bnx2x_link.c 368 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086408740884089409040914092409340944095409640974098409941004101410241034104410541064107410841094110411141124113411441154116411741184119412041214122412341244125412641274128412941304131413241334134413541364137413841394140414141424143414441454146414741484149415041514152415341544155415641574158415941604161416241634164416541664167416841694170417141724173417441754176417741784179418041814182418341844185418641874188418941904191419241934194419541964197419841994200420142024203420442054206420742084209421042114212421342144215421642174218421942204221422242234224422542264227422842294230423142324233423442354236423742384239424042414242424342444245424642474248424942504251425242534254425542564257425842594260426142624263426442654266426742684269427042714272427342744275427642774278427942804281428242834284428542864287428842894290429142924293429442954296429742984299430043014302430343044305430643074308430943104311431243134314431543164317431843194320432143224323432443254326432743284329433043314332433343344335433643374338433943404341434243434344434543464347434843494350435143524353435443554356435743584359436043614362436343644365436643674368436943704371437243734374437543764377437843794380438143824383438443854386438743884389439043914392439343944395439643974398439944004401440244034404440544064407440844094410441144124413441444154416441744184419442044214422442344244425442644274428442944304431443244334434443544364437443844394440444144424443444444454446444744484449445044514452445344544455445644574458445944604461446244634464446544664467446844694470447144724473447444754476447744784479448044814482448344844485448644874488448944904491449244934494449544964497449844994500450145024503450445054506450745084509451045114512451345144515451645174518451945204521452245234524452545264527452845294530453145324533453445354536453745384539454045414542454345444545454645474548454945504551455245534554455545564557455845594560456145624563456445654566456745684569457045714572457345744575457645774578457945804581458245834584458545864587458845894590459145924593459445954596459745984599460046014602460346044605460646074608460946104611461246134614461546164617461846194620462146224623462446254626462746284629463046314632463346344635463646374638463946404641464246434644464546464647464846494650465146524653465446554656465746584659466046614662466346644665466646674668466946704671467246734674467546764677467846794680468146824683468446854686468746884689469046914692469346944695469646974698469947004701470247034704470547064707470847094710471147124713471447154716471747184719472047214722472347244725472647274728472947304731473247334734473547364737473847394740474147424743474447454746474747484749475047514752475347544755475647574758475947604761476247634764476547664767476847694770477147724773477447754776477747784779478047814782478347844785478647874788478947904791479247934794479547964797479847994800480148024803480448054806480748084809481048114812481348144815481648174818481948204821482248234824482548264827482848294830483148324833483448354836483748384839484048414842484348444845484648474848484948504851485248534854485548564857485848594860486148624863486448654866486748684869487048714872487348744875487648774878487948804881488248834884488548864887488848894890489148924893489448954896489748984899490049014902490349044905490649074908490949104911491249134914491549164917491849194920492149224923492449254926492749284929493049314932493349344935493649374938493949404941494249434944494549464947494849494950495149524953495449554956495749584959496049614962496349644965496649674968496949704971497249734974497549764977497849794980498149824983498449854986498749884989499049914992499349944995499649974998499950005001500250035004500550065007500850095010501150125013501450155016501750185019502050215022502350245025502650275028502950305031503250335034503550365037503850395040504150425043504450455046504750485049505050515052505350545055505650575058505950605061506250635064506550665067506850695070507150725073507450755076507750785079508050815082508350845085508650875088508950905091509250935094509550965097509850995100510151025103510451055106510751085109511051115112511351145115511651175118511951205121512251235124512551265127512851295130513151325133513451355136513751385139514051415142514351445145514651475148514951505151515251535154515551565157515851595160516151625163516451655166516751685169517051715172517351745175517651775178517951805181518251835184518551865187518851895190519151925193519451955196519751985199520052015202520352045205520652075208520952105211521252135214521552165217521852195220522152225223522452255226522752285229523052315232523352345235523652375238523952405241524252435244524552465247524852495250525152525253525452555256525752585259526052615262526352645265526652675268526952705271527252735274527552765277527852795280528152825283528452855286528752885289529052915292529352945295529652975298529953005301530253035304530553065307530853095310531153125313531453155316531753185319532053215322532353245325532653275328532953305331533253335334533553365337533853395340534153425343534453455346534753485349535053515352535353545355535653575358535953605361536253635364536553665367536853695370537153725373537453755376537753785379538053815382538353845385538653875388538953905391539253935394539553965397539853995400540154025403540454055406540754085409541054115412541354145415541654175418541954205421542254235424542554265427542854295430543154325433543454355436543754385439544054415442544354445445544654475448544954505451545254535454545554565457545854595460546154625463546454655466546754685469547054715472547354745475547654775478547954805481548254835484548554865487548854895490549154925493549454955496549754985499550055015502550355045505550655075508550955105511551255135514551555165517551855195520552155225523552455255526552755285529553055315532553355345535553655375538553955405541554255435544554555465547554855495550555155525553555455555556555755585559556055615562556355645565556655675568556955705571557255735574557555765577557855795580558155825583558455855586558755885589559055915592559355945595559655975598559956005601560256035604560556065607560856095610561156125613561456155616561756185619562056215622562356245625562656275628562956305631563256335634563556365637563856395640564156425643564456455646564756485649565056515652565356545655565656575658565956605661566256635664566556665667566856695670567156725673567456755676567756785679568056815682568356845685568656875688568956905691569256935694569556965697569856995700570157025703570457055706570757085709571057115712571357145715571657175718571957205721572257235724572557265727572857295730573157325733573457355736573757385739574057415742574357445745574657475748574957505751575257535754575557565757575857595760576157625763576457655766576757685769577057715772577357745775577657775778577957805781578257835784578557865787578857895790579157925793579457955796579757985799580058015802580358045805580658075808580958105811581258135814581558165817581858195820582158225823582458255826582758285829583058315832583358345835583658375838583958405841584258435844584558465847584858495850585158525853585458555856585758585859586058615862586358645865586658675868586958705871587258735874587558765877587858795880588158825883588458855886588758885889589058915892589358945895589658975898589959005901590259035904590559065907590859095910591159125913591459155916591759185919592059215922592359245925592659275928592959305931593259335934593559365937593859395940594159425943594459455946594759485949595059515952595359545955595659575958595959605961596259635964596559665967596859695970597159725973597459755976597759785979598059815982598359845985598659875988598959905991599259935994599559965997599859996000600160026003600460056006600760086009601060116012601360146015601660176018601960206021602260236024602560266027602860296030603160326033603460356036603760386039604060416042604360446045604660476048604960506051605260536054605560566057605860596060606160626063606460656066606760686069607060716072607360746075607660776078607960806081608260836084608560866087608860896090609160926093609460956096609760986099610061016102610361046105610661076108610961106111611261136114611561166117611861196120612161226123612461256126612761286129613061316132613361346135613661376138613961406141614261436144614561466147614861496150615161526153615461556156615761586159616061616162616361646165616661676168616961706171617261736174617561766177617861796180618161826183618461856186618761886189619061916192619361946195619661976198619962006201620262036204620562066207620862096210621162126213621462156216621762186219622062216222622362246225622662276228622962306231623262336234623562366237623862396240624162426243624462456246624762486249625062516252625362546255625662576258625962606261626262636264626562666267626862696270627162726273627462756276627762786279628062816282628362846285628662876288628962906291629262936294629562966297629862996300630163026303630463056306630763086309631063116312631363146315631663176318631963206321632263236324632563266327632863296330633163326333633463356336633763386339634063416342634363446345634663476348634963506351635263536354635563566357635863596360636163626363636463656366636763686369637063716372637363746375637663776378637963806381638263836384638563866387638863896390639163926393639463956396639763986399640064016402640364046405640664076408640964106411641264136414641564166417641864196420642164226423642464256426642764286429643064316432643364346435643664376438643964406441644264436444644564466447644864496450645164526453645464556456645764586459646064616462646364646465646664676468646964706471647264736474647564766477647864796480648164826483648464856486648764886489649064916492649364946495649664976498649965006501650265036504650565066507650865096510651165126513651465156516651765186519652065216522652365246525652665276528652965306531653265336534653565366537653865396540654165426543654465456546654765486549655065516552655365546555655665576558655965606561656265636564656565666567656865696570657165726573657465756576657765786579658065816582658365846585658665876588658965906591659265936594659565966597659865996600660166026603660466056606660766086609661066116612661366146615661666176618661966206621662266236624662566266627662866296630663166326633663466356636663766386639664066416642664366446645664666476648664966506651665266536654665566566657665866596660666166626663666466656666666766686669667066716672667366746675667666776678667966806681668266836684668566866687668866896690669166926693669466956696669766986699670067016702670367046705670667076708670967106711671267136714671567166717671867196720672167226723672467256726672767286729673067316732673367346735673667376738673967406741674267436744674567466747674867496750675167526753675467556756675767586759676067616762676367646765676667676768676967706771677267736774677567766777677867796780678167826783678467856786678767886789679067916792679367946795679667976798679968006801680268036804680568066807680868096810681168126813681468156816681768186819682068216822682368246825682668276828682968306831683268336834683568366837683868396840684168426843684468456846684768486849685068516852685368546855685668576858685968606861686268636864686568666867686868696870687168726873687468756876687768786879688068816882688368846885688668876888688968906891689268936894689568966897689868996900690169026903690469056906690769086909691069116912691369146915691669176918691969206921692269236924692569266927692869296930693169326933693469356936693769386939694069416942694369446945694669476948694969506951695269536954695569566957695869596960696169626963696469656966696769686969697069716972697369746975697669776978697969806981698269836984698569866987698869896990699169926993699469956996699769986999700070017002700370047005700670077008700970107011701270137014701570167017701870197020702170227023702470257026702770287029703070317032703370347035703670377038703970407041704270437044704570467047704870497050705170527053705470557056705770587059706070617062706370647065706670677068706970707071707270737074707570767077707870797080708170827083708470857086708770887089709070917092709370947095709670977098709971007101710271037104710571067107710871097110711171127113711471157116711771187119712071217122712371247125712671277128712971307131713271337134713571367137713871397140714171427143714471457146714771487149715071517152715371547155715671577158715971607161716271637164716571667167716871697170717171727173717471757176717771787179718071817182718371847185718671877188718971907191719271937194719571967197719871997200720172027203720472057206720772087209721072117212721372147215721672177218721972207221722272237224722572267227722872297230723172327233723472357236723772387239724072417242724372447245724672477248724972507251725272537254725572567257725872597260726172627263726472657266726772687269727072717272727372747275727672777278727972807281728272837284728572867287728872897290729172927293729472957296729772987299730073017302730373047305730673077308730973107311731273137314731573167317731873197320732173227323732473257326732773287329733073317332733373347335733673377338733973407341734273437344734573467347734873497350735173527353735473557356735773587359736073617362736373647365736673677368736973707371737273737374737573767377737873797380738173827383738473857386738773887389739073917392739373947395739673977398739974007401740274037404740574067407740874097410741174127413741474157416741774187419742074217422742374247425742674277428742974307431743274337434743574367437743874397440744174427443744474457446744774487449745074517452745374547455745674577458745974607461746274637464746574667467746874697470747174727473747474757476747774787479748074817482748374847485748674877488748974907491749274937494749574967497749874997500750175027503750475057506750775087509751075117512751375147515751675177518751975207521752275237524752575267527752875297530753175327533753475357536753775387539754075417542754375447545754675477548754975507551755275537554755575567557755875597560756175627563756475657566756775687569757075717572757375747575757675777578757975807581758275837584758575867587758875897590759175927593759475957596759775987599760076017602760376047605760676077608760976107611761276137614761576167617761876197620762176227623762476257626762776287629763076317632763376347635763676377638763976407641764276437644764576467647764876497650765176527653765476557656765776587659766076617662766376647665766676677668766976707671767276737674767576767677767876797680768176827683768476857686768776887689769076917692769376947695769676977698769977007701770277037704770577067707770877097710771177127713771477157716771777187719772077217722772377247725772677277728772977307731773277337734773577367737773877397740774177427743774477457746774777487749775077517752775377547755775677577758775977607761776277637764776577667767776877697770777177727773777477757776777777787779778077817782778377847785778677877788778977907791779277937794779577967797779877997800780178027803780478057806780778087809781078117812781378147815781678177818781978207821782278237824782578267827782878297830783178327833783478357836783778387839784078417842784378447845784678477848784978507851785278537854785578567857785878597860786178627863786478657866786778687869787078717872787378747875787678777878787978807881788278837884788578867887788878897890789178927893789478957896789778987899790079017902790379047905790679077908790979107911791279137914791579167917791879197920792179227923792479257926792779287929793079317932793379347935793679377938793979407941794279437944794579467947794879497950795179527953795479557956795779587959796079617962796379647965796679677968796979707971797279737974797579767977797879797980798179827983798479857986798779887989799079917992799379947995799679977998799980008001800280038004800580068007800880098010801180128013801480158016801780188019802080218022802380248025802680278028802980308031803280338034803580368037803880398040804180428043804480458046804780488049805080518052805380548055805680578058805980608061806280638064806580668067806880698070807180728073807480758076807780788079808080818082808380848085808680878088808980908091809280938094809580968097809880998100810181028103810481058106810781088109811081118112811381148115811681178118811981208121812281238124812581268127812881298130813181328133813481358136813781388139814081418142814381448145814681478148814981508151815281538154815581568157815881598160816181628163816481658166816781688169817081718172817381748175817681778178817981808181818281838184818581868187818881898190819181928193819481958196819781988199820082018202820382048205820682078208820982108211821282138214821582168217821882198220822182228223822482258226822782288229823082318232823382348235823682378238823982408241824282438244824582468247824882498250825182528253825482558256825782588259826082618262826382648265826682678268826982708271827282738274827582768277827882798280828182828283828482858286828782888289829082918292829382948295829682978298829983008301830283038304830583068307830883098310831183128313831483158316831783188319832083218322832383248325832683278328832983308331833283338334833583368337833883398340834183428343834483458346834783488349835083518352835383548355835683578358835983608361836283638364836583668367836883698370837183728373837483758376837783788379838083818382838383848385838683878388838983908391839283938394839583968397839883998400840184028403840484058406840784088409841084118412841384148415841684178418841984208421842284238424842584268427842884298430843184328433843484358436843784388439844084418442844384448445844684478448844984508451845284538454845584568457845884598460846184628463846484658466846784688469847084718472847384748475847684778478847984808481848284838484848584868487848884898490849184928493849484958496849784988499850085018502850385048505850685078508850985108511851285138514851585168517851885198520852185228523852485258526852785288529853085318532853385348535853685378538853985408541854285438544854585468547854885498550855185528553855485558556855785588559856085618562856385648565856685678568856985708571857285738574857585768577857885798580858185828583858485858586858785888589859085918592859385948595859685978598859986008601860286038604860586068607860886098610861186128613861486158616861786188619862086218622862386248625862686278628862986308631863286338634863586368637863886398640864186428643864486458646864786488649865086518652865386548655865686578658865986608661866286638664866586668667866886698670867186728673867486758676867786788679868086818682868386848685868686878688868986908691869286938694869586968697869886998700870187028703870487058706870787088709871087118712871387148715871687178718871987208721872287238724872587268727872887298730873187328733873487358736873787388739874087418742874387448745874687478748874987508751875287538754875587568757875887598760876187628763876487658766876787688769877087718772877387748775877687778778877987808781878287838784878587868787878887898790879187928793879487958796879787988799880088018802880388048805880688078808880988108811881288138814881588168817881888198820882188228823882488258826882788288829883088318832883388348835883688378838883988408841884288438844884588468847884888498850885188528853885488558856885788588859886088618862886388648865886688678868886988708871887288738874887588768877887888798880888188828883888488858886888788888889889088918892889388948895889688978898889989008901890289038904890589068907890889098910891189128913891489158916891789188919892089218922892389248925892689278928892989308931893289338934893589368937893889398940894189428943894489458946894789488949895089518952895389548955895689578958895989608961896289638964896589668967896889698970897189728973897489758976897789788979898089818982898389848985898689878988898989908991899289938994899589968997899889999000900190029003900490059006900790089009901090119012901390149015901690179018901990209021902290239024902590269027902890299030903190329033903490359036903790389039904090419042904390449045904690479048904990509051905290539054905590569057905890599060906190629063906490659066906790689069907090719072907390749075907690779078907990809081908290839084908590869087908890899090909190929093909490959096909790989099910091019102910391049105910691079108910991109111911291139114911591169117911891199120912191229123912491259126912791289129913091319132913391349135913691379138913991409141914291439144914591469147914891499150915191529153915491559156915791589159916091619162916391649165916691679168916991709171917291739174917591769177917891799180918191829183918491859186918791889189919091919192919391949195919691979198919992009201920292039204920592069207920892099210921192129213921492159216921792189219922092219222922392249225922692279228922992309231923292339234923592369237923892399240924192429243924492459246924792489249925092519252925392549255925692579258925992609261926292639264926592669267926892699270927192729273927492759276927792789279928092819282928392849285928692879288928992909291929292939294929592969297929892999300930193029303930493059306930793089309931093119312931393149315931693179318931993209321932293239324932593269327932893299330933193329333933493359336933793389339934093419342934393449345934693479348934993509351935293539354935593569357935893599360936193629363936493659366936793689369937093719372937393749375937693779378937993809381938293839384938593869387938893899390939193929393939493959396939793989399940094019402940394049405940694079408940994109411941294139414941594169417941894199420942194229423942494259426942794289429943094319432943394349435943694379438943994409441944294439444944594469447944894499450945194529453945494559456945794589459946094619462946394649465946694679468946994709471947294739474947594769477947894799480948194829483948494859486948794889489949094919492949394949495949694979498949995009501950295039504950595069507950895099510951195129513951495159516951795189519952095219522952395249525952695279528952995309531953295339534953595369537953895399540954195429543954495459546954795489549955095519552955395549555955695579558955995609561956295639564956595669567956895699570957195729573957495759576957795789579958095819582958395849585958695879588958995909591959295939594959595969597959895999600960196029603960496059606960796089609961096119612961396149615961696179618961996209621962296239624962596269627962896299630963196329633963496359636963796389639964096419642964396449645964696479648964996509651965296539654965596569657965896599660966196629663966496659666966796689669967096719672967396749675967696779678967996809681968296839684968596869687968896899690969196929693969496959696969796989699970097019702970397049705970697079708970997109711971297139714971597169717971897199720972197229723972497259726972797289729973097319732973397349735973697379738973997409741974297439744974597469747974897499750975197529753975497559756975797589759976097619762976397649765976697679768976997709771977297739774977597769777977897799780978197829783978497859786978797889789979097919792979397949795979697979798979998009801980298039804980598069807980898099810981198129813981498159816981798189819982098219822982398249825982698279828982998309831983298339834983598369837983898399840984198429843984498459846984798489849985098519852985398549855985698579858985998609861986298639864986598669867986898699870987198729873987498759876987798789879988098819882988398849885988698879888988998909891989298939894989598969897989898999900990199029903990499059906990799089909991099119912991399149915991699179918991999209921992299239924992599269927992899299930993199329933993499359936993799389939994099419942994399449945994699479948994999509951995299539954995599569957995899599960996199629963996499659966996799689969997099719972997399749975997699779978997999809981998299839984998599869987998899899990999199929993999499959996999799989999100001000110002100031000410005100061000710008100091001010011100121001310014100151001610017100181001910020100211002210023100241002510026100271002810029100301003110032100331003410035100361003710038100391004010041100421004310044100451004610047100481004910050100511005210053100541005510056100571005810059100601006110062100631006410065100661006710068100691007010071100721007310074100751007610077100781007910080100811008210083100841008510086100871008810089100901009110092100931009410095100961009710098100991010010101101021010310104101051010610107101081010910110101111011210113101141011510116101171011810119101201012110122101231012410125101261012710128101291013010131101321013310134101351013610137101381013910140101411014210143101441014510146101471014810149101501015110152101531015410155101561015710158101591016010161101621016310164101651016610167101681016910170101711017210173101741017510176101771017810179101801018110182101831018410185101861018710188101891019010191101921019310194101951019610197101981019910200102011020210203102041020510206102071020810209102101021110212102131021410215102161021710218102191022010221102221022310224102251022610227102281022910230102311023210233102341023510236102371023810239102401024110242102431024410245102461024710248102491025010251102521025310254102551025610257102581025910260102611026210263102641026510266102671026810269102701027110272102731027410275102761027710278102791028010281102821028310284102851028610287102881028910290102911029210293102941029510296102971029810299103001030110302103031030410305103061030710308103091031010311103121031310314103151031610317103181031910320103211032210323103241032510326103271032810329103301033110332103331033410335103361033710338103391034010341103421034310344103451034610347103481034910350103511035210353103541035510356103571035810359103601036110362103631036410365103661036710368103691037010371103721037310374103751037610377103781037910380103811038210383103841038510386103871038810389103901039110392103931039410395103961039710398103991040010401104021040310404104051040610407104081040910410104111041210413104141041510416104171041810419104201042110422104231042410425104261042710428104291043010431104321043310434104351043610437104381043910440104411044210443104441044510446104471044810449104501045110452104531045410455104561045710458104591046010461104621046310464104651046610467104681046910470104711047210473104741047510476104771047810479104801048110482104831048410485104861048710488104891049010491104921049310494104951049610497104981049910500105011050210503105041050510506105071050810509105101051110512105131051410515105161051710518105191052010521105221052310524105251052610527105281052910530105311053210533105341053510536105371053810539105401054110542105431054410545105461054710548105491055010551105521055310554105551055610557105581055910560105611056210563105641056510566105671056810569105701057110572105731057410575105761057710578105791058010581105821058310584105851058610587105881058910590105911059210593105941059510596105971059810599106001060110602106031060410605106061060710608106091061010611106121061310614106151061610617106181061910620106211062210623106241062510626106271062810629106301063110632106331063410635106361063710638106391064010641106421064310644106451064610647106481064910650106511065210653106541065510656106571065810659106601066110662106631066410665106661066710668106691067010671106721067310674106751067610677106781067910680106811068210683106841068510686106871068810689106901069110692106931069410695106961069710698106991070010701107021070310704107051070610707107081070910710107111071210713107141071510716107171071810719107201072110722107231072410725107261072710728107291073010731107321073310734107351073610737107381073910740107411074210743107441074510746107471074810749107501075110752107531075410755107561075710758107591076010761107621076310764107651076610767107681076910770107711077210773107741077510776107771077810779107801078110782107831078410785107861078710788107891079010791107921079310794107951079610797107981079910800108011080210803108041080510806108071080810809108101081110812108131081410815108161081710818108191082010821108221082310824108251082610827108281082910830108311083210833108341083510836108371083810839108401084110842108431084410845108461084710848108491085010851108521085310854108551085610857108581085910860108611086210863108641086510866108671086810869108701087110872108731087410875108761087710878108791088010881108821088310884108851088610887108881088910890108911089210893108941089510896108971089810899109001090110902109031090410905109061090710908109091091010911109121091310914109151091610917109181091910920109211092210923109241092510926109271092810929109301093110932109331093410935109361093710938109391094010941109421094310944109451094610947109481094910950109511095210953109541095510956109571095810959109601096110962109631096410965109661096710968109691097010971109721097310974109751097610977109781097910980109811098210983109841098510986109871098810989109901099110992109931099410995109961099710998109991100011001110021100311004110051100611007110081100911010110111101211013110141101511016110171101811019110201102111022110231102411025110261102711028110291103011031110321103311034110351103611037110381103911040110411104211043110441104511046110471104811049110501105111052110531105411055110561105711058110591106011061110621106311064110651106611067110681106911070110711107211073110741107511076110771107811079110801108111082110831108411085110861108711088110891109011091110921109311094110951109611097110981109911100111011110211103111041110511106111071110811109111101111111112111131111411115111161111711118111191112011121111221112311124111251112611127111281112911130111311113211133111341113511136111371113811139111401114111142111431114411145111461114711148111491115011151111521115311154111551115611157111581115911160111611116211163111641116511166111671116811169111701117111172111731117411175111761117711178111791118011181111821118311184111851118611187111881118911190111911119211193111941119511196111971119811199112001120111202112031120411205112061120711208112091121011211112121121311214112151121611217112181121911220112211122211223112241122511226112271122811229112301123111232112331123411235112361123711238112391124011241112421124311244112451124611247112481124911250112511125211253112541125511256112571125811259112601126111262112631126411265112661126711268112691127011271112721127311274112751127611277112781127911280112811128211283112841128511286112871128811289112901129111292112931129411295112961129711298112991130011301113021130311304113051130611307113081130911310113111131211313113141131511316113171131811319113201132111322113231132411325113261132711328113291133011331113321133311334113351133611337113381133911340113411134211343113441134511346113471134811349113501135111352113531135411355113561135711358113591136011361113621136311364113651136611367113681136911370113711137211373113741137511376113771137811379113801138111382113831138411385113861138711388113891139011391113921139311394113951139611397113981139911400114011140211403114041140511406114071140811409114101141111412114131141411415114161141711418114191142011421114221142311424114251142611427114281142911430114311143211433114341143511436114371143811439114401144111442114431144411445114461144711448114491145011451114521145311454114551145611457114581145911460114611146211463114641146511466114671146811469114701147111472114731147411475114761147711478114791148011481114821148311484114851148611487114881148911490114911149211493114941149511496114971149811499115001150111502115031150411505115061150711508115091151011511115121151311514115151151611517115181151911520115211152211523115241152511526115271152811529115301153111532115331153411535115361153711538115391154011541115421154311544115451154611547115481154911550115511155211553115541155511556115571155811559115601156111562115631156411565115661156711568115691157011571115721157311574115751157611577115781157911580115811158211583115841158511586115871158811589115901159111592115931159411595115961159711598115991160011601116021160311604116051160611607116081160911610116111161211613116141161511616116171161811619116201162111622116231162411625116261162711628116291163011631116321163311634116351163611637116381163911640116411164211643116441164511646116471164811649116501165111652116531165411655116561165711658116591166011661116621166311664116651166611667116681166911670116711167211673116741167511676116771167811679116801168111682116831168411685116861168711688116891169011691116921169311694116951169611697116981169911700117011170211703117041170511706117071170811709117101171111712117131171411715117161171711718117191172011721117221172311724117251172611727117281172911730117311173211733117341173511736117371173811739117401174111742117431174411745117461174711748117491175011751117521175311754117551175611757117581175911760117611176211763117641176511766117671176811769117701177111772117731177411775117761177711778117791178011781117821178311784117851178611787117881178911790117911179211793117941179511796117971179811799118001180111802118031180411805118061180711808118091181011811118121181311814118151181611817118181181911820118211182211823118241182511826118271182811829118301183111832118331183411835118361183711838118391184011841118421184311844118451184611847118481184911850118511185211853118541185511856118571185811859118601186111862118631186411865118661186711868118691187011871118721187311874118751187611877118781187911880118811188211883118841188511886118871188811889118901189111892118931189411895118961189711898118991190011901119021190311904119051190611907119081190911910119111191211913119141191511916119171191811919119201192111922119231192411925119261192711928119291193011931119321193311934119351193611937119381193911940119411194211943119441194511946119471194811949119501195111952119531195411955119561195711958119591196011961119621196311964119651196611967119681196911970119711197211973119741197511976119771197811979119801198111982119831198411985119861198711988119891199011991119921199311994119951199611997119981199912000120011200212003120041200512006120071200812009120101201112012120131201412015120161201712018120191202012021120221202312024120251202612027120281202912030120311203212033120341203512036120371203812039120401204112042120431204412045120461204712048120491205012051120521205312054120551205612057120581205912060120611206212063120641206512066120671206812069120701207112072120731207412075120761207712078120791208012081120821208312084120851208612087120881208912090120911209212093120941209512096120971209812099121001210112102121031210412105121061210712108121091211012111121121211312114121151211612117121181211912120121211212212123121241212512126121271212812129121301213112132121331213412135121361213712138121391214012141121421214312144121451214612147121481214912150121511215212153121541215512156121571215812159121601216112162121631216412165121661216712168121691217012171121721217312174121751217612177121781217912180121811218212183121841218512186121871218812189121901219112192121931219412195121961219712198121991220012201122021220312204122051220612207122081220912210122111221212213122141221512216122171221812219122201222112222122231222412225122261222712228122291223012231122321223312234122351223612237122381223912240122411224212243122441224512246122471224812249122501225112252122531225412255122561225712258122591226012261122621226312264122651226612267122681226912270122711227212273122741227512276122771227812279122801228112282122831228412285122861228712288122891229012291122921229312294122951229612297122981229912300123011230212303123041230512306123071230812309123101231112312123131231412315123161231712318123191232012321123221232312324123251232612327123281232912330123311233212333123341233512336123371233812339123401234112342123431234412345123461234712348123491235012351123521235312354123551235612357123581235912360123611236212363123641236512366123671236812369123701237112372123731237412375123761237712378123791238012381123821238312384123851238612387123881238912390123911239212393123941239512396123971239812399124001240112402124031240412405124061240712408124091241012411124121241312414124151241612417124181241912420124211242212423124241242512426124271242812429124301243112432124331243412435124361243712438124391244012441124421244312444124451244612447124481244912450124511245212453124541245512456124571245812459124601246112462124631246412465124661246712468124691247012471124721247312474124751247612477124781247912480124811248212483124841248512486124871248812489124901249112492124931249412495124961249712498124991250012501125021250312504125051250612507125081250912510125111251212513125141251512516125171251812519125201252112522125231252412525125261252712528125291253012531125321253312534125351253612537125381253912540125411254212543125441254512546125471254812549125501255112552125531255412555125561255712558125591256012561125621256312564125651256612567125681256912570125711257212573125741257512576125771257812579125801258112582125831258412585125861258712588125891259012591125921259312594125951259612597125981259912600126011260212603126041260512606126071260812609126101261112612126131261412615126161261712618126191262012621126221262312624126251262612627126281262912630126311263212633126341263512636126371263812639126401264112642126431264412645126461264712648126491265012651126521265312654126551265612657126581265912660126611266212663126641266512666126671266812669126701267112672126731267412675126761267712678126791268012681126821268312684126851268612687126881268912690126911269212693126941269512696126971269812699127001270112702127031270412705127061270712708127091271012711127121271312714127151271612717127181271912720127211272212723127241272512726127271272812729127301273112732127331273412735127361273712738127391274012741127421274312744127451274612747127481274912750127511275212753127541275512756127571275812759127601276112762127631276412765127661276712768127691277012771127721277312774127751277612777127781277912780127811278212783127841278512786127871278812789127901279112792127931279412795127961279712798127991280012801128021280312804128051280612807128081280912810
  1. /* Copyright 2008-2011 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 BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  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 LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB default for class 0 E2 */
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  146. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  148. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  149. /* BRB thresholds for E2*/
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  151. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  153. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  155. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  157. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  158. /* BRB default for class 0 E3A0 */
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  160. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  162. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  163. /* BRB thresholds for E3A0 */
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  167. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  169. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  171. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  172. /* BRB default for E3B0 */
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  174. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  176. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  177. /* BRB thresholds for E3B0 2 port mode*/
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  181. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  185. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  186. /* only for E3B0*/
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  188. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  189. /* Lossy +Lossless GUARANTIED == GUART */
  190. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  191. /* Lossless +Lossless*/
  192. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  193. /* Lossy +Lossy*/
  194. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  195. /* Lossy +Lossless*/
  196. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  197. /* Lossless +Lossless*/
  198. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  199. /* Lossy +Lossy*/
  200. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  201. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  203. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  204. /* BRB thresholds for E3B0 4 port mode */
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  208. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  212. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  213. /* only for E3B0*/
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  215. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  216. #define PFC_E3B0_4P_LB_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  218. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  220. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  221. /* Pause defines*/
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  223. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  224. #define DEFAULT_E3B0_LB_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  228. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  229. /* ETS defines*/
  230. #define DCBX_INVALID_COS (0xFF)
  231. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  232. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  234. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  235. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  236. #define MAX_PACKET_SIZE (9700)
  237. #define WC_UC_TIMEOUT 100
  238. #define MAX_KR_LINK_RETRY 4
  239. /**********************************************************/
  240. /* INTERFACE */
  241. /**********************************************************/
  242. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  243. bnx2x_cl45_write(_bp, _phy, \
  244. (_phy)->def_md_devad, \
  245. (_bank + (_addr & 0xf)), \
  246. _val)
  247. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  248. bnx2x_cl45_read(_bp, _phy, \
  249. (_phy)->def_md_devad, \
  250. (_bank + (_addr & 0xf)), \
  251. _val)
  252. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  253. {
  254. u32 val = REG_RD(bp, reg);
  255. val |= bits;
  256. REG_WR(bp, reg, val);
  257. return val;
  258. }
  259. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  260. {
  261. u32 val = REG_RD(bp, reg);
  262. val &= ~bits;
  263. REG_WR(bp, reg, val);
  264. return val;
  265. }
  266. /******************************************************************/
  267. /* EPIO/GPIO section */
  268. /******************************************************************/
  269. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  270. {
  271. u32 epio_mask, gp_oenable;
  272. *en = 0;
  273. /* Sanity check */
  274. if (epio_pin > 31) {
  275. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  276. return;
  277. }
  278. epio_mask = 1 << epio_pin;
  279. /* Set this EPIO to output */
  280. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  281. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  282. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  283. }
  284. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  285. {
  286. u32 epio_mask, gp_output, gp_oenable;
  287. /* Sanity check */
  288. if (epio_pin > 31) {
  289. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  290. return;
  291. }
  292. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  293. epio_mask = 1 << epio_pin;
  294. /* Set this EPIO to output */
  295. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  296. if (en)
  297. gp_output |= epio_mask;
  298. else
  299. gp_output &= ~epio_mask;
  300. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  301. /* Set the value for this EPIO */
  302. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  303. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  304. }
  305. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  306. {
  307. if (pin_cfg == PIN_CFG_NA)
  308. return;
  309. if (pin_cfg >= PIN_CFG_EPIO0) {
  310. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  311. } else {
  312. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  313. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  314. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  315. }
  316. }
  317. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  318. {
  319. if (pin_cfg == PIN_CFG_NA)
  320. return -EINVAL;
  321. if (pin_cfg >= PIN_CFG_EPIO0) {
  322. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  323. } else {
  324. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  325. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  326. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  327. }
  328. return 0;
  329. }
  330. /******************************************************************/
  331. /* ETS section */
  332. /******************************************************************/
  333. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  334. {
  335. /* ETS disabled configuration*/
  336. struct bnx2x *bp = params->bp;
  337. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  338. /*
  339. * mapping between entry priority to client number (0,1,2 -debug and
  340. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  341. * 3bits client num.
