926592669267926892699270927192729273927492759276927792789279928092819282928392849285928692879288928992909291929292939294929592969297929892999300930193029303930493059306930793089309931093119312931393149315931693179318931993209321932293239324932593269327932893299330933193329333933493359336933793389339934093419342934393449345934693479348934993509351935293539354935593569357935893599360936193629363936493659366936793689369937093719372937393749375937693779378937993809381938293839384938593869387938893899390939193929393939493959396939793989399940094019402940394049405940694079408940994109411941294139414941594169417941894199420942194229423942494259426942794289429943094319432943394349435943694379438943994409441944294439444944594469447944894499450945194529453945494559456945794589459946094619462946394649465946694679468946994709471947294739474947594769477947894799480948194829483948494859486948794889489949094919492949394949495949694979498949995009501950295039504950595069507950895099510951195129513951495159516951795189519952095219522952395249525952695279528952995309531953295339534953595369537953895399540954195429543954495459546954795489549955095519552955395549555955695579558955995609561956295639564956595669567956895699570957195729573957495759576957795789579958095819582958395849585958695879588958995909591959295939594959595969597959895999600960196029603960496059606960796089609961096119612961396149615961696179618961996209621962296239624962596269627962896299630963196329633963496359636963796389639964096419642964396449645964696479648964996509651965296539654965596569657965896599660966196629663966496659666966796689669967096719672967396749675967696779678967996809681968296839684968596869687968896899690969196929693969496959696969796989699970097019702970397049705970697079708970997109711971297139714971597169717971897199720972197229723972497259726972797289729973097319732973397349735973697379738973997409741974297439744974597469747974897499750975197529753975497559756975797589759976097619762976397649765976697679768976997709771977297739774977597769777977897799780978197829783978497859786978797889789979097919792979397949795979697979798979998009801980298039804980598069807980898099810981198129813981498159816981798189819982098219822982398249825982698279828982998309831983298339834983598369837983898399840984198429843984498459846984798489849985098519852985398549855985698579858985998609861986298639864986598669867986898699870987198729873987498759876987798789879988098819882988398849885988698879888988998909891989298939894989598969897989898999900990199029903990499059906990799089909991099119912991399149915991699179918991999209921992299239924992599269927992899299930993199329933993499359936993799389939994099419942994399449945994699479948994999509951995299539954995599569957995899599960996199629963996499659966996799689969997099719972997399749975997699779978997999809981998299839984998599869987998899899990999199929993999499959996999799989999100001000110002100031000410005100061000710008100091001010011100121001310014100151001610017100181001910020100211002210023100241002510026100271002810029100301003110032100331003410035100361003710038100391004010041100421004310044100451004610047100481004910050100511005210053100541005510056100571005810059100601006110062100631006410065100661006710068100691007010071100721007310074100751007610077100781007910080100811008210083100841008510086100871008810089100901009110092100931009410095100961009710098100991010010101101021010310104101051010610107101081010910110101111011210113101141011510116101171011810119101201012110122101231012410125101261012710128101291013010131101321013310134101351013610137101381013910140101411014210143101441014510146101471014810149101501015110152101531015410155101561015710158101591016010161101621016310164101651016610167101681016910170101711017210173101741017510176101771017810179101801018110182101831018410185101861018710188101891019010191101921019310194101951019610197101981019910200102011020210203102041020510206102071020810209102101021110212102131021410215102161021710218102191022010221102221022310224102251022610227102281022910230102311023210233102341023510236102371023810239102401024110242102431024410245102461024710248102491025010251102521025310254102551025610257102581025910260102611026210263102641026510266102671026810269102701027110272102731027410275102761027710278102791028010281102821028310284102851028610287102881028910290102911029210293102941029510296102971029810299103001030110302103031030410305103061030710308103091031010311103121031310314103151031610317103181031910320103211032210323103241032510326103271032810329103301033110332103331033410335103361033710338103391034010341103421034310344103451034610347103481034910350103511035210353103541035510356103571035810359103601036110362103631036410365103661036710368103691037010371103721037310374103751037610377103781037910380103811038210383103841038510386103871038810389103901039110392103931039410395103961039710398103991040010401104021040310404104051040610407104081040910410104111041210413104141041510416104171041810419104201042110422104231042410425104261042710428104291043010431104321043310434104351043610437104381043910440104411044210443104441044510446104471044810449104501045110452104531045410455104561045710458104591046010461104621046310464104651046610467104681046910470104711047210473104741047510476104771047810479104801048110482104831048410485104861048710488104891049010491104921049310494104951049610497104981049910500105011050210503105041050510506105071050810509105101051110512105131051410515105161051710518105191052010521105221052310524105251052610527105281052910530105311053210533105341053510536105371053810539105401054110542105431054410545105461054710548105491055010551105521055310554105551055610557105581055910560105611056210563105641056510566105671056810569105701057110572105731057410575105761057710578105791058010581105821058310584105851058610587105881058910590105911059210593105941059510596105971059810599106001060110602106031060410605106061060710608106091061010611106121061310614106151061610617106181061910620106211062210623106241062510626106271062810629106301063110632106331063410635106361063710638106391064010641106421064310644106451064610647106481064910650106511065210653106541065510656106571065810659106601066110662106631066410665106661066710668106691067010671106721067310674106751067610677106781067910680106811068210683106841068510686106871068810689106901069110692106931069410695106961069710698106991070010701107021070310704107051070610707107081070910710107111071210713107141071510716107171071810719107201072110722107231072410725107261072710728107291073010731107321073310734107351073610737107381073910740107411074210743107441074510746107471074810749107501075110752107531075410755107561075710758107591076010761107621076310764107651076610767107681076910770107711077210773107741077510776107771077810779107801078110782107831078410785107861078710788107891079010791107921079310794107951079610797107981079910800108011080210803108041080510806108071080810809108101081110812108131081410815108161081710818108191082010821108221082310824108251082610827108281082910830108311083210833108341083510836108371083810839108401084110842108431084410845108461084710848108491085010851108521085310854108551085610857108581085910860108611086210863108641086510866108671086810869108701087110872108731087410875108761087710878108791088010881108821088310884108851088610887108881088910890108911089210893108941089510896108971089810899109001090110902109031090410905109061090710908109091091010911109121091310914109151091610917109181091910920109211092210923109241092510926109271092810929109301093110932109331093410935109361093710938109391094010941109421094310944109451094610947109481094910950109511095210953109541095510956109571095810959109601096110962109631096410965109661096710968109691097010971109721097310974109751097610977109781097910980109811098210983109841098510986109871098810989109901099110992109931099410995109961099710998109991100011001110021100311004110051100611007110081100911010110111101211013110141101511016110171101811019110201102111022110231102411025110261102711028110291103011031110321103311034110351103611037110381103911040110411104211043110441104511046110471104811049110501105111052110531105411055110561105711058110591106011061110621106311064110651106611067110681106911070110711107211073110741107511076110771107811079110801108111082110831108411085110861108711088110891109011091110921109311094110951109611097110981109911100111011110211103111041110511106111071110811109111101111111112111131111411115111161111711118111191112011121111221112311124111251112611127111281112911130111311113211133111341113511136111371113811139111401114111142111431114411145111461114711148111491115011151111521115311154111551115611157111581115911160111611116211163111641116511166111671116811169111701117111172111731117411175111761117711178111791118011181111821118311184111851118611187111881118911190111911119211193111941119511196111971119811199112001120111202112031120411205112061120711208112091121011211112121121311214112151121611217112181121911220112211122211223112241122511226112271122811229112301123111232112331123411235112361123711238112391124011241112421124311244112451124611247112481124911250112511125211253112541125511256112571125811259112601126111262112631126411265112661126711268112691127011271112721127311274112751127611277112781127911280112811128211283112841128511286112871128811289112901129111292112931129411295112961129711298112991130011301113021130311304113051130611307113081130911310113111131211313113141131511316113171131811319113201132111322113231132411325113261132711328113291133011331113321133311334113351133611337113381133911340113411134211343113441134511346113471134811349113501135111352113531135411355113561135711358113591136011361113621136311364113651136611367113681136911370113711137211373113741137511376113771137811379113801138111382113831138411385113861138711388113891139011391113921139311394113951139611397113981139911400114011140211403114041140511406114071140811409114101141111412114131141411415114161141711418114191142011421114221142311424114251142611427114281142911430114311143211433114341143511436114371143811439114401144111442114431144411445114461144711448114491145011451114521145311454114551145611457114581145911460114611146211463114641146511466114671146811469114701147111472114731147411475114761147711478114791148011481114821148311484114851148611487114881148911490114911149211493114941149511496114971149811499115001150111502115031150411505115061150711508115091151011511115121151311514115151151611517115181151911520115211152211523115241152511526115271152811529115301153111532115331153411535115361153711538115391154011541115421154311544115451154611547115481154911550115511155211553115541155511556115571155811559115601156111562115631156411565115661156711568115691157011571115721157311574115751157611577115781157911580115811158211583115841158511586115871158811589115901159111592115931159411595115961159711598115991160011601116021160311604116051160611607116081160911610116111161211613116141161511616116171161811619116201162111622116231162411625116261162711628116291163011631116321163311634116351163611637116381163911640116411164211643116441164511646116471164811649116501165111652116531165411655116561165711658116591166011661116621166311664116651166611667116681166911670116711167211673116741167511676116771167811679116801168111682116831168411685116861168711688116891169011691116921169311694116951169611697116981169911700117011170211703117041170511706117071170811709117101171111712117131171411715117161171711718117191172011721117221172311724117251172611727117281172911730117311173211733117341173511736117371173811739117401174111742117431174411745117461174711748117491175011751117521175311754117551175611757117581175911760117611176211763117641176511766117671176811769117701177111772117731177411775117761177711778117791178011781117821178311784117851178611787117881178911790117911179211793117941179511796117971179811799118001180111802118031180411805118061180711808118091181011811118121181311814118151181611817118181181911820118211182211823118241182511826118271182811829118301183111832118331183411835118361183711838118391184011841118421184311844118451184611847118481184911850118511185211853118541185511856118571185811859118601186111862118631186411865118661186711868118691187011871118721187311874118751187611877118781187911880118811188211883118841188511886118871188811889118901189111892118931189411895118961189711898118991190011901119021190311904119051190611907119081190911910119111191211913119141191511916119171191811919119201192111922119231192411925119261192711928119291193011931119321193311934119351193611937119381193911940119411194211943119441194511946119471194811949119501195111952119531195411955119561195711958119591196011961119621196311964119651196611967119681196911970119711197211973119741197511976119771197811979119801198111982119831198411985119861198711988119891199011991119921199311994119951199611997119981199912000120011200212003120041200512006120071200812009120101201112012120131201412015120161201712018120191202012021120221202312024120251202612027120281202912030120311203212033120341203512036120371203812039120401204112042120431204412045120461204712048120491205012051120521205312054120551205612057120581205912060120611206212063120641206512066120671206812069120701207112072120731207412075120761207712078120791208012081120821208312084120851208612087120881208912090120911209212093120941209512096120971209812099121001210112102121031210412105121061210712108121091211012111121121211312114121151211612117121181211912120121211212212123121241212512126121271212812129121301213112132121331213412135121361213712138121391214012141121421214312144121451214612147121481214912150121511215212153121541215512156121571215812159121601216112162121631216412165121661216712168121691217012171121721217312174121751217612177121781217912180121811218212183121841218512186121871218812189121901219112192121931219412195121961219712198121991220012201122021220312204122051220612207122081220912210122111221212213122141221512216122171221812219122201222112222122231222412225122261222712228122291223012231122321223312234122351223612237122381223912240122411224212243122441224512246122471224812249122501225112252122531225412255122561225712258122591226012261122621226312264122651226612267122681226912270122711227212273122741227512276122771227812279122801228112282122831228412285122861228712288122891229012291122921229312294122951229612297122981229912300123011230212303123041230512306123071230812309123101231112312123131231412315123161231712318123191232012321123221232312324123251232612327123281232912330123311233212333123341233512336123371233812339123401234112342123431234412345123461234712348123491235012351123521235312354123551235612357123581235912360123611236212363123641236512366123671236812369123701237112372123731237412375123761237712378123791238012381123821238312384123851238612387123881238912390123911239212393123941239512396123971239812399124001240112402124031240412405124061240712408124091241012411124121241312414124151241612417124181241912420124211242212423124241242512426124271242812429124301243112432124331243412435124361243712438124391244012441124421244312444124451244612447124481244912450124511245212453124541245512456124571245812459124601246112462124631246412465124661246712468124691247012471124721247312474124751247612477124781247912480124811248212483124841248512486124871248812489124901249112492124931249412495124961249712498124991250012501125021250312504125051250612507125081250912510125111251212513125141251512516125171251812519125201252112522125231252412525125261252712528125291253012531125321253312534125351253612537125381253912540125411254212543125441254512546125471254812549125501255112552125531255412555125561255712558125591256012561125621256312564125651256612567125681256912570125711257212573125741257512576125771257812579125801258112582125831258412585125861258712588125891259012591125921259312594125951259612597125981259912600126011260212603126041260512606126071260812609126101261112612126131261412615126161261712618126191262012621126221262312624126251262612627126281262912630126311263212633126341263512636126371263812639126401264112642126431264412645126461264712648126491265012651126521265312654126551265612657126581265912660126611266212663126641266512666126671266812669126701267112672126731267412675126761267712678126791268012681126821268312684126851268612687126881268912690126911269212693126941269512696126971269812699127001270112702127031270412705127061270712708127091271012711127121271312714127151271612717127181271912720127211272212723127241272512726127271272812729127301273112732127331273412735127361273712738127391274012741127421274312744127451274612747127481274912750127511275212753127541275512756127571275812759127601276112762127631276412765127661276712768127691277012771127721277312774127751277612777127781277912780127811278212783127841278512786127871278812789127901279112792127931279412795127961279712798127991280012801128021280312804128051280612807128081280912810128111281212813128141281512816128171281812819128201282112822128231282412825128261282712828128291283012831128321283312834128351283612837128381283912840128411284212843128441284512846128471284812849128501285112852128531285412855128561285712858128591286012861128621286312864128651286612867128681286912870128711287212873128741287512876128771287812879128801288112882128831288412885128861288712888128891289012891128921289312894128951289612897128981289912900129011290212903129041290512906129071290812909129101291112912129131291412915129161291712918129191292012921129221292312924129251292612927129281292912930129311293212933129341293512936129371293812939129401294112942129431294412945129461294712948129491295012951129521295312954129551295612957129581295912960129611296212963129641296512966129671296812969129701297112972129731297412975129761297712978129791298012981129821298312984129851298612987129881298912990129911299212993129941299512996129971299812999130001300113002130031300413005130061300713008130091301013011130121301313014130151301613017130181301913020130211302213023130241302513026130271302813029130301303113032130331303413035130361303713038130391304013041130421304313044130451304613047130481304913050130511305213053130541305513056130571305813059130601306113062130631306413065130661306713068130691307013071130721307313074130751307613077130781307913080130811308213083130841308513086130871308813089130901309113092130931309413095130961309713098130991310013101131021310313104131051310613107131081310913110131111311213113131141311513116131171311813119131201312113122131231312413125131261312713128131291313013131131321313313134131351313613137131381313913140131411314213143131441314513146131471314813149131501315113152131531315413155131561315713158131591316013161131621316313164131651316613167131681316913170131711317213173131741317513176131771317813179131801318113182131831318413185131861318713188131891319013191131921319313194131951319613197131981319913200132011320213203132041320513206132071320813209132101321113212132131321413215132161321713218132191322013221132221322313224132251322613227132281322913230132311323213233132341323513236132371323813239132401324113242132431324413245132461324713248132491325013251132521325313254132551325613257132581325913260132611326213263132641326513266132671326813269132701327113272132731327413275132761327713278132791328013281132821328313284132851328613287132881328913290132911329213293132941329513296132971329813299133001330113302133031330413305133061330713308133091331013311133121331313314133151331613317133181331913320133211332213323133241332513326133271332813329133301333113332133331333413335133361333713338133391334013341133421334313344133451334613347133481334913350133511335213353133541335513356133571335813359133601336113362133631336413365133661336713368133691337013371133721337313374133751337613377133781337913380133811338213383133841338513386133871338813389133901339113392133931339413395133961339713398133991340013401134021340313404134051340613407134081340913410134111341213413134141341513416134171341813419134201342113422134231342413425134261342713428134291343013431134321343313434134351343613437134381343913440134411344213443134441344513446134471344813449134501345113452134531345413455134561345713458134591346013461134621346313464134651346613467134681346913470134711347213473134741347513476134771347813479134801348113482134831348413485134861348713488134891349013491134921349313494134951349613497134981349913500135011350213503135041350513506135071350813509135101351113512135131351413515135161351713518135191352013521135221352313524135251352613527135281352913530135311353213533135341353513536135371353813539135401354113542135431354413545135461354713548135491355013551135521355313554135551355613557135581355913560135611356213563135641356513566135671356813569135701357113572135731357413575135761357713578135791358013581135821358313584135851358613587135881358913590135911359213593135941359513596135971359813599136001360113602136031360413605136061360713608136091361013611136121361313614
  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  113. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  114. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  115. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  116. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  117. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  118. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  119. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  120. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  121. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  122. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  123. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  124. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  125. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  126. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  127. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  128. #define LINK_UPDATE_MASK \
  129. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  130. LINK_STATUS_LINK_UP | \
  131. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  132. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  133. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  135. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  136. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  137. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  138. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  139. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  140. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  141. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  142. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  143. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  144. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  145. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  146. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  147. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  148. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  149. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  150. #define SFP_EEPROM_OPTIONS_SIZE 2
  151. #define EDC_MODE_LINEAR 0x0022
  152. #define EDC_MODE_LIMITING 0x0044
  153. #define EDC_MODE_PASSIVE_DAC 0x0055
  154. /* ETS defines*/
  155. #define DCBX_INVALID_COS (0xFF)
  156. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  157. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  158. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  159. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  160. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  161. #define MAX_PACKET_SIZE (9700)
  162. #define MAX_KR_LINK_RETRY 4
  163. /**********************************************************/
  164. /* INTERFACE */
  165. /**********************************************************/
  166. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  167. bnx2x_cl45_write(_bp, _phy, \
  168. (_phy)->def_md_devad, \
  169. (_bank + (_addr & 0xf)), \
  170. _val)
  171. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_read(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  177. {
  178. u32 val = REG_RD(bp, reg);
  179. val |= bits;
  180. REG_WR(bp, reg, val);
  181. return val;
  182. }
  183. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  184. {
  185. u32 val = REG_RD(bp, reg);
  186. val &= ~bits;
  187. REG_WR(bp, reg, val);
  188. return val;
  189. }
  190. /*
  191. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  192. * or link flap can be avoided.
  193. *
  194. * @params: link parameters
  195. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  196. * condition code.
  197. */
  198. static int bnx2x_check_lfa(struct link_params *params)
  199. {
  200. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  201. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  202. u32 saved_val, req_val, eee_status;
  203. struct bnx2x *bp = params->bp;
  204. additional_config =
  205. REG_RD(bp, params->lfa_base +
  206. offsetof(struct shmem_lfa, additional_config));
  207. /* NOTE: must be first condition checked -
  208. * to verify DCC bit is cleared in any case!
  209. */
  210. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  211. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  212. REG_WR(bp, params->lfa_base +
  213. offsetof(struct shmem_lfa, additional_config),
  214. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  215. return LFA_DCC_LFA_DISABLED;
  216. }
  217. /* Verify that link is up */
  218. link_status = REG_RD(bp, params->shmem_base +
  219. offsetof(struct shmem_region,
  220. port_mb[params->port].link_status));
  221. if (!(link_status & LINK_STATUS_LINK_UP))
  222. return LFA_LINK_DOWN;
  223. /* Verify that loopback mode is not set */
  224. if (params->loopback_mode)
  225. return LFA_LOOPBACK_ENABLED;
  226. /* Verify that MFW supports LFA */
  227. if (!params->lfa_base)
  228. return LFA_MFW_IS_TOO_OLD;
  229. if (params->num_phys == 3) {
  230. cfg_size = 2;
  231. lfa_mask = 0xffffffff;
  232. } else {
  233. cfg_size = 1;
  234. lfa_mask = 0xffff;
  235. }
  236. /* Compare Duplex */
  237. saved_val = REG_RD(bp, params->lfa_base +
  238. offsetof(struct shmem_lfa, req_duplex));
  239. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  240. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  241. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  242. (saved_val & lfa_mask), (req_val & lfa_mask));
  243. return LFA_DUPLEX_MISMATCH;
  244. }
  245. /* Compare Flow Control */
  246. saved_val = REG_RD(bp, params->lfa_base +
  247. offsetof(struct shmem_lfa, req_flow_ctrl));
  248. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  249. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  250. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  251. (saved_val & lfa_mask), (req_val & lfa_mask));
  252. return LFA_FLOW_CTRL_MISMATCH;
  253. }
  254. /* Compare Link Speed */
  255. saved_val = REG_RD(bp, params->lfa_base +
  256. offsetof(struct shmem_lfa, req_line_speed));
  257. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  258. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  259. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  260. (saved_val & lfa_mask), (req_val & lfa_mask));
  261. return LFA_LINK_SPEED_MISMATCH;
  262. }
  263. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  264. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  265. offsetof(struct shmem_lfa,
  266. speed_cap_mask[cfg_idx]));
  267. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  268. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  269. cur_speed_cap_mask,
  270. params->speed_cap_mask[cfg_idx]);
  271. return LFA_SPEED_CAP_MISMATCH;
  272. }
  273. }
  274. cur_req_fc_auto_adv =
  275. REG_RD(bp, params->lfa_base +
  276. offsetof(struct shmem_lfa, additional_config)) &
  277. REQ_FC_AUTO_ADV_MASK;
  278. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  279. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  280. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  281. return LFA_FLOW_CTRL_MISMATCH;
  282. }
  283. eee_status = REG_RD(bp, params->shmem2_base +
  284. offsetof(struct shmem2_region,
  285. eee_status[params->port]));
  286. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  287. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  288. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  289. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  290. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  291. eee_status);
  292. return LFA_EEE_MISMATCH;
  293. }
  294. /* LFA conditions are met */
  295. return 0;
  296. }
  297. /******************************************************************/
  298. /* EPIO/GPIO section */
  299. /******************************************************************/
  300. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  301. {
  302. u32 epio_mask, gp_oenable;
  303. *en = 0;
  304. /* Sanity check */
  305. if (epio_pin > 31) {
  306. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  307. return;
  308. }
  309. epio_mask = 1 << epio_pin;
  310. /* Set this EPIO to output */
  311. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  312. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  313. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  314. }
  315. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  316. {
  317. u32 epio_mask, gp_output, gp_oenable;
  318. /* Sanity check */
  319. if (epio_pin > 31) {
  320. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  321. return;
  322. }
  323. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  324. epio_mask = 1 << epio_pin;
  325. /* Set this EPIO to output */
  326. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  327. if (en)
  328. gp_output |= epio_mask;
  329. else
  330. gp_output &= ~epio_mask;
  331. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  332. /* Set the value for this EPIO */
  333. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  334. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  335. }
  336. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  337. {
  338. if (pin_cfg == PIN_CFG_NA)
  339. return;
  340. if (pin_cfg >= PIN_CFG_EPIO0) {
  341. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  342. } else {
  343. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  344. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  345. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  346. }
  347. }
  348. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  349. {
  350. if (pin_cfg == PIN_CFG_NA)
  351. return -EINVAL;
  352. if (pin_cfg >= PIN_CFG_EPIO0) {
  353. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  354. } else {
  355. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  356. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  357. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  358. }
  359. return 0;
  360. }
  361. /******************************************************************/
  362. /* ETS section */
  363. /******************************************************************/
  364. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  365. {
  366. /* ETS disabled configuration*/
  367. struct bnx2x *bp = params->bp;
  368. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  369. /* mapping between entry priority to client number (0,1,2 -debug and
  370. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  371. * 3bits client num.
  372. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  373. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  374. */
  375. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  376. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  377. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  378. * COS0 entry, 4 - COS1 entry.
  379. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  380. * bit4 bit3 bit2 bit1 bit0
  381. * MCP and debug are strict
  382. */
  383. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  384. /* defines which entries (clients) are subjected to WFQ arbitration */
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  386. /* For strict priority entries defines the number of consecutive
  387. * slots for the highest priority.
  388. */
  389. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  390. /* mapping between the CREDIT_WEIGHT registers and actual client
  391. * numbers
  392. */
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  397. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  398. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  399. /* ETS mode disable */
  400. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  401. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  402. * weight for COS0/COS1.
  403. */
  404. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  405. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  406. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  407. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  408. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  409. /* Defines the number of consecutive slots for the strict priority */
  410. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  411. }
  412. /******************************************************************************
  413. * Description:
  414. * Getting min_w_val will be set according to line speed .
  415. *.
  416. ******************************************************************************/
  417. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  418. {
  419. u32 min_w_val = 0;
  420. /* Calculate min_w_val.*/
  421. if (vars->link_up) {
  422. if (vars->line_speed == SPEED_20000)
  423. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  424. else
  425. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  426. } else
  427. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  428. /* If the link isn't up (static configuration for example ) The
  429. * link will be according to 20GBPS.
  430. */
  431. return min_w_val;
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting credit upper bound form min_w_val.
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  439. {
  440. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  441. MAX_PACKET_SIZE);
  442. return credit_upper_bound;
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Set credit upper bound for NIG.
  447. *.
  448. ******************************************************************************/
  449. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  450. const struct link_params *params,
  451. const u32 min_w_val)
  452. {
  453. struct bnx2x *bp = params->bp;
  454. const u8 port = params->port;
  455. const u32 credit_upper_bound =
  456. bnx2x_ets_get_credit_upper_bound(min_w_val);
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  458. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  459. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  460. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  462. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  463. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  464. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  465. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  466. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  467. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  468. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  469. if (!port) {
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  471. credit_upper_bound);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  473. credit_upper_bound);
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  475. credit_upper_bound);
  476. }
  477. }
  478. /******************************************************************************
  479. * Description:
  480. * Will return the NIG ETS registers to init values.Except
  481. * credit_upper_bound.
  482. * That isn't used in this configuration (No WFQ is enabled) and will be
  483. * configured acording to spec
  484. *.
  485. ******************************************************************************/
  486. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  487. const struct link_vars *vars)
  488. {
  489. struct bnx2x *bp = params->bp;
  490. const u8 port = params->port;
  491. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  492. /* Mapping between entry priority to client number (0,1,2 -debug and
  493. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  494. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  495. * reset value or init tool
  496. */
  497. if (port) {
  498. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  499. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  500. } else {
  501. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  502. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  503. }
  504. /* For strict priority entries defines the number of consecutive
  505. * slots for the highest priority.
  506. */
  507. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  508. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  509. /* Mapping between the CREDIT_WEIGHT registers and actual client
  510. * numbers
  511. */
  512. if (port) {
  513. /*Port 1 has 6 COS*/
  514. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  515. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  516. } else {
  517. /*Port 0 has 9 COS*/
  518. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  519. 0x43210876);
  520. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  521. }
  522. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  523. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  524. * COS0 entry, 4 - COS1 entry.
  525. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  526. * bit4 bit3 bit2 bit1 bit0
  527. * MCP and debug are strict
  528. */
  529. if (port)
  530. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  531. else
  532. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  533. /* defines which entries (clients) are subjected to WFQ arbitration */
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  535. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  536. /* Please notice the register address are note continuous and a
  537. * for here is note appropriate.In 2 port mode port0 only COS0-5
  538. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  539. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  540. * are never used for WFQ
  541. */
  542. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  543. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  544. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  545. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  546. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  547. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  548. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  549. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  550. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  551. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  552. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  553. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  554. if (!port) {
  555. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  556. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  557. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  558. }
  559. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  560. }
  561. /******************************************************************************
  562. * Description:
  563. * Set credit upper bound for PBF.
  564. *.
  565. ******************************************************************************/
  566. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  567. const struct link_params *params,
  568. const u32 min_w_val)
  569. {
  570. struct bnx2x *bp = params->bp;
  571. const u32 credit_upper_bound =
  572. bnx2x_ets_get_credit_upper_bound(min_w_val);
  573. const u8 port = params->port;
  574. u32 base_upper_bound = 0;
  575. u8 max_cos = 0;
  576. u8 i = 0;
  577. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  578. * port mode port1 has COS0-2 that can be used for WFQ.
  579. */
  580. if (!port) {
  581. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  582. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  583. } else {
  584. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  585. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  586. }
  587. for (i = 0; i < max_cos; i++)
  588. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  589. }
  590. /******************************************************************************
  591. * Description:
  592. * Will return the PBF ETS registers to init values.Except
  593. * credit_upper_bound.
  594. * That isn't used in this configuration (No WFQ is enabled) and will be
  595. * configured acording to spec
  596. *.
  597. ******************************************************************************/
  598. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  599. {
  600. struct bnx2x *bp = params->bp;
  601. const u8 port = params->port;
  602. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  603. u8 i = 0;
  604. u32 base_weight = 0;
  605. u8 max_cos = 0;
  606. /* Mapping between entry priority to client number 0 - COS0
  607. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  608. * TODO_ETS - Should be done by reset value or init tool
  609. */
  610. if (port)
  611. /* 0x688 (|011|0 10|00 1|000) */
  612. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  613. else
  614. /* (10 1|100 |011|0 10|00 1|000) */
  615. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  616. /* TODO_ETS - Should be done by reset value or init tool */
  617. if (port)
  618. /* 0x688 (|011|0 10|00 1|000)*/
  619. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  620. else
  621. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  622. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  623. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  624. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  625. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  626. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  627. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  628. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  629. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  630. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  631. */
  632. if (!port) {
  633. base_weight = PBF_REG_COS0_WEIGHT_P0;
  634. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  635. } else {
  636. base_weight = PBF_REG_COS0_WEIGHT_P1;
  637. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  638. }
  639. for (i = 0; i < max_cos; i++)
  640. REG_WR(bp, base_weight + (0x4 * i), 0);
  641. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  642. }
  643. /******************************************************************************
  644. * Description:
  645. * E3B0 disable will return basicly the values to init values.
  646. *.
  647. ******************************************************************************/
  648. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  649. const struct link_vars *vars)
  650. {
  651. struct bnx2x *bp = params->bp;
  652. if (!CHIP_IS_E3B0(bp)) {
  653. DP(NETIF_MSG_LINK,
  654. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  655. return -EINVAL;
  656. }
  657. bnx2x_ets_e3b0_nig_disabled(params, vars);
  658. bnx2x_ets_e3b0_pbf_disabled(params);
  659. return 0;
  660. }
  661. /******************************************************************************
  662. * Description:
  663. * Disable will return basicly the values to init values.
  664. *
  665. ******************************************************************************/
  666. int bnx2x_ets_disabled(struct link_params *params,
  667. struct link_vars *vars)
  668. {
  669. struct bnx2x *bp = params->bp;
  670. int bnx2x_status = 0;
  671. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  672. bnx2x_ets_e2e3a0_disabled(params);
  673. else if (CHIP_IS_E3B0(bp))
  674. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  675. else {
  676. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  677. return -EINVAL;
  678. }
  679. return bnx2x_status;
  680. }
  681. /******************************************************************************
  682. * Description
  683. * Set the COS mappimg to SP and BW until this point all the COS are not
  684. * set as SP or BW.
  685. ******************************************************************************/
  686. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  687. const struct bnx2x_ets_params *ets_params,
  688. const u8 cos_sp_bitmap,
  689. const u8 cos_bw_bitmap)
  690. {
  691. struct bnx2x *bp = params->bp;
  692. const u8 port = params->port;
  693. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  694. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  695. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  696. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  697. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  698. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  699. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  700. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  701. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  702. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  703. nig_cli_subject2wfq_bitmap);
  704. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  705. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  706. pbf_cli_subject2wfq_bitmap);
  707. return 0;
  708. }
  709. /******************************************************************************
  710. * Description:
  711. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  712. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  713. ******************************************************************************/
  714. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  715. const u8 cos_entry,
  716. const u32 min_w_val_nig,
  717. const u32 min_w_val_pbf,
  718. const u16 total_bw,
  719. const u8 bw,
  720. const u8 port)
  721. {
  722. u32 nig_reg_adress_crd_weight = 0;
  723. u32 pbf_reg_adress_crd_weight = 0;
  724. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  725. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  726. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  727. switch (cos_entry) {
  728. case 0:
  729. nig_reg_adress_crd_weight =
  730. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  731. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  732. pbf_reg_adress_crd_weight = (port) ?
  733. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  734. break;
  735. case 1:
  736. nig_reg_adress_crd_weight = (port) ?
  737. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  739. pbf_reg_adress_crd_weight = (port) ?
  740. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  741. break;
  742. case 2:
  743. nig_reg_adress_crd_weight = (port) ?
  744. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  745. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  746. pbf_reg_adress_crd_weight = (port) ?
  747. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  748. break;
  749. case 3:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  754. pbf_reg_adress_crd_weight =
  755. PBF_REG_COS3_WEIGHT_P0;
  756. break;
  757. case 4:
  758. if (port)
  759. return -EINVAL;
  760. nig_reg_adress_crd_weight =
  761. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  762. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  763. break;
  764. case 5:
  765. if (port)
  766. return -EINVAL;
  767. nig_reg_adress_crd_weight =
  768. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  769. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  770. break;
  771. }
  772. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  773. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  774. return 0;
  775. }
  776. /******************************************************************************
  777. * Description:
  778. * Calculate the total BW.A value of 0 isn't legal.
  779. *
  780. ******************************************************************************/
  781. static int bnx2x_ets_e3b0_get_total_bw(
  782. const struct link_params *params,
  783. struct bnx2x_ets_params *ets_params,
  784. u16 *total_bw)
  785. {
  786. struct bnx2x *bp = params->bp;
  787. u8 cos_idx = 0;
  788. u8 is_bw_cos_exist = 0;
  789. *total_bw = 0 ;
  790. /* Calculate total BW requested */
  791. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  792. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  793. is_bw_cos_exist = 1;
  794. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  795. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  796. "was set to 0\n");
  797. /* This is to prevent a state when ramrods
  798. * can't be sent
  799. */
  800. ets_params->cos[cos_idx].params.bw_params.bw
  801. = 1;
  802. }
  803. *total_bw +=
  804. ets_params->cos[cos_idx].params.bw_params.bw;
  805. }
  806. }
  807. /* Check total BW is valid */
  808. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  809. if (*total_bw == 0) {
  810. DP(NETIF_MSG_LINK,
  811. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  812. return -EINVAL;
  813. }
  814. DP(NETIF_MSG_LINK,
  815. "bnx2x_ets_E3B0_config total BW should be 100\n");
  816. /* We can handle a case whre the BW isn't 100 this can happen
  817. * if the TC are joined.
  818. */
  819. }
  820. return 0;
  821. }
  822. /******************************************************************************
  823. * Description:
  824. * Invalidate all the sp_pri_to_cos.
  825. *
  826. ******************************************************************************/
  827. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  828. {
  829. u8 pri = 0;
  830. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  831. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  832. }
  833. /******************************************************************************
  834. * Description:
  835. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  836. * according to sp_pri_to_cos.
  837. *
  838. ******************************************************************************/
  839. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  840. u8 *sp_pri_to_cos, const u8 pri,
  841. const u8 cos_entry)
  842. {
  843. struct bnx2x *bp = params->bp;
  844. const u8 port = params->port;
  845. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  846. DCBX_E3B0_MAX_NUM_COS_PORT0;
  847. if (pri >= max_num_of_cos) {
  848. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  849. "parameter Illegal strict priority\n");
  850. return -EINVAL;
  851. }
  852. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  853. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  854. "parameter There can't be two COS's with "
  855. "the same strict pri\n");
  856. return -EINVAL;
  857. }
  858. sp_pri_to_cos[pri] = cos_entry;
  859. return 0;
  860. }
  861. /******************************************************************************
  862. * Description:
  863. * Returns the correct value according to COS and priority in
  864. * the sp_pri_cli register.
  865. *
  866. ******************************************************************************/
  867. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  868. const u8 pri_set,
  869. const u8 pri_offset,
  870. const u8 entry_size)
  871. {
  872. u64 pri_cli_nig = 0;
  873. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  874. (pri_set + pri_offset));
  875. return pri_cli_nig;
  876. }
  877. /******************************************************************************
  878. * Description:
  879. * Returns the correct value according to COS and priority in the
  880. * sp_pri_cli register for NIG.
  881. *
  882. ******************************************************************************/
  883. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  884. {
  885. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  886. const u8 nig_cos_offset = 3;
  887. const u8 nig_pri_offset = 3;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  889. nig_pri_offset, 4);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Returns the correct value according to COS and priority in the
  894. * sp_pri_cli register for PBF.
  895. *
  896. ******************************************************************************/
  897. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  898. {
  899. const u8 pbf_cos_offset = 0;
  900. const u8 pbf_pri_offset = 0;
  901. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  902. pbf_pri_offset, 3);
  903. }
  904. /******************************************************************************
  905. * Description:
  906. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  907. * according to sp_pri_to_cos.(which COS has higher priority)
  908. *
  909. ******************************************************************************/
  910. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  911. u8 *sp_pri_to_cos)
  912. {
  913. struct bnx2x *bp = params->bp;
  914. u8 i = 0;
  915. const u8 port = params->port;
  916. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  917. u64 pri_cli_nig = 0x210;
  918. u32 pri_cli_pbf = 0x0;
  919. u8 pri_set = 0;
  920. u8 pri_bitmask = 0;
  921. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  922. DCBX_E3B0_MAX_NUM_COS_PORT0;
  923. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  924. /* Set all the strict priority first */
  925. for (i = 0; i < max_num_of_cos; i++) {
  926. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  927. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  928. DP(NETIF_MSG_LINK,
  929. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  930. "invalid cos entry\n");
  931. return -EINVAL;
  932. }
  933. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  934. sp_pri_to_cos[i], pri_set);
  935. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  936. sp_pri_to_cos[i], pri_set);
  937. pri_bitmask = 1 << sp_pri_to_cos[i];
  938. /* COS is used remove it from bitmap.*/
  939. if (!(pri_bitmask & cos_bit_to_set)) {
  940. DP(NETIF_MSG_LINK,
  941. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  942. "invalid There can't be two COS's with"
  943. " the same strict pri\n");
  944. return -EINVAL;
  945. }
  946. cos_bit_to_set &= ~pri_bitmask;
  947. pri_set++;
  948. }
  949. }
  950. /* Set all the Non strict priority i= COS*/
  951. for (i = 0; i < max_num_of_cos; i++) {
  952. pri_bitmask = 1 << i;
  953. /* Check if COS was already used for SP */
  954. if (pri_bitmask & cos_bit_to_set) {
  955. /* COS wasn't used for SP */
  956. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  957. i, pri_set);
  958. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  959. i, pri_set);
  960. /* COS is used remove it from bitmap.*/
  961. cos_bit_to_set &= ~pri_bitmask;
  962. pri_set++;
  963. }
  964. }
  965. if (pri_set != max_num_of_cos) {
  966. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  967. "entries were set\n");
  968. return -EINVAL;
  969. }
  970. if (port) {
  971. /* Only 6 usable clients*/
  972. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  973. (u32)pri_cli_nig);
  974. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  975. } else {
  976. /* Only 9 usable clients*/
  977. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  978. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  979. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  980. pri_cli_nig_lsb);
  981. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  982. pri_cli_nig_msb);
  983. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  984. }
  985. return 0;
  986. }
  987. /******************************************************************************
  988. * Description:
  989. * Configure the COS to ETS according to BW and SP settings.
  990. ******************************************************************************/
  991. int bnx2x_ets_e3b0_config(const struct link_params *params,
  992. const struct link_vars *vars,
  993. struct bnx2x_ets_params *ets_params)
  994. {
  995. struct bnx2x *bp = params->bp;
  996. int bnx2x_status = 0;
  997. const u8 port = params->port;
  998. u16 total_bw = 0;
  999. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1000. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1001. u8 cos_bw_bitmap = 0;
  1002. u8 cos_sp_bitmap = 0;
  1003. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1004. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1005. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1006. u8 cos_entry = 0;
  1007. if (!CHIP_IS_E3B0(bp)) {
  1008. DP(NETIF_MSG_LINK,
  1009. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1010. return -EINVAL;
  1011. }
  1012. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1013. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1014. "isn't supported\n");
  1015. return -EINVAL;
  1016. }
  1017. /* Prepare sp strict priority parameters*/
  1018. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1019. /* Prepare BW parameters*/
  1020. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1021. &total_bw);
  1022. if (bnx2x_status) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1025. return -EINVAL;
  1026. }
  1027. /* Upper bound is set according to current link speed (min_w_val
  1028. * should be the same for upper bound and COS credit val).
  1029. */
  1030. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1031. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1032. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1033. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1034. cos_bw_bitmap |= (1 << cos_entry);
  1035. /* The function also sets the BW in HW(not the mappin
  1036. * yet)
  1037. */
  1038. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1039. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1040. total_bw,
  1041. ets_params->cos[cos_entry].params.bw_params.bw,
  1042. port);
  1043. } else if (bnx2x_cos_state_strict ==
  1044. ets_params->cos[cos_entry].state){
  1045. cos_sp_bitmap |= (1 << cos_entry);
  1046. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1047. params,
  1048. sp_pri_to_cos,
  1049. ets_params->cos[cos_entry].params.sp_params.pri,
  1050. cos_entry);
  1051. } else {
  1052. DP(NETIF_MSG_LINK,
  1053. "bnx2x_ets_e3b0_config cos state not valid\n");
  1054. return -EINVAL;
  1055. }
  1056. if (bnx2x_status) {
  1057. DP(NETIF_MSG_LINK,
  1058. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1059. return bnx2x_status;
  1060. }
  1061. }
  1062. /* Set SP register (which COS has higher priority) */
  1063. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1064. sp_pri_to_cos);
  1065. if (bnx2x_status) {
  1066. DP(NETIF_MSG_LINK,
  1067. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1068. return bnx2x_status;
  1069. }
  1070. /* Set client mapping of BW and strict */
  1071. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1072. cos_sp_bitmap,
  1073. cos_bw_bitmap);
  1074. if (bnx2x_status) {
  1075. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1076. return bnx2x_status;
  1077. }
  1078. return 0;
  1079. }
  1080. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1081. {
  1082. /* ETS disabled configuration */
  1083. struct bnx2x *bp = params->bp;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. /* Defines which entries (clients) are subjected to WFQ arbitration
  1086. * COS0 0x8
  1087. * COS1 0x10
  1088. */
  1089. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1090. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1091. * client numbers (WEIGHT_0 does not actually have to represent
  1092. * client 0)
  1093. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1094. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1095. */
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1098. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1099. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1100. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1101. /* ETS mode enabled*/
  1102. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1103. /* Defines the number of consecutive slots for the strict priority */
  1104. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1105. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1106. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1107. * entry, 4 - COS1 entry.
  1108. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1109. * bit4 bit3 bit2 bit1 bit0
  1110. * MCP and debug are strict
  1111. */
  1112. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1113. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1114. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1115. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1116. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1117. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1118. }
  1119. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1120. const u32 cos1_bw)
  1121. {
  1122. /* ETS disabled configuration*/
  1123. struct bnx2x *bp = params->bp;
  1124. const u32 total_bw = cos0_bw + cos1_bw;
  1125. u32 cos0_credit_weight = 0;
  1126. u32 cos1_credit_weight = 0;
  1127. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1128. if ((!total_bw) ||
  1129. (!cos0_bw) ||
  1130. (!cos1_bw)) {
  1131. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1132. return;
  1133. }
  1134. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1135. total_bw;
  1136. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1137. total_bw;
  1138. bnx2x_ets_bw_limit_common(params);
  1139. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1140. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1141. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1142. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1143. }
  1144. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1145. {
  1146. /* ETS disabled configuration*/
  1147. struct bnx2x *bp = params->bp;
  1148. u32 val = 0;
  1149. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1150. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1151. * as strict. Bits 0,1,2 - debug and management entries,
  1152. * 3 - COS0 entry, 4 - COS1 entry.
  1153. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1154. * bit4 bit3 bit2 bit1 bit0
  1155. * MCP and debug are strict
  1156. */
  1157. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1158. /* For strict priority entries defines the number of consecutive slots
  1159. * for the highest priority.
  1160. */
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1162. /* ETS mode disable */
  1163. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1164. /* Defines the number of consecutive slots for the strict priority */
  1165. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1166. /* Defines the number of consecutive slots for the strict priority */
  1167. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1168. /* Mapping between entry priority to client number (0,1,2 -debug and
  1169. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1170. * 3bits client num.