  342. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  343. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  344. */
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  346. /*
  347. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  348. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  349. * COS0 entry, 4 - COS1 entry.
  350. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  351. * bit4 bit3 bit2 bit1 bit0
  352. * MCP and debug are strict
  353. */
  354. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  355. /* defines which entries (clients) are subjected to WFQ arbitration */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  357. /*
  358. * For strict priority entries defines the number of consecutive
  359. * slots for the highest priority.
  360. */
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  362. /*
  363. * mapping between the CREDIT_WEIGHT registers and actual client
  364. * numbers
  365. */
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  370. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  371. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  372. /* ETS mode disable */
  373. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  374. /*
  375. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  376. * weight for COS0/COS1.
  377. */
  378. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  379. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  380. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  381. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  382. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  383. /* Defines the number of consecutive slots for the strict priority */
  384. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  385. }
  386. /******************************************************************************
  387. * Description:
  388. * Getting min_w_val will be set according to line speed .
  389. *.
  390. ******************************************************************************/
  391. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  392. {
  393. u32 min_w_val = 0;
  394. /* Calculate min_w_val.*/
  395. if (vars->link_up) {
  396. if (vars->line_speed == SPEED_20000)
  397. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  398. else
  399. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  400. } else
  401. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  402. /**
  403. * If the link isn't up (static configuration for example ) The
  404. * link will be according to 20GBPS.
  405. */
  406. return min_w_val;
  407. }
  408. /******************************************************************************
  409. * Description:
  410. * Getting credit upper bound form min_w_val.
  411. *.
  412. ******************************************************************************/
  413. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  414. {
  415. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  416. MAX_PACKET_SIZE);
  417. return credit_upper_bound;
  418. }
  419. /******************************************************************************
  420. * Description:
  421. * Set credit upper bound for NIG.
  422. *.
  423. ******************************************************************************/
  424. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  425. const struct link_params *params,
  426. const u32 min_w_val)
  427. {
  428. struct bnx2x *bp = params->bp;
  429. const u8 port = params->port;
  430. const u32 credit_upper_bound =
  431. bnx2x_ets_get_credit_upper_bound(min_w_val);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  436. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  437. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  438. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  439. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  440. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  441. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  442. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  443. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  444. if (!port) {
  445. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  446. credit_upper_bound);
  447. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  448. credit_upper_bound);
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  450. credit_upper_bound);
  451. }
  452. }
  453. /******************************************************************************
  454. * Description:
  455. * Will return the NIG ETS registers to init values.Except
  456. * credit_upper_bound.
  457. * That isn't used in this configuration (No WFQ is enabled) and will be
  458. * configured acording to spec
  459. *.
  460. ******************************************************************************/
  461. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  462. const struct link_vars *vars)
  463. {
  464. struct bnx2x *bp = params->bp;
  465. const u8 port = params->port;
  466. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  467. /**
  468. * mapping between entry priority to client number (0,1,2 -debug and
  469. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  470. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  471. * reset value or init tool
  472. */
  473. if (port) {
  474. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  475. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  476. } else {
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  478. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  479. }
  480. /**
  481. * For strict priority entries defines the number of consecutive
  482. * slots for the highest priority.
  483. */
  484. /* TODO_ETS - Should be done by reset value or init tool */
  485. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  486. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  487. /**
  488. * mapping between the CREDIT_WEIGHT registers and actual client
  489. * numbers
  490. */
  491. /* TODO_ETS - Should be done by reset value or init tool */
  492. if (port) {
  493. /*Port 1 has 6 COS*/
  494. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  495. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  496. } else {
  497. /*Port 0 has 9 COS*/
  498. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  499. 0x43210876);
  500. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  501. }
  502. /**
  503. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  504. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  505. * COS0 entry, 4 - COS1 entry.
  506. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  507. * bit4 bit3 bit2 bit1 bit0
  508. * MCP and debug are strict
  509. */
  510. if (port)
  511. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  512. else
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  514. /* defines which entries (clients) are subjected to WFQ arbitration */
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  516. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  517. /**
  518. * Please notice the register address are note continuous and a
  519. * for here is note appropriate.In 2 port mode port0 only COS0-5
  520. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  521. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  522. * are never used for WFQ
  523. */
  524. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  525. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  526. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  527. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  529. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  530. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  531. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  532. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  533. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  535. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  536. if (!port) {
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  538. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  540. }
  541. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  542. }
  543. /******************************************************************************
  544. * Description:
  545. * Set credit upper bound for PBF.
  546. *.
  547. ******************************************************************************/
  548. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  549. const struct link_params *params,
  550. const u32 min_w_val)
  551. {
  552. struct bnx2x *bp = params->bp;
  553. const u32 credit_upper_bound =
  554. bnx2x_ets_get_credit_upper_bound(min_w_val);
  555. const u8 port = params->port;
  556. u32 base_upper_bound = 0;
  557. u8 max_cos = 0;
  558. u8 i = 0;
  559. /**
  560. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  561. * port mode port1 has COS0-2 that can be used for WFQ.
  562. */
  563. if (!port) {
  564. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  565. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  566. } else {
  567. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  568. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  569. }
  570. for (i = 0; i < max_cos; i++)
  571. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  572. }
  573. /******************************************************************************
  574. * Description:
  575. * Will return the PBF ETS registers to init values.Except
  576. * credit_upper_bound.
  577. * That isn't used in this configuration (No WFQ is enabled) and will be
  578. * configured acording to spec
  579. *.
  580. ******************************************************************************/
  581. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  582. {
  583. struct bnx2x *bp = params->bp;
  584. const u8 port = params->port;
  585. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  586. u8 i = 0;
  587. u32 base_weight = 0;
  588. u8 max_cos = 0;
  589. /**
  590. * mapping between entry priority to client number 0 - COS0
  591. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  592. * TODO_ETS - Should be done by reset value or init tool
  593. */
  594. if (port)
  595. /* 0x688 (|011|0 10|00 1|000) */
  596. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  597. else
  598. /* (10 1|100 |011|0 10|00 1|000) */
  599. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  600. /* TODO_ETS - Should be done by reset value or init tool */
  601. if (port)
  602. /* 0x688 (|011|0 10|00 1|000)*/
  603. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  604. else
  605. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  606. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  607. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  608. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  609. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  610. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  611. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  612. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  613. /**
  614. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  615. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  616. */
  617. if (!port) {
  618. base_weight = PBF_REG_COS0_WEIGHT_P0;
  619. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  620. } else {
  621. base_weight = PBF_REG_COS0_WEIGHT_P1;
  622. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  623. }
  624. for (i = 0; i < max_cos; i++)
  625. REG_WR(bp, base_weight + (0x4 * i), 0);
  626. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * E3B0 disable will return basicly the values to init values.
  631. *.
  632. ******************************************************************************/
  633. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  634. const struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. if (!CHIP_IS_E3B0(bp)) {
  638. DP(NETIF_MSG_LINK,
  639. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  640. return -EINVAL;
  641. }
  642. bnx2x_ets_e3b0_nig_disabled(params, vars);
  643. bnx2x_ets_e3b0_pbf_disabled(params);
  644. return 0;
  645. }
  646. /******************************************************************************
  647. * Description:
  648. * Disable will return basicly the values to init values.
  649. *.
  650. ******************************************************************************/
  651. int bnx2x_ets_disabled(struct link_params *params,
  652. struct link_vars *vars)
  653. {
  654. struct bnx2x *bp = params->bp;
  655. int bnx2x_status = 0;
  656. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  657. bnx2x_ets_e2e3a0_disabled(params);
  658. else if (CHIP_IS_E3B0(bp))
  659. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  660. else {
  661. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  662. return -EINVAL;
  663. }
  664. return bnx2x_status;
  665. }
  666. /******************************************************************************
  667. * Description
  668. * Set the COS mappimg to SP and BW until this point all the COS are not
  669. * set as SP or BW.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  672. const struct bnx2x_ets_params *ets_params,
  673. const u8 cos_sp_bitmap,
  674. const u8 cos_bw_bitmap)
  675. {
  676. struct bnx2x *bp = params->bp;
  677. const u8 port = params->port;
  678. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  679. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  680. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  681. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  682. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  683. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  684. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  685. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  686. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  687. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  688. nig_cli_subject2wfq_bitmap);
  689. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  690. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  691. pbf_cli_subject2wfq_bitmap);
  692. return 0;
  693. }
  694. /******************************************************************************
  695. * Description:
  696. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  697. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  698. ******************************************************************************/
  699. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  700. const u8 cos_entry,
  701. const u32 min_w_val_nig,
  702. const u32 min_w_val_pbf,
  703. const u16 total_bw,
  704. const u8 bw,
  705. const u8 port)
  706. {
  707. u32 nig_reg_adress_crd_weight = 0;
  708. u32 pbf_reg_adress_crd_weight = 0;
  709. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  710. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  711. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  712. switch (cos_entry) {
  713. case 0:
  714. nig_reg_adress_crd_weight =
  715. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  716. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  717. pbf_reg_adress_crd_weight = (port) ?
  718. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  719. break;
  720. case 1:
  721. nig_reg_adress_crd_weight = (port) ?
  722. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  723. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  724. pbf_reg_adress_crd_weight = (port) ?
  725. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  726. break;
  727. case 2:
  728. nig_reg_adress_crd_weight = (port) ?
  729. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  730. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  731. pbf_reg_adress_crd_weight = (port) ?
  732. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  733. break;
  734. case 3:
  735. if (port)
  736. return -EINVAL;
  737. nig_reg_adress_crd_weight =
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  739. pbf_reg_adress_crd_weight =
  740. PBF_REG_COS3_WEIGHT_P0;
  741. break;
  742. case 4:
  743. if (port)
  744. return -EINVAL;
  745. nig_reg_adress_crd_weight =
  746. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  747. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  748. break;
  749. case 5:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  754. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  755. break;
  756. }
  757. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  758. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  759. return 0;
  760. }
  761. /******************************************************************************
  762. * Description:
  763. * Calculate the total BW.A value of 0 isn't legal.
  764. *.
  765. ******************************************************************************/
  766. static int bnx2x_ets_e3b0_get_total_bw(
  767. const struct link_params *params,
  768. struct bnx2x_ets_params *ets_params,
  769. u16 *total_bw)
  770. {
  771. struct bnx2x *bp = params->bp;
  772. u8 cos_idx = 0;
  773. u8 is_bw_cos_exist = 0;
  774. *total_bw = 0 ;
  775. /* Calculate total BW requested */
  776. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  777. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  778. is_bw_cos_exist = 1;
  779. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  780. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  781. "was set to 0\n");
  782. /*
  783. * This is to prevent a state when ramrods
  784. * can't be sent
  785. */
  786. ets_params->cos[cos_idx].params.bw_params.bw
  787. = 1;
  788. }
  789. *total_bw +=
  790. ets_params->cos[cos_idx].params.bw_params.bw;
  791. }
  792. }
  793. /* Check total BW is valid */
  794. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  795. if (*total_bw == 0) {
  796. DP(NETIF_MSG_LINK,
  797. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  798. return -EINVAL;
  799. }
  800. DP(NETIF_MSG_LINK,
  801. "bnx2x_ets_E3B0_config total BW should be 100\n");
  802. /*
  803. * We can handle a case whre the BW isn't 100 this can happen
  804. * if the TC are joined.
  805. */
  806. }
  807. return 0;
  808. }
  809. /******************************************************************************
  810. * Description:
  811. * Invalidate all the sp_pri_to_cos.
  812. *.
  813. ******************************************************************************/
  814. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  815. {
  816. u8 pri = 0;
  817. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  818. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  819. }
  820. /******************************************************************************
  821. * Description:
  822. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  823. * according to sp_pri_to_cos.
  824. *.
  825. ******************************************************************************/
  826. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  827. u8 *sp_pri_to_cos, const u8 pri,
  828. const u8 cos_entry)
  829. {
  830. struct bnx2x *bp = params->bp;
  831. const u8 port = params->port;
  832. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  833. DCBX_E3B0_MAX_NUM_COS_PORT0;
  834. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  835. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  836. "parameter There can't be two COS's with "
  837. "the same strict pri\n");
  838. return -EINVAL;
  839. }
  840. if (pri > max_num_of_cos) {
  841. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  842. "parameter Illegal strict priority\n");
  843. return -EINVAL;
  844. }
  845. sp_pri_to_cos[pri] = cos_entry;
  846. return 0;
  847. }
  848. /******************************************************************************
  849. * Description:
  850. * Returns the correct value according to COS and priority in
  851. * the sp_pri_cli register.
  852. *.
  853. ******************************************************************************/
  854. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  855. const u8 pri_set,
  856. const u8 pri_offset,
  857. const u8 entry_size)
  858. {
  859. u64 pri_cli_nig = 0;
  860. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  861. (pri_set + pri_offset));
  862. return pri_cli_nig;
  863. }
  864. /******************************************************************************
  865. * Description:
  866. * Returns the correct value according to COS and priority in the
  867. * sp_pri_cli register for NIG.
  868. *.
  869. ******************************************************************************/
  870. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  871. {
  872. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  873. const u8 nig_cos_offset = 3;
  874. const u8 nig_pri_offset = 3;
  875. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  876. nig_pri_offset, 4);
  877. }
  878. /******************************************************************************
  879. * Description:
  880. * Returns the correct value according to COS and priority in the
  881. * sp_pri_cli register for PBF.
  882. *.
  883. ******************************************************************************/
  884. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  885. {
  886. const u8 pbf_cos_offset = 0;
  887. const u8 pbf_pri_offset = 0;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  889. pbf_pri_offset, 3);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  894. * according to sp_pri_to_cos.(which COS has higher priority)
  895. *.
  896. ******************************************************************************/
  897. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  898. u8 *sp_pri_to_cos)
  899. {
  900. struct bnx2x *bp = params->bp;
  901. u8 i = 0;
  902. const u8 port = params->port;
  903. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  904. u64 pri_cli_nig = 0x210;
  905. u32 pri_cli_pbf = 0x0;
  906. u8 pri_set = 0;
  907. u8 pri_bitmask = 0;
  908. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  909. DCBX_E3B0_MAX_NUM_COS_PORT0;
  910. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  911. /* Set all the strict priority first */
  912. for (i = 0; i < max_num_of_cos; i++) {
  913. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  914. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  915. DP(NETIF_MSG_LINK,
  916. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  917. "invalid cos entry\n");
  918. return -EINVAL;
  919. }
  920. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  921. sp_pri_to_cos[i], pri_set);
  922. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  923. sp_pri_to_cos[i], pri_set);
  924. pri_bitmask = 1 << sp_pri_to_cos[i];
  925. /* COS is used remove it from bitmap.*/
  926. if (!(pri_bitmask & cos_bit_to_set)) {
  927. DP(NETIF_MSG_LINK,
  928. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  929. "invalid There can't be two COS's with"
  930. " the same strict pri\n");
  931. return -EINVAL;
  932. }
  933. cos_bit_to_set &= ~pri_bitmask;
  934. pri_set++;
  935. }
  936. }
  937. /* Set all the Non strict priority i= COS*/
  938. for (i = 0; i < max_num_of_cos; i++) {
  939. pri_bitmask = 1 << i;
  940. /* Check if COS was already used for SP */
  941. if (pri_bitmask & cos_bit_to_set) {
  942. /* COS wasn't used for SP */
  943. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  944. i, pri_set);
  945. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  946. i, pri_set);
  947. /* COS is used remove it from bitmap.*/
  948. cos_bit_to_set &= ~pri_bitmask;
  949. pri_set++;
  950. }
  951. }
  952. if (pri_set != max_num_of_cos) {
  953. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  954. "entries were set\n");
  955. return -EINVAL;
  956. }
  957. if (port) {
  958. /* Only 6 usable clients*/
  959. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  960. (u32)pri_cli_nig);
  961. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  962. } else {
  963. /* Only 9 usable clients*/
  964. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  965. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  966. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  967. pri_cli_nig_lsb);
  968. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  969. pri_cli_nig_msb);
  970. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  971. }
  972. return 0;
  973. }
  974. /******************************************************************************
  975. * Description:
  976. * Configure the COS to ETS according to BW and SP settings.
  977. ******************************************************************************/
  978. int bnx2x_ets_e3b0_config(const struct link_params *params,
  979. const struct link_vars *vars,
  980. struct bnx2x_ets_params *ets_params)
  981. {
  982. struct bnx2x *bp = params->bp;
  983. int bnx2x_status = 0;
  984. const u8 port = params->port;
  985. u16 total_bw = 0;
  986. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  987. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  988. u8 cos_bw_bitmap = 0;
  989. u8 cos_sp_bitmap = 0;
  990. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  991. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  992. DCBX_E3B0_MAX_NUM_COS_PORT0;
  993. u8 cos_entry = 0;
  994. if (!CHIP_IS_E3B0(bp)) {
  995. DP(NETIF_MSG_LINK,
  996. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  997. return -EINVAL;
  998. }
  999. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1000. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1001. "isn't supported\n");
  1002. return -EINVAL;
  1003. }
  1004. /* Prepare sp strict priority parameters*/
  1005. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1006. /* Prepare BW parameters*/
  1007. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1008. &total_bw);
  1009. if (bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1012. return -EINVAL;
  1013. }
  1014. /*
  1015. * Upper bound is set according to current link speed (min_w_val
  1016. * should be the same for upper bound and COS credit val).
  1017. */
  1018. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1019. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1020. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1021. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1022. cos_bw_bitmap |= (1 << cos_entry);
  1023. /*
  1024. * The function also sets the BW in HW(not the mappin
  1025. * yet)
  1026. */
  1027. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1028. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1029. total_bw,
  1030. ets_params->cos[cos_entry].params.bw_params.bw,
  1031. port);
  1032. } else if (bnx2x_cos_state_strict ==
  1033. ets_params->cos[cos_entry].state){
  1034. cos_sp_bitmap |= (1 << cos_entry);
  1035. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1036. params,
  1037. sp_pri_to_cos,
  1038. ets_params->cos[cos_entry].params.sp_params.pri,
  1039. cos_entry);
  1040. } else {
  1041. DP(NETIF_MSG_LINK,
  1042. "bnx2x_ets_e3b0_config cos state not valid\n");
  1043. return -EINVAL;
  1044. }
  1045. if (bnx2x_status) {
  1046. DP(NETIF_MSG_LINK,
  1047. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1048. return bnx2x_status;
  1049. }
  1050. }
  1051. /* Set SP register (which COS has higher priority) */
  1052. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1053. sp_pri_to_cos);
  1054. if (bnx2x_status) {
  1055. DP(NETIF_MSG_LINK,
  1056. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1057. return bnx2x_status;
  1058. }
  1059. /* Set client mapping of BW and strict */
  1060. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1061. cos_sp_bitmap,
  1062. cos_bw_bitmap);
  1063. if (bnx2x_status) {
  1064. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1065. return bnx2x_status;
  1066. }
  1067. return 0;
  1068. }
  1069. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1070. {
  1071. /* ETS disabled configuration */
  1072. struct bnx2x *bp = params->bp;
  1073. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1074. /*
  1075. * defines which entries (clients) are subjected to WFQ arbitration
  1076. * COS0 0x8
  1077. * COS1 0x10
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1080. /*
  1081. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1082. * client numbers (WEIGHT_0 does not actually have to represent
  1083. * client 0)
  1084. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1085. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1086. */
  1087. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1088. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1089. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1090. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1091. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1092. /* ETS mode enabled*/
  1093. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1094. /* Defines the number of consecutive slots for the strict priority */
  1095. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1096. /*
  1097. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1098. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1099. * entry, 4 - COS1 entry.
  1100. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1101. * bit4 bit3 bit2 bit1 bit0
  1102. * MCP and debug are strict
  1103. */
  1104. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1105. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1106. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1107. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1108. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1109. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1110. }
  1111. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1112. const u32 cos1_bw)
  1113. {
  1114. /* ETS disabled configuration*/
  1115. struct bnx2x *bp = params->bp;
  1116. const u32 total_bw = cos0_bw + cos1_bw;
  1117. u32 cos0_credit_weight = 0;
  1118. u32 cos1_credit_weight = 0;
  1119. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1120. if ((!total_bw) ||
  1121. (!cos0_bw) ||
  1122. (!cos1_bw)) {
  1123. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1124. return;
  1125. }
  1126. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1127. total_bw;
  1128. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1129. total_bw;
  1130. bnx2x_ets_bw_limit_common(params);
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1132. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1133. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1134. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1135. }
  1136. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1137. {
  1138. /* ETS disabled configuration*/
  1139. struct bnx2x *bp = params->bp;
  1140. u32 val = 0;
  1141. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1142. /*
  1143. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1144. * as strict. Bits 0,1,2 - debug and management entries,
  1145. * 3 - COS0 entry, 4 - COS1 entry.
  1146. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1147. * bit4 bit3 bit2 bit1 bit0
  1148. * MCP and debug are strict
  1149. */
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1151. /*
  1152. * For strict priority entries defines the number of consecutive slots
  1153. * for the highest priority.
  1154. */
  1155. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1156. /* ETS mode disable */
  1157. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1158. /* Defines the number of consecutive slots for the strict priority */
  1159. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1160. /* Defines the number of consecutive slots for the strict priority */
  1161. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1162. /*
  1163. * mapping between entry priority to client number (0,1,2 -debug and
  1164. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1165. * 3bits client num.
  1166. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1167. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1168. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1169. */
  1170. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1171. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1172. return 0;
  1173. }
  1174. /******************************************************************/
  1175. /* PFC section */
  1176. /******************************************************************/
  1177. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1178. struct link_vars *vars,
  1179. u8 is_lb)
  1180. {
  1181. struct bnx2x *bp = params->bp;
  1182. u32 xmac_base;
  1183. u32 pause_val, pfc0_val, pfc1_val;
  1184. /* XMAC base adrr */
  1185. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1186. /* Initialize pause and pfc registers */
  1187. pause_val = 0x18000;
  1188. pfc0_val = 0xFFFF8000;
  1189. pfc1_val = 0x2;
  1190. /* No PFC support */
  1191. if (!(params->feature_config_flags &
  1192. FEATURE_CONFIG_PFC_ENABLED)) {
  1193. /*
  1194. * RX flow control - Process pause frame in receive direction
  1195. */
  1196. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1197. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1198. /*
  1199. * TX flow control - Send pause packet when buffer is full
  1200. */
  1201. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1202. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1203. } else {/* PFC support */
  1204. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1205. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1206. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1207. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1208. }
  1209. /* Write pause and PFC registers */
  1210. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1211. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1212. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1213. /* Set MAC address for source TX Pause/PFC frames */
  1214. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1215. ((params->mac_addr[2] << 24) |
  1216. (params->mac_addr[3] << 16) |
  1217. (params->mac_addr[4] << 8) |
  1218. (params->mac_addr[5])));
  1219. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1220. ((params->mac_addr[0] << 8) |
  1221. (params->mac_addr[1])));
  1222. udelay(30);
  1223. }
  1224. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1225. u32 pfc_frames_sent[2],
  1226. u32 pfc_frames_received[2])
  1227. {
  1228. /* Read pfc statistic */
  1229. struct bnx2x *bp = params->bp;
  1230. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1231. u32 val_xon = 0;
  1232. u32 val_xoff = 0;
  1233. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1234. /* PFC received frames */
  1235. val_xoff = REG_RD(bp, emac_base +
  1236. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1237. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1238. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1239. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1240. pfc_frames_received[0] = val_xon + val_xoff;
  1241. /* PFC received sent */
  1242. val_xoff = REG_RD(bp, emac_base +
  1243. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1244. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1245. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1246. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1247. pfc_frames_sent[0] = val_xon + val_xoff;
  1248. }
  1249. /* Read pfc statistic*/
  1250. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1251. u32 pfc_frames_sent[2],
  1252. u32 pfc_frames_received[2])
  1253. {
  1254. /* Read pfc statistic */
  1255. struct bnx2x *bp = params->bp;
  1256. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1257. if (!vars->link_up)
  1258. return;
  1259. if (vars->mac_type == MAC_TYPE_EMAC) {
  1260. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1261. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1262. pfc_frames_received);
  1263. }
  1264. }
  1265. /******************************************************************/
  1266. /* MAC/PBF section */
  1267. /******************************************************************/
  1268. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1269. {
  1270. u32 mode, emac_base;
  1271. /**
  1272. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1273. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1274. */
  1275. if (CHIP_IS_E2(bp))
  1276. emac_base = GRCBASE_EMAC0;
  1277. else
  1278. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1279. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1280. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1281. EMAC_MDIO_MODE_CLOCK_CNT);
  1282. if (USES_WARPCORE(bp))
  1283. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1284. else
  1285. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1286. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1287. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1288. udelay(40);
  1289. }
  1290. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1291. {
  1292. u32 port4mode_ovwr_val;
  1293. /* Check 4-port override enabled */
  1294. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1295. if (port4mode_ovwr_val & (1<<0)) {
  1296. /* Return 4-port mode override value */
  1297. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1298. }
  1299. /* Return 4-port mode from input pin */
  1300. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1301. }
  1302. static void bnx2x_emac_init(struct link_params *params,
  1303. struct link_vars *vars)
  1304. {
  1305. /* reset and unreset the emac core */
  1306. struct bnx2x *bp = params->bp;
  1307. u8 port = params->port;
  1308. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1309. u32 val;
  1310. u16 timeout;
  1311. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1312. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1313. udelay(5);
  1314. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1315. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1316. /* init emac - use read-modify-write */
  1317. /* self clear reset */
  1318. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1319. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1320. timeout = 200;
  1321. do {
  1322. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1323. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1324. if (!timeout) {
  1325. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1326. return;
  1327. }
  1328. timeout--;
  1329. } while (val & EMAC_MODE_RESET);
  1330. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1331. /* Set mac address */
  1332. val = ((params->mac_addr[0] << 8) |
  1333. params->mac_addr[1]);
  1334. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1335. val = ((params->mac_addr[2] << 24) |
  1336. (params->mac_addr[3] << 16) |
  1337. (params->mac_addr[4] << 8) |
  1338. params->mac_addr[5]);
  1339. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1340. }
  1341. static void bnx2x_set_xumac_nig(struct link_params *params,
  1342. u16 tx_pause_en,
  1343. u8 enable)
  1344. {
  1345. struct bnx2x *bp = params->bp;
  1346. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1347. enable);
  1348. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1349. enable);
  1350. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1351. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1352. }
  1353. static void bnx2x_umac_disable(struct link_params *params)
  1354. {
  1355. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1356. struct bnx2x *bp = params->bp;
  1357. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1358. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1359. return;
  1360. /* Disable RX and TX */
  1361. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1362. }
  1363. static void bnx2x_umac_enable(struct link_params *params,
  1364. struct link_vars *vars, u8 lb)
  1365. {
  1366. u32 val;
  1367. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1368. struct bnx2x *bp = params->bp;
  1369. /* Reset UMAC */
  1370. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1371. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1372. usleep_range(1000, 1000);
  1373. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1374. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1375. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1376. /**
  1377. * This register determines on which events the MAC will assert
  1378. * error on the i/f to the NIG along w/ EOP.
  1379. */
  1380. /**
  1381. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1382. * params->port*0x14, 0xfffff.
  1383. */
  1384. /* This register opens the gate for the UMAC despite its name */
  1385. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1386. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1387. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1388. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1389. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1390. switch (vars->line_speed) {
  1391. case SPEED_10:
  1392. val |= (0<<2);
  1393. break;
  1394. case SPEED_100:
  1395. val |= (1<<2);
  1396. break;
  1397. case SPEED_1000:
  1398. val |= (2<<2);
  1399. break;
  1400. case SPEED_2500:
  1401. val |= (3<<2);
  1402. break;
  1403. default:
  1404. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1405. vars->line_speed);
  1406. break;
  1407. }
  1408. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1409. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1410. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1411. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1412. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1413. udelay(50);
  1414. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1415. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1416. ((params->mac_addr[2] << 24) |
  1417. (params->mac_addr[3] << 16) |
  1418. (params->mac_addr[4] << 8) |
  1419. (params->mac_addr[5])));
  1420. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1421. ((params->mac_addr[0] << 8) |
  1422. (params->mac_addr[1])));
  1423. /* Enable RX and TX */
  1424. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1425. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1426. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1427. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1428. udelay(50);
  1429. /* Remove SW Reset */
  1430. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1431. /* Check loopback mode */
  1432. if (lb)
  1433. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1434. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1435. /*
  1436. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1437. * length used by the MAC receive logic to check frames.
  1438. */
  1439. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1440. bnx2x_set_xumac_nig(params,
  1441. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1442. vars->mac_type = MAC_TYPE_UMAC;
  1443. }
  1444. /* Define the XMAC mode */
  1445. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1446. {
  1447. struct bnx2x *bp = params->bp;
  1448. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1449. /*
  1450. * In 4-port mode, need to set the mode only once, so if XMAC is
  1451. * already out of reset, it means the mode has already been set,
  1452. * and it must not* reset the XMAC again, since it controls both
  1453. * ports of the path
  1454. */
  1455. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1456. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1457. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1458. DP(NETIF_MSG_LINK,
  1459. "XMAC already out of reset in 4-port mode\n");
  1460. return;
  1461. }
  1462. /* Hard reset */
  1463. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1464. MISC_REGISTERS_RESET_REG_2_XMAC);
  1465. usleep_range(1000, 1000);
  1466. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1467. MISC_REGISTERS_RESET_REG_2_XMAC);
  1468. if (is_port4mode) {
  1469. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1470. /* Set the number of ports on the system side to up to 2 */
  1471. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1472. /* Set the number of ports on the Warp Core to 10G */
  1473. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1474. } else {
  1475. /* Set the number of ports on the system side to 1 */
  1476. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1477. if (max_speed == SPEED_10000) {
  1478. DP(NETIF_MSG_LINK,
  1479. "Init XMAC to 10G x 1 port per path\n");
  1480. /* Set the number of ports on the Warp Core to 10G */
  1481. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1482. } else {
  1483. DP(NETIF_MSG_LINK,
  1484. "Init XMAC to 20G x 2 ports per path\n");
  1485. /* Set the number of ports on the Warp Core to 20G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1487. }
  1488. }
  1489. /* Soft reset */
  1490. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1491. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1492. usleep_range(1000, 1000);
  1493. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1494. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1495. }
  1496. static void bnx2x_xmac_disable(struct link_params *params)
  1497. {
  1498. u8 port = params->port;
  1499. struct bnx2x *bp = params->bp;
  1500. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1501. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1502. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1503. /*
  1504. * Send an indication to change the state in the NIG back to XON
  1505. * Clearing this bit enables the next set of this bit to get
  1506. * rising edge
  1507. */
  1508. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1509. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1510. (pfc_ctrl & ~(1<<1)));
  1511. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1512. (pfc_ctrl | (1<<1)));
  1513. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1514. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1515. }
  1516. }
  1517. static int bnx2x_xmac_enable(struct link_params *params,
  1518. struct link_vars *vars, u8 lb)
  1519. {
  1520. u32 val, xmac_base;
  1521. struct bnx2x *bp = params->bp;
  1522. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1523. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1524. bnx2x_xmac_init(params, vars->line_speed);
  1525. /*
  1526. * This register determines on which events the MAC will assert
  1527. * error on the i/f to the NIG along w/ EOP.
  1528. */
  1529. /*
  1530. * This register tells the NIG whether to send traffic to UMAC
  1531. * or XMAC
  1532. */
  1533. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1534. /* Set Max packet size */
  1535. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1536. /* CRC append for Tx packets */
  1537. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1538. /* update PFC */
  1539. bnx2x_update_pfc_xmac(params, vars, 0);
  1540. /* Enable TX and RX */
  1541. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1542. /* Check loopback mode */
  1543. if (lb)
  1544. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1545. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1546. bnx2x_set_xumac_nig(params,
  1547. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1548. vars->mac_type = MAC_TYPE_XMAC;
  1549. return 0;
  1550. }
  1551. static int bnx2x_emac_enable(struct link_params *params,
  1552. struct link_vars *vars, u8 lb)
  1553. {
  1554. struct bnx2x *bp = params->bp;
  1555. u8 port = params->port;
  1556. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1557. u32 val;
  1558. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1559. /* Disable BMAC */
  1560. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1561. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1562. /* enable emac and not bmac */
  1563. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1564. /* ASIC */
  1565. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1566. u32 ser_lane = ((params->lane_config &
  1567. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1569. DP(NETIF_MSG_LINK, "XGXS\n");
  1570. /* select the master lanes (out of 0-3) */
  1571. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1572. /* select XGXS */
  1573. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1574. } else { /* SerDes */
  1575. DP(NETIF_MSG_LINK, "SerDes\n");
  1576. /* select SerDes */
  1577. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1578. }
  1579. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1580. EMAC_RX_MODE_RESET);
  1581. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1582. EMAC_TX_MODE_RESET);
  1583. if (CHIP_REV_IS_SLOW(bp)) {
  1584. /* config GMII mode */
  1585. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1586. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1587. } else { /* ASIC */
  1588. /* pause enable/disable */
  1589. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1590. EMAC_RX_MODE_FLOW_EN);
  1591. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1592. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1593. EMAC_TX_MODE_FLOW_EN));
  1594. if (!(params->feature_config_flags &
  1595. FEATURE_CONFIG_PFC_ENABLED)) {
  1596. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1597. bnx2x_bits_en(bp, emac_base +
  1598. EMAC_REG_EMAC_RX_MODE,
  1599. EMAC_RX_MODE_FLOW_EN);
  1600. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1601. bnx2x_bits_en(bp, emac_base +
  1602. EMAC_REG_EMAC_TX_MODE,
  1603. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1604. EMAC_TX_MODE_FLOW_EN));
  1605. } else
  1606. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1607. EMAC_TX_MODE_FLOW_EN);
  1608. }
  1609. /* KEEP_VLAN_TAG, promiscuous */
  1610. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1611. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1612. /*
  1613. * Setting this bit causes MAC control frames (except for pause
  1614. * frames) to be passed on for processing. This setting has no
  1615. * affect on the operation of the pause frames. This bit effects
  1616. * all packets regardless of RX Parser packet sorting logic.
  1617. * Turn the PFC off to make sure we are in Xon state before
  1618. * enabling it.
  1619. */
  1620. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1621. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1622. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1623. /* Enable PFC again */
  1624. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1625. EMAC_REG_RX_PFC_MODE_RX_EN |
  1626. EMAC_REG_RX_PFC_MODE_TX_EN |
  1627. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1628. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1629. ((0x0101 <<
  1630. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1631. (0x00ff <<
  1632. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1633. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1634. }
  1635. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1636. /* Set Loopback */
  1637. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1638. if (lb)
  1639. val |= 0x810;
  1640. else
  1641. val &= ~0x810;
  1642. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1643. /* enable emac */
  1644. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1645. /* enable emac for jumbo packets */
  1646. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1647. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1648. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1649. /* strip CRC */
  1650. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1651. /* disable the NIG in/out to the bmac */
  1652. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1653. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1654. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1655. /* enable the NIG in/out to the emac */
  1656. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1657. val = 0;
  1658. if ((params->feature_config_flags &
  1659. FEATURE_CONFIG_PFC_ENABLED) ||
  1660. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1661. val = 1;
  1662. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1663. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1664. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1665. vars->mac_type = MAC_TYPE_EMAC;
  1666. return 0;
  1667. }
  1668. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1669. struct link_vars *vars)
  1670. {
  1671. u32 wb_data[2];
  1672. struct bnx2x *bp = params->bp;
  1673. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1674. NIG_REG_INGRESS_BMAC0_MEM;
  1675. u32 val = 0x14;
  1676. if ((!(params->feature_config_flags &
  1677. FEATURE_CONFIG_PFC_ENABLED)) &&
  1678. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1679. /* Enable BigMAC to react on received Pause packets */
  1680. val |= (1<<5);
  1681. wb_data[0] = val;
  1682. wb_data[1] = 0;
  1683. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1684. /* tx control */
  1685. val = 0xc0;
  1686. if (!(params->feature_config_flags &
  1687. FEATURE_CONFIG_PFC_ENABLED) &&
  1688. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1689. val |= 0x800000;
  1690. wb_data[0] = val;
  1691. wb_data[1] = 0;
  1692. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1693. }
  1694. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1695. struct link_vars *vars,
  1696. u8 is_lb)
  1697. {
  1698. /*
  1699. * Set rx control: Strip CRC and enable BigMAC to relay
  1700. * control packets to the system as well
  1701. */
  1702. u32 wb_data[2];
  1703. struct bnx2x *bp = params->bp;
  1704. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1705. NIG_REG_INGRESS_BMAC0_MEM;
  1706. u32 val = 0x14;
  1707. if ((!(params->feature_config_flags &
  1708. FEATURE_CONFIG_PFC_ENABLED)) &&
  1709. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1710. /* Enable BigMAC to react on received Pause packets */
  1711. val |= (1<<5);
  1712. wb_data[0] = val;
  1713. wb_data[1] = 0;
  1714. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1715. udelay(30);
  1716. /* Tx control */
  1717. val = 0xc0;
  1718. if (!(params->feature_config_flags &
  1719. FEATURE_CONFIG_PFC_ENABLED) &&
  1720. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1721. val |= 0x800000;
  1722. wb_data[0] = val;
  1723. wb_data[1] = 0;
  1724. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1725. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1726. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1727. /* Enable PFC RX & TX & STATS and set 8 COS */
  1728. wb_data[0] = 0x0;
  1729. wb_data[0] |= (1<<0); /* RX */
  1730. wb_data[0] |= (1<<1); /* TX */
  1731. wb_data[0] |= (1<<2); /* Force initial Xon */
  1732. wb_data[0] |= (1<<3); /* 8 cos */
  1733. wb_data[0] |= (1<<5); /* STATS */
  1734. wb_data[1] = 0;
  1735. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1736. wb_data, 2);
  1737. /* Clear the force Xon */
  1738. wb_data[0] &= ~(1<<2);
  1739. } else {
  1740. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1741. /* disable PFC RX & TX & STATS and set 8 COS */
  1742. wb_data[0] = 0x8;
  1743. wb_data[1] = 0;
  1744. }
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1746. /*
  1747. * Set Time (based unit is 512 bit time) between automatic
  1748. * re-sending of PP packets amd enable automatic re-send of
  1749. * Per-Priroity Packet as long as pp_gen is asserted and
  1750. * pp_disable is low.
  1751. */
  1752. val = 0x8000;
  1753. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1754. val |= (1<<16); /* enable automatic re-send */
  1755. wb_data[0] = val;
  1756. wb_data[1] = 0;
  1757. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1758. wb_data, 2);
  1759. /* mac control */
  1760. val = 0x3; /* Enable RX and TX */
  1761. if (is_lb) {
  1762. val |= 0x4; /* Local loopback */
  1763. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1764. }
  1765. /* When PFC enabled, Pass pause frames towards the NIG. */
  1766. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1767. val |= ((1<<6)|(1<<5));
  1768. wb_data[0] = val;
  1769. wb_data[1] = 0;
  1770. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1771. }
  1772. /* PFC BRB internal port configuration params */
  1773. struct bnx2x_pfc_brb_threshold_val {
  1774. u32 pause_xoff;
  1775. u32 pause_xon;
  1776. u32 full_xoff;
  1777. u32 full_xon;
  1778. };
  1779. struct bnx2x_pfc_brb_e3b0_val {
  1780. u32 per_class_guaranty_mode;
  1781. u32 lb_guarantied_hyst;
  1782. u32 full_lb_xoff_th;
  1783. u32 full_lb_xon_threshold;
  1784. u32 lb_guarantied;
  1785. u32 mac_0_class_t_guarantied;
  1786. u32 mac_0_class_t_guarantied_hyst;
  1787. u32 mac_1_class_t_guarantied;
  1788. u32 mac_1_class_t_guarantied_hyst;
  1789. };
  1790. struct bnx2x_pfc_brb_th_val {
  1791. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1792. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1793. struct bnx2x_pfc_brb_threshold_val default_class0;
  1794. struct bnx2x_pfc_brb_threshold_val default_class1;
  1795. };
  1796. static int bnx2x_pfc_brb_get_config_params(
  1797. struct link_params *params,
  1798. struct bnx2x_pfc_brb_th_val *config_val)
  1799. {
  1800. struct bnx2x *bp = params->bp;
  1801. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1802. config_val->default_class1.pause_xoff = 0;
  1803. config_val->default_class1.pause_xon = 0;
  1804. config_val->default_class1.full_xoff = 0;
  1805. config_val->default_class1.full_xon = 0;
  1806. if (CHIP_IS_E2(bp)) {
  1807. /* class0 defaults */
  1808. config_val->default_class0.pause_xoff =
  1809. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1810. config_val->default_class0.pause_xon =
  1811. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1812. config_val->default_class0.full_xoff =
  1813. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1814. config_val->default_class0.full_xon =
  1815. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1816. /* pause able*/
  1817. config_val->pauseable_th.pause_xoff =
  1818. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1819. config_val->pauseable_th.pause_xon =
  1820. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1821. config_val->pauseable_th.full_xoff =
  1822. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1823. config_val->pauseable_th.full_xon =
  1824. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1825. /* non pause able*/
  1826. config_val->non_pauseable_th.pause_xoff =
  1827. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1828. config_val->non_pauseable_th.pause_xon =
  1829. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.full_xoff =
  1831. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xon =
  1833. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1834. } else if (CHIP_IS_E3A0(bp)) {
  1835. /* class0 defaults */
  1836. config_val->default_class0.pause_xoff =
  1837. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1838. config_val->default_class0.pause_xon =
  1839. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1840. config_val->default_class0.full_xoff =
  1841. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1842. config_val->default_class0.full_xon =
  1843. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1844. /* pause able */
  1845. config_val->pauseable_th.pause_xoff =
  1846. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1847. config_val->pauseable_th.pause_xon =
  1848. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1849. config_val->pauseable_th.full_xoff =
  1850. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1851. config_val->pauseable_th.full_xon =
  1852. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1853. /* non pause able*/
  1854. config_val->non_pauseable_th.pause_xoff =
  1855. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1856. config_val->non_pauseable_th.pause_xon =
  1857. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1858. config_val->non_pauseable_th.full_xoff =
  1859. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1860. config_val->non_pauseable_th.full_xon =
  1861. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1862. } else if (CHIP_IS_E3B0(bp)) {
  1863. /* class0 defaults */
  1864. config_val->default_class0.pause_xoff =
  1865. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1866. config_val->default_class0.pause_xon =
  1867. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1868. config_val->default_class0.full_xoff =
  1869. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1870. config_val->default_class0.full_xon =
  1871. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1872. if (params->phy[INT_PHY].flags &
  1873. FLAGS_4_PORT_MODE) {
  1874. config_val->pauseable_th.pause_xoff =
  1875. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1876. config_val->pauseable_th.pause_xon =
  1877. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1878. config_val->pauseable_th.full_xoff =
  1879. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1880. config_val->pauseable_th.full_xon =
  1881. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1882. /* non pause able*/
  1883. config_val->non_pauseable_th.pause_xoff =
  1884. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1885. config_val->non_pauseable_th.pause_xon =
  1886. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1887. config_val->non_pauseable_th.full_xoff =
  1888. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1889. config_val->non_pauseable_th.full_xon =
  1890. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1891. } else {
  1892. config_val->pauseable_th.pause_xoff =
  1893. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1894. config_val->pauseable_th.pause_xon =
  1895. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1896. config_val->pauseable_th.full_xoff =
  1897. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1898. config_val->pauseable_th.full_xon =
  1899. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1900. /* non pause able*/
  1901. config_val->non_pauseable_th.pause_xoff =
  1902. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1903. config_val->non_pauseable_th.pause_xon =
  1904. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1905. config_val->non_pauseable_th.full_xoff =
  1906. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1907. config_val->non_pauseable_th.full_xon =
  1908. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1909. }
  1910. } else
  1911. return -EINVAL;
  1912. return 0;
  1913. }
  1914. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1915. struct link_params *params,
  1916. struct bnx2x_pfc_brb_e3b0_val
  1917. *e3b0_val,
  1918. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1919. const u8 pfc_enabled)
  1920. {
  1921. if (pfc_enabled && pfc_params) {
  1922. e3b0_val->per_class_guaranty_mode = 1;
  1923. e3b0_val->lb_guarantied_hyst = 80;
  1924. if (params->phy[INT_PHY].flags &
  1925. FLAGS_4_PORT_MODE) {
  1926. e3b0_val->full_lb_xoff_th =
  1927. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1928. e3b0_val->full_lb_xon_threshold =
  1929. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1930. e3b0_val->lb_guarantied =
  1931. PFC_E3B0_4P_LB_GUART;
  1932. e3b0_val->mac_0_class_t_guarantied =
  1933. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1934. e3b0_val->mac_0_class_t_guarantied_hyst =
  1935. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1936. e3b0_val->mac_1_class_t_guarantied =
  1937. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1938. e3b0_val->mac_1_class_t_guarantied_hyst =
  1939. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1940. } else {
  1941. e3b0_val->full_lb_xoff_th =
  1942. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1943. e3b0_val->full_lb_xon_threshold =
  1944. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1945. e3b0_val->mac_0_class_t_guarantied_hyst =
  1946. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1947. e3b0_val->mac_1_class_t_guarantied =
  1948. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1949. e3b0_val->mac_1_class_t_guarantied_hyst =
  1950. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1951. if (pfc_params->cos0_pauseable !=
  1952. pfc_params->cos1_pauseable) {
  1953. /* nonpauseable= Lossy + pauseable = Lossless*/
  1954. e3b0_val->lb_guarantied =
  1955. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1956. e3b0_val->mac_0_class_t_guarantied =
  1957. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1958. } else if (pfc_params->cos0_pauseable) {
  1959. /* Lossless +Lossless*/
  1960. e3b0_val->lb_guarantied =
  1961. PFC_E3B0_2P_PAUSE_LB_GUART;
  1962. e3b0_val->mac_0_class_t_guarantied =
  1963. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1964. } else {
  1965. /* Lossy +Lossy*/
  1966. e3b0_val->lb_guarantied =
  1967. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1968. e3b0_val->mac_0_class_t_guarantied =
  1969. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1970. }
  1971. }
  1972. } else {
  1973. e3b0_val->per_class_guaranty_mode = 0;
  1974. e3b0_val->lb_guarantied_hyst = 0;
  1975. e3b0_val->full_lb_xoff_th =
  1976. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1977. e3b0_val->full_lb_xon_threshold =
  1978. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1979. e3b0_val->lb_guarantied =
  1980. DEFAULT_E3B0_LB_GUART;
  1981. e3b0_val->mac_0_class_t_guarantied =
  1982. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1983. e3b0_val->mac_0_class_t_guarantied_hyst =
  1984. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1985. e3b0_val->mac_1_class_t_guarantied =
  1986. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1987. e3b0_val->mac_1_class_t_guarantied_hyst =
  1988. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1989. }
  1990. }
  1991. static int bnx2x_update_pfc_brb(struct link_params *params,
  1992. struct link_vars *vars,
  1993. struct bnx2x_nig_brb_pfc_port_params
  1994. *pfc_params)
  1995. {
  1996. struct bnx2x *bp = params->bp;
  1997. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1998. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1999. &config_val.pauseable_th;
  2000. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2001. const int set_pfc = params->feature_config_flags &
  2002. FEATURE_CONFIG_PFC_ENABLED;
  2003. const u8 pfc_enabled = (set_pfc && pfc_params);
  2004. int bnx2x_status = 0;
  2005. u8 port = params->port;
  2006. /* default - pause configuration */
  2007. reg_th_config = &config_val.pauseable_th;
  2008. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2009. if (bnx2x_status)
  2010. return bnx2x_status;
  2011. if (pfc_enabled) {
  2012. /* First COS */
  2013. if (pfc_params->cos0_pauseable)
  2014. reg_th_config = &config_val.pauseable_th;
  2015. else
  2016. reg_th_config = &config_val.non_pauseable_th;
  2017. } else
  2018. reg_th_config = &config_val.default_class0;
  2019. /*
  2020. * The number of free blocks below which the pause signal to class 0
  2021. * of MAC #n is asserted. n=0,1
  2022. */
  2023. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2024. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2025. reg_th_config->pause_xoff);
  2026. /*
  2027. * The number of free blocks above which the pause signal to class 0
  2028. * of MAC #n is de-asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2031. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2032. /*
  2033. * The number of free blocks below which the full signal to class 0
  2034. * of MAC #n is asserted. n=0,1
  2035. */
  2036. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2037. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2038. /*
  2039. * The number of free blocks above which the full signal to class 0
  2040. * of MAC #n is de-asserted. n=0,1
  2041. */
  2042. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2043. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2044. if (pfc_enabled) {
  2045. /* Second COS */
  2046. if (pfc_params->cos1_pauseable)
  2047. reg_th_config = &config_val.pauseable_th;
  2048. else
  2049. reg_th_config = &config_val.non_pauseable_th;
  2050. } else
  2051. reg_th_config = &config_val.default_class1;
  2052. /*
  2053. * The number of free blocks below which the pause signal to
  2054. * class 1 of MAC #n is asserted. n=0,1
  2055. */
  2056. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2057. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2058. reg_th_config->pause_xoff);
  2059. /*
  2060. * The number of free blocks above which the pause signal to
  2061. * class 1 of MAC #n is de-asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2065. reg_th_config->pause_xon);
  2066. /*
  2067. * The number of free blocks below which the full signal to
  2068. * class 1 of MAC #n is asserted. n=0,1
  2069. */
  2070. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2071. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2072. reg_th_config->full_xoff);
  2073. /*
  2074. * The number of free blocks above which the full signal to
  2075. * class 1 of MAC #n is de-asserted. n=0,1
  2076. */
  2077. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2078. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2079. reg_th_config->full_xon);
  2080. if (CHIP_IS_E3B0(bp)) {
  2081. bnx2x_pfc_brb_get_e3b0_config_params(
  2082. params,
  2083. &e3b0_val,
  2084. pfc_params,
  2085. pfc_enabled);
  2086. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2087. e3b0_val.per_class_guaranty_mode);
  2088. /*
  2089. * The hysteresis on the guarantied buffer space for the Lb
  2090. * port before signaling XON.
  2091. */
  2092. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2093. e3b0_val.lb_guarantied_hyst);
  2094. /*
  2095. * The number of free blocks below which the full signal to the
  2096. * LB port is asserted.
  2097. */
  2098. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2099. e3b0_val.full_lb_xoff_th);
  2100. /*
  2101. * The number of free blocks above which the full signal to the
  2102. * LB port is de-asserted.
  2103. */
  2104. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2105. e3b0_val.full_lb_xon_threshold);
  2106. /*
  2107. * The number of blocks guarantied for the MAC #n port. n=0,1
  2108. */
  2109. /* The number of blocks guarantied for the LB port.*/
  2110. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2111. e3b0_val.lb_guarantied);
  2112. /*
  2113. * The number of blocks guarantied for the MAC #n port.
  2114. */
  2115. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2116. 2 * e3b0_val.mac_0_class_t_guarantied);
  2117. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2118. 2 * e3b0_val.mac_1_class_t_guarantied);
  2119. /*
  2120. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2121. */
  2122. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2123. e3b0_val.mac_0_class_t_guarantied);
  2124. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2125. e3b0_val.mac_0_class_t_guarantied);
  2126. /*
  2127. * The hysteresis on the guarantied buffer space for class in
  2128. * MAC0. t=0,1
  2129. */
  2130. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2131. e3b0_val.mac_0_class_t_guarantied_hyst);
  2132. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2133. e3b0_val.mac_0_class_t_guarantied_hyst);
  2134. /*
  2135. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2136. */
  2137. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2138. e3b0_val.mac_1_class_t_guarantied);
  2139. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2140. e3b0_val.mac_1_class_t_guarantied);
  2141. /*
  2142. * The hysteresis on the guarantied buffer space for class #t
  2143. * in MAC1. t=0,1
  2144. */
  2145. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2146. e3b0_val.mac_1_class_t_guarantied_hyst);
  2147. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2148. e3b0_val.mac_1_class_t_guarantied_hyst);
  2149. }
  2150. return bnx2x_status;
  2151. }
  2152. /******************************************************************************
  2153. * Description:
  2154. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2155. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2156. ******************************************************************************/
  2157. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2158. u8 cos_entry,
  2159. u32 priority_mask, u8 port)
  2160. {
  2161. u32 nig_reg_rx_priority_mask_add = 0;
  2162. switch (cos_entry) {
  2163. case 0:
  2164. nig_reg_rx_priority_mask_add = (port) ?
  2165. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2166. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2167. break;
  2168. case 1:
  2169. nig_reg_rx_priority_mask_add = (port) ?
  2170. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2171. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2172. break;
  2173. case 2:
  2174. nig_reg_rx_priority_mask_add = (port) ?
  2175. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2176. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2177. break;
  2178. case 3:
  2179. if (port)
  2180. return -EINVAL;
  2181. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2182. break;
  2183. case 4:
  2184. if (port)
  2185. return -EINVAL;
  2186. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2187. break;
  2188. case 5:
  2189. if (port)
  2190. return -EINVAL;
  2191. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2192. break;
  2193. }
  2194. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2195. return 0;
  2196. }
  2197. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2198. {
  2199. struct bnx2x *bp = params->bp;
  2200. REG_WR(bp, params->shmem_base +
  2201. offsetof(struct shmem_region,
  2202. port_mb[params->port].link_status), link_status);
  2203. }
  2204. static void bnx2x_update_pfc_nig(struct link_params *params,
  2205. struct link_vars *vars,
  2206. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2207. {
  2208. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2209. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2210. u32 pkt_priority_to_cos = 0;
  2211. struct bnx2x *bp = params->bp;
  2212. u8 port = params->port;
  2213. int set_pfc = params->feature_config_flags &
  2214. FEATURE_CONFIG_PFC_ENABLED;
  2215. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2216. /*
  2217. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2218. * MAC control frames (that are not pause packets)
  2219. * will be forwarded to the XCM.
  2220. */
  2221. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2222. NIG_REG_LLH0_XCM_MASK);
  2223. /*
  2224. * nig params will override non PFC params, since it's possible to
  2225. * do transition from PFC to SAFC
  2226. */
  2227. if (set_pfc) {
  2228. pause_enable = 0;
  2229. llfc_out_en = 0;
  2230. llfc_enable = 0;
  2231. if (CHIP_IS_E3(bp))
  2232. ppp_enable = 0;
  2233. else
  2234. ppp_enable = 1;
  2235. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2236. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2237. xcm_out_en = 0;
  2238. hwpfc_enable = 1;
  2239. } else {
  2240. if (nig_params) {
  2241. llfc_out_en = nig_params->llfc_out_en;
  2242. llfc_enable = nig_params->llfc_enable;
  2243. pause_enable = nig_params->pause_enable;
  2244. } else /*defaul non PFC mode - PAUSE */
  2245. pause_enable = 1;
  2246. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2247. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2248. xcm_out_en = 1;
  2249. }
  2250. if (CHIP_IS_E3(bp))
  2251. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2252. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2253. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2254. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2255. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2256. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2257. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2258. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2259. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2260. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2261. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2262. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2263. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2264. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2265. /* output enable for RX_XCM # IF */
  2266. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2267. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2268. /* HW PFC TX enable */
  2269. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2270. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2271. if (nig_params) {
  2272. u8 i = 0;
  2273. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2274. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2275. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2276. nig_params->rx_cos_priority_mask[i], port);
  2277. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2278. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2279. nig_params->llfc_high_priority_classes);
  2280. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2281. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2282. nig_params->llfc_low_priority_classes);
  2283. }
  2284. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2285. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2286. pkt_priority_to_cos);
  2287. }
  2288. int bnx2x_update_pfc(struct link_params *params,
  2289. struct link_vars *vars,
  2290. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2291. {
  2292. /*
  2293. * The PFC and pause are orthogonal to one another, meaning when
  2294. * PFC is enabled, the pause are disabled, and when PFC is
  2295. * disabled, pause are set according to the pause result.