  1171. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1172. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1173. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1174. */
  1175. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1176. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1177. return 0;
  1178. }
  1179. /******************************************************************/
  1180. /* PFC section */
  1181. /******************************************************************/
  1182. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1183. struct link_vars *vars,
  1184. u8 is_lb)
  1185. {
  1186. struct bnx2x *bp = params->bp;
  1187. u32 xmac_base;
  1188. u32 pause_val, pfc0_val, pfc1_val;
  1189. /* XMAC base adrr */
  1190. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1191. /* Initialize pause and pfc registers */
  1192. pause_val = 0x18000;
  1193. pfc0_val = 0xFFFF8000;
  1194. pfc1_val = 0x2;
  1195. /* No PFC support */
  1196. if (!(params->feature_config_flags &
  1197. FEATURE_CONFIG_PFC_ENABLED)) {
  1198. /* RX flow control - Process pause frame in receive direction
  1199. */
  1200. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1201. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1202. /* TX flow control - Send pause packet when buffer is full */
  1203. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1204. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1205. } else {/* PFC support */
  1206. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1207. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1208. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1209. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1210. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1211. /* Write pause and PFC registers */
  1212. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1213. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1214. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1215. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1216. }
  1217. /* Write pause and PFC registers */
  1218. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1219. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1220. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1221. /* Set MAC address for source TX Pause/PFC frames */
  1222. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1223. ((params->mac_addr[2] << 24) |
  1224. (params->mac_addr[3] << 16) |
  1225. (params->mac_addr[4] << 8) |
  1226. (params->mac_addr[5])));
  1227. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1228. ((params->mac_addr[0] << 8) |
  1229. (params->mac_addr[1])));
  1230. udelay(30);
  1231. }
  1232. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1233. u32 pfc_frames_sent[2],
  1234. u32 pfc_frames_received[2])
  1235. {
  1236. /* Read pfc statistic */
  1237. struct bnx2x *bp = params->bp;
  1238. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1239. u32 val_xon = 0;
  1240. u32 val_xoff = 0;
  1241. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1242. /* PFC received frames */
  1243. val_xoff = REG_RD(bp, emac_base +
  1244. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1245. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1246. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1247. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1248. pfc_frames_received[0] = val_xon + val_xoff;
  1249. /* PFC received sent */
  1250. val_xoff = REG_RD(bp, emac_base +
  1251. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1252. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1253. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1254. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1255. pfc_frames_sent[0] = val_xon + val_xoff;
  1256. }
  1257. /* Read pfc statistic*/
  1258. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1259. u32 pfc_frames_sent[2],
  1260. u32 pfc_frames_received[2])
  1261. {
  1262. /* Read pfc statistic */
  1263. struct bnx2x *bp = params->bp;
  1264. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1265. if (!vars->link_up)
  1266. return;
  1267. if (vars->mac_type == MAC_TYPE_EMAC) {
  1268. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1269. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1270. pfc_frames_received);
  1271. }
  1272. }
  1273. /******************************************************************/
  1274. /* MAC/PBF section */
  1275. /******************************************************************/
  1276. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1277. {
  1278. u32 mode, emac_base;
  1279. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1280. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1281. */
  1282. if (CHIP_IS_E2(bp))
  1283. emac_base = GRCBASE_EMAC0;
  1284. else
  1285. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1286. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1287. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1288. EMAC_MDIO_MODE_CLOCK_CNT);
  1289. if (USES_WARPCORE(bp))
  1290. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1291. else
  1292. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1293. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1294. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1295. udelay(40);
  1296. }
  1297. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1298. {
  1299. u32 port4mode_ovwr_val;
  1300. /* Check 4-port override enabled */
  1301. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1302. if (port4mode_ovwr_val & (1<<0)) {
  1303. /* Return 4-port mode override value */
  1304. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1305. }
  1306. /* Return 4-port mode from input pin */
  1307. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1308. }
  1309. static void bnx2x_emac_init(struct link_params *params,
  1310. struct link_vars *vars)
  1311. {
  1312. /* reset and unreset the emac core */
  1313. struct bnx2x *bp = params->bp;
  1314. u8 port = params->port;
  1315. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1316. u32 val;
  1317. u16 timeout;
  1318. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1319. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1320. udelay(5);
  1321. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1322. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1323. /* init emac - use read-modify-write */
  1324. /* self clear reset */
  1325. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1326. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1327. timeout = 200;
  1328. do {
  1329. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1330. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1331. if (!timeout) {
  1332. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1333. return;
  1334. }
  1335. timeout--;
  1336. } while (val & EMAC_MODE_RESET);
  1337. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1338. /* Set mac address */
  1339. val = ((params->mac_addr[0] << 8) |
  1340. params->mac_addr[1]);
  1341. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1342. val = ((params->mac_addr[2] << 24) |
  1343. (params->mac_addr[3] << 16) |
  1344. (params->mac_addr[4] << 8) |
  1345. params->mac_addr[5]);
  1346. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1347. }
  1348. static void bnx2x_set_xumac_nig(struct link_params *params,
  1349. u16 tx_pause_en,
  1350. u8 enable)
  1351. {
  1352. struct bnx2x *bp = params->bp;
  1353. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1354. enable);
  1355. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1356. enable);
  1357. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1358. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1359. }
  1360. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1361. {
  1362. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1363. u32 val;
  1364. struct bnx2x *bp = params->bp;
  1365. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1366. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1367. return;
  1368. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1369. if (en)
  1370. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1371. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1372. else
  1373. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1374. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1375. /* Disable RX and TX */
  1376. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1377. }
  1378. static void bnx2x_umac_enable(struct link_params *params,
  1379. struct link_vars *vars, u8 lb)
  1380. {
  1381. u32 val;
  1382. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1383. struct bnx2x *bp = params->bp;
  1384. /* Reset UMAC */
  1385. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1386. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1387. usleep_range(1000, 2000);
  1388. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1389. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1390. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1391. /* This register opens the gate for the UMAC despite its name */
  1392. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1393. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1394. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1395. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1396. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1397. switch (vars->line_speed) {
  1398. case SPEED_10:
  1399. val |= (0<<2);
  1400. break;
  1401. case SPEED_100:
  1402. val |= (1<<2);
  1403. break;
  1404. case SPEED_1000:
  1405. val |= (2<<2);
  1406. break;
  1407. case SPEED_2500:
  1408. val |= (3<<2);
  1409. break;
  1410. default:
  1411. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1412. vars->line_speed);
  1413. break;
  1414. }
  1415. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1416. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1417. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1418. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1419. if (vars->duplex == DUPLEX_HALF)
  1420. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1421. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1422. udelay(50);
  1423. /* Configure UMAC for EEE */
  1424. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1425. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1426. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1427. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1428. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1429. } else {
  1430. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1431. }
  1432. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1433. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1434. ((params->mac_addr[2] << 24) |
  1435. (params->mac_addr[3] << 16) |
  1436. (params->mac_addr[4] << 8) |
  1437. (params->mac_addr[5])));
  1438. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1439. ((params->mac_addr[0] << 8) |
  1440. (params->mac_addr[1])));
  1441. /* Enable RX and TX */
  1442. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1443. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1444. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1445. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1446. udelay(50);
  1447. /* Remove SW Reset */
  1448. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1449. /* Check loopback mode */
  1450. if (lb)
  1451. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1452. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1453. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1454. * length used by the MAC receive logic to check frames.
  1455. */
  1456. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1457. bnx2x_set_xumac_nig(params,
  1458. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1459. vars->mac_type = MAC_TYPE_UMAC;
  1460. }
  1461. /* Define the XMAC mode */
  1462. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1463. {
  1464. struct bnx2x *bp = params->bp;
  1465. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1466. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1467. * already out of reset, it means the mode has already been set,
  1468. * and it must not* reset the XMAC again, since it controls both
  1469. * ports of the path
  1470. */
  1471. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1472. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1473. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1474. is_port4mode &&
  1475. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1476. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1477. DP(NETIF_MSG_LINK,
  1478. "XMAC already out of reset in 4-port mode\n");
  1479. return;
  1480. }
  1481. /* Hard reset */
  1482. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1483. MISC_REGISTERS_RESET_REG_2_XMAC);
  1484. usleep_range(1000, 2000);
  1485. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1486. MISC_REGISTERS_RESET_REG_2_XMAC);
  1487. if (is_port4mode) {
  1488. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1489. /* Set the number of ports on the system side to up to 2 */
  1490. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1491. /* Set the number of ports on the Warp Core to 10G */
  1492. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1493. } else {
  1494. /* Set the number of ports on the system side to 1 */
  1495. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1496. if (max_speed == SPEED_10000) {
  1497. DP(NETIF_MSG_LINK,
  1498. "Init XMAC to 10G x 1 port per path\n");
  1499. /* Set the number of ports on the Warp Core to 10G */
  1500. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1501. } else {
  1502. DP(NETIF_MSG_LINK,
  1503. "Init XMAC to 20G x 2 ports per path\n");
  1504. /* Set the number of ports on the Warp Core to 20G */
  1505. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1506. }
  1507. }
  1508. /* Soft reset */
  1509. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1510. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1511. usleep_range(1000, 2000);
  1512. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1513. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1514. }
  1515. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1516. {
  1517. u8 port = params->port;
  1518. struct bnx2x *bp = params->bp;
  1519. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1520. u32 val;
  1521. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1522. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1523. /* Send an indication to change the state in the NIG back to XON
  1524. * Clearing this bit enables the next set of this bit to get
  1525. * rising edge
  1526. */
  1527. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1528. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1529. (pfc_ctrl & ~(1<<1)));
  1530. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1531. (pfc_ctrl | (1<<1)));
  1532. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1533. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1534. if (en)
  1535. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1536. else
  1537. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1538. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1539. }
  1540. }
  1541. static int bnx2x_xmac_enable(struct link_params *params,
  1542. struct link_vars *vars, u8 lb)
  1543. {
  1544. u32 val, xmac_base;
  1545. struct bnx2x *bp = params->bp;
  1546. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1547. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1548. bnx2x_xmac_init(params, vars->line_speed);
  1549. /* This register determines on which events the MAC will assert
  1550. * error on the i/f to the NIG along w/ EOP.
  1551. */
  1552. /* This register tells the NIG whether to send traffic to UMAC
  1553. * or XMAC
  1554. */
  1555. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1556. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1557. * detection.
  1558. */
  1559. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1560. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1561. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1562. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1563. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1564. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1565. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1566. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1567. }
  1568. /* Set Max packet size */
  1569. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1570. /* CRC append for Tx packets */
  1571. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1572. /* update PFC */
  1573. bnx2x_update_pfc_xmac(params, vars, 0);
  1574. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1575. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1576. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1577. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1578. } else {
  1579. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1580. }
  1581. /* Enable TX and RX */
  1582. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1583. /* Set MAC in XLGMII mode for dual-mode */
  1584. if ((vars->line_speed == SPEED_20000) &&
  1585. (params->phy[INT_PHY].supported &
  1586. SUPPORTED_20000baseKR2_Full))
  1587. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1588. /* Check loopback mode */
  1589. if (lb)
  1590. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1591. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1592. bnx2x_set_xumac_nig(params,
  1593. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1594. vars->mac_type = MAC_TYPE_XMAC;
  1595. return 0;
  1596. }
  1597. static int bnx2x_emac_enable(struct link_params *params,
  1598. struct link_vars *vars, u8 lb)
  1599. {
  1600. struct bnx2x *bp = params->bp;
  1601. u8 port = params->port;
  1602. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1603. u32 val;
  1604. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1605. /* Disable BMAC */
  1606. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1607. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1608. /* enable emac and not bmac */
  1609. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1610. /* ASIC */
  1611. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1612. u32 ser_lane = ((params->lane_config &
  1613. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1614. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1615. DP(NETIF_MSG_LINK, "XGXS\n");
  1616. /* select the master lanes (out of 0-3) */
  1617. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1618. /* select XGXS */
  1619. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1620. } else { /* SerDes */
  1621. DP(NETIF_MSG_LINK, "SerDes\n");
  1622. /* select SerDes */
  1623. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1624. }
  1625. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1626. EMAC_RX_MODE_RESET);
  1627. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1628. EMAC_TX_MODE_RESET);
  1629. /* pause enable/disable */
  1630. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1631. EMAC_RX_MODE_FLOW_EN);
  1632. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1633. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1634. EMAC_TX_MODE_FLOW_EN));
  1635. if (!(params->feature_config_flags &
  1636. FEATURE_CONFIG_PFC_ENABLED)) {
  1637. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1638. bnx2x_bits_en(bp, emac_base +
  1639. EMAC_REG_EMAC_RX_MODE,
  1640. EMAC_RX_MODE_FLOW_EN);
  1641. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1642. bnx2x_bits_en(bp, emac_base +
  1643. EMAC_REG_EMAC_TX_MODE,
  1644. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1645. EMAC_TX_MODE_FLOW_EN));
  1646. } else
  1647. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1648. EMAC_TX_MODE_FLOW_EN);
  1649. /* KEEP_VLAN_TAG, promiscuous */
  1650. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1651. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1652. /* Setting this bit causes MAC control frames (except for pause
  1653. * frames) to be passed on for processing. This setting has no
  1654. * affect on the operation of the pause frames. This bit effects
  1655. * all packets regardless of RX Parser packet sorting logic.
  1656. * Turn the PFC off to make sure we are in Xon state before
  1657. * enabling it.
  1658. */
  1659. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1660. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1661. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1662. /* Enable PFC again */
  1663. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1664. EMAC_REG_RX_PFC_MODE_RX_EN |
  1665. EMAC_REG_RX_PFC_MODE_TX_EN |
  1666. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1667. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1668. ((0x0101 <<
  1669. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1670. (0x00ff <<
  1671. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1672. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1673. }
  1674. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1675. /* Set Loopback */
  1676. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1677. if (lb)
  1678. val |= 0x810;
  1679. else
  1680. val &= ~0x810;
  1681. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1682. /* Enable emac */
  1683. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1684. /* Enable emac for jumbo packets */
  1685. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1686. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1687. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1688. /* Strip CRC */
  1689. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1690. /* Disable the NIG in/out to the bmac */
  1691. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1692. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1693. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1694. /* Enable the NIG in/out to the emac */
  1695. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1696. val = 0;
  1697. if ((params->feature_config_flags &
  1698. FEATURE_CONFIG_PFC_ENABLED) ||
  1699. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1700. val = 1;
  1701. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1702. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1703. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1704. vars->mac_type = MAC_TYPE_EMAC;
  1705. return 0;
  1706. }
  1707. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1708. struct link_vars *vars)
  1709. {
  1710. u32 wb_data[2];
  1711. struct bnx2x *bp = params->bp;
  1712. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1713. NIG_REG_INGRESS_BMAC0_MEM;
  1714. u32 val = 0x14;
  1715. if ((!(params->feature_config_flags &
  1716. FEATURE_CONFIG_PFC_ENABLED)) &&
  1717. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1718. /* Enable BigMAC to react on received Pause packets */
  1719. val |= (1<<5);
  1720. wb_data[0] = val;
  1721. wb_data[1] = 0;
  1722. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1723. /* TX control */
  1724. val = 0xc0;
  1725. if (!(params->feature_config_flags &
  1726. FEATURE_CONFIG_PFC_ENABLED) &&
  1727. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1728. val |= 0x800000;
  1729. wb_data[0] = val;
  1730. wb_data[1] = 0;
  1731. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1732. }
  1733. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1734. struct link_vars *vars,
  1735. u8 is_lb)
  1736. {
  1737. /* Set rx control: Strip CRC and enable BigMAC to relay
  1738. * control packets to the system as well
  1739. */
  1740. u32 wb_data[2];
  1741. struct bnx2x *bp = params->bp;
  1742. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1743. NIG_REG_INGRESS_BMAC0_MEM;
  1744. u32 val = 0x14;
  1745. if ((!(params->feature_config_flags &
  1746. FEATURE_CONFIG_PFC_ENABLED)) &&
  1747. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1748. /* Enable BigMAC to react on received Pause packets */
  1749. val |= (1<<5);
  1750. wb_data[0] = val;
  1751. wb_data[1] = 0;
  1752. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1753. udelay(30);
  1754. /* Tx control */
  1755. val = 0xc0;
  1756. if (!(params->feature_config_flags &
  1757. FEATURE_CONFIG_PFC_ENABLED) &&
  1758. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1759. val |= 0x800000;
  1760. wb_data[0] = val;
  1761. wb_data[1] = 0;
  1762. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1763. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1764. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1765. /* Enable PFC RX & TX & STATS and set 8 COS */
  1766. wb_data[0] = 0x0;
  1767. wb_data[0] |= (1<<0); /* RX */
  1768. wb_data[0] |= (1<<1); /* TX */
  1769. wb_data[0] |= (1<<2); /* Force initial Xon */
  1770. wb_data[0] |= (1<<3); /* 8 cos */
  1771. wb_data[0] |= (1<<5); /* STATS */
  1772. wb_data[1] = 0;
  1773. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1774. wb_data, 2);
  1775. /* Clear the force Xon */
  1776. wb_data[0] &= ~(1<<2);
  1777. } else {
  1778. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1779. /* Disable PFC RX & TX & STATS and set 8 COS */
  1780. wb_data[0] = 0x8;
  1781. wb_data[1] = 0;
  1782. }
  1783. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1784. /* Set Time (based unit is 512 bit time) between automatic
  1785. * re-sending of PP packets amd enable automatic re-send of
  1786. * Per-Priroity Packet as long as pp_gen is asserted and
  1787. * pp_disable is low.
  1788. */
  1789. val = 0x8000;
  1790. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1791. val |= (1<<16); /* enable automatic re-send */
  1792. wb_data[0] = val;
  1793. wb_data[1] = 0;
  1794. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1795. wb_data, 2);
  1796. /* mac control */
  1797. val = 0x3; /* Enable RX and TX */
  1798. if (is_lb) {
  1799. val |= 0x4; /* Local loopback */
  1800. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1801. }
  1802. /* When PFC enabled, Pass pause frames towards the NIG. */
  1803. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1804. val |= ((1<<6)|(1<<5));
  1805. wb_data[0] = val;
  1806. wb_data[1] = 0;
  1807. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1808. }
  1809. /******************************************************************************
  1810. * Description:
  1811. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1812. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1813. ******************************************************************************/
  1814. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1815. u8 cos_entry,
  1816. u32 priority_mask, u8 port)
  1817. {
  1818. u32 nig_reg_rx_priority_mask_add = 0;
  1819. switch (cos_entry) {
  1820. case 0:
  1821. nig_reg_rx_priority_mask_add = (port) ?
  1822. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1823. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1824. break;
  1825. case 1:
  1826. nig_reg_rx_priority_mask_add = (port) ?
  1827. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1828. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1829. break;
  1830. case 2:
  1831. nig_reg_rx_priority_mask_add = (port) ?
  1832. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1833. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1834. break;
  1835. case 3:
  1836. if (port)
  1837. return -EINVAL;
  1838. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1839. break;
  1840. case 4:
  1841. if (port)
  1842. return -EINVAL;
  1843. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1844. break;
  1845. case 5:
  1846. if (port)
  1847. return -EINVAL;
  1848. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1849. break;
  1850. }
  1851. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1852. return 0;
  1853. }
  1854. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1855. {
  1856. struct bnx2x *bp = params->bp;
  1857. REG_WR(bp, params->shmem_base +
  1858. offsetof(struct shmem_region,
  1859. port_mb[params->port].link_status), link_status);
  1860. }
  1861. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1862. {
  1863. struct bnx2x *bp = params->bp;
  1864. if (SHMEM2_HAS(bp, link_attr_sync))
  1865. REG_WR(bp, params->shmem2_base +
  1866. offsetof(struct shmem2_region,
  1867. link_attr_sync[params->port]), link_attr);
  1868. }
  1869. static void bnx2x_update_pfc_nig(struct link_params *params,
  1870. struct link_vars *vars,
  1871. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1872. {
  1873. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1874. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1875. u32 pkt_priority_to_cos = 0;
  1876. struct bnx2x *bp = params->bp;
  1877. u8 port = params->port;
  1878. int set_pfc = params->feature_config_flags &
  1879. FEATURE_CONFIG_PFC_ENABLED;
  1880. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1881. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1882. * MAC control frames (that are not pause packets)
  1883. * will be forwarded to the XCM.
  1884. */
  1885. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1886. NIG_REG_LLH0_XCM_MASK);
  1887. /* NIG params will override non PFC params, since it's possible to
  1888. * do transition from PFC to SAFC
  1889. */
  1890. if (set_pfc) {
  1891. pause_enable = 0;
  1892. llfc_out_en = 0;
  1893. llfc_enable = 0;
  1894. if (CHIP_IS_E3(bp))
  1895. ppp_enable = 0;
  1896. else
  1897. ppp_enable = 1;
  1898. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1899. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1900. xcm_out_en = 0;
  1901. hwpfc_enable = 1;
  1902. } else {
  1903. if (nig_params) {
  1904. llfc_out_en = nig_params->llfc_out_en;
  1905. llfc_enable = nig_params->llfc_enable;
  1906. pause_enable = nig_params->pause_enable;
  1907. } else /* Default non PFC mode - PAUSE */
  1908. pause_enable = 1;
  1909. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1910. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1911. xcm_out_en = 1;
  1912. }
  1913. if (CHIP_IS_E3(bp))
  1914. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1915. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1916. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1917. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1918. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1919. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1920. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1921. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1922. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1923. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1924. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1925. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1926. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1927. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1928. /* Output enable for RX_XCM # IF */
  1929. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1930. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1931. /* HW PFC TX enable */
  1932. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1933. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1934. if (nig_params) {
  1935. u8 i = 0;
  1936. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1937. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1938. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1939. nig_params->rx_cos_priority_mask[i], port);
  1940. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1941. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1942. nig_params->llfc_high_priority_classes);
  1943. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1944. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1945. nig_params->llfc_low_priority_classes);
  1946. }
  1947. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1948. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1949. pkt_priority_to_cos);
  1950. }
  1951. int bnx2x_update_pfc(struct link_params *params,
  1952. struct link_vars *vars,
  1953. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1954. {
  1955. /* The PFC and pause are orthogonal to one another, meaning when
  1956. * PFC is enabled, the pause are disabled, and when PFC is
  1957. * disabled, pause are set according to the pause result.
  1958. */
  1959. u32 val;
  1960. struct bnx2x *bp = params->bp;
  1961. int bnx2x_status = 0;
  1962. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1963. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1964. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1965. else
  1966. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1967. bnx2x_update_mng(params, vars->link_status);
  1968. /* Update NIG params */
  1969. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1970. if (!vars->link_up)
  1971. return bnx2x_status;
  1972. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1973. if (CHIP_IS_E3(bp)) {
  1974. if (vars->mac_type == MAC_TYPE_XMAC)
  1975. bnx2x_update_pfc_xmac(params, vars, 0);
  1976. } else {
  1977. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1978. if ((val &
  1979. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1980. == 0) {
  1981. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1982. bnx2x_emac_enable(params, vars, 0);
  1983. return bnx2x_status;
  1984. }
  1985. if (CHIP_IS_E2(bp))
  1986. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1987. else
  1988. bnx2x_update_pfc_bmac1(params, vars);
  1989. val = 0;
  1990. if ((params->feature_config_flags &
  1991. FEATURE_CONFIG_PFC_ENABLED) ||
  1992. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1993. val = 1;
  1994. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1995. }
  1996. return bnx2x_status;
  1997. }
  1998. static int bnx2x_bmac1_enable(struct link_params *params,
  1999. struct link_vars *vars,
  2000. u8 is_lb)
  2001. {
  2002. struct bnx2x *bp = params->bp;
  2003. u8 port = params->port;
  2004. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2005. NIG_REG_INGRESS_BMAC0_MEM;
  2006. u32 wb_data[2];
  2007. u32 val;
  2008. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2009. /* XGXS control */
  2010. wb_data[0] = 0x3c;
  2011. wb_data[1] = 0;
  2012. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2013. wb_data, 2);
  2014. /* TX MAC SA */
  2015. wb_data[0] = ((params->mac_addr[2] << 24) |
  2016. (params->mac_addr[3] << 16) |
  2017. (params->mac_addr[4] << 8) |
  2018. params->mac_addr[5]);
  2019. wb_data[1] = ((params->mac_addr[0] << 8) |
  2020. params->mac_addr[1]);
  2021. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2022. /* MAC control */
  2023. val = 0x3;
  2024. if (is_lb) {
  2025. val |= 0x4;
  2026. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2027. }
  2028. wb_data[0] = val;
  2029. wb_data[1] = 0;
  2030. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2031. /* Set rx mtu */
  2032. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2033. wb_data[1] = 0;
  2034. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2035. bnx2x_update_pfc_bmac1(params, vars);
  2036. /* Set tx mtu */
  2037. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2038. wb_data[1] = 0;
  2039. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2040. /* Set cnt max size */
  2041. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2042. wb_data[1] = 0;
  2043. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2044. /* Configure SAFC */
  2045. wb_data[0] = 0x1000200;
  2046. wb_data[1] = 0;
  2047. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2048. wb_data, 2);
  2049. return 0;
  2050. }
  2051. static int bnx2x_bmac2_enable(struct link_params *params,
  2052. struct link_vars *vars,
  2053. u8 is_lb)
  2054. {
  2055. struct bnx2x *bp = params->bp;
  2056. u8 port = params->port;
  2057. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2058. NIG_REG_INGRESS_BMAC0_MEM;
  2059. u32 wb_data[2];
  2060. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2061. wb_data[0] = 0;
  2062. wb_data[1] = 0;
  2063. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2064. udelay(30);
  2065. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2066. wb_data[0] = 0x3c;
  2067. wb_data[1] = 0;
  2068. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2069. wb_data, 2);
  2070. udelay(30);
  2071. /* TX MAC SA */
  2072. wb_data[0] = ((params->mac_addr[2] << 24) |
  2073. (params->mac_addr[3] << 16) |
  2074. (params->mac_addr[4] << 8) |
  2075. params->mac_addr[5]);
  2076. wb_data[1] = ((params->mac_addr[0] << 8) |
  2077. params->mac_addr[1]);
  2078. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2079. wb_data, 2);
  2080. udelay(30);
  2081. /* Configure SAFC */
  2082. wb_data[0] = 0x1000200;
  2083. wb_data[1] = 0;
  2084. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2085. wb_data, 2);
  2086. udelay(30);
  2087. /* Set RX MTU */
  2088. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2089. wb_data[1] = 0;
  2090. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2091. udelay(30);
  2092. /* Set TX MTU */
  2093. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2094. wb_data[1] = 0;
  2095. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2096. udelay(30);
  2097. /* Set cnt max size */
  2098. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2099. wb_data[1] = 0;
  2100. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2101. udelay(30);
  2102. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2103. return 0;
  2104. }
  2105. static int bnx2x_bmac_enable(struct link_params *params,
  2106. struct link_vars *vars,
  2107. u8 is_lb, u8 reset_bmac)
  2108. {
  2109. int rc = 0;
  2110. u8 port = params->port;
  2111. struct bnx2x *bp = params->bp;
  2112. u32 val;
  2113. /* Reset and unreset the BigMac */
  2114. if (reset_bmac) {
  2115. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2116. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2117. usleep_range(1000, 2000);
  2118. }
  2119. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2120. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2121. /* Enable access for bmac registers */
  2122. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2123. /* Enable BMAC according to BMAC type*/
  2124. if (CHIP_IS_E2(bp))
  2125. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2126. else
  2127. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2128. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2129. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2130. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2131. val = 0;
  2132. if ((params->feature_config_flags &
  2133. FEATURE_CONFIG_PFC_ENABLED) ||
  2134. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2135. val = 1;
  2136. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2137. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2138. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2139. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2140. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2141. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2142. vars->mac_type = MAC_TYPE_BMAC;
  2143. return rc;
  2144. }
  2145. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2146. {
  2147. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2148. NIG_REG_INGRESS_BMAC0_MEM;
  2149. u32 wb_data[2];
  2150. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2151. if (CHIP_IS_E2(bp))
  2152. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2153. else
  2154. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2155. /* Only if the bmac is out of reset */
  2156. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2157. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2158. nig_bmac_enable) {
  2159. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2160. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2161. if (en)
  2162. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2163. else
  2164. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2165. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2166. usleep_range(1000, 2000);
  2167. }
  2168. }
  2169. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2170. u32 line_speed)
  2171. {
  2172. struct bnx2x *bp = params->bp;
  2173. u8 port = params->port;
  2174. u32 init_crd, crd;
  2175. u32 count = 1000;
  2176. /* Disable port */
  2177. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2178. /* Wait for init credit */
  2179. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2180. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2181. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2182. while ((init_crd != crd) && count) {
  2183. usleep_range(5000, 10000);
  2184. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2185. count--;
  2186. }
  2187. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2188. if (init_crd != crd) {
  2189. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2190. init_crd, crd);
  2191. return -EINVAL;
  2192. }
  2193. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2194. line_speed == SPEED_10 ||
  2195. line_speed == SPEED_100 ||
  2196. line_speed == SPEED_1000 ||
  2197. line_speed == SPEED_2500) {
  2198. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2199. /* Update threshold */
  2200. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2201. /* Update init credit */
  2202. init_crd = 778; /* (800-18-4) */
  2203. } else {
  2204. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2205. ETH_OVREHEAD)/16;
  2206. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2207. /* Update threshold */
  2208. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2209. /* Update init credit */
  2210. switch (line_speed) {
  2211. case SPEED_10000:
  2212. init_crd = thresh + 553 - 22;
  2213. break;
  2214. default:
  2215. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2216. line_speed);
  2217. return -EINVAL;
  2218. }
  2219. }
  2220. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2221. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2222. line_speed, init_crd);
  2223. /* Probe the credit changes */
  2224. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2225. usleep_range(5000, 10000);
  2226. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2227. /* Enable port */
  2228. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2229. return 0;
  2230. }
  2231. /**
  2232. * bnx2x_get_emac_base - retrive emac base address
  2233. *
  2234. * @bp: driver handle
  2235. * @mdc_mdio_access: access type
  2236. * @port: port id
  2237. *
  2238. * This function selects the MDC/MDIO access (through emac0 or
  2239. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2240. * phy has a default access mode, which could also be overridden
  2241. * by nvram configuration. This parameter, whether this is the
  2242. * default phy configuration, or the nvram overrun
  2243. * configuration, is passed here as mdc_mdio_access and selects
  2244. * the emac_base for the CL45 read/writes operations
  2245. */
  2246. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2247. u32 mdc_mdio_access, u8 port)
  2248. {
  2249. u32 emac_base = 0;
  2250. switch (mdc_mdio_access) {
  2251. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2252. break;
  2253. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2254. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2255. emac_base = GRCBASE_EMAC1;
  2256. else
  2257. emac_base = GRCBASE_EMAC0;
  2258. break;
  2259. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2260. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2261. emac_base = GRCBASE_EMAC0;
  2262. else
  2263. emac_base = GRCBASE_EMAC1;
  2264. break;
  2265. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2266. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2267. break;
  2268. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2269. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2270. break;
  2271. default:
  2272. break;
  2273. }
  2274. return emac_base;
  2275. }
  2276. /******************************************************************/
  2277. /* CL22 access functions */
  2278. /******************************************************************/
  2279. static int bnx2x_cl22_write(struct bnx2x *bp,
  2280. struct bnx2x_phy *phy,
  2281. u16 reg, u16 val)
  2282. {
  2283. u32 tmp, mode;
  2284. u8 i;
  2285. int rc = 0;
  2286. /* Switch to CL22 */
  2287. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2288. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2289. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2290. /* Address */
  2291. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2292. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2293. EMAC_MDIO_COMM_START_BUSY);
  2294. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2295. for (i = 0; i < 50; i++) {
  2296. udelay(10);
  2297. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2298. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2299. udelay(5);
  2300. break;
  2301. }
  2302. }
  2303. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2304. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2305. rc = -EFAULT;
  2306. }
  2307. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2308. return rc;
  2309. }
  2310. static int bnx2x_cl22_read(struct bnx2x *bp,
  2311. struct bnx2x_phy *phy,
  2312. u16 reg, u16 *ret_val)
  2313. {
  2314. u32 val, mode;
  2315. u16 i;
  2316. int rc = 0;
  2317. /* Switch to CL22 */
  2318. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2319. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2320. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2321. /* Address */
  2322. val = ((phy->addr << 21) | (reg << 16) |
  2323. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2324. EMAC_MDIO_COMM_START_BUSY);
  2325. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2326. for (i = 0; i < 50; i++) {
  2327. udelay(10);
  2328. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2329. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2330. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2331. udelay(5);
  2332. break;
  2333. }
  2334. }
  2335. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2336. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2337. *ret_val = 0;
  2338. rc = -EFAULT;
  2339. }
  2340. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2341. return rc;
  2342. }
  2343. /******************************************************************/
  2344. /* CL45 access functions */
  2345. /******************************************************************/
  2346. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2347. u8 devad, u16 reg, u16 *ret_val)
  2348. {
  2349. u32 val;
  2350. u16 i;
  2351. int rc = 0;
  2352. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2353. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2354. EMAC_MDIO_STATUS_10MB);
  2355. /* Address */
  2356. val = ((phy->addr << 21) | (devad << 16) | reg |
  2357. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2358. EMAC_MDIO_COMM_START_BUSY);
  2359. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2360. for (i = 0; i < 50; i++) {
  2361. udelay(10);
  2362. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2363. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2364. udelay(5);
  2365. break;
  2366. }
  2367. }
  2368. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2369. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2370. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2371. *ret_val = 0;
  2372. rc = -EFAULT;
  2373. } else {
  2374. /* Data */
  2375. val = ((phy->addr << 21) | (devad << 16) |
  2376. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2377. EMAC_MDIO_COMM_START_BUSY);
  2378. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2379. for (i = 0; i < 50; i++) {
  2380. udelay(10);
  2381. val = REG_RD(bp, phy->mdio_ctrl +
  2382. EMAC_REG_EMAC_MDIO_COMM);
  2383. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2384. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2385. break;
  2386. }
  2387. }
  2388. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2389. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2390. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2391. *ret_val = 0;
  2392. rc = -EFAULT;
  2393. }
  2394. }
  2395. /* Work around for E3 A0 */
  2396. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2397. phy->flags ^= FLAGS_DUMMY_READ;
  2398. if (phy->flags & FLAGS_DUMMY_READ) {
  2399. u16 temp_val;
  2400. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2401. }
  2402. }
  2403. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2404. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2405. EMAC_MDIO_STATUS_10MB);
  2406. return rc;
  2407. }
  2408. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2409. u8 devad, u16 reg, u16 val)
  2410. {
  2411. u32 tmp;
  2412. u8 i;
  2413. int rc = 0;
  2414. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2415. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2416. EMAC_MDIO_STATUS_10MB);
  2417. /* Address */
  2418. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2419. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2420. EMAC_MDIO_COMM_START_BUSY);
  2421. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2422. for (i = 0; i < 50; i++) {
  2423. udelay(10);
  2424. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2425. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2426. udelay(5);
  2427. break;
  2428. }
  2429. }
  2430. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2431. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2432. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2433. rc = -EFAULT;
  2434. } else {
  2435. /* Data */
  2436. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2437. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2438. EMAC_MDIO_COMM_START_BUSY);
  2439. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2440. for (i = 0; i < 50; i++) {
  2441. udelay(10);
  2442. tmp = REG_RD(bp, phy->mdio_ctrl +
  2443. EMAC_REG_EMAC_MDIO_COMM);
  2444. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2445. udelay(5);
  2446. break;
  2447. }
  2448. }
  2449. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2450. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2451. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2452. rc = -EFAULT;
  2453. }
  2454. }
  2455. /* Work around for E3 A0 */
  2456. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2457. phy->flags ^= FLAGS_DUMMY_READ;
  2458. if (phy->flags & FLAGS_DUMMY_READ) {
  2459. u16 temp_val;
  2460. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2461. }
  2462. }
  2463. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2464. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2465. EMAC_MDIO_STATUS_10MB);
  2466. return rc;
  2467. }
  2468. /******************************************************************/
  2469. /* EEE section */
  2470. /******************************************************************/
  2471. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2472. {
  2473. struct bnx2x *bp = params->bp;
  2474. if (REG_RD(bp, params->shmem2_base) <=
  2475. offsetof(struct shmem2_region, eee_status[params->port]))
  2476. return 0;
  2477. return 1;
  2478. }
  2479. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2480. {
  2481. switch (nvram_mode) {
  2482. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2483. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2484. break;
  2485. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2486. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2487. break;
  2488. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2489. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2490. break;
  2491. default:
  2492. *idle_timer = 0;
  2493. break;
  2494. }
  2495. return 0;
  2496. }
  2497. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2498. {
  2499. switch (idle_timer) {
  2500. case EEE_MODE_NVRAM_BALANCED_TIME:
  2501. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2502. break;
  2503. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2504. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2505. break;
  2506. case EEE_MODE_NVRAM_LATENCY_TIME:
  2507. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2508. break;
  2509. default:
  2510. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2511. break;
  2512. }
  2513. return 0;
  2514. }
  2515. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2516. {
  2517. u32 eee_mode, eee_idle;
  2518. struct bnx2x *bp = params->bp;
  2519. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2520. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2521. /* time value in eee_mode --> used directly*/
  2522. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2523. } else {
  2524. /* hsi value in eee_mode --> time */
  2525. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2526. EEE_MODE_NVRAM_MASK,
  2527. &eee_idle))
  2528. return 0;
  2529. }
  2530. } else {
  2531. /* hsi values in nvram --> time*/
  2532. eee_mode = ((REG_RD(bp, params->shmem_base +
  2533. offsetof(struct shmem_region, dev_info.
  2534. port_feature_config[params->port].
  2535. eee_power_mode)) &
  2536. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2537. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2538. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2539. return 0;
  2540. }
  2541. return eee_idle;
  2542. }
  2543. static int bnx2x_eee_set_timers(struct link_params *params,
  2544. struct link_vars *vars)
  2545. {
  2546. u32 eee_idle = 0, eee_mode;
  2547. struct bnx2x *bp = params->bp;
  2548. eee_idle = bnx2x_eee_calc_timer(params);
  2549. if (eee_idle) {
  2550. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2551. eee_idle);
  2552. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2553. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2554. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2555. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2556. return -EINVAL;
  2557. }
  2558. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2559. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2560. /* eee_idle in 1u --> eee_status in 16u */
  2561. eee_idle >>= 4;
  2562. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2563. SHMEM_EEE_TIME_OUTPUT_BIT;
  2564. } else {
  2565. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2566. return -EINVAL;
  2567. vars->eee_status |= eee_mode;
  2568. }
  2569. return 0;
  2570. }
  2571. static int bnx2x_eee_initial_config(struct link_params *params,
  2572. struct link_vars *vars, u8 mode)
  2573. {
  2574. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2575. /* Propogate params' bits --> vars (for migration exposure) */
  2576. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2577. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2578. else
  2579. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2580. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2581. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2582. else
  2583. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2584. return bnx2x_eee_set_timers(params, vars);
  2585. }
  2586. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2587. struct link_params *params,
  2588. struct link_vars *vars)
  2589. {
  2590. struct bnx2x *bp = params->bp;
  2591. /* Make Certain LPI is disabled */
  2592. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2593. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2594. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2595. return 0;
  2596. }
  2597. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2598. struct link_params *params,
  2599. struct link_vars *vars, u8 modes)
  2600. {
  2601. struct bnx2x *bp = params->bp;
  2602. u16 val = 0;
  2603. /* Mask events preventing LPI generation */
  2604. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2605. if (modes & SHMEM_EEE_10G_ADV) {
  2606. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2607. val |= 0x8;
  2608. }
  2609. if (modes & SHMEM_EEE_1G_ADV) {
  2610. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2611. val |= 0x4;
  2612. }
  2613. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2614. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2615. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2616. return 0;
  2617. }
  2618. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2619. {
  2620. struct bnx2x *bp = params->bp;
  2621. if (bnx2x_eee_has_cap(params))
  2622. REG_WR(bp, params->shmem2_base +
  2623. offsetof(struct shmem2_region,
  2624. eee_status[params->port]), eee_status);
  2625. }
  2626. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2627. struct link_params *params,
  2628. struct link_vars *vars)
  2629. {
  2630. struct bnx2x *bp = params->bp;
  2631. u16 adv = 0, lp = 0;
  2632. u32 lp_adv = 0;
  2633. u8 neg = 0;
  2634. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2635. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2636. if (lp & 0x2) {
  2637. lp_adv |= SHMEM_EEE_100M_ADV;
  2638. if (adv & 0x2) {
  2639. if (vars->line_speed == SPEED_100)
  2640. neg = 1;
  2641. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2642. }
  2643. }
  2644. if (lp & 0x14) {
  2645. lp_adv |= SHMEM_EEE_1G_ADV;
  2646. if (adv & 0x14) {
  2647. if (vars->line_speed == SPEED_1000)
  2648. neg = 1;
  2649. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2650. }
  2651. }
  2652. if (lp & 0x68) {
  2653. lp_adv |= SHMEM_EEE_10G_ADV;
  2654. if (adv & 0x68) {
  2655. if (vars->line_speed == SPEED_10000)
  2656. neg = 1;
  2657. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2658. }
  2659. }
  2660. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2661. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2662. if (neg) {
  2663. DP(NETIF_MSG_LINK, "EEE is active\n");
  2664. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2665. }
  2666. }
  2667. /******************************************************************/
  2668. /* BSC access functions from E3 */
  2669. /******************************************************************/
  2670. static void bnx2x_bsc_module_sel(struct link_params *params)
  2671. {
  2672. int idx;
  2673. u32 board_cfg, sfp_ctrl;
  2674. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2675. struct bnx2x *bp = params->bp;
  2676. u8 port = params->port;
  2677. /* Read I2C output PINs */
  2678. board_cfg = REG_RD(bp, params->shmem_base +
  2679. offsetof(struct shmem_region,
  2680. dev_info.shared_hw_config.board));
  2681. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2682. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2683. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2684. /* Read I2C output value */
  2685. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2686. offsetof(struct shmem_region,
  2687. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2688. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2689. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2690. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2691. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2692. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2693. }
  2694. static int bnx2x_bsc_read(struct link_params *params,
  2695. struct bnx2x_phy *phy,
  2696. u8 sl_devid,
  2697. u16 sl_addr,
  2698. u8 lc_addr,
  2699. u8 xfer_cnt,
  2700. u32 *data_array)
  2701. {
  2702. u32 val, i;
  2703. int rc = 0;
  2704. struct bnx2x *bp = params->bp;
  2705. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2706. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2707. return -EINVAL;
  2708. }
  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. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2963. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2964. else
  2965. *ieee_fc |=
  2966. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2967. break;
  2968. case BNX2X_FLOW_CTRL_TX:
  2969. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2970. break;
  2971. case BNX2X_FLOW_CTRL_RX:
  2972. case BNX2X_FLOW_CTRL_BOTH:
  2973. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2974. break;
  2975. case BNX2X_FLOW_CTRL_NONE:
  2976. default:
  2977. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2978. break;
  2979. }
  2980. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2981. }
  2982. static void set_phy_vars(struct link_params *params,
  2983. struct link_vars *vars)
  2984. {
  2985. struct bnx2x *bp = params->bp;
  2986. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2987. u8 phy_config_swapped = params->multi_phy_config &
  2988. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2989. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2990. phy_index++) {
  2991. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2992. actual_phy_idx = phy_index;
  2993. if (phy_config_swapped) {
  2994. if (phy_index == EXT_PHY1)
  2995. actual_phy_idx = EXT_PHY2;
  2996. else if (phy_index == EXT_PHY2)
  2997. actual_phy_idx = EXT_PHY1;
  2998. }
  2999. params->phy[actual_phy_idx].req_flow_ctrl =
  3000. params->req_flow_ctrl[link_cfg_idx];
  3001. params->phy[actual_phy_idx].req_line_speed =
  3002. params->req_line_speed[link_cfg_idx];
  3003. params->phy[actual_phy_idx].speed_cap_mask =
  3004. params->speed_cap_mask[link_cfg_idx];
  3005. params->phy[actual_phy_idx].req_duplex =
  3006. params->req_duplex[link_cfg_idx];
  3007. if (params->req_line_speed[link_cfg_idx] ==
  3008. SPEED_AUTO_NEG)
  3009. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3010. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3011. " speed_cap_mask %x\n",
  3012. params->phy[actual_phy_idx].req_flow_ctrl,
  3013. params->phy[actual_phy_idx].req_line_speed,
  3014. params->phy[actual_phy_idx].speed_cap_mask);
  3015. }
  3016. }
  3017. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3018. struct bnx2x_phy *phy,
  3019. struct link_vars *vars)
  3020. {
  3021. u16 val;
  3022. struct bnx2x *bp = params->bp;
  3023. /* Read modify write pause advertizing */
  3024. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3025. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3026. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3027. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3028. if ((vars->ieee_fc &
  3029. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3030. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3031. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3032. }
  3033. if ((vars->ieee_fc &
  3034. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3035. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3036. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3037. }
  3038. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3039. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3040. }
  3041. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3042. { /* LD LP */
  3043. switch (pause_result) { /* ASYM P ASYM P */
  3044. case 0xb: /* 1 0 1 1 */
  3045. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3046. break;
  3047. case 0xe: /* 1 1 1 0 */
  3048. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3049. break;
  3050. case 0x5: /* 0 1 0 1 */
  3051. case 0x7: /* 0 1 1 1 */
  3052. case 0xd: /* 1 1 0 1 */
  3053. case 0xf: /* 1 1 1 1 */
  3054. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3055. break;
  3056. default:
  3057. break;
  3058. }
  3059. if (pause_result & (1<<0))
  3060. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3061. if (pause_result & (1<<1))
  3062. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3063. }
  3064. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3065. struct link_params *params,
  3066. struct link_vars *vars)
  3067. {
  3068. u16 ld_pause; /* local */
  3069. u16 lp_pause; /* link partner */
  3070. u16 pause_result;
  3071. struct bnx2x *bp = params->bp;
  3072. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3073. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3074. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3075. } else if (CHIP_IS_E3(bp) &&
  3076. SINGLE_MEDIA_DIRECT(params)) {
  3077. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3078. u16 gp_status, gp_mask;
  3079. bnx2x_cl45_read(bp, phy,
  3080. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3081. &gp_status);
  3082. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3083. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3084. lane;
  3085. if ((gp_status & gp_mask) == gp_mask) {
  3086. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3087. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3088. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3089. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3090. } else {
  3091. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3092. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3093. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3094. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3095. ld_pause = ((ld_pause &
  3096. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3097. << 3);
  3098. lp_pause = ((lp_pause &
  3099. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3100. << 3);
  3101. }
  3102. } else {
  3103. bnx2x_cl45_read(bp, phy,
  3104. MDIO_AN_DEVAD,
  3105. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3106. bnx2x_cl45_read(bp, phy,
  3107. MDIO_AN_DEVAD,
  3108. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3109. }
  3110. pause_result = (ld_pause &
  3111. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3112. pause_result |= (lp_pause &
  3113. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3114. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3115. bnx2x_pause_resolve(vars, pause_result);
  3116. }
  3117. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3118. struct link_params *params,
  3119. struct link_vars *vars)
  3120. {
  3121. u8 ret = 0;
  3122. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3123. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3124. /* Update the advertised flow-controled of LD/LP in AN */
  3125. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3126. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3127. /* But set the flow-control result as the requested one */
  3128. vars->flow_ctrl = phy->req_flow_ctrl;
  3129. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3130. vars->flow_ctrl = params->req_fc_auto_adv;
  3131. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3132. ret = 1;
  3133. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3134. }
  3135. return ret;
  3136. }
  3137. /******************************************************************/
  3138. /* Warpcore section */
  3139. /******************************************************************/
  3140. /* The init_internal_warpcore should mirror the xgxs,
  3141. * i.e. reset the lane (if needed), set aer for the
  3142. * init configuration, and set/clear SGMII flag. Internal
  3143. * phy init is done purely in phy_init stage.
  3144. */
  3145. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3146. struct link_params *params,
  3147. struct link_vars *vars)
  3148. {
  3149. struct bnx2x *bp = params->bp;
  3150. u16 i;
  3151. static struct bnx2x_reg_set reg_set[] = {
  3152. /* Step 1 - Program the TX/RX alignment markers */
  3153. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3154. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3155. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3156. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3157. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3158. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3159. /* Step 2 - Configure the NP registers */
  3160. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3161. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3162. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3163. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3164. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3165. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3166. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3167. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3168. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3169. };
  3170. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3171. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3172. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3173. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3174. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3175. reg_set[i].val);
  3176. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3177. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3178. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3179. }
  3180. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3181. struct link_params *params)
  3182. {
  3183. struct bnx2x *bp = params->bp;
  3184. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3185. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3186. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3187. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3188. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3189. }
  3190. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3191. struct link_params *params)
  3192. {
  3193. /* Restart autoneg on the leading lane only */
  3194. struct bnx2x *bp = params->bp;
  3195. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3196. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3197. MDIO_AER_BLOCK_AER_REG, lane);
  3198. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3199. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3200. /* Restore AER */
  3201. bnx2x_set_aer_mmd(params, phy);
  3202. }
  3203. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3204. struct link_params *params,
  3205. struct link_vars *vars) {
  3206. u16 lane, i, cl72_ctrl, an_adv = 0;
  3207. u16 ucode_ver;
  3208. struct bnx2x *bp = params->bp;
  3209. static struct bnx2x_reg_set reg_set[] = {
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3211. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3214. /* Disable Autoneg: re-enable it after adv is done. */
  3215. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3216. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3217. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3218. };
  3219. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3220. /* Set to default registers that may be overriden by 10G force */
  3221. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3222. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3223. reg_set[i].val);
  3224. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3225. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3226. cl72_ctrl &= 0x08ff;
  3227. cl72_ctrl |= 0x3800;
  3228. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3230. /* Check adding advertisement for 1G KX */
  3231. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3232. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3233. (vars->line_speed == SPEED_1000)) {
  3234. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3235. an_adv |= (1<<5);
  3236. /* Enable CL37 1G Parallel Detect */
  3237. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3238. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3239. }
  3240. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3241. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3242. (vars->line_speed == SPEED_10000)) {
  3243. /* Check adding advertisement for 10G KR */
  3244. an_adv |= (1<<7);
  3245. /* Enable 10G Parallel Detect */
  3246. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3247. MDIO_AER_BLOCK_AER_REG, 0);
  3248. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3249. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3250. bnx2x_set_aer_mmd(params, phy);
  3251. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3252. }
  3253. /* Set Transmit PMD settings */
  3254. lane = bnx2x_get_warpcore_lane(phy, params);
  3255. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3256. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3257. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3258. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3259. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3260. /* Configure the next lane if dual mode */
  3261. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3262. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3263. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3264. ((0x02 <<
  3265. MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3266. (0x06 <<
  3267. MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3268. (0x09 <<
  3269. MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3270. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3271. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3272. 0x03f0);
  3273. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3274. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3275. 0x03f0);
  3276. /* Advertised speeds */
  3277. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3278. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3279. /* Advertised and set FEC (Forward Error Correction) */
  3280. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3281. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3282. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3283. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3284. /* Enable CL37 BAM */
  3285. if (REG_RD(bp, params->shmem_base +
  3286. offsetof(struct shmem_region, dev_info.
  3287. port_hw_config[params->port].default_cfg)) &
  3288. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3289. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3290. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3291. 1);
  3292. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3293. }
  3294. /* Advertise pause */
  3295. bnx2x_ext_phy_set_pause(params, phy, vars);
  3296. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3297. */
  3298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3299. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3300. if (ucode_ver < 0xd108) {
  3301. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3302. ucode_ver);
  3303. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3304. }
  3305. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3307. /* Over 1G - AN local device user page 1 */
  3308. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3310. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3311. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3312. (phy->req_line_speed == SPEED_20000)) {
  3313. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3314. MDIO_AER_BLOCK_AER_REG, lane);
  3315. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3317. (1<<11));
  3318. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3319. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3320. bnx2x_set_aer_mmd(params, phy);
  3321. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3322. }
  3323. /* Enable Autoneg: only on the main lane */
  3324. bnx2x_warpcore_restart_AN_KR(phy, params);
  3325. }
  3326. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3327. struct link_params *params,
  3328. struct link_vars *vars)
  3329. {
  3330. struct bnx2x *bp = params->bp;
  3331. u16 val16, i, lane;
  3332. static struct bnx2x_reg_set reg_set[] = {
  3333. /* Disable Autoneg */
  3334. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3335. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3336. 0x3f00},
  3337. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3338. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3339. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3340. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3341. /* Leave cl72 training enable, needed for KR */
  3342. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3343. };
  3344. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3345. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3346. reg_set[i].val);
  3347. lane = bnx2x_get_warpcore_lane(phy, params);
  3348. /* Global registers */
  3349. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3350. MDIO_AER_BLOCK_AER_REG, 0);
  3351. /* Disable CL36 PCS Tx */
  3352. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3354. val16 &= ~(0x0011 << lane);
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3357. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3359. val16 |= (0x0303 << (lane << 1));
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3362. /* Restore AER */
  3363. bnx2x_set_aer_mmd(params, phy);
  3364. /* Set speed via PMA/PMD register */
  3365. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3366. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3367. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3368. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3369. /* Enable encoded forced speed */
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3372. /* Turn TX scramble payload only the 64/66 scrambler */
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3375. /* Turn RX scramble payload only the 64/66 scrambler */
  3376. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3378. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3383. }
  3384. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3385. struct link_params *params,
  3386. u8 is_xfi)
  3387. {
  3388. struct bnx2x *bp = params->bp;
  3389. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3390. /* Hold rxSeqStart */
  3391. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3393. /* Hold tx_fifo_reset */
  3394. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3396. /* Disable CL73 AN */
  3397. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3398. /* Disable 100FX Enable and Auto-Detect */
  3399. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_FX100_CTRL1, &val);
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3403. /* Disable 100FX Idle detect */
  3404. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3406. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3407. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3411. /* Turn off auto-detect & fiber mode */
  3412. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3414. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3416. (val & 0xFFEE));
  3417. /* Set filter_force_link, disable_false_link and parallel_detect */
  3418. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3420. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3422. ((val | 0x0006) & 0xFFFE));
  3423. /* Set XFI / SFI */
  3424. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3426. misc1_val &= ~(0x1f);
  3427. if (is_xfi) {
  3428. misc1_val |= 0x5;
  3429. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3430. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3431. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3432. tx_driver_val =
  3433. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3434. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3435. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3436. } else {
  3437. misc1_val |= 0x9;
  3438. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3439. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3440. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3441. tx_driver_val =
  3442. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3443. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3444. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3445. }
  3446. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3448. /* Set Transmit PMD settings */
  3449. lane = bnx2x_get_warpcore_lane(phy, params);
  3450. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_TX_FIR_TAP,
  3452. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3453. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3455. tx_driver_val);
  3456. /* Enable fiber mode, enable and invert sig_det */
  3457. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3459. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3460. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3462. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3463. /* 10G XFI Full Duplex */
  3464. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3466. /* Release tx_fifo_reset */
  3467. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3471. /* Release rxSeqStart */
  3472. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3476. }
  3477. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3478. struct link_params *params)
  3479. {
  3480. u16 val;
  3481. struct bnx2x *bp = params->bp;
  3482. /* Set global registers, so set AER lane to 0 */
  3483. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3484. MDIO_AER_BLOCK_AER_REG, 0);
  3485. /* Disable sequencer */
  3486. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3488. bnx2x_set_aer_mmd(params, phy);
  3489. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3490. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3491. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3492. MDIO_AN_REG_CTRL, 0);
  3493. /* Turn off CL73 */
  3494. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3496. val &= ~(1<<5);
  3497. val |= (1<<6);
  3498. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3500. /* Set 20G KR2 force speed */
  3501. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3503. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3505. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3507. val &= ~(3<<14);
  3508. val |= (1<<15);
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3513. /* Enable sequencer (over lane 0) */
  3514. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3515. MDIO_AER_BLOCK_AER_REG, 0);
  3516. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3518. bnx2x_set_aer_mmd(params, phy);
  3519. }
  3520. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3521. struct bnx2x_phy *phy,
  3522. u16 lane)
  3523. {
  3524. /* Rx0 anaRxControl1G */
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3527. /* Rx2 anaRxControl1G */
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3546. /* Serdes Digital Misc1 */
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3549. /* Serdes Digital4 Misc3 */
  3550. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3552. /* Set Transmit PMD settings */
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_TX_FIR_TAP,
  3555. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3556. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3557. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3558. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3559. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3561. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3562. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3563. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3564. }
  3565. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3566. struct link_params *params,
  3567. u8 fiber_mode,
  3568. u8 always_autoneg)
  3569. {
  3570. struct bnx2x *bp = params->bp;
  3571. u16 val16, digctrl_kx1, digctrl_kx2;
  3572. /* Clear XFI clock comp in non-10G single lane mode. */
  3573. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_RX66_CONTROL, &val16);
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3577. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3578. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3579. /* SGMII Autoneg */
  3580. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3584. val16 | 0x1000);
  3585. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3586. } else {
  3587. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3589. val16 &= 0xcebf;
  3590. switch (phy->req_line_speed) {
  3591. case SPEED_10:
  3592. break;
  3593. case SPEED_100:
  3594. val16 |= 0x2000;
  3595. break;
  3596. case SPEED_1000:
  3597. val16 |= 0x0040;
  3598. break;
  3599. default:
  3600. DP(NETIF_MSG_LINK,
  3601. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3602. return;
  3603. }
  3604. if (phy->req_duplex == DUPLEX_FULL)
  3605. val16 |= 0x0100;
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3608. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3609. phy->req_line_speed);
  3610. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3611. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3612. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3613. }
  3614. /* SGMII Slave mode and disable signal detect */
  3615. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3616. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3617. if (fiber_mode)
  3618. digctrl_kx1 = 1;
  3619. else
  3620. digctrl_kx1 &= 0xff4a;
  3621. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3622. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3623. digctrl_kx1);
  3624. /* Turn off parallel detect */
  3625. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3626. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3629. (digctrl_kx2 & ~(1<<2)));
  3630. /* Re-enable parallel detect */
  3631. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3633. (digctrl_kx2 | (1<<2)));
  3634. /* Enable autodet */
  3635. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3637. (digctrl_kx1 | 0x10));
  3638. }
  3639. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3640. struct bnx2x_phy *phy,
  3641. u8 reset)
  3642. {
  3643. u16 val;
  3644. /* Take lane out of reset after configuration is finished */
  3645. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3647. if (reset)
  3648. val |= 0xC000;
  3649. else
  3650. val &= 0x3FFF;
  3651. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3653. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3655. }
  3656. /* Clear SFI/XFI link settings registers */
  3657. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3658. struct link_params *params,
  3659. u16 lane)
  3660. {
  3661. struct bnx2x *bp = params->bp;
  3662. u16 i;
  3663. static struct bnx2x_reg_set wc_regs[] = {
  3664. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3665. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3666. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3667. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3668. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3669. 0x0195},
  3670. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3671. 0x0007},
  3672. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3673. 0x0002},
  3674. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3675. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3676. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3677. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3678. };
  3679. /* Set XFI clock comp as default. */
  3680. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3681. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3682. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3683. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3684. wc_regs[i].val);
  3685. lane = bnx2x_get_warpcore_lane(phy, params);
  3686. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3687. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3688. }
  3689. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3690. u32 chip_id,
  3691. u32 shmem_base, u8 port,
  3692. u8 *gpio_num, u8 *gpio_port)
  3693. {
  3694. u32 cfg_pin;
  3695. *gpio_num = 0;
  3696. *gpio_port = 0;
  3697. if (CHIP_IS_E3(bp)) {
  3698. cfg_pin = (REG_RD(bp, shmem_base +
  3699. offsetof(struct shmem_region,
  3700. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3701. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3702. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3703. /* Should not happen. This function called upon interrupt
  3704. * triggered by GPIO ( since EPIO can only generate interrupts
  3705. * to MCP).
  3706. * So if this function was called and none of the GPIOs was set,
  3707. * it means the shit hit the fan.
  3708. */
  3709. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3710. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3711. DP(NETIF_MSG_LINK,
  3712. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3713. cfg_pin);
  3714. return -EINVAL;
  3715. }
  3716. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3717. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3718. } else {
  3719. *gpio_num = MISC_REGISTERS_GPIO_3;
  3720. *gpio_port = port;
  3721. }
  3722. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3723. return 0;
  3724. }
  3725. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3726. struct link_params *params)
  3727. {
  3728. struct bnx2x *bp = params->bp;
  3729. u8 gpio_num, gpio_port;
  3730. u32 gpio_val;
  3731. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3732. params->shmem_base, params->port,
  3733. &gpio_num, &gpio_port) != 0)
  3734. return 0;
  3735. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3736. /* Call the handling function in case module is detected */
  3737. if (gpio_val == 0)
  3738. return 1;
  3739. else
  3740. return 0;
  3741. }
  3742. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3743. struct link_params *params)
  3744. {
  3745. u16 gp2_status_reg0, lane;
  3746. struct bnx2x *bp = params->bp;
  3747. lane = bnx2x_get_warpcore_lane(phy, params);
  3748. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3749. &gp2_status_reg0);
  3750. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3751. }
  3752. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3753. struct link_params *params,
  3754. struct link_vars *vars)
  3755. {
  3756. struct bnx2x *bp = params->bp;
  3757. u32 serdes_net_if;
  3758. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3759. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3760. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3761. if (!vars->turn_to_run_wc_rt)
  3762. return;
  3763. /* Return if there is no link partner */
  3764. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3765. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3766. return;
  3767. }
  3768. if (vars->rx_tx_asic_rst) {
  3769. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3770. offsetof(struct shmem_region, dev_info.
  3771. port_hw_config[params->port].default_cfg)) &
  3772. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3773. switch (serdes_net_if) {
  3774. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3775. /* Do we get link yet? */
  3776. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3777. &gp_status1);
  3778. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3779. /*10G KR*/
  3780. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3781. DP(NETIF_MSG_LINK,
  3782. "gp_status1 0x%x\n", gp_status1);
  3783. if (lnkup_kr || lnkup) {
  3784. vars->rx_tx_asic_rst = 0;
  3785. DP(NETIF_MSG_LINK,
  3786. "link up, rx_tx_asic_rst 0x%x\n",
  3787. vars->rx_tx_asic_rst);
  3788. } else {
  3789. /* Reset the lane to see if link comes up.*/
  3790. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3791. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3792. /* Restart Autoneg */
  3793. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3794. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3795. vars->rx_tx_asic_rst--;
  3796. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3797. vars->rx_tx_asic_rst);
  3798. }
  3799. break;
  3800. default:
  3801. break;
  3802. }
  3803. } /*params->rx_tx_asic_rst*/
  3804. }
  3805. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3806. struct link_params *params)
  3807. {
  3808. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3809. struct bnx2x *bp = params->bp;
  3810. bnx2x_warpcore_clear_regs(phy, params, lane);
  3811. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3812. SPEED_10000) &&
  3813. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3814. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3815. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3816. } else {
  3817. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3818. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3819. }
  3820. }
  3821. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3822. struct link_params *params,
  3823. struct link_vars *vars)
  3824. {
  3825. struct bnx2x *bp = params->bp;
  3826. u32 serdes_net_if;
  3827. u8 fiber_mode;
  3828. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3829. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3830. offsetof(struct shmem_region, dev_info.
  3831. port_hw_config[params->port].default_cfg)) &
  3832. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3833. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3834. "serdes_net_if = 0x%x\n",
  3835. vars->line_speed, serdes_net_if);
  3836. bnx2x_set_aer_mmd(params, phy);
  3837. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3838. vars->phy_flags |= PHY_XGXS_FLAG;
  3839. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3840. (phy->req_line_speed &&
  3841. ((phy->req_line_speed == SPEED_100) ||
  3842. (phy->req_line_speed == SPEED_10)))) {
  3843. vars->phy_flags |= PHY_SGMII_FLAG;
  3844. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3845. bnx2x_warpcore_clear_regs(phy, params, lane);
  3846. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3847. } else {
  3848. switch (serdes_net_if) {
  3849. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3850. /* Enable KR Auto Neg */
  3851. if (params->loopback_mode != LOOPBACK_EXT)
  3852. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3853. else {
  3854. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3855. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3856. }
  3857. break;
  3858. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3859. bnx2x_warpcore_clear_regs(phy, params, lane);
  3860. if (vars->line_speed == SPEED_10000) {
  3861. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3862. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3863. } else {
  3864. if (SINGLE_MEDIA_DIRECT(params)) {
  3865. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3866. fiber_mode = 1;
  3867. } else {
  3868. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3869. fiber_mode = 0;
  3870. }
  3871. bnx2x_warpcore_set_sgmii_speed(phy,
  3872. params,
  3873. fiber_mode,
  3874. 0);
  3875. }
  3876. break;
  3877. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3878. /* Issue Module detection */
  3879. if (bnx2x_is_sfp_module_plugged(phy, params))
  3880. bnx2x_sfp_module_detection(phy, params);
  3881. bnx2x_warpcore_config_sfi(phy, params);
  3882. break;
  3883. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3884. if (vars->line_speed != SPEED_20000) {
  3885. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3886. return;
  3887. }
  3888. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3889. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3890. /* Issue Module detection */
  3891. bnx2x_sfp_module_detection(phy, params);
  3892. break;
  3893. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3894. if (!params->loopback_mode) {
  3895. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3896. } else {
  3897. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3898. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3899. }
  3900. break;
  3901. default:
  3902. DP(NETIF_MSG_LINK,
  3903. "Unsupported Serdes Net Interface 0x%x\n",
  3904. serdes_net_if);
  3905. return;
  3906. }
  3907. }
  3908. /* Take lane out of reset after configuration is finished */
  3909. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3910. DP(NETIF_MSG_LINK, "Exit config init\n");
  3911. }
  3912. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3913. struct bnx2x_phy *phy,
  3914. u8 tx_en)
  3915. {
  3916. struct bnx2x *bp = params->bp;
  3917. u32 cfg_pin;
  3918. u8 port = params->port;
  3919. cfg_pin = REG_RD(bp, params->shmem_base +
  3920. offsetof(struct shmem_region,
  3921. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3922. PORT_HW_CFG_TX_LASER_MASK;
  3923. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3924. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3925. /* For 20G, the expected pin to be used is 3 pins after the current */
  3926. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3927. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3928. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3929. }
  3930. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3931. struct link_params *params)
  3932. {
  3933. struct bnx2x *bp = params->bp;
  3934. u16 val16, lane;
  3935. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3936. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3937. bnx2x_set_aer_mmd(params, phy);
  3938. /* Global register */
  3939. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3940. /* Clear loopback settings (if any) */
  3941. /* 10G & 20G */
  3942. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3943. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3944. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3945. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3946. 0xBFFF);
  3947. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3948. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3949. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3950. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3951. /* Update those 1-copy registers */
  3952. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3953. MDIO_AER_BLOCK_AER_REG, 0);
  3954. /* Enable 1G MDIO (1-copy) */
  3955. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3956. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3957. &val16);
  3958. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3959. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3960. val16 & ~0x10);
  3961. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3962. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3963. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3964. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3965. val16 & 0xff00);
  3966. lane = bnx2x_get_warpcore_lane(phy, params);
  3967. /* Disable CL36 PCS Tx */
  3968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3969. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3970. val16 |= (0x11 << lane);
  3971. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3972. val16 |= (0x22 << lane);
  3973. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3974. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3975. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3977. val16 &= ~(0x0303 << (lane << 1));
  3978. val16 |= (0x0101 << (lane << 1));
  3979. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3980. val16 &= ~(0x0c0c << (lane << 1));
  3981. val16 |= (0x0404 << (lane << 1));
  3982. }
  3983. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3985. /* Restore AER */
  3986. bnx2x_set_aer_mmd(params, phy);
  3987. }
  3988. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3989. struct link_params *params)
  3990. {
  3991. struct bnx2x *bp = params->bp;
  3992. u16 val16;
  3993. u32 lane;
  3994. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3995. params->loopback_mode, phy->req_line_speed);
  3996. if (phy->req_line_speed < SPEED_10000 ||
  3997. phy->supported & SUPPORTED_20000baseKR2_Full) {
  3998. /* 10/100/1000/20G-KR2 */
  3999. /* Update those 1-copy registers */
  4000. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4001. MDIO_AER_BLOCK_AER_REG, 0);
  4002. /* Enable 1G MDIO (1-copy) */
  4003. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4004. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4005. 0x10);
  4006. /* Set 1G loopback based on lane (1-copy) */
  4007. lane = bnx2x_get_warpcore_lane(phy, params);
  4008. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4009. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4010. val16 |= (1<<lane);
  4011. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4012. val16 |= (2<<lane);
  4013. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4014. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4015. val16);
  4016. /* Switch back to 4-copy registers */
  4017. bnx2x_set_aer_mmd(params, phy);
  4018. } else {
  4019. /* 10G / 20G-DXGXS */
  4020. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4021. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4022. 0x4000);
  4023. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4024. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4025. }
  4026. }
  4027. static void bnx2x_sync_link(struct link_params *params,
  4028. struct link_vars *vars)
  4029. {
  4030. struct bnx2x *bp = params->bp;
  4031. u8 link_10g_plus;
  4032. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4033. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4034. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4035. if (vars->link_up) {
  4036. DP(NETIF_MSG_LINK, "phy link up\n");
  4037. vars->phy_link_up = 1;
  4038. vars->duplex = DUPLEX_FULL;
  4039. switch (vars->link_status &
  4040. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4041. case LINK_10THD:
  4042. vars->duplex = DUPLEX_HALF;
  4043. /* Fall thru */
  4044. case LINK_10TFD:
  4045. vars->line_speed = SPEED_10;
  4046. break;
  4047. case LINK_100TXHD:
  4048. vars->duplex = DUPLEX_HALF;
  4049. /* Fall thru */
  4050. case LINK_100T4:
  4051. case LINK_100TXFD:
  4052. vars->line_speed = SPEED_100;
  4053. break;
  4054. case LINK_1000THD:
  4055. vars->duplex = DUPLEX_HALF;
  4056. /* Fall thru */
  4057. case LINK_1000TFD:
  4058. vars->line_speed = SPEED_1000;
  4059. break;
  4060. case LINK_2500THD:
  4061. vars->duplex = DUPLEX_HALF;
  4062. /* Fall thru */
  4063. case LINK_2500TFD:
  4064. vars->line_speed = SPEED_2500;
  4065. break;
  4066. case LINK_10GTFD:
  4067. vars->line_speed = SPEED_10000;
  4068. break;
  4069. case LINK_20GTFD:
  4070. vars->line_speed = SPEED_20000;
  4071. break;
  4072. default:
  4073. break;
  4074. }
  4075. vars->flow_ctrl = 0;
  4076. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4077. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4078. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4079. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4080. if (!vars->flow_ctrl)
  4081. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4082. if (vars->line_speed &&
  4083. ((vars->line_speed == SPEED_10) ||
  4084. (vars->line_speed == SPEED_100))) {
  4085. vars->phy_flags |= PHY_SGMII_FLAG;
  4086. } else {
  4087. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4088. }
  4089. if (vars->line_speed &&
  4090. USES_WARPCORE(bp) &&
  4091. (vars->line_speed == SPEED_1000))
  4092. vars->phy_flags |= PHY_SGMII_FLAG;
  4093. /* Anything 10 and over uses the bmac */
  4094. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4095. if (link_10g_plus) {
  4096. if (USES_WARPCORE(bp))
  4097. vars->mac_type = MAC_TYPE_XMAC;
  4098. else
  4099. vars->mac_type = MAC_TYPE_BMAC;
  4100. } else {
  4101. if (USES_WARPCORE(bp))
  4102. vars->mac_type = MAC_TYPE_UMAC;
  4103. else
  4104. vars->mac_type = MAC_TYPE_EMAC;
  4105. }
  4106. } else { /* Link down */
  4107. DP(NETIF_MSG_LINK, "phy link down\n");
  4108. vars->phy_link_up = 0;
  4109. vars->line_speed = 0;
  4110. vars->duplex = DUPLEX_FULL;
  4111. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4112. /* Indicate no mac active */
  4113. vars->mac_type = MAC_TYPE_NONE;
  4114. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4115. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4116. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4117. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4118. }
  4119. }
  4120. void bnx2x_link_status_update(struct link_params *params,
  4121. struct link_vars *vars)
  4122. {
  4123. struct bnx2x *bp = params->bp;
  4124. u8 port = params->port;
  4125. u32 sync_offset, media_types;
  4126. /* Update PHY configuration */
  4127. set_phy_vars(params, vars);
  4128. vars->link_status = REG_RD(bp, params->shmem_base +
  4129. offsetof(struct shmem_region,
  4130. port_mb[port].link_status));
  4131. if (bnx2x_eee_has_cap(params))
  4132. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4133. offsetof(struct shmem2_region,
  4134. eee_status[params->port]));
  4135. vars->phy_flags = PHY_XGXS_FLAG;
  4136. bnx2x_sync_link(params, vars);
  4137. /* Sync media type */
  4138. sync_offset = params->shmem_base +
  4139. offsetof(struct shmem_region,
  4140. dev_info.port_hw_config[port].media_type);
  4141. media_types = REG_RD(bp, sync_offset);
  4142. params->phy[INT_PHY].media_type =
  4143. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4144. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4145. params->phy[EXT_PHY1].media_type =
  4146. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4147. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4148. params->phy[EXT_PHY2].media_type =
  4149. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4150. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4151. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4152. /* Sync AEU offset */
  4153. sync_offset = params->shmem_base +
  4154. offsetof(struct shmem_region,
  4155. dev_info.port_hw_config[port].aeu_int_mask);
  4156. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4157. /* Sync PFC status */
  4158. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4159. params->feature_config_flags |=
  4160. FEATURE_CONFIG_PFC_ENABLED;
  4161. else
  4162. params->feature_config_flags &=
  4163. ~FEATURE_CONFIG_PFC_ENABLED;
  4164. if (SHMEM2_HAS(bp, link_attr_sync))
  4165. vars->link_attr_sync = SHMEM2_RD(bp,
  4166. link_attr_sync[params->port]);
  4167. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4168. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4169. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4170. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4171. }
  4172. static void bnx2x_set_master_ln(struct link_params *params,
  4173. struct bnx2x_phy *phy)
  4174. {
  4175. struct bnx2x *bp = params->bp;
  4176. u16 new_master_ln, ser_lane;
  4177. ser_lane = ((params->lane_config &
  4178. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4179. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4180. /* Set the master_ln for AN */
  4181. CL22_RD_OVER_CL45(bp, phy,
  4182. MDIO_REG_BANK_XGXS_BLOCK2,
  4183. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4184. &new_master_ln);
  4185. CL22_WR_OVER_CL45(bp, phy,
  4186. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4187. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4188. (new_master_ln | ser_lane));
  4189. }
  4190. static int bnx2x_reset_unicore(struct link_params *params,
  4191. struct bnx2x_phy *phy,
  4192. u8 set_serdes)
  4193. {
  4194. struct bnx2x *bp = params->bp;
  4195. u16 mii_control;
  4196. u16 i;
  4197. CL22_RD_OVER_CL45(bp, phy,
  4198. MDIO_REG_BANK_COMBO_IEEE0,
  4199. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4200. /* Reset the unicore */
  4201. CL22_WR_OVER_CL45(bp, phy,
  4202. MDIO_REG_BANK_COMBO_IEEE0,
  4203. MDIO_COMBO_IEEE0_MII_CONTROL,
  4204. (mii_control |
  4205. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4206. if (set_serdes)
  4207. bnx2x_set_serdes_access(bp, params->port);
  4208. /* Wait for the reset to self clear */
  4209. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4210. udelay(5);
  4211. /* The reset erased the previous bank value */
  4212. CL22_RD_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_COMBO_IEEE0,
  4214. MDIO_COMBO_IEEE0_MII_CONTROL,
  4215. &mii_control);
  4216. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4217. udelay(5);
  4218. return 0;
  4219. }
  4220. }
  4221. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4222. " Port %d\n",
  4223. params->port);
  4224. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4225. return -EINVAL;
  4226. }
  4227. static void bnx2x_set_swap_lanes(struct link_params *params,
  4228. struct bnx2x_phy *phy)
  4229. {
  4230. struct bnx2x *bp = params->bp;
  4231. /* Each two bits represents a lane number:
  4232. * No swap is 0123 => 0x1b no need to enable the swap
  4233. */
  4234. u16 rx_lane_swap, tx_lane_swap;
  4235. rx_lane_swap = ((params->lane_config &
  4236. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4237. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4238. tx_lane_swap = ((params->lane_config &
  4239. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4240. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4241. if (rx_lane_swap != 0x1b) {
  4242. CL22_WR_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_XGXS_BLOCK2,
  4244. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4245. (rx_lane_swap |
  4246. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4247. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4248. } else {
  4249. CL22_WR_OVER_CL45(bp, phy,
  4250. MDIO_REG_BANK_XGXS_BLOCK2,
  4251. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4252. }
  4253. if (tx_lane_swap != 0x1b) {
  4254. CL22_WR_OVER_CL45(bp, phy,
  4255. MDIO_REG_BANK_XGXS_BLOCK2,
  4256. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4257. (tx_lane_swap |
  4258. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4259. } else {
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_XGXS_BLOCK2,
  4262. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4263. }
  4264. }
  4265. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4266. struct link_params *params)
  4267. {
  4268. struct bnx2x *bp = params->bp;
  4269. u16 control2;
  4270. CL22_RD_OVER_CL45(bp, phy,
  4271. MDIO_REG_BANK_SERDES_DIGITAL,
  4272. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4273. &control2);
  4274. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4275. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4276. else
  4277. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4278. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4279. phy->speed_cap_mask, control2);
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_SERDES_DIGITAL,
  4282. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4283. control2);
  4284. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4285. (phy->speed_cap_mask &
  4286. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4287. DP(NETIF_MSG_LINK, "XGXS\n");
  4288. CL22_WR_OVER_CL45(bp, phy,
  4289. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4290. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4291. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4292. CL22_RD_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4294. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4295. &control2);
  4296. control2 |=
  4297. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4298. CL22_WR_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4300. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4301. control2);
  4302. /* Disable parallel detection of HiG */
  4303. CL22_WR_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_XGXS_BLOCK2,
  4305. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4306. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4307. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4308. }
  4309. }
  4310. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4311. struct link_params *params,
  4312. struct link_vars *vars,
  4313. u8 enable_cl73)
  4314. {
  4315. struct bnx2x *bp = params->bp;
  4316. u16 reg_val;
  4317. /* CL37 Autoneg */
  4318. CL22_RD_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_COMBO_IEEE0,
  4320. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4321. /* CL37 Autoneg Enabled */
  4322. if (vars->line_speed == SPEED_AUTO_NEG)
  4323. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4324. else /* CL37 Autoneg Disabled */
  4325. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4326. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_COMBO_IEEE0,
  4329. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4330. /* Enable/Disable Autodetection */
  4331. CL22_RD_OVER_CL45(bp, phy,
  4332. MDIO_REG_BANK_SERDES_DIGITAL,
  4333. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4334. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4335. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4336. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4337. if (vars->line_speed == SPEED_AUTO_NEG)
  4338. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4339. else
  4340. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4341. CL22_WR_OVER_CL45(bp, phy,
  4342. MDIO_REG_BANK_SERDES_DIGITAL,
  4343. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4344. /* Enable TetonII and BAM autoneg */
  4345. CL22_RD_OVER_CL45(bp, phy,
  4346. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4347. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4348. &reg_val);
  4349. if (vars->line_speed == SPEED_AUTO_NEG) {
  4350. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4351. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4352. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4353. } else {
  4354. /* TetonII and BAM Autoneg Disabled */
  4355. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4356. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4357. }
  4358. CL22_WR_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4360. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4361. reg_val);
  4362. if (enable_cl73) {
  4363. /* Enable Cl73 FSM status bits */
  4364. CL22_WR_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_CL73_USERB0,
  4366. MDIO_CL73_USERB0_CL73_UCTRL,
  4367. 0xe);
  4368. /* Enable BAM Station Manager*/
  4369. CL22_WR_OVER_CL45(bp, phy,
  4370. MDIO_REG_BANK_CL73_USERB0,
  4371. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4372. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4373. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4374. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4375. /* Advertise CL73 link speeds */
  4376. CL22_RD_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_CL73_IEEEB1,
  4378. MDIO_CL73_IEEEB1_AN_ADV2,
  4379. &reg_val);
  4380. if (phy->speed_cap_mask &
  4381. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4382. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4383. if (phy->speed_cap_mask &
  4384. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4385. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4386. CL22_WR_OVER_CL45(bp, phy,
  4387. MDIO_REG_BANK_CL73_IEEEB1,
  4388. MDIO_CL73_IEEEB1_AN_ADV2,
  4389. reg_val);
  4390. /* CL73 Autoneg Enabled */
  4391. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4392. } else /* CL73 Autoneg Disabled */
  4393. reg_val = 0;
  4394. CL22_WR_OVER_CL45(bp, phy,
  4395. MDIO_REG_BANK_CL73_IEEEB0,
  4396. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4397. }
  4398. /* Program SerDes, forced speed */
  4399. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4400. struct link_params *params,
  4401. struct link_vars *vars)
  4402. {
  4403. struct bnx2x *bp = params->bp;
  4404. u16 reg_val;
  4405. /* Program duplex, disable autoneg and sgmii*/
  4406. CL22_RD_OVER_CL45(bp, phy,
  4407. MDIO_REG_BANK_COMBO_IEEE0,
  4408. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4409. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4410. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4411. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4412. if (phy->req_duplex == DUPLEX_FULL)
  4413. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4414. CL22_WR_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_COMBO_IEEE0,
  4416. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4417. /* Program speed
  4418. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4419. */
  4420. CL22_RD_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_SERDES_DIGITAL,
  4422. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4423. /* Clearing the speed value before setting the right speed */
  4424. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4425. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4426. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4427. if (!((vars->line_speed == SPEED_1000) ||
  4428. (vars->line_speed == SPEED_100) ||
  4429. (vars->line_speed == SPEED_10))) {
  4430. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4431. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4432. if (vars->line_speed == SPEED_10000)
  4433. reg_val |=
  4434. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4435. }
  4436. CL22_WR_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_SERDES_DIGITAL,
  4438. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4439. }
  4440. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4441. struct link_params *params)
  4442. {
  4443. struct bnx2x *bp = params->bp;
  4444. u16 val = 0;
  4445. /* Set extended capabilities */
  4446. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4447. val |= MDIO_OVER_1G_UP1_2_5G;
  4448. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4449. val |= MDIO_OVER_1G_UP1_10G;
  4450. CL22_WR_OVER_CL45(bp, phy,
  4451. MDIO_REG_BANK_OVER_1G,
  4452. MDIO_OVER_1G_UP1, val);
  4453. CL22_WR_OVER_CL45(bp, phy,
  4454. MDIO_REG_BANK_OVER_1G,
  4455. MDIO_OVER_1G_UP3, 0x400);
  4456. }
  4457. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4458. struct link_params *params,
  4459. u16 ieee_fc)
  4460. {
  4461. struct bnx2x *bp = params->bp;
  4462. u16 val;
  4463. /* For AN, we are always publishing full duplex */
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_COMBO_IEEE0,
  4466. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4467. CL22_RD_OVER_CL45(bp, phy,
  4468. MDIO_REG_BANK_CL73_IEEEB1,
  4469. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4470. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4471. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4472. CL22_WR_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_CL73_IEEEB1,
  4474. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4475. }
  4476. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4477. struct link_params *params,
  4478. u8 enable_cl73)
  4479. {
  4480. struct bnx2x *bp = params->bp;
  4481. u16 mii_control;
  4482. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4483. /* Enable and restart BAM/CL37 aneg */
  4484. if (enable_cl73) {
  4485. CL22_RD_OVER_CL45(bp, phy,
  4486. MDIO_REG_BANK_CL73_IEEEB0,
  4487. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4488. &mii_control);
  4489. CL22_WR_OVER_CL45(bp, phy,
  4490. MDIO_REG_BANK_CL73_IEEEB0,
  4491. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4492. (mii_control |
  4493. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4494. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4495. } else {
  4496. CL22_RD_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_COMBO_IEEE0,
  4498. MDIO_COMBO_IEEE0_MII_CONTROL,
  4499. &mii_control);
  4500. DP(NETIF_MSG_LINK,
  4501. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4502. mii_control);
  4503. CL22_WR_OVER_CL45(bp, phy,
  4504. MDIO_REG_BANK_COMBO_IEEE0,
  4505. MDIO_COMBO_IEEE0_MII_CONTROL,
  4506. (mii_control |
  4507. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4508. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4509. }
  4510. }
  4511. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4512. struct link_params *params,
  4513. struct link_vars *vars)
  4514. {
  4515. struct bnx2x *bp = params->bp;
  4516. u16 control1;
  4517. /* In SGMII mode, the unicore is always slave */
  4518. CL22_RD_OVER_CL45(bp, phy,
  4519. MDIO_REG_BANK_SERDES_DIGITAL,
  4520. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4521. &control1);
  4522. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4523. /* Set sgmii mode (and not fiber) */
  4524. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4525. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4526. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4527. CL22_WR_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_SERDES_DIGITAL,
  4529. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4530. control1);
  4531. /* If forced speed */
  4532. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4533. /* Set speed, disable autoneg */
  4534. u16 mii_control;
  4535. CL22_RD_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_COMBO_IEEE0,
  4537. MDIO_COMBO_IEEE0_MII_CONTROL,
  4538. &mii_control);
  4539. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4540. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4541. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4542. switch (vars->line_speed) {
  4543. case SPEED_100:
  4544. mii_control |=
  4545. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4546. break;
  4547. case SPEED_1000:
  4548. mii_control |=
  4549. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4550. break;
  4551. case SPEED_10:
  4552. /* There is nothing to set for 10M */
  4553. break;
  4554. default:
  4555. /* Invalid speed for SGMII */
  4556. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4557. vars->line_speed);
  4558. break;
  4559. }
  4560. /* Setting the full duplex */
  4561. if (phy->req_duplex == DUPLEX_FULL)
  4562. mii_control |=
  4563. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4564. CL22_WR_OVER_CL45(bp, phy,
  4565. MDIO_REG_BANK_COMBO_IEEE0,
  4566. MDIO_COMBO_IEEE0_MII_CONTROL,
  4567. mii_control);
  4568. } else { /* AN mode */
  4569. /* Enable and restart AN */
  4570. bnx2x_restart_autoneg(phy, params, 0);
  4571. }
  4572. }
  4573. /* Link management
  4574. */
  4575. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4576. struct link_params *params)
  4577. {
  4578. struct bnx2x *bp = params->bp;
  4579. u16 pd_10g, status2_1000x;
  4580. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4581. return 0;
  4582. CL22_RD_OVER_CL45(bp, phy,
  4583. MDIO_REG_BANK_SERDES_DIGITAL,
  4584. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4585. &status2_1000x);
  4586. CL22_RD_OVER_CL45(bp, phy,
  4587. MDIO_REG_BANK_SERDES_DIGITAL,
  4588. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4589. &status2_1000x);
  4590. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4591. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4592. params->port);
  4593. return 1;
  4594. }
  4595. CL22_RD_OVER_CL45(bp, phy,
  4596. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4597. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4598. &pd_10g);
  4599. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4600. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4601. params->port);
  4602. return 1;
  4603. }
  4604. return 0;
  4605. }
  4606. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4607. struct link_params *params,
  4608. struct link_vars *vars,
  4609. u32 gp_status)
  4610. {
  4611. u16 ld_pause; /* local driver */
  4612. u16 lp_pause; /* link partner */
  4613. u16 pause_result;
  4614. struct bnx2x *bp = params->bp;
  4615. if ((gp_status &
  4616. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4617. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4618. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4619. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4620. CL22_RD_OVER_CL45(bp, phy,
  4621. MDIO_REG_BANK_CL73_IEEEB1,
  4622. MDIO_CL73_IEEEB1_AN_ADV1,
  4623. &ld_pause);
  4624. CL22_RD_OVER_CL45(bp, phy,
  4625. MDIO_REG_BANK_CL73_IEEEB1,
  4626. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4627. &lp_pause);
  4628. pause_result = (ld_pause &
  4629. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4630. pause_result |= (lp_pause &
  4631. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4632. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4633. } else {
  4634. CL22_RD_OVER_CL45(bp, phy,
  4635. MDIO_REG_BANK_COMBO_IEEE0,
  4636. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4637. &ld_pause);
  4638. CL22_RD_OVER_CL45(bp, phy,
  4639. MDIO_REG_BANK_COMBO_IEEE0,
  4640. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4641. &lp_pause);
  4642. pause_result = (ld_pause &
  4643. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4644. pause_result |= (lp_pause &
  4645. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4646. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4647. }
  4648. bnx2x_pause_resolve(vars, pause_result);
  4649. }
  4650. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4651. struct link_params *params,
  4652. struct link_vars *vars,
  4653. u32 gp_status)
  4654. {
  4655. struct bnx2x *bp = params->bp;
  4656. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4657. /* Resolve from gp_status in case of AN complete and not sgmii */
  4658. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4659. /* Update the advertised flow-controled of LD/LP in AN */
  4660. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4661. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4662. /* But set the flow-control result as the requested one */
  4663. vars->flow_ctrl = phy->req_flow_ctrl;
  4664. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4665. vars->flow_ctrl = params->req_fc_auto_adv;
  4666. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4667. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4668. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4669. vars->flow_ctrl = params->req_fc_auto_adv;
  4670. return;
  4671. }
  4672. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4673. }
  4674. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4675. }
  4676. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4677. struct link_params *params)
  4678. {
  4679. struct bnx2x *bp = params->bp;
  4680. u16 rx_status, ustat_val, cl37_fsm_received;
  4681. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4682. /* Step 1: Make sure signal is detected */
  4683. CL22_RD_OVER_CL45(bp, phy,
  4684. MDIO_REG_BANK_RX0,
  4685. MDIO_RX0_RX_STATUS,
  4686. &rx_status);
  4687. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4688. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4689. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4690. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4691. CL22_WR_OVER_CL45(bp, phy,
  4692. MDIO_REG_BANK_CL73_IEEEB0,
  4693. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4694. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4695. return;
  4696. }
  4697. /* Step 2: Check CL73 state machine */
  4698. CL22_RD_OVER_CL45(bp, phy,
  4699. MDIO_REG_BANK_CL73_USERB0,
  4700. MDIO_CL73_USERB0_CL73_USTAT1,
  4701. &ustat_val);