  2296. */
  2297. u32 val;
  2298. struct bnx2x *bp = params->bp;
  2299. int bnx2x_status = 0;
  2300. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2301. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2302. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2303. else
  2304. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2305. bnx2x_update_mng(params, vars->link_status);
  2306. /* update NIG params */
  2307. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2308. /* update BRB params */
  2309. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2310. if (bnx2x_status)
  2311. return bnx2x_status;
  2312. if (!vars->link_up)
  2313. return bnx2x_status;
  2314. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2315. if (CHIP_IS_E3(bp))
  2316. bnx2x_update_pfc_xmac(params, vars, 0);
  2317. else {
  2318. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2319. if ((val &
  2320. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2321. == 0) {
  2322. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2323. bnx2x_emac_enable(params, vars, 0);
  2324. return bnx2x_status;
  2325. }
  2326. if (CHIP_IS_E2(bp))
  2327. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2328. else
  2329. bnx2x_update_pfc_bmac1(params, vars);
  2330. val = 0;
  2331. if ((params->feature_config_flags &
  2332. FEATURE_CONFIG_PFC_ENABLED) ||
  2333. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2334. val = 1;
  2335. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2336. }
  2337. return bnx2x_status;
  2338. }
  2339. static int bnx2x_bmac1_enable(struct link_params *params,
  2340. struct link_vars *vars,
  2341. u8 is_lb)
  2342. {
  2343. struct bnx2x *bp = params->bp;
  2344. u8 port = params->port;
  2345. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2346. NIG_REG_INGRESS_BMAC0_MEM;
  2347. u32 wb_data[2];
  2348. u32 val;
  2349. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2350. /* XGXS control */
  2351. wb_data[0] = 0x3c;
  2352. wb_data[1] = 0;
  2353. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2354. wb_data, 2);
  2355. /* tx MAC SA */
  2356. wb_data[0] = ((params->mac_addr[2] << 24) |
  2357. (params->mac_addr[3] << 16) |
  2358. (params->mac_addr[4] << 8) |
  2359. params->mac_addr[5]);
  2360. wb_data[1] = ((params->mac_addr[0] << 8) |
  2361. params->mac_addr[1]);
  2362. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2363. /* mac control */
  2364. val = 0x3;
  2365. if (is_lb) {
  2366. val |= 0x4;
  2367. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2368. }
  2369. wb_data[0] = val;
  2370. wb_data[1] = 0;
  2371. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2372. /* set rx mtu */
  2373. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2376. bnx2x_update_pfc_bmac1(params, vars);
  2377. /* set tx mtu */
  2378. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2379. wb_data[1] = 0;
  2380. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2381. /* set cnt max size */
  2382. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2383. wb_data[1] = 0;
  2384. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2385. /* configure safc */
  2386. wb_data[0] = 0x1000200;
  2387. wb_data[1] = 0;
  2388. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2389. wb_data, 2);
  2390. return 0;
  2391. }
  2392. static int bnx2x_bmac2_enable(struct link_params *params,
  2393. struct link_vars *vars,
  2394. u8 is_lb)
  2395. {
  2396. struct bnx2x *bp = params->bp;
  2397. u8 port = params->port;
  2398. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2399. NIG_REG_INGRESS_BMAC0_MEM;
  2400. u32 wb_data[2];
  2401. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2402. wb_data[0] = 0;
  2403. wb_data[1] = 0;
  2404. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2405. udelay(30);
  2406. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2407. wb_data[0] = 0x3c;
  2408. wb_data[1] = 0;
  2409. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2410. wb_data, 2);
  2411. udelay(30);
  2412. /* tx MAC SA */
  2413. wb_data[0] = ((params->mac_addr[2] << 24) |
  2414. (params->mac_addr[3] << 16) |
  2415. (params->mac_addr[4] << 8) |
  2416. params->mac_addr[5]);
  2417. wb_data[1] = ((params->mac_addr[0] << 8) |
  2418. params->mac_addr[1]);
  2419. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2420. wb_data, 2);
  2421. udelay(30);
  2422. /* Configure SAFC */
  2423. wb_data[0] = 0x1000200;
  2424. wb_data[1] = 0;
  2425. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2426. wb_data, 2);
  2427. udelay(30);
  2428. /* set rx mtu */
  2429. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2430. wb_data[1] = 0;
  2431. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2432. udelay(30);
  2433. /* set tx mtu */
  2434. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2435. wb_data[1] = 0;
  2436. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2437. udelay(30);
  2438. /* set cnt max size */
  2439. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2440. wb_data[1] = 0;
  2441. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2442. udelay(30);
  2443. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2444. return 0;
  2445. }
  2446. static int bnx2x_bmac_enable(struct link_params *params,
  2447. struct link_vars *vars,
  2448. u8 is_lb)
  2449. {
  2450. int rc = 0;
  2451. u8 port = params->port;
  2452. struct bnx2x *bp = params->bp;
  2453. u32 val;
  2454. /* reset and unreset the BigMac */
  2455. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2456. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2457. msleep(1);
  2458. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2459. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2460. /* enable access for bmac registers */
  2461. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2462. /* Enable BMAC according to BMAC type*/
  2463. if (CHIP_IS_E2(bp))
  2464. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2465. else
  2466. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2467. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2468. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2469. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2470. val = 0;
  2471. if ((params->feature_config_flags &
  2472. FEATURE_CONFIG_PFC_ENABLED) ||
  2473. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2474. val = 1;
  2475. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2477. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2478. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2479. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2480. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2481. vars->mac_type = MAC_TYPE_BMAC;
  2482. return rc;
  2483. }
  2484. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2485. {
  2486. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2487. NIG_REG_INGRESS_BMAC0_MEM;
  2488. u32 wb_data[2];
  2489. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2490. /* Only if the bmac is out of reset */
  2491. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2492. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2493. nig_bmac_enable) {
  2494. if (CHIP_IS_E2(bp)) {
  2495. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2496. REG_RD_DMAE(bp, bmac_addr +
  2497. BIGMAC2_REGISTER_BMAC_CONTROL,
  2498. wb_data, 2);
  2499. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2500. REG_WR_DMAE(bp, bmac_addr +
  2501. BIGMAC2_REGISTER_BMAC_CONTROL,
  2502. wb_data, 2);
  2503. } else {
  2504. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2505. REG_RD_DMAE(bp, bmac_addr +
  2506. BIGMAC_REGISTER_BMAC_CONTROL,
  2507. wb_data, 2);
  2508. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2509. REG_WR_DMAE(bp, bmac_addr +
  2510. BIGMAC_REGISTER_BMAC_CONTROL,
  2511. wb_data, 2);
  2512. }
  2513. msleep(1);
  2514. }
  2515. }
  2516. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2517. u32 line_speed)
  2518. {
  2519. struct bnx2x *bp = params->bp;
  2520. u8 port = params->port;
  2521. u32 init_crd, crd;
  2522. u32 count = 1000;
  2523. /* disable port */
  2524. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2525. /* wait for init credit */
  2526. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2527. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2528. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2529. while ((init_crd != crd) && count) {
  2530. msleep(5);
  2531. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2532. count--;
  2533. }
  2534. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2535. if (init_crd != crd) {
  2536. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2537. init_crd, crd);
  2538. return -EINVAL;
  2539. }
  2540. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2541. line_speed == SPEED_10 ||
  2542. line_speed == SPEED_100 ||
  2543. line_speed == SPEED_1000 ||
  2544. line_speed == SPEED_2500) {
  2545. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2546. /* update threshold */
  2547. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2548. /* update init credit */
  2549. init_crd = 778; /* (800-18-4) */
  2550. } else {
  2551. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2552. ETH_OVREHEAD)/16;
  2553. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2554. /* update threshold */
  2555. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2556. /* update init credit */
  2557. switch (line_speed) {
  2558. case SPEED_10000:
  2559. init_crd = thresh + 553 - 22;
  2560. break;
  2561. default:
  2562. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2563. line_speed);
  2564. return -EINVAL;
  2565. }
  2566. }
  2567. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2568. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2569. line_speed, init_crd);
  2570. /* probe the credit changes */
  2571. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2572. msleep(5);
  2573. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2574. /* enable port */
  2575. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2576. return 0;
  2577. }
  2578. /**
  2579. * bnx2x_get_emac_base - retrive emac base address
  2580. *
  2581. * @bp: driver handle
  2582. * @mdc_mdio_access: access type
  2583. * @port: port id
  2584. *
  2585. * This function selects the MDC/MDIO access (through emac0 or
  2586. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2587. * phy has a default access mode, which could also be overridden
  2588. * by nvram configuration. This parameter, whether this is the
  2589. * default phy configuration, or the nvram overrun
  2590. * configuration, is passed here as mdc_mdio_access and selects
  2591. * the emac_base for the CL45 read/writes operations
  2592. */
  2593. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2594. u32 mdc_mdio_access, u8 port)
  2595. {
  2596. u32 emac_base = 0;
  2597. switch (mdc_mdio_access) {
  2598. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2599. break;
  2600. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2601. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2602. emac_base = GRCBASE_EMAC1;
  2603. else
  2604. emac_base = GRCBASE_EMAC0;
  2605. break;
  2606. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2607. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2608. emac_base = GRCBASE_EMAC0;
  2609. else
  2610. emac_base = GRCBASE_EMAC1;
  2611. break;
  2612. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2613. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2614. break;
  2615. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2616. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2617. break;
  2618. default:
  2619. break;
  2620. }
  2621. return emac_base;
  2622. }
  2623. /******************************************************************/
  2624. /* CL22 access functions */
  2625. /******************************************************************/
  2626. static int bnx2x_cl22_write(struct bnx2x *bp,
  2627. struct bnx2x_phy *phy,
  2628. u16 reg, u16 val)
  2629. {
  2630. u32 tmp, mode;
  2631. u8 i;
  2632. int rc = 0;
  2633. /* Switch to CL22 */
  2634. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2635. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2636. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2637. /* address */
  2638. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2639. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2640. EMAC_MDIO_COMM_START_BUSY);
  2641. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2642. for (i = 0; i < 50; i++) {
  2643. udelay(10);
  2644. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2645. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2646. udelay(5);
  2647. break;
  2648. }
  2649. }
  2650. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2651. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2652. rc = -EFAULT;
  2653. }
  2654. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2655. return rc;
  2656. }
  2657. static int bnx2x_cl22_read(struct bnx2x *bp,
  2658. struct bnx2x_phy *phy,
  2659. u16 reg, u16 *ret_val)
  2660. {
  2661. u32 val, mode;
  2662. u16 i;
  2663. int rc = 0;
  2664. /* Switch to CL22 */
  2665. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2667. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2668. /* address */
  2669. val = ((phy->addr << 21) | (reg << 16) |
  2670. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2671. EMAC_MDIO_COMM_START_BUSY);
  2672. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2673. for (i = 0; i < 50; i++) {
  2674. udelay(10);
  2675. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2676. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2677. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2678. udelay(5);
  2679. break;
  2680. }
  2681. }
  2682. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2683. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2684. *ret_val = 0;
  2685. rc = -EFAULT;
  2686. }
  2687. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2688. return rc;
  2689. }
  2690. /******************************************************************/
  2691. /* CL45 access functions */
  2692. /******************************************************************/
  2693. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2694. u8 devad, u16 reg, u16 *ret_val)
  2695. {
  2696. u32 val;
  2697. u16 i;
  2698. int rc = 0;
  2699. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2700. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2701. EMAC_MDIO_STATUS_10MB);
  2702. /* address */
  2703. val = ((phy->addr << 21) | (devad << 16) | reg |
  2704. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2705. EMAC_MDIO_COMM_START_BUSY);
  2706. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2707. for (i = 0; i < 50; i++) {
  2708. udelay(10);
  2709. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2710. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2711. udelay(5);
  2712. break;
  2713. }
  2714. }
  2715. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2716. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2717. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2718. *ret_val = 0;
  2719. rc = -EFAULT;
  2720. } else {
  2721. /* data */
  2722. val = ((phy->addr << 21) | (devad << 16) |
  2723. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2724. EMAC_MDIO_COMM_START_BUSY);
  2725. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2726. for (i = 0; i < 50; i++) {
  2727. udelay(10);
  2728. val = REG_RD(bp, phy->mdio_ctrl +
  2729. EMAC_REG_EMAC_MDIO_COMM);
  2730. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2731. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2732. break;
  2733. }
  2734. }
  2735. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2736. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2737. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2738. *ret_val = 0;
  2739. rc = -EFAULT;
  2740. }
  2741. }
  2742. /* Work around for E3 A0 */
  2743. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2744. phy->flags ^= FLAGS_DUMMY_READ;
  2745. if (phy->flags & FLAGS_DUMMY_READ) {
  2746. u16 temp_val;
  2747. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2748. }
  2749. }
  2750. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2751. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2752. EMAC_MDIO_STATUS_10MB);
  2753. return rc;
  2754. }
  2755. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2756. u8 devad, u16 reg, u16 val)
  2757. {
  2758. u32 tmp;
  2759. u8 i;
  2760. int rc = 0;
  2761. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2762. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2763. EMAC_MDIO_STATUS_10MB);
  2764. /* address */
  2765. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2766. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2767. EMAC_MDIO_COMM_START_BUSY);
  2768. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2769. for (i = 0; i < 50; i++) {
  2770. udelay(10);
  2771. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2772. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2773. udelay(5);
  2774. break;
  2775. }
  2776. }
  2777. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2778. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2779. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2780. rc = -EFAULT;
  2781. } else {
  2782. /* data */
  2783. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2784. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2785. EMAC_MDIO_COMM_START_BUSY);
  2786. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2787. for (i = 0; i < 50; i++) {
  2788. udelay(10);
  2789. tmp = REG_RD(bp, phy->mdio_ctrl +
  2790. EMAC_REG_EMAC_MDIO_COMM);
  2791. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2792. udelay(5);
  2793. break;
  2794. }
  2795. }
  2796. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2797. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2798. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2799. rc = -EFAULT;
  2800. }
  2801. }
  2802. /* Work around for E3 A0 */
  2803. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2804. phy->flags ^= FLAGS_DUMMY_READ;
  2805. if (phy->flags & FLAGS_DUMMY_READ) {
  2806. u16 temp_val;
  2807. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2808. }
  2809. }
  2810. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2811. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2812. EMAC_MDIO_STATUS_10MB);
  2813. return rc;
  2814. }
  2815. /******************************************************************/
  2816. /* BSC access functions from E3 */
  2817. /******************************************************************/
  2818. static void bnx2x_bsc_module_sel(struct link_params *params)
  2819. {
  2820. int idx;
  2821. u32 board_cfg, sfp_ctrl;
  2822. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2823. struct bnx2x *bp = params->bp;
  2824. u8 port = params->port;
  2825. /* Read I2C output PINs */
  2826. board_cfg = REG_RD(bp, params->shmem_base +
  2827. offsetof(struct shmem_region,
  2828. dev_info.shared_hw_config.board));
  2829. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2830. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2831. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2832. /* Read I2C output value */
  2833. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2834. offsetof(struct shmem_region,
  2835. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2836. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2837. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2838. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2839. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2840. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2841. }
  2842. static int bnx2x_bsc_read(struct link_params *params,
  2843. struct bnx2x_phy *phy,
  2844. u8 sl_devid,
  2845. u16 sl_addr,
  2846. u8 lc_addr,
  2847. u8 xfer_cnt,
  2848. u32 *data_array)
  2849. {
  2850. u32 val, i;
  2851. int rc = 0;
  2852. struct bnx2x *bp = params->bp;
  2853. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2854. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2855. return -EINVAL;
  2856. }
  2857. if (xfer_cnt > 16) {
  2858. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2859. xfer_cnt);
  2860. return -EINVAL;
  2861. }
  2862. bnx2x_bsc_module_sel(params);
  2863. xfer_cnt = 16 - lc_addr;
  2864. /* enable the engine */
  2865. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2866. val |= MCPR_IMC_COMMAND_ENABLE;
  2867. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2868. /* program slave device ID */
  2869. val = (sl_devid << 16) | sl_addr;
  2870. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2871. /* start xfer with 0 byte to update the address pointer ???*/
  2872. val = (MCPR_IMC_COMMAND_ENABLE) |
  2873. (MCPR_IMC_COMMAND_WRITE_OP <<
  2874. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2875. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2876. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2877. /* poll for completion */
  2878. i = 0;
  2879. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2880. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2881. udelay(10);
  2882. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2883. if (i++ > 1000) {
  2884. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2885. i);
  2886. rc = -EFAULT;
  2887. break;
  2888. }
  2889. }
  2890. if (rc == -EFAULT)
  2891. return rc;
  2892. /* start xfer with read op */
  2893. val = (MCPR_IMC_COMMAND_ENABLE) |
  2894. (MCPR_IMC_COMMAND_READ_OP <<
  2895. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2896. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2897. (xfer_cnt);
  2898. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2899. /* poll for completion */
  2900. i = 0;
  2901. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2902. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2903. udelay(10);
  2904. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2905. if (i++ > 1000) {
  2906. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2907. rc = -EFAULT;
  2908. break;
  2909. }
  2910. }
  2911. if (rc == -EFAULT)
  2912. return rc;
  2913. for (i = (lc_addr >> 2); i < 4; i++) {
  2914. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2915. #ifdef __BIG_ENDIAN
  2916. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2917. ((data_array[i] & 0x0000ff00) << 8) |
  2918. ((data_array[i] & 0x00ff0000) >> 8) |
  2919. ((data_array[i] & 0xff000000) >> 24);
  2920. #endif
  2921. }
  2922. return rc;
  2923. }
  2924. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2925. u8 devad, u16 reg, u16 or_val)
  2926. {
  2927. u16 val;
  2928. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2929. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2930. }
  2931. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2932. u8 devad, u16 reg, u16 *ret_val)
  2933. {
  2934. u8 phy_index;
  2935. /*
  2936. * Probe for the phy according to the given phy_addr, and execute
  2937. * the read request on it
  2938. */
  2939. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2940. if (params->phy[phy_index].addr == phy_addr) {
  2941. return bnx2x_cl45_read(params->bp,
  2942. &params->phy[phy_index], devad,
  2943. reg, ret_val);
  2944. }
  2945. }
  2946. return -EINVAL;
  2947. }
  2948. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2949. u8 devad, u16 reg, u16 val)
  2950. {
  2951. u8 phy_index;
  2952. /*
  2953. * Probe for the phy according to the given phy_addr, and execute
  2954. * the write request on it
  2955. */
  2956. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2957. if (params->phy[phy_index].addr == phy_addr) {
  2958. return bnx2x_cl45_write(params->bp,
  2959. &params->phy[phy_index], devad,
  2960. reg, val);
  2961. }
  2962. }
  2963. return -EINVAL;
  2964. }
  2965. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2966. struct link_params *params)
  2967. {
  2968. u8 lane = 0;
  2969. struct bnx2x *bp = params->bp;
  2970. u32 path_swap, path_swap_ovr;
  2971. u8 path, port;
  2972. path = BP_PATH(bp);
  2973. port = params->port;
  2974. if (bnx2x_is_4_port_mode(bp)) {
  2975. u32 port_swap, port_swap_ovr;
  2976. /*figure out path swap value */
  2977. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2978. if (path_swap_ovr & 0x1)
  2979. path_swap = (path_swap_ovr & 0x2);
  2980. else
  2981. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2982. if (path_swap)
  2983. path = path ^ 1;
  2984. /*figure out port swap value */
  2985. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2986. if (port_swap_ovr & 0x1)
  2987. port_swap = (port_swap_ovr & 0x2);
  2988. else
  2989. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2990. if (port_swap)
  2991. port = port ^ 1;
  2992. lane = (port<<1) + path;
  2993. } else { /* two port mode - no port swap */
  2994. /*figure out path swap value */
  2995. path_swap_ovr =
  2996. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2997. if (path_swap_ovr & 0x1) {
  2998. path_swap = (path_swap_ovr & 0x2);
  2999. } else {
  3000. path_swap =
  3001. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3002. }
  3003. if (path_swap)
  3004. path = path ^ 1;
  3005. lane = path << 1 ;
  3006. }
  3007. return lane;
  3008. }
  3009. static void bnx2x_set_aer_mmd(struct link_params *params,
  3010. struct bnx2x_phy *phy)
  3011. {
  3012. u32 ser_lane;
  3013. u16 offset, aer_val;
  3014. struct bnx2x *bp = params->bp;
  3015. ser_lane = ((params->lane_config &
  3016. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3017. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3018. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3019. (phy->addr + ser_lane) : 0;
  3020. if (USES_WARPCORE(bp)) {
  3021. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3022. /*
  3023. * In Dual-lane mode, two lanes are joined together,
  3024. * so in order to configure them, the AER broadcast method is
  3025. * used here.
  3026. * 0x200 is the broadcast address for lanes 0,1
  3027. * 0x201 is the broadcast address for lanes 2,3
  3028. */
  3029. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3030. aer_val = (aer_val >> 1) | 0x200;
  3031. } else if (CHIP_IS_E2(bp))
  3032. aer_val = 0x3800 + offset - 1;
  3033. else
  3034. aer_val = 0x3800 + offset;
  3035. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3036. MDIO_AER_BLOCK_AER_REG, aer_val);
  3037. }
  3038. /******************************************************************/
  3039. /* Internal phy section */
  3040. /******************************************************************/
  3041. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3042. {
  3043. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3044. /* Set Clause 22 */
  3045. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3046. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3047. udelay(500);
  3048. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3049. udelay(500);
  3050. /* Set Clause 45 */
  3051. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3052. }
  3053. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3054. {
  3055. u32 val;
  3056. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3057. val = SERDES_RESET_BITS << (port*16);
  3058. /* reset and unreset the SerDes/XGXS */
  3059. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3060. udelay(500);
  3061. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3062. bnx2x_set_serdes_access(bp, port);
  3063. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3064. DEFAULT_PHY_DEV_ADDR);
  3065. }
  3066. static void bnx2x_xgxs_deassert(struct link_params *params)
  3067. {
  3068. struct bnx2x *bp = params->bp;
  3069. u8 port;
  3070. u32 val;
  3071. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3072. port = params->port;
  3073. val = XGXS_RESET_BITS << (port*16);
  3074. /* reset and unreset the SerDes/XGXS */
  3075. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3076. udelay(500);
  3077. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3078. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3079. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3080. params->phy[INT_PHY].def_md_devad);
  3081. }
  3082. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3083. struct link_params *params, u16 *ieee_fc)
  3084. {
  3085. struct bnx2x *bp = params->bp;
  3086. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3087. /**
  3088. * resolve pause mode and advertisement Please refer to Table
  3089. * 28B-3 of the 802.3ab-1999 spec
  3090. */
  3091. switch (phy->req_flow_ctrl) {
  3092. case BNX2X_FLOW_CTRL_AUTO:
  3093. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3094. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3095. else
  3096. *ieee_fc |=
  3097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3098. break;
  3099. case BNX2X_FLOW_CTRL_TX:
  3100. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3101. break;
  3102. case BNX2X_FLOW_CTRL_RX:
  3103. case BNX2X_FLOW_CTRL_BOTH:
  3104. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3105. break;
  3106. case BNX2X_FLOW_CTRL_NONE:
  3107. default:
  3108. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3109. break;
  3110. }
  3111. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3112. }
  3113. static void set_phy_vars(struct link_params *params,
  3114. struct link_vars *vars)
  3115. {
  3116. struct bnx2x *bp = params->bp;
  3117. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3118. u8 phy_config_swapped = params->multi_phy_config &
  3119. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3120. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3121. phy_index++) {
  3122. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3123. actual_phy_idx = phy_index;
  3124. if (phy_config_swapped) {
  3125. if (phy_index == EXT_PHY1)
  3126. actual_phy_idx = EXT_PHY2;
  3127. else if (phy_index == EXT_PHY2)
  3128. actual_phy_idx = EXT_PHY1;
  3129. }
  3130. params->phy[actual_phy_idx].req_flow_ctrl =
  3131. params->req_flow_ctrl[link_cfg_idx];
  3132. params->phy[actual_phy_idx].req_line_speed =
  3133. params->req_line_speed[link_cfg_idx];
  3134. params->phy[actual_phy_idx].speed_cap_mask =
  3135. params->speed_cap_mask[link_cfg_idx];
  3136. params->phy[actual_phy_idx].req_duplex =
  3137. params->req_duplex[link_cfg_idx];
  3138. if (params->req_line_speed[link_cfg_idx] ==
  3139. SPEED_AUTO_NEG)
  3140. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3141. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3142. " speed_cap_mask %x\n",
  3143. params->phy[actual_phy_idx].req_flow_ctrl,
  3144. params->phy[actual_phy_idx].req_line_speed,
  3145. params->phy[actual_phy_idx].speed_cap_mask);
  3146. }
  3147. }
  3148. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3149. struct bnx2x_phy *phy,
  3150. struct link_vars *vars)
  3151. {
  3152. u16 val;
  3153. struct bnx2x *bp = params->bp;
  3154. /* read modify write pause advertizing */
  3155. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3156. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3157. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3158. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3159. if ((vars->ieee_fc &
  3160. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3161. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3162. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3163. }
  3164. if ((vars->ieee_fc &
  3165. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3166. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3167. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3168. }
  3169. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3170. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3171. }
  3172. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3173. { /* LD LP */
  3174. switch (pause_result) { /* ASYM P ASYM P */
  3175. case 0xb: /* 1 0 1 1 */
  3176. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3177. break;
  3178. case 0xe: /* 1 1 1 0 */
  3179. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3180. break;
  3181. case 0x5: /* 0 1 0 1 */
  3182. case 0x7: /* 0 1 1 1 */
  3183. case 0xd: /* 1 1 0 1 */
  3184. case 0xf: /* 1 1 1 1 */
  3185. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3186. break;
  3187. default:
  3188. break;
  3189. }
  3190. if (pause_result & (1<<0))
  3191. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3192. if (pause_result & (1<<1))
  3193. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3194. }
  3195. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3196. struct link_params *params,
  3197. struct link_vars *vars)
  3198. {
  3199. struct bnx2x *bp = params->bp;
  3200. u16 ld_pause; /* local */
  3201. u16 lp_pause; /* link partner */
  3202. u16 pause_result;
  3203. u8 ret = 0;
  3204. /* read twice */
  3205. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3206. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3207. vars->flow_ctrl = phy->req_flow_ctrl;
  3208. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3209. vars->flow_ctrl = params->req_fc_auto_adv;
  3210. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3211. ret = 1;
  3212. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3213. bnx2x_cl22_read(bp, phy,
  3214. 0x4, &ld_pause);
  3215. bnx2x_cl22_read(bp, phy,
  3216. 0x5, &lp_pause);
  3217. } else {
  3218. bnx2x_cl45_read(bp, phy,
  3219. MDIO_AN_DEVAD,
  3220. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3221. bnx2x_cl45_read(bp, phy,
  3222. MDIO_AN_DEVAD,
  3223. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3224. }
  3225. pause_result = (ld_pause &
  3226. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3227. pause_result |= (lp_pause &
  3228. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3229. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3230. pause_result);
  3231. bnx2x_pause_resolve(vars, pause_result);
  3232. }
  3233. return ret;
  3234. }
  3235. /******************************************************************/
  3236. /* Warpcore section */
  3237. /******************************************************************/
  3238. /* The init_internal_warpcore should mirror the xgxs,
  3239. * i.e. reset the lane (if needed), set aer for the
  3240. * init configuration, and set/clear SGMII flag. Internal
  3241. * phy init is done purely in phy_init stage.
  3242. */
  3243. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3244. struct link_params *params,
  3245. struct link_vars *vars) {
  3246. u16 val16 = 0, lane, bam37 = 0;
  3247. struct bnx2x *bp = params->bp;
  3248. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3249. /* Disable Autoneg: re-enable it after adv is done. */
  3250. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3251. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3252. /* Check adding advertisement for 1G KX */
  3253. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3254. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3255. (vars->line_speed == SPEED_1000)) {
  3256. u16 sd_digital;
  3257. val16 |= (1<<5);
  3258. /* Enable CL37 1G Parallel Detect */
  3259. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3261. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3263. (sd_digital | 0x1));
  3264. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3265. }
  3266. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3267. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3268. (vars->line_speed == SPEED_10000)) {
  3269. /* Check adding advertisement for 10G KR */
  3270. val16 |= (1<<7);
  3271. /* Enable 10G Parallel Detect */
  3272. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3273. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3274. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3275. }
  3276. /* Set Transmit PMD settings */
  3277. lane = bnx2x_get_warpcore_lane(phy, params);
  3278. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3280. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3281. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3282. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3285. 0x03f0);
  3286. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3288. 0x03f0);
  3289. /* Advertised speeds */
  3290. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3291. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3292. /* Advertised and set FEC (Forward Error Correction) */
  3293. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3294. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3295. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3296. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3297. /* Enable CL37 BAM */
  3298. if (REG_RD(bp, params->shmem_base +
  3299. offsetof(struct shmem_region, dev_info.
  3300. port_hw_config[params->port].default_cfg)) &
  3301. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3302. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3304. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3306. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3307. }
  3308. /* Advertise pause */
  3309. bnx2x_ext_phy_set_pause(params, phy, vars);
  3310. /*
  3311. * Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3312. */
  3313. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3315. if (val16 < 0xd108) {
  3316. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3317. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3318. }
  3319. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3320. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3321. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3323. /* Over 1G - AN local device user page 1 */
  3324. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3325. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3326. /* Enable Autoneg */
  3327. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3328. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3329. }
  3330. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3331. struct link_params *params,
  3332. struct link_vars *vars)
  3333. {
  3334. struct bnx2x *bp = params->bp;
  3335. u16 val;
  3336. /* Disable Autoneg */
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3339. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3340. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3343. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3344. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3345. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3346. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3351. /* Disable CL36 PCS Tx */
  3352. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3354. /* Double Wide Single Data Rate @ pll rate */
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3357. /* Leave cl72 training enable, needed for KR */
  3358. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3359. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3360. 0x2);
  3361. /* Leave CL72 enabled */
  3362. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3364. &val);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3367. val | 0x3800);
  3368. /* Set speed via PMA/PMD register */
  3369. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3370. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3371. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3372. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3373. /*Enable encoded forced speed */
  3374. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3375. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3376. /* Turn TX scramble payload only the 64/66 scrambler */
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3379. /* Turn RX scramble payload only the 64/66 scrambler */
  3380. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3382. /* set and clear loopback to cause a reset to 64/66 decoder */
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3387. }
  3388. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3389. struct link_params *params,
  3390. u8 is_xfi)
  3391. {
  3392. struct bnx2x *bp = params->bp;
  3393. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3394. /* Hold rxSeqStart */
  3395. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3397. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3399. /* Hold tx_fifo_reset */
  3400. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3402. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3404. /* Disable CL73 AN */
  3405. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3406. /* Disable 100FX Enable and Auto-Detect */
  3407. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_FX100_CTRL1, &val);
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3411. /* Disable 100FX Idle detect */
  3412. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_FX100_CTRL3, &val);
  3414. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3416. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3417. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3419. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3421. /* Turn off auto-detect & fiber mode */
  3422. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3426. (val & 0xFFEE));
  3427. /* Set filter_force_link, disable_false_link and parallel_detect */
  3428. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3430. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3432. ((val | 0x0006) & 0xFFFE));
  3433. /* Set XFI / SFI */
  3434. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3436. misc1_val &= ~(0x1f);
  3437. if (is_xfi) {
  3438. misc1_val |= 0x5;
  3439. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3440. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3441. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3442. tx_driver_val =
  3443. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3444. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3445. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3446. } else {
  3447. misc1_val |= 0x9;
  3448. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3449. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3450. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3451. tx_driver_val =
  3452. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3453. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3454. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3455. }
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3458. /* Set Transmit PMD settings */
  3459. lane = bnx2x_get_warpcore_lane(phy, params);
  3460. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_TX_FIR_TAP,
  3462. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3463. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3465. tx_driver_val);
  3466. /* Enable fiber mode, enable and invert sig_det */
  3467. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3471. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3472. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3476. /* 10G XFI Full Duplex */
  3477. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3479. /* Release tx_fifo_reset */
  3480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3482. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3484. /* Release rxSeqStart */
  3485. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3489. }
  3490. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3491. struct bnx2x_phy *phy)
  3492. {
  3493. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3494. }
  3495. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3496. struct bnx2x_phy *phy,
  3497. u16 lane)
  3498. {
  3499. /* Rx0 anaRxControl1G */
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3502. /* Rx2 anaRxControl1G */
  3503. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3521. /* Serdes Digital Misc1 */
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3524. /* Serdes Digital4 Misc3 */
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3527. /* Set Transmit PMD settings */
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_TX_FIR_TAP,
  3530. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3531. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3532. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3533. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3536. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3537. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3538. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3539. }
  3540. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3541. struct link_params *params,
  3542. u8 fiber_mode,
  3543. u8 always_autoneg)
  3544. {
  3545. struct bnx2x *bp = params->bp;
  3546. u16 val16, digctrl_kx1, digctrl_kx2;
  3547. /* Clear XFI clock comp in non-10G single lane mode. */
  3548. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_RX66_CONTROL, &val16);
  3550. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3552. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3553. /* SGMII Autoneg */
  3554. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3556. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3558. val16 | 0x1000);
  3559. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3560. } else {
  3561. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3563. val16 &= 0xcebf;
  3564. switch (phy->req_line_speed) {
  3565. case SPEED_10:
  3566. break;
  3567. case SPEED_100:
  3568. val16 |= 0x2000;
  3569. break;
  3570. case SPEED_1000:
  3571. val16 |= 0x0040;
  3572. break;
  3573. default:
  3574. DP(NETIF_MSG_LINK,
  3575. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3576. return;
  3577. }
  3578. if (phy->req_duplex == DUPLEX_FULL)
  3579. val16 |= 0x0100;
  3580. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3582. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3583. phy->req_line_speed);
  3584. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3585. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3586. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3587. }
  3588. /* SGMII Slave mode and disable signal detect */
  3589. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3591. if (fiber_mode)
  3592. digctrl_kx1 = 1;
  3593. else
  3594. digctrl_kx1 &= 0xff4a;
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3597. digctrl_kx1);
  3598. /* Turn off parallel detect */
  3599. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3601. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3603. (digctrl_kx2 & ~(1<<2)));
  3604. /* Re-enable parallel detect */
  3605. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3607. (digctrl_kx2 | (1<<2)));
  3608. /* Enable autodet */
  3609. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3611. (digctrl_kx1 | 0x10));
  3612. }
  3613. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3614. struct bnx2x_phy *phy,
  3615. u8 reset)
  3616. {
  3617. u16 val;
  3618. /* Take lane out of reset after configuration is finished */
  3619. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3620. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3621. if (reset)
  3622. val |= 0xC000;
  3623. else
  3624. val &= 0x3FFF;
  3625. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3626. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3627. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3629. }
  3630. /* Clear SFI/XFI link settings registers */
  3631. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3632. struct link_params *params,
  3633. u16 lane)
  3634. {
  3635. struct bnx2x *bp = params->bp;
  3636. u16 val16;
  3637. /* Set XFI clock comp as default. */
  3638. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_RX66_CONTROL, &val16);
  3640. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3642. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3643. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3644. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3646. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3654. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3658. lane = bnx2x_get_warpcore_lane(phy, params);
  3659. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3660. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3663. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3665. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3667. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3668. }
  3669. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3670. u32 chip_id,
  3671. u32 shmem_base, u8 port,
  3672. u8 *gpio_num, u8 *gpio_port)
  3673. {
  3674. u32 cfg_pin;
  3675. *gpio_num = 0;
  3676. *gpio_port = 0;
  3677. if (CHIP_IS_E3(bp)) {
  3678. cfg_pin = (REG_RD(bp, shmem_base +
  3679. offsetof(struct shmem_region,
  3680. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3681. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3682. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3683. /*
  3684. * Should not happen. This function called upon interrupt
  3685. * triggered by GPIO ( since EPIO can only generate interrupts
  3686. * to MCP).
  3687. * So if this function was called and none of the GPIOs was set,
  3688. * it means the shit hit the fan.
  3689. */
  3690. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3691. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3692. DP(NETIF_MSG_LINK,
  3693. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3694. cfg_pin);
  3695. return -EINVAL;
  3696. }
  3697. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3698. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3699. } else {
  3700. *gpio_num = MISC_REGISTERS_GPIO_3;
  3701. *gpio_port = port;
  3702. }
  3703. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3704. return 0;
  3705. }
  3706. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3707. struct link_params *params)
  3708. {
  3709. struct bnx2x *bp = params->bp;
  3710. u8 gpio_num, gpio_port;
  3711. u32 gpio_val;
  3712. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3713. params->shmem_base, params->port,
  3714. &gpio_num, &gpio_port) != 0)
  3715. return 0;
  3716. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3717. /* Call the handling function in case module is detected */
  3718. if (gpio_val == 0)
  3719. return 1;
  3720. else
  3721. return 0;
  3722. }
  3723. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3724. struct link_params *params)
  3725. {
  3726. u16 gp2_status_reg0, lane;
  3727. struct bnx2x *bp = params->bp;
  3728. lane = bnx2x_get_warpcore_lane(phy, params);
  3729. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3730. &gp2_status_reg0);
  3731. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3732. }
  3733. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3734. struct link_params *params,
  3735. struct link_vars *vars)
  3736. {
  3737. struct bnx2x *bp = params->bp;
  3738. u32 serdes_net_if;
  3739. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3740. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3741. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3742. if (!vars->turn_to_run_wc_rt)
  3743. return;
  3744. /* return if there is no link partner */
  3745. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3746. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3747. return;
  3748. }
  3749. if (vars->rx_tx_asic_rst) {
  3750. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3751. offsetof(struct shmem_region, dev_info.
  3752. port_hw_config[params->port].default_cfg)) &
  3753. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3754. switch (serdes_net_if) {
  3755. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3756. /* Do we get link yet? */
  3757. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3758. &gp_status1);
  3759. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3760. /*10G KR*/
  3761. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3762. DP(NETIF_MSG_LINK,
  3763. "gp_status1 0x%x\n", gp_status1);
  3764. if (lnkup_kr || lnkup) {
  3765. vars->rx_tx_asic_rst = 0;
  3766. DP(NETIF_MSG_LINK,
  3767. "link up, rx_tx_asic_rst 0x%x\n",
  3768. vars->rx_tx_asic_rst);
  3769. } else {
  3770. /*reset the lane to see if link comes up.*/
  3771. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3772. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3773. /* restart Autoneg */
  3774. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3775. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3776. vars->rx_tx_asic_rst--;
  3777. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3778. vars->rx_tx_asic_rst);
  3779. }
  3780. break;
  3781. default:
  3782. break;
  3783. }
  3784. } /*params->rx_tx_asic_rst*/
  3785. }
  3786. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3787. struct link_params *params,
  3788. struct link_vars *vars)
  3789. {
  3790. struct bnx2x *bp = params->bp;
  3791. u32 serdes_net_if;
  3792. u8 fiber_mode;
  3793. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3794. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3795. offsetof(struct shmem_region, dev_info.
  3796. port_hw_config[params->port].default_cfg)) &
  3797. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3798. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3799. "serdes_net_if = 0x%x\n",
  3800. vars->line_speed, serdes_net_if);
  3801. bnx2x_set_aer_mmd(params, phy);
  3802. vars->phy_flags |= PHY_XGXS_FLAG;
  3803. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3804. (phy->req_line_speed &&
  3805. ((phy->req_line_speed == SPEED_100) ||
  3806. (phy->req_line_speed == SPEED_10)))) {
  3807. vars->phy_flags |= PHY_SGMII_FLAG;
  3808. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3809. bnx2x_warpcore_clear_regs(phy, params, lane);
  3810. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3811. } else {
  3812. switch (serdes_net_if) {
  3813. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3814. /* Enable KR Auto Neg */
  3815. if (params->loopback_mode == LOOPBACK_NONE)
  3816. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3817. else {
  3818. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3819. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3820. }
  3821. break;
  3822. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3823. bnx2x_warpcore_clear_regs(phy, params, lane);
  3824. if (vars->line_speed == SPEED_10000) {
  3825. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3826. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3827. } else {
  3828. if (SINGLE_MEDIA_DIRECT(params)) {
  3829. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3830. fiber_mode = 1;
  3831. } else {
  3832. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3833. fiber_mode = 0;
  3834. }
  3835. bnx2x_warpcore_set_sgmii_speed(phy,
  3836. params,
  3837. fiber_mode,
  3838. 0);
  3839. }
  3840. break;
  3841. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3842. bnx2x_warpcore_clear_regs(phy, params, lane);
  3843. if (vars->line_speed == SPEED_10000) {
  3844. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3845. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3846. } else if (vars->line_speed == SPEED_1000) {
  3847. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3848. bnx2x_warpcore_set_sgmii_speed(
  3849. phy, params, 1, 0);
  3850. }
  3851. /* Issue Module detection */
  3852. if (bnx2x_is_sfp_module_plugged(phy, params))
  3853. bnx2x_sfp_module_detection(phy, params);
  3854. break;
  3855. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3856. if (vars->line_speed != SPEED_20000) {
  3857. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3858. return;
  3859. }
  3860. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3861. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3862. /* Issue Module detection */
  3863. bnx2x_sfp_module_detection(phy, params);
  3864. break;
  3865. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3866. if (vars->line_speed != SPEED_20000) {
  3867. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3868. return;
  3869. }
  3870. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3871. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3872. break;
  3873. default:
  3874. DP(NETIF_MSG_LINK,
  3875. "Unsupported Serdes Net Interface 0x%x\n",
  3876. serdes_net_if);
  3877. return;
  3878. }
  3879. }
  3880. /* Take lane out of reset after configuration is finished */
  3881. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3882. DP(NETIF_MSG_LINK, "Exit config init\n");
  3883. }
  3884. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3885. struct bnx2x_phy *phy,
  3886. u8 tx_en)
  3887. {
  3888. struct bnx2x *bp = params->bp;
  3889. u32 cfg_pin;
  3890. u8 port = params->port;
  3891. cfg_pin = REG_RD(bp, params->shmem_base +
  3892. offsetof(struct shmem_region,
  3893. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3894. PORT_HW_CFG_TX_LASER_MASK;
  3895. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3896. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3897. /* For 20G, the expected pin to be used is 3 pins after the current */
  3898. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3899. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3900. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3901. }
  3902. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3903. struct link_params *params)
  3904. {
  3905. struct bnx2x *bp = params->bp;
  3906. u16 val16;
  3907. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3908. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3909. bnx2x_set_aer_mmd(params, phy);
  3910. /* Global register */
  3911. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3912. /* Clear loopback settings (if any) */
  3913. /* 10G & 20G */
  3914. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3915. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3916. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3917. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3918. 0xBFFF);
  3919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3920. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3921. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3922. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3923. /* Update those 1-copy registers */
  3924. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3925. MDIO_AER_BLOCK_AER_REG, 0);
  3926. /* Enable 1G MDIO (1-copy) */
  3927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3928. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3929. &val16);
  3930. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3931. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3932. val16 & ~0x10);
  3933. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3934. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3935. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3936. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3937. val16 & 0xff00);
  3938. }
  3939. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3940. struct link_params *params)
  3941. {
  3942. struct bnx2x *bp = params->bp;
  3943. u16 val16;
  3944. u32 lane;
  3945. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3946. params->loopback_mode, phy->req_line_speed);
  3947. if (phy->req_line_speed < SPEED_10000) {
  3948. /* 10/100/1000 */
  3949. /* Update those 1-copy registers */
  3950. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3951. MDIO_AER_BLOCK_AER_REG, 0);
  3952. /* Enable 1G MDIO (1-copy) */
  3953. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3954. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3955. &val16);
  3956. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3957. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3958. val16 | 0x10);
  3959. /* Set 1G loopback based on lane (1-copy) */
  3960. lane = bnx2x_get_warpcore_lane(phy, params);
  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 | (1<<lane));
  3966. /* Switch back to 4-copy registers */
  3967. bnx2x_set_aer_mmd(params, phy);
  3968. } else {
  3969. /* 10G & 20G */
  3970. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3972. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3973. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3974. 0x4000);
  3975. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3977. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3979. }
  3980. }
  3981. void bnx2x_sync_link(struct link_params *params,
  3982. struct link_vars *vars)
  3983. {
  3984. struct bnx2x *bp = params->bp;
  3985. u8 link_10g_plus;
  3986. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3987. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3988. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3989. if (vars->link_up) {
  3990. DP(NETIF_MSG_LINK, "phy link up\n");
  3991. vars->phy_link_up = 1;
  3992. vars->duplex = DUPLEX_FULL;
  3993. switch (vars->link_status &
  3994. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3995. case LINK_10THD:
  3996. vars->duplex = DUPLEX_HALF;
  3997. /* fall thru */
  3998. case LINK_10TFD:
  3999. vars->line_speed = SPEED_10;
  4000. break;
  4001. case LINK_100TXHD:
  4002. vars->duplex = DUPLEX_HALF;
  4003. /* fall thru */
  4004. case LINK_100T4:
  4005. case LINK_100TXFD:
  4006. vars->line_speed = SPEED_100;
  4007. break;
  4008. case LINK_1000THD:
  4009. vars->duplex = DUPLEX_HALF;
  4010. /* fall thru */
  4011. case LINK_1000TFD:
  4012. vars->line_speed = SPEED_1000;
  4013. break;
  4014. case LINK_2500THD:
  4015. vars->duplex = DUPLEX_HALF;
  4016. /* fall thru */
  4017. case LINK_2500TFD:
  4018. vars->line_speed = SPEED_2500;
  4019. break;
  4020. case LINK_10GTFD:
  4021. vars->line_speed = SPEED_10000;
  4022. break;
  4023. case LINK_20GTFD:
  4024. vars->line_speed = SPEED_20000;
  4025. break;
  4026. default:
  4027. break;
  4028. }
  4029. vars->flow_ctrl = 0;
  4030. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4031. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4032. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4033. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4034. if (!vars->flow_ctrl)
  4035. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4036. if (vars->line_speed &&
  4037. ((vars->line_speed == SPEED_10) ||
  4038. (vars->line_speed == SPEED_100))) {
  4039. vars->phy_flags |= PHY_SGMII_FLAG;
  4040. } else {
  4041. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4042. }
  4043. if (vars->line_speed &&
  4044. USES_WARPCORE(bp) &&
  4045. (vars->line_speed == SPEED_1000))
  4046. vars->phy_flags |= PHY_SGMII_FLAG;
  4047. /* anything 10 and over uses the bmac */
  4048. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4049. if (link_10g_plus) {
  4050. if (USES_WARPCORE(bp))
  4051. vars->mac_type = MAC_TYPE_XMAC;
  4052. else
  4053. vars->mac_type = MAC_TYPE_BMAC;
  4054. } else {
  4055. if (USES_WARPCORE(bp))
  4056. vars->mac_type = MAC_TYPE_UMAC;
  4057. else
  4058. vars->mac_type = MAC_TYPE_EMAC;
  4059. }
  4060. } else { /* link down */
  4061. DP(NETIF_MSG_LINK, "phy link down\n");
  4062. vars->phy_link_up = 0;
  4063. vars->line_speed = 0;
  4064. vars->duplex = DUPLEX_FULL;
  4065. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4066. /* indicate no mac active */
  4067. vars->mac_type = MAC_TYPE_NONE;
  4068. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4069. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4070. }
  4071. }
  4072. void bnx2x_link_status_update(struct link_params *params,
  4073. struct link_vars *vars)
  4074. {
  4075. struct bnx2x *bp = params->bp;
  4076. u8 port = params->port;
  4077. u32 sync_offset, media_types;
  4078. /* Update PHY configuration */
  4079. set_phy_vars(params, vars);
  4080. vars->link_status = REG_RD(bp, params->shmem_base +
  4081. offsetof(struct shmem_region,
  4082. port_mb[port].link_status));
  4083. vars->phy_flags = PHY_XGXS_FLAG;
  4084. bnx2x_sync_link(params, vars);
  4085. /* Sync media type */
  4086. sync_offset = params->shmem_base +
  4087. offsetof(struct shmem_region,
  4088. dev_info.port_hw_config[port].media_type);
  4089. media_types = REG_RD(bp, sync_offset);
  4090. params->phy[INT_PHY].media_type =
  4091. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4092. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4093. params->phy[EXT_PHY1].media_type =
  4094. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4095. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4096. params->phy[EXT_PHY2].media_type =
  4097. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4098. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4099. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4100. /* Sync AEU offset */
  4101. sync_offset = params->shmem_base +
  4102. offsetof(struct shmem_region,
  4103. dev_info.port_hw_config[port].aeu_int_mask);
  4104. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4105. /* Sync PFC status */
  4106. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4107. params->feature_config_flags |=
  4108. FEATURE_CONFIG_PFC_ENABLED;
  4109. else
  4110. params->feature_config_flags &=
  4111. ~FEATURE_CONFIG_PFC_ENABLED;
  4112. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4113. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4114. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4115. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4116. }
  4117. static void bnx2x_set_master_ln(struct link_params *params,
  4118. struct bnx2x_phy *phy)
  4119. {
  4120. struct bnx2x *bp = params->bp;
  4121. u16 new_master_ln, ser_lane;
  4122. ser_lane = ((params->lane_config &
  4123. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4124. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4125. /* set the master_ln for AN */
  4126. CL22_RD_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_XGXS_BLOCK2,
  4128. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4129. &new_master_ln);
  4130. CL22_WR_OVER_CL45(bp, phy,
  4131. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4132. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4133. (new_master_ln | ser_lane));
  4134. }
  4135. static int bnx2x_reset_unicore(struct link_params *params,
  4136. struct bnx2x_phy *phy,
  4137. u8 set_serdes)
  4138. {
  4139. struct bnx2x *bp = params->bp;
  4140. u16 mii_control;
  4141. u16 i;
  4142. CL22_RD_OVER_CL45(bp, phy,
  4143. MDIO_REG_BANK_COMBO_IEEE0,
  4144. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4145. /* reset the unicore */
  4146. CL22_WR_OVER_CL45(bp, phy,
  4147. MDIO_REG_BANK_COMBO_IEEE0,
  4148. MDIO_COMBO_IEEE0_MII_CONTROL,
  4149. (mii_control |
  4150. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4151. if (set_serdes)
  4152. bnx2x_set_serdes_access(bp, params->port);
  4153. /* wait for the reset to self clear */
  4154. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4155. udelay(5);
  4156. /* the reset erased the previous bank value */
  4157. CL22_RD_OVER_CL45(bp, phy,
  4158. MDIO_REG_BANK_COMBO_IEEE0,
  4159. MDIO_COMBO_IEEE0_MII_CONTROL,
  4160. &mii_control);
  4161. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4162. udelay(5);
  4163. return 0;
  4164. }
  4165. }
  4166. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4167. " Port %d\n",
  4168. params->port);
  4169. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4170. return -EINVAL;
  4171. }
  4172. static void bnx2x_set_swap_lanes(struct link_params *params,
  4173. struct bnx2x_phy *phy)
  4174. {
  4175. struct bnx2x *bp = params->bp;
  4176. /*
  4177. * Each two bits represents a lane number:
  4178. * No swap is 0123 => 0x1b no need to enable the swap
  4179. */
  4180. u16 rx_lane_swap, tx_lane_swap;
  4181. rx_lane_swap = ((params->lane_config &
  4182. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4183. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4184. tx_lane_swap = ((params->lane_config &
  4185. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4186. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4187. if (rx_lane_swap != 0x1b) {
  4188. CL22_WR_OVER_CL45(bp, phy,
  4189. MDIO_REG_BANK_XGXS_BLOCK2,
  4190. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4191. (rx_lane_swap |
  4192. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4193. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4194. } else {
  4195. CL22_WR_OVER_CL45(bp, phy,
  4196. MDIO_REG_BANK_XGXS_BLOCK2,
  4197. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4198. }
  4199. if (tx_lane_swap != 0x1b) {
  4200. CL22_WR_OVER_CL45(bp, phy,
  4201. MDIO_REG_BANK_XGXS_BLOCK2,
  4202. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4203. (tx_lane_swap |
  4204. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4205. } else {
  4206. CL22_WR_OVER_CL45(bp, phy,
  4207. MDIO_REG_BANK_XGXS_BLOCK2,
  4208. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4209. }
  4210. }
  4211. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4212. struct link_params *params)
  4213. {
  4214. struct bnx2x *bp = params->bp;
  4215. u16 control2;
  4216. CL22_RD_OVER_CL45(bp, phy,
  4217. MDIO_REG_BANK_SERDES_DIGITAL,
  4218. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4219. &control2);
  4220. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4221. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4222. else
  4223. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4224. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4225. phy->speed_cap_mask, control2);
  4226. CL22_WR_OVER_CL45(bp, phy,
  4227. MDIO_REG_BANK_SERDES_DIGITAL,
  4228. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4229. control2);
  4230. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4231. (phy->speed_cap_mask &
  4232. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4233. DP(NETIF_MSG_LINK, "XGXS\n");
  4234. CL22_WR_OVER_CL45(bp, phy,
  4235. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4236. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4237. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4238. CL22_RD_OVER_CL45(bp, phy,
  4239. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4240. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4241. &control2);
  4242. control2 |=
  4243. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4244. CL22_WR_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4246. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4247. control2);
  4248. /* Disable parallel detection of HiG */
  4249. CL22_WR_OVER_CL45(bp, phy,
  4250. MDIO_REG_BANK_XGXS_BLOCK2,
  4251. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4252. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4253. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4254. }
  4255. }
  4256. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4257. struct link_params *params,
  4258. struct link_vars *vars,
  4259. u8 enable_cl73)
  4260. {
  4261. struct bnx2x *bp = params->bp;
  4262. u16 reg_val;
  4263. /* CL37 Autoneg */
  4264. CL22_RD_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_COMBO_IEEE0,
  4266. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4267. /* CL37 Autoneg Enabled */
  4268. if (vars->line_speed == SPEED_AUTO_NEG)
  4269. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4270. else /* CL37 Autoneg Disabled */
  4271. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4272. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4273. CL22_WR_OVER_CL45(bp, phy,
  4274. MDIO_REG_BANK_COMBO_IEEE0,
  4275. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4276. /* Enable/Disable Autodetection */
  4277. CL22_RD_OVER_CL45(bp, phy,
  4278. MDIO_REG_BANK_SERDES_DIGITAL,
  4279. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4280. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4281. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4282. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4283. if (vars->line_speed == SPEED_AUTO_NEG)
  4284. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4285. else
  4286. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4287. CL22_WR_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_SERDES_DIGITAL,
  4289. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4290. /* Enable TetonII and BAM autoneg */
  4291. CL22_RD_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4293. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4294. &reg_val);
  4295. if (vars->line_speed == SPEED_AUTO_NEG) {
  4296. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4297. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4298. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4299. } else {
  4300. /* TetonII and BAM Autoneg Disabled */
  4301. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4302. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4303. }
  4304. CL22_WR_OVER_CL45(bp, phy,
  4305. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4306. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4307. reg_val);
  4308. if (enable_cl73) {
  4309. /* Enable Cl73 FSM status bits */
  4310. CL22_WR_OVER_CL45(bp, phy,
  4311. MDIO_REG_BANK_CL73_USERB0,
  4312. MDIO_CL73_USERB0_CL73_UCTRL,
  4313. 0xe);
  4314. /* Enable BAM Station Manager*/
  4315. CL22_WR_OVER_CL45(bp, phy,
  4316. MDIO_REG_BANK_CL73_USERB0,
  4317. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4318. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4319. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4320. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4321. /* Advertise CL73 link speeds */
  4322. CL22_RD_OVER_CL45(bp, phy,
  4323. MDIO_REG_BANK_CL73_IEEEB1,
  4324. MDIO_CL73_IEEEB1_AN_ADV2,
  4325. &reg_val);
  4326. if (phy->speed_cap_mask &
  4327. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4328. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4329. if (phy->speed_cap_mask &
  4330. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4331. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4332. CL22_WR_OVER_CL45(bp, phy,
  4333. MDIO_REG_BANK_CL73_IEEEB1,
  4334. MDIO_CL73_IEEEB1_AN_ADV2,
  4335. reg_val);
  4336. /* CL73 Autoneg Enabled */
  4337. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4338. } else /* CL73 Autoneg Disabled */
  4339. reg_val = 0;
  4340. CL22_WR_OVER_CL45(bp, phy,
  4341. MDIO_REG_BANK_CL73_IEEEB0,
  4342. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4343. }
  4344. /* program SerDes, forced speed */
  4345. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4346. struct link_params *params,
  4347. struct link_vars *vars)
  4348. {
  4349. struct bnx2x *bp = params->bp;
  4350. u16 reg_val;
  4351. /* program duplex, disable autoneg and sgmii*/
  4352. CL22_RD_OVER_CL45(bp, phy,
  4353. MDIO_REG_BANK_COMBO_IEEE0,
  4354. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4355. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4356. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4357. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4358. if (phy->req_duplex == DUPLEX_FULL)
  4359. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4360. CL22_WR_OVER_CL45(bp, phy,
  4361. MDIO_REG_BANK_COMBO_IEEE0,
  4362. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4363. /*
  4364. * program speed
  4365. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4366. */
  4367. CL22_RD_OVER_CL45(bp, phy,
  4368. MDIO_REG_BANK_SERDES_DIGITAL,
  4369. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4370. /* clearing the speed value before setting the right speed */
  4371. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4372. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4373. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4374. if (!((vars->line_speed == SPEED_1000) ||
  4375. (vars->line_speed == SPEED_100) ||
  4376. (vars->line_speed == SPEED_10))) {
  4377. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4378. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4379. if (vars->line_speed == SPEED_10000)
  4380. reg_val |=
  4381. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4382. }
  4383. CL22_WR_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_SERDES_DIGITAL,
  4385. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4386. }
  4387. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4388. struct link_params *params)
  4389. {
  4390. struct bnx2x *bp = params->bp;
  4391. u16 val = 0;
  4392. /* configure the 48 bits for BAM AN */
  4393. /* set extended capabilities */
  4394. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4395. val |= MDIO_OVER_1G_UP1_2_5G;
  4396. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4397. val |= MDIO_OVER_1G_UP1_10G;
  4398. CL22_WR_OVER_CL45(bp, phy,
  4399. MDIO_REG_BANK_OVER_1G,
  4400. MDIO_OVER_1G_UP1, val);
  4401. CL22_WR_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_OVER_1G,
  4403. MDIO_OVER_1G_UP3, 0x400);
  4404. }
  4405. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4406. struct link_params *params,
  4407. u16 ieee_fc)
  4408. {
  4409. struct bnx2x *bp = params->bp;
  4410. u16 val;
  4411. /* for AN, we are always publishing full duplex */
  4412. CL22_WR_OVER_CL45(bp, phy,
  4413. MDIO_REG_BANK_COMBO_IEEE0,
  4414. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4415. CL22_RD_OVER_CL45(bp, phy,
  4416. MDIO_REG_BANK_CL73_IEEEB1,
  4417. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4418. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4419. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4420. CL22_WR_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_CL73_IEEEB1,
  4422. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4423. }
  4424. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4425. struct link_params *params,
  4426. u8 enable_cl73)
  4427. {
  4428. struct bnx2x *bp = params->bp;
  4429. u16 mii_control;
  4430. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4431. /* Enable and restart BAM/CL37 aneg */
  4432. if (enable_cl73) {
  4433. CL22_RD_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_CL73_IEEEB0,
  4435. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4436. &mii_control);
  4437. CL22_WR_OVER_CL45(bp, phy,
  4438. MDIO_REG_BANK_CL73_IEEEB0,
  4439. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4440. (mii_control |
  4441. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4442. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4443. } else {
  4444. CL22_RD_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_COMBO_IEEE0,
  4446. MDIO_COMBO_IEEE0_MII_CONTROL,
  4447. &mii_control);
  4448. DP(NETIF_MSG_LINK,
  4449. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4450. mii_control);
  4451. CL22_WR_OVER_CL45(bp, phy,
  4452. MDIO_REG_BANK_COMBO_IEEE0,
  4453. MDIO_COMBO_IEEE0_MII_CONTROL,
  4454. (mii_control |
  4455. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4456. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4457. }
  4458. }
  4459. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4460. struct link_params *params,
  4461. struct link_vars *vars)
  4462. {
  4463. struct bnx2x *bp = params->bp;
  4464. u16 control1;
  4465. /* in SGMII mode, the unicore is always slave */
  4466. CL22_RD_OVER_CL45(bp, phy,
  4467. MDIO_REG_BANK_SERDES_DIGITAL,
  4468. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4469. &control1);
  4470. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4471. /* set sgmii mode (and not fiber) */
  4472. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4473. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4474. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4475. CL22_WR_OVER_CL45(bp, phy,
  4476. MDIO_REG_BANK_SERDES_DIGITAL,
  4477. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4478. control1);
  4479. /* if forced speed */
  4480. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4481. /* set speed, disable autoneg */
  4482. u16 mii_control;
  4483. CL22_RD_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_COMBO_IEEE0,
  4485. MDIO_COMBO_IEEE0_MII_CONTROL,
  4486. &mii_control);
  4487. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4488. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4489. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4490. switch (vars->line_speed) {
  4491. case SPEED_100:
  4492. mii_control |=
  4493. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4494. break;
  4495. case SPEED_1000:
  4496. mii_control |=
  4497. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4498. break;
  4499. case SPEED_10:
  4500. /* there is nothing to set for 10M */
  4501. break;
  4502. default:
  4503. /* invalid speed for SGMII */
  4504. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4505. vars->line_speed);
  4506. break;
  4507. }
  4508. /* setting the full duplex */
  4509. if (phy->req_duplex == DUPLEX_FULL)
  4510. mii_control |=
  4511. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4512. CL22_WR_OVER_CL45(bp, phy,
  4513. MDIO_REG_BANK_COMBO_IEEE0,
  4514. MDIO_COMBO_IEEE0_MII_CONTROL,
  4515. mii_control);
  4516. } else { /* AN mode */
  4517. /* enable and restart AN */
  4518. bnx2x_restart_autoneg(phy, params, 0);
  4519. }
  4520. }
  4521. /*
  4522. * link management
  4523. */
  4524. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4525. struct link_params *params)
  4526. {
  4527. struct bnx2x *bp = params->bp;
  4528. u16 pd_10g, status2_1000x;
  4529. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4530. return 0;
  4531. CL22_RD_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_SERDES_DIGITAL,
  4533. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4534. &status2_1000x);
  4535. CL22_RD_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_SERDES_DIGITAL,
  4537. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4538. &status2_1000x);
  4539. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4540. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4541. params->port);
  4542. return 1;
  4543. }
  4544. CL22_RD_OVER_CL45(bp, phy,
  4545. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4546. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4547. &pd_10g);
  4548. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4549. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4550. params->port);
  4551. return 1;
  4552. }
  4553. return 0;
  4554. }
  4555. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4556. struct link_params *params,
  4557. struct link_vars *vars,
  4558. u32 gp_status)
  4559. {
  4560. struct bnx2x *bp = params->bp;
  4561. u16 ld_pause; /* local driver */
  4562. u16 lp_pause; /* link partner */
  4563. u16 pause_result;
  4564. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4565. /* resolve from gp_status in case of AN complete and not sgmii */
  4566. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4567. vars->flow_ctrl = phy->req_flow_ctrl;
  4568. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4569. vars->flow_ctrl = params->req_fc_auto_adv;
  4570. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4571. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4572. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4573. vars->flow_ctrl = params->req_fc_auto_adv;
  4574. return;
  4575. }
  4576. if ((gp_status &
  4577. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4578. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4579. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4580. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4581. CL22_RD_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_CL73_IEEEB1,
  4583. MDIO_CL73_IEEEB1_AN_ADV1,
  4584. &ld_pause);
  4585. CL22_RD_OVER_CL45(bp, phy,
  4586. MDIO_REG_BANK_CL73_IEEEB1,
  4587. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4588. &lp_pause);
  4589. pause_result = (ld_pause &
  4590. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4591. >> 8;
  4592. pause_result |= (lp_pause &
  4593. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4594. >> 10;
  4595. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4596. pause_result);
  4597. } else {
  4598. CL22_RD_OVER_CL45(bp, phy,
  4599. MDIO_REG_BANK_COMBO_IEEE0,
  4600. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4601. &ld_pause);
  4602. CL22_RD_OVER_CL45(bp, phy,
  4603. MDIO_REG_BANK_COMBO_IEEE0,
  4604. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4605. &lp_pause);
  4606. pause_result = (ld_pause &
  4607. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4608. pause_result |= (lp_pause &
  4609. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4610. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4611. pause_result);
  4612. }
  4613. bnx2x_pause_resolve(vars, pause_result);
  4614. }
  4615. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4616. }
  4617. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4618. struct link_params *params)
  4619. {
  4620. struct bnx2x *bp = params->bp;
  4621. u16 rx_status, ustat_val, cl37_fsm_received;
  4622. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4623. /* Step 1: Make sure signal is detected */
  4624. CL22_RD_OVER_CL45(bp, phy,
  4625. MDIO_REG_BANK_RX0,
  4626. MDIO_RX0_RX_STATUS,
  4627. &rx_status);
  4628. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4629. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4630. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4631. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4632. CL22_WR_OVER_CL45(bp, phy,
  4633. MDIO_REG_BANK_CL73_IEEEB0,
  4634. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4635. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4636. return;
  4637. }
  4638. /* Step 2: Check CL73 state machine */
  4639. CL22_RD_OVER_CL45(bp, phy,
  4640. MDIO_REG_BANK_CL73_USERB0,
  4641. MDIO_CL73_USERB0_CL73_USTAT1,
  4642. &ustat_val);
  4643. if ((ustat_val &
  4644. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4645. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4646. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4647. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4648. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4649. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4650. return;
  4651. }
  4652. /*
  4653. * Step 3: Check CL37 Message Pages received to indicate LP
  4654. * supports only CL37
  4655. */
  4656. CL22_RD_OVER_CL45(bp, phy,
  4657. MDIO_REG_BANK_REMOTE_PHY,
  4658. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4659. &cl37_fsm_received);
  4660. if ((cl37_fsm_received &
  4661. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4662. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4663. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4664. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4665. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4666. "misc_rx_status(0x8330) = 0x%x\n",
  4667. cl37_fsm_received);
  4668. return;
  4669. }
  4670. /*
  4671. * The combined cl37/cl73 fsm state information indicating that
  4672. * we are connected to a device which does not support cl73, but
  4673. * does support cl37 BAM. In this case we disable cl73 and
  4674. * restart cl37 auto-neg
  4675. */
  4676. /* Disable CL73 */
  4677. CL22_WR_OVER_CL45(bp, phy,
  4678. MDIO_REG_BANK_CL73_IEEEB0,
  4679. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4680. 0);
  4681. /* Restart CL37 autoneg */
  4682. bnx2x_restart_autoneg(phy, params, 0);
  4683. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4684. }
  4685. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4686. struct link_params *params,
  4687. struct link_vars *vars,
  4688. u32 gp_status)
  4689. {
  4690. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4691. vars->link_status |=
  4692. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4693. if (bnx2x_direct_parallel_detect_used(phy, params))
  4694. vars->link_status |=
  4695. LINK_STATUS_PARALLEL_DETECTION_USED;
  4696. }
  4697. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4698. struct link_params *params,
  4699. struct link_vars *vars,
  4700. u16 is_link_up,
  4701. u16 speed_mask,
  4702. u16 is_duplex)
  4703. {
  4704. struct bnx2x *bp = params->bp;
  4705. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4706. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4707. if (is_link_up) {
  4708. DP(NETIF_MSG_LINK, "phy link up\n");
  4709. vars->phy_link_up = 1;
  4710. vars->link_status |= LINK_STATUS_LINK_UP;
  4711. switch (speed_mask) {
  4712. case GP_STATUS_10M:
  4713. vars->line_speed = SPEED_10;
  4714. if (vars->duplex == DUPLEX_FULL)
  4715. vars->link_status |= LINK_10TFD;
  4716. else
  4717. vars->link_status |= LINK_10THD;
  4718. break;
  4719. case GP_STATUS_100M:
  4720. vars->line_speed = SPEED_100;
  4721. if (vars->duplex == DUPLEX_FULL)
  4722. vars->link_status |= LINK_100TXFD;
  4723. else
  4724. vars->link_status |= LINK_100TXHD;
  4725. break;
  4726. case GP_STATUS_1G:
  4727. case GP_STATUS_1G_KX:
  4728. vars->line_speed = SPEED_1000;
  4729. if (vars->duplex == DUPLEX_FULL)
  4730. vars->link_status |= LINK_1000TFD;
  4731. else
  4732. vars->link_status |= LINK_1000THD;
  4733. break;
  4734. case GP_STATUS_2_5G:
  4735. vars->line_speed = SPEED_2500;
  4736. if (vars->duplex == DUPLEX_FULL)
  4737. vars->link_status |= LINK_2500TFD;
  4738. else
  4739. vars->link_status |= LINK_2500THD;
  4740. break;
  4741. case GP_STATUS_5G:
  4742. case GP_STATUS_6G:
  4743. DP(NETIF_MSG_LINK,
  4744. "link speed unsupported gp_status 0x%x\n",
  4745. speed_mask);
  4746. return -EINVAL;
  4747. case GP_STATUS_10G_KX4:
  4748. case GP_STATUS_10G_HIG:
  4749. case GP_STATUS_10G_CX4:
  4750. case GP_STATUS_10G_KR:
  4751. case GP_STATUS_10G_SFI:
  4752. case GP_STATUS_10G_XFI:
  4753. vars->line_speed = SPEED_10000;
  4754. vars->link_status |= LINK_10GTFD;
  4755. break;
  4756. case GP_STATUS_20G_DXGXS:
  4757. vars->line_speed = SPEED_20000;
  4758. vars->link_status |= LINK_20GTFD;
  4759. break;
  4760. default:
  4761. DP(NETIF_MSG_LINK,
  4762. "link speed unsupported gp_status 0x%x\n",
  4763. speed_mask);
  4764. return -EINVAL;
  4765. }
  4766. } else { /* link_down */
  4767. DP(NETIF_MSG_LINK, "phy link down\n");
  4768. vars->phy_link_up = 0;
  4769. vars->duplex = DUPLEX_FULL;
  4770. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4771. vars->mac_type = MAC_TYPE_NONE;
  4772. }
  4773. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4774. vars->phy_link_up, vars->line_speed);
  4775. return 0;
  4776. }
  4777. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4778. struct link_params *params,
  4779. struct link_vars *vars)
  4780. {
  4781. struct bnx2x *bp = params->bp;
  4782. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4783. int rc = 0;
  4784. /* Read gp_status */
  4785. CL22_RD_OVER_CL45(bp, phy,
  4786. MDIO_REG_BANK_GP_STATUS,