  4702. if ((ustat_val &
  4703. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4704. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4705. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4706. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4707. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4708. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4709. return;
  4710. }
  4711. /* Step 3: Check CL37 Message Pages received to indicate LP
  4712. * supports only CL37
  4713. */
  4714. CL22_RD_OVER_CL45(bp, phy,
  4715. MDIO_REG_BANK_REMOTE_PHY,
  4716. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4717. &cl37_fsm_received);
  4718. if ((cl37_fsm_received &
  4719. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4720. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4721. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4722. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4723. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4724. "misc_rx_status(0x8330) = 0x%x\n",
  4725. cl37_fsm_received);
  4726. return;
  4727. }
  4728. /* The combined cl37/cl73 fsm state information indicating that
  4729. * we are connected to a device which does not support cl73, but
  4730. * does support cl37 BAM. In this case we disable cl73 and
  4731. * restart cl37 auto-neg
  4732. */
  4733. /* Disable CL73 */
  4734. CL22_WR_OVER_CL45(bp, phy,
  4735. MDIO_REG_BANK_CL73_IEEEB0,
  4736. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4737. 0);
  4738. /* Restart CL37 autoneg */
  4739. bnx2x_restart_autoneg(phy, params, 0);
  4740. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4741. }
  4742. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4743. struct link_params *params,
  4744. struct link_vars *vars,
  4745. u32 gp_status)
  4746. {
  4747. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4748. vars->link_status |=
  4749. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4750. if (bnx2x_direct_parallel_detect_used(phy, params))
  4751. vars->link_status |=
  4752. LINK_STATUS_PARALLEL_DETECTION_USED;
  4753. }
  4754. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4755. struct link_params *params,
  4756. struct link_vars *vars,
  4757. u16 is_link_up,
  4758. u16 speed_mask,
  4759. u16 is_duplex)
  4760. {
  4761. struct bnx2x *bp = params->bp;
  4762. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4763. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4764. if (is_link_up) {
  4765. DP(NETIF_MSG_LINK, "phy link up\n");
  4766. vars->phy_link_up = 1;
  4767. vars->link_status |= LINK_STATUS_LINK_UP;
  4768. switch (speed_mask) {
  4769. case GP_STATUS_10M:
  4770. vars->line_speed = SPEED_10;
  4771. if (is_duplex == DUPLEX_FULL)
  4772. vars->link_status |= LINK_10TFD;
  4773. else
  4774. vars->link_status |= LINK_10THD;
  4775. break;
  4776. case GP_STATUS_100M:
  4777. vars->line_speed = SPEED_100;
  4778. if (is_duplex == DUPLEX_FULL)
  4779. vars->link_status |= LINK_100TXFD;
  4780. else
  4781. vars->link_status |= LINK_100TXHD;
  4782. break;
  4783. case GP_STATUS_1G:
  4784. case GP_STATUS_1G_KX:
  4785. vars->line_speed = SPEED_1000;
  4786. if (is_duplex == DUPLEX_FULL)
  4787. vars->link_status |= LINK_1000TFD;
  4788. else
  4789. vars->link_status |= LINK_1000THD;
  4790. break;
  4791. case GP_STATUS_2_5G:
  4792. vars->line_speed = SPEED_2500;
  4793. if (is_duplex == DUPLEX_FULL)
  4794. vars->link_status |= LINK_2500TFD;
  4795. else
  4796. vars->link_status |= LINK_2500THD;
  4797. break;
  4798. case GP_STATUS_5G:
  4799. case GP_STATUS_6G:
  4800. DP(NETIF_MSG_LINK,
  4801. "link speed unsupported gp_status 0x%x\n",
  4802. speed_mask);
  4803. return -EINVAL;
  4804. case GP_STATUS_10G_KX4:
  4805. case GP_STATUS_10G_HIG:
  4806. case GP_STATUS_10G_CX4:
  4807. case GP_STATUS_10G_KR:
  4808. case GP_STATUS_10G_SFI:
  4809. case GP_STATUS_10G_XFI:
  4810. vars->line_speed = SPEED_10000;
  4811. vars->link_status |= LINK_10GTFD;
  4812. break;
  4813. case GP_STATUS_20G_DXGXS:
  4814. case GP_STATUS_20G_KR2:
  4815. vars->line_speed = SPEED_20000;
  4816. vars->link_status |= LINK_20GTFD;
  4817. break;
  4818. default:
  4819. DP(NETIF_MSG_LINK,
  4820. "link speed unsupported gp_status 0x%x\n",
  4821. speed_mask);
  4822. return -EINVAL;
  4823. }
  4824. } else { /* link_down */
  4825. DP(NETIF_MSG_LINK, "phy link down\n");
  4826. vars->phy_link_up = 0;
  4827. vars->duplex = DUPLEX_FULL;
  4828. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4829. vars->mac_type = MAC_TYPE_NONE;
  4830. }
  4831. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4832. vars->phy_link_up, vars->line_speed);
  4833. return 0;
  4834. }
  4835. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4836. struct link_params *params,
  4837. struct link_vars *vars)
  4838. {
  4839. struct bnx2x *bp = params->bp;
  4840. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4841. int rc = 0;
  4842. /* Read gp_status */
  4843. CL22_RD_OVER_CL45(bp, phy,
  4844. MDIO_REG_BANK_GP_STATUS,
  4845. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4846. &gp_status);
  4847. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4848. duplex = DUPLEX_FULL;
  4849. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4850. link_up = 1;
  4851. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4852. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4853. gp_status, link_up, speed_mask);
  4854. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4855. duplex);
  4856. if (rc == -EINVAL)
  4857. return rc;
  4858. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4859. if (SINGLE_MEDIA_DIRECT(params)) {
  4860. vars->duplex = duplex;
  4861. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4862. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4863. bnx2x_xgxs_an_resolve(phy, params, vars,
  4864. gp_status);
  4865. }
  4866. } else { /* Link_down */
  4867. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4868. SINGLE_MEDIA_DIRECT(params)) {
  4869. /* Check signal is detected */
  4870. bnx2x_check_fallback_to_cl37(phy, params);
  4871. }
  4872. }
  4873. /* Read LP advertised speeds*/
  4874. if (SINGLE_MEDIA_DIRECT(params) &&
  4875. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4876. u16 val;
  4877. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4878. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4879. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4880. vars->link_status |=
  4881. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4882. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4883. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4884. vars->link_status |=
  4885. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4886. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4887. MDIO_OVER_1G_LP_UP1, &val);
  4888. if (val & MDIO_OVER_1G_UP1_2_5G)
  4889. vars->link_status |=
  4890. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4891. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4892. vars->link_status |=
  4893. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4894. }
  4895. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4896. vars->duplex, vars->flow_ctrl, vars->link_status);
  4897. return rc;
  4898. }
  4899. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4900. struct link_params *params,
  4901. struct link_vars *vars)
  4902. {
  4903. struct bnx2x *bp = params->bp;
  4904. u8 lane;
  4905. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4906. int rc = 0;
  4907. lane = bnx2x_get_warpcore_lane(phy, params);
  4908. /* Read gp_status */
  4909. if ((params->loopback_mode) &&
  4910. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4911. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4912. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4913. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4914. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4915. link_up &= 0x1;
  4916. } else if ((phy->req_line_speed > SPEED_10000) &&
  4917. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4918. u16 temp_link_up;
  4919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4920. 1, &temp_link_up);
  4921. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4922. 1, &link_up);
  4923. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4924. temp_link_up, link_up);
  4925. link_up &= (1<<2);
  4926. if (link_up)
  4927. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4928. } else {
  4929. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4930. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4931. &gp_status1);
  4932. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4933. /* Check for either KR, 1G, or AN up. */
  4934. link_up = ((gp_status1 >> 8) |
  4935. (gp_status1 >> 12) |
  4936. (gp_status1)) &
  4937. (1 << lane);
  4938. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4939. u16 an_link;
  4940. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4941. MDIO_AN_REG_STATUS, &an_link);
  4942. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4943. MDIO_AN_REG_STATUS, &an_link);
  4944. link_up |= (an_link & (1<<2));
  4945. }
  4946. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4947. u16 pd, gp_status4;
  4948. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4949. /* Check Autoneg complete */
  4950. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4951. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4952. &gp_status4);
  4953. if (gp_status4 & ((1<<12)<<lane))
  4954. vars->link_status |=
  4955. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4956. /* Check parallel detect used */
  4957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4958. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4959. &pd);
  4960. if (pd & (1<<15))
  4961. vars->link_status |=
  4962. LINK_STATUS_PARALLEL_DETECTION_USED;
  4963. }
  4964. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4965. vars->duplex = duplex;
  4966. }
  4967. }
  4968. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4969. SINGLE_MEDIA_DIRECT(params)) {
  4970. u16 val;
  4971. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4972. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4973. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4974. vars->link_status |=
  4975. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4976. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4977. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4978. vars->link_status |=
  4979. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4980. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4981. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4982. if (val & MDIO_OVER_1G_UP1_2_5G)
  4983. vars->link_status |=
  4984. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4985. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4986. vars->link_status |=
  4987. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4988. }
  4989. if (lane < 2) {
  4990. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4991. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4992. } else {
  4993. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4994. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4995. }
  4996. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4997. if ((lane & 1) == 0)
  4998. gp_speed <<= 8;
  4999. gp_speed &= 0x3f00;
  5000. link_up = !!link_up;
  5001. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5002. duplex);
  5003. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5004. vars->duplex, vars->flow_ctrl, vars->link_status);
  5005. return rc;
  5006. }
  5007. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5008. {
  5009. struct bnx2x *bp = params->bp;
  5010. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5011. u16 lp_up2;
  5012. u16 tx_driver;
  5013. u16 bank;
  5014. /* Read precomp */
  5015. CL22_RD_OVER_CL45(bp, phy,
  5016. MDIO_REG_BANK_OVER_1G,
  5017. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5018. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5019. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5020. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5021. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5022. if (lp_up2 == 0)
  5023. return;
  5024. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5025. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5026. CL22_RD_OVER_CL45(bp, phy,
  5027. bank,
  5028. MDIO_TX0_TX_DRIVER, &tx_driver);
  5029. /* Replace tx_driver bits [15:12] */
  5030. if (lp_up2 !=
  5031. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5032. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5033. tx_driver |= lp_up2;
  5034. CL22_WR_OVER_CL45(bp, phy,
  5035. bank,
  5036. MDIO_TX0_TX_DRIVER, tx_driver);
  5037. }
  5038. }
  5039. }
  5040. static int bnx2x_emac_program(struct link_params *params,
  5041. struct link_vars *vars)
  5042. {
  5043. struct bnx2x *bp = params->bp;
  5044. u8 port = params->port;
  5045. u16 mode = 0;
  5046. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5047. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5048. EMAC_REG_EMAC_MODE,
  5049. (EMAC_MODE_25G_MODE |
  5050. EMAC_MODE_PORT_MII_10M |
  5051. EMAC_MODE_HALF_DUPLEX));
  5052. switch (vars->line_speed) {
  5053. case SPEED_10:
  5054. mode |= EMAC_MODE_PORT_MII_10M;
  5055. break;
  5056. case SPEED_100:
  5057. mode |= EMAC_MODE_PORT_MII;
  5058. break;
  5059. case SPEED_1000:
  5060. mode |= EMAC_MODE_PORT_GMII;
  5061. break;
  5062. case SPEED_2500:
  5063. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5064. break;
  5065. default:
  5066. /* 10G not valid for EMAC */
  5067. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5068. vars->line_speed);
  5069. return -EINVAL;
  5070. }
  5071. if (vars->duplex == DUPLEX_HALF)
  5072. mode |= EMAC_MODE_HALF_DUPLEX;
  5073. bnx2x_bits_en(bp,
  5074. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5075. mode);
  5076. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5077. return 0;
  5078. }
  5079. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5080. struct link_params *params)
  5081. {
  5082. u16 bank, i = 0;
  5083. struct bnx2x *bp = params->bp;
  5084. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5085. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5086. CL22_WR_OVER_CL45(bp, phy,
  5087. bank,
  5088. MDIO_RX0_RX_EQ_BOOST,
  5089. phy->rx_preemphasis[i]);
  5090. }
  5091. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5092. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5093. CL22_WR_OVER_CL45(bp, phy,
  5094. bank,
  5095. MDIO_TX0_TX_DRIVER,
  5096. phy->tx_preemphasis[i]);
  5097. }
  5098. }
  5099. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5100. struct link_params *params,
  5101. struct link_vars *vars)
  5102. {
  5103. struct bnx2x *bp = params->bp;
  5104. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5105. (params->loopback_mode == LOOPBACK_XGXS));
  5106. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5107. if (SINGLE_MEDIA_DIRECT(params) &&
  5108. (params->feature_config_flags &
  5109. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5110. bnx2x_set_preemphasis(phy, params);
  5111. /* Forced speed requested? */
  5112. if (vars->line_speed != SPEED_AUTO_NEG ||
  5113. (SINGLE_MEDIA_DIRECT(params) &&
  5114. params->loopback_mode == LOOPBACK_EXT)) {
  5115. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5116. /* Disable autoneg */
  5117. bnx2x_set_autoneg(phy, params, vars, 0);
  5118. /* Program speed and duplex */
  5119. bnx2x_program_serdes(phy, params, vars);
  5120. } else { /* AN_mode */
  5121. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5122. /* AN enabled */
  5123. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5124. /* Program duplex & pause advertisement (for aneg) */
  5125. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5126. vars->ieee_fc);
  5127. /* Enable autoneg */
  5128. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5129. /* Enable and restart AN */
  5130. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5131. }
  5132. } else { /* SGMII mode */
  5133. DP(NETIF_MSG_LINK, "SGMII\n");
  5134. bnx2x_initialize_sgmii_process(phy, params, vars);
  5135. }
  5136. }
  5137. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5138. struct link_params *params,
  5139. struct link_vars *vars)
  5140. {
  5141. int rc;
  5142. vars->phy_flags |= PHY_XGXS_FLAG;
  5143. if ((phy->req_line_speed &&
  5144. ((phy->req_line_speed == SPEED_100) ||
  5145. (phy->req_line_speed == SPEED_10))) ||
  5146. (!phy->req_line_speed &&
  5147. (phy->speed_cap_mask >=
  5148. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5149. (phy->speed_cap_mask <
  5150. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5151. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5152. vars->phy_flags |= PHY_SGMII_FLAG;
  5153. else
  5154. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5155. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5156. bnx2x_set_aer_mmd(params, phy);
  5157. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5158. bnx2x_set_master_ln(params, phy);
  5159. rc = bnx2x_reset_unicore(params, phy, 0);
  5160. /* Reset the SerDes and wait for reset bit return low */
  5161. if (rc)
  5162. return rc;
  5163. bnx2x_set_aer_mmd(params, phy);
  5164. /* Setting the masterLn_def again after the reset */
  5165. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5166. bnx2x_set_master_ln(params, phy);
  5167. bnx2x_set_swap_lanes(params, phy);
  5168. }
  5169. return rc;
  5170. }
  5171. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5172. struct bnx2x_phy *phy,
  5173. struct link_params *params)
  5174. {
  5175. u16 cnt, ctrl;
  5176. /* Wait for soft reset to get cleared up to 1 sec */
  5177. for (cnt = 0; cnt < 1000; cnt++) {
  5178. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5179. bnx2x_cl22_read(bp, phy,
  5180. MDIO_PMA_REG_CTRL, &ctrl);
  5181. else
  5182. bnx2x_cl45_read(bp, phy,
  5183. MDIO_PMA_DEVAD,
  5184. MDIO_PMA_REG_CTRL, &ctrl);
  5185. if (!(ctrl & (1<<15)))
  5186. break;
  5187. usleep_range(1000, 2000);
  5188. }
  5189. if (cnt == 1000)
  5190. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5191. " Port %d\n",
  5192. params->port);
  5193. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5194. return cnt;
  5195. }
  5196. static void bnx2x_link_int_enable(struct link_params *params)
  5197. {
  5198. u8 port = params->port;
  5199. u32 mask;
  5200. struct bnx2x *bp = params->bp;
  5201. /* Setting the status to report on link up for either XGXS or SerDes */
  5202. if (CHIP_IS_E3(bp)) {
  5203. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5204. if (!(SINGLE_MEDIA_DIRECT(params)))
  5205. mask |= NIG_MASK_MI_INT;
  5206. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5207. mask = (NIG_MASK_XGXS0_LINK10G |
  5208. NIG_MASK_XGXS0_LINK_STATUS);
  5209. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5210. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5211. params->phy[INT_PHY].type !=
  5212. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5213. mask |= NIG_MASK_MI_INT;
  5214. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5215. }
  5216. } else { /* SerDes */
  5217. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5218. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5219. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5220. params->phy[INT_PHY].type !=
  5221. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5222. mask |= NIG_MASK_MI_INT;
  5223. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5224. }
  5225. }
  5226. bnx2x_bits_en(bp,
  5227. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5228. mask);
  5229. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5230. (params->switch_cfg == SWITCH_CFG_10G),
  5231. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5232. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5233. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5234. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5235. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5236. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5237. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5238. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5239. }
  5240. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5241. u8 exp_mi_int)
  5242. {
  5243. u32 latch_status = 0;
  5244. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5245. * status register. Link down indication is high-active-signal,
  5246. * so in this case we need to write the status to clear the XOR
  5247. */
  5248. /* Read Latched signals */
  5249. latch_status = REG_RD(bp,
  5250. NIG_REG_LATCH_STATUS_0 + port*8);
  5251. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5252. /* Handle only those with latched-signal=up.*/
  5253. if (exp_mi_int)
  5254. bnx2x_bits_en(bp,
  5255. NIG_REG_STATUS_INTERRUPT_PORT0
  5256. + port*4,
  5257. NIG_STATUS_EMAC0_MI_INT);
  5258. else
  5259. bnx2x_bits_dis(bp,
  5260. NIG_REG_STATUS_INTERRUPT_PORT0
  5261. + port*4,
  5262. NIG_STATUS_EMAC0_MI_INT);
  5263. if (latch_status & 1) {
  5264. /* For all latched-signal=up : Re-Arm Latch signals */
  5265. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5266. (latch_status & 0xfffe) | (latch_status & 1));
  5267. }
  5268. /* For all latched-signal=up,Write original_signal to status */
  5269. }
  5270. static void bnx2x_link_int_ack(struct link_params *params,
  5271. struct link_vars *vars, u8 is_10g_plus)
  5272. {
  5273. struct bnx2x *bp = params->bp;
  5274. u8 port = params->port;
  5275. u32 mask;
  5276. /* First reset all status we assume only one line will be
  5277. * change at a time
  5278. */
  5279. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5280. (NIG_STATUS_XGXS0_LINK10G |
  5281. NIG_STATUS_XGXS0_LINK_STATUS |
  5282. NIG_STATUS_SERDES0_LINK_STATUS));
  5283. if (vars->phy_link_up) {
  5284. if (USES_WARPCORE(bp))
  5285. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5286. else {
  5287. if (is_10g_plus)
  5288. mask = NIG_STATUS_XGXS0_LINK10G;
  5289. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5290. /* Disable the link interrupt by writing 1 to
  5291. * the relevant lane in the status register
  5292. */
  5293. u32 ser_lane =
  5294. ((params->lane_config &
  5295. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5296. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5297. mask = ((1 << ser_lane) <<
  5298. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5299. } else
  5300. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5301. }
  5302. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5303. mask);
  5304. bnx2x_bits_en(bp,
  5305. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5306. mask);
  5307. }
  5308. }
  5309. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5310. {
  5311. u8 *str_ptr = str;
  5312. u32 mask = 0xf0000000;
  5313. u8 shift = 8*4;
  5314. u8 digit;
  5315. u8 remove_leading_zeros = 1;
  5316. if (*len < 10) {
  5317. /* Need more than 10chars for this format */
  5318. *str_ptr = '\0';
  5319. (*len)--;
  5320. return -EINVAL;
  5321. }
  5322. while (shift > 0) {
  5323. shift -= 4;
  5324. digit = ((num & mask) >> shift);
  5325. if (digit == 0 && remove_leading_zeros) {
  5326. mask = mask >> 4;
  5327. continue;
  5328. } else if (digit < 0xa)
  5329. *str_ptr = digit + '0';
  5330. else
  5331. *str_ptr = digit - 0xa + 'a';
  5332. remove_leading_zeros = 0;
  5333. str_ptr++;
  5334. (*len)--;
  5335. mask = mask >> 4;
  5336. if (shift == 4*4) {
  5337. *str_ptr = '.';
  5338. str_ptr++;
  5339. (*len)--;
  5340. remove_leading_zeros = 1;
  5341. }
  5342. }
  5343. return 0;
  5344. }
  5345. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5346. {
  5347. str[0] = '\0';
  5348. (*len)--;
  5349. return 0;
  5350. }
  5351. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5352. u16 len)
  5353. {
  5354. struct bnx2x *bp;
  5355. u32 spirom_ver = 0;
  5356. int status = 0;
  5357. u8 *ver_p = version;
  5358. u16 remain_len = len;
  5359. if (version == NULL || params == NULL)
  5360. return -EINVAL;
  5361. bp = params->bp;
  5362. /* Extract first external phy*/
  5363. version[0] = '\0';
  5364. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5365. if (params->phy[EXT_PHY1].format_fw_ver) {
  5366. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5367. ver_p,
  5368. &remain_len);
  5369. ver_p += (len - remain_len);
  5370. }
  5371. if ((params->num_phys == MAX_PHYS) &&
  5372. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5373. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5374. if (params->phy[EXT_PHY2].format_fw_ver) {
  5375. *ver_p = '/';
  5376. ver_p++;
  5377. remain_len--;
  5378. status |= params->phy[EXT_PHY2].format_fw_ver(
  5379. spirom_ver,
  5380. ver_p,
  5381. &remain_len);
  5382. ver_p = version + (len - remain_len);
  5383. }
  5384. }
  5385. *ver_p = '\0';
  5386. return status;
  5387. }
  5388. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5389. struct link_params *params)
  5390. {
  5391. u8 port = params->port;
  5392. struct bnx2x *bp = params->bp;
  5393. if (phy->req_line_speed != SPEED_1000) {
  5394. u32 md_devad = 0;
  5395. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5396. if (!CHIP_IS_E3(bp)) {
  5397. /* Change the uni_phy_addr in the nig */
  5398. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5399. port*0x18));
  5400. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5401. 0x5);
  5402. }
  5403. bnx2x_cl45_write(bp, phy,
  5404. 5,
  5405. (MDIO_REG_BANK_AER_BLOCK +
  5406. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5407. 0x2800);
  5408. bnx2x_cl45_write(bp, phy,
  5409. 5,
  5410. (MDIO_REG_BANK_CL73_IEEEB0 +
  5411. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5412. 0x6041);
  5413. msleep(200);
  5414. /* Set aer mmd back */
  5415. bnx2x_set_aer_mmd(params, phy);
  5416. if (!CHIP_IS_E3(bp)) {
  5417. /* And md_devad */
  5418. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5419. md_devad);
  5420. }
  5421. } else {
  5422. u16 mii_ctrl;
  5423. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5424. bnx2x_cl45_read(bp, phy, 5,
  5425. (MDIO_REG_BANK_COMBO_IEEE0 +
  5426. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5427. &mii_ctrl);
  5428. bnx2x_cl45_write(bp, phy, 5,
  5429. (MDIO_REG_BANK_COMBO_IEEE0 +
  5430. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5431. mii_ctrl |
  5432. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5433. }
  5434. }
  5435. int bnx2x_set_led(struct link_params *params,
  5436. struct link_vars *vars, u8 mode, u32 speed)
  5437. {
  5438. u8 port = params->port;
  5439. u16 hw_led_mode = params->hw_led_mode;
  5440. int rc = 0;
  5441. u8 phy_idx;
  5442. u32 tmp;
  5443. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5444. struct bnx2x *bp = params->bp;
  5445. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5446. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5447. speed, hw_led_mode);
  5448. /* In case */
  5449. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5450. if (params->phy[phy_idx].set_link_led) {
  5451. params->phy[phy_idx].set_link_led(
  5452. &params->phy[phy_idx], params, mode);
  5453. }
  5454. }
  5455. switch (mode) {
  5456. case LED_MODE_FRONT_PANEL_OFF:
  5457. case LED_MODE_OFF:
  5458. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5459. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5460. SHARED_HW_CFG_LED_MAC1);
  5461. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5462. if (params->phy[EXT_PHY1].type ==
  5463. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5464. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5465. EMAC_LED_100MB_OVERRIDE |
  5466. EMAC_LED_10MB_OVERRIDE);
  5467. else
  5468. tmp |= EMAC_LED_OVERRIDE;
  5469. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5470. break;
  5471. case LED_MODE_OPER:
  5472. /* For all other phys, OPER mode is same as ON, so in case
  5473. * link is down, do nothing
  5474. */
  5475. if (!vars->link_up)
  5476. break;
  5477. case LED_MODE_ON:
  5478. if (((params->phy[EXT_PHY1].type ==
  5479. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5480. (params->phy[EXT_PHY1].type ==
  5481. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5482. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5483. /* This is a work-around for E2+8727 Configurations */
  5484. if (mode == LED_MODE_ON ||
  5485. speed == SPEED_10000){
  5486. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5487. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5488. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5489. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5490. (tmp | EMAC_LED_OVERRIDE));
  5491. /* Return here without enabling traffic
  5492. * LED blink and setting rate in ON mode.
  5493. * In oper mode, enabling LED blink
  5494. * and setting rate is needed.
  5495. */
  5496. if (mode == LED_MODE_ON)
  5497. return rc;
  5498. }
  5499. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5500. /* This is a work-around for HW issue found when link
  5501. * is up in CL73
  5502. */
  5503. if ((!CHIP_IS_E3(bp)) ||
  5504. (CHIP_IS_E3(bp) &&
  5505. mode == LED_MODE_ON))
  5506. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5507. if (CHIP_IS_E1x(bp) ||
  5508. CHIP_IS_E2(bp) ||
  5509. (mode == LED_MODE_ON))
  5510. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5511. else
  5512. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5513. hw_led_mode);
  5514. } else if ((params->phy[EXT_PHY1].type ==
  5515. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5516. (mode == LED_MODE_ON)) {
  5517. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5518. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5519. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5520. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5521. /* Break here; otherwise, it'll disable the
  5522. * intended override.
  5523. */
  5524. break;
  5525. } else
  5526. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5527. hw_led_mode);
  5528. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5529. /* Set blinking rate to ~15.9Hz */
  5530. if (CHIP_IS_E3(bp))
  5531. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5532. LED_BLINK_RATE_VAL_E3);
  5533. else
  5534. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5535. LED_BLINK_RATE_VAL_E1X_E2);
  5536. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5537. port*4, 1);
  5538. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5539. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5540. (tmp & (~EMAC_LED_OVERRIDE)));
  5541. if (CHIP_IS_E1(bp) &&
  5542. ((speed == SPEED_2500) ||
  5543. (speed == SPEED_1000) ||
  5544. (speed == SPEED_100) ||
  5545. (speed == SPEED_10))) {
  5546. /* For speeds less than 10G LED scheme is different */
  5547. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5548. + port*4, 1);
  5549. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5550. port*4, 0);
  5551. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5552. port*4, 1);
  5553. }
  5554. break;
  5555. default:
  5556. rc = -EINVAL;
  5557. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5558. mode);
  5559. break;
  5560. }
  5561. return rc;
  5562. }
  5563. /* This function comes to reflect the actual link state read DIRECTLY from the
  5564. * HW
  5565. */
  5566. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5567. u8 is_serdes)
  5568. {
  5569. struct bnx2x *bp = params->bp;
  5570. u16 gp_status = 0, phy_index = 0;
  5571. u8 ext_phy_link_up = 0, serdes_phy_type;
  5572. struct link_vars temp_vars;
  5573. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5574. if (CHIP_IS_E3(bp)) {
  5575. u16 link_up;
  5576. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5577. > SPEED_10000) {
  5578. /* Check 20G link */
  5579. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5580. 1, &link_up);
  5581. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5582. 1, &link_up);
  5583. link_up &= (1<<2);
  5584. } else {
  5585. /* Check 10G link and below*/
  5586. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5587. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5588. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5589. &gp_status);
  5590. gp_status = ((gp_status >> 8) & 0xf) |
  5591. ((gp_status >> 12) & 0xf);
  5592. link_up = gp_status & (1 << lane);
  5593. }
  5594. if (!link_up)
  5595. return -ESRCH;
  5596. } else {
  5597. CL22_RD_OVER_CL45(bp, int_phy,
  5598. MDIO_REG_BANK_GP_STATUS,
  5599. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5600. &gp_status);
  5601. /* Link is up only if both local phy and external phy are up */
  5602. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5603. return -ESRCH;
  5604. }
  5605. /* In XGXS loopback mode, do not check external PHY */
  5606. if (params->loopback_mode == LOOPBACK_XGXS)
  5607. return 0;
  5608. switch (params->num_phys) {
  5609. case 1:
  5610. /* No external PHY */
  5611. return 0;
  5612. case 2:
  5613. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5614. &params->phy[EXT_PHY1],
  5615. params, &temp_vars);
  5616. break;
  5617. case 3: /* Dual Media */
  5618. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5619. phy_index++) {
  5620. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5621. ETH_PHY_SFPP_10G_FIBER) ||
  5622. (params->phy[phy_index].media_type ==
  5623. ETH_PHY_SFP_1G_FIBER) ||
  5624. (params->phy[phy_index].media_type ==
  5625. ETH_PHY_XFP_FIBER) ||
  5626. (params->phy[phy_index].media_type ==
  5627. ETH_PHY_DA_TWINAX));
  5628. if (is_serdes != serdes_phy_type)
  5629. continue;
  5630. if (params->phy[phy_index].read_status) {
  5631. ext_phy_link_up |=
  5632. params->phy[phy_index].read_status(
  5633. &params->phy[phy_index],
  5634. params, &temp_vars);
  5635. }
  5636. }
  5637. break;
  5638. }
  5639. if (ext_phy_link_up)
  5640. return 0;
  5641. return -ESRCH;
  5642. }
  5643. static int bnx2x_link_initialize(struct link_params *params,
  5644. struct link_vars *vars)
  5645. {
  5646. int rc = 0;
  5647. u8 phy_index, non_ext_phy;
  5648. struct bnx2x *bp = params->bp;
  5649. /* In case of external phy existence, the line speed would be the
  5650. * line speed linked up by the external phy. In case it is direct
  5651. * only, then the line_speed during initialization will be
  5652. * equal to the req_line_speed
  5653. */
  5654. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5655. /* Initialize the internal phy in case this is a direct board
  5656. * (no external phys), or this board has external phy which requires
  5657. * to first.
  5658. */
  5659. if (!USES_WARPCORE(bp))
  5660. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5661. /* init ext phy and enable link state int */
  5662. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5663. (params->loopback_mode == LOOPBACK_XGXS));
  5664. if (non_ext_phy ||
  5665. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5666. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5667. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5668. if (vars->line_speed == SPEED_AUTO_NEG &&
  5669. (CHIP_IS_E1x(bp) ||
  5670. CHIP_IS_E2(bp)))
  5671. bnx2x_set_parallel_detection(phy, params);
  5672. if (params->phy[INT_PHY].config_init)
  5673. params->phy[INT_PHY].config_init(phy,
  5674. params,
  5675. vars);
  5676. }
  5677. /* Init external phy*/
  5678. if (non_ext_phy) {
  5679. if (params->phy[INT_PHY].supported &
  5680. SUPPORTED_FIBRE)
  5681. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5682. } else {
  5683. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5684. phy_index++) {
  5685. /* No need to initialize second phy in case of first
  5686. * phy only selection. In case of second phy, we do
  5687. * need to initialize the first phy, since they are
  5688. * connected.
  5689. */
  5690. if (params->phy[phy_index].supported &
  5691. SUPPORTED_FIBRE)
  5692. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5693. if (phy_index == EXT_PHY2 &&
  5694. (bnx2x_phy_selection(params) ==
  5695. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5696. DP(NETIF_MSG_LINK,
  5697. "Not initializing second phy\n");
  5698. continue;
  5699. }
  5700. params->phy[phy_index].config_init(
  5701. &params->phy[phy_index],
  5702. params, vars);
  5703. }
  5704. }
  5705. /* Reset the interrupt indication after phy was initialized */
  5706. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5707. params->port*4,
  5708. (NIG_STATUS_XGXS0_LINK10G |
  5709. NIG_STATUS_XGXS0_LINK_STATUS |
  5710. NIG_STATUS_SERDES0_LINK_STATUS |
  5711. NIG_MASK_MI_INT));
  5712. return rc;
  5713. }
  5714. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5715. struct link_params *params)
  5716. {
  5717. /* Reset the SerDes/XGXS */
  5718. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5719. (0x1ff << (params->port*16)));
  5720. }
  5721. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5722. struct link_params *params)
  5723. {
  5724. struct bnx2x *bp = params->bp;
  5725. u8 gpio_port;
  5726. /* HW reset */
  5727. if (CHIP_IS_E2(bp))
  5728. gpio_port = BP_PATH(bp);
  5729. else
  5730. gpio_port = params->port;
  5731. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5732. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5733. gpio_port);
  5734. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5735. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5736. gpio_port);
  5737. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5738. }
  5739. static int bnx2x_update_link_down(struct link_params *params,
  5740. struct link_vars *vars)
  5741. {
  5742. struct bnx2x *bp = params->bp;
  5743. u8 port = params->port;
  5744. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5745. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5746. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5747. /* Indicate no mac active */
  5748. vars->mac_type = MAC_TYPE_NONE;
  5749. /* Update shared memory */
  5750. vars->link_status &= ~LINK_UPDATE_MASK;
  5751. vars->line_speed = 0;
  5752. bnx2x_update_mng(params, vars->link_status);
  5753. /* Activate nig drain */
  5754. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5755. /* Disable emac */
  5756. if (!CHIP_IS_E3(bp))
  5757. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5758. usleep_range(10000, 20000);
  5759. /* Reset BigMac/Xmac */
  5760. if (CHIP_IS_E1x(bp) ||
  5761. CHIP_IS_E2(bp))
  5762. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5763. if (CHIP_IS_E3(bp)) {
  5764. /* Prevent LPI Generation by chip */
  5765. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5766. 0);
  5767. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5768. 0);
  5769. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5770. SHMEM_EEE_ACTIVE_BIT);
  5771. bnx2x_update_mng_eee(params, vars->eee_status);
  5772. bnx2x_set_xmac_rxtx(params, 0);
  5773. bnx2x_set_umac_rxtx(params, 0);
  5774. }
  5775. return 0;
  5776. }
  5777. static int bnx2x_update_link_up(struct link_params *params,
  5778. struct link_vars *vars,
  5779. u8 link_10g)
  5780. {
  5781. struct bnx2x *bp = params->bp;
  5782. u8 phy_idx, port = params->port;
  5783. int rc = 0;
  5784. vars->link_status |= (LINK_STATUS_LINK_UP |
  5785. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5786. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5787. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5788. vars->link_status |=
  5789. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5790. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5791. vars->link_status |=
  5792. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5793. if (USES_WARPCORE(bp)) {
  5794. if (link_10g) {
  5795. if (bnx2x_xmac_enable(params, vars, 0) ==
  5796. -ESRCH) {
  5797. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5798. vars->link_up = 0;
  5799. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5800. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5801. }
  5802. } else
  5803. bnx2x_umac_enable(params, vars, 0);
  5804. bnx2x_set_led(params, vars,
  5805. LED_MODE_OPER, vars->line_speed);
  5806. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5807. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5808. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5809. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5810. (params->port << 2), 1);
  5811. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5812. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5813. (params->port << 2), 0xfc20);
  5814. }
  5815. }
  5816. if ((CHIP_IS_E1x(bp) ||
  5817. CHIP_IS_E2(bp))) {
  5818. if (link_10g) {
  5819. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5820. -ESRCH) {
  5821. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5822. vars->link_up = 0;
  5823. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5824. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5825. }
  5826. bnx2x_set_led(params, vars,
  5827. LED_MODE_OPER, SPEED_10000);
  5828. } else {
  5829. rc = bnx2x_emac_program(params, vars);
  5830. bnx2x_emac_enable(params, vars, 0);
  5831. /* AN complete? */
  5832. if ((vars->link_status &
  5833. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5834. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5835. SINGLE_MEDIA_DIRECT(params))
  5836. bnx2x_set_gmii_tx_driver(params);
  5837. }
  5838. }
  5839. /* PBF - link up */
  5840. if (CHIP_IS_E1x(bp))
  5841. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5842. vars->line_speed);
  5843. /* Disable drain */
  5844. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5845. /* Update shared memory */
  5846. bnx2x_update_mng(params, vars->link_status);
  5847. bnx2x_update_mng_eee(params, vars->eee_status);
  5848. /* Check remote fault */
  5849. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5850. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5851. bnx2x_check_half_open_conn(params, vars, 0);
  5852. break;
  5853. }
  5854. }
  5855. msleep(20);
  5856. return rc;
  5857. }
  5858. /* The bnx2x_link_update function should be called upon link
  5859. * interrupt.
  5860. * Link is considered up as follows:
  5861. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5862. * to be up
  5863. * - SINGLE_MEDIA - The link between the 577xx and the external
  5864. * phy (XGXS) need to up as well as the external link of the
  5865. * phy (PHY_EXT1)
  5866. * - DUAL_MEDIA - The link between the 577xx and the first
  5867. * external phy needs to be up, and at least one of the 2
  5868. * external phy link must be up.
  5869. */
  5870. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5871. {
  5872. struct bnx2x *bp = params->bp;
  5873. struct link_vars phy_vars[MAX_PHYS];
  5874. u8 port = params->port;
  5875. u8 link_10g_plus, phy_index;
  5876. u8 ext_phy_link_up = 0, cur_link_up;
  5877. int rc = 0;
  5878. u8 is_mi_int = 0;
  5879. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5880. u8 active_external_phy = INT_PHY;
  5881. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5882. vars->link_status &= ~LINK_UPDATE_MASK;
  5883. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5884. phy_index++) {
  5885. phy_vars[phy_index].flow_ctrl = 0;
  5886. phy_vars[phy_index].link_status = 0;
  5887. phy_vars[phy_index].line_speed = 0;
  5888. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5889. phy_vars[phy_index].phy_link_up = 0;
  5890. phy_vars[phy_index].link_up = 0;
  5891. phy_vars[phy_index].fault_detected = 0;
  5892. /* different consideration, since vars holds inner state */
  5893. phy_vars[phy_index].eee_status = vars->eee_status;
  5894. }
  5895. if (USES_WARPCORE(bp))
  5896. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5897. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5898. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5899. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5900. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5901. port*0x18) > 0);
  5902. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5903. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5904. is_mi_int,
  5905. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5906. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5907. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5908. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5909. /* Disable emac */
  5910. if (!CHIP_IS_E3(bp))
  5911. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5912. /* Step 1:
  5913. * Check external link change only for external phys, and apply
  5914. * priority selection between them in case the link on both phys
  5915. * is up. Note that instead of the common vars, a temporary
  5916. * vars argument is used since each phy may have different link/
  5917. * speed/duplex result
  5918. */
  5919. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5920. phy_index++) {
  5921. struct bnx2x_phy *phy = &params->phy[phy_index];
  5922. if (!phy->read_status)
  5923. continue;
  5924. /* Read link status and params of this ext phy */
  5925. cur_link_up = phy->read_status(phy, params,
  5926. &phy_vars[phy_index]);
  5927. if (cur_link_up) {
  5928. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5929. phy_index);
  5930. } else {
  5931. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5932. phy_index);
  5933. continue;
  5934. }
  5935. if (!ext_phy_link_up) {
  5936. ext_phy_link_up = 1;
  5937. active_external_phy = phy_index;
  5938. } else {
  5939. switch (bnx2x_phy_selection(params)) {
  5940. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5941. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5942. /* In this option, the first PHY makes sure to pass the
  5943. * traffic through itself only.
  5944. * Its not clear how to reset the link on the second phy
  5945. */
  5946. active_external_phy = EXT_PHY1;
  5947. break;
  5948. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5949. /* In this option, the first PHY makes sure to pass the
  5950. * traffic through the second PHY.
  5951. */
  5952. active_external_phy = EXT_PHY2;
  5953. break;
  5954. default:
  5955. /* Link indication on both PHYs with the following cases
  5956. * is invalid:
  5957. * - FIRST_PHY means that second phy wasn't initialized,
  5958. * hence its link is expected to be down
  5959. * - SECOND_PHY means that first phy should not be able
  5960. * to link up by itself (using configuration)
  5961. * - DEFAULT should be overriden during initialiazation
  5962. */
  5963. DP(NETIF_MSG_LINK, "Invalid link indication"
  5964. "mpc=0x%x. DISABLING LINK !!!\n",
  5965. params->multi_phy_config);
  5966. ext_phy_link_up = 0;
  5967. break;
  5968. }
  5969. }
  5970. }
  5971. prev_line_speed = vars->line_speed;
  5972. /* Step 2:
  5973. * Read the status of the internal phy. In case of
  5974. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5975. * otherwise this is the link between the 577xx and the first
  5976. * external phy
  5977. */
  5978. if (params->phy[INT_PHY].read_status)
  5979. params->phy[INT_PHY].read_status(
  5980. &params->phy[INT_PHY],
  5981. params, vars);
  5982. /* The INT_PHY flow control reside in the vars. This include the
  5983. * case where the speed or flow control are not set to AUTO.
  5984. * Otherwise, the active external phy flow control result is set
  5985. * to the vars. The ext_phy_line_speed is needed to check if the
  5986. * speed is different between the internal phy and external phy.
  5987. * This case may be result of intermediate link speed change.
  5988. */
  5989. if (active_external_phy > INT_PHY) {
  5990. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5991. /* Link speed is taken from the XGXS. AN and FC result from
  5992. * the external phy.
  5993. */
  5994. vars->link_status |= phy_vars[active_external_phy].link_status;
  5995. /* if active_external_phy is first PHY and link is up - disable
  5996. * disable TX on second external PHY
  5997. */
  5998. if (active_external_phy == EXT_PHY1) {
  5999. if (params->phy[EXT_PHY2].phy_specific_func) {
  6000. DP(NETIF_MSG_LINK,
  6001. "Disabling TX on EXT_PHY2\n");
  6002. params->phy[EXT_PHY2].phy_specific_func(
  6003. &params->phy[EXT_PHY2],
  6004. params, DISABLE_TX);
  6005. }
  6006. }
  6007. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6008. vars->duplex = phy_vars[active_external_phy].duplex;
  6009. if (params->phy[active_external_phy].supported &
  6010. SUPPORTED_FIBRE)
  6011. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6012. else
  6013. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6014. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6015. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6016. active_external_phy);
  6017. }
  6018. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6019. phy_index++) {
  6020. if (params->phy[phy_index].flags &
  6021. FLAGS_REARM_LATCH_SIGNAL) {
  6022. bnx2x_rearm_latch_signal(bp, port,
  6023. phy_index ==
  6024. active_external_phy);
  6025. break;
  6026. }
  6027. }
  6028. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6029. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6030. vars->link_status, ext_phy_line_speed);
  6031. /* Upon link speed change set the NIG into drain mode. Comes to
  6032. * deals with possible FIFO glitch due to clk change when speed
  6033. * is decreased without link down indicator
  6034. */
  6035. if (vars->phy_link_up) {
  6036. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6037. (ext_phy_line_speed != vars->line_speed)) {
  6038. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6039. " different than the external"
  6040. " link speed %d\n", vars->line_speed,
  6041. ext_phy_line_speed);
  6042. vars->phy_link_up = 0;
  6043. } else if (prev_line_speed != vars->line_speed) {
  6044. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6045. 0);
  6046. usleep_range(1000, 2000);
  6047. }
  6048. }
  6049. /* Anything 10 and over uses the bmac */
  6050. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6051. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6052. /* In case external phy link is up, and internal link is down
  6053. * (not initialized yet probably after link initialization, it
  6054. * needs to be initialized.
  6055. * Note that after link down-up as result of cable plug, the xgxs
  6056. * link would probably become up again without the need
  6057. * initialize it
  6058. */
  6059. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6060. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6061. " init_preceding = %d\n", ext_phy_link_up,
  6062. vars->phy_link_up,
  6063. params->phy[EXT_PHY1].flags &
  6064. FLAGS_INIT_XGXS_FIRST);
  6065. if (!(params->phy[EXT_PHY1].flags &
  6066. FLAGS_INIT_XGXS_FIRST)
  6067. && ext_phy_link_up && !vars->phy_link_up) {
  6068. vars->line_speed = ext_phy_line_speed;
  6069. if (vars->line_speed < SPEED_1000)
  6070. vars->phy_flags |= PHY_SGMII_FLAG;
  6071. else
  6072. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6073. if (params->phy[INT_PHY].config_init)
  6074. params->phy[INT_PHY].config_init(
  6075. &params->phy[INT_PHY], params,
  6076. vars);
  6077. }
  6078. }
  6079. /* Link is up only if both local phy and external phy (in case of
  6080. * non-direct board) are up and no fault detected on active PHY.
  6081. */
  6082. vars->link_up = (vars->phy_link_up &&
  6083. (ext_phy_link_up ||
  6084. SINGLE_MEDIA_DIRECT(params)) &&
  6085. (phy_vars[active_external_phy].fault_detected == 0));
  6086. /* Update the PFC configuration in case it was changed */
  6087. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6088. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6089. else
  6090. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6091. if (vars->link_up)
  6092. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6093. else
  6094. rc = bnx2x_update_link_down(params, vars);
  6095. /* Update MCP link status was changed */
  6096. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6097. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6098. return rc;
  6099. }
  6100. /*****************************************************************************/
  6101. /* External Phy section */
  6102. /*****************************************************************************/
  6103. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6104. {
  6105. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6106. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6107. usleep_range(1000, 2000);
  6108. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6109. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6110. }
  6111. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6112. u32 spirom_ver, u32 ver_addr)
  6113. {
  6114. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6115. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6116. if (ver_addr)
  6117. REG_WR(bp, ver_addr, spirom_ver);
  6118. }
  6119. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6120. struct bnx2x_phy *phy,
  6121. u8 port)
  6122. {
  6123. u16 fw_ver1, fw_ver2;
  6124. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6125. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6126. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6127. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6128. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6129. phy->ver_addr);
  6130. }
  6131. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6132. struct bnx2x_phy *phy,
  6133. struct link_vars *vars)
  6134. {
  6135. u16 val;
  6136. bnx2x_cl45_read(bp, phy,
  6137. MDIO_AN_DEVAD,
  6138. MDIO_AN_REG_STATUS, &val);
  6139. bnx2x_cl45_read(bp, phy,
  6140. MDIO_AN_DEVAD,
  6141. MDIO_AN_REG_STATUS, &val);
  6142. if (val & (1<<5))
  6143. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6144. if ((val & (1<<0)) == 0)
  6145. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6146. }
  6147. /******************************************************************/
  6148. /* common BCM8073/BCM8727 PHY SECTION */
  6149. /******************************************************************/
  6150. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6151. struct link_params *params,
  6152. struct link_vars *vars)
  6153. {
  6154. struct bnx2x *bp = params->bp;
  6155. if (phy->req_line_speed == SPEED_10 ||
  6156. phy->req_line_speed == SPEED_100) {
  6157. vars->flow_ctrl = phy->req_flow_ctrl;
  6158. return;
  6159. }
  6160. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6161. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6162. u16 pause_result;
  6163. u16 ld_pause; /* local */
  6164. u16 lp_pause; /* link partner */
  6165. bnx2x_cl45_read(bp, phy,
  6166. MDIO_AN_DEVAD,
  6167. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6168. bnx2x_cl45_read(bp, phy,
  6169. MDIO_AN_DEVAD,
  6170. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6171. pause_result = (ld_pause &
  6172. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6173. pause_result |= (lp_pause &
  6174. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6175. bnx2x_pause_resolve(vars, pause_result);
  6176. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6177. pause_result);
  6178. }
  6179. }
  6180. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6181. struct bnx2x_phy *phy,
  6182. u8 port)
  6183. {
  6184. u32 count = 0;
  6185. u16 fw_ver1, fw_msgout;
  6186. int rc = 0;
  6187. /* Boot port from external ROM */
  6188. /* EDC grst */
  6189. bnx2x_cl45_write(bp, phy,
  6190. MDIO_PMA_DEVAD,
  6191. MDIO_PMA_REG_GEN_CTRL,
  6192. 0x0001);
  6193. /* Ucode reboot and rst */
  6194. bnx2x_cl45_write(bp, phy,
  6195. MDIO_PMA_DEVAD,
  6196. MDIO_PMA_REG_GEN_CTRL,
  6197. 0x008c);
  6198. bnx2x_cl45_write(bp, phy,
  6199. MDIO_PMA_DEVAD,
  6200. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6201. /* Reset internal microprocessor */
  6202. bnx2x_cl45_write(bp, phy,
  6203. MDIO_PMA_DEVAD,
  6204. MDIO_PMA_REG_GEN_CTRL,
  6205. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6206. /* Release srst bit */
  6207. bnx2x_cl45_write(bp, phy,
  6208. MDIO_PMA_DEVAD,
  6209. MDIO_PMA_REG_GEN_CTRL,
  6210. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6211. /* Delay 100ms per the PHY specifications */
  6212. msleep(100);
  6213. /* 8073 sometimes taking longer to download */
  6214. do {
  6215. count++;
  6216. if (count > 300) {
  6217. DP(NETIF_MSG_LINK,
  6218. "bnx2x_8073_8727_external_rom_boot port %x:"
  6219. "Download failed. fw version = 0x%x\n",
  6220. port, fw_ver1);
  6221. rc = -EINVAL;
  6222. break;
  6223. }
  6224. bnx2x_cl45_read(bp, phy,
  6225. MDIO_PMA_DEVAD,
  6226. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6227. bnx2x_cl45_read(bp, phy,
  6228. MDIO_PMA_DEVAD,
  6229. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6230. usleep_range(1000, 2000);
  6231. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6232. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6233. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6234. /* Clear ser_boot_ctl bit */
  6235. bnx2x_cl45_write(bp, phy,
  6236. MDIO_PMA_DEVAD,
  6237. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6238. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6239. DP(NETIF_MSG_LINK,
  6240. "bnx2x_8073_8727_external_rom_boot port %x:"
  6241. "Download complete. fw version = 0x%x\n",
  6242. port, fw_ver1);
  6243. return rc;
  6244. }
  6245. /******************************************************************/
  6246. /* BCM8073 PHY SECTION */
  6247. /******************************************************************/
  6248. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6249. {
  6250. /* This is only required for 8073A1, version 102 only */
  6251. u16 val;
  6252. /* Read 8073 HW revision*/
  6253. bnx2x_cl45_read(bp, phy,
  6254. MDIO_PMA_DEVAD,
  6255. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6256. if (val != 1) {
  6257. /* No need to workaround in 8073 A1 */
  6258. return 0;
  6259. }
  6260. bnx2x_cl45_read(bp, phy,
  6261. MDIO_PMA_DEVAD,
  6262. MDIO_PMA_REG_ROM_VER2, &val);
  6263. /* SNR should be applied only for version 0x102 */
  6264. if (val != 0x102)
  6265. return 0;
  6266. return 1;
  6267. }
  6268. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6269. {
  6270. u16 val, cnt, cnt1 ;
  6271. bnx2x_cl45_read(bp, phy,
  6272. MDIO_PMA_DEVAD,
  6273. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6274. if (val > 0) {
  6275. /* No need to workaround in 8073 A1 */
  6276. return 0;
  6277. }
  6278. /* XAUI workaround in 8073 A0: */
  6279. /* After loading the boot ROM and restarting Autoneg, poll
  6280. * Dev1, Reg $C820:
  6281. */
  6282. for (cnt = 0; cnt < 1000; cnt++) {
  6283. bnx2x_cl45_read(bp, phy,
  6284. MDIO_PMA_DEVAD,
  6285. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6286. &val);
  6287. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6288. * system initialization (XAUI work-around not required, as
  6289. * these bits indicate 2.5G or 1G link up).
  6290. */
  6291. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6292. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6293. return 0;
  6294. } else if (!(val & (1<<15))) {
  6295. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6296. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6297. * MSB (bit15) goes to 1 (indicating that the XAUI
  6298. * workaround has completed), then continue on with
  6299. * system initialization.