  4787. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4788. &gp_status);
  4789. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4790. duplex = DUPLEX_FULL;
  4791. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4792. link_up = 1;
  4793. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4794. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4795. gp_status, link_up, speed_mask);
  4796. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4797. duplex);
  4798. if (rc == -EINVAL)
  4799. return rc;
  4800. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4801. if (SINGLE_MEDIA_DIRECT(params)) {
  4802. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4803. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4804. bnx2x_xgxs_an_resolve(phy, params, vars,
  4805. gp_status);
  4806. }
  4807. } else { /* link_down */
  4808. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4809. SINGLE_MEDIA_DIRECT(params)) {
  4810. /* Check signal is detected */
  4811. bnx2x_check_fallback_to_cl37(phy, params);
  4812. }
  4813. }
  4814. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4815. vars->duplex, vars->flow_ctrl, vars->link_status);
  4816. return rc;
  4817. }
  4818. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4819. struct link_params *params,
  4820. struct link_vars *vars)
  4821. {
  4822. struct bnx2x *bp = params->bp;
  4823. u8 lane;
  4824. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4825. int rc = 0;
  4826. lane = bnx2x_get_warpcore_lane(phy, params);
  4827. /* Read gp_status */
  4828. if (phy->req_line_speed > SPEED_10000) {
  4829. u16 temp_link_up;
  4830. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4831. 1, &temp_link_up);
  4832. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4833. 1, &link_up);
  4834. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4835. temp_link_up, link_up);
  4836. link_up &= (1<<2);
  4837. if (link_up)
  4838. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4839. } else {
  4840. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4841. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4842. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4843. /* Check for either KR or generic link up. */
  4844. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4845. ((gp_status1 >> 12) & 0xf);
  4846. link_up = gp_status1 & (1 << lane);
  4847. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4848. u16 pd, gp_status4;
  4849. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4850. /* Check Autoneg complete */
  4851. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4852. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4853. &gp_status4);
  4854. if (gp_status4 & ((1<<12)<<lane))
  4855. vars->link_status |=
  4856. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4857. /* Check parallel detect used */
  4858. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4859. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4860. &pd);
  4861. if (pd & (1<<15))
  4862. vars->link_status |=
  4863. LINK_STATUS_PARALLEL_DETECTION_USED;
  4864. }
  4865. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4866. }
  4867. }
  4868. if (lane < 2) {
  4869. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4870. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4871. } else {
  4872. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4873. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4874. }
  4875. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4876. if ((lane & 1) == 0)
  4877. gp_speed <<= 8;
  4878. gp_speed &= 0x3f00;
  4879. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4880. duplex);
  4881. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4882. vars->duplex, vars->flow_ctrl, vars->link_status);
  4883. return rc;
  4884. }
  4885. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4886. {
  4887. struct bnx2x *bp = params->bp;
  4888. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4889. u16 lp_up2;
  4890. u16 tx_driver;
  4891. u16 bank;
  4892. /* read precomp */
  4893. CL22_RD_OVER_CL45(bp, phy,
  4894. MDIO_REG_BANK_OVER_1G,
  4895. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4896. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4897. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4898. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4899. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4900. if (lp_up2 == 0)
  4901. return;
  4902. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4903. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4904. CL22_RD_OVER_CL45(bp, phy,
  4905. bank,
  4906. MDIO_TX0_TX_DRIVER, &tx_driver);
  4907. /* replace tx_driver bits [15:12] */
  4908. if (lp_up2 !=
  4909. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4910. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4911. tx_driver |= lp_up2;
  4912. CL22_WR_OVER_CL45(bp, phy,
  4913. bank,
  4914. MDIO_TX0_TX_DRIVER, tx_driver);
  4915. }
  4916. }
  4917. }
  4918. static int bnx2x_emac_program(struct link_params *params,
  4919. struct link_vars *vars)
  4920. {
  4921. struct bnx2x *bp = params->bp;
  4922. u8 port = params->port;
  4923. u16 mode = 0;
  4924. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4925. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4926. EMAC_REG_EMAC_MODE,
  4927. (EMAC_MODE_25G_MODE |
  4928. EMAC_MODE_PORT_MII_10M |
  4929. EMAC_MODE_HALF_DUPLEX));
  4930. switch (vars->line_speed) {
  4931. case SPEED_10:
  4932. mode |= EMAC_MODE_PORT_MII_10M;
  4933. break;
  4934. case SPEED_100:
  4935. mode |= EMAC_MODE_PORT_MII;
  4936. break;
  4937. case SPEED_1000:
  4938. mode |= EMAC_MODE_PORT_GMII;
  4939. break;
  4940. case SPEED_2500:
  4941. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4942. break;
  4943. default:
  4944. /* 10G not valid for EMAC */
  4945. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4946. vars->line_speed);
  4947. return -EINVAL;
  4948. }
  4949. if (vars->duplex == DUPLEX_HALF)
  4950. mode |= EMAC_MODE_HALF_DUPLEX;
  4951. bnx2x_bits_en(bp,
  4952. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4953. mode);
  4954. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4955. return 0;
  4956. }
  4957. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4958. struct link_params *params)
  4959. {
  4960. u16 bank, i = 0;
  4961. struct bnx2x *bp = params->bp;
  4962. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4963. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4964. CL22_WR_OVER_CL45(bp, phy,
  4965. bank,
  4966. MDIO_RX0_RX_EQ_BOOST,
  4967. phy->rx_preemphasis[i]);
  4968. }
  4969. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4970. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4971. CL22_WR_OVER_CL45(bp, phy,
  4972. bank,
  4973. MDIO_TX0_TX_DRIVER,
  4974. phy->tx_preemphasis[i]);
  4975. }
  4976. }
  4977. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4978. struct link_params *params,
  4979. struct link_vars *vars)
  4980. {
  4981. struct bnx2x *bp = params->bp;
  4982. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4983. (params->loopback_mode == LOOPBACK_XGXS));
  4984. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4985. if (SINGLE_MEDIA_DIRECT(params) &&
  4986. (params->feature_config_flags &
  4987. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4988. bnx2x_set_preemphasis(phy, params);
  4989. /* forced speed requested? */
  4990. if (vars->line_speed != SPEED_AUTO_NEG ||
  4991. (SINGLE_MEDIA_DIRECT(params) &&
  4992. params->loopback_mode == LOOPBACK_EXT)) {
  4993. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4994. /* disable autoneg */
  4995. bnx2x_set_autoneg(phy, params, vars, 0);
  4996. /* program speed and duplex */
  4997. bnx2x_program_serdes(phy, params, vars);
  4998. } else { /* AN_mode */
  4999. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5000. /* AN enabled */
  5001. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5002. /* program duplex & pause advertisement (for aneg) */
  5003. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5004. vars->ieee_fc);
  5005. /* enable autoneg */
  5006. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5007. /* enable and restart AN */
  5008. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5009. }
  5010. } else { /* SGMII mode */
  5011. DP(NETIF_MSG_LINK, "SGMII\n");
  5012. bnx2x_initialize_sgmii_process(phy, params, vars);
  5013. }
  5014. }
  5015. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5016. struct link_params *params,
  5017. struct link_vars *vars)
  5018. {
  5019. int rc;
  5020. vars->phy_flags |= PHY_XGXS_FLAG;
  5021. if ((phy->req_line_speed &&
  5022. ((phy->req_line_speed == SPEED_100) ||
  5023. (phy->req_line_speed == SPEED_10))) ||
  5024. (!phy->req_line_speed &&
  5025. (phy->speed_cap_mask >=
  5026. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5027. (phy->speed_cap_mask <
  5028. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5029. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5030. vars->phy_flags |= PHY_SGMII_FLAG;
  5031. else
  5032. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5033. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5034. bnx2x_set_aer_mmd(params, phy);
  5035. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5036. bnx2x_set_master_ln(params, phy);
  5037. rc = bnx2x_reset_unicore(params, phy, 0);
  5038. /* reset the SerDes and wait for reset bit return low */
  5039. if (rc != 0)
  5040. return rc;
  5041. bnx2x_set_aer_mmd(params, phy);
  5042. /* setting the masterLn_def again after the reset */
  5043. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5044. bnx2x_set_master_ln(params, phy);
  5045. bnx2x_set_swap_lanes(params, phy);
  5046. }
  5047. return rc;
  5048. }
  5049. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5050. struct bnx2x_phy *phy,
  5051. struct link_params *params)
  5052. {
  5053. u16 cnt, ctrl;
  5054. /* Wait for soft reset to get cleared up to 1 sec */
  5055. for (cnt = 0; cnt < 1000; cnt++) {
  5056. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5057. bnx2x_cl22_read(bp, phy,
  5058. MDIO_PMA_REG_CTRL, &ctrl);
  5059. else
  5060. bnx2x_cl45_read(bp, phy,
  5061. MDIO_PMA_DEVAD,
  5062. MDIO_PMA_REG_CTRL, &ctrl);
  5063. if (!(ctrl & (1<<15)))
  5064. break;
  5065. msleep(1);
  5066. }
  5067. if (cnt == 1000)
  5068. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5069. " Port %d\n",
  5070. params->port);
  5071. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5072. return cnt;
  5073. }
  5074. static void bnx2x_link_int_enable(struct link_params *params)
  5075. {
  5076. u8 port = params->port;
  5077. u32 mask;
  5078. struct bnx2x *bp = params->bp;
  5079. /* Setting the status to report on link up for either XGXS or SerDes */
  5080. if (CHIP_IS_E3(bp)) {
  5081. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5082. if (!(SINGLE_MEDIA_DIRECT(params)))
  5083. mask |= NIG_MASK_MI_INT;
  5084. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5085. mask = (NIG_MASK_XGXS0_LINK10G |
  5086. NIG_MASK_XGXS0_LINK_STATUS);
  5087. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5088. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5089. params->phy[INT_PHY].type !=
  5090. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5091. mask |= NIG_MASK_MI_INT;
  5092. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5093. }
  5094. } else { /* SerDes */
  5095. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5096. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5097. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5098. params->phy[INT_PHY].type !=
  5099. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5100. mask |= NIG_MASK_MI_INT;
  5101. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5102. }
  5103. }
  5104. bnx2x_bits_en(bp,
  5105. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5106. mask);
  5107. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5108. (params->switch_cfg == SWITCH_CFG_10G),
  5109. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5110. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5111. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5112. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5113. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5114. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5115. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5116. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5117. }
  5118. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5119. u8 exp_mi_int)
  5120. {
  5121. u32 latch_status = 0;
  5122. /*
  5123. * Disable the MI INT ( external phy int ) by writing 1 to the
  5124. * status register. Link down indication is high-active-signal,
  5125. * so in this case we need to write the status to clear the XOR
  5126. */
  5127. /* Read Latched signals */
  5128. latch_status = REG_RD(bp,
  5129. NIG_REG_LATCH_STATUS_0 + port*8);
  5130. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5131. /* Handle only those with latched-signal=up.*/
  5132. if (exp_mi_int)
  5133. bnx2x_bits_en(bp,
  5134. NIG_REG_STATUS_INTERRUPT_PORT0
  5135. + port*4,
  5136. NIG_STATUS_EMAC0_MI_INT);
  5137. else
  5138. bnx2x_bits_dis(bp,
  5139. NIG_REG_STATUS_INTERRUPT_PORT0
  5140. + port*4,
  5141. NIG_STATUS_EMAC0_MI_INT);
  5142. if (latch_status & 1) {
  5143. /* For all latched-signal=up : Re-Arm Latch signals */
  5144. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5145. (latch_status & 0xfffe) | (latch_status & 1));
  5146. }
  5147. /* For all latched-signal=up,Write original_signal to status */
  5148. }
  5149. static void bnx2x_link_int_ack(struct link_params *params,
  5150. struct link_vars *vars, u8 is_10g_plus)
  5151. {
  5152. struct bnx2x *bp = params->bp;
  5153. u8 port = params->port;
  5154. u32 mask;
  5155. /*
  5156. * First reset all status we assume only one line will be
  5157. * change at a time
  5158. */
  5159. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5160. (NIG_STATUS_XGXS0_LINK10G |
  5161. NIG_STATUS_XGXS0_LINK_STATUS |
  5162. NIG_STATUS_SERDES0_LINK_STATUS));
  5163. if (vars->phy_link_up) {
  5164. if (USES_WARPCORE(bp))
  5165. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5166. else {
  5167. if (is_10g_plus)
  5168. mask = NIG_STATUS_XGXS0_LINK10G;
  5169. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5170. /*
  5171. * Disable the link interrupt by writing 1 to
  5172. * the relevant lane in the status register
  5173. */
  5174. u32 ser_lane =
  5175. ((params->lane_config &
  5176. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5177. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5178. mask = ((1 << ser_lane) <<
  5179. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5180. } else
  5181. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5182. }
  5183. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5184. mask);
  5185. bnx2x_bits_en(bp,
  5186. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5187. mask);
  5188. }
  5189. }
  5190. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5191. {
  5192. u8 *str_ptr = str;
  5193. u32 mask = 0xf0000000;
  5194. u8 shift = 8*4;
  5195. u8 digit;
  5196. u8 remove_leading_zeros = 1;
  5197. if (*len < 10) {
  5198. /* Need more than 10chars for this format */
  5199. *str_ptr = '\0';
  5200. (*len)--;
  5201. return -EINVAL;
  5202. }
  5203. while (shift > 0) {
  5204. shift -= 4;
  5205. digit = ((num & mask) >> shift);
  5206. if (digit == 0 && remove_leading_zeros) {
  5207. mask = mask >> 4;
  5208. continue;
  5209. } else if (digit < 0xa)
  5210. *str_ptr = digit + '0';
  5211. else
  5212. *str_ptr = digit - 0xa + 'a';
  5213. remove_leading_zeros = 0;
  5214. str_ptr++;
  5215. (*len)--;
  5216. mask = mask >> 4;
  5217. if (shift == 4*4) {
  5218. *str_ptr = '.';
  5219. str_ptr++;
  5220. (*len)--;
  5221. remove_leading_zeros = 1;
  5222. }
  5223. }
  5224. return 0;
  5225. }
  5226. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5227. {
  5228. str[0] = '\0';
  5229. (*len)--;
  5230. return 0;
  5231. }
  5232. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5233. u8 *version, u16 len)
  5234. {
  5235. struct bnx2x *bp;
  5236. u32 spirom_ver = 0;
  5237. int status = 0;
  5238. u8 *ver_p = version;
  5239. u16 remain_len = len;
  5240. if (version == NULL || params == NULL)
  5241. return -EINVAL;
  5242. bp = params->bp;
  5243. /* Extract first external phy*/
  5244. version[0] = '\0';
  5245. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5246. if (params->phy[EXT_PHY1].format_fw_ver) {
  5247. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5248. ver_p,
  5249. &remain_len);
  5250. ver_p += (len - remain_len);
  5251. }
  5252. if ((params->num_phys == MAX_PHYS) &&
  5253. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5254. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5255. if (params->phy[EXT_PHY2].format_fw_ver) {
  5256. *ver_p = '/';
  5257. ver_p++;
  5258. remain_len--;
  5259. status |= params->phy[EXT_PHY2].format_fw_ver(
  5260. spirom_ver,
  5261. ver_p,
  5262. &remain_len);
  5263. ver_p = version + (len - remain_len);
  5264. }
  5265. }
  5266. *ver_p = '\0';
  5267. return status;
  5268. }
  5269. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5270. struct link_params *params)
  5271. {
  5272. u8 port = params->port;
  5273. struct bnx2x *bp = params->bp;
  5274. if (phy->req_line_speed != SPEED_1000) {
  5275. u32 md_devad = 0;
  5276. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5277. if (!CHIP_IS_E3(bp)) {
  5278. /* change the uni_phy_addr in the nig */
  5279. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5280. port*0x18));
  5281. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5282. 0x5);
  5283. }
  5284. bnx2x_cl45_write(bp, phy,
  5285. 5,
  5286. (MDIO_REG_BANK_AER_BLOCK +
  5287. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5288. 0x2800);
  5289. bnx2x_cl45_write(bp, phy,
  5290. 5,
  5291. (MDIO_REG_BANK_CL73_IEEEB0 +
  5292. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5293. 0x6041);
  5294. msleep(200);
  5295. /* set aer mmd back */
  5296. bnx2x_set_aer_mmd(params, phy);
  5297. if (!CHIP_IS_E3(bp)) {
  5298. /* and md_devad */
  5299. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5300. md_devad);
  5301. }
  5302. } else {
  5303. u16 mii_ctrl;
  5304. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5305. bnx2x_cl45_read(bp, phy, 5,
  5306. (MDIO_REG_BANK_COMBO_IEEE0 +
  5307. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5308. &mii_ctrl);
  5309. bnx2x_cl45_write(bp, phy, 5,
  5310. (MDIO_REG_BANK_COMBO_IEEE0 +
  5311. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5312. mii_ctrl |
  5313. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5314. }
  5315. }
  5316. int bnx2x_set_led(struct link_params *params,
  5317. struct link_vars *vars, u8 mode, u32 speed)
  5318. {
  5319. u8 port = params->port;
  5320. u16 hw_led_mode = params->hw_led_mode;
  5321. int rc = 0;
  5322. u8 phy_idx;
  5323. u32 tmp;
  5324. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5325. struct bnx2x *bp = params->bp;
  5326. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5327. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5328. speed, hw_led_mode);
  5329. /* In case */
  5330. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5331. if (params->phy[phy_idx].set_link_led) {
  5332. params->phy[phy_idx].set_link_led(
  5333. &params->phy[phy_idx], params, mode);
  5334. }
  5335. }
  5336. switch (mode) {
  5337. case LED_MODE_FRONT_PANEL_OFF:
  5338. case LED_MODE_OFF:
  5339. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5340. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5341. SHARED_HW_CFG_LED_MAC1);
  5342. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5343. if (params->phy[EXT_PHY1].type ==
  5344. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5345. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5346. else {
  5347. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5348. (tmp | EMAC_LED_OVERRIDE));
  5349. }
  5350. break;
  5351. case LED_MODE_OPER:
  5352. /*
  5353. * For all other phys, OPER mode is same as ON, so in case
  5354. * link is down, do nothing
  5355. */
  5356. if (!vars->link_up)
  5357. break;
  5358. case LED_MODE_ON:
  5359. if (((params->phy[EXT_PHY1].type ==
  5360. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5361. (params->phy[EXT_PHY1].type ==
  5362. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5363. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5364. /*
  5365. * This is a work-around for E2+8727 Configurations
  5366. */
  5367. if (mode == LED_MODE_ON ||
  5368. speed == SPEED_10000){
  5369. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5370. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5371. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5372. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5373. (tmp | EMAC_LED_OVERRIDE));
  5374. /*
  5375. * return here without enabling traffic
  5376. * LED blink and setting rate in ON mode.
  5377. * In oper mode, enabling LED blink
  5378. * and setting rate is needed.
  5379. */
  5380. if (mode == LED_MODE_ON)
  5381. return rc;
  5382. }
  5383. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5384. /*
  5385. * This is a work-around for HW issue found when link
  5386. * is up in CL73
  5387. */
  5388. if ((!CHIP_IS_E3(bp)) ||
  5389. (CHIP_IS_E3(bp) &&
  5390. mode == LED_MODE_ON))
  5391. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5392. if (CHIP_IS_E1x(bp) ||
  5393. CHIP_IS_E2(bp) ||
  5394. (mode == LED_MODE_ON))
  5395. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5396. else
  5397. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5398. hw_led_mode);
  5399. } else if ((params->phy[EXT_PHY1].type ==
  5400. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5401. (mode != LED_MODE_OPER)) {
  5402. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5403. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5404. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5405. } else
  5406. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5407. hw_led_mode);
  5408. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5409. /* Set blinking rate to ~15.9Hz */
  5410. if (CHIP_IS_E3(bp))
  5411. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5412. LED_BLINK_RATE_VAL_E3);
  5413. else
  5414. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5415. LED_BLINK_RATE_VAL_E1X_E2);
  5416. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5417. port*4, 1);
  5418. if ((params->phy[EXT_PHY1].type !=
  5419. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5420. (mode != LED_MODE_OPER)) {
  5421. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5422. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5423. (tmp & (~EMAC_LED_OVERRIDE)));
  5424. }
  5425. if (CHIP_IS_E1(bp) &&
  5426. ((speed == SPEED_2500) ||
  5427. (speed == SPEED_1000) ||
  5428. (speed == SPEED_100) ||
  5429. (speed == SPEED_10))) {
  5430. /*
  5431. * On Everest 1 Ax chip versions for speeds less than
  5432. * 10G LED scheme is different
  5433. */
  5434. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5435. + port*4, 1);
  5436. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5437. port*4, 0);
  5438. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5439. port*4, 1);
  5440. }
  5441. break;
  5442. default:
  5443. rc = -EINVAL;
  5444. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5445. mode);
  5446. break;
  5447. }
  5448. return rc;
  5449. }
  5450. /*
  5451. * This function comes to reflect the actual link state read DIRECTLY from the
  5452. * HW
  5453. */
  5454. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5455. u8 is_serdes)
  5456. {
  5457. struct bnx2x *bp = params->bp;
  5458. u16 gp_status = 0, phy_index = 0;
  5459. u8 ext_phy_link_up = 0, serdes_phy_type;
  5460. struct link_vars temp_vars;
  5461. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5462. if (CHIP_IS_E3(bp)) {
  5463. u16 link_up;
  5464. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5465. > SPEED_10000) {
  5466. /* Check 20G link */
  5467. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5468. 1, &link_up);
  5469. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5470. 1, &link_up);
  5471. link_up &= (1<<2);
  5472. } else {
  5473. /* Check 10G link and below*/
  5474. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5475. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5476. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5477. &gp_status);
  5478. gp_status = ((gp_status >> 8) & 0xf) |
  5479. ((gp_status >> 12) & 0xf);
  5480. link_up = gp_status & (1 << lane);
  5481. }
  5482. if (!link_up)
  5483. return -ESRCH;
  5484. } else {
  5485. CL22_RD_OVER_CL45(bp, int_phy,
  5486. MDIO_REG_BANK_GP_STATUS,
  5487. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5488. &gp_status);
  5489. /* link is up only if both local phy and external phy are up */
  5490. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5491. return -ESRCH;
  5492. }
  5493. /* In XGXS loopback mode, do not check external PHY */
  5494. if (params->loopback_mode == LOOPBACK_XGXS)
  5495. return 0;
  5496. switch (params->num_phys) {
  5497. case 1:
  5498. /* No external PHY */
  5499. return 0;
  5500. case 2:
  5501. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5502. &params->phy[EXT_PHY1],
  5503. params, &temp_vars);
  5504. break;
  5505. case 3: /* Dual Media */
  5506. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5507. phy_index++) {
  5508. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5509. ETH_PHY_SFP_FIBER) ||
  5510. (params->phy[phy_index].media_type ==
  5511. ETH_PHY_XFP_FIBER) ||
  5512. (params->phy[phy_index].media_type ==
  5513. ETH_PHY_DA_TWINAX));
  5514. if (is_serdes != serdes_phy_type)
  5515. continue;
  5516. if (params->phy[phy_index].read_status) {
  5517. ext_phy_link_up |=
  5518. params->phy[phy_index].read_status(
  5519. &params->phy[phy_index],
  5520. params, &temp_vars);
  5521. }
  5522. }
  5523. break;
  5524. }
  5525. if (ext_phy_link_up)
  5526. return 0;
  5527. return -ESRCH;
  5528. }
  5529. static int bnx2x_link_initialize(struct link_params *params,
  5530. struct link_vars *vars)
  5531. {
  5532. int rc = 0;
  5533. u8 phy_index, non_ext_phy;
  5534. struct bnx2x *bp = params->bp;
  5535. /*
  5536. * In case of external phy existence, the line speed would be the
  5537. * line speed linked up by the external phy. In case it is direct
  5538. * only, then the line_speed during initialization will be
  5539. * equal to the req_line_speed
  5540. */
  5541. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5542. /*
  5543. * Initialize the internal phy in case this is a direct board
  5544. * (no external phys), or this board has external phy which requires
  5545. * to first.
  5546. */
  5547. if (!USES_WARPCORE(bp))
  5548. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5549. /* init ext phy and enable link state int */
  5550. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5551. (params->loopback_mode == LOOPBACK_XGXS));
  5552. if (non_ext_phy ||
  5553. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5554. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5555. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5556. if (vars->line_speed == SPEED_AUTO_NEG &&
  5557. (CHIP_IS_E1x(bp) ||
  5558. CHIP_IS_E2(bp)))
  5559. bnx2x_set_parallel_detection(phy, params);
  5560. if (params->phy[INT_PHY].config_init)
  5561. params->phy[INT_PHY].config_init(phy,
  5562. params,
  5563. vars);
  5564. }
  5565. /* Init external phy*/
  5566. if (non_ext_phy) {
  5567. if (params->phy[INT_PHY].supported &
  5568. SUPPORTED_FIBRE)
  5569. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5570. } else {
  5571. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5572. phy_index++) {
  5573. /*
  5574. * No need to initialize second phy in case of first
  5575. * phy only selection. In case of second phy, we do
  5576. * need to initialize the first phy, since they are
  5577. * connected.
  5578. */
  5579. if (params->phy[phy_index].supported &
  5580. SUPPORTED_FIBRE)
  5581. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5582. if (phy_index == EXT_PHY2 &&
  5583. (bnx2x_phy_selection(params) ==
  5584. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5585. DP(NETIF_MSG_LINK,
  5586. "Not initializing second phy\n");
  5587. continue;
  5588. }
  5589. params->phy[phy_index].config_init(
  5590. &params->phy[phy_index],
  5591. params, vars);
  5592. }
  5593. }
  5594. /* Reset the interrupt indication after phy was initialized */
  5595. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5596. params->port*4,
  5597. (NIG_STATUS_XGXS0_LINK10G |
  5598. NIG_STATUS_XGXS0_LINK_STATUS |
  5599. NIG_STATUS_SERDES0_LINK_STATUS |
  5600. NIG_MASK_MI_INT));
  5601. bnx2x_update_mng(params, vars->link_status);
  5602. return rc;
  5603. }
  5604. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5605. struct link_params *params)
  5606. {
  5607. /* reset the SerDes/XGXS */
  5608. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5609. (0x1ff << (params->port*16)));
  5610. }
  5611. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5612. struct link_params *params)
  5613. {
  5614. struct bnx2x *bp = params->bp;
  5615. u8 gpio_port;
  5616. /* HW reset */
  5617. if (CHIP_IS_E2(bp))
  5618. gpio_port = BP_PATH(bp);
  5619. else
  5620. gpio_port = params->port;
  5621. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5622. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5623. gpio_port);
  5624. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5625. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5626. gpio_port);
  5627. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5628. }
  5629. static int bnx2x_update_link_down(struct link_params *params,
  5630. struct link_vars *vars)
  5631. {
  5632. struct bnx2x *bp = params->bp;
  5633. u8 port = params->port;
  5634. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5635. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5636. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5637. /* indicate no mac active */
  5638. vars->mac_type = MAC_TYPE_NONE;
  5639. /* update shared memory */
  5640. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5641. LINK_STATUS_LINK_UP |
  5642. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5643. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5644. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5645. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5646. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5647. vars->line_speed = 0;
  5648. bnx2x_update_mng(params, vars->link_status);
  5649. /* activate nig drain */
  5650. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5651. /* disable emac */
  5652. if (!CHIP_IS_E3(bp))
  5653. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5654. msleep(10);
  5655. /* reset BigMac/Xmac */
  5656. if (CHIP_IS_E1x(bp) ||
  5657. CHIP_IS_E2(bp)) {
  5658. bnx2x_bmac_rx_disable(bp, params->port);
  5659. REG_WR(bp, GRCBASE_MISC +
  5660. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5661. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5662. }
  5663. if (CHIP_IS_E3(bp)) {
  5664. bnx2x_xmac_disable(params);
  5665. bnx2x_umac_disable(params);
  5666. }
  5667. return 0;
  5668. }
  5669. static int bnx2x_update_link_up(struct link_params *params,
  5670. struct link_vars *vars,
  5671. u8 link_10g)
  5672. {
  5673. struct bnx2x *bp = params->bp;
  5674. u8 port = params->port;
  5675. int rc = 0;
  5676. vars->link_status |= (LINK_STATUS_LINK_UP |
  5677. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5678. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5679. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5680. vars->link_status |=
  5681. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5682. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5683. vars->link_status |=
  5684. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5685. if (USES_WARPCORE(bp)) {
  5686. if (link_10g) {
  5687. if (bnx2x_xmac_enable(params, vars, 0) ==
  5688. -ESRCH) {
  5689. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5690. vars->link_up = 0;
  5691. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5692. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5693. }
  5694. } else
  5695. bnx2x_umac_enable(params, vars, 0);
  5696. bnx2x_set_led(params, vars,
  5697. LED_MODE_OPER, vars->line_speed);
  5698. }
  5699. if ((CHIP_IS_E1x(bp) ||
  5700. CHIP_IS_E2(bp))) {
  5701. if (link_10g) {
  5702. if (bnx2x_bmac_enable(params, vars, 0) ==
  5703. -ESRCH) {
  5704. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5705. vars->link_up = 0;
  5706. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5707. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5708. }
  5709. bnx2x_set_led(params, vars,
  5710. LED_MODE_OPER, SPEED_10000);
  5711. } else {
  5712. rc = bnx2x_emac_program(params, vars);
  5713. bnx2x_emac_enable(params, vars, 0);
  5714. /* AN complete? */
  5715. if ((vars->link_status &
  5716. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5717. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5718. SINGLE_MEDIA_DIRECT(params))
  5719. bnx2x_set_gmii_tx_driver(params);
  5720. }
  5721. }
  5722. /* PBF - link up */
  5723. if (CHIP_IS_E1x(bp))
  5724. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5725. vars->line_speed);
  5726. /* disable drain */
  5727. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5728. /* update shared memory */
  5729. bnx2x_update_mng(params, vars->link_status);
  5730. msleep(20);
  5731. return rc;
  5732. }
  5733. /*
  5734. * The bnx2x_link_update function should be called upon link
  5735. * interrupt.
  5736. * Link is considered up as follows:
  5737. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5738. * to be up
  5739. * - SINGLE_MEDIA - The link between the 577xx and the external
  5740. * phy (XGXS) need to up as well as the external link of the
  5741. * phy (PHY_EXT1)
  5742. * - DUAL_MEDIA - The link between the 577xx and the first
  5743. * external phy needs to be up, and at least one of the 2
  5744. * external phy link must be up.
  5745. */
  5746. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5747. {
  5748. struct bnx2x *bp = params->bp;
  5749. struct link_vars phy_vars[MAX_PHYS];
  5750. u8 port = params->port;
  5751. u8 link_10g_plus, phy_index;
  5752. u8 ext_phy_link_up = 0, cur_link_up;
  5753. int rc = 0;
  5754. u8 is_mi_int = 0;
  5755. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5756. u8 active_external_phy = INT_PHY;
  5757. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5758. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5759. phy_index++) {
  5760. phy_vars[phy_index].flow_ctrl = 0;
  5761. phy_vars[phy_index].link_status = 0;
  5762. phy_vars[phy_index].line_speed = 0;
  5763. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5764. phy_vars[phy_index].phy_link_up = 0;
  5765. phy_vars[phy_index].link_up = 0;
  5766. phy_vars[phy_index].fault_detected = 0;
  5767. }
  5768. if (USES_WARPCORE(bp))
  5769. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5770. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5771. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5772. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5773. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5774. port*0x18) > 0);
  5775. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5776. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5777. is_mi_int,
  5778. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5779. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5780. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5781. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5782. /* disable emac */
  5783. if (!CHIP_IS_E3(bp))
  5784. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5785. /*
  5786. * Step 1:
  5787. * Check external link change only for external phys, and apply
  5788. * priority selection between them in case the link on both phys
  5789. * is up. Note that instead of the common vars, a temporary
  5790. * vars argument is used since each phy may have different link/
  5791. * speed/duplex result
  5792. */
  5793. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5794. phy_index++) {
  5795. struct bnx2x_phy *phy = &params->phy[phy_index];
  5796. if (!phy->read_status)
  5797. continue;
  5798. /* Read link status and params of this ext phy */
  5799. cur_link_up = phy->read_status(phy, params,
  5800. &phy_vars[phy_index]);
  5801. if (cur_link_up) {
  5802. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5803. phy_index);
  5804. } else {
  5805. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5806. phy_index);
  5807. continue;
  5808. }
  5809. if (!ext_phy_link_up) {
  5810. ext_phy_link_up = 1;
  5811. active_external_phy = phy_index;
  5812. } else {
  5813. switch (bnx2x_phy_selection(params)) {
  5814. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5815. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5816. /*
  5817. * In this option, the first PHY makes sure to pass the
  5818. * traffic through itself only.
  5819. * Its not clear how to reset the link on the second phy
  5820. */
  5821. active_external_phy = EXT_PHY1;
  5822. break;
  5823. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5824. /*
  5825. * In this option, the first PHY makes sure to pass the
  5826. * traffic through the second PHY.