  6300. */
  6301. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6302. bnx2x_cl45_read(bp, phy,
  6303. MDIO_PMA_DEVAD,
  6304. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6305. if (val & (1<<15)) {
  6306. DP(NETIF_MSG_LINK,
  6307. "XAUI workaround has completed\n");
  6308. return 0;
  6309. }
  6310. usleep_range(3000, 6000);
  6311. }
  6312. break;
  6313. }
  6314. usleep_range(3000, 6000);
  6315. }
  6316. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6317. return -EINVAL;
  6318. }
  6319. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6320. {
  6321. /* Force KR or KX */
  6322. bnx2x_cl45_write(bp, phy,
  6323. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6324. bnx2x_cl45_write(bp, phy,
  6325. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6326. bnx2x_cl45_write(bp, phy,
  6327. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6328. bnx2x_cl45_write(bp, phy,
  6329. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6330. }
  6331. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6332. struct bnx2x_phy *phy,
  6333. struct link_vars *vars)
  6334. {
  6335. u16 cl37_val;
  6336. struct bnx2x *bp = params->bp;
  6337. bnx2x_cl45_read(bp, phy,
  6338. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6339. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6340. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6341. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6342. if ((vars->ieee_fc &
  6343. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6344. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6345. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6346. }
  6347. if ((vars->ieee_fc &
  6348. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6349. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6350. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6351. }
  6352. if ((vars->ieee_fc &
  6353. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6354. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6355. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6356. }
  6357. DP(NETIF_MSG_LINK,
  6358. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6359. bnx2x_cl45_write(bp, phy,
  6360. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6361. msleep(500);
  6362. }
  6363. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6364. struct link_params *params,
  6365. u32 action)
  6366. {
  6367. struct bnx2x *bp = params->bp;
  6368. switch (action) {
  6369. case PHY_INIT:
  6370. /* Enable LASI */
  6371. bnx2x_cl45_write(bp, phy,
  6372. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6373. bnx2x_cl45_write(bp, phy,
  6374. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6375. break;
  6376. }
  6377. }
  6378. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6379. struct link_params *params,
  6380. struct link_vars *vars)
  6381. {
  6382. struct bnx2x *bp = params->bp;
  6383. u16 val = 0, tmp1;
  6384. u8 gpio_port;
  6385. DP(NETIF_MSG_LINK, "Init 8073\n");
  6386. if (CHIP_IS_E2(bp))
  6387. gpio_port = BP_PATH(bp);
  6388. else
  6389. gpio_port = params->port;
  6390. /* Restore normal power mode*/
  6391. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6392. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6393. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6394. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6395. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6396. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6397. bnx2x_cl45_read(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6399. bnx2x_cl45_read(bp, phy,
  6400. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6401. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6402. /* Swap polarity if required - Must be done only in non-1G mode */
  6403. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6404. /* Configure the 8073 to swap _P and _N of the KR lines */
  6405. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6406. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6407. bnx2x_cl45_read(bp, phy,
  6408. MDIO_PMA_DEVAD,
  6409. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6410. bnx2x_cl45_write(bp, phy,
  6411. MDIO_PMA_DEVAD,
  6412. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6413. (val | (3<<9)));
  6414. }
  6415. /* Enable CL37 BAM */
  6416. if (REG_RD(bp, params->shmem_base +
  6417. offsetof(struct shmem_region, dev_info.
  6418. port_hw_config[params->port].default_cfg)) &
  6419. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6420. bnx2x_cl45_read(bp, phy,
  6421. MDIO_AN_DEVAD,
  6422. MDIO_AN_REG_8073_BAM, &val);
  6423. bnx2x_cl45_write(bp, phy,
  6424. MDIO_AN_DEVAD,
  6425. MDIO_AN_REG_8073_BAM, val | 1);
  6426. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6427. }
  6428. if (params->loopback_mode == LOOPBACK_EXT) {
  6429. bnx2x_807x_force_10G(bp, phy);
  6430. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6431. return 0;
  6432. } else {
  6433. bnx2x_cl45_write(bp, phy,
  6434. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6435. }
  6436. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6437. if (phy->req_line_speed == SPEED_10000) {
  6438. val = (1<<7);
  6439. } else if (phy->req_line_speed == SPEED_2500) {
  6440. val = (1<<5);
  6441. /* Note that 2.5G works only when used with 1G
  6442. * advertisement
  6443. */
  6444. } else
  6445. val = (1<<5);
  6446. } else {
  6447. val = 0;
  6448. if (phy->speed_cap_mask &
  6449. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6450. val |= (1<<7);
  6451. /* Note that 2.5G works only when used with 1G advertisement */
  6452. if (phy->speed_cap_mask &
  6453. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6454. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6455. val |= (1<<5);
  6456. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6457. }
  6458. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6459. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6460. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6461. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6462. (phy->req_line_speed == SPEED_2500)) {
  6463. u16 phy_ver;
  6464. /* Allow 2.5G for A1 and above */
  6465. bnx2x_cl45_read(bp, phy,
  6466. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6467. &phy_ver);
  6468. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6469. if (phy_ver > 0)
  6470. tmp1 |= 1;
  6471. else
  6472. tmp1 &= 0xfffe;
  6473. } else {
  6474. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6475. tmp1 &= 0xfffe;
  6476. }
  6477. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6478. /* Add support for CL37 (passive mode) II */
  6479. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6480. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6481. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6482. 0x20 : 0x40)));
  6483. /* Add support for CL37 (passive mode) III */
  6484. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6485. /* The SNR will improve about 2db by changing BW and FEE main
  6486. * tap. Rest commands are executed after link is up
  6487. * Change FFE main cursor to 5 in EDC register
  6488. */
  6489. if (bnx2x_8073_is_snr_needed(bp, phy))
  6490. bnx2x_cl45_write(bp, phy,
  6491. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6492. 0xFB0C);
  6493. /* Enable FEC (Forware Error Correction) Request in the AN */
  6494. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6495. tmp1 |= (1<<15);
  6496. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6497. bnx2x_ext_phy_set_pause(params, phy, vars);
  6498. /* Restart autoneg */
  6499. msleep(500);
  6500. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6501. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6502. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6503. return 0;
  6504. }
  6505. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6506. struct link_params *params,
  6507. struct link_vars *vars)
  6508. {
  6509. struct bnx2x *bp = params->bp;
  6510. u8 link_up = 0;
  6511. u16 val1, val2;
  6512. u16 link_status = 0;
  6513. u16 an1000_status = 0;
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6516. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6517. /* Clear the interrupt LASI status register */
  6518. bnx2x_cl45_read(bp, phy,
  6519. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6520. bnx2x_cl45_read(bp, phy,
  6521. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6522. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6523. /* Clear MSG-OUT */
  6524. bnx2x_cl45_read(bp, phy,
  6525. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6526. /* Check the LASI */
  6527. bnx2x_cl45_read(bp, phy,
  6528. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6529. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6530. /* Check the link status */
  6531. bnx2x_cl45_read(bp, phy,
  6532. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6533. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6534. bnx2x_cl45_read(bp, phy,
  6535. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6536. bnx2x_cl45_read(bp, phy,
  6537. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6538. link_up = ((val1 & 4) == 4);
  6539. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6540. if (link_up &&
  6541. ((phy->req_line_speed != SPEED_10000))) {
  6542. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6543. return 0;
  6544. }
  6545. bnx2x_cl45_read(bp, phy,
  6546. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6547. bnx2x_cl45_read(bp, phy,
  6548. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6549. /* Check the link status on 1.1.2 */
  6550. bnx2x_cl45_read(bp, phy,
  6551. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6554. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6555. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6556. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6557. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6558. /* The SNR will improve about 2dbby changing the BW and FEE main
  6559. * tap. The 1st write to change FFE main tap is set before
  6560. * restart AN. Change PLL Bandwidth in EDC register
  6561. */
  6562. bnx2x_cl45_write(bp, phy,
  6563. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6564. 0x26BC);
  6565. /* Change CDR Bandwidth in EDC register */
  6566. bnx2x_cl45_write(bp, phy,
  6567. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6568. 0x0333);
  6569. }
  6570. bnx2x_cl45_read(bp, phy,
  6571. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6572. &link_status);
  6573. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6574. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6575. link_up = 1;
  6576. vars->line_speed = SPEED_10000;
  6577. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6578. params->port);
  6579. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6580. link_up = 1;
  6581. vars->line_speed = SPEED_2500;
  6582. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6583. params->port);
  6584. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6585. link_up = 1;
  6586. vars->line_speed = SPEED_1000;
  6587. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6588. params->port);
  6589. } else {
  6590. link_up = 0;
  6591. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6592. params->port);
  6593. }
  6594. if (link_up) {
  6595. /* Swap polarity if required */
  6596. if (params->lane_config &
  6597. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6598. /* Configure the 8073 to swap P and N of the KR lines */
  6599. bnx2x_cl45_read(bp, phy,
  6600. MDIO_XS_DEVAD,
  6601. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6602. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6603. * when it`s in 10G mode.
  6604. */
  6605. if (vars->line_speed == SPEED_1000) {
  6606. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6607. "the 8073\n");
  6608. val1 |= (1<<3);
  6609. } else
  6610. val1 &= ~(1<<3);
  6611. bnx2x_cl45_write(bp, phy,
  6612. MDIO_XS_DEVAD,
  6613. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6614. val1);
  6615. }
  6616. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6617. bnx2x_8073_resolve_fc(phy, params, vars);
  6618. vars->duplex = DUPLEX_FULL;
  6619. }
  6620. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6621. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6622. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6623. if (val1 & (1<<5))
  6624. vars->link_status |=
  6625. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6626. if (val1 & (1<<7))
  6627. vars->link_status |=
  6628. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6629. }
  6630. return link_up;
  6631. }
  6632. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6633. struct link_params *params)
  6634. {
  6635. struct bnx2x *bp = params->bp;
  6636. u8 gpio_port;
  6637. if (CHIP_IS_E2(bp))
  6638. gpio_port = BP_PATH(bp);
  6639. else
  6640. gpio_port = params->port;
  6641. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6642. gpio_port);
  6643. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6644. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6645. gpio_port);
  6646. }
  6647. /******************************************************************/
  6648. /* BCM8705 PHY SECTION */
  6649. /******************************************************************/
  6650. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6651. struct link_params *params,
  6652. struct link_vars *vars)
  6653. {
  6654. struct bnx2x *bp = params->bp;
  6655. DP(NETIF_MSG_LINK, "init 8705\n");
  6656. /* Restore normal power mode*/
  6657. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6658. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6659. /* HW reset */
  6660. bnx2x_ext_phy_hw_reset(bp, params->port);
  6661. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6662. bnx2x_wait_reset_complete(bp, phy, params);
  6663. bnx2x_cl45_write(bp, phy,
  6664. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6665. bnx2x_cl45_write(bp, phy,
  6666. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6667. bnx2x_cl45_write(bp, phy,
  6668. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6669. bnx2x_cl45_write(bp, phy,
  6670. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6671. /* BCM8705 doesn't have microcode, hence the 0 */
  6672. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6673. return 0;
  6674. }
  6675. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6676. struct link_params *params,
  6677. struct link_vars *vars)
  6678. {
  6679. u8 link_up = 0;
  6680. u16 val1, rx_sd;
  6681. struct bnx2x *bp = params->bp;
  6682. DP(NETIF_MSG_LINK, "read status 8705\n");
  6683. bnx2x_cl45_read(bp, phy,
  6684. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6685. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6686. bnx2x_cl45_read(bp, phy,
  6687. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6688. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6689. bnx2x_cl45_read(bp, phy,
  6690. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_PMA_DEVAD, 0xc809, &val1);
  6693. bnx2x_cl45_read(bp, phy,
  6694. MDIO_PMA_DEVAD, 0xc809, &val1);
  6695. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6696. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6697. if (link_up) {
  6698. vars->line_speed = SPEED_10000;
  6699. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6700. }
  6701. return link_up;
  6702. }
  6703. /******************************************************************/
  6704. /* SFP+ module Section */
  6705. /******************************************************************/
  6706. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6707. struct bnx2x_phy *phy,
  6708. u8 pmd_dis)
  6709. {
  6710. struct bnx2x *bp = params->bp;
  6711. /* Disable transmitter only for bootcodes which can enable it afterwards
  6712. * (for D3 link)
  6713. */
  6714. if (pmd_dis) {
  6715. if (params->feature_config_flags &
  6716. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6717. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6718. else {
  6719. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6720. return;
  6721. }
  6722. } else
  6723. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6724. bnx2x_cl45_write(bp, phy,
  6725. MDIO_PMA_DEVAD,
  6726. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6727. }
  6728. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6729. {
  6730. u8 gpio_port;
  6731. u32 swap_val, swap_override;
  6732. struct bnx2x *bp = params->bp;
  6733. if (CHIP_IS_E2(bp))
  6734. gpio_port = BP_PATH(bp);
  6735. else
  6736. gpio_port = params->port;
  6737. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6738. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6739. return gpio_port ^ (swap_val && swap_override);
  6740. }
  6741. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6742. struct bnx2x_phy *phy,
  6743. u8 tx_en)
  6744. {
  6745. u16 val;
  6746. u8 port = params->port;
  6747. struct bnx2x *bp = params->bp;
  6748. u32 tx_en_mode;
  6749. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6750. tx_en_mode = REG_RD(bp, params->shmem_base +
  6751. offsetof(struct shmem_region,
  6752. dev_info.port_hw_config[port].sfp_ctrl)) &
  6753. PORT_HW_CFG_TX_LASER_MASK;
  6754. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6755. "mode = %x\n", tx_en, port, tx_en_mode);
  6756. switch (tx_en_mode) {
  6757. case PORT_HW_CFG_TX_LASER_MDIO:
  6758. bnx2x_cl45_read(bp, phy,
  6759. MDIO_PMA_DEVAD,
  6760. MDIO_PMA_REG_PHY_IDENTIFIER,
  6761. &val);
  6762. if (tx_en)
  6763. val &= ~(1<<15);
  6764. else
  6765. val |= (1<<15);
  6766. bnx2x_cl45_write(bp, phy,
  6767. MDIO_PMA_DEVAD,
  6768. MDIO_PMA_REG_PHY_IDENTIFIER,
  6769. val);
  6770. break;
  6771. case PORT_HW_CFG_TX_LASER_GPIO0:
  6772. case PORT_HW_CFG_TX_LASER_GPIO1:
  6773. case PORT_HW_CFG_TX_LASER_GPIO2:
  6774. case PORT_HW_CFG_TX_LASER_GPIO3:
  6775. {
  6776. u16 gpio_pin;
  6777. u8 gpio_port, gpio_mode;
  6778. if (tx_en)
  6779. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6780. else
  6781. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6782. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6783. gpio_port = bnx2x_get_gpio_port(params);
  6784. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6785. break;
  6786. }
  6787. default:
  6788. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6789. break;
  6790. }
  6791. }
  6792. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6793. struct bnx2x_phy *phy,
  6794. u8 tx_en)
  6795. {
  6796. struct bnx2x *bp = params->bp;
  6797. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6798. if (CHIP_IS_E3(bp))
  6799. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6800. else
  6801. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6802. }
  6803. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6804. struct link_params *params,
  6805. u16 addr, u8 byte_cnt, u8 *o_buf)
  6806. {
  6807. struct bnx2x *bp = params->bp;
  6808. u16 val = 0;
  6809. u16 i;
  6810. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6811. DP(NETIF_MSG_LINK,
  6812. "Reading from eeprom is limited to 0xf\n");
  6813. return -EINVAL;
  6814. }
  6815. /* Set the read command byte count */
  6816. bnx2x_cl45_write(bp, phy,
  6817. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6818. (byte_cnt | 0xa000));
  6819. /* Set the read command address */
  6820. bnx2x_cl45_write(bp, phy,
  6821. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6822. addr);
  6823. /* Activate read command */
  6824. bnx2x_cl45_write(bp, phy,
  6825. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6826. 0x2c0f);
  6827. /* Wait up to 500us for command complete status */
  6828. for (i = 0; i < 100; i++) {
  6829. bnx2x_cl45_read(bp, phy,
  6830. MDIO_PMA_DEVAD,
  6831. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6832. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6833. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6834. break;
  6835. udelay(5);
  6836. }
  6837. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6838. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6839. DP(NETIF_MSG_LINK,
  6840. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6841. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6842. return -EINVAL;
  6843. }
  6844. /* Read the buffer */
  6845. for (i = 0; i < byte_cnt; i++) {
  6846. bnx2x_cl45_read(bp, phy,
  6847. MDIO_PMA_DEVAD,
  6848. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6849. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6850. }
  6851. for (i = 0; i < 100; i++) {
  6852. bnx2x_cl45_read(bp, phy,
  6853. MDIO_PMA_DEVAD,
  6854. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6855. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6856. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6857. return 0;
  6858. usleep_range(1000, 2000);
  6859. }
  6860. return -EINVAL;
  6861. }
  6862. static void bnx2x_warpcore_power_module(struct link_params *params,
  6863. struct bnx2x_phy *phy,
  6864. u8 power)
  6865. {
  6866. u32 pin_cfg;
  6867. struct bnx2x *bp = params->bp;
  6868. pin_cfg = (REG_RD(bp, params->shmem_base +
  6869. offsetof(struct shmem_region,
  6870. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6871. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6872. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6873. if (pin_cfg == PIN_CFG_NA)
  6874. return;
  6875. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6876. power, pin_cfg);
  6877. /* Low ==> corresponding SFP+ module is powered
  6878. * high ==> the SFP+ module is powered down
  6879. */
  6880. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6881. }
  6882. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6883. struct link_params *params,
  6884. u16 addr, u8 byte_cnt,
  6885. u8 *o_buf, u8 is_init)
  6886. {
  6887. int rc = 0;
  6888. u8 i, j = 0, cnt = 0;
  6889. u32 data_array[4];
  6890. u16 addr32;
  6891. struct bnx2x *bp = params->bp;
  6892. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6893. DP(NETIF_MSG_LINK,
  6894. "Reading from eeprom is limited to 16 bytes\n");
  6895. return -EINVAL;
  6896. }
  6897. /* 4 byte aligned address */
  6898. addr32 = addr & (~0x3);
  6899. do {
  6900. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6901. bnx2x_warpcore_power_module(params, phy, 0);
  6902. /* Note that 100us are not enough here */
  6903. usleep_range(1000, 2000);
  6904. bnx2x_warpcore_power_module(params, phy, 1);
  6905. }
  6906. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6907. data_array);
  6908. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6909. if (rc == 0) {
  6910. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6911. o_buf[j] = *((u8 *)data_array + i);
  6912. j++;
  6913. }
  6914. }
  6915. return rc;
  6916. }
  6917. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6918. struct link_params *params,
  6919. u16 addr, u8 byte_cnt, u8 *o_buf)
  6920. {
  6921. struct bnx2x *bp = params->bp;
  6922. u16 val, i;
  6923. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6924. DP(NETIF_MSG_LINK,
  6925. "Reading from eeprom is limited to 0xf\n");
  6926. return -EINVAL;
  6927. }
  6928. /* Need to read from 1.8000 to clear it */
  6929. bnx2x_cl45_read(bp, phy,
  6930. MDIO_PMA_DEVAD,
  6931. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6932. &val);
  6933. /* Set the read command byte count */
  6934. bnx2x_cl45_write(bp, phy,
  6935. MDIO_PMA_DEVAD,
  6936. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6937. ((byte_cnt < 2) ? 2 : byte_cnt));
  6938. /* Set the read command address */
  6939. bnx2x_cl45_write(bp, phy,
  6940. MDIO_PMA_DEVAD,
  6941. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6942. addr);
  6943. /* Set the destination address */
  6944. bnx2x_cl45_write(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. 0x8004,
  6947. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6948. /* Activate read command */
  6949. bnx2x_cl45_write(bp, phy,
  6950. MDIO_PMA_DEVAD,
  6951. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6952. 0x8002);
  6953. /* Wait appropriate time for two-wire command to finish before
  6954. * polling the status register
  6955. */
  6956. usleep_range(1000, 2000);
  6957. /* Wait up to 500us for command complete status */
  6958. for (i = 0; i < 100; i++) {
  6959. bnx2x_cl45_read(bp, phy,
  6960. MDIO_PMA_DEVAD,
  6961. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6962. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6963. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6964. break;
  6965. udelay(5);
  6966. }
  6967. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6968. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6969. DP(NETIF_MSG_LINK,
  6970. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6971. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6972. return -EFAULT;
  6973. }
  6974. /* Read the buffer */
  6975. for (i = 0; i < byte_cnt; i++) {
  6976. bnx2x_cl45_read(bp, phy,
  6977. MDIO_PMA_DEVAD,
  6978. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6979. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6980. }
  6981. for (i = 0; i < 100; i++) {
  6982. bnx2x_cl45_read(bp, phy,
  6983. MDIO_PMA_DEVAD,
  6984. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6985. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6986. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6987. return 0;
  6988. usleep_range(1000, 2000);
  6989. }
  6990. return -EINVAL;
  6991. }
  6992. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6993. struct link_params *params, u16 addr,
  6994. u8 byte_cnt, u8 *o_buf)
  6995. {
  6996. int rc = -EOPNOTSUPP;
  6997. switch (phy->type) {
  6998. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6999. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7000. byte_cnt, o_buf);
  7001. break;
  7002. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7003. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7004. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7005. byte_cnt, o_buf);
  7006. break;
  7007. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7008. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7009. byte_cnt, o_buf, 0);
  7010. break;
  7011. }
  7012. return rc;
  7013. }
  7014. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7015. struct link_params *params,
  7016. u16 *edc_mode)
  7017. {
  7018. struct bnx2x *bp = params->bp;
  7019. u32 sync_offset = 0, phy_idx, media_types;
  7020. u8 val[2], check_limiting_mode = 0;
  7021. *edc_mode = EDC_MODE_LIMITING;
  7022. phy->media_type = ETH_PHY_UNSPECIFIED;
  7023. /* First check for copper cable */
  7024. if (bnx2x_read_sfp_module_eeprom(phy,
  7025. params,
  7026. SFP_EEPROM_CON_TYPE_ADDR,
  7027. 2,
  7028. (u8 *)val) != 0) {
  7029. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7030. return -EINVAL;
  7031. }
  7032. switch (val[0]) {
  7033. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7034. {
  7035. u8 copper_module_type;
  7036. phy->media_type = ETH_PHY_DA_TWINAX;
  7037. /* Check if its active cable (includes SFP+ module)
  7038. * of passive cable
  7039. */
  7040. if (bnx2x_read_sfp_module_eeprom(phy,
  7041. params,
  7042. SFP_EEPROM_FC_TX_TECH_ADDR,
  7043. 1,
  7044. &copper_module_type) != 0) {
  7045. DP(NETIF_MSG_LINK,
  7046. "Failed to read copper-cable-type"
  7047. " from SFP+ EEPROM\n");
  7048. return -EINVAL;
  7049. }
  7050. if (copper_module_type &
  7051. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7052. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7053. check_limiting_mode = 1;
  7054. } else if (copper_module_type &
  7055. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7056. DP(NETIF_MSG_LINK,
  7057. "Passive Copper cable detected\n");
  7058. *edc_mode =
  7059. EDC_MODE_PASSIVE_DAC;
  7060. } else {
  7061. DP(NETIF_MSG_LINK,
  7062. "Unknown copper-cable-type 0x%x !!!\n",
  7063. copper_module_type);
  7064. return -EINVAL;
  7065. }
  7066. break;
  7067. }
  7068. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7069. check_limiting_mode = 1;
  7070. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7071. SFP_EEPROM_COMP_CODE_LR_MASK |
  7072. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7073. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7074. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7075. phy->req_line_speed = SPEED_1000;
  7076. } else {
  7077. int idx, cfg_idx = 0;
  7078. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7079. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7080. if (params->phy[idx].type == phy->type) {
  7081. cfg_idx = LINK_CONFIG_IDX(idx);
  7082. break;
  7083. }
  7084. }
  7085. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7086. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7087. }
  7088. break;
  7089. default:
  7090. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7091. val[0]);
  7092. return -EINVAL;
  7093. }
  7094. sync_offset = params->shmem_base +
  7095. offsetof(struct shmem_region,
  7096. dev_info.port_hw_config[params->port].media_type);
  7097. media_types = REG_RD(bp, sync_offset);
  7098. /* Update media type for non-PMF sync */
  7099. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7100. if (&(params->phy[phy_idx]) == phy) {
  7101. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7102. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7103. media_types |= ((phy->media_type &
  7104. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7105. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7106. break;
  7107. }
  7108. }
  7109. REG_WR(bp, sync_offset, media_types);
  7110. if (check_limiting_mode) {
  7111. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7112. if (bnx2x_read_sfp_module_eeprom(phy,
  7113. params,
  7114. SFP_EEPROM_OPTIONS_ADDR,
  7115. SFP_EEPROM_OPTIONS_SIZE,
  7116. options) != 0) {
  7117. DP(NETIF_MSG_LINK,
  7118. "Failed to read Option field from module EEPROM\n");
  7119. return -EINVAL;
  7120. }
  7121. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7122. *edc_mode = EDC_MODE_LINEAR;
  7123. else
  7124. *edc_mode = EDC_MODE_LIMITING;
  7125. }
  7126. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7127. return 0;
  7128. }
  7129. /* This function read the relevant field from the module (SFP+), and verify it
  7130. * is compliant with this board
  7131. */
  7132. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7133. struct link_params *params)
  7134. {
  7135. struct bnx2x *bp = params->bp;
  7136. u32 val, cmd;
  7137. u32 fw_resp, fw_cmd_param;
  7138. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7139. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7140. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7141. val = REG_RD(bp, params->shmem_base +
  7142. offsetof(struct shmem_region, dev_info.
  7143. port_feature_config[params->port].config));
  7144. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7145. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7146. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7147. return 0;
  7148. }
  7149. if (params->feature_config_flags &
  7150. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7151. /* Use specific phy request */
  7152. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7153. } else if (params->feature_config_flags &
  7154. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7155. /* Use first phy request only in case of non-dual media*/
  7156. if (DUAL_MEDIA(params)) {
  7157. DP(NETIF_MSG_LINK,
  7158. "FW does not support OPT MDL verification\n");
  7159. return -EINVAL;
  7160. }
  7161. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7162. } else {
  7163. /* No support in OPT MDL detection */
  7164. DP(NETIF_MSG_LINK,
  7165. "FW does not support OPT MDL verification\n");
  7166. return -EINVAL;
  7167. }
  7168. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7169. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7170. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7171. DP(NETIF_MSG_LINK, "Approved module\n");
  7172. return 0;
  7173. }
  7174. /* Format the warning message */
  7175. if (bnx2x_read_sfp_module_eeprom(phy,
  7176. params,
  7177. SFP_EEPROM_VENDOR_NAME_ADDR,
  7178. SFP_EEPROM_VENDOR_NAME_SIZE,
  7179. (u8 *)vendor_name))
  7180. vendor_name[0] = '\0';
  7181. else
  7182. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7183. if (bnx2x_read_sfp_module_eeprom(phy,
  7184. params,
  7185. SFP_EEPROM_PART_NO_ADDR,
  7186. SFP_EEPROM_PART_NO_SIZE,
  7187. (u8 *)vendor_pn))
  7188. vendor_pn[0] = '\0';
  7189. else
  7190. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7191. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7192. " Port %d from %s part number %s\n",
  7193. params->port, vendor_name, vendor_pn);
  7194. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7195. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7196. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7197. return -EINVAL;
  7198. }
  7199. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7200. struct link_params *params)
  7201. {
  7202. u8 val;
  7203. int rc;
  7204. struct bnx2x *bp = params->bp;
  7205. u16 timeout;
  7206. /* Initialization time after hot-plug may take up to 300ms for
  7207. * some phys type ( e.g. JDSU )
  7208. */
  7209. for (timeout = 0; timeout < 60; timeout++) {
  7210. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7211. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7212. params, 1,
  7213. 1, &val, 1);
  7214. else
  7215. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7216. &val);
  7217. if (rc == 0) {
  7218. DP(NETIF_MSG_LINK,
  7219. "SFP+ module initialization took %d ms\n",
  7220. timeout * 5);
  7221. return 0;
  7222. }
  7223. usleep_range(5000, 10000);
  7224. }
  7225. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7226. return rc;
  7227. }
  7228. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7229. struct bnx2x_phy *phy,
  7230. u8 is_power_up) {
  7231. /* Make sure GPIOs are not using for LED mode */
  7232. u16 val;
  7233. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7234. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7235. * output
  7236. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7237. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7238. * where the 1st bit is the over-current(only input), and 2nd bit is
  7239. * for power( only output )
  7240. *
  7241. * In case of NOC feature is disabled and power is up, set GPIO control
  7242. * as input to enable listening of over-current indication
  7243. */
  7244. if (phy->flags & FLAGS_NOC)
  7245. return;
  7246. if (is_power_up)
  7247. val = (1<<4);
  7248. else
  7249. /* Set GPIO control to OUTPUT, and set the power bit
  7250. * to according to the is_power_up
  7251. */
  7252. val = (1<<1);
  7253. bnx2x_cl45_write(bp, phy,
  7254. MDIO_PMA_DEVAD,
  7255. MDIO_PMA_REG_8727_GPIO_CTRL,
  7256. val);
  7257. }
  7258. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7259. struct bnx2x_phy *phy,
  7260. u16 edc_mode)
  7261. {
  7262. u16 cur_limiting_mode;
  7263. bnx2x_cl45_read(bp, phy,
  7264. MDIO_PMA_DEVAD,
  7265. MDIO_PMA_REG_ROM_VER2,
  7266. &cur_limiting_mode);
  7267. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7268. cur_limiting_mode);
  7269. if (edc_mode == EDC_MODE_LIMITING) {
  7270. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7271. bnx2x_cl45_write(bp, phy,
  7272. MDIO_PMA_DEVAD,
  7273. MDIO_PMA_REG_ROM_VER2,
  7274. EDC_MODE_LIMITING);
  7275. } else { /* LRM mode ( default )*/
  7276. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7277. /* Changing to LRM mode takes quite few seconds. So do it only
  7278. * if current mode is limiting (default is LRM)
  7279. */
  7280. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7281. return 0;
  7282. bnx2x_cl45_write(bp, phy,
  7283. MDIO_PMA_DEVAD,
  7284. MDIO_PMA_REG_LRM_MODE,
  7285. 0);
  7286. bnx2x_cl45_write(bp, phy,
  7287. MDIO_PMA_DEVAD,
  7288. MDIO_PMA_REG_ROM_VER2,
  7289. 0x128);
  7290. bnx2x_cl45_write(bp, phy,
  7291. MDIO_PMA_DEVAD,
  7292. MDIO_PMA_REG_MISC_CTRL0,
  7293. 0x4008);
  7294. bnx2x_cl45_write(bp, phy,
  7295. MDIO_PMA_DEVAD,
  7296. MDIO_PMA_REG_LRM_MODE,
  7297. 0xaaaa);
  7298. }
  7299. return 0;
  7300. }
  7301. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7302. struct bnx2x_phy *phy,
  7303. u16 edc_mode)
  7304. {
  7305. u16 phy_identifier;
  7306. u16 rom_ver2_val;
  7307. bnx2x_cl45_read(bp, phy,
  7308. MDIO_PMA_DEVAD,
  7309. MDIO_PMA_REG_PHY_IDENTIFIER,
  7310. &phy_identifier);
  7311. bnx2x_cl45_write(bp, phy,
  7312. MDIO_PMA_DEVAD,
  7313. MDIO_PMA_REG_PHY_IDENTIFIER,
  7314. (phy_identifier & ~(1<<9)));
  7315. bnx2x_cl45_read(bp, phy,
  7316. MDIO_PMA_DEVAD,
  7317. MDIO_PMA_REG_ROM_VER2,
  7318. &rom_ver2_val);
  7319. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7320. bnx2x_cl45_write(bp, phy,
  7321. MDIO_PMA_DEVAD,
  7322. MDIO_PMA_REG_ROM_VER2,
  7323. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7324. bnx2x_cl45_write(bp, phy,
  7325. MDIO_PMA_DEVAD,
  7326. MDIO_PMA_REG_PHY_IDENTIFIER,
  7327. (phy_identifier | (1<<9)));
  7328. return 0;
  7329. }
  7330. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7331. struct link_params *params,
  7332. u32 action)
  7333. {
  7334. struct bnx2x *bp = params->bp;
  7335. u16 val;
  7336. switch (action) {
  7337. case DISABLE_TX:
  7338. bnx2x_sfp_set_transmitter(params, phy, 0);
  7339. break;
  7340. case ENABLE_TX:
  7341. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7342. bnx2x_sfp_set_transmitter(params, phy, 1);
  7343. break;
  7344. case PHY_INIT:
  7345. bnx2x_cl45_write(bp, phy,
  7346. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7347. (1<<2) | (1<<5));
  7348. bnx2x_cl45_write(bp, phy,
  7349. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7350. 0);
  7351. bnx2x_cl45_write(bp, phy,
  7352. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7353. /* Make MOD_ABS give interrupt on change */
  7354. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7355. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7356. &val);
  7357. val |= (1<<12);
  7358. if (phy->flags & FLAGS_NOC)
  7359. val |= (3<<5);
  7360. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7361. * status which reflect SFP+ module over-current
  7362. */
  7363. if (!(phy->flags & FLAGS_NOC))
  7364. val &= 0xff8f; /* Reset bits 4-6 */
  7365. bnx2x_cl45_write(bp, phy,
  7366. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7367. val);
  7368. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7369. * to 100Khz since some DACs(direct attached cables) do
  7370. * not work at 400Khz.
  7371. */
  7372. bnx2x_cl45_write(bp, phy,
  7373. MDIO_PMA_DEVAD,
  7374. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7375. 0xa001);
  7376. break;
  7377. default:
  7378. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7379. action);
  7380. return;
  7381. }
  7382. }
  7383. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7384. u8 gpio_mode)
  7385. {
  7386. struct bnx2x *bp = params->bp;
  7387. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7388. offsetof(struct shmem_region,
  7389. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7390. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7391. switch (fault_led_gpio) {
  7392. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7393. return;
  7394. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7395. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7396. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7397. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7398. {
  7399. u8 gpio_port = bnx2x_get_gpio_port(params);
  7400. u16 gpio_pin = fault_led_gpio -
  7401. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7402. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7403. "pin %x port %x mode %x\n",
  7404. gpio_pin, gpio_port, gpio_mode);
  7405. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7406. }
  7407. break;
  7408. default:
  7409. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7410. fault_led_gpio);
  7411. }
  7412. }
  7413. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7414. u8 gpio_mode)
  7415. {
  7416. u32 pin_cfg;
  7417. u8 port = params->port;
  7418. struct bnx2x *bp = params->bp;
  7419. pin_cfg = (REG_RD(bp, params->shmem_base +
  7420. offsetof(struct shmem_region,
  7421. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7422. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7423. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7424. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7425. gpio_mode, pin_cfg);
  7426. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7427. }
  7428. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7429. u8 gpio_mode)
  7430. {
  7431. struct bnx2x *bp = params->bp;
  7432. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7433. if (CHIP_IS_E3(bp)) {
  7434. /* Low ==> if SFP+ module is supported otherwise
  7435. * High ==> if SFP+ module is not on the approved vendor list
  7436. */
  7437. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7438. } else
  7439. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7440. }
  7441. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7442. struct link_params *params)
  7443. {
  7444. struct bnx2x *bp = params->bp;
  7445. bnx2x_warpcore_power_module(params, phy, 0);
  7446. /* Put Warpcore in low power mode */
  7447. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7448. /* Put LCPLL in low power mode */
  7449. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7450. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7451. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7452. }
  7453. static void bnx2x_power_sfp_module(struct link_params *params,
  7454. struct bnx2x_phy *phy,
  7455. u8 power)
  7456. {
  7457. struct bnx2x *bp = params->bp;
  7458. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7459. switch (phy->type) {
  7460. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7461. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7462. bnx2x_8727_power_module(params->bp, phy, power);
  7463. break;
  7464. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7465. bnx2x_warpcore_power_module(params, phy, power);
  7466. break;
  7467. default:
  7468. break;
  7469. }
  7470. }
  7471. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7472. struct bnx2x_phy *phy,
  7473. u16 edc_mode)
  7474. {
  7475. u16 val = 0;
  7476. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7477. struct bnx2x *bp = params->bp;
  7478. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7479. /* This is a global register which controls all lanes */
  7480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7481. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7482. val &= ~(0xf << (lane << 2));
  7483. switch (edc_mode) {
  7484. case EDC_MODE_LINEAR:
  7485. case EDC_MODE_LIMITING:
  7486. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7487. break;
  7488. case EDC_MODE_PASSIVE_DAC:
  7489. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7490. break;
  7491. default:
  7492. break;
  7493. }
  7494. val |= (mode << (lane << 2));
  7495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7496. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7497. /* A must read */
  7498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7499. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7500. /* Restart microcode to re-read the new mode */
  7501. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7502. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7503. }
  7504. static void bnx2x_set_limiting_mode(struct link_params *params,
  7505. struct bnx2x_phy *phy,
  7506. u16 edc_mode)
  7507. {
  7508. switch (phy->type) {
  7509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7510. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7511. break;
  7512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7513. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7514. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7515. break;
  7516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7517. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7518. break;
  7519. }
  7520. }
  7521. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7522. struct link_params *params)
  7523. {
  7524. struct bnx2x *bp = params->bp;
  7525. u16 edc_mode;
  7526. int rc = 0;
  7527. u32 val = REG_RD(bp, params->shmem_base +
  7528. offsetof(struct shmem_region, dev_info.
  7529. port_feature_config[params->port].config));
  7530. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7531. params->port);
  7532. /* Power up module */
  7533. bnx2x_power_sfp_module(params, phy, 1);
  7534. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7535. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7536. return -EINVAL;
  7537. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7538. /* Check SFP+ module compatibility */
  7539. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7540. rc = -EINVAL;
  7541. /* Turn on fault module-detected led */
  7542. bnx2x_set_sfp_module_fault_led(params,
  7543. MISC_REGISTERS_GPIO_HIGH);
  7544. /* Check if need to power down the SFP+ module */
  7545. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7546. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7547. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7548. bnx2x_power_sfp_module(params, phy, 0);
  7549. return rc;
  7550. }
  7551. } else {
  7552. /* Turn off fault module-detected led */
  7553. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7554. }
  7555. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7556. * is done automatically
  7557. */
  7558. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7559. /* Enable transmit for this module if the module is approved, or
  7560. * if unapproved modules should also enable the Tx laser
  7561. */
  7562. if (rc == 0 ||
  7563. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7564. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7565. bnx2x_sfp_set_transmitter(params, phy, 1);
  7566. else
  7567. bnx2x_sfp_set_transmitter(params, phy, 0);
  7568. return rc;
  7569. }
  7570. void bnx2x_handle_module_detect_int(struct link_params *params)
  7571. {
  7572. struct bnx2x *bp = params->bp;
  7573. struct bnx2x_phy *phy;
  7574. u32 gpio_val;
  7575. u8 gpio_num, gpio_port;
  7576. if (CHIP_IS_E3(bp))
  7577. phy = &params->phy[INT_PHY];
  7578. else
  7579. phy = &params->phy[EXT_PHY1];
  7580. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7581. params->port, &gpio_num, &gpio_port) ==
  7582. -EINVAL) {
  7583. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7584. return;
  7585. }
  7586. /* Set valid module led off */
  7587. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7588. /* Get current gpio val reflecting module plugged in / out*/
  7589. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7590. /* Call the handling function in case module is detected */
  7591. if (gpio_val == 0) {
  7592. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7593. bnx2x_set_aer_mmd(params, phy);
  7594. bnx2x_power_sfp_module(params, phy, 1);
  7595. bnx2x_set_gpio_int(bp, gpio_num,
  7596. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7597. gpio_port);
  7598. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7599. bnx2x_sfp_module_detection(phy, params);
  7600. if (CHIP_IS_E3(bp)) {
  7601. u16 rx_tx_in_reset;
  7602. /* In case WC is out of reset, reconfigure the
  7603. * link speed while taking into account 1G
  7604. * module limitation.
  7605. */
  7606. bnx2x_cl45_read(bp, phy,
  7607. MDIO_WC_DEVAD,
  7608. MDIO_WC_REG_DIGITAL5_MISC6,
  7609. &rx_tx_in_reset);
  7610. if (!rx_tx_in_reset) {
  7611. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7612. bnx2x_warpcore_config_sfi(phy, params);
  7613. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7614. }
  7615. }
  7616. } else {
  7617. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7618. }
  7619. } else {
  7620. u32 val = REG_RD(bp, params->shmem_base +
  7621. offsetof(struct shmem_region, dev_info.
  7622. port_feature_config[params->port].
  7623. config));
  7624. bnx2x_set_gpio_int(bp, gpio_num,
  7625. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7626. gpio_port);
  7627. /* Module was plugged out.
  7628. * Disable transmit for this module
  7629. */
  7630. phy->media_type = ETH_PHY_NOT_PRESENT;
  7631. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7632. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7633. CHIP_IS_E3(bp))
  7634. bnx2x_sfp_set_transmitter(params, phy, 0);
  7635. }
  7636. }
  7637. /******************************************************************/
  7638. /* Used by 8706 and 8727 */
  7639. /******************************************************************/
  7640. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7641. struct bnx2x_phy *phy,
  7642. u16 alarm_status_offset,
  7643. u16 alarm_ctrl_offset)
  7644. {
  7645. u16 alarm_status, val;
  7646. bnx2x_cl45_read(bp, phy,
  7647. MDIO_PMA_DEVAD, alarm_status_offset,
  7648. &alarm_status);
  7649. bnx2x_cl45_read(bp, phy,
  7650. MDIO_PMA_DEVAD, alarm_status_offset,
  7651. &alarm_status);
  7652. /* Mask or enable the fault event. */
  7653. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7654. if (alarm_status & (1<<0))
  7655. val &= ~(1<<0);
  7656. else
  7657. val |= (1<<0);
  7658. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7659. }
  7660. /******************************************************************/
  7661. /* common BCM8706/BCM8726 PHY SECTION */
  7662. /******************************************************************/
  7663. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7664. struct link_params *params,
  7665. struct link_vars *vars)
  7666. {
  7667. u8 link_up = 0;
  7668. u16 val1, val2, rx_sd, pcs_status;
  7669. struct bnx2x *bp = params->bp;
  7670. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7671. /* Clear RX Alarm*/
  7672. bnx2x_cl45_read(bp, phy,
  7673. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7674. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7675. MDIO_PMA_LASI_TXCTRL);
  7676. /* Clear LASI indication*/
  7677. bnx2x_cl45_read(bp, phy,
  7678. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7679. bnx2x_cl45_read(bp, phy,
  7680. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7681. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7682. bnx2x_cl45_read(bp, phy,
  7683. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7686. bnx2x_cl45_read(bp, phy,
  7687. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7688. bnx2x_cl45_read(bp, phy,
  7689. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7690. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7691. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7692. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7693. * are set, or if the autoneg bit 1 is set
  7694. */
  7695. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7696. if (link_up) {
  7697. if (val2 & (1<<1))
  7698. vars->line_speed = SPEED_1000;
  7699. else
  7700. vars->line_speed = SPEED_10000;
  7701. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7702. vars->duplex = DUPLEX_FULL;
  7703. }
  7704. /* Capture 10G link fault. Read twice to clear stale value. */
  7705. if (vars->line_speed == SPEED_10000) {
  7706. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7707. MDIO_PMA_LASI_TXSTAT, &val1);
  7708. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7709. MDIO_PMA_LASI_TXSTAT, &val1);
  7710. if (val1 & (1<<0))
  7711. vars->fault_detected = 1;
  7712. }
  7713. return link_up;
  7714. }
  7715. /******************************************************************/
  7716. /* BCM8706 PHY SECTION */
  7717. /******************************************************************/
  7718. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7719. struct link_params *params,
  7720. struct link_vars *vars)
  7721. {
  7722. u32 tx_en_mode;
  7723. u16 cnt, val, tmp1;
  7724. struct bnx2x *bp = params->bp;
  7725. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7726. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7727. /* HW reset */
  7728. bnx2x_ext_phy_hw_reset(bp, params->port);
  7729. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7730. bnx2x_wait_reset_complete(bp, phy, params);
  7731. /* Wait until fw is loaded */
  7732. for (cnt = 0; cnt < 100; cnt++) {
  7733. bnx2x_cl45_read(bp, phy,
  7734. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7735. if (val)
  7736. break;
  7737. usleep_range(10000, 20000);
  7738. }
  7739. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7740. if ((params->feature_config_flags &
  7741. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7742. u8 i;
  7743. u16 reg;
  7744. for (i = 0; i < 4; i++) {
  7745. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7746. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7747. MDIO_XS_8706_REG_BANK_RX0);
  7748. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7749. /* Clear first 3 bits of the control */
  7750. val &= ~0x7;
  7751. /* Set control bits according to configuration */
  7752. val |= (phy->rx_preemphasis[i] & 0x7);
  7753. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7754. " reg 0x%x <-- val 0x%x\n", reg, val);
  7755. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7756. }
  7757. }
  7758. /* Force speed */
  7759. if (phy->req_line_speed == SPEED_10000) {
  7760. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7761. bnx2x_cl45_write(bp, phy,
  7762. MDIO_PMA_DEVAD,
  7763. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7764. bnx2x_cl45_write(bp, phy,
  7765. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7766. 0);
  7767. /* Arm LASI for link and Tx fault. */
  7768. bnx2x_cl45_write(bp, phy,
  7769. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7770. } else {
  7771. /* Force 1Gbps using autoneg with 1G advertisement */
  7772. /* Allow CL37 through CL73 */
  7773. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7774. bnx2x_cl45_write(bp, phy,
  7775. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7776. /* Enable Full-Duplex advertisement on CL37 */
  7777. bnx2x_cl45_write(bp, phy,
  7778. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7779. /* Enable CL37 AN */
  7780. bnx2x_cl45_write(bp, phy,
  7781. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7782. /* 1G support */
  7783. bnx2x_cl45_write(bp, phy,
  7784. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7785. /* Enable clause 73 AN */
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7788. bnx2x_cl45_write(bp, phy,
  7789. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7790. 0x0400);
  7791. bnx2x_cl45_write(bp, phy,
  7792. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7793. 0x0004);
  7794. }
  7795. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7796. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7797. * power mode, if TX Laser is disabled
  7798. */
  7799. tx_en_mode = REG_RD(bp, params->shmem_base +
  7800. offsetof(struct shmem_region,
  7801. dev_info.port_hw_config[params->port].sfp_ctrl))
  7802. & PORT_HW_CFG_TX_LASER_MASK;
  7803. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7804. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7805. bnx2x_cl45_read(bp, phy,
  7806. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7807. tmp1 |= 0x1;
  7808. bnx2x_cl45_write(bp, phy,
  7809. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7810. }
  7811. return 0;
  7812. }
  7813. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7814. struct link_params *params,
  7815. struct link_vars *vars)
  7816. {
  7817. return bnx2x_8706_8726_read_status(phy, params, vars);
  7818. }
  7819. /******************************************************************/
  7820. /* BCM8726 PHY SECTION */
  7821. /******************************************************************/
  7822. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7823. struct link_params *params)
  7824. {
  7825. struct bnx2x *bp = params->bp;
  7826. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7827. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7828. }
  7829. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7830. struct link_params *params)
  7831. {
  7832. struct bnx2x *bp = params->bp;
  7833. /* Need to wait 100ms after reset */
  7834. msleep(100);
  7835. /* Micro controller re-boot */
  7836. bnx2x_cl45_write(bp, phy,
  7837. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7838. /* Set soft reset */
  7839. bnx2x_cl45_write(bp, phy,
  7840. MDIO_PMA_DEVAD,
  7841. MDIO_PMA_REG_GEN_CTRL,
  7842. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7843. bnx2x_cl45_write(bp, phy,
  7844. MDIO_PMA_DEVAD,
  7845. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_PMA_DEVAD,
  7848. MDIO_PMA_REG_GEN_CTRL,
  7849. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7850. /* Wait for 150ms for microcode load */
  7851. msleep(150);
  7852. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7853. bnx2x_cl45_write(bp, phy,
  7854. MDIO_PMA_DEVAD,
  7855. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7856. msleep(200);
  7857. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7858. }
  7859. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7860. struct link_params *params,
  7861. struct link_vars *vars)
  7862. {
  7863. struct bnx2x *bp = params->bp;
  7864. u16 val1;
  7865. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7866. if (link_up) {
  7867. bnx2x_cl45_read(bp, phy,
  7868. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7869. &val1);
  7870. if (val1 & (1<<15)) {
  7871. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7872. link_up = 0;
  7873. vars->line_speed = 0;
  7874. }
  7875. }
  7876. return link_up;
  7877. }
  7878. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7879. struct link_params *params,
  7880. struct link_vars *vars)
  7881. {
  7882. struct bnx2x *bp = params->bp;
  7883. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7884. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7885. bnx2x_wait_reset_complete(bp, phy, params);
  7886. bnx2x_8726_external_rom_boot(phy, params);
  7887. /* Need to call module detected on initialization since the module
  7888. * detection triggered by actual module insertion might occur before
  7889. * driver is loaded, and when driver is loaded, it reset all
  7890. * registers, including the transmitter
  7891. */
  7892. bnx2x_sfp_module_detection(phy, params);
  7893. if (phy->req_line_speed == SPEED_1000) {
  7894. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7895. bnx2x_cl45_write(bp, phy,
  7896. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7897. bnx2x_cl45_write(bp, phy,
  7898. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7899. bnx2x_cl45_write(bp, phy,
  7900. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7901. bnx2x_cl45_write(bp, phy,
  7902. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7903. 0x400);
  7904. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7905. (phy->speed_cap_mask &
  7906. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7907. ((phy->speed_cap_mask &
  7908. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7909. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7910. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7911. /* Set Flow control */
  7912. bnx2x_ext_phy_set_pause(params, phy, vars);
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7917. bnx2x_cl45_write(bp, phy,
  7918. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7919. bnx2x_cl45_write(bp, phy,
  7920. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7921. bnx2x_cl45_write(bp, phy,
  7922. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7923. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7924. * change
  7925. */
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7930. 0x400);
  7931. } else { /* Default 10G. Set only LASI control */
  7932. bnx2x_cl45_write(bp, phy,
  7933. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7934. }
  7935. /* Set TX PreEmphasis if needed */
  7936. if ((params->feature_config_flags &
  7937. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7938. DP(NETIF_MSG_LINK,
  7939. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7940. phy->tx_preemphasis[0],
  7941. phy->tx_preemphasis[1]);
  7942. bnx2x_cl45_write(bp, phy,
  7943. MDIO_PMA_DEVAD,
  7944. MDIO_PMA_REG_8726_TX_CTRL1,
  7945. phy->tx_preemphasis[0]);
  7946. bnx2x_cl45_write(bp, phy,
  7947. MDIO_PMA_DEVAD,
  7948. MDIO_PMA_REG_8726_TX_CTRL2,
  7949. phy->tx_preemphasis[1]);
  7950. }
  7951. return 0;
  7952. }
  7953. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7954. struct link_params *params)
  7955. {
  7956. struct bnx2x *bp = params->bp;
  7957. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7958. /* Set serial boot control for external load */
  7959. bnx2x_cl45_write(bp, phy,
  7960. MDIO_PMA_DEVAD,
  7961. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7962. }
  7963. /******************************************************************/
  7964. /* BCM8727 PHY SECTION */
  7965. /******************************************************************/
  7966. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7967. struct link_params *params, u8 mode)
  7968. {
  7969. struct bnx2x *bp = params->bp;
  7970. u16 led_mode_bitmask = 0;
  7971. u16 gpio_pins_bitmask = 0;
  7972. u16 val;
  7973. /* Only NOC flavor requires to set the LED specifically */
  7974. if (!(phy->flags & FLAGS_NOC))
  7975. return;
  7976. switch (mode) {
  7977. case LED_MODE_FRONT_PANEL_OFF:
  7978. case LED_MODE_OFF:
  7979. led_mode_bitmask = 0;
  7980. gpio_pins_bitmask = 0x03;
  7981. break;
  7982. case LED_MODE_ON:
  7983. led_mode_bitmask = 0;
  7984. gpio_pins_bitmask = 0x02;
  7985. break;
  7986. case LED_MODE_OPER:
  7987. led_mode_bitmask = 0x60;
  7988. gpio_pins_bitmask = 0x11;
  7989. break;
  7990. }
  7991. bnx2x_cl45_read(bp, phy,
  7992. MDIO_PMA_DEVAD,
  7993. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7994. &val);
  7995. val &= 0xff8f;
  7996. val |= led_mode_bitmask;
  7997. bnx2x_cl45_write(bp, phy,
  7998. MDIO_PMA_DEVAD,
  7999. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8000. val);
  8001. bnx2x_cl45_read(bp, phy,
  8002. MDIO_PMA_DEVAD,
  8003. MDIO_PMA_REG_8727_GPIO_CTRL,
  8004. &val);
  8005. val &= 0xffe0;
  8006. val |= gpio_pins_bitmask;
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_PMA_DEVAD,
  8009. MDIO_PMA_REG_8727_GPIO_CTRL,
  8010. val);
  8011. }
  8012. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8013. struct link_params *params) {
  8014. u32 swap_val, swap_override;
  8015. u8 port;
  8016. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8017. * to cancel the swap done in set_gpio()
  8018. */
  8019. struct bnx2x *bp = params->bp;
  8020. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8021. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8022. port = (swap_val && swap_override) ^ 1;
  8023. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8024. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8025. }
  8026. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8027. struct link_params *params)
  8028. {
  8029. struct bnx2x *bp = params->bp;
  8030. u16 tmp1, val;
  8031. /* Set option 1G speed */
  8032. if ((phy->req_line_speed == SPEED_1000) ||
  8033. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8034. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8035. bnx2x_cl45_write(bp, phy,
  8036. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8037. bnx2x_cl45_write(bp, phy,
  8038. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8039. bnx2x_cl45_read(bp, phy,
  8040. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8041. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8042. /* Power down the XAUI until link is up in case of dual-media
  8043. * and 1G
  8044. */
  8045. if (DUAL_MEDIA(params)) {
  8046. bnx2x_cl45_read(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_8727_PCS_GP, &val);
  8049. val |= (3<<10);
  8050. bnx2x_cl45_write(bp, phy,
  8051. MDIO_PMA_DEVAD,
  8052. MDIO_PMA_REG_8727_PCS_GP, val);
  8053. }
  8054. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8055. ((phy->speed_cap_mask &
  8056. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8057. ((phy->speed_cap_mask &
  8058. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8059. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8060. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8061. bnx2x_cl45_write(bp, phy,
  8062. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8065. } else {
  8066. /* Since the 8727 has only single reset pin, need to set the 10G
  8067. * registers although it is default
  8068. */
  8069. bnx2x_cl45_write(bp, phy,
  8070. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8071. 0x0020);
  8072. bnx2x_cl45_write(bp, phy,
  8073. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8074. bnx2x_cl45_write(bp, phy,
  8075. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8076. bnx2x_cl45_write(bp, phy,
  8077. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8078. 0x0008);
  8079. }
  8080. }
  8081. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8082. struct link_params *params,
  8083. struct link_vars *vars)
  8084. {
  8085. u32 tx_en_mode;
  8086. u16 tmp1, mod_abs, tmp2;
  8087. struct bnx2x *bp = params->bp;
  8088. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8089. bnx2x_wait_reset_complete(bp, phy, params);
  8090. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8091. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8092. /* Initially configure MOD_ABS to interrupt when module is
  8093. * presence( bit 8)
  8094. */
  8095. bnx2x_cl45_read(bp, phy,
  8096. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8097. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8098. * When the EDC is off it locks onto a reference clock and avoids
  8099. * becoming 'lost'
  8100. */
  8101. mod_abs &= ~(1<<8);
  8102. if (!(phy->flags & FLAGS_NOC))
  8103. mod_abs &= ~(1<<9);
  8104. bnx2x_cl45_write(bp, phy,
  8105. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8106. /* Enable/Disable PHY transmitter output */
  8107. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8108. bnx2x_8727_power_module(bp, phy, 1);
  8109. bnx2x_cl45_read(bp, phy,
  8110. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8111. bnx2x_cl45_read(bp, phy,
  8112. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8113. bnx2x_8727_config_speed(phy, params);
  8114. /* Set TX PreEmphasis if needed */
  8115. if ((params->feature_config_flags &
  8116. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8117. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8118. phy->tx_preemphasis[0],
  8119. phy->tx_preemphasis[1]);
  8120. bnx2x_cl45_write(bp, phy,
  8121. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8122. phy->tx_preemphasis[0]);
  8123. bnx2x_cl45_write(bp, phy,
  8124. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8125. phy->tx_preemphasis[1]);
  8126. }
  8127. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8128. * power mode, if TX Laser is disabled
  8129. */
  8130. tx_en_mode = REG_RD(bp, params->shmem_base +
  8131. offsetof(struct shmem_region,
  8132. dev_info.port_hw_config[params->port].sfp_ctrl))
  8133. & PORT_HW_CFG_TX_LASER_MASK;
  8134. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8135. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8138. tmp2 |= 0x1000;
  8139. tmp2 &= 0xFFEF;
  8140. bnx2x_cl45_write(bp, phy,
  8141. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8142. bnx2x_cl45_read(bp, phy,
  8143. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8144. &tmp2);
  8145. bnx2x_cl45_write(bp, phy,
  8146. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8147. (tmp2 & 0x7fff));
  8148. }
  8149. return 0;
  8150. }
  8151. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8152. struct link_params *params)
  8153. {
  8154. struct bnx2x *bp = params->bp;
  8155. u16 mod_abs, rx_alarm_status;
  8156. u32 val = REG_RD(bp, params->shmem_base +
  8157. offsetof(struct shmem_region, dev_info.
  8158. port_feature_config[params->port].
  8159. config));
  8160. bnx2x_cl45_read(bp, phy,
  8161. MDIO_PMA_DEVAD,
  8162. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8163. if (mod_abs & (1<<8)) {
  8164. /* Module is absent */
  8165. DP(NETIF_MSG_LINK,
  8166. "MOD_ABS indication show module is absent\n");
  8167. phy->media_type = ETH_PHY_NOT_PRESENT;
  8168. /* 1. Set mod_abs to detect next module
  8169. * presence event
  8170. * 2. Set EDC off by setting OPTXLOS signal input to low
  8171. * (bit 9).
  8172. * When the EDC is off it locks onto a reference clock and
  8173. * avoids becoming 'lost'.
  8174. */
  8175. mod_abs &= ~(1<<8);
  8176. if (!(phy->flags & FLAGS_NOC))
  8177. mod_abs &= ~(1<<9);
  8178. bnx2x_cl45_write(bp, phy,
  8179. MDIO_PMA_DEVAD,
  8180. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8181. /* Clear RX alarm since it stays up as long as
  8182. * the mod_abs wasn't changed
  8183. */
  8184. bnx2x_cl45_read(bp, phy,
  8185. MDIO_PMA_DEVAD,
  8186. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8187. } else {
  8188. /* Module is present */
  8189. DP(NETIF_MSG_LINK,
  8190. "MOD_ABS indication show module is present\n");
  8191. /* First disable transmitter, and if the module is ok, the
  8192. * module_detection will enable it
  8193. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8194. * 2. Restore the default polarity of the OPRXLOS signal and
  8195. * this signal will then correctly indicate the presence or
  8196. * absence of the Rx signal. (bit 9)
  8197. */
  8198. mod_abs |= (1<<8);
  8199. if (!(phy->flags & FLAGS_NOC))
  8200. mod_abs |= (1<<9);
  8201. bnx2x_cl45_write(bp, phy,
  8202. MDIO_PMA_DEVAD,
  8203. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8204. /* Clear RX alarm since it stays up as long as the mod_abs
  8205. * wasn't changed. This is need to be done before calling the
  8206. * module detection, otherwise it will clear* the link update
  8207. * alarm
  8208. */
  8209. bnx2x_cl45_read(bp, phy,
  8210. MDIO_PMA_DEVAD,
  8211. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8212. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8213. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8214. bnx2x_sfp_set_transmitter(params, phy, 0);
  8215. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8216. bnx2x_sfp_module_detection(phy, params);
  8217. else
  8218. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8219. /* Reconfigure link speed based on module type limitations */
  8220. bnx2x_8727_config_speed(phy, params);
  8221. }
  8222. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8223. rx_alarm_status);
  8224. /* No need to check link status in case of module plugged in/out */
  8225. }
  8226. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8227. struct link_params *params,
  8228. struct link_vars *vars)
  8229. {
  8230. struct bnx2x *bp = params->bp;
  8231. u8 link_up = 0, oc_port = params->port;
  8232. u16 link_status = 0;
  8233. u16 rx_alarm_status, lasi_ctrl, val1;
  8234. /* If PHY is not initialized, do not check link status */
  8235. bnx2x_cl45_read(bp, phy,
  8236. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8237. &lasi_ctrl);
  8238. if (!lasi_ctrl)
  8239. return 0;
  8240. /* Check the LASI on Rx */
  8241. bnx2x_cl45_read(bp, phy,
  8242. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8243. &rx_alarm_status);
  8244. vars->line_speed = 0;
  8245. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8246. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8247. MDIO_PMA_LASI_TXCTRL);
  8248. bnx2x_cl45_read(bp, phy,
  8249. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8250. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8251. /* Clear MSG-OUT */
  8252. bnx2x_cl45_read(bp, phy,
  8253. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8254. /* If a module is present and there is need to check
  8255. * for over current
  8256. */
  8257. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8258. /* Check over-current using 8727 GPIO0 input*/
  8259. bnx2x_cl45_read(bp, phy,
  8260. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8261. &val1);
  8262. if ((val1 & (1<<8)) == 0) {
  8263. if (!CHIP_IS_E1x(bp))
  8264. oc_port = BP_PATH(bp) + (params->port << 1);
  8265. DP(NETIF_MSG_LINK,
  8266. "8727 Power fault has been detected on port %d\n",
  8267. oc_port);
  8268. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8269. "been detected and the power to "
  8270. "that SFP+ module has been removed "
  8271. "to prevent failure of the card. "
  8272. "Please remove the SFP+ module and "
  8273. "restart the system to clear this "
  8274. "error.\n",
  8275. oc_port);
  8276. /* Disable all RX_ALARMs except for mod_abs */
  8277. bnx2x_cl45_write(bp, phy,
  8278. MDIO_PMA_DEVAD,
  8279. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8280. bnx2x_cl45_read(bp, phy,
  8281. MDIO_PMA_DEVAD,
  8282. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8283. /* Wait for module_absent_event */
  8284. val1 |= (1<<8);
  8285. bnx2x_cl45_write(bp, phy,
  8286. MDIO_PMA_DEVAD,
  8287. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8288. /* Clear RX alarm */
  8289. bnx2x_cl45_read(bp, phy,
  8290. MDIO_PMA_DEVAD,
  8291. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8292. return 0;
  8293. }
  8294. } /* Over current check */
  8295. /* When module absent bit is set, check module */
  8296. if (rx_alarm_status & (1<<5)) {
  8297. bnx2x_8727_handle_mod_abs(phy, params);
  8298. /* Enable all mod_abs and link detection bits */
  8299. bnx2x_cl45_write(bp, phy,
  8300. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8301. ((1<<5) | (1<<2)));
  8302. }
  8303. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8304. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8305. bnx2x_sfp_set_transmitter(params, phy, 1);
  8306. } else {
  8307. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8308. return 0;
  8309. }
  8310. bnx2x_cl45_read(bp, phy,
  8311. MDIO_PMA_DEVAD,
  8312. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8313. /* Bits 0..2 --> speed detected,
  8314. * Bits 13..15--> link is down
  8315. */
  8316. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8317. link_up = 1;
  8318. vars->line_speed = SPEED_10000;
  8319. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8320. params->port);
  8321. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8322. link_up = 1;
  8323. vars->line_speed = SPEED_1000;
  8324. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8325. params->port);
  8326. } else {
  8327. link_up = 0;
  8328. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8329. params->port);
  8330. }
  8331. /* Capture 10G link fault. */
  8332. if (vars->line_speed == SPEED_10000) {
  8333. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8334. MDIO_PMA_LASI_TXSTAT, &val1);
  8335. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8336. MDIO_PMA_LASI_TXSTAT, &val1);
  8337. if (val1 & (1<<0)) {
  8338. vars->fault_detected = 1;
  8339. }
  8340. }
  8341. if (link_up) {
  8342. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8343. vars->duplex = DUPLEX_FULL;
  8344. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8345. }
  8346. if ((DUAL_MEDIA(params)) &&
  8347. (phy->req_line_speed == SPEED_1000)) {
  8348. bnx2x_cl45_read(bp, phy,
  8349. MDIO_PMA_DEVAD,
  8350. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8351. /* In case of dual-media board and 1G, power up the XAUI side,
  8352. * otherwise power it down. For 10G it is done automatically
  8353. */
  8354. if (link_up)
  8355. val1 &= ~(3<<10);
  8356. else
  8357. val1 |= (3<<10);
  8358. bnx2x_cl45_write(bp, phy,
  8359. MDIO_PMA_DEVAD,
  8360. MDIO_PMA_REG_8727_PCS_GP, val1);
  8361. }
  8362. return link_up;
  8363. }
  8364. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8365. struct link_params *params)
  8366. {
  8367. struct bnx2x *bp = params->bp;
  8368. /* Enable/Disable PHY transmitter output */
  8369. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8370. /* Disable Transmitter */
  8371. bnx2x_sfp_set_transmitter(params, phy, 0);
  8372. /* Clear LASI */
  8373. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8374. }
  8375. /******************************************************************/
  8376. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8377. /******************************************************************/
  8378. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8379. struct bnx2x *bp,
  8380. u8 port)
  8381. {
  8382. u16 val, fw_ver1, fw_ver2, cnt;
  8383. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8384. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8385. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8386. phy->ver_addr);
  8387. } else {
  8388. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8389. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8390. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8391. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8392. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8393. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8394. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8395. for (cnt = 0; cnt < 100; cnt++) {
  8396. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8397. if (val & 1)
  8398. break;
  8399. udelay(5);
  8400. }
  8401. if (cnt == 100) {
  8402. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8403. "phy fw version(1)\n");
  8404. bnx2x_save_spirom_version(bp, port, 0,
  8405. phy->ver_addr);
  8406. return;
  8407. }
  8408. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8409. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8410. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8411. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8412. for (cnt = 0; cnt < 100; cnt++) {
  8413. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8414. if (val & 1)
  8415. break;
  8416. udelay(5);
  8417. }
  8418. if (cnt == 100) {
  8419. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8420. "version(2)\n");
  8421. bnx2x_save_spirom_version(bp, port, 0,
  8422. phy->ver_addr);
  8423. return;
  8424. }
  8425. /* lower 16 bits of the register SPI_FW_STATUS */
  8426. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8427. /* upper 16 bits of register SPI_FW_STATUS */
  8428. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8429. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8430. phy->ver_addr);
  8431. }
  8432. }
  8433. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8434. struct bnx2x_phy *phy)
  8435. {
  8436. u16 val, offset;
  8437. /* PHYC_CTL_LED_CTL */
  8438. bnx2x_cl45_read(bp, phy,
  8439. MDIO_PMA_DEVAD,
  8440. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8441. val &= 0xFE00;
  8442. val |= 0x0092;
  8443. bnx2x_cl45_write(bp, phy,
  8444. MDIO_PMA_DEVAD,
  8445. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8446. bnx2x_cl45_write(bp, phy,
  8447. MDIO_PMA_DEVAD,
  8448. MDIO_PMA_REG_8481_LED1_MASK,
  8449. 0x80);
  8450. bnx2x_cl45_write(bp, phy,
  8451. MDIO_PMA_DEVAD,
  8452. MDIO_PMA_REG_8481_LED2_MASK,
  8453. 0x18);
  8454. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8455. bnx2x_cl45_write(bp, phy,
  8456. MDIO_PMA_DEVAD,
  8457. MDIO_PMA_REG_8481_LED3_MASK,
  8458. 0x0006);
  8459. /* Select the closest activity blink rate to that in 10/100/1000 */
  8460. bnx2x_cl45_write(bp, phy,
  8461. MDIO_PMA_DEVAD,
  8462. MDIO_PMA_REG_8481_LED3_BLINK,
  8463. 0);
  8464. /* Configure the blink rate to ~15.9 Hz */
  8465. bnx2x_cl45_write(bp, phy,
  8466. MDIO_PMA_DEVAD,
  8467. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8468. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8469. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8470. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8471. else
  8472. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8473. bnx2x_cl45_read(bp, phy,
  8474. MDIO_PMA_DEVAD, offset, &val);
  8475. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8476. bnx2x_cl45_write(bp, phy,
  8477. MDIO_PMA_DEVAD, offset, val);
  8478. /* 'Interrupt Mask' */
  8479. bnx2x_cl45_write(bp, phy,
  8480. MDIO_AN_DEVAD,
  8481. 0xFFFB, 0xFFFD);
  8482. }
  8483. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8484. struct link_params *params,
  8485. u32 action)
  8486. {
  8487. struct bnx2x *bp = params->bp;
  8488. switch (action) {
  8489. case PHY_INIT:
  8490. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8491. /* Save spirom version */
  8492. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8493. }
  8494. /* This phy uses the NIG latch mechanism since link indication
  8495. * arrives through its LED4 and not via its LASI signal, so we
  8496. * get steady signal instead of clear on read
  8497. */
  8498. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8499. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8500. bnx2x_848xx_set_led(bp, phy);
  8501. break;
  8502. }
  8503. }
  8504. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8505. struct link_params *params,
  8506. struct link_vars *vars)
  8507. {
  8508. struct bnx2x *bp = params->bp;
  8509. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8510. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8511. bnx2x_cl45_write(bp, phy,
  8512. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8513. /* set 1000 speed advertisement */
  8514. bnx2x_cl45_read(bp, phy,
  8515. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8516. &an_1000_val);
  8517. bnx2x_ext_phy_set_pause(params, phy, vars);
  8518. bnx2x_cl45_read(bp, phy,
  8519. MDIO_AN_DEVAD,
  8520. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8521. &an_10_100_val);
  8522. bnx2x_cl45_read(bp, phy,
  8523. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8524. &autoneg_val);
  8525. /* Disable forced speed */
  8526. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8527. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8528. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8529. (phy->speed_cap_mask &
  8530. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8531. (phy->req_line_speed == SPEED_1000)) {
  8532. an_1000_val |= (1<<8);
  8533. autoneg_val |= (1<<9 | 1<<12);
  8534. if (phy->req_duplex == DUPLEX_FULL)
  8535. an_1000_val |= (1<<9);
  8536. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8537. } else
  8538. an_1000_val &= ~((1<<8) | (1<<9));
  8539. bnx2x_cl45_write(bp, phy,
  8540. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8541. an_1000_val);
  8542. /* set 100 speed advertisement */
  8543. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8544. (phy->speed_cap_mask &
  8545. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8546. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8547. an_10_100_val |= (1<<7);
  8548. /* Enable autoneg and restart autoneg for legacy speeds */
  8549. autoneg_val |= (1<<9 | 1<<12);
  8550. if (phy->req_duplex == DUPLEX_FULL)
  8551. an_10_100_val |= (1<<8);
  8552. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8553. }
  8554. /* set 10 speed advertisement */
  8555. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8556. (phy->speed_cap_mask &
  8557. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8558. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8559. (phy->supported &
  8560. (SUPPORTED_10baseT_Half |
  8561. SUPPORTED_10baseT_Full)))) {
  8562. an_10_100_val |= (1<<5);
  8563. autoneg_val |= (1<<9 | 1<<12);
  8564. if (phy->req_duplex == DUPLEX_FULL)
  8565. an_10_100_val |= (1<<6);
  8566. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8567. }
  8568. /* Only 10/100 are allowed to work in FORCE mode */
  8569. if ((phy->req_line_speed == SPEED_100) &&
  8570. (phy->supported &
  8571. (SUPPORTED_100baseT_Half |
  8572. SUPPORTED_100baseT_Full))) {
  8573. autoneg_val |= (1<<13);
  8574. /* Enabled AUTO-MDIX when autoneg is disabled */
  8575. bnx2x_cl45_write(bp, phy,
  8576. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8577. (1<<15 | 1<<9 | 7<<0));
  8578. /* The PHY needs this set even for forced link. */
  8579. an_10_100_val |= (1<<8) | (1<<7);
  8580. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8581. }
  8582. if ((phy->req_line_speed == SPEED_10) &&
  8583. (phy->supported &
  8584. (SUPPORTED_10baseT_Half |
  8585. SUPPORTED_10baseT_Full))) {
  8586. /* Enabled AUTO-MDIX when autoneg is disabled */
  8587. bnx2x_cl45_write(bp, phy,
  8588. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8589. (1<<15 | 1<<9 | 7<<0));
  8590. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8591. }
  8592. bnx2x_cl45_write(bp, phy,
  8593. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8594. an_10_100_val);
  8595. if (phy->req_duplex == DUPLEX_FULL)
  8596. autoneg_val |= (1<<8);
  8597. /* Always write this if this is not 84833.
  8598. * For 84833, write it only when it's a forced speed.
  8599. */
  8600. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8601. ((autoneg_val & (1<<12)) == 0))
  8602. bnx2x_cl45_write(bp, phy,
  8603. MDIO_AN_DEVAD,
  8604. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8605. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8606. (phy->speed_cap_mask &
  8607. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8608. (phy->req_line_speed == SPEED_10000)) {
  8609. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8610. /* Restart autoneg for 10G*/
  8611. bnx2x_cl45_read(bp, phy,
  8612. MDIO_AN_DEVAD,
  8613. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8614. &an_10g_val);
  8615. bnx2x_cl45_write(bp, phy,
  8616. MDIO_AN_DEVAD,
  8617. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8618. an_10g_val | 0x1000);
  8619. bnx2x_cl45_write(bp, phy,
  8620. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8621. 0x3200);
  8622. } else
  8623. bnx2x_cl45_write(bp, phy,
  8624. MDIO_AN_DEVAD,
  8625. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8626. 1);
  8627. return 0;
  8628. }
  8629. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8630. struct link_params *params,
  8631. struct link_vars *vars)
  8632. {
  8633. struct bnx2x *bp = params->bp;
  8634. /* Restore normal power mode*/
  8635. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8636. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8637. /* HW reset */
  8638. bnx2x_ext_phy_hw_reset(bp, params->port);
  8639. bnx2x_wait_reset_complete(bp, phy, params);
  8640. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8641. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8642. }
  8643. #define PHY84833_CMDHDLR_WAIT 300
  8644. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8645. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8646. struct link_params *params,
  8647. u16 fw_cmd,
  8648. u16 cmd_args[], int argc)
  8649. {
  8650. int idx;
  8651. u16 val;
  8652. struct bnx2x *bp = params->bp;
  8653. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8654. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8655. MDIO_84833_CMD_HDLR_STATUS,
  8656. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8657. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8658. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8659. MDIO_84833_CMD_HDLR_STATUS, &val);
  8660. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8661. break;
  8662. usleep_range(1000, 2000);
  8663. }
  8664. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8665. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8666. return -EINVAL;
  8667. }
  8668. /* Prepare argument(s) and issue command */
  8669. for (idx = 0; idx < argc; idx++) {
  8670. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8671. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8672. cmd_args[idx]);
  8673. }
  8674. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8675. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8676. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8677. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8678. MDIO_84833_CMD_HDLR_STATUS, &val);
  8679. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8680. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8681. break;
  8682. usleep_range(1000, 2000);
  8683. }
  8684. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8685. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8686. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8687. return -EINVAL;
  8688. }
  8689. /* Gather returning data */
  8690. for (idx = 0; idx < argc; idx++) {
  8691. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8692. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8693. &cmd_args[idx]);
  8694. }
  8695. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8696. MDIO_84833_CMD_HDLR_STATUS,
  8697. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8698. return 0;
  8699. }
  8700. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8701. struct link_params *params,
  8702. struct link_vars *vars)
  8703. {
  8704. u32 pair_swap;
  8705. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8706. int status;
  8707. struct bnx2x *bp = params->bp;
  8708. /* Check for configuration. */
  8709. pair_swap = REG_RD(bp, params->shmem_base +
  8710. offsetof(struct shmem_region,
  8711. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8712. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8713. if (pair_swap == 0)
  8714. return 0;
  8715. /* Only the second argument is used for this command */
  8716. data[1] = (u16)pair_swap;
  8717. status = bnx2x_84833_cmd_hdlr(phy, params,
  8718. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8719. if (status == 0)
  8720. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8721. return status;
  8722. }
  8723. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8724. u32 shmem_base_path[],
  8725. u32 chip_id)
  8726. {
  8727. u32 reset_pin[2];
  8728. u32 idx;
  8729. u8 reset_gpios;
  8730. if (CHIP_IS_E3(bp)) {
  8731. /* Assume that these will be GPIOs, not EPIOs. */
  8732. for (idx = 0; idx < 2; idx++) {
  8733. /* Map config param to register bit. */
  8734. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8735. offsetof(struct shmem_region,
  8736. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8737. reset_pin[idx] = (reset_pin[idx] &
  8738. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8739. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8740. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8741. reset_pin[idx] = (1 << reset_pin[idx]);
  8742. }
  8743. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8744. } else {
  8745. /* E2, look from diff place of shmem. */
  8746. for (idx = 0; idx < 2; idx++) {
  8747. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8748. offsetof(struct shmem_region,
  8749. dev_info.port_hw_config[0].default_cfg));
  8750. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8751. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8752. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8753. reset_pin[idx] = (1 << reset_pin[idx]);
  8754. }
  8755. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8756. }
  8757. return reset_gpios;
  8758. }
  8759. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8760. struct link_params *params)
  8761. {
  8762. struct bnx2x *bp = params->bp;
  8763. u8 reset_gpios;
  8764. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8765. offsetof(struct shmem2_region,
  8766. other_shmem_base_addr));
  8767. u32 shmem_base_path[2];
  8768. /* Work around for 84833 LED failure inside RESET status */
  8769. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8770. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8771. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8772. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8773. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8774. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8775. shmem_base_path[0] = params->shmem_base;
  8776. shmem_base_path[1] = other_shmem_base_addr;
  8777. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8778. params->chip_id);
  8779. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8780. udelay(10);
  8781. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8782. reset_gpios);
  8783. return 0;
  8784. }
  8785. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8786. struct link_params *params,
  8787. struct link_vars *vars)
  8788. {
  8789. int rc;
  8790. struct bnx2x *bp = params->bp;
  8791. u16 cmd_args = 0;
  8792. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8793. /* Prevent Phy from working in EEE and advertising it */
  8794. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8795. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8796. if (rc) {
  8797. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8798. return rc;
  8799. }
  8800. return bnx2x_eee_disable(phy, params, vars);
  8801. }
  8802. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8803. struct link_params *params,
  8804. struct link_vars *vars)
  8805. {
  8806. int rc;
  8807. struct bnx2x *bp = params->bp;
  8808. u16 cmd_args = 1;
  8809. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8810. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8811. if (rc) {
  8812. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8813. return rc;
  8814. }
  8815. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8816. }
  8817. #define PHY84833_CONSTANT_LATENCY 1193
  8818. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8819. struct link_params *params,
  8820. struct link_vars *vars)
  8821. {
  8822. struct bnx2x *bp = params->bp;
  8823. u8 port, initialize = 1;
  8824. u16 val;
  8825. u32 actual_phy_selection, cms_enable;
  8826. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8827. int rc = 0;
  8828. usleep_range(1000, 2000);
  8829. if (!(CHIP_IS_E1x(bp)))
  8830. port = BP_PATH(bp);
  8831. else
  8832. port = params->port;
  8833. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8834. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8835. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8836. port);
  8837. } else {
  8838. /* MDIO reset */
  8839. bnx2x_cl45_write(bp, phy,
  8840. MDIO_PMA_DEVAD,
  8841. MDIO_PMA_REG_CTRL, 0x8000);
  8842. }
  8843. bnx2x_wait_reset_complete(bp, phy, params);
  8844. /* Wait for GPHY to come out of reset */
  8845. msleep(50);
  8846. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8847. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8848. * behavior.
  8849. */
  8850. u16 temp;
  8851. temp = vars->line_speed;
  8852. vars->line_speed = SPEED_10000;
  8853. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8854. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8855. vars->line_speed = temp;
  8856. }
  8857. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8858. MDIO_CTL_REG_84823_MEDIA, &val);
  8859. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8860. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8861. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8862. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8863. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8864. if (CHIP_IS_E3(bp)) {
  8865. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8866. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8867. } else {
  8868. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8869. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8870. }
  8871. actual_phy_selection = bnx2x_phy_selection(params);
  8872. switch (actual_phy_selection) {
  8873. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8874. /* Do nothing. Essentially this is like the priority copper */
  8875. break;
  8876. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8877. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8878. break;
  8879. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8880. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8881. break;
  8882. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8883. /* Do nothing here. The first PHY won't be initialized at all */
  8884. break;
  8885. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8886. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8887. initialize = 0;
  8888. break;
  8889. }
  8890. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8891. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8892. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8893. MDIO_CTL_REG_84823_MEDIA, val);
  8894. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8895. params->multi_phy_config, val);
  8896. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8897. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8898. /* Keep AutogrEEEn disabled. */
  8899. cmd_args[0] = 0x0;
  8900. cmd_args[1] = 0x0;
  8901. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8902. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8903. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8904. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8905. PHY84833_CMDHDLR_MAX_ARGS);
  8906. if (rc)
  8907. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8908. }
  8909. if (initialize)
  8910. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8911. else
  8912. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8913. /* 84833 PHY has a better feature and doesn't need to support this. */
  8914. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8915. cms_enable = REG_RD(bp, params->shmem_base +
  8916. offsetof(struct shmem_region,
  8917. dev_info.port_hw_config[params->port].default_cfg)) &
  8918. PORT_HW_CFG_ENABLE_CMS_MASK;
  8919. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8920. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8921. if (cms_enable)
  8922. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8923. else
  8924. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8925. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8926. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8927. }
  8928. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8929. MDIO_84833_TOP_CFG_FW_REV, &val);
  8930. /* Configure EEE support */
  8931. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8932. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8933. bnx2x_eee_has_cap(params)) {
  8934. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8935. if (rc) {
  8936. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8937. bnx2x_8483x_disable_eee(phy, params, vars);
  8938. return rc;
  8939. }
  8940. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8941. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8942. (bnx2x_eee_calc_timer(params) ||
  8943. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8944. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8945. else
  8946. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8947. if (rc) {
  8948. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8949. return rc;
  8950. }
  8951. } else {
  8952. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8953. }
  8954. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8955. /* Bring PHY out of super isolate mode as the final step. */
  8956. bnx2x_cl45_read(bp, phy,
  8957. MDIO_CTL_DEVAD,
  8958. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8959. val &= ~MDIO_84833_SUPER_ISOLATE;
  8960. bnx2x_cl45_write(bp, phy,
  8961. MDIO_CTL_DEVAD,
  8962. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8963. }
  8964. return rc;
  8965. }
  8966. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8967. struct link_params *params,
  8968. struct link_vars *vars)
  8969. {
  8970. struct bnx2x *bp = params->bp;
  8971. u16 val, val1, val2;
  8972. u8 link_up = 0;
  8973. /* Check 10G-BaseT link status */
  8974. /* Check PMD signal ok */
  8975. bnx2x_cl45_read(bp, phy,
  8976. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8977. bnx2x_cl45_read(bp, phy,
  8978. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8979. &val2);
  8980. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8981. /* Check link 10G */
  8982. if (val2 & (1<<11)) {
  8983. vars->line_speed = SPEED_10000;
  8984. vars->duplex = DUPLEX_FULL;
  8985. link_up = 1;
  8986. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8987. } else { /* Check Legacy speed link */
  8988. u16 legacy_status, legacy_speed;
  8989. /* Enable expansion register 0x42 (Operation mode status) */
  8990. bnx2x_cl45_write(bp, phy,
  8991. MDIO_AN_DEVAD,
  8992. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8993. /* Get legacy speed operation status */
  8994. bnx2x_cl45_read(bp, phy,
  8995. MDIO_AN_DEVAD,
  8996. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8997. &legacy_status);
  8998. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8999. legacy_status);
  9000. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9001. legacy_speed = (legacy_status & (3<<9));
  9002. if (legacy_speed == (0<<9))
  9003. vars->line_speed = SPEED_10;
  9004. else if (legacy_speed == (1<<9))
  9005. vars->line_speed = SPEED_100;
  9006. else if (legacy_speed == (2<<9))
  9007. vars->line_speed = SPEED_1000;
  9008. else { /* Should not happen: Treat as link down */
  9009. vars->line_speed = 0;
  9010. link_up = 0;
  9011. }
  9012. if (link_up) {
  9013. if (legacy_status & (1<<8))
  9014. vars->duplex = DUPLEX_FULL;
  9015. else
  9016. vars->duplex = DUPLEX_HALF;
  9017. DP(NETIF_MSG_LINK,
  9018. "Link is up in %dMbps, is_duplex_full= %d\n",
  9019. vars->line_speed,
  9020. (vars->duplex == DUPLEX_FULL));
  9021. /* Check legacy speed AN resolution */
  9022. bnx2x_cl45_read(bp, phy,
  9023. MDIO_AN_DEVAD,
  9024. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9025. &val);
  9026. if (val & (1<<5))
  9027. vars->link_status |=
  9028. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9029. bnx2x_cl45_read(bp, phy,
  9030. MDIO_AN_DEVAD,
  9031. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9032. &val);
  9033. if ((val & (1<<0)) == 0)
  9034. vars->link_status |=
  9035. LINK_STATUS_PARALLEL_DETECTION_USED;
  9036. }
  9037. }
  9038. if (link_up) {
  9039. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9040. vars->line_speed);
  9041. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9042. /* Read LP advertised speeds */
  9043. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9044. MDIO_AN_REG_CL37_FC_LP, &val);
  9045. if (val & (1<<5))
  9046. vars->link_status |=
  9047. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9048. if (val & (1<<6))
  9049. vars->link_status |=
  9050. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9051. if (val & (1<<7))
  9052. vars->link_status |=
  9053. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9054. if (val & (1<<8))
  9055. vars->link_status |=
  9056. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9057. if (val & (1<<9))
  9058. vars->link_status |=
  9059. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9060. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9061. MDIO_AN_REG_1000T_STATUS, &val);
  9062. if (val & (1<<10))
  9063. vars->link_status |=
  9064. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9065. if (val & (1<<11))
  9066. vars->link_status |=
  9067. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9068. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9069. MDIO_AN_REG_MASTER_STATUS, &val);
  9070. if (val & (1<<11))
  9071. vars->link_status |=
  9072. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9073. /* Determine if EEE was negotiated */
  9074. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9075. bnx2x_eee_an_resolve(phy, params, vars);
  9076. }
  9077. return link_up;
  9078. }
  9079. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9080. {
  9081. int status = 0;
  9082. u32 spirom_ver;
  9083. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9084. status = bnx2x_format_ver(spirom_ver, str, len);
  9085. return status;
  9086. }
  9087. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9088. struct link_params *params)
  9089. {
  9090. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9091. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9092. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9093. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9094. }
  9095. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9096. struct link_params *params)
  9097. {
  9098. bnx2x_cl45_write(params->bp, phy,
  9099. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9100. bnx2x_cl45_write(params->bp, phy,
  9101. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9102. }
  9103. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9104. struct link_params *params)
  9105. {
  9106. struct bnx2x *bp = params->bp;
  9107. u8 port;
  9108. u16 val16;
  9109. if (!(CHIP_IS_E1x(bp)))
  9110. port = BP_PATH(bp);
  9111. else
  9112. port = params->port;
  9113. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9114. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9115. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9116. port);
  9117. } else {
  9118. bnx2x_cl45_read(bp, phy,
  9119. MDIO_CTL_DEVAD,
  9120. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9121. val16 |= MDIO_84833_SUPER_ISOLATE;
  9122. bnx2x_cl45_write(bp, phy,
  9123. MDIO_CTL_DEVAD,
  9124. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9125. }
  9126. }
  9127. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9128. struct link_params *params, u8 mode)
  9129. {
  9130. struct bnx2x *bp = params->bp;
  9131. u16 val;
  9132. u8 port;
  9133. if (!(CHIP_IS_E1x(bp)))
  9134. port = BP_PATH(bp);
  9135. else
  9136. port = params->port;
  9137. switch (mode) {
  9138. case LED_MODE_OFF:
  9139. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9140. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9141. SHARED_HW_CFG_LED_EXTPHY1) {
  9142. /* Set LED masks */
  9143. bnx2x_cl45_write(bp, phy,
  9144. MDIO_PMA_DEVAD,
  9145. MDIO_PMA_REG_8481_LED1_MASK,
  9146. 0x0);
  9147. bnx2x_cl45_write(bp, phy,
  9148. MDIO_PMA_DEVAD,
  9149. MDIO_PMA_REG_8481_LED2_MASK,
  9150. 0x0);
  9151. bnx2x_cl45_write(bp, phy,
  9152. MDIO_PMA_DEVAD,
  9153. MDIO_PMA_REG_8481_LED3_MASK,
  9154. 0x0);
  9155. bnx2x_cl45_write(bp, phy,
  9156. MDIO_PMA_DEVAD,
  9157. MDIO_PMA_REG_8481_LED5_MASK,
  9158. 0x0);
  9159. } else {
  9160. bnx2x_cl45_write(bp, phy,
  9161. MDIO_PMA_DEVAD,
  9162. MDIO_PMA_REG_8481_LED1_MASK,
  9163. 0x0);
  9164. }
  9165. break;
  9166. case LED_MODE_FRONT_PANEL_OFF:
  9167. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9168. port);
  9169. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9170. SHARED_HW_CFG_LED_EXTPHY1) {
  9171. /* Set LED masks */
  9172. bnx2x_cl45_write(bp, phy,
  9173. MDIO_PMA_DEVAD,
  9174. MDIO_PMA_REG_8481_LED1_MASK,
  9175. 0x0);
  9176. bnx2x_cl45_write(bp, phy,
  9177. MDIO_PMA_DEVAD,
  9178. MDIO_PMA_REG_8481_LED2_MASK,
  9179. 0x0);
  9180. bnx2x_cl45_write(bp, phy,
  9181. MDIO_PMA_DEVAD,
  9182. MDIO_PMA_REG_8481_LED3_MASK,
  9183. 0x0);
  9184. bnx2x_cl45_write(bp, phy,
  9185. MDIO_PMA_DEVAD,
  9186. MDIO_PMA_REG_8481_LED5_MASK,
  9187. 0x20);
  9188. } else {
  9189. bnx2x_cl45_write(bp, phy,
  9190. MDIO_PMA_DEVAD,
  9191. MDIO_PMA_REG_8481_LED1_MASK,
  9192. 0x0);
  9193. }
  9194. break;
  9195. case LED_MODE_ON:
  9196. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9197. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9198. SHARED_HW_CFG_LED_EXTPHY1) {
  9199. /* Set control reg */
  9200. bnx2x_cl45_read(bp, phy,
  9201. MDIO_PMA_DEVAD,
  9202. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9203. &val);
  9204. val &= 0x8000;
  9205. val |= 0x2492;
  9206. bnx2x_cl45_write(bp, phy,
  9207. MDIO_PMA_DEVAD,
  9208. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9209. val);
  9210. /* Set LED masks */
  9211. bnx2x_cl45_write(bp, phy,
  9212. MDIO_PMA_DEVAD,
  9213. MDIO_PMA_REG_8481_LED1_MASK,
  9214. 0x0);
  9215. bnx2x_cl45_write(bp, phy,
  9216. MDIO_PMA_DEVAD,
  9217. MDIO_PMA_REG_8481_LED2_MASK,
  9218. 0x20);
  9219. bnx2x_cl45_write(bp, phy,
  9220. MDIO_PMA_DEVAD,
  9221. MDIO_PMA_REG_8481_LED3_MASK,
  9222. 0x20);
  9223. bnx2x_cl45_write(bp, phy,
  9224. MDIO_PMA_DEVAD,
  9225. MDIO_PMA_REG_8481_LED5_MASK,
  9226. 0x0);
  9227. } else {
  9228. bnx2x_cl45_write(bp, phy,
  9229. MDIO_PMA_DEVAD,
  9230. MDIO_PMA_REG_8481_LED1_MASK,
  9231. 0x20);
  9232. }
  9233. break;
  9234. case LED_MODE_OPER:
  9235. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9236. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9237. SHARED_HW_CFG_LED_EXTPHY1) {
  9238. /* Set control reg */
  9239. bnx2x_cl45_read(bp, phy,
  9240. MDIO_PMA_DEVAD,
  9241. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9242. &val);
  9243. if (!((val &
  9244. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9245. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9246. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9247. bnx2x_cl45_write(bp, phy,
  9248. MDIO_PMA_DEVAD,
  9249. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9250. 0xa492);
  9251. }
  9252. /* Set LED masks */
  9253. bnx2x_cl45_write(bp, phy,
  9254. MDIO_PMA_DEVAD,
  9255. MDIO_PMA_REG_8481_LED1_MASK,
  9256. 0x10);
  9257. bnx2x_cl45_write(bp, phy,
  9258. MDIO_PMA_DEVAD,
  9259. MDIO_PMA_REG_8481_LED2_MASK,
  9260. 0x80);
  9261. bnx2x_cl45_write(bp, phy,
  9262. MDIO_PMA_DEVAD,
  9263. MDIO_PMA_REG_8481_LED3_MASK,
  9264. 0x98);
  9265. bnx2x_cl45_write(bp, phy,
  9266. MDIO_PMA_DEVAD,
  9267. MDIO_PMA_REG_8481_LED5_MASK,
  9268. 0x40);
  9269. } else {
  9270. bnx2x_cl45_write(bp, phy,
  9271. MDIO_PMA_DEVAD,
  9272. MDIO_PMA_REG_8481_LED1_MASK,
  9273. 0x80);
  9274. /* Tell LED3 to blink on source */
  9275. bnx2x_cl45_read(bp, phy,
  9276. MDIO_PMA_DEVAD,
  9277. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9278. &val);
  9279. val &= ~(7<<6);
  9280. val |= (1<<6); /* A83B[8:6]= 1 */
  9281. bnx2x_cl45_write(bp, phy,
  9282. MDIO_PMA_DEVAD,
  9283. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9284. val);
  9285. }
  9286. break;
  9287. }
  9288. /* This is a workaround for E3+84833 until autoneg
  9289. * restart is fixed in f/w
  9290. */
  9291. if (CHIP_IS_E3(bp)) {
  9292. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9293. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9294. }
  9295. }
  9296. /******************************************************************/
  9297. /* 54618SE PHY SECTION */
  9298. /******************************************************************/
  9299. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9300. struct link_params *params,
  9301. u32 action)
  9302. {
  9303. struct bnx2x *bp = params->bp;
  9304. u16 temp;
  9305. switch (action) {
  9306. case PHY_INIT:
  9307. /* Configure LED4: set to INTR (0x6). */
  9308. /* Accessing shadow register 0xe. */
  9309. bnx2x_cl22_write(bp, phy,
  9310. MDIO_REG_GPHY_SHADOW,
  9311. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9312. bnx2x_cl22_read(bp, phy,
  9313. MDIO_REG_GPHY_SHADOW,
  9314. &temp);
  9315. temp &= ~(0xf << 4);
  9316. temp |= (0x6 << 4);
  9317. bnx2x_cl22_write(bp, phy,
  9318. MDIO_REG_GPHY_SHADOW,
  9319. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9320. /* Configure INTR based on link status change. */
  9321. bnx2x_cl22_write(bp, phy,
  9322. MDIO_REG_INTR_MASK,
  9323. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9324. break;
  9325. }
  9326. }
  9327. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9328. struct link_params *params,
  9329. struct link_vars *vars)
  9330. {
  9331. struct bnx2x *bp = params->bp;
  9332. u8 port;
  9333. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9334. u32 cfg_pin;
  9335. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9336. usleep_range(1000, 2000);
  9337. /* This works with E3 only, no need to check the chip
  9338. * before determining the port.