  5827. */
  5828. active_external_phy = EXT_PHY2;
  5829. break;
  5830. default:
  5831. /*
  5832. * Link indication on both PHYs with the following cases
  5833. * is invalid:
  5834. * - FIRST_PHY means that second phy wasn't initialized,
  5835. * hence its link is expected to be down
  5836. * - SECOND_PHY means that first phy should not be able
  5837. * to link up by itself (using configuration)
  5838. * - DEFAULT should be overriden during initialiazation
  5839. */
  5840. DP(NETIF_MSG_LINK, "Invalid link indication"
  5841. "mpc=0x%x. DISABLING LINK !!!\n",
  5842. params->multi_phy_config);
  5843. ext_phy_link_up = 0;
  5844. break;
  5845. }
  5846. }
  5847. }
  5848. prev_line_speed = vars->line_speed;
  5849. /*
  5850. * Step 2:
  5851. * Read the status of the internal phy. In case of
  5852. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5853. * otherwise this is the link between the 577xx and the first
  5854. * external phy
  5855. */
  5856. if (params->phy[INT_PHY].read_status)
  5857. params->phy[INT_PHY].read_status(
  5858. &params->phy[INT_PHY],
  5859. params, vars);
  5860. /*
  5861. * The INT_PHY flow control reside in the vars. This include the
  5862. * case where the speed or flow control are not set to AUTO.
  5863. * Otherwise, the active external phy flow control result is set
  5864. * to the vars. The ext_phy_line_speed is needed to check if the
  5865. * speed is different between the internal phy and external phy.
  5866. * This case may be result of intermediate link speed change.
  5867. */
  5868. if (active_external_phy > INT_PHY) {
  5869. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5870. /*
  5871. * Link speed is taken from the XGXS. AN and FC result from
  5872. * the external phy.
  5873. */
  5874. vars->link_status |= phy_vars[active_external_phy].link_status;
  5875. /*
  5876. * if active_external_phy is first PHY and link is up - disable
  5877. * disable TX on second external PHY
  5878. */
  5879. if (active_external_phy == EXT_PHY1) {
  5880. if (params->phy[EXT_PHY2].phy_specific_func) {
  5881. DP(NETIF_MSG_LINK,
  5882. "Disabling TX on EXT_PHY2\n");
  5883. params->phy[EXT_PHY2].phy_specific_func(
  5884. &params->phy[EXT_PHY2],
  5885. params, DISABLE_TX);
  5886. }
  5887. }
  5888. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5889. vars->duplex = phy_vars[active_external_phy].duplex;
  5890. if (params->phy[active_external_phy].supported &
  5891. SUPPORTED_FIBRE)
  5892. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5893. else
  5894. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5895. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5896. active_external_phy);
  5897. }
  5898. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5899. phy_index++) {
  5900. if (params->phy[phy_index].flags &
  5901. FLAGS_REARM_LATCH_SIGNAL) {
  5902. bnx2x_rearm_latch_signal(bp, port,
  5903. phy_index ==
  5904. active_external_phy);
  5905. break;
  5906. }
  5907. }
  5908. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5909. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5910. vars->link_status, ext_phy_line_speed);
  5911. /*
  5912. * Upon link speed change set the NIG into drain mode. Comes to
  5913. * deals with possible FIFO glitch due to clk change when speed
  5914. * is decreased without link down indicator
  5915. */
  5916. if (vars->phy_link_up) {
  5917. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5918. (ext_phy_line_speed != vars->line_speed)) {
  5919. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5920. " different than the external"
  5921. " link speed %d\n", vars->line_speed,
  5922. ext_phy_line_speed);
  5923. vars->phy_link_up = 0;
  5924. } else if (prev_line_speed != vars->line_speed) {
  5925. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5926. 0);
  5927. msleep(1);
  5928. }
  5929. }
  5930. /* anything 10 and over uses the bmac */
  5931. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5932. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5933. /*
  5934. * In case external phy link is up, and internal link is down
  5935. * (not initialized yet probably after link initialization, it
  5936. * needs to be initialized.
  5937. * Note that after link down-up as result of cable plug, the xgxs
  5938. * link would probably become up again without the need
  5939. * initialize it
  5940. */
  5941. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5942. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5943. " init_preceding = %d\n", ext_phy_link_up,
  5944. vars->phy_link_up,
  5945. params->phy[EXT_PHY1].flags &
  5946. FLAGS_INIT_XGXS_FIRST);
  5947. if (!(params->phy[EXT_PHY1].flags &
  5948. FLAGS_INIT_XGXS_FIRST)
  5949. && ext_phy_link_up && !vars->phy_link_up) {
  5950. vars->line_speed = ext_phy_line_speed;
  5951. if (vars->line_speed < SPEED_1000)
  5952. vars->phy_flags |= PHY_SGMII_FLAG;
  5953. else
  5954. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5955. if (params->phy[INT_PHY].config_init)
  5956. params->phy[INT_PHY].config_init(
  5957. &params->phy[INT_PHY], params,
  5958. vars);
  5959. }
  5960. }
  5961. /*
  5962. * Link is up only if both local phy and external phy (in case of
  5963. * non-direct board) are up and no fault detected on active PHY.
  5964. */
  5965. vars->link_up = (vars->phy_link_up &&
  5966. (ext_phy_link_up ||
  5967. SINGLE_MEDIA_DIRECT(params)) &&
  5968. (phy_vars[active_external_phy].fault_detected == 0));
  5969. if (vars->link_up)
  5970. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5971. else
  5972. rc = bnx2x_update_link_down(params, vars);
  5973. return rc;
  5974. }
  5975. /*****************************************************************************/
  5976. /* External Phy section */
  5977. /*****************************************************************************/
  5978. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5979. {
  5980. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5981. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5982. msleep(1);
  5983. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5984. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5985. }
  5986. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5987. u32 spirom_ver, u32 ver_addr)
  5988. {
  5989. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5990. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5991. if (ver_addr)
  5992. REG_WR(bp, ver_addr, spirom_ver);
  5993. }
  5994. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5995. struct bnx2x_phy *phy,
  5996. u8 port)
  5997. {
  5998. u16 fw_ver1, fw_ver2;
  5999. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6000. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6001. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6002. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6003. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6004. phy->ver_addr);
  6005. }
  6006. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6007. struct bnx2x_phy *phy,
  6008. struct link_vars *vars)
  6009. {
  6010. u16 val;
  6011. bnx2x_cl45_read(bp, phy,
  6012. MDIO_AN_DEVAD,
  6013. MDIO_AN_REG_STATUS, &val);
  6014. bnx2x_cl45_read(bp, phy,
  6015. MDIO_AN_DEVAD,
  6016. MDIO_AN_REG_STATUS, &val);
  6017. if (val & (1<<5))
  6018. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6019. if ((val & (1<<0)) == 0)
  6020. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6021. }
  6022. /******************************************************************/
  6023. /* common BCM8073/BCM8727 PHY SECTION */
  6024. /******************************************************************/
  6025. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6026. struct link_params *params,
  6027. struct link_vars *vars)
  6028. {
  6029. struct bnx2x *bp = params->bp;
  6030. if (phy->req_line_speed == SPEED_10 ||
  6031. phy->req_line_speed == SPEED_100) {
  6032. vars->flow_ctrl = phy->req_flow_ctrl;
  6033. return;
  6034. }
  6035. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6036. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6037. u16 pause_result;
  6038. u16 ld_pause; /* local */
  6039. u16 lp_pause; /* link partner */
  6040. bnx2x_cl45_read(bp, phy,
  6041. MDIO_AN_DEVAD,
  6042. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6043. bnx2x_cl45_read(bp, phy,
  6044. MDIO_AN_DEVAD,
  6045. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6046. pause_result = (ld_pause &
  6047. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6048. pause_result |= (lp_pause &
  6049. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6050. bnx2x_pause_resolve(vars, pause_result);
  6051. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6052. pause_result);
  6053. }
  6054. }
  6055. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6056. struct bnx2x_phy *phy,
  6057. u8 port)
  6058. {
  6059. u32 count = 0;
  6060. u16 fw_ver1, fw_msgout;
  6061. int rc = 0;
  6062. /* Boot port from external ROM */
  6063. /* EDC grst */
  6064. bnx2x_cl45_write(bp, phy,
  6065. MDIO_PMA_DEVAD,
  6066. MDIO_PMA_REG_GEN_CTRL,
  6067. 0x0001);
  6068. /* ucode reboot and rst */
  6069. bnx2x_cl45_write(bp, phy,
  6070. MDIO_PMA_DEVAD,
  6071. MDIO_PMA_REG_GEN_CTRL,
  6072. 0x008c);
  6073. bnx2x_cl45_write(bp, phy,
  6074. MDIO_PMA_DEVAD,
  6075. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6076. /* Reset internal microprocessor */
  6077. bnx2x_cl45_write(bp, phy,
  6078. MDIO_PMA_DEVAD,
  6079. MDIO_PMA_REG_GEN_CTRL,
  6080. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6081. /* Release srst bit */
  6082. bnx2x_cl45_write(bp, phy,
  6083. MDIO_PMA_DEVAD,
  6084. MDIO_PMA_REG_GEN_CTRL,
  6085. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6086. /* Delay 100ms per the PHY specifications */
  6087. msleep(100);
  6088. /* 8073 sometimes taking longer to download */
  6089. do {
  6090. count++;
  6091. if (count > 300) {
  6092. DP(NETIF_MSG_LINK,
  6093. "bnx2x_8073_8727_external_rom_boot port %x:"
  6094. "Download failed. fw version = 0x%x\n",
  6095. port, fw_ver1);
  6096. rc = -EINVAL;
  6097. break;
  6098. }
  6099. bnx2x_cl45_read(bp, phy,
  6100. MDIO_PMA_DEVAD,
  6101. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6102. bnx2x_cl45_read(bp, phy,
  6103. MDIO_PMA_DEVAD,
  6104. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6105. msleep(1);
  6106. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6107. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6108. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6109. /* Clear ser_boot_ctl bit */
  6110. bnx2x_cl45_write(bp, phy,
  6111. MDIO_PMA_DEVAD,
  6112. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6113. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6114. DP(NETIF_MSG_LINK,
  6115. "bnx2x_8073_8727_external_rom_boot port %x:"
  6116. "Download complete. fw version = 0x%x\n",
  6117. port, fw_ver1);
  6118. return rc;
  6119. }
  6120. /******************************************************************/
  6121. /* BCM8073 PHY SECTION */
  6122. /******************************************************************/
  6123. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6124. {
  6125. /* This is only required for 8073A1, version 102 only */
  6126. u16 val;
  6127. /* Read 8073 HW revision*/
  6128. bnx2x_cl45_read(bp, phy,
  6129. MDIO_PMA_DEVAD,
  6130. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6131. if (val != 1) {
  6132. /* No need to workaround in 8073 A1 */
  6133. return 0;
  6134. }
  6135. bnx2x_cl45_read(bp, phy,
  6136. MDIO_PMA_DEVAD,
  6137. MDIO_PMA_REG_ROM_VER2, &val);
  6138. /* SNR should be applied only for version 0x102 */
  6139. if (val != 0x102)
  6140. return 0;
  6141. return 1;
  6142. }
  6143. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6144. {
  6145. u16 val, cnt, cnt1 ;
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_PMA_DEVAD,
  6148. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6149. if (val > 0) {
  6150. /* No need to workaround in 8073 A1 */
  6151. return 0;
  6152. }
  6153. /* XAUI workaround in 8073 A0: */
  6154. /*
  6155. * After loading the boot ROM and restarting Autoneg, poll
  6156. * Dev1, Reg $C820:
  6157. */
  6158. for (cnt = 0; cnt < 1000; cnt++) {
  6159. bnx2x_cl45_read(bp, phy,
  6160. MDIO_PMA_DEVAD,
  6161. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6162. &val);
  6163. /*
  6164. * If bit [14] = 0 or bit [13] = 0, continue on with
  6165. * system initialization (XAUI work-around not required, as
  6166. * these bits indicate 2.5G or 1G link up).
  6167. */
  6168. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6169. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6170. return 0;
  6171. } else if (!(val & (1<<15))) {
  6172. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6173. /*
  6174. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6175. * MSB (bit15) goes to 1 (indicating that the XAUI
  6176. * workaround has completed), then continue on with
  6177. * system initialization.
  6178. */
  6179. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6180. bnx2x_cl45_read(bp, phy,
  6181. MDIO_PMA_DEVAD,
  6182. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6183. if (val & (1<<15)) {
  6184. DP(NETIF_MSG_LINK,
  6185. "XAUI workaround has completed\n");
  6186. return 0;
  6187. }
  6188. msleep(3);
  6189. }
  6190. break;
  6191. }
  6192. msleep(3);
  6193. }
  6194. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6195. return -EINVAL;
  6196. }
  6197. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6198. {
  6199. /* Force KR or KX */
  6200. bnx2x_cl45_write(bp, phy,
  6201. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6202. bnx2x_cl45_write(bp, phy,
  6203. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6206. bnx2x_cl45_write(bp, phy,
  6207. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6208. }
  6209. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6210. struct bnx2x_phy *phy,
  6211. struct link_vars *vars)
  6212. {
  6213. u16 cl37_val;
  6214. struct bnx2x *bp = params->bp;
  6215. bnx2x_cl45_read(bp, phy,
  6216. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6217. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6218. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6219. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6220. if ((vars->ieee_fc &
  6221. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6222. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6223. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6224. }
  6225. if ((vars->ieee_fc &
  6226. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6227. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6228. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6229. }
  6230. if ((vars->ieee_fc &
  6231. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6232. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6233. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6234. }
  6235. DP(NETIF_MSG_LINK,
  6236. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6237. bnx2x_cl45_write(bp, phy,
  6238. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6239. msleep(500);
  6240. }
  6241. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6242. struct link_params *params,
  6243. struct link_vars *vars)
  6244. {
  6245. struct bnx2x *bp = params->bp;
  6246. u16 val = 0, tmp1;
  6247. u8 gpio_port;
  6248. DP(NETIF_MSG_LINK, "Init 8073\n");
  6249. if (CHIP_IS_E2(bp))
  6250. gpio_port = BP_PATH(bp);
  6251. else
  6252. gpio_port = params->port;
  6253. /* Restore normal power mode*/
  6254. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6255. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6256. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6257. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6258. /* enable LASI */
  6259. bnx2x_cl45_write(bp, phy,
  6260. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6261. bnx2x_cl45_write(bp, phy,
  6262. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6263. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6264. bnx2x_cl45_read(bp, phy,
  6265. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6266. bnx2x_cl45_read(bp, phy,
  6267. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6268. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6269. /* Swap polarity if required - Must be done only in non-1G mode */
  6270. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6271. /* Configure the 8073 to swap _P and _N of the KR lines */
  6272. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6273. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6274. bnx2x_cl45_read(bp, phy,
  6275. MDIO_PMA_DEVAD,
  6276. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6277. bnx2x_cl45_write(bp, phy,
  6278. MDIO_PMA_DEVAD,
  6279. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6280. (val | (3<<9)));
  6281. }
  6282. /* Enable CL37 BAM */
  6283. if (REG_RD(bp, params->shmem_base +
  6284. offsetof(struct shmem_region, dev_info.
  6285. port_hw_config[params->port].default_cfg)) &
  6286. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6287. bnx2x_cl45_read(bp, phy,
  6288. MDIO_AN_DEVAD,
  6289. MDIO_AN_REG_8073_BAM, &val);
  6290. bnx2x_cl45_write(bp, phy,
  6291. MDIO_AN_DEVAD,
  6292. MDIO_AN_REG_8073_BAM, val | 1);
  6293. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6294. }
  6295. if (params->loopback_mode == LOOPBACK_EXT) {
  6296. bnx2x_807x_force_10G(bp, phy);
  6297. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6298. return 0;
  6299. } else {
  6300. bnx2x_cl45_write(bp, phy,
  6301. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6302. }
  6303. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6304. if (phy->req_line_speed == SPEED_10000) {
  6305. val = (1<<7);
  6306. } else if (phy->req_line_speed == SPEED_2500) {
  6307. val = (1<<5);
  6308. /*
  6309. * Note that 2.5G works only when used with 1G
  6310. * advertisement
  6311. */
  6312. } else
  6313. val = (1<<5);
  6314. } else {
  6315. val = 0;
  6316. if (phy->speed_cap_mask &
  6317. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6318. val |= (1<<7);
  6319. /* Note that 2.5G works only when used with 1G advertisement */
  6320. if (phy->speed_cap_mask &
  6321. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6322. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6323. val |= (1<<5);
  6324. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6325. }
  6326. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6327. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6328. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6329. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6330. (phy->req_line_speed == SPEED_2500)) {
  6331. u16 phy_ver;
  6332. /* Allow 2.5G for A1 and above */
  6333. bnx2x_cl45_read(bp, phy,
  6334. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6335. &phy_ver);
  6336. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6337. if (phy_ver > 0)
  6338. tmp1 |= 1;
  6339. else
  6340. tmp1 &= 0xfffe;
  6341. } else {
  6342. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6343. tmp1 &= 0xfffe;
  6344. }
  6345. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6346. /* Add support for CL37 (passive mode) II */
  6347. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6348. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6349. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6350. 0x20 : 0x40)));
  6351. /* Add support for CL37 (passive mode) III */
  6352. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6353. /*
  6354. * The SNR will improve about 2db by changing BW and FEE main
  6355. * tap. Rest commands are executed after link is up
  6356. * Change FFE main cursor to 5 in EDC register
  6357. */
  6358. if (bnx2x_8073_is_snr_needed(bp, phy))
  6359. bnx2x_cl45_write(bp, phy,
  6360. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6361. 0xFB0C);
  6362. /* Enable FEC (Forware Error Correction) Request in the AN */
  6363. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6364. tmp1 |= (1<<15);
  6365. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6366. bnx2x_ext_phy_set_pause(params, phy, vars);
  6367. /* Restart autoneg */
  6368. msleep(500);
  6369. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6370. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6371. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6372. return 0;
  6373. }
  6374. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6375. struct link_params *params,
  6376. struct link_vars *vars)
  6377. {
  6378. struct bnx2x *bp = params->bp;
  6379. u8 link_up = 0;
  6380. u16 val1, val2;
  6381. u16 link_status = 0;
  6382. u16 an1000_status = 0;
  6383. bnx2x_cl45_read(bp, phy,
  6384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6385. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6386. /* clear the interrupt LASI status register */
  6387. bnx2x_cl45_read(bp, phy,
  6388. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6389. bnx2x_cl45_read(bp, phy,
  6390. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6391. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6392. /* Clear MSG-OUT */
  6393. bnx2x_cl45_read(bp, phy,
  6394. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6395. /* Check the LASI */
  6396. bnx2x_cl45_read(bp, phy,
  6397. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6398. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6399. /* Check the link status */
  6400. bnx2x_cl45_read(bp, phy,
  6401. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6402. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6403. bnx2x_cl45_read(bp, phy,
  6404. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6405. bnx2x_cl45_read(bp, phy,
  6406. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6407. link_up = ((val1 & 4) == 4);
  6408. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6409. if (link_up &&
  6410. ((phy->req_line_speed != SPEED_10000))) {
  6411. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6412. return 0;
  6413. }
  6414. bnx2x_cl45_read(bp, phy,
  6415. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6416. bnx2x_cl45_read(bp, phy,
  6417. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6418. /* Check the link status on 1.1.2 */
  6419. bnx2x_cl45_read(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6421. bnx2x_cl45_read(bp, phy,
  6422. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6423. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6424. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6425. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6426. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6427. /*
  6428. * The SNR will improve about 2dbby changing the BW and FEE main
  6429. * tap. The 1st write to change FFE main tap is set before
  6430. * restart AN. Change PLL Bandwidth in EDC register
  6431. */
  6432. bnx2x_cl45_write(bp, phy,
  6433. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6434. 0x26BC);
  6435. /* Change CDR Bandwidth in EDC register */
  6436. bnx2x_cl45_write(bp, phy,
  6437. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6438. 0x0333);
  6439. }
  6440. bnx2x_cl45_read(bp, phy,
  6441. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6442. &link_status);
  6443. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6444. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6445. link_up = 1;
  6446. vars->line_speed = SPEED_10000;
  6447. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6448. params->port);
  6449. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6450. link_up = 1;
  6451. vars->line_speed = SPEED_2500;
  6452. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6453. params->port);
  6454. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6455. link_up = 1;
  6456. vars->line_speed = SPEED_1000;
  6457. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6458. params->port);
  6459. } else {
  6460. link_up = 0;
  6461. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6462. params->port);
  6463. }
  6464. if (link_up) {
  6465. /* Swap polarity if required */
  6466. if (params->lane_config &
  6467. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6468. /* Configure the 8073 to swap P and N of the KR lines */
  6469. bnx2x_cl45_read(bp, phy,
  6470. MDIO_XS_DEVAD,
  6471. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6472. /*
  6473. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6474. * when it`s in 10G mode.
  6475. */
  6476. if (vars->line_speed == SPEED_1000) {
  6477. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6478. "the 8073\n");
  6479. val1 |= (1<<3);
  6480. } else
  6481. val1 &= ~(1<<3);
  6482. bnx2x_cl45_write(bp, phy,
  6483. MDIO_XS_DEVAD,
  6484. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6485. val1);
  6486. }
  6487. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6488. bnx2x_8073_resolve_fc(phy, params, vars);
  6489. vars->duplex = DUPLEX_FULL;
  6490. }
  6491. return link_up;
  6492. }
  6493. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6494. struct link_params *params)
  6495. {
  6496. struct bnx2x *bp = params->bp;
  6497. u8 gpio_port;
  6498. if (CHIP_IS_E2(bp))
  6499. gpio_port = BP_PATH(bp);
  6500. else
  6501. gpio_port = params->port;
  6502. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6503. gpio_port);
  6504. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6505. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6506. gpio_port);
  6507. }
  6508. /******************************************************************/
  6509. /* BCM8705 PHY SECTION */
  6510. /******************************************************************/
  6511. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6512. struct link_params *params,
  6513. struct link_vars *vars)
  6514. {
  6515. struct bnx2x *bp = params->bp;
  6516. DP(NETIF_MSG_LINK, "init 8705\n");
  6517. /* Restore normal power mode*/
  6518. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6519. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6520. /* HW reset */
  6521. bnx2x_ext_phy_hw_reset(bp, params->port);
  6522. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6523. bnx2x_wait_reset_complete(bp, phy, params);
  6524. bnx2x_cl45_write(bp, phy,
  6525. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6526. bnx2x_cl45_write(bp, phy,
  6527. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6528. bnx2x_cl45_write(bp, phy,
  6529. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6530. bnx2x_cl45_write(bp, phy,
  6531. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6532. /* BCM8705 doesn't have microcode, hence the 0 */
  6533. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6534. return 0;
  6535. }
  6536. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6537. struct link_params *params,
  6538. struct link_vars *vars)
  6539. {
  6540. u8 link_up = 0;
  6541. u16 val1, rx_sd;
  6542. struct bnx2x *bp = params->bp;
  6543. DP(NETIF_MSG_LINK, "read status 8705\n");
  6544. bnx2x_cl45_read(bp, phy,
  6545. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6546. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6547. bnx2x_cl45_read(bp, phy,
  6548. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6549. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6550. bnx2x_cl45_read(bp, phy,
  6551. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PMA_DEVAD, 0xc809, &val1);
  6554. bnx2x_cl45_read(bp, phy,
  6555. MDIO_PMA_DEVAD, 0xc809, &val1);
  6556. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6557. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6558. if (link_up) {
  6559. vars->line_speed = SPEED_10000;
  6560. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6561. }
  6562. return link_up;
  6563. }
  6564. /******************************************************************/
  6565. /* SFP+ module Section */
  6566. /******************************************************************/
  6567. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6568. struct bnx2x_phy *phy,
  6569. u8 pmd_dis)
  6570. {
  6571. struct bnx2x *bp = params->bp;
  6572. /*
  6573. * Disable transmitter only for bootcodes which can enable it afterwards
  6574. * (for D3 link)
  6575. */
  6576. if (pmd_dis) {
  6577. if (params->feature_config_flags &
  6578. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6579. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6580. else {
  6581. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6582. return;
  6583. }
  6584. } else
  6585. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6586. bnx2x_cl45_write(bp, phy,
  6587. MDIO_PMA_DEVAD,
  6588. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6589. }
  6590. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6591. {
  6592. u8 gpio_port;
  6593. u32 swap_val, swap_override;
  6594. struct bnx2x *bp = params->bp;
  6595. if (CHIP_IS_E2(bp))
  6596. gpio_port = BP_PATH(bp);
  6597. else
  6598. gpio_port = params->port;
  6599. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6600. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6601. return gpio_port ^ (swap_val && swap_override);
  6602. }
  6603. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6604. struct bnx2x_phy *phy,
  6605. u8 tx_en)
  6606. {
  6607. u16 val;
  6608. u8 port = params->port;
  6609. struct bnx2x *bp = params->bp;
  6610. u32 tx_en_mode;
  6611. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6612. tx_en_mode = REG_RD(bp, params->shmem_base +
  6613. offsetof(struct shmem_region,
  6614. dev_info.port_hw_config[port].sfp_ctrl)) &
  6615. PORT_HW_CFG_TX_LASER_MASK;
  6616. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6617. "mode = %x\n", tx_en, port, tx_en_mode);
  6618. switch (tx_en_mode) {
  6619. case PORT_HW_CFG_TX_LASER_MDIO:
  6620. bnx2x_cl45_read(bp, phy,
  6621. MDIO_PMA_DEVAD,
  6622. MDIO_PMA_REG_PHY_IDENTIFIER,
  6623. &val);
  6624. if (tx_en)
  6625. val &= ~(1<<15);
  6626. else
  6627. val |= (1<<15);
  6628. bnx2x_cl45_write(bp, phy,
  6629. MDIO_PMA_DEVAD,
  6630. MDIO_PMA_REG_PHY_IDENTIFIER,
  6631. val);
  6632. break;
  6633. case PORT_HW_CFG_TX_LASER_GPIO0:
  6634. case PORT_HW_CFG_TX_LASER_GPIO1:
  6635. case PORT_HW_CFG_TX_LASER_GPIO2:
  6636. case PORT_HW_CFG_TX_LASER_GPIO3:
  6637. {
  6638. u16 gpio_pin;
  6639. u8 gpio_port, gpio_mode;
  6640. if (tx_en)
  6641. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6642. else
  6643. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6644. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6645. gpio_port = bnx2x_get_gpio_port(params);
  6646. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6647. break;
  6648. }
  6649. default:
  6650. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6651. break;
  6652. }
  6653. }
  6654. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6655. struct bnx2x_phy *phy,
  6656. u8 tx_en)
  6657. {
  6658. struct bnx2x *bp = params->bp;
  6659. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6660. if (CHIP_IS_E3(bp))
  6661. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6662. else
  6663. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6664. }
  6665. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6666. struct link_params *params,
  6667. u16 addr, u8 byte_cnt, u8 *o_buf)
  6668. {
  6669. struct bnx2x *bp = params->bp;
  6670. u16 val = 0;
  6671. u16 i;
  6672. if (byte_cnt > 16) {
  6673. DP(NETIF_MSG_LINK,
  6674. "Reading from eeprom is limited to 0xf\n");
  6675. return -EINVAL;
  6676. }
  6677. /* Set the read command byte count */
  6678. bnx2x_cl45_write(bp, phy,
  6679. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6680. (byte_cnt | 0xa000));
  6681. /* Set the read command address */
  6682. bnx2x_cl45_write(bp, phy,
  6683. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6684. addr);
  6685. /* Activate read command */
  6686. bnx2x_cl45_write(bp, phy,
  6687. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6688. 0x2c0f);
  6689. /* Wait up to 500us for command complete status */
  6690. for (i = 0; i < 100; i++) {
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_PMA_DEVAD,
  6693. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6694. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6695. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6696. break;
  6697. udelay(5);
  6698. }
  6699. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6700. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6701. DP(NETIF_MSG_LINK,
  6702. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6703. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6704. return -EINVAL;
  6705. }
  6706. /* Read the buffer */
  6707. for (i = 0; i < byte_cnt; i++) {
  6708. bnx2x_cl45_read(bp, phy,
  6709. MDIO_PMA_DEVAD,
  6710. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6711. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6712. }
  6713. for (i = 0; i < 100; i++) {
  6714. bnx2x_cl45_read(bp, phy,
  6715. MDIO_PMA_DEVAD,
  6716. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6717. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6718. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6719. return 0;
  6720. msleep(1);
  6721. }
  6722. return -EINVAL;
  6723. }
  6724. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6725. struct link_params *params,
  6726. u16 addr, u8 byte_cnt,
  6727. u8 *o_buf)
  6728. {
  6729. int rc = 0;
  6730. u8 i, j = 0, cnt = 0;
  6731. u32 data_array[4];
  6732. u16 addr32;
  6733. struct bnx2x *bp = params->bp;
  6734. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6735. " addr %d, cnt %d\n",
  6736. addr, byte_cnt);*/
  6737. if (byte_cnt > 16) {
  6738. DP(NETIF_MSG_LINK,
  6739. "Reading from eeprom is limited to 16 bytes\n");
  6740. return -EINVAL;
  6741. }
  6742. /* 4 byte aligned address */
  6743. addr32 = addr & (~0x3);
  6744. do {
  6745. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6746. data_array);
  6747. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6748. if (rc == 0) {
  6749. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6750. o_buf[j] = *((u8 *)data_array + i);
  6751. j++;
  6752. }
  6753. }
  6754. return rc;
  6755. }
  6756. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6757. struct link_params *params,
  6758. u16 addr, u8 byte_cnt, u8 *o_buf)
  6759. {
  6760. struct bnx2x *bp = params->bp;
  6761. u16 val, i;
  6762. if (byte_cnt > 16) {
  6763. DP(NETIF_MSG_LINK,
  6764. "Reading from eeprom is limited to 0xf\n");
  6765. return -EINVAL;
  6766. }
  6767. /* Need to read from 1.8000 to clear it */
  6768. bnx2x_cl45_read(bp, phy,
  6769. MDIO_PMA_DEVAD,
  6770. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6771. &val);
  6772. /* Set the read command byte count */
  6773. bnx2x_cl45_write(bp, phy,
  6774. MDIO_PMA_DEVAD,
  6775. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6776. ((byte_cnt < 2) ? 2 : byte_cnt));
  6777. /* Set the read command address */
  6778. bnx2x_cl45_write(bp, phy,
  6779. MDIO_PMA_DEVAD,
  6780. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6781. addr);
  6782. /* Set the destination address */
  6783. bnx2x_cl45_write(bp, phy,
  6784. MDIO_PMA_DEVAD,
  6785. 0x8004,
  6786. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6787. /* Activate read command */
  6788. bnx2x_cl45_write(bp, phy,
  6789. MDIO_PMA_DEVAD,
  6790. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6791. 0x8002);
  6792. /*
  6793. * Wait appropriate time for two-wire command to finish before
  6794. * polling the status register
  6795. */
  6796. msleep(1);
  6797. /* Wait up to 500us for command complete status */
  6798. for (i = 0; i < 100; i++) {
  6799. bnx2x_cl45_read(bp, phy,
  6800. MDIO_PMA_DEVAD,
  6801. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6802. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6803. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6804. break;
  6805. udelay(5);
  6806. }
  6807. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6808. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6809. DP(NETIF_MSG_LINK,
  6810. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6811. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6812. return -EFAULT;
  6813. }
  6814. /* Read the buffer */
  6815. for (i = 0; i < byte_cnt; i++) {
  6816. bnx2x_cl45_read(bp, phy,
  6817. MDIO_PMA_DEVAD,
  6818. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6819. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6820. }
  6821. for (i = 0; i < 100; i++) {
  6822. bnx2x_cl45_read(bp, phy,
  6823. MDIO_PMA_DEVAD,
  6824. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6825. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6826. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6827. return 0;
  6828. msleep(1);
  6829. }
  6830. return -EINVAL;
  6831. }
  6832. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6833. struct link_params *params, u16 addr,
  6834. u8 byte_cnt, u8 *o_buf)
  6835. {
  6836. int rc = -EINVAL;
  6837. switch (phy->type) {
  6838. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6839. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6840. byte_cnt, o_buf);
  6841. break;
  6842. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6843. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6844. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6845. byte_cnt, o_buf);
  6846. break;
  6847. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6848. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6849. byte_cnt, o_buf);
  6850. break;
  6851. }
  6852. return rc;
  6853. }
  6854. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6855. struct link_params *params,
  6856. u16 *edc_mode)
  6857. {
  6858. struct bnx2x *bp = params->bp;
  6859. u32 sync_offset = 0, phy_idx, media_types;
  6860. u8 val, check_limiting_mode = 0;
  6861. *edc_mode = EDC_MODE_LIMITING;
  6862. phy->media_type = ETH_PHY_UNSPECIFIED;
  6863. /* First check for copper cable */
  6864. if (bnx2x_read_sfp_module_eeprom(phy,
  6865. params,
  6866. SFP_EEPROM_CON_TYPE_ADDR,
  6867. 1,
  6868. &val) != 0) {
  6869. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6870. return -EINVAL;
  6871. }
  6872. switch (val) {
  6873. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6874. {
  6875. u8 copper_module_type;
  6876. phy->media_type = ETH_PHY_DA_TWINAX;
  6877. /*
  6878. * Check if its active cable (includes SFP+ module)
  6879. * of passive cable
  6880. */
  6881. if (bnx2x_read_sfp_module_eeprom(phy,
  6882. params,
  6883. SFP_EEPROM_FC_TX_TECH_ADDR,
  6884. 1,
  6885. &copper_module_type) != 0) {
  6886. DP(NETIF_MSG_LINK,
  6887. "Failed to read copper-cable-type"
  6888. " from SFP+ EEPROM\n");
  6889. return -EINVAL;
  6890. }
  6891. if (copper_module_type &
  6892. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6893. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6894. check_limiting_mode = 1;
  6895. } else if (copper_module_type &
  6896. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6897. DP(NETIF_MSG_LINK,
  6898. "Passive Copper cable detected\n");
  6899. *edc_mode =
  6900. EDC_MODE_PASSIVE_DAC;
  6901. } else {
  6902. DP(NETIF_MSG_LINK,
  6903. "Unknown copper-cable-type 0x%x !!!\n",
  6904. copper_module_type);
  6905. return -EINVAL;
  6906. }
  6907. break;
  6908. }
  6909. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6910. phy->media_type = ETH_PHY_SFP_FIBER;
  6911. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6912. check_limiting_mode = 1;
  6913. break;
  6914. default:
  6915. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6916. val);
  6917. return -EINVAL;
  6918. }
  6919. sync_offset = params->shmem_base +
  6920. offsetof(struct shmem_region,
  6921. dev_info.port_hw_config[params->port].media_type);
  6922. media_types = REG_RD(bp, sync_offset);
  6923. /* Update media type for non-PMF sync */
  6924. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6925. if (&(params->phy[phy_idx]) == phy) {
  6926. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6927. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6928. media_types |= ((phy->media_type &
  6929. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6930. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6931. break;
  6932. }
  6933. }
  6934. REG_WR(bp, sync_offset, media_types);
  6935. if (check_limiting_mode) {
  6936. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6937. if (bnx2x_read_sfp_module_eeprom(phy,
  6938. params,
  6939. SFP_EEPROM_OPTIONS_ADDR,
  6940. SFP_EEPROM_OPTIONS_SIZE,
  6941. options) != 0) {
  6942. DP(NETIF_MSG_LINK,
  6943. "Failed to read Option field from module EEPROM\n");
  6944. return -EINVAL;
  6945. }
  6946. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6947. *edc_mode = EDC_MODE_LINEAR;
  6948. else
  6949. *edc_mode = EDC_MODE_LIMITING;
  6950. }
  6951. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6952. return 0;
  6953. }
  6954. /*
  6955. * This function read the relevant field from the module (SFP+), and verify it
  6956. * is compliant with this board
  6957. */
  6958. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6959. struct link_params *params)
  6960. {
  6961. struct bnx2x *bp = params->bp;
  6962. u32 val, cmd;
  6963. u32 fw_resp, fw_cmd_param;
  6964. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6965. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6966. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6967. val = REG_RD(bp, params->shmem_base +
  6968. offsetof(struct shmem_region, dev_info.