  9339. */
  9340. port = params->port;
  9341. cfg_pin = (REG_RD(bp, params->shmem_base +
  9342. offsetof(struct shmem_region,
  9343. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9344. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9345. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9346. /* Drive pin high to bring the GPHY out of reset. */
  9347. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9348. /* wait for GPHY to reset */
  9349. msleep(50);
  9350. /* reset phy */
  9351. bnx2x_cl22_write(bp, phy,
  9352. MDIO_PMA_REG_CTRL, 0x8000);
  9353. bnx2x_wait_reset_complete(bp, phy, params);
  9354. /* Wait for GPHY to reset */
  9355. msleep(50);
  9356. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9357. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9358. bnx2x_cl22_write(bp, phy,
  9359. MDIO_REG_GPHY_SHADOW,
  9360. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9361. bnx2x_cl22_read(bp, phy,
  9362. MDIO_REG_GPHY_SHADOW,
  9363. &temp);
  9364. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9365. bnx2x_cl22_write(bp, phy,
  9366. MDIO_REG_GPHY_SHADOW,
  9367. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9368. /* Set up fc */
  9369. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9370. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9371. fc_val = 0;
  9372. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9373. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9374. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9375. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9376. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9377. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9378. /* Read all advertisement */
  9379. bnx2x_cl22_read(bp, phy,
  9380. 0x09,
  9381. &an_1000_val);
  9382. bnx2x_cl22_read(bp, phy,
  9383. 0x04,
  9384. &an_10_100_val);
  9385. bnx2x_cl22_read(bp, phy,
  9386. MDIO_PMA_REG_CTRL,
  9387. &autoneg_val);
  9388. /* Disable forced speed */
  9389. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9390. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9391. (1<<11));
  9392. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9393. (phy->speed_cap_mask &
  9394. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9395. (phy->req_line_speed == SPEED_1000)) {
  9396. an_1000_val |= (1<<8);
  9397. autoneg_val |= (1<<9 | 1<<12);
  9398. if (phy->req_duplex == DUPLEX_FULL)
  9399. an_1000_val |= (1<<9);
  9400. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9401. } else
  9402. an_1000_val &= ~((1<<8) | (1<<9));
  9403. bnx2x_cl22_write(bp, phy,
  9404. 0x09,
  9405. an_1000_val);
  9406. bnx2x_cl22_read(bp, phy,
  9407. 0x09,
  9408. &an_1000_val);
  9409. /* Set 100 speed advertisement */
  9410. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9411. (phy->speed_cap_mask &
  9412. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9413. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9414. an_10_100_val |= (1<<7);
  9415. /* Enable autoneg and restart autoneg for legacy speeds */
  9416. autoneg_val |= (1<<9 | 1<<12);
  9417. if (phy->req_duplex == DUPLEX_FULL)
  9418. an_10_100_val |= (1<<8);
  9419. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9420. }
  9421. /* Set 10 speed advertisement */
  9422. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9423. (phy->speed_cap_mask &
  9424. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9425. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9426. an_10_100_val |= (1<<5);
  9427. autoneg_val |= (1<<9 | 1<<12);
  9428. if (phy->req_duplex == DUPLEX_FULL)
  9429. an_10_100_val |= (1<<6);
  9430. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9431. }
  9432. /* Only 10/100 are allowed to work in FORCE mode */
  9433. if (phy->req_line_speed == SPEED_100) {
  9434. autoneg_val |= (1<<13);
  9435. /* Enabled AUTO-MDIX when autoneg is disabled */
  9436. bnx2x_cl22_write(bp, phy,
  9437. 0x18,
  9438. (1<<15 | 1<<9 | 7<<0));
  9439. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9440. }
  9441. if (phy->req_line_speed == SPEED_10) {
  9442. /* Enabled AUTO-MDIX when autoneg is disabled */
  9443. bnx2x_cl22_write(bp, phy,
  9444. 0x18,
  9445. (1<<15 | 1<<9 | 7<<0));
  9446. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9447. }
  9448. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9449. int rc;
  9450. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9451. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9452. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9453. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9454. temp &= 0xfffe;
  9455. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9456. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9457. if (rc) {
  9458. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9459. bnx2x_eee_disable(phy, params, vars);
  9460. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9461. (phy->req_duplex == DUPLEX_FULL) &&
  9462. (bnx2x_eee_calc_timer(params) ||
  9463. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9464. /* Need to advertise EEE only when requested,
  9465. * and either no LPI assertion was requested,
  9466. * or it was requested and a valid timer was set.
  9467. * Also notice full duplex is required for EEE.
  9468. */
  9469. bnx2x_eee_advertise(phy, params, vars,
  9470. SHMEM_EEE_1G_ADV);
  9471. } else {
  9472. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9473. bnx2x_eee_disable(phy, params, vars);
  9474. }
  9475. } else {
  9476. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9477. SHMEM_EEE_SUPPORTED_SHIFT;
  9478. if (phy->flags & FLAGS_EEE) {
  9479. /* Handle legacy auto-grEEEn */
  9480. if (params->feature_config_flags &
  9481. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9482. temp = 6;
  9483. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9484. } else {
  9485. temp = 0;
  9486. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9487. }
  9488. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9489. MDIO_AN_REG_EEE_ADV, temp);
  9490. }
  9491. }
  9492. bnx2x_cl22_write(bp, phy,
  9493. 0x04,
  9494. an_10_100_val | fc_val);
  9495. if (phy->req_duplex == DUPLEX_FULL)
  9496. autoneg_val |= (1<<8);
  9497. bnx2x_cl22_write(bp, phy,
  9498. MDIO_PMA_REG_CTRL, autoneg_val);
  9499. return 0;
  9500. }
  9501. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9502. struct link_params *params, u8 mode)
  9503. {
  9504. struct bnx2x *bp = params->bp;
  9505. u16 temp;
  9506. bnx2x_cl22_write(bp, phy,
  9507. MDIO_REG_GPHY_SHADOW,
  9508. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9509. bnx2x_cl22_read(bp, phy,
  9510. MDIO_REG_GPHY_SHADOW,
  9511. &temp);
  9512. temp &= 0xff00;
  9513. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9514. switch (mode) {
  9515. case LED_MODE_FRONT_PANEL_OFF:
  9516. case LED_MODE_OFF:
  9517. temp |= 0x00ee;
  9518. break;
  9519. case LED_MODE_OPER:
  9520. temp |= 0x0001;
  9521. break;
  9522. case LED_MODE_ON:
  9523. temp |= 0x00ff;
  9524. break;
  9525. default:
  9526. break;
  9527. }
  9528. bnx2x_cl22_write(bp, phy,
  9529. MDIO_REG_GPHY_SHADOW,
  9530. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9531. return;
  9532. }
  9533. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9534. struct link_params *params)
  9535. {
  9536. struct bnx2x *bp = params->bp;
  9537. u32 cfg_pin;
  9538. u8 port;
  9539. /* In case of no EPIO routed to reset the GPHY, put it
  9540. * in low power mode.
  9541. */
  9542. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9543. /* This works with E3 only, no need to check the chip
  9544. * before determining the port.
  9545. */
  9546. port = params->port;
  9547. cfg_pin = (REG_RD(bp, params->shmem_base +
  9548. offsetof(struct shmem_region,
  9549. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9550. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9551. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9552. /* Drive pin low to put GPHY in reset. */
  9553. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9554. }
  9555. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9556. struct link_params *params,
  9557. struct link_vars *vars)
  9558. {
  9559. struct bnx2x *bp = params->bp;
  9560. u16 val;
  9561. u8 link_up = 0;
  9562. u16 legacy_status, legacy_speed;
  9563. /* Get speed operation status */
  9564. bnx2x_cl22_read(bp, phy,
  9565. MDIO_REG_GPHY_AUX_STATUS,
  9566. &legacy_status);
  9567. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9568. /* Read status to clear the PHY interrupt. */
  9569. bnx2x_cl22_read(bp, phy,
  9570. MDIO_REG_INTR_STATUS,
  9571. &val);
  9572. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9573. if (link_up) {
  9574. legacy_speed = (legacy_status & (7<<8));
  9575. if (legacy_speed == (7<<8)) {
  9576. vars->line_speed = SPEED_1000;
  9577. vars->duplex = DUPLEX_FULL;
  9578. } else if (legacy_speed == (6<<8)) {
  9579. vars->line_speed = SPEED_1000;
  9580. vars->duplex = DUPLEX_HALF;
  9581. } else if (legacy_speed == (5<<8)) {
  9582. vars->line_speed = SPEED_100;
  9583. vars->duplex = DUPLEX_FULL;
  9584. }
  9585. /* Omitting 100Base-T4 for now */
  9586. else if (legacy_speed == (3<<8)) {
  9587. vars->line_speed = SPEED_100;
  9588. vars->duplex = DUPLEX_HALF;
  9589. } else if (legacy_speed == (2<<8)) {
  9590. vars->line_speed = SPEED_10;
  9591. vars->duplex = DUPLEX_FULL;
  9592. } else if (legacy_speed == (1<<8)) {
  9593. vars->line_speed = SPEED_10;
  9594. vars->duplex = DUPLEX_HALF;
  9595. } else /* Should not happen */
  9596. vars->line_speed = 0;
  9597. DP(NETIF_MSG_LINK,
  9598. "Link is up in %dMbps, is_duplex_full= %d\n",
  9599. vars->line_speed,
  9600. (vars->duplex == DUPLEX_FULL));
  9601. /* Check legacy speed AN resolution */
  9602. bnx2x_cl22_read(bp, phy,
  9603. 0x01,
  9604. &val);
  9605. if (val & (1<<5))
  9606. vars->link_status |=
  9607. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9608. bnx2x_cl22_read(bp, phy,
  9609. 0x06,
  9610. &val);
  9611. if ((val & (1<<0)) == 0)
  9612. vars->link_status |=
  9613. LINK_STATUS_PARALLEL_DETECTION_USED;
  9614. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9615. vars->line_speed);
  9616. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9617. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9618. /* Report LP advertised speeds */
  9619. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9620. if (val & (1<<5))
  9621. vars->link_status |=
  9622. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9623. if (val & (1<<6))
  9624. vars->link_status |=
  9625. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9626. if (val & (1<<7))
  9627. vars->link_status |=
  9628. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9629. if (val & (1<<8))
  9630. vars->link_status |=
  9631. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9632. if (val & (1<<9))
  9633. vars->link_status |=
  9634. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9635. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9636. if (val & (1<<10))
  9637. vars->link_status |=
  9638. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9639. if (val & (1<<11))
  9640. vars->link_status |=
  9641. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9642. if ((phy->flags & FLAGS_EEE) &&
  9643. bnx2x_eee_has_cap(params))
  9644. bnx2x_eee_an_resolve(phy, params, vars);
  9645. }
  9646. }
  9647. return link_up;
  9648. }
  9649. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9650. struct link_params *params)
  9651. {
  9652. struct bnx2x *bp = params->bp;
  9653. u16 val;
  9654. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9655. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9656. /* Enable master/slave manual mmode and set to master */
  9657. /* mii write 9 [bits set 11 12] */
  9658. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9659. /* forced 1G and disable autoneg */
  9660. /* set val [mii read 0] */
  9661. /* set val [expr $val & [bits clear 6 12 13]] */
  9662. /* set val [expr $val | [bits set 6 8]] */
  9663. /* mii write 0 $val */
  9664. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9665. val &= ~((1<<6) | (1<<12) | (1<<13));
  9666. val |= (1<<6) | (1<<8);
  9667. bnx2x_cl22_write(bp, phy, 0x00, val);
  9668. /* Set external loopback and Tx using 6dB coding */
  9669. /* mii write 0x18 7 */
  9670. /* set val [mii read 0x18] */
  9671. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9672. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9673. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9674. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9675. /* This register opens the gate for the UMAC despite its name */
  9676. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9677. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9678. * length used by the MAC receive logic to check frames.
  9679. */
  9680. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9681. }
  9682. /******************************************************************/
  9683. /* SFX7101 PHY SECTION */
  9684. /******************************************************************/
  9685. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9686. struct link_params *params)
  9687. {
  9688. struct bnx2x *bp = params->bp;
  9689. /* SFX7101_XGXS_TEST1 */
  9690. bnx2x_cl45_write(bp, phy,
  9691. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9692. }
  9693. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9694. struct link_params *params,
  9695. struct link_vars *vars)
  9696. {
  9697. u16 fw_ver1, fw_ver2, val;
  9698. struct bnx2x *bp = params->bp;
  9699. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9700. /* Restore normal power mode*/
  9701. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9702. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9703. /* HW reset */
  9704. bnx2x_ext_phy_hw_reset(bp, params->port);
  9705. bnx2x_wait_reset_complete(bp, phy, params);
  9706. bnx2x_cl45_write(bp, phy,
  9707. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9708. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9709. bnx2x_cl45_write(bp, phy,
  9710. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9711. bnx2x_ext_phy_set_pause(params, phy, vars);
  9712. /* Restart autoneg */
  9713. bnx2x_cl45_read(bp, phy,
  9714. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9715. val |= 0x200;
  9716. bnx2x_cl45_write(bp, phy,
  9717. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9718. /* Save spirom version */
  9719. bnx2x_cl45_read(bp, phy,
  9720. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9721. bnx2x_cl45_read(bp, phy,
  9722. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9723. bnx2x_save_spirom_version(bp, params->port,
  9724. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9725. return 0;
  9726. }
  9727. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9728. struct link_params *params,
  9729. struct link_vars *vars)
  9730. {
  9731. struct bnx2x *bp = params->bp;
  9732. u8 link_up;
  9733. u16 val1, val2;
  9734. bnx2x_cl45_read(bp, phy,
  9735. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9736. bnx2x_cl45_read(bp, phy,
  9737. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9738. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9739. val2, val1);
  9740. bnx2x_cl45_read(bp, phy,
  9741. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9742. bnx2x_cl45_read(bp, phy,
  9743. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9744. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9745. val2, val1);
  9746. link_up = ((val1 & 4) == 4);
  9747. /* If link is up print the AN outcome of the SFX7101 PHY */
  9748. if (link_up) {
  9749. bnx2x_cl45_read(bp, phy,
  9750. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9751. &val2);
  9752. vars->line_speed = SPEED_10000;
  9753. vars->duplex = DUPLEX_FULL;
  9754. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9755. val2, (val2 & (1<<14)));
  9756. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9757. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9758. /* Read LP advertised speeds */
  9759. if (val2 & (1<<11))
  9760. vars->link_status |=
  9761. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9762. }
  9763. return link_up;
  9764. }
  9765. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9766. {
  9767. if (*len < 5)
  9768. return -EINVAL;
  9769. str[0] = (spirom_ver & 0xFF);
  9770. str[1] = (spirom_ver & 0xFF00) >> 8;
  9771. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9772. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9773. str[4] = '\0';
  9774. *len -= 5;
  9775. return 0;
  9776. }
  9777. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9778. {
  9779. u16 val, cnt;
  9780. bnx2x_cl45_read(bp, phy,
  9781. MDIO_PMA_DEVAD,
  9782. MDIO_PMA_REG_7101_RESET, &val);
  9783. for (cnt = 0; cnt < 10; cnt++) {
  9784. msleep(50);
  9785. /* Writes a self-clearing reset */
  9786. bnx2x_cl45_write(bp, phy,
  9787. MDIO_PMA_DEVAD,
  9788. MDIO_PMA_REG_7101_RESET,
  9789. (val | (1<<15)));
  9790. /* Wait for clear */
  9791. bnx2x_cl45_read(bp, phy,
  9792. MDIO_PMA_DEVAD,
  9793. MDIO_PMA_REG_7101_RESET, &val);
  9794. if ((val & (1<<15)) == 0)
  9795. break;
  9796. }
  9797. }
  9798. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9799. struct link_params *params) {
  9800. /* Low power mode is controlled by GPIO 2 */
  9801. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9802. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9803. /* The PHY reset is controlled by GPIO 1 */
  9804. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9805. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9806. }
  9807. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9808. struct link_params *params, u8 mode)
  9809. {
  9810. u16 val = 0;
  9811. struct bnx2x *bp = params->bp;
  9812. switch (mode) {
  9813. case LED_MODE_FRONT_PANEL_OFF:
  9814. case LED_MODE_OFF:
  9815. val = 2;
  9816. break;
  9817. case LED_MODE_ON:
  9818. val = 1;
  9819. break;
  9820. case LED_MODE_OPER:
  9821. val = 0;
  9822. break;
  9823. }
  9824. bnx2x_cl45_write(bp, phy,
  9825. MDIO_PMA_DEVAD,
  9826. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9827. val);
  9828. }
  9829. /******************************************************************/
  9830. /* STATIC PHY DECLARATION */
  9831. /******************************************************************/
  9832. static struct bnx2x_phy phy_null = {
  9833. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9834. .addr = 0,
  9835. .def_md_devad = 0,
  9836. .flags = FLAGS_INIT_XGXS_FIRST,
  9837. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9838. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9839. .mdio_ctrl = 0,
  9840. .supported = 0,
  9841. .media_type = ETH_PHY_NOT_PRESENT,
  9842. .ver_addr = 0,
  9843. .req_flow_ctrl = 0,
  9844. .req_line_speed = 0,
  9845. .speed_cap_mask = 0,
  9846. .req_duplex = 0,
  9847. .rsrv = 0,
  9848. .config_init = (config_init_t)NULL,
  9849. .read_status = (read_status_t)NULL,
  9850. .link_reset = (link_reset_t)NULL,
  9851. .config_loopback = (config_loopback_t)NULL,
  9852. .format_fw_ver = (format_fw_ver_t)NULL,
  9853. .hw_reset = (hw_reset_t)NULL,
  9854. .set_link_led = (set_link_led_t)NULL,
  9855. .phy_specific_func = (phy_specific_func_t)NULL
  9856. };
  9857. static struct bnx2x_phy phy_serdes = {
  9858. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9859. .addr = 0xff,
  9860. .def_md_devad = 0,
  9861. .flags = 0,
  9862. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9863. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9864. .mdio_ctrl = 0,
  9865. .supported = (SUPPORTED_10baseT_Half |
  9866. SUPPORTED_10baseT_Full |
  9867. SUPPORTED_100baseT_Half |
  9868. SUPPORTED_100baseT_Full |
  9869. SUPPORTED_1000baseT_Full |
  9870. SUPPORTED_2500baseX_Full |
  9871. SUPPORTED_TP |
  9872. SUPPORTED_Autoneg |
  9873. SUPPORTED_Pause |
  9874. SUPPORTED_Asym_Pause),
  9875. .media_type = ETH_PHY_BASE_T,
  9876. .ver_addr = 0,
  9877. .req_flow_ctrl = 0,
  9878. .req_line_speed = 0,
  9879. .speed_cap_mask = 0,
  9880. .req_duplex = 0,
  9881. .rsrv = 0,
  9882. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9883. .read_status = (read_status_t)bnx2x_link_settings_status,
  9884. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9885. .config_loopback = (config_loopback_t)NULL,
  9886. .format_fw_ver = (format_fw_ver_t)NULL,
  9887. .hw_reset = (hw_reset_t)NULL,
  9888. .set_link_led = (set_link_led_t)NULL,
  9889. .phy_specific_func = (phy_specific_func_t)NULL
  9890. };
  9891. static struct bnx2x_phy phy_xgxs = {
  9892. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9893. .addr = 0xff,
  9894. .def_md_devad = 0,
  9895. .flags = 0,
  9896. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9897. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9898. .mdio_ctrl = 0,
  9899. .supported = (SUPPORTED_10baseT_Half |
  9900. SUPPORTED_10baseT_Full |
  9901. SUPPORTED_100baseT_Half |
  9902. SUPPORTED_100baseT_Full |
  9903. SUPPORTED_1000baseT_Full |
  9904. SUPPORTED_2500baseX_Full |
  9905. SUPPORTED_10000baseT_Full |
  9906. SUPPORTED_FIBRE |
  9907. SUPPORTED_Autoneg |
  9908. SUPPORTED_Pause |
  9909. SUPPORTED_Asym_Pause),
  9910. .media_type = ETH_PHY_CX4,
  9911. .ver_addr = 0,
  9912. .req_flow_ctrl = 0,
  9913. .req_line_speed = 0,
  9914. .speed_cap_mask = 0,
  9915. .req_duplex = 0,
  9916. .rsrv = 0,
  9917. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9918. .read_status = (read_status_t)bnx2x_link_settings_status,
  9919. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9920. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9921. .format_fw_ver = (format_fw_ver_t)NULL,
  9922. .hw_reset = (hw_reset_t)NULL,
  9923. .set_link_led = (set_link_led_t)NULL,
  9924. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9925. };
  9926. static struct bnx2x_phy phy_warpcore = {
  9927. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9928. .addr = 0xff,
  9929. .def_md_devad = 0,
  9930. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9931. FLAGS_TX_ERROR_CHECK),
  9932. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9933. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9934. .mdio_ctrl = 0,
  9935. .supported = (SUPPORTED_10baseT_Half |
  9936. SUPPORTED_10baseT_Full |
  9937. SUPPORTED_100baseT_Half |
  9938. SUPPORTED_100baseT_Full |
  9939. SUPPORTED_1000baseT_Full |
  9940. SUPPORTED_10000baseT_Full |
  9941. SUPPORTED_20000baseKR2_Full |
  9942. SUPPORTED_20000baseMLD2_Full |
  9943. SUPPORTED_FIBRE |
  9944. SUPPORTED_Autoneg |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause),
  9947. .media_type = ETH_PHY_UNSPECIFIED,
  9948. .ver_addr = 0,
  9949. .req_flow_ctrl = 0,
  9950. .req_line_speed = 0,
  9951. .speed_cap_mask = 0,
  9952. /* req_duplex = */0,
  9953. /* rsrv = */0,
  9954. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9955. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9956. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9957. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9958. .format_fw_ver = (format_fw_ver_t)NULL,
  9959. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9960. .set_link_led = (set_link_led_t)NULL,
  9961. .phy_specific_func = (phy_specific_func_t)NULL
  9962. };
  9963. static struct bnx2x_phy phy_7101 = {
  9964. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9965. .addr = 0xff,
  9966. .def_md_devad = 0,
  9967. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9968. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9969. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9970. .mdio_ctrl = 0,
  9971. .supported = (SUPPORTED_10000baseT_Full |
  9972. SUPPORTED_TP |
  9973. SUPPORTED_Autoneg |
  9974. SUPPORTED_Pause |
  9975. SUPPORTED_Asym_Pause),
  9976. .media_type = ETH_PHY_BASE_T,
  9977. .ver_addr = 0,
  9978. .req_flow_ctrl = 0,
  9979. .req_line_speed = 0,
  9980. .speed_cap_mask = 0,
  9981. .req_duplex = 0,
  9982. .rsrv = 0,
  9983. .config_init = (config_init_t)bnx2x_7101_config_init,
  9984. .read_status = (read_status_t)bnx2x_7101_read_status,
  9985. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9986. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9987. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9988. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9989. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9990. .phy_specific_func = (phy_specific_func_t)NULL
  9991. };
  9992. static struct bnx2x_phy phy_8073 = {
  9993. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9994. .addr = 0xff,
  9995. .def_md_devad = 0,
  9996. .flags = FLAGS_HW_LOCK_REQUIRED,
  9997. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9998. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9999. .mdio_ctrl = 0,
  10000. .supported = (SUPPORTED_10000baseT_Full |
  10001. SUPPORTED_2500baseX_Full |
  10002. SUPPORTED_1000baseT_Full |
  10003. SUPPORTED_FIBRE |
  10004. SUPPORTED_Autoneg |
  10005. SUPPORTED_Pause |
  10006. SUPPORTED_Asym_Pause),
  10007. .media_type = ETH_PHY_KR,
  10008. .ver_addr = 0,
  10009. .req_flow_ctrl = 0,
  10010. .req_line_speed = 0,
  10011. .speed_cap_mask = 0,
  10012. .req_duplex = 0,
  10013. .rsrv = 0,
  10014. .config_init = (config_init_t)bnx2x_8073_config_init,
  10015. .read_status = (read_status_t)bnx2x_8073_read_status,
  10016. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10017. .config_loopback = (config_loopback_t)NULL,
  10018. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10019. .hw_reset = (hw_reset_t)NULL,
  10020. .set_link_led = (set_link_led_t)NULL,
  10021. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10022. };
  10023. static struct bnx2x_phy phy_8705 = {
  10024. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10025. .addr = 0xff,
  10026. .def_md_devad = 0,
  10027. .flags = FLAGS_INIT_XGXS_FIRST,
  10028. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10029. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10030. .mdio_ctrl = 0,
  10031. .supported = (SUPPORTED_10000baseT_Full |
  10032. SUPPORTED_FIBRE |
  10033. SUPPORTED_Pause |
  10034. SUPPORTED_Asym_Pause),
  10035. .media_type = ETH_PHY_XFP_FIBER,
  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_8705_config_init,
  10043. .read_status = (read_status_t)bnx2x_8705_read_status,
  10044. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10045. .config_loopback = (config_loopback_t)NULL,
  10046. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  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 struct bnx2x_phy phy_8706 = {
  10052. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10053. .addr = 0xff,
  10054. .def_md_devad = 0,
  10055. .flags = FLAGS_INIT_XGXS_FIRST,
  10056. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10057. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10058. .mdio_ctrl = 0,
  10059. .supported = (SUPPORTED_10000baseT_Full |
  10060. SUPPORTED_1000baseT_Full |
  10061. SUPPORTED_FIBRE |
  10062. SUPPORTED_Pause |
  10063. SUPPORTED_Asym_Pause),
  10064. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10065. .ver_addr = 0,
  10066. .req_flow_ctrl = 0,
  10067. .req_line_speed = 0,
  10068. .speed_cap_mask = 0,
  10069. .req_duplex = 0,
  10070. .rsrv = 0,
  10071. .config_init = (config_init_t)bnx2x_8706_config_init,
  10072. .read_status = (read_status_t)bnx2x_8706_read_status,
  10073. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10074. .config_loopback = (config_loopback_t)NULL,
  10075. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10076. .hw_reset = (hw_reset_t)NULL,
  10077. .set_link_led = (set_link_led_t)NULL,
  10078. .phy_specific_func = (phy_specific_func_t)NULL
  10079. };
  10080. static struct bnx2x_phy phy_8726 = {
  10081. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10082. .addr = 0xff,
  10083. .def_md_devad = 0,
  10084. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10085. FLAGS_INIT_XGXS_FIRST |
  10086. FLAGS_TX_ERROR_CHECK),
  10087. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10088. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10089. .mdio_ctrl = 0,
  10090. .supported = (SUPPORTED_10000baseT_Full |
  10091. SUPPORTED_1000baseT_Full |
  10092. SUPPORTED_Autoneg |
  10093. SUPPORTED_FIBRE |
  10094. SUPPORTED_Pause |
  10095. SUPPORTED_Asym_Pause),
  10096. .media_type = ETH_PHY_NOT_PRESENT,
  10097. .ver_addr = 0,
  10098. .req_flow_ctrl = 0,
  10099. .req_line_speed = 0,
  10100. .speed_cap_mask = 0,
  10101. .req_duplex = 0,
  10102. .rsrv = 0,
  10103. .config_init = (config_init_t)bnx2x_8726_config_init,
  10104. .read_status = (read_status_t)bnx2x_8726_read_status,
  10105. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10106. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10107. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10108. .hw_reset = (hw_reset_t)NULL,
  10109. .set_link_led = (set_link_led_t)NULL,
  10110. .phy_specific_func = (phy_specific_func_t)NULL
  10111. };
  10112. static struct bnx2x_phy phy_8727 = {
  10113. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10114. .addr = 0xff,
  10115. .def_md_devad = 0,
  10116. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10117. FLAGS_TX_ERROR_CHECK),
  10118. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10119. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10120. .mdio_ctrl = 0,
  10121. .supported = (SUPPORTED_10000baseT_Full |
  10122. SUPPORTED_1000baseT_Full |
  10123. SUPPORTED_FIBRE |
  10124. SUPPORTED_Pause |
  10125. SUPPORTED_Asym_Pause),
  10126. .media_type = ETH_PHY_NOT_PRESENT,
  10127. .ver_addr = 0,
  10128. .req_flow_ctrl = 0,
  10129. .req_line_speed = 0,
  10130. .speed_cap_mask = 0,
  10131. .req_duplex = 0,
  10132. .rsrv = 0,
  10133. .config_init = (config_init_t)bnx2x_8727_config_init,
  10134. .read_status = (read_status_t)bnx2x_8727_read_status,
  10135. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10136. .config_loopback = (config_loopback_t)NULL,
  10137. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10138. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10139. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10140. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10141. };
  10142. static struct bnx2x_phy phy_8481 = {
  10143. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10144. .addr = 0xff,
  10145. .def_md_devad = 0,
  10146. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10147. FLAGS_REARM_LATCH_SIGNAL,
  10148. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10149. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10150. .mdio_ctrl = 0,
  10151. .supported = (SUPPORTED_10baseT_Half |
  10152. SUPPORTED_10baseT_Full |
  10153. SUPPORTED_100baseT_Half |
  10154. SUPPORTED_100baseT_Full |
  10155. SUPPORTED_1000baseT_Full |
  10156. SUPPORTED_10000baseT_Full |
  10157. SUPPORTED_TP |
  10158. SUPPORTED_Autoneg |
  10159. SUPPORTED_Pause |
  10160. SUPPORTED_Asym_Pause),
  10161. .media_type = ETH_PHY_BASE_T,
  10162. .ver_addr = 0,
  10163. .req_flow_ctrl = 0,
  10164. .req_line_speed = 0,
  10165. .speed_cap_mask = 0,
  10166. .req_duplex = 0,
  10167. .rsrv = 0,
  10168. .config_init = (config_init_t)bnx2x_8481_config_init,
  10169. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10170. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10171. .config_loopback = (config_loopback_t)NULL,
  10172. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10173. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10174. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10175. .phy_specific_func = (phy_specific_func_t)NULL
  10176. };
  10177. static struct bnx2x_phy phy_84823 = {
  10178. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10179. .addr = 0xff,
  10180. .def_md_devad = 0,
  10181. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10182. FLAGS_REARM_LATCH_SIGNAL |
  10183. FLAGS_TX_ERROR_CHECK),
  10184. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10185. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10186. .mdio_ctrl = 0,
  10187. .supported = (SUPPORTED_10baseT_Half |
  10188. SUPPORTED_10baseT_Full |
  10189. SUPPORTED_100baseT_Half |
  10190. SUPPORTED_100baseT_Full |
  10191. SUPPORTED_1000baseT_Full |
  10192. SUPPORTED_10000baseT_Full |
  10193. SUPPORTED_TP |
  10194. SUPPORTED_Autoneg |
  10195. SUPPORTED_Pause |
  10196. SUPPORTED_Asym_Pause),
  10197. .media_type = ETH_PHY_BASE_T,
  10198. .ver_addr = 0,
  10199. .req_flow_ctrl = 0,
  10200. .req_line_speed = 0,
  10201. .speed_cap_mask = 0,
  10202. .req_duplex = 0,
  10203. .rsrv = 0,
  10204. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10205. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10206. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10207. .config_loopback = (config_loopback_t)NULL,
  10208. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10209. .hw_reset = (hw_reset_t)NULL,
  10210. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10211. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10212. };
  10213. static struct bnx2x_phy phy_84833 = {
  10214. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10215. .addr = 0xff,
  10216. .def_md_devad = 0,
  10217. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10218. FLAGS_REARM_LATCH_SIGNAL |
  10219. FLAGS_TX_ERROR_CHECK),
  10220. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10221. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10222. .mdio_ctrl = 0,
  10223. .supported = (SUPPORTED_100baseT_Half |
  10224. SUPPORTED_100baseT_Full |
  10225. SUPPORTED_1000baseT_Full |
  10226. SUPPORTED_10000baseT_Full |
  10227. SUPPORTED_TP |
  10228. SUPPORTED_Autoneg |
  10229. SUPPORTED_Pause |
  10230. SUPPORTED_Asym_Pause),
  10231. .media_type = ETH_PHY_BASE_T,
  10232. .ver_addr = 0,
  10233. .req_flow_ctrl = 0,
  10234. .req_line_speed = 0,
  10235. .speed_cap_mask = 0,
  10236. .req_duplex = 0,
  10237. .rsrv = 0,
  10238. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10239. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10240. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10241. .config_loopback = (config_loopback_t)NULL,
  10242. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10243. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10244. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10245. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10246. };
  10247. static struct bnx2x_phy phy_54618se = {
  10248. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10249. .addr = 0xff,
  10250. .def_md_devad = 0,
  10251. .flags = FLAGS_INIT_XGXS_FIRST,
  10252. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10253. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10254. .mdio_ctrl = 0,
  10255. .supported = (SUPPORTED_10baseT_Half |
  10256. SUPPORTED_10baseT_Full |
  10257. SUPPORTED_100baseT_Half |
  10258. SUPPORTED_100baseT_Full |
  10259. SUPPORTED_1000baseT_Full |
  10260. SUPPORTED_TP |
  10261. SUPPORTED_Autoneg |
  10262. SUPPORTED_Pause |
  10263. SUPPORTED_Asym_Pause),
  10264. .media_type = ETH_PHY_BASE_T,
  10265. .ver_addr = 0,
  10266. .req_flow_ctrl = 0,
  10267. .req_line_speed = 0,
  10268. .speed_cap_mask = 0,
  10269. /* req_duplex = */0,
  10270. /* rsrv = */0,
  10271. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10272. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10273. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10274. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10275. .format_fw_ver = (format_fw_ver_t)NULL,
  10276. .hw_reset = (hw_reset_t)NULL,
  10277. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10278. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10279. };
  10280. /*****************************************************************/
  10281. /* */
  10282. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10283. /* */
  10284. /*****************************************************************/
  10285. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10286. struct bnx2x_phy *phy, u8 port,
  10287. u8 phy_index)
  10288. {
  10289. /* Get the 4 lanes xgxs config rx and tx */
  10290. u32 rx = 0, tx = 0, i;
  10291. for (i = 0; i < 2; i++) {
  10292. /* INT_PHY and EXT_PHY1 share the same value location in
  10293. * the shmem. When num_phys is greater than 1, than this value
  10294. * applies only to EXT_PHY1
  10295. */
  10296. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10297. rx = REG_RD(bp, shmem_base +
  10298. offsetof(struct shmem_region,
  10299. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10300. tx = REG_RD(bp, shmem_base +
  10301. offsetof(struct shmem_region,
  10302. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10303. } else {
  10304. rx = REG_RD(bp, shmem_base +
  10305. offsetof(struct shmem_region,
  10306. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10307. tx = REG_RD(bp, shmem_base +
  10308. offsetof(struct shmem_region,
  10309. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10310. }
  10311. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10312. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10313. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10314. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10315. }
  10316. }
  10317. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10318. u8 phy_index, u8 port)
  10319. {
  10320. u32 ext_phy_config = 0;
  10321. switch (phy_index) {
  10322. case EXT_PHY1:
  10323. ext_phy_config = REG_RD(bp, shmem_base +
  10324. offsetof(struct shmem_region,
  10325. dev_info.port_hw_config[port].external_phy_config));
  10326. break;
  10327. case EXT_PHY2:
  10328. ext_phy_config = REG_RD(bp, shmem_base +
  10329. offsetof(struct shmem_region,
  10330. dev_info.port_hw_config[port].external_phy_config2));
  10331. break;
  10332. default:
  10333. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10334. return -EINVAL;
  10335. }
  10336. return ext_phy_config;
  10337. }
  10338. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10339. struct bnx2x_phy *phy)
  10340. {
  10341. u32 phy_addr;
  10342. u32 chip_id;
  10343. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10344. offsetof(struct shmem_region,
  10345. dev_info.port_feature_config[port].link_config)) &
  10346. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10347. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10348. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10349. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10350. if (USES_WARPCORE(bp)) {
  10351. u32 serdes_net_if;
  10352. phy_addr = REG_RD(bp,
  10353. MISC_REG_WC0_CTRL_PHY_ADDR);
  10354. *phy = phy_warpcore;
  10355. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10356. phy->flags |= FLAGS_4_PORT_MODE;
  10357. else
  10358. phy->flags &= ~FLAGS_4_PORT_MODE;
  10359. /* Check Dual mode */
  10360. serdes_net_if = (REG_RD(bp, shmem_base +
  10361. offsetof(struct shmem_region, dev_info.
  10362. port_hw_config[port].default_cfg)) &
  10363. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10364. /* Set the appropriate supported and flags indications per
  10365. * interface type of the chip
  10366. */
  10367. switch (serdes_net_if) {
  10368. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10369. phy->supported &= (SUPPORTED_10baseT_Half |
  10370. SUPPORTED_10baseT_Full |
  10371. SUPPORTED_100baseT_Half |
  10372. SUPPORTED_100baseT_Full |
  10373. SUPPORTED_1000baseT_Full |
  10374. SUPPORTED_FIBRE |
  10375. SUPPORTED_Autoneg |
  10376. SUPPORTED_Pause |
  10377. SUPPORTED_Asym_Pause);
  10378. phy->media_type = ETH_PHY_BASE_T;
  10379. break;
  10380. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10381. phy->supported &= (SUPPORTED_1000baseT_Full |
  10382. SUPPORTED_10000baseT_Full |
  10383. SUPPORTED_FIBRE |
  10384. SUPPORTED_Pause |
  10385. SUPPORTED_Asym_Pause);
  10386. phy->media_type = ETH_PHY_XFP_FIBER;
  10387. break;
  10388. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10389. phy->supported &= (SUPPORTED_1000baseT_Full |
  10390. SUPPORTED_10000baseT_Full |
  10391. SUPPORTED_FIBRE |
  10392. SUPPORTED_Pause |
  10393. SUPPORTED_Asym_Pause);
  10394. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10395. break;
  10396. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10397. phy->media_type = ETH_PHY_KR;
  10398. phy->supported &= (SUPPORTED_1000baseT_Full |
  10399. SUPPORTED_10000baseT_Full |
  10400. SUPPORTED_FIBRE |
  10401. SUPPORTED_Autoneg |
  10402. SUPPORTED_Pause |
  10403. SUPPORTED_Asym_Pause);
  10404. break;
  10405. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10406. phy->media_type = ETH_PHY_KR;
  10407. phy->flags |= FLAGS_WC_DUAL_MODE;
  10408. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10409. SUPPORTED_FIBRE |
  10410. SUPPORTED_Pause |
  10411. SUPPORTED_Asym_Pause);
  10412. break;
  10413. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10414. phy->media_type = ETH_PHY_KR;
  10415. phy->flags |= FLAGS_WC_DUAL_MODE;
  10416. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10417. SUPPORTED_Autoneg |
  10418. SUPPORTED_FIBRE |
  10419. SUPPORTED_Pause |
  10420. SUPPORTED_Asym_Pause);
  10421. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10422. break;
  10423. default:
  10424. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10425. serdes_net_if);
  10426. break;
  10427. }
  10428. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10429. * was not set as expected. For B0, ECO will be enabled so there
  10430. * won't be an issue there
  10431. */
  10432. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10433. phy->flags |= FLAGS_MDC_MDIO_WA;
  10434. else
  10435. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10436. } else {
  10437. switch (switch_cfg) {
  10438. case SWITCH_CFG_1G:
  10439. phy_addr = REG_RD(bp,
  10440. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10441. port * 0x10);
  10442. *phy = phy_serdes;
  10443. break;
  10444. case SWITCH_CFG_10G:
  10445. phy_addr = REG_RD(bp,
  10446. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10447. port * 0x18);
  10448. *phy = phy_xgxs;
  10449. break;
  10450. default:
  10451. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10452. return -EINVAL;
  10453. }
  10454. }
  10455. phy->addr = (u8)phy_addr;
  10456. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10457. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10458. port);
  10459. if (CHIP_IS_E2(bp))
  10460. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10461. else
  10462. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10463. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10464. port, phy->addr, phy->mdio_ctrl);
  10465. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10466. return 0;
  10467. }
  10468. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10469. u8 phy_index,
  10470. u32 shmem_base,
  10471. u32 shmem2_base,
  10472. u8 port,
  10473. struct bnx2x_phy *phy)
  10474. {
  10475. u32 ext_phy_config, phy_type, config2;
  10476. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10477. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10478. phy_index, port);
  10479. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10480. /* Select the phy type */
  10481. switch (phy_type) {
  10482. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10483. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10484. *phy = phy_8073;
  10485. break;
  10486. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10487. *phy = phy_8705;
  10488. break;
  10489. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10490. *phy = phy_8706;
  10491. break;
  10492. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10493. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10494. *phy = phy_8726;
  10495. break;
  10496. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10497. /* BCM8727_NOC => BCM8727 no over current */
  10498. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10499. *phy = phy_8727;
  10500. phy->flags |= FLAGS_NOC;
  10501. break;
  10502. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10503. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10504. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10505. *phy = phy_8727;
  10506. break;
  10507. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10508. *phy = phy_8481;
  10509. break;
  10510. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10511. *phy = phy_84823;
  10512. break;
  10513. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10514. *phy = phy_84833;
  10515. break;
  10516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10517. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10518. *phy = phy_54618se;
  10519. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10520. phy->flags |= FLAGS_EEE;
  10521. break;
  10522. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10523. *phy = phy_7101;
  10524. break;
  10525. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10526. *phy = phy_null;
  10527. return -EINVAL;
  10528. default:
  10529. *phy = phy_null;
  10530. /* In case external PHY wasn't found */
  10531. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10532. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10533. return -EINVAL;
  10534. return 0;
  10535. }
  10536. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10537. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10538. /* The shmem address of the phy version is located on different
  10539. * structures. In case this structure is too old, do not set
  10540. * the address
  10541. */
  10542. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10543. dev_info.shared_hw_config.config2));
  10544. if (phy_index == EXT_PHY1) {
  10545. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10546. port_mb[port].ext_phy_fw_version);
  10547. /* Check specific mdc mdio settings */
  10548. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10549. mdc_mdio_access = config2 &
  10550. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10551. } else {
  10552. u32 size = REG_RD(bp, shmem2_base);
  10553. if (size >
  10554. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10555. phy->ver_addr = shmem2_base +
  10556. offsetof(struct shmem2_region,
  10557. ext_phy_fw_version2[port]);
  10558. }
  10559. /* Check specific mdc mdio settings */
  10560. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10561. mdc_mdio_access = (config2 &
  10562. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10563. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10564. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10565. }
  10566. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10567. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10568. (phy->ver_addr)) {
  10569. /* Remove 100Mb link supported for BCM84833 when phy fw
  10570. * version lower than or equal to 1.39
  10571. */
  10572. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10573. if (((raw_ver & 0x7F) <= 39) &&
  10574. (((raw_ver & 0xF80) >> 7) <= 1))
  10575. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10576. SUPPORTED_100baseT_Full);
  10577. }
  10578. /* In case mdc/mdio_access of the external phy is different than the
  10579. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10580. * to prevent one port interfere with another port's CL45 operations.
  10581. */
  10582. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10583. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10584. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10585. phy_type, port, phy_index);
  10586. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10587. phy->addr, phy->mdio_ctrl);
  10588. return 0;
  10589. }
  10590. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10591. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10592. {
  10593. int status = 0;
  10594. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10595. if (phy_index == INT_PHY)
  10596. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10597. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10598. port, phy);
  10599. return status;
  10600. }
  10601. static void bnx2x_phy_def_cfg(struct link_params *params,
  10602. struct bnx2x_phy *phy,
  10603. u8 phy_index)
  10604. {
  10605. struct bnx2x *bp = params->bp;
  10606. u32 link_config;
  10607. /* Populate the default phy configuration for MF mode */
  10608. if (phy_index == EXT_PHY2) {
  10609. link_config = REG_RD(bp, params->shmem_base +
  10610. offsetof(struct shmem_region, dev_info.
  10611. port_feature_config[params->port].link_config2));
  10612. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10613. offsetof(struct shmem_region,
  10614. dev_info.
  10615. port_hw_config[params->port].speed_capability_mask2));
  10616. } else {
  10617. link_config = REG_RD(bp, params->shmem_base +
  10618. offsetof(struct shmem_region, dev_info.
  10619. port_feature_config[params->port].link_config));
  10620. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10621. offsetof(struct shmem_region,
  10622. dev_info.
  10623. port_hw_config[params->port].speed_capability_mask));
  10624. }
  10625. DP(NETIF_MSG_LINK,
  10626. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10627. phy_index, link_config, phy->speed_cap_mask);
  10628. phy->req_duplex = DUPLEX_FULL;
  10629. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10630. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10631. phy->req_duplex = DUPLEX_HALF;
  10632. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10633. phy->req_line_speed = SPEED_10;
  10634. break;
  10635. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10636. phy->req_duplex = DUPLEX_HALF;
  10637. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10638. phy->req_line_speed = SPEED_100;
  10639. break;
  10640. case PORT_FEATURE_LINK_SPEED_1G:
  10641. phy->req_line_speed = SPEED_1000;
  10642. break;
  10643. case PORT_FEATURE_LINK_SPEED_2_5G:
  10644. phy->req_line_speed = SPEED_2500;
  10645. break;
  10646. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10647. phy->req_line_speed = SPEED_10000;
  10648. break;
  10649. default:
  10650. phy->req_line_speed = SPEED_AUTO_NEG;
  10651. break;
  10652. }
  10653. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10654. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10655. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10656. break;
  10657. case PORT_FEATURE_FLOW_CONTROL_TX:
  10658. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10659. break;
  10660. case PORT_FEATURE_FLOW_CONTROL_RX:
  10661. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10662. break;
  10663. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10664. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10665. break;
  10666. default:
  10667. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10668. break;
  10669. }
  10670. }
  10671. u32 bnx2x_phy_selection(struct link_params *params)
  10672. {
  10673. u32 phy_config_swapped, prio_cfg;
  10674. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10675. phy_config_swapped = params->multi_phy_config &
  10676. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10677. prio_cfg = params->multi_phy_config &
  10678. PORT_HW_CFG_PHY_SELECTION_MASK;
  10679. if (phy_config_swapped) {
  10680. switch (prio_cfg) {
  10681. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10682. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10683. break;
  10684. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10685. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10686. break;
  10687. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10688. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10689. break;
  10690. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10691. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10692. break;
  10693. }
  10694. } else
  10695. return_cfg = prio_cfg;
  10696. return return_cfg;
  10697. }
  10698. int bnx2x_phy_probe(struct link_params *params)
  10699. {
  10700. u8 phy_index, actual_phy_idx;
  10701. u32 phy_config_swapped, sync_offset, media_types;
  10702. struct bnx2x *bp = params->bp;
  10703. struct bnx2x_phy *phy;
  10704. params->num_phys = 0;
  10705. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10706. phy_config_swapped = params->multi_phy_config &
  10707. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10708. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10709. phy_index++) {
  10710. actual_phy_idx = phy_index;
  10711. if (phy_config_swapped) {
  10712. if (phy_index == EXT_PHY1)
  10713. actual_phy_idx = EXT_PHY2;
  10714. else if (phy_index == EXT_PHY2)
  10715. actual_phy_idx = EXT_PHY1;
  10716. }
  10717. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10718. " actual_phy_idx %x\n", phy_config_swapped,
  10719. phy_index, actual_phy_idx);
  10720. phy = &params->phy[actual_phy_idx];
  10721. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10722. params->shmem2_base, params->port,
  10723. phy) != 0) {
  10724. params->num_phys = 0;
  10725. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10726. phy_index);
  10727. for (phy_index = INT_PHY;
  10728. phy_index < MAX_PHYS;
  10729. phy_index++)
  10730. *phy = phy_null;
  10731. return -EINVAL;
  10732. }
  10733. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10734. break;
  10735. if (params->feature_config_flags &
  10736. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10737. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10738. sync_offset = params->shmem_base +
  10739. offsetof(struct shmem_region,
  10740. dev_info.port_hw_config[params->port].media_type);
  10741. media_types = REG_RD(bp, sync_offset);
  10742. /* Update media type for non-PMF sync only for the first time
  10743. * In case the media type changes afterwards, it will be updated
  10744. * using the update_status function
  10745. */
  10746. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10747. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10748. actual_phy_idx))) == 0) {
  10749. media_types |= ((phy->media_type &
  10750. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10751. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10752. actual_phy_idx));
  10753. }
  10754. REG_WR(bp, sync_offset, media_types);
  10755. bnx2x_phy_def_cfg(params, phy, phy_index);
  10756. params->num_phys++;
  10757. }
  10758. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10759. return 0;
  10760. }
  10761. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10762. struct link_vars *vars)
  10763. {
  10764. struct bnx2x *bp = params->bp;
  10765. vars->link_up = 1;
  10766. vars->line_speed = SPEED_10000;
  10767. vars->duplex = DUPLEX_FULL;
  10768. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10769. vars->mac_type = MAC_TYPE_BMAC;
  10770. vars->phy_flags = PHY_XGXS_FLAG;
  10771. bnx2x_xgxs_deassert(params);
  10772. /* set bmac loopback */
  10773. bnx2x_bmac_enable(params, vars, 1, 1);
  10774. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10775. }
  10776. static void bnx2x_init_emac_loopback(struct link_params *params,
  10777. struct link_vars *vars)
  10778. {
  10779. struct bnx2x *bp = params->bp;
  10780. vars->link_up = 1;
  10781. vars->line_speed = SPEED_1000;
  10782. vars->duplex = DUPLEX_FULL;
  10783. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10784. vars->mac_type = MAC_TYPE_EMAC;
  10785. vars->phy_flags = PHY_XGXS_FLAG;
  10786. bnx2x_xgxs_deassert(params);
  10787. /* set bmac loopback */
  10788. bnx2x_emac_enable(params, vars, 1);
  10789. bnx2x_emac_program(params, vars);
  10790. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10791. }
  10792. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10793. struct link_vars *vars)
  10794. {
  10795. struct bnx2x *bp = params->bp;
  10796. vars->link_up = 1;
  10797. if (!params->req_line_speed[0])
  10798. vars->line_speed = SPEED_10000;
  10799. else
  10800. vars->line_speed = params->req_line_speed[0];
  10801. vars->duplex = DUPLEX_FULL;
  10802. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10803. vars->mac_type = MAC_TYPE_XMAC;
  10804. vars->phy_flags = PHY_XGXS_FLAG;
  10805. /* Set WC to loopback mode since link is required to provide clock
  10806. * to the XMAC in 20G mode
  10807. */
  10808. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10809. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10810. params->phy[INT_PHY].config_loopback(
  10811. &params->phy[INT_PHY],
  10812. params);
  10813. bnx2x_xmac_enable(params, vars, 1);
  10814. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10815. }
  10816. static void bnx2x_init_umac_loopback(struct link_params *params,
  10817. struct link_vars *vars)
  10818. {
  10819. struct bnx2x *bp = params->bp;
  10820. vars->link_up = 1;
  10821. vars->line_speed = SPEED_1000;
  10822. vars->duplex = DUPLEX_FULL;
  10823. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10824. vars->mac_type = MAC_TYPE_UMAC;
  10825. vars->phy_flags = PHY_XGXS_FLAG;
  10826. bnx2x_umac_enable(params, vars, 1);
  10827. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10828. }
  10829. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10830. struct link_vars *vars)
  10831. {
  10832. struct bnx2x *bp = params->bp;
  10833. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10834. vars->link_up = 1;
  10835. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10836. vars->duplex = DUPLEX_FULL;
  10837. if (params->req_line_speed[0] == SPEED_1000)
  10838. vars->line_speed = SPEED_1000;
  10839. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10840. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10841. vars->line_speed = SPEED_20000;
  10842. else
  10843. vars->line_speed = SPEED_10000;
  10844. if (!USES_WARPCORE(bp))
  10845. bnx2x_xgxs_deassert(params);
  10846. bnx2x_link_initialize(params, vars);
  10847. if (params->req_line_speed[0] == SPEED_1000) {
  10848. if (USES_WARPCORE(bp))
  10849. bnx2x_umac_enable(params, vars, 0);
  10850. else {
  10851. bnx2x_emac_program(params, vars);
  10852. bnx2x_emac_enable(params, vars, 0);
  10853. }
  10854. } else {
  10855. if (USES_WARPCORE(bp))
  10856. bnx2x_xmac_enable(params, vars, 0);
  10857. else
  10858. bnx2x_bmac_enable(params, vars, 0, 1);
  10859. }
  10860. if (params->loopback_mode == LOOPBACK_XGXS) {
  10861. /* set 10G XGXS loopback */
  10862. params->phy[INT_PHY].config_loopback(
  10863. &params->phy[INT_PHY],
  10864. params);
  10865. } else {
  10866. /* set external phy loopback */
  10867. u8 phy_index;
  10868. for (phy_index = EXT_PHY1;
  10869. phy_index < params->num_phys; phy_index++) {
  10870. if (params->phy[phy_index].config_loopback)
  10871. params->phy[phy_index].config_loopback(
  10872. &params->phy[phy_index],
  10873. params);
  10874. }
  10875. }
  10876. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10877. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10878. }
  10879. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10880. {
  10881. struct bnx2x *bp = params->bp;
  10882. u8 val = en * 0x1F;
  10883. /* Open the gate between the NIG to the BRB */
  10884. if (!CHIP_IS_E1x(bp))
  10885. val |= en * 0x20;
  10886. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10887. if (!CHIP_IS_E1(bp)) {
  10888. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10889. en*0x3);
  10890. }
  10891. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10892. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10893. }
  10894. static int bnx2x_avoid_link_flap(struct link_params *params,
  10895. struct link_vars *vars)
  10896. {
  10897. u32 phy_idx;
  10898. u32 dont_clear_stat, lfa_sts;
  10899. struct bnx2x *bp = params->bp;
  10900. /* Sync the link parameters */
  10901. bnx2x_link_status_update(params, vars);
  10902. /*
  10903. * The module verification was already done by previous link owner,
  10904. * so this call is meant only to get warning message
  10905. */
  10906. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10907. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10908. if (phy->phy_specific_func) {
  10909. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10910. phy->phy_specific_func(phy, params, PHY_INIT);
  10911. }
  10912. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10913. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10914. (phy->media_type == ETH_PHY_DA_TWINAX))
  10915. bnx2x_verify_sfp_module(phy, params);
  10916. }
  10917. lfa_sts = REG_RD(bp, params->lfa_base +
  10918. offsetof(struct shmem_lfa,
  10919. lfa_sts));
  10920. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10921. /* Re-enable the NIG/MAC */
  10922. if (CHIP_IS_E3(bp)) {
  10923. if (!dont_clear_stat) {
  10924. REG_WR(bp, GRCBASE_MISC +
  10925. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10926. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10927. params->port));
  10928. REG_WR(bp, GRCBASE_MISC +
  10929. MISC_REGISTERS_RESET_REG_2_SET,
  10930. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10931. params->port));
  10932. }
  10933. if (vars->line_speed < SPEED_10000)
  10934. bnx2x_umac_enable(params, vars, 0);
  10935. else
  10936. bnx2x_xmac_enable(params, vars, 0);
  10937. } else {
  10938. if (vars->line_speed < SPEED_10000)
  10939. bnx2x_emac_enable(params, vars, 0);
  10940. else
  10941. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10942. }
  10943. /* Increment LFA count */
  10944. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10945. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10946. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10947. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10948. /* Clear link flap reason */
  10949. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10950. REG_WR(bp, params->lfa_base +
  10951. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10952. /* Disable NIG DRAIN */
  10953. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10954. /* Enable interrupts */
  10955. bnx2x_link_int_enable(params);
  10956. return 0;
  10957. }
  10958. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10959. struct link_vars *vars,
  10960. int lfa_status)
  10961. {
  10962. u32 lfa_sts, cfg_idx, tmp_val;
  10963. struct bnx2x *bp = params->bp;
  10964. bnx2x_link_reset(params, vars, 1);
  10965. if (!params->lfa_base)
  10966. return;
  10967. /* Store the new link parameters */
  10968. REG_WR(bp, params->lfa_base +
  10969. offsetof(struct shmem_lfa, req_duplex),
  10970. params->req_duplex[0] | (params->req_duplex[1] << 16));
  10971. REG_WR(bp, params->lfa_base +
  10972. offsetof(struct shmem_lfa, req_flow_ctrl),
  10973. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  10974. REG_WR(bp, params->lfa_base +
  10975. offsetof(struct shmem_lfa, req_line_speed),
  10976. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  10977. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  10978. REG_WR(bp, params->lfa_base +
  10979. offsetof(struct shmem_lfa,
  10980. speed_cap_mask[cfg_idx]),
  10981. params->speed_cap_mask[cfg_idx]);
  10982. }
  10983. tmp_val = REG_RD(bp, params->lfa_base +
  10984. offsetof(struct shmem_lfa, additional_config));
  10985. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  10986. tmp_val |= params->req_fc_auto_adv;
  10987. REG_WR(bp, params->lfa_base +
  10988. offsetof(struct shmem_lfa, additional_config), tmp_val);
  10989. lfa_sts = REG_RD(bp, params->lfa_base +
  10990. offsetof(struct shmem_lfa, lfa_sts));
  10991. /* Clear the "Don't Clear Statistics" bit, and set reason */
  10992. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  10993. /* Set link flap reason */
  10994. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10995. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  10996. LFA_LINK_FLAP_REASON_OFFSET);
  10997. /* Increment link flap counter */
  10998. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  10999. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11000. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11001. << LINK_FLAP_COUNT_OFFSET));
  11002. REG_WR(bp, params->lfa_base +
  11003. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11004. /* Proceed with regular link initialization */
  11005. }
  11006. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11007. {
  11008. int lfa_status;
  11009. struct bnx2x *bp = params->bp;
  11010. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11011. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11012. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11013. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11014. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11015. vars->link_status = 0;
  11016. vars->phy_link_up = 0;
  11017. vars->link_up = 0;
  11018. vars->line_speed = 0;
  11019. vars->duplex = DUPLEX_FULL;
  11020. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11021. vars->mac_type = MAC_TYPE_NONE;
  11022. vars->phy_flags = 0;
  11023. /* Driver opens NIG-BRB filters */
  11024. bnx2x_set_rx_filter(params, 1);
  11025. /* Check if link flap can be avoided */
  11026. lfa_status = bnx2x_check_lfa(params);
  11027. if (lfa_status == 0) {
  11028. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11029. return bnx2x_avoid_link_flap(params, vars);
  11030. }
  11031. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11032. lfa_status);
  11033. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11034. /* Disable attentions */
  11035. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11036. (NIG_MASK_XGXS0_LINK_STATUS |
  11037. NIG_MASK_XGXS0_LINK10G |
  11038. NIG_MASK_SERDES0_LINK_STATUS |
  11039. NIG_MASK_MI_INT));
  11040. bnx2x_emac_init(params, vars);
  11041. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11042. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11043. if (params->num_phys == 0) {
  11044. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11045. return -EINVAL;
  11046. }
  11047. set_phy_vars(params, vars);
  11048. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11049. switch (params->loopback_mode) {
  11050. case LOOPBACK_BMAC:
  11051. bnx2x_init_bmac_loopback(params, vars);
  11052. break;
  11053. case LOOPBACK_EMAC:
  11054. bnx2x_init_emac_loopback(params, vars);
  11055. break;
  11056. case LOOPBACK_XMAC:
  11057. bnx2x_init_xmac_loopback(params, vars);
  11058. break;
  11059. case LOOPBACK_UMAC:
  11060. bnx2x_init_umac_loopback(params, vars);
  11061. break;
  11062. case LOOPBACK_XGXS:
  11063. case LOOPBACK_EXT_PHY:
  11064. bnx2x_init_xgxs_loopback(params, vars);
  11065. break;
  11066. default:
  11067. if (!CHIP_IS_E3(bp)) {
  11068. if (params->switch_cfg == SWITCH_CFG_10G)
  11069. bnx2x_xgxs_deassert(params);
  11070. else
  11071. bnx2x_serdes_deassert(bp, params->port);
  11072. }
  11073. bnx2x_link_initialize(params, vars);
  11074. msleep(30);
  11075. bnx2x_link_int_enable(params);
  11076. break;
  11077. }
  11078. bnx2x_update_mng(params, vars->link_status);
  11079. bnx2x_update_mng_eee(params, vars->eee_status);
  11080. return 0;
  11081. }
  11082. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11083. u8 reset_ext_phy)
  11084. {
  11085. struct bnx2x *bp = params->bp;
  11086. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11087. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11088. /* Disable attentions */
  11089. vars->link_status = 0;
  11090. bnx2x_update_mng(params, vars->link_status);
  11091. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11092. SHMEM_EEE_ACTIVE_BIT);
  11093. bnx2x_update_mng_eee(params, vars->eee_status);
  11094. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11095. (NIG_MASK_XGXS0_LINK_STATUS |
  11096. NIG_MASK_XGXS0_LINK10G |
  11097. NIG_MASK_SERDES0_LINK_STATUS |
  11098. NIG_MASK_MI_INT));
  11099. /* Activate nig drain */
  11100. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11101. /* Disable nig egress interface */
  11102. if (!CHIP_IS_E3(bp)) {
  11103. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11104. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11105. }
  11106. if (!CHIP_IS_E3(bp)) {
  11107. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11108. } else {
  11109. bnx2x_set_xmac_rxtx(params, 0);
  11110. bnx2x_set_umac_rxtx(params, 0);
  11111. }
  11112. /* Disable emac */
  11113. if (!CHIP_IS_E3(bp))
  11114. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11115. usleep_range(10000, 20000);
  11116. /* The PHY reset is controlled by GPIO 1
  11117. * Hold it as vars low
  11118. */
  11119. /* Clear link led */
  11120. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  11121. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11122. if (reset_ext_phy) {
  11123. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11124. phy_index++) {
  11125. if (params->phy[phy_index].link_reset) {
  11126. bnx2x_set_aer_mmd(params,
  11127. &params->phy[phy_index]);
  11128. params->phy[phy_index].link_reset(
  11129. &params->phy[phy_index],
  11130. params);
  11131. }
  11132. if (params->phy[phy_index].flags &
  11133. FLAGS_REARM_LATCH_SIGNAL)
  11134. clear_latch_ind = 1;
  11135. }
  11136. }
  11137. if (clear_latch_ind) {
  11138. /* Clear latching indication */
  11139. bnx2x_rearm_latch_signal(bp, port, 0);
  11140. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11141. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11142. }
  11143. if (params->phy[INT_PHY].link_reset)
  11144. params->phy[INT_PHY].link_reset(
  11145. &params->phy[INT_PHY], params);
  11146. /* Disable nig ingress interface */
  11147. if (!CHIP_IS_E3(bp)) {
  11148. /* Reset BigMac */
  11149. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11150. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11151. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11152. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11153. } else {
  11154. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11155. bnx2x_set_xumac_nig(params, 0, 0);
  11156. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11157. MISC_REGISTERS_RESET_REG_2_XMAC)
  11158. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11159. XMAC_CTRL_REG_SOFT_RESET);
  11160. }
  11161. vars->link_up = 0;
  11162. vars->phy_flags = 0;
  11163. return 0;
  11164. }
  11165. int bnx2x_lfa_reset(struct link_params *params,
  11166. struct link_vars *vars)
  11167. {
  11168. struct bnx2x *bp = params->bp;
  11169. vars->link_up = 0;
  11170. vars->phy_flags = 0;
  11171. if (!params->lfa_base)
  11172. return bnx2x_link_reset(params, vars, 1);
  11173. /*
  11174. * Activate NIG drain so that during this time the device won't send
  11175. * anything while it is unable to response.
  11176. */
  11177. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11178. /*
  11179. * Close gracefully the gate from BMAC to NIG such that no half packets
  11180. * are passed.
  11181. */
  11182. if (!CHIP_IS_E3(bp))
  11183. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11184. if (CHIP_IS_E3(bp)) {
  11185. bnx2x_set_xmac_rxtx(params, 0);
  11186. bnx2x_set_umac_rxtx(params, 0);
  11187. }
  11188. /* Wait 10ms for the pipe to clean up*/
  11189. usleep_range(10000, 20000);
  11190. /* Clean the NIG-BRB using the network filters in a way that will
  11191. * not cut a packet in the middle.
  11192. */
  11193. bnx2x_set_rx_filter(params, 0);
  11194. /*
  11195. * Re-open the gate between the BMAC and the NIG, after verifying the
  11196. * gate to the BRB is closed, otherwise packets may arrive to the
  11197. * firmware before driver had initialized it. The target is to achieve
  11198. * minimum management protocol down time.
  11199. */
  11200. if (!CHIP_IS_E3(bp))
  11201. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11202. if (CHIP_IS_E3(bp)) {
  11203. bnx2x_set_xmac_rxtx(params, 1);
  11204. bnx2x_set_umac_rxtx(params, 1);
  11205. }
  11206. /* Disable NIG drain */
  11207. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11208. return 0;
  11209. }
  11210. /****************************************************************************/
  11211. /* Common function */
  11212. /****************************************************************************/
  11213. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11214. u32 shmem_base_path[],
  11215. u32 shmem2_base_path[], u8 phy_index,
  11216. u32 chip_id)
  11217. {
  11218. struct bnx2x_phy phy[PORT_MAX];
  11219. struct bnx2x_phy *phy_blk[PORT_MAX];
  11220. u16 val;
  11221. s8 port = 0;
  11222. s8 port_of_path = 0;
  11223. u32 swap_val, swap_override;
  11224. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11225. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11226. port ^= (swap_val && swap_override);
  11227. bnx2x_ext_phy_hw_reset(bp, port);
  11228. /* PART1 - Reset both phys */
  11229. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11230. u32 shmem_base, shmem2_base;
  11231. /* In E2, same phy is using for port0 of the two paths */
  11232. if (CHIP_IS_E1x(bp)) {
  11233. shmem_base = shmem_base_path[0];
  11234. shmem2_base = shmem2_base_path[0];
  11235. port_of_path = port;
  11236. } else {
  11237. shmem_base = shmem_base_path[port];
  11238. shmem2_base = shmem2_base_path[port];
  11239. port_of_path = 0;
  11240. }
  11241. /* Extract the ext phy address for the port */
  11242. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11243. port_of_path, &phy[port]) !=
  11244. 0) {
  11245. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11246. return -EINVAL;
  11247. }
  11248. /* Disable attentions */
  11249. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11250. port_of_path*4,
  11251. (NIG_MASK_XGXS0_LINK_STATUS |
  11252. NIG_MASK_XGXS0_LINK10G |
  11253. NIG_MASK_SERDES0_LINK_STATUS |
  11254. NIG_MASK_MI_INT));
  11255. /* Need to take the phy out of low power mode in order
  11256. * to write to access its registers
  11257. */
  11258. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11259. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11260. port);
  11261. /* Reset the phy */
  11262. bnx2x_cl45_write(bp, &phy[port],
  11263. MDIO_PMA_DEVAD,
  11264. MDIO_PMA_REG_CTRL,
  11265. 1<<15);
  11266. }
  11267. /* Add delay of 150ms after reset */
  11268. msleep(150);
  11269. if (phy[PORT_0].addr & 0x1) {
  11270. phy_blk[PORT_0] = &(phy[PORT_1]);
  11271. phy_blk[PORT_1] = &(phy[PORT_0]);
  11272. } else {
  11273. phy_blk[PORT_0] = &(phy[PORT_0]);
  11274. phy_blk[PORT_1] = &(phy[PORT_1]);
  11275. }
  11276. /* PART2 - Download firmware to both phys */
  11277. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11278. if (CHIP_IS_E1x(bp))
  11279. port_of_path = port;
  11280. else
  11281. port_of_path = 0;
  11282. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11283. phy_blk[port]->addr);
  11284. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11285. port_of_path))
  11286. return -EINVAL;
  11287. /* Only set bit 10 = 1 (Tx power down) */
  11288. bnx2x_cl45_read(bp, phy_blk[port],
  11289. MDIO_PMA_DEVAD,
  11290. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11291. /* Phase1 of TX_POWER_DOWN reset */
  11292. bnx2x_cl45_write(bp, phy_blk[port],
  11293. MDIO_PMA_DEVAD,
  11294. MDIO_PMA_REG_TX_POWER_DOWN,
  11295. (val | 1<<10));
  11296. }
  11297. /* Toggle Transmitter: Power down and then up with 600ms delay
  11298. * between
  11299. */
  11300. msleep(600);
  11301. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11302. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11303. /* Phase2 of POWER_DOWN_RESET */
  11304. /* Release bit 10 (Release Tx power down) */
  11305. bnx2x_cl45_read(bp, phy_blk[port],
  11306. MDIO_PMA_DEVAD,
  11307. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11308. bnx2x_cl45_write(bp, phy_blk[port],
  11309. MDIO_PMA_DEVAD,
  11310. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11311. usleep_range(15000, 30000);
  11312. /* Read modify write the SPI-ROM version select register */
  11313. bnx2x_cl45_read(bp, phy_blk[port],
  11314. MDIO_PMA_DEVAD,
  11315. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11316. bnx2x_cl45_write(bp, phy_blk[port],
  11317. MDIO_PMA_DEVAD,
  11318. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11319. /* set GPIO2 back to LOW */
  11320. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11321. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11322. }
  11323. return 0;
  11324. }
  11325. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11326. u32 shmem_base_path[],
  11327. u32 shmem2_base_path[], u8 phy_index,
  11328. u32 chip_id)
  11329. {
  11330. u32 val;
  11331. s8 port;
  11332. struct bnx2x_phy phy;
  11333. /* Use port1 because of the static port-swap */
  11334. /* Enable the module detection interrupt */
  11335. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11336. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11337. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11338. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11339. bnx2x_ext_phy_hw_reset(bp, 0);
  11340. usleep_range(5000, 10000);
  11341. for (port = 0; port < PORT_MAX; port++) {
  11342. u32 shmem_base, shmem2_base;
  11343. /* In E2, same phy is using for port0 of the two paths */
  11344. if (CHIP_IS_E1x(bp)) {
  11345. shmem_base = shmem_base_path[0];
  11346. shmem2_base = shmem2_base_path[0];
  11347. } else {
  11348. shmem_base = shmem_base_path[port];
  11349. shmem2_base = shmem2_base_path[port];
  11350. }
  11351. /* Extract the ext phy address for the port */
  11352. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11353. port, &phy) !=
  11354. 0) {
  11355. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11356. return -EINVAL;
  11357. }
  11358. /* Reset phy*/
  11359. bnx2x_cl45_write(bp, &phy,
  11360. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11361. /* Set fault module detected LED on */
  11362. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11363. MISC_REGISTERS_GPIO_HIGH,
  11364. port);
  11365. }
  11366. return 0;
  11367. }
  11368. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11369. u8 *io_gpio, u8 *io_port)
  11370. {
  11371. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11372. offsetof(struct shmem_region,
  11373. dev_info.port_hw_config[PORT_0].default_cfg));
  11374. switch (phy_gpio_reset) {
  11375. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11376. *io_gpio = 0;
  11377. *io_port = 0;
  11378. break;
  11379. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11380. *io_gpio = 1;
  11381. *io_port = 0;
  11382. break;
  11383. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11384. *io_gpio = 2;
  11385. *io_port = 0;
  11386. break;
  11387. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11388. *io_gpio = 3;
  11389. *io_port = 0;
  11390. break;
  11391. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11392. *io_gpio = 0;
  11393. *io_port = 1;
  11394. break;
  11395. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11396. *io_gpio = 1;
  11397. *io_port = 1;
  11398. break;
  11399. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11400. *io_gpio = 2;
  11401. *io_port = 1;
  11402. break;
  11403. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11404. *io_gpio = 3;
  11405. *io_port = 1;
  11406. break;
  11407. default:
  11408. /* Don't override the io_gpio and io_port */
  11409. break;
  11410. }
  11411. }
  11412. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11413. u32 shmem_base_path[],
  11414. u32 shmem2_base_path[], u8 phy_index,
  11415. u32 chip_id)
  11416. {
  11417. s8 port, reset_gpio;
  11418. u32 swap_val, swap_override;
  11419. struct bnx2x_phy phy[PORT_MAX];
  11420. struct bnx2x_phy *phy_blk[PORT_MAX];
  11421. s8 port_of_path;
  11422. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11423. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11424. reset_gpio = MISC_REGISTERS_GPIO_1;
  11425. port = 1;
  11426. /* Retrieve the reset gpio/port which control the reset.
  11427. * Default is GPIO1, PORT1
  11428. */
  11429. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11430. (u8 *)&reset_gpio, (u8 *)&port);
  11431. /* Calculate the port based on port swap */
  11432. port ^= (swap_val && swap_override);
  11433. /* Initiate PHY reset*/
  11434. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11435. port);
  11436. usleep_range(1000, 2000);
  11437. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11438. port);
  11439. usleep_range(5000, 10000);
  11440. /* PART1 - Reset both phys */
  11441. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11442. u32 shmem_base, shmem2_base;
  11443. /* In E2, same phy is using for port0 of the two paths */
  11444. if (CHIP_IS_E1x(bp)) {
  11445. shmem_base = shmem_base_path[0];
  11446. shmem2_base = shmem2_base_path[0];
  11447. port_of_path = port;
  11448. } else {
  11449. shmem_base = shmem_base_path[port];
  11450. shmem2_base = shmem2_base_path[port];
  11451. port_of_path = 0;
  11452. }
  11453. /* Extract the ext phy address for the port */
  11454. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11455. port_of_path, &phy[port]) !=
  11456. 0) {
  11457. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11458. return -EINVAL;
  11459. }
  11460. /* disable attentions */
  11461. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11462. port_of_path*4,
  11463. (NIG_MASK_XGXS0_LINK_STATUS |
  11464. NIG_MASK_XGXS0_LINK10G |
  11465. NIG_MASK_SERDES0_LINK_STATUS |
  11466. NIG_MASK_MI_INT));
  11467. /* Reset the phy */
  11468. bnx2x_cl45_write(bp, &phy[port],
  11469. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11470. }
  11471. /* Add delay of 150ms after reset */
  11472. msleep(150);
  11473. if (phy[PORT_0].addr & 0x1) {
  11474. phy_blk[PORT_0] = &(phy[PORT_1]);
  11475. phy_blk[PORT_1] = &(phy[PORT_0]);
  11476. } else {
  11477. phy_blk[PORT_0] = &(phy[PORT_0]);
  11478. phy_blk[PORT_1] = &(phy[PORT_1]);
  11479. }
  11480. /* PART2 - Download firmware to both phys */
  11481. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11482. if (CHIP_IS_E1x(bp))
  11483. port_of_path = port;
  11484. else
  11485. port_of_path = 0;
  11486. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11487. phy_blk[port]->addr);
  11488. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11489. port_of_path))
  11490. return -EINVAL;
  11491. /* Disable PHY transmitter output */
  11492. bnx2x_cl45_write(bp, phy_blk[port],
  11493. MDIO_PMA_DEVAD,
  11494. MDIO_PMA_REG_TX_DISABLE, 1);
  11495. }
  11496. return 0;
  11497. }
  11498. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11499. u32 shmem_base_path[],
  11500. u32 shmem2_base_path[],
  11501. u8 phy_index,
  11502. u32 chip_id)
  11503. {
  11504. u8 reset_gpios;
  11505. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11506. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11507. udelay(10);
  11508. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11509. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11510. reset_gpios);
  11511. return 0;
  11512. }
  11513. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11514. struct bnx2x_phy *phy)
  11515. {
  11516. u16 val, cnt;
  11517. /* Wait for FW completing its initialization. */
  11518. for (cnt = 0; cnt < 1500; cnt++) {
  11519. bnx2x_cl45_read(bp, phy,
  11520. MDIO_PMA_DEVAD,
  11521. MDIO_PMA_REG_CTRL, &val);
  11522. if (!(val & (1<<15)))
  11523. break;
  11524. usleep_range(1000, 2000);
  11525. }
  11526. if (cnt >= 1500) {
  11527. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11528. return -EINVAL;
  11529. }
  11530. /* Put the port in super isolate mode. */
  11531. bnx2x_cl45_read(bp, phy,
  11532. MDIO_CTL_DEVAD,
  11533. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11534. val |= MDIO_84833_SUPER_ISOLATE;
  11535. bnx2x_cl45_write(bp, phy,
  11536. MDIO_CTL_DEVAD,
  11537. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11538. /* Save spirom version */
  11539. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11540. return 0;
  11541. }
  11542. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11543. u32 shmem_base,
  11544. u32 shmem2_base,
  11545. u32 chip_id)
  11546. {
  11547. int rc = 0;
  11548. struct bnx2x_phy phy;
  11549. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11550. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11551. PORT_0, &phy)) {
  11552. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11553. return -EINVAL;
  11554. }
  11555. switch (phy.type) {
  11556. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11557. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11558. break;
  11559. default:
  11560. break;
  11561. }
  11562. return rc;
  11563. }
  11564. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11565. u32 shmem2_base_path[], u8 phy_index,
  11566. u32 ext_phy_type, u32 chip_id)
  11567. {
  11568. int rc = 0;
  11569. switch (ext_phy_type) {
  11570. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11571. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11572. shmem2_base_path,
  11573. phy_index, chip_id);
  11574. break;
  11575. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11576. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11577. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11578. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11579. shmem2_base_path,
  11580. phy_index, chip_id);
  11581. break;
  11582. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11583. /* GPIO1 affects both ports, so there's need to pull
  11584. * it for single port alone
  11585. */
  11586. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11587. shmem2_base_path,
  11588. phy_index, chip_id);
  11589. break;
  11590. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11591. /* GPIO3's are linked, and so both need to be toggled
  11592. * to obtain required 2us pulse.
  11593. */
  11594. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11595. shmem2_base_path,
  11596. phy_index, chip_id);
  11597. break;
  11598. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11599. rc = -EINVAL;
  11600. break;
  11601. default:
  11602. DP(NETIF_MSG_LINK,
  11603. "ext_phy 0x%x common init not required\n",
  11604. ext_phy_type);
  11605. break;
  11606. }
  11607. if (rc)
  11608. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11609. " Port %d\n",
  11610. 0);
  11611. return rc;
  11612. }
  11613. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11614. u32 shmem2_base_path[], u32 chip_id)
  11615. {
  11616. int rc = 0;
  11617. u32 phy_ver, val;
  11618. u8 phy_index = 0;
  11619. u32 ext_phy_type, ext_phy_config;
  11620. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11621. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11622. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11623. if (CHIP_IS_E3(bp)) {
  11624. /* Enable EPIO */
  11625. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11626. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11627. }
  11628. /* Check if common init was already done */
  11629. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11630. offsetof(struct shmem_region,
  11631. port_mb[PORT_0].ext_phy_fw_version));
  11632. if (phy_ver) {
  11633. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11634. phy_ver);
  11635. return 0;
  11636. }
  11637. /* Read the ext_phy_type for arbitrary port(0) */
  11638. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11639. phy_index++) {
  11640. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11641. shmem_base_path[0],
  11642. phy_index, 0);
  11643. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11644. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11645. shmem2_base_path,
  11646. phy_index, ext_phy_type,
  11647. chip_id);
  11648. }
  11649. return rc;
  11650. }
  11651. static void bnx2x_check_over_curr(struct link_params *params,
  11652. struct link_vars *vars)
  11653. {
  11654. struct bnx2x *bp = params->bp;
  11655. u32 cfg_pin;
  11656. u8 port = params->port;
  11657. u32 pin_val;
  11658. cfg_pin = (REG_RD(bp, params->shmem_base +
  11659. offsetof(struct shmem_region,
  11660. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11661. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11662. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11663. /* Ignore check if no external input PIN available */
  11664. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11665. return;
  11666. if (!pin_val) {
  11667. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11668. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11669. " been detected and the power to "
  11670. "that SFP+ module has been removed"
  11671. " to prevent failure of the card."
  11672. " Please remove the SFP+ module and"
  11673. " restart the system to clear this"
  11674. " error.\n",
  11675. params->port);
  11676. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11677. }
  11678. } else
  11679. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11680. }
  11681. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11682. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11683. struct link_vars *vars, u32 status,
  11684. u32 phy_flag, u32 link_flag, u8 notify)
  11685. {
  11686. struct bnx2x *bp = params->bp;
  11687. /* Compare new value with previous value */
  11688. u8 led_mode;
  11689. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11690. if ((status ^ old_status) == 0)
  11691. return 0;
  11692. /* If values differ */
  11693. switch (phy_flag) {
  11694. case PHY_HALF_OPEN_CONN_FLAG:
  11695. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11696. break;
  11697. case PHY_SFP_TX_FAULT_FLAG:
  11698. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11699. break;
  11700. default:
  11701. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11702. }
  11703. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11704. old_status, status);
  11705. /* a. Update shmem->link_status accordingly
  11706. * b. Update link_vars->link_up
  11707. */
  11708. if (status) {
  11709. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11710. vars->link_status |= link_flag;
  11711. vars->link_up = 0;
  11712. vars->phy_flags |= phy_flag;
  11713. /* activate nig drain */
  11714. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11715. /* Set LED mode to off since the PHY doesn't know about these
  11716. * errors
  11717. */
  11718. led_mode = LED_MODE_OFF;
  11719. } else {
  11720. vars->link_status |= LINK_STATUS_LINK_UP;
  11721. vars->link_status &= ~link_flag;
  11722. vars->link_up = 1;
  11723. vars->phy_flags &= ~phy_flag;
  11724. led_mode = LED_MODE_OPER;
  11725. /* Clear nig drain */
  11726. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11727. }
  11728. bnx2x_sync_link(params, vars);
  11729. /* Update the LED according to the link state */
  11730. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11731. /* Update link status in the shared memory */
  11732. bnx2x_update_mng(params, vars->link_status);
  11733. /* C. Trigger General Attention */
  11734. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11735. if (notify)
  11736. bnx2x_notify_link_changed(bp);
  11737. return 1;
  11738. }
  11739. /******************************************************************************
  11740. * Description:
  11741. * This function checks for half opened connection change indication.
  11742. * When such change occurs, it calls the bnx2x_analyze_link_error
  11743. * to check if Remote Fault is set or cleared. Reception of remote fault
  11744. * status message in the MAC indicates that the peer's MAC has detected
  11745. * a fault, for example, due to break in the TX side of fiber.
  11746. *
  11747. ******************************************************************************/
  11748. int bnx2x_check_half_open_conn(struct link_params *params,
  11749. struct link_vars *vars,
  11750. u8 notify)
  11751. {
  11752. struct bnx2x *bp = params->bp;
  11753. u32 lss_status = 0;
  11754. u32 mac_base;
  11755. /* In case link status is physically up @ 10G do */
  11756. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11757. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11758. return 0;
  11759. if (CHIP_IS_E3(bp) &&
  11760. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11761. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11762. /* Check E3 XMAC */
  11763. /* Note that link speed cannot be queried here, since it may be
  11764. * zero while link is down. In case UMAC is active, LSS will
  11765. * simply not be set
  11766. */
  11767. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11768. /* Clear stick bits (Requires rising edge) */
  11769. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11770. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11771. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11772. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11773. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11774. lss_status = 1;
  11775. bnx2x_analyze_link_error(params, vars, lss_status,
  11776. PHY_HALF_OPEN_CONN_FLAG,
  11777. LINK_STATUS_NONE, notify);
  11778. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11779. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11780. /* Check E1X / E2 BMAC */
  11781. u32 lss_status_reg;
  11782. u32 wb_data[2];
  11783. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11784. NIG_REG_INGRESS_BMAC0_MEM;
  11785. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11786. if (CHIP_IS_E2(bp))
  11787. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11788. else
  11789. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11790. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11791. lss_status = (wb_data[0] > 0);
  11792. bnx2x_analyze_link_error(params, vars, lss_status,
  11793. PHY_HALF_OPEN_CONN_FLAG,
  11794. LINK_STATUS_NONE, notify);
  11795. }
  11796. return 0;
  11797. }
  11798. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11799. struct link_params *params,
  11800. struct link_vars *vars)
  11801. {
  11802. struct bnx2x *bp = params->bp;
  11803. u32 cfg_pin, value = 0;
  11804. u8 led_change, port = params->port;
  11805. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11806. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11807. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11808. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11809. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11810. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11811. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11812. return;
  11813. }
  11814. led_change = bnx2x_analyze_link_error(params, vars, value,
  11815. PHY_SFP_TX_FAULT_FLAG,
  11816. LINK_STATUS_SFP_TX_FAULT, 1);
  11817. if (led_change) {
  11818. /* Change TX_Fault led, set link status for further syncs */
  11819. u8 led_mode;
  11820. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11821. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11822. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11823. } else {
  11824. led_mode = MISC_REGISTERS_GPIO_LOW;
  11825. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11826. }
  11827. /* If module is unapproved, led should be on regardless */
  11828. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11829. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11830. led_mode);
  11831. bnx2x_set_e3_module_fault_led(params, led_mode);
  11832. }
  11833. }
  11834. }
  11835. static void bnx2x_disable_kr2(struct link_params *params,
  11836. struct link_vars *vars,
  11837. struct bnx2x_phy *phy)
  11838. {
  11839. struct bnx2x *bp = params->bp;
  11840. int i;
  11841. static struct bnx2x_reg_set reg_set[] = {
  11842. /* Step 1 - Program the TX/RX alignment markers */
  11843. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11844. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11845. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11846. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11847. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11848. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11849. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11850. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11851. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11852. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11853. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11854. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11855. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11856. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11857. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11858. };
  11859. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11860. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  11861. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11862. reg_set[i].val);
  11863. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11864. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11865. /* Restart AN on leading lane */
  11866. bnx2x_warpcore_restart_AN_KR(phy, params);
  11867. }
  11868. static void bnx2x_kr2_recovery(struct link_params *params,
  11869. struct link_vars *vars,
  11870. struct bnx2x_phy *phy)
  11871. {
  11872. struct bnx2x *bp = params->bp;
  11873. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11874. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11875. bnx2x_warpcore_restart_AN_KR(phy, params);
  11876. }
  11877. static void bnx2x_check_kr2_wa(struct link_params *params,
  11878. struct link_vars *vars,
  11879. struct bnx2x_phy *phy)
  11880. {
  11881. struct bnx2x *bp = params->bp;
  11882. u16 base_page, next_page, not_kr2_device, lane;
  11883. int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11884. if (!sigdet) {
  11885. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11886. bnx2x_kr2_recovery(params, vars, phy);
  11887. return;
  11888. }
  11889. lane = bnx2x_get_warpcore_lane(phy, params);
  11890. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11891. MDIO_AER_BLOCK_AER_REG, lane);
  11892. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11893. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11894. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11895. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11896. bnx2x_set_aer_mmd(params, phy);
  11897. /* CL73 has not begun yet */
  11898. if (base_page == 0) {
  11899. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11900. bnx2x_kr2_recovery(params, vars, phy);
  11901. return;
  11902. }
  11903. /* In case NP bit is not set in the BasePage, or it is set,
  11904. * but only KX is advertised, declare this link partner as non-KR2
  11905. * device.
  11906. */
  11907. not_kr2_device = (((base_page & 0x8000) == 0) ||
  11908. (((base_page & 0x8000) &&
  11909. ((next_page & 0xe0) == 0x2))));
  11910. /* In case KR2 is already disabled, check if we need to re-enable it */
  11911. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11912. if (!not_kr2_device) {
  11913. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  11914. next_page);
  11915. bnx2x_kr2_recovery(params, vars, phy);
  11916. }
  11917. return;
  11918. }
  11919. /* KR2 is enabled, but not KR2 device */
  11920. if (not_kr2_device) {
  11921. /* Disable KR2 on both lanes */
  11922. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  11923. bnx2x_disable_kr2(params, vars, phy);
  11924. return;
  11925. }
  11926. }
  11927. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11928. {
  11929. u16 phy_idx;
  11930. struct bnx2x *bp = params->bp;
  11931. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11932. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11933. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11934. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11935. 0)
  11936. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11937. break;
  11938. }
  11939. }
  11940. if (CHIP_IS_E3(bp)) {
  11941. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11942. bnx2x_set_aer_mmd(params, phy);
  11943. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  11944. (phy->speed_cap_mask & SPEED_20000))
  11945. bnx2x_check_kr2_wa(params, vars, phy);
  11946. bnx2x_check_over_curr(params, vars);
  11947. if (vars->rx_tx_asic_rst)
  11948. bnx2x_warpcore_config_runtime(phy, params, vars);
  11949. if ((REG_RD(bp, params->shmem_base +
  11950. offsetof(struct shmem_region, dev_info.
  11951. port_hw_config[params->port].default_cfg))
  11952. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11953. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11954. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11955. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11956. } else if (vars->link_status &
  11957. LINK_STATUS_SFP_TX_FAULT) {
  11958. /* Clean trail, interrupt corrects the leds */
  11959. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11960. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11961. /* Update link status in the shared memory */
  11962. bnx2x_update_mng(params, vars->link_status);
  11963. }
  11964. }
  11965. }
  11966. }
  11967. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11968. {
  11969. u8 phy_index;
  11970. struct bnx2x_phy phy;
  11971. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11972. phy_index++) {
  11973. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11974. 0, &phy) != 0) {
  11975. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11976. return 0;
  11977. }
  11978. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11979. return 1;
  11980. }
  11981. return 0;
  11982. }
  11983. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11984. u32 shmem_base,
  11985. u32 shmem2_base,
  11986. u8 port)
  11987. {
  11988. u8 phy_index, fan_failure_det_req = 0;
  11989. struct bnx2x_phy phy;
  11990. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11991. phy_index++) {
  11992. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11993. port, &phy)
  11994. != 0) {
  11995. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11996. return 0;
  11997. }
  11998. fan_failure_det_req |= (phy.flags &
  11999. FLAGS_FAN_FAILURE_DET_REQ);
  12000. }
  12001. return fan_failure_det_req;
  12002. }
  12003. void bnx2x_hw_reset_phy(struct link_params *params)
  12004. {
  12005. u8 phy_index;
  12006. struct bnx2x *bp = params->bp;
  12007. bnx2x_update_mng(params, 0);
  12008. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12009. (NIG_MASK_XGXS0_LINK_STATUS |
  12010. NIG_MASK_XGXS0_LINK10G |
  12011. NIG_MASK_SERDES0_LINK_STATUS |
  12012. NIG_MASK_MI_INT));
  12013. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12014. phy_index++) {
  12015. if (params->phy[phy_index].hw_reset) {
  12016. params->phy[phy_index].hw_reset(
  12017. &params->phy[phy_index],
  12018. params);
  12019. params->phy[phy_index] = phy_null;
  12020. }
  12021. }
  12022. }
  12023. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12024. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12025. u8 port)
  12026. {
  12027. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12028. u32 val;
  12029. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12030. if (CHIP_IS_E3(bp)) {
  12031. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12032. shmem_base,
  12033. port,
  12034. &gpio_num,
  12035. &gpio_port) != 0)
  12036. return;
  12037. } else {
  12038. struct bnx2x_phy phy;
  12039. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12040. phy_index++) {
  12041. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12042. shmem2_base, port, &phy)
  12043. != 0) {
  12044. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12045. return;
  12046. }
  12047. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12048. gpio_num = MISC_REGISTERS_GPIO_3;
  12049. gpio_port = port;
  12050. break;
  12051. }
  12052. }
  12053. }
  12054. if (gpio_num == 0xff)
  12055. return;
  12056. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12057. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12058. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12059. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12060. gpio_port ^= (swap_val && swap_override);
  12061. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12062. (gpio_num + (gpio_port << 2));
  12063. sync_offset = shmem_base +
  12064. offsetof(struct shmem_region,
  12065. dev_info.port_hw_config[port].aeu_int_mask);
  12066. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12067. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12068. gpio_num, gpio_port, vars->aeu_int_mask);
  12069. if (port == 0)
  12070. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12071. else
  12072. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12073. /* Open appropriate AEU for interrupts */
  12074. aeu_mask = REG_RD(bp, offset);
  12075. aeu_mask |= vars->aeu_int_mask;
  12076. REG_WR(bp, offset, aeu_mask);
  12077. /* Enable the GPIO to trigger interrupt */
  12078. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12079. val |= 1 << (gpio_num + (gpio_port << 2));
  12080. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12081. }