  6969. port_feature_config[params->port].config));
  6970. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6971. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6972. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6973. return 0;
  6974. }
  6975. if (params->feature_config_flags &
  6976. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6977. /* Use specific phy request */
  6978. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6979. } else if (params->feature_config_flags &
  6980. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6981. /* Use first phy request only in case of non-dual media*/
  6982. if (DUAL_MEDIA(params)) {
  6983. DP(NETIF_MSG_LINK,
  6984. "FW does not support OPT MDL verification\n");
  6985. return -EINVAL;
  6986. }
  6987. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6988. } else {
  6989. /* No support in OPT MDL detection */
  6990. DP(NETIF_MSG_LINK,
  6991. "FW does not support OPT MDL verification\n");
  6992. return -EINVAL;
  6993. }
  6994. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6995. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6996. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6997. DP(NETIF_MSG_LINK, "Approved module\n");
  6998. return 0;
  6999. }
  7000. /* format the warning message */
  7001. if (bnx2x_read_sfp_module_eeprom(phy,
  7002. params,
  7003. SFP_EEPROM_VENDOR_NAME_ADDR,
  7004. SFP_EEPROM_VENDOR_NAME_SIZE,
  7005. (u8 *)vendor_name))
  7006. vendor_name[0] = '\0';
  7007. else
  7008. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7009. if (bnx2x_read_sfp_module_eeprom(phy,
  7010. params,
  7011. SFP_EEPROM_PART_NO_ADDR,
  7012. SFP_EEPROM_PART_NO_SIZE,
  7013. (u8 *)vendor_pn))
  7014. vendor_pn[0] = '\0';
  7015. else
  7016. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7017. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7018. " Port %d from %s part number %s\n",
  7019. params->port, vendor_name, vendor_pn);
  7020. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7021. return -EINVAL;
  7022. }
  7023. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7024. struct link_params *params)
  7025. {
  7026. u8 val;
  7027. struct bnx2x *bp = params->bp;
  7028. u16 timeout;
  7029. /*
  7030. * Initialization time after hot-plug may take up to 300ms for
  7031. * some phys type ( e.g. JDSU )
  7032. */
  7033. for (timeout = 0; timeout < 60; timeout++) {
  7034. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7035. == 0) {
  7036. DP(NETIF_MSG_LINK,
  7037. "SFP+ module initialization took %d ms\n",
  7038. timeout * 5);
  7039. return 0;
  7040. }
  7041. msleep(5);
  7042. }
  7043. return -EINVAL;
  7044. }
  7045. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7046. struct bnx2x_phy *phy,
  7047. u8 is_power_up) {
  7048. /* Make sure GPIOs are not using for LED mode */
  7049. u16 val;
  7050. /*
  7051. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7052. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7053. * output
  7054. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7055. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7056. * where the 1st bit is the over-current(only input), and 2nd bit is
  7057. * for power( only output )
  7058. *
  7059. * In case of NOC feature is disabled and power is up, set GPIO control
  7060. * as input to enable listening of over-current indication
  7061. */
  7062. if (phy->flags & FLAGS_NOC)
  7063. return;
  7064. if (is_power_up)
  7065. val = (1<<4);
  7066. else
  7067. /*
  7068. * Set GPIO control to OUTPUT, and set the power bit
  7069. * to according to the is_power_up
  7070. */
  7071. val = (1<<1);
  7072. bnx2x_cl45_write(bp, phy,
  7073. MDIO_PMA_DEVAD,
  7074. MDIO_PMA_REG_8727_GPIO_CTRL,
  7075. val);
  7076. }
  7077. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7078. struct bnx2x_phy *phy,
  7079. u16 edc_mode)
  7080. {
  7081. u16 cur_limiting_mode;
  7082. bnx2x_cl45_read(bp, phy,
  7083. MDIO_PMA_DEVAD,
  7084. MDIO_PMA_REG_ROM_VER2,
  7085. &cur_limiting_mode);
  7086. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7087. cur_limiting_mode);
  7088. if (edc_mode == EDC_MODE_LIMITING) {
  7089. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7090. bnx2x_cl45_write(bp, phy,
  7091. MDIO_PMA_DEVAD,
  7092. MDIO_PMA_REG_ROM_VER2,
  7093. EDC_MODE_LIMITING);
  7094. } else { /* LRM mode ( default )*/
  7095. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7096. /*
  7097. * Changing to LRM mode takes quite few seconds. So do it only
  7098. * if current mode is limiting (default is LRM)
  7099. */
  7100. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7101. return 0;
  7102. bnx2x_cl45_write(bp, phy,
  7103. MDIO_PMA_DEVAD,
  7104. MDIO_PMA_REG_LRM_MODE,
  7105. 0);
  7106. bnx2x_cl45_write(bp, phy,
  7107. MDIO_PMA_DEVAD,
  7108. MDIO_PMA_REG_ROM_VER2,
  7109. 0x128);
  7110. bnx2x_cl45_write(bp, phy,
  7111. MDIO_PMA_DEVAD,
  7112. MDIO_PMA_REG_MISC_CTRL0,
  7113. 0x4008);
  7114. bnx2x_cl45_write(bp, phy,
  7115. MDIO_PMA_DEVAD,
  7116. MDIO_PMA_REG_LRM_MODE,
  7117. 0xaaaa);
  7118. }
  7119. return 0;
  7120. }
  7121. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7122. struct bnx2x_phy *phy,
  7123. u16 edc_mode)
  7124. {
  7125. u16 phy_identifier;
  7126. u16 rom_ver2_val;
  7127. bnx2x_cl45_read(bp, phy,
  7128. MDIO_PMA_DEVAD,
  7129. MDIO_PMA_REG_PHY_IDENTIFIER,
  7130. &phy_identifier);
  7131. bnx2x_cl45_write(bp, phy,
  7132. MDIO_PMA_DEVAD,
  7133. MDIO_PMA_REG_PHY_IDENTIFIER,
  7134. (phy_identifier & ~(1<<9)));
  7135. bnx2x_cl45_read(bp, phy,
  7136. MDIO_PMA_DEVAD,
  7137. MDIO_PMA_REG_ROM_VER2,
  7138. &rom_ver2_val);
  7139. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7140. bnx2x_cl45_write(bp, phy,
  7141. MDIO_PMA_DEVAD,
  7142. MDIO_PMA_REG_ROM_VER2,
  7143. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7144. bnx2x_cl45_write(bp, phy,
  7145. MDIO_PMA_DEVAD,
  7146. MDIO_PMA_REG_PHY_IDENTIFIER,
  7147. (phy_identifier | (1<<9)));
  7148. return 0;
  7149. }
  7150. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7151. struct link_params *params,
  7152. u32 action)
  7153. {
  7154. struct bnx2x *bp = params->bp;
  7155. switch (action) {
  7156. case DISABLE_TX:
  7157. bnx2x_sfp_set_transmitter(params, phy, 0);
  7158. break;
  7159. case ENABLE_TX:
  7160. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7161. bnx2x_sfp_set_transmitter(params, phy, 1);
  7162. break;
  7163. default:
  7164. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7165. action);
  7166. return;
  7167. }
  7168. }
  7169. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7170. u8 gpio_mode)
  7171. {
  7172. struct bnx2x *bp = params->bp;
  7173. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7174. offsetof(struct shmem_region,
  7175. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7176. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7177. switch (fault_led_gpio) {
  7178. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7179. return;
  7180. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7181. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7182. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7183. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7184. {
  7185. u8 gpio_port = bnx2x_get_gpio_port(params);
  7186. u16 gpio_pin = fault_led_gpio -
  7187. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7188. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7189. "pin %x port %x mode %x\n",
  7190. gpio_pin, gpio_port, gpio_mode);
  7191. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7192. }
  7193. break;
  7194. default:
  7195. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7196. fault_led_gpio);
  7197. }
  7198. }
  7199. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7200. u8 gpio_mode)
  7201. {
  7202. u32 pin_cfg;
  7203. u8 port = params->port;
  7204. struct bnx2x *bp = params->bp;
  7205. pin_cfg = (REG_RD(bp, params->shmem_base +
  7206. offsetof(struct shmem_region,
  7207. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7208. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7209. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7210. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7211. gpio_mode, pin_cfg);
  7212. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7213. }
  7214. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7215. u8 gpio_mode)
  7216. {
  7217. struct bnx2x *bp = params->bp;
  7218. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7219. if (CHIP_IS_E3(bp)) {
  7220. /*
  7221. * Low ==> if SFP+ module is supported otherwise
  7222. * High ==> if SFP+ module is not on the approved vendor list
  7223. */
  7224. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7225. } else
  7226. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7227. }
  7228. static void bnx2x_warpcore_power_module(struct link_params *params,
  7229. struct bnx2x_phy *phy,
  7230. u8 power)
  7231. {
  7232. u32 pin_cfg;
  7233. struct bnx2x *bp = params->bp;
  7234. pin_cfg = (REG_RD(bp, params->shmem_base +
  7235. offsetof(struct shmem_region,
  7236. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7237. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7238. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7239. if (pin_cfg == PIN_CFG_NA)
  7240. return;
  7241. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7242. power, pin_cfg);
  7243. /*
  7244. * Low ==> corresponding SFP+ module is powered
  7245. * high ==> the SFP+ module is powered down
  7246. */
  7247. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7248. }
  7249. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7250. struct link_params *params)
  7251. {
  7252. struct bnx2x *bp = params->bp;
  7253. bnx2x_warpcore_power_module(params, phy, 0);
  7254. /* Put Warpcore in low power mode */
  7255. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7256. /* Put LCPLL in low power mode */
  7257. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7258. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7259. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7260. }
  7261. static void bnx2x_power_sfp_module(struct link_params *params,
  7262. struct bnx2x_phy *phy,
  7263. u8 power)
  7264. {
  7265. struct bnx2x *bp = params->bp;
  7266. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7267. switch (phy->type) {
  7268. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7269. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7270. bnx2x_8727_power_module(params->bp, phy, power);
  7271. break;
  7272. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7273. bnx2x_warpcore_power_module(params, phy, power);
  7274. break;
  7275. default:
  7276. break;
  7277. }
  7278. }
  7279. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7280. struct bnx2x_phy *phy,
  7281. u16 edc_mode)
  7282. {
  7283. u16 val = 0;
  7284. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7285. struct bnx2x *bp = params->bp;
  7286. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7287. /* This is a global register which controls all lanes */
  7288. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7289. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7290. val &= ~(0xf << (lane << 2));
  7291. switch (edc_mode) {
  7292. case EDC_MODE_LINEAR:
  7293. case EDC_MODE_LIMITING:
  7294. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7295. break;
  7296. case EDC_MODE_PASSIVE_DAC:
  7297. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7298. break;
  7299. default:
  7300. break;
  7301. }
  7302. val |= (mode << (lane << 2));
  7303. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7304. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7305. /* A must read */
  7306. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7307. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7308. /* Restart microcode to re-read the new mode */
  7309. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7310. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7311. }
  7312. static void bnx2x_set_limiting_mode(struct link_params *params,
  7313. struct bnx2x_phy *phy,
  7314. u16 edc_mode)
  7315. {
  7316. switch (phy->type) {
  7317. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7318. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7319. break;
  7320. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7321. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7322. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7323. break;
  7324. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7325. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7326. break;
  7327. }
  7328. }
  7329. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7330. struct link_params *params)
  7331. {
  7332. struct bnx2x *bp = params->bp;
  7333. u16 edc_mode;
  7334. int rc = 0;
  7335. u32 val = REG_RD(bp, params->shmem_base +
  7336. offsetof(struct shmem_region, dev_info.
  7337. port_feature_config[params->port].config));
  7338. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7339. params->port);
  7340. /* Power up module */
  7341. bnx2x_power_sfp_module(params, phy, 1);
  7342. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7343. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7344. return -EINVAL;
  7345. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7346. /* check SFP+ module compatibility */
  7347. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7348. rc = -EINVAL;
  7349. /* Turn on fault module-detected led */
  7350. bnx2x_set_sfp_module_fault_led(params,
  7351. MISC_REGISTERS_GPIO_HIGH);
  7352. /* Check if need to power down the SFP+ module */
  7353. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7354. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7355. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7356. bnx2x_power_sfp_module(params, phy, 0);
  7357. return rc;
  7358. }
  7359. } else {
  7360. /* Turn off fault module-detected led */
  7361. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7362. }
  7363. /*
  7364. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7365. * is done automatically
  7366. */
  7367. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7368. /*
  7369. * Enable transmit for this module if the module is approved, or
  7370. * if unapproved modules should also enable the Tx laser
  7371. */
  7372. if (rc == 0 ||
  7373. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7374. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7375. bnx2x_sfp_set_transmitter(params, phy, 1);
  7376. else
  7377. bnx2x_sfp_set_transmitter(params, phy, 0);
  7378. return rc;
  7379. }
  7380. void bnx2x_handle_module_detect_int(struct link_params *params)
  7381. {
  7382. struct bnx2x *bp = params->bp;
  7383. struct bnx2x_phy *phy;
  7384. u32 gpio_val;
  7385. u8 gpio_num, gpio_port;
  7386. if (CHIP_IS_E3(bp))
  7387. phy = &params->phy[INT_PHY];
  7388. else
  7389. phy = &params->phy[EXT_PHY1];
  7390. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7391. params->port, &gpio_num, &gpio_port) ==
  7392. -EINVAL) {
  7393. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7394. return;
  7395. }
  7396. /* Set valid module led off */
  7397. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7398. /* Get current gpio val reflecting module plugged in / out*/
  7399. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7400. /* Call the handling function in case module is detected */
  7401. if (gpio_val == 0) {
  7402. bnx2x_power_sfp_module(params, phy, 1);
  7403. bnx2x_set_gpio_int(bp, gpio_num,
  7404. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7405. gpio_port);
  7406. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7407. bnx2x_sfp_module_detection(phy, params);
  7408. else
  7409. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7410. } else {
  7411. u32 val = REG_RD(bp, params->shmem_base +
  7412. offsetof(struct shmem_region, dev_info.
  7413. port_feature_config[params->port].
  7414. config));
  7415. bnx2x_set_gpio_int(bp, gpio_num,
  7416. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7417. gpio_port);
  7418. /*
  7419. * Module was plugged out.
  7420. * Disable transmit for this module
  7421. */
  7422. phy->media_type = ETH_PHY_NOT_PRESENT;
  7423. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7424. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7425. CHIP_IS_E3(bp))
  7426. bnx2x_sfp_set_transmitter(params, phy, 0);
  7427. }
  7428. }
  7429. /******************************************************************/
  7430. /* Used by 8706 and 8727 */
  7431. /******************************************************************/
  7432. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7433. struct bnx2x_phy *phy,
  7434. u16 alarm_status_offset,
  7435. u16 alarm_ctrl_offset)
  7436. {
  7437. u16 alarm_status, val;
  7438. bnx2x_cl45_read(bp, phy,
  7439. MDIO_PMA_DEVAD, alarm_status_offset,
  7440. &alarm_status);
  7441. bnx2x_cl45_read(bp, phy,
  7442. MDIO_PMA_DEVAD, alarm_status_offset,
  7443. &alarm_status);
  7444. /* Mask or enable the fault event. */
  7445. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7446. if (alarm_status & (1<<0))
  7447. val &= ~(1<<0);
  7448. else
  7449. val |= (1<<0);
  7450. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7451. }
  7452. /******************************************************************/
  7453. /* common BCM8706/BCM8726 PHY SECTION */
  7454. /******************************************************************/
  7455. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7456. struct link_params *params,
  7457. struct link_vars *vars)
  7458. {
  7459. u8 link_up = 0;
  7460. u16 val1, val2, rx_sd, pcs_status;
  7461. struct bnx2x *bp = params->bp;
  7462. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7463. /* Clear RX Alarm*/
  7464. bnx2x_cl45_read(bp, phy,
  7465. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7466. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7467. MDIO_PMA_LASI_TXCTRL);
  7468. /* clear LASI indication*/
  7469. bnx2x_cl45_read(bp, phy,
  7470. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7471. bnx2x_cl45_read(bp, phy,
  7472. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7473. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7474. bnx2x_cl45_read(bp, phy,
  7475. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7476. bnx2x_cl45_read(bp, phy,
  7477. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7478. bnx2x_cl45_read(bp, phy,
  7479. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7480. bnx2x_cl45_read(bp, phy,
  7481. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7482. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7483. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7484. /*
  7485. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7486. * are set, or if the autoneg bit 1 is set
  7487. */
  7488. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7489. if (link_up) {
  7490. if (val2 & (1<<1))
  7491. vars->line_speed = SPEED_1000;
  7492. else
  7493. vars->line_speed = SPEED_10000;
  7494. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7495. vars->duplex = DUPLEX_FULL;
  7496. }
  7497. /* Capture 10G link fault. Read twice to clear stale value. */
  7498. if (vars->line_speed == SPEED_10000) {
  7499. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7500. MDIO_PMA_LASI_TXSTAT, &val1);
  7501. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7502. MDIO_PMA_LASI_TXSTAT, &val1);
  7503. if (val1 & (1<<0))
  7504. vars->fault_detected = 1;
  7505. }
  7506. return link_up;
  7507. }
  7508. /******************************************************************/
  7509. /* BCM8706 PHY SECTION */
  7510. /******************************************************************/
  7511. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7512. struct link_params *params,
  7513. struct link_vars *vars)
  7514. {
  7515. u32 tx_en_mode;
  7516. u16 cnt, val, tmp1;
  7517. struct bnx2x *bp = params->bp;
  7518. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7519. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7520. /* HW reset */
  7521. bnx2x_ext_phy_hw_reset(bp, params->port);
  7522. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7523. bnx2x_wait_reset_complete(bp, phy, params);
  7524. /* Wait until fw is loaded */
  7525. for (cnt = 0; cnt < 100; cnt++) {
  7526. bnx2x_cl45_read(bp, phy,
  7527. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7528. if (val)
  7529. break;
  7530. msleep(10);
  7531. }
  7532. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7533. if ((params->feature_config_flags &
  7534. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7535. u8 i;
  7536. u16 reg;
  7537. for (i = 0; i < 4; i++) {
  7538. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7539. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7540. MDIO_XS_8706_REG_BANK_RX0);
  7541. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7542. /* Clear first 3 bits of the control */
  7543. val &= ~0x7;
  7544. /* Set control bits according to configuration */
  7545. val |= (phy->rx_preemphasis[i] & 0x7);
  7546. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7547. " reg 0x%x <-- val 0x%x\n", reg, val);
  7548. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7549. }
  7550. }
  7551. /* Force speed */
  7552. if (phy->req_line_speed == SPEED_10000) {
  7553. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7554. bnx2x_cl45_write(bp, phy,
  7555. MDIO_PMA_DEVAD,
  7556. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7557. bnx2x_cl45_write(bp, phy,
  7558. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7559. 0);
  7560. /* Arm LASI for link and Tx fault. */
  7561. bnx2x_cl45_write(bp, phy,
  7562. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7563. } else {
  7564. /* Force 1Gbps using autoneg with 1G advertisement */
  7565. /* Allow CL37 through CL73 */
  7566. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7567. bnx2x_cl45_write(bp, phy,
  7568. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7569. /* Enable Full-Duplex advertisement on CL37 */
  7570. bnx2x_cl45_write(bp, phy,
  7571. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7572. /* Enable CL37 AN */
  7573. bnx2x_cl45_write(bp, phy,
  7574. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7575. /* 1G support */
  7576. bnx2x_cl45_write(bp, phy,
  7577. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7578. /* Enable clause 73 AN */
  7579. bnx2x_cl45_write(bp, phy,
  7580. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7581. bnx2x_cl45_write(bp, phy,
  7582. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7583. 0x0400);
  7584. bnx2x_cl45_write(bp, phy,
  7585. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7586. 0x0004);
  7587. }
  7588. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7589. /*
  7590. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7591. * power mode, if TX Laser is disabled
  7592. */
  7593. tx_en_mode = REG_RD(bp, params->shmem_base +
  7594. offsetof(struct shmem_region,
  7595. dev_info.port_hw_config[params->port].sfp_ctrl))
  7596. & PORT_HW_CFG_TX_LASER_MASK;
  7597. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7598. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7599. bnx2x_cl45_read(bp, phy,
  7600. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7601. tmp1 |= 0x1;
  7602. bnx2x_cl45_write(bp, phy,
  7603. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7604. }
  7605. return 0;
  7606. }
  7607. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7608. struct link_params *params,
  7609. struct link_vars *vars)
  7610. {
  7611. return bnx2x_8706_8726_read_status(phy, params, vars);
  7612. }
  7613. /******************************************************************/
  7614. /* BCM8726 PHY SECTION */
  7615. /******************************************************************/
  7616. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7617. struct link_params *params)
  7618. {
  7619. struct bnx2x *bp = params->bp;
  7620. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7621. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7622. }
  7623. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7624. struct link_params *params)
  7625. {
  7626. struct bnx2x *bp = params->bp;
  7627. /* Need to wait 100ms after reset */
  7628. msleep(100);
  7629. /* Micro controller re-boot */
  7630. bnx2x_cl45_write(bp, phy,
  7631. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7632. /* Set soft reset */
  7633. bnx2x_cl45_write(bp, phy,
  7634. MDIO_PMA_DEVAD,
  7635. MDIO_PMA_REG_GEN_CTRL,
  7636. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7637. bnx2x_cl45_write(bp, phy,
  7638. MDIO_PMA_DEVAD,
  7639. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7640. bnx2x_cl45_write(bp, phy,
  7641. MDIO_PMA_DEVAD,
  7642. MDIO_PMA_REG_GEN_CTRL,
  7643. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7644. /* wait for 150ms for microcode load */
  7645. msleep(150);
  7646. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7647. bnx2x_cl45_write(bp, phy,
  7648. MDIO_PMA_DEVAD,
  7649. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7650. msleep(200);
  7651. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7652. }
  7653. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7654. struct link_params *params,
  7655. struct link_vars *vars)
  7656. {
  7657. struct bnx2x *bp = params->bp;
  7658. u16 val1;
  7659. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7660. if (link_up) {
  7661. bnx2x_cl45_read(bp, phy,
  7662. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7663. &val1);
  7664. if (val1 & (1<<15)) {
  7665. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7666. link_up = 0;
  7667. vars->line_speed = 0;
  7668. }
  7669. }
  7670. return link_up;
  7671. }
  7672. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7673. struct link_params *params,
  7674. struct link_vars *vars)
  7675. {
  7676. struct bnx2x *bp = params->bp;
  7677. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7678. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7679. bnx2x_wait_reset_complete(bp, phy, params);
  7680. bnx2x_8726_external_rom_boot(phy, params);
  7681. /*
  7682. * Need to call module detected on initialization since the module
  7683. * detection triggered by actual module insertion might occur before
  7684. * driver is loaded, and when driver is loaded, it reset all
  7685. * registers, including the transmitter
  7686. */
  7687. bnx2x_sfp_module_detection(phy, params);
  7688. if (phy->req_line_speed == SPEED_1000) {
  7689. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7690. bnx2x_cl45_write(bp, phy,
  7691. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7692. bnx2x_cl45_write(bp, phy,
  7693. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7698. 0x400);
  7699. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7700. (phy->speed_cap_mask &
  7701. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7702. ((phy->speed_cap_mask &
  7703. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7704. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7705. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7706. /* Set Flow control */
  7707. bnx2x_ext_phy_set_pause(params, phy, vars);
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7716. bnx2x_cl45_write(bp, phy,
  7717. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7718. /*
  7719. * Enable RX-ALARM control to receive interrupt for 1G speed
  7720. * change
  7721. */
  7722. bnx2x_cl45_write(bp, phy,
  7723. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7724. bnx2x_cl45_write(bp, phy,
  7725. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7726. 0x400);
  7727. } else { /* Default 10G. Set only LASI control */
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7730. }
  7731. /* Set TX PreEmphasis if needed */
  7732. if ((params->feature_config_flags &
  7733. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7734. DP(NETIF_MSG_LINK,
  7735. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7736. phy->tx_preemphasis[0],
  7737. phy->tx_preemphasis[1]);
  7738. bnx2x_cl45_write(bp, phy,
  7739. MDIO_PMA_DEVAD,
  7740. MDIO_PMA_REG_8726_TX_CTRL1,
  7741. phy->tx_preemphasis[0]);
  7742. bnx2x_cl45_write(bp, phy,
  7743. MDIO_PMA_DEVAD,
  7744. MDIO_PMA_REG_8726_TX_CTRL2,
  7745. phy->tx_preemphasis[1]);
  7746. }
  7747. return 0;
  7748. }
  7749. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7750. struct link_params *params)
  7751. {
  7752. struct bnx2x *bp = params->bp;
  7753. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7754. /* Set serial boot control for external load */
  7755. bnx2x_cl45_write(bp, phy,
  7756. MDIO_PMA_DEVAD,
  7757. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7758. }
  7759. /******************************************************************/
  7760. /* BCM8727 PHY SECTION */
  7761. /******************************************************************/
  7762. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7763. struct link_params *params, u8 mode)
  7764. {
  7765. struct bnx2x *bp = params->bp;
  7766. u16 led_mode_bitmask = 0;
  7767. u16 gpio_pins_bitmask = 0;
  7768. u16 val;
  7769. /* Only NOC flavor requires to set the LED specifically */
  7770. if (!(phy->flags & FLAGS_NOC))
  7771. return;
  7772. switch (mode) {
  7773. case LED_MODE_FRONT_PANEL_OFF:
  7774. case LED_MODE_OFF:
  7775. led_mode_bitmask = 0;
  7776. gpio_pins_bitmask = 0x03;
  7777. break;
  7778. case LED_MODE_ON:
  7779. led_mode_bitmask = 0;
  7780. gpio_pins_bitmask = 0x02;
  7781. break;
  7782. case LED_MODE_OPER:
  7783. led_mode_bitmask = 0x60;
  7784. gpio_pins_bitmask = 0x11;
  7785. break;
  7786. }
  7787. bnx2x_cl45_read(bp, phy,
  7788. MDIO_PMA_DEVAD,
  7789. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7790. &val);
  7791. val &= 0xff8f;
  7792. val |= led_mode_bitmask;
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_PMA_DEVAD,
  7795. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7796. val);
  7797. bnx2x_cl45_read(bp, phy,
  7798. MDIO_PMA_DEVAD,
  7799. MDIO_PMA_REG_8727_GPIO_CTRL,
  7800. &val);
  7801. val &= 0xffe0;
  7802. val |= gpio_pins_bitmask;
  7803. bnx2x_cl45_write(bp, phy,
  7804. MDIO_PMA_DEVAD,
  7805. MDIO_PMA_REG_8727_GPIO_CTRL,
  7806. val);
  7807. }
  7808. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7809. struct link_params *params) {
  7810. u32 swap_val, swap_override;
  7811. u8 port;
  7812. /*
  7813. * The PHY reset is controlled by GPIO 1. Fake the port number
  7814. * to cancel the swap done in set_gpio()
  7815. */
  7816. struct bnx2x *bp = params->bp;
  7817. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7818. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7819. port = (swap_val && swap_override) ^ 1;
  7820. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7821. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7822. }
  7823. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7824. struct link_params *params,
  7825. struct link_vars *vars)
  7826. {
  7827. u32 tx_en_mode;
  7828. u16 tmp1, val, mod_abs, tmp2;
  7829. u16 rx_alarm_ctrl_val;
  7830. u16 lasi_ctrl_val;
  7831. struct bnx2x *bp = params->bp;
  7832. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7833. bnx2x_wait_reset_complete(bp, phy, params);
  7834. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7835. /* Should be 0x6 to enable XS on Tx side. */
  7836. lasi_ctrl_val = 0x0006;
  7837. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7838. /* enable LASI */
  7839. bnx2x_cl45_write(bp, phy,
  7840. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7841. rx_alarm_ctrl_val);
  7842. bnx2x_cl45_write(bp, phy,
  7843. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7844. 0);
  7845. bnx2x_cl45_write(bp, phy,
  7846. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7847. /*
  7848. * Initially configure MOD_ABS to interrupt when module is
  7849. * presence( bit 8)
  7850. */
  7851. bnx2x_cl45_read(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7853. /*
  7854. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7855. * When the EDC is off it locks onto a reference clock and avoids
  7856. * becoming 'lost'
  7857. */
  7858. mod_abs &= ~(1<<8);
  7859. if (!(phy->flags & FLAGS_NOC))
  7860. mod_abs &= ~(1<<9);
  7861. bnx2x_cl45_write(bp, phy,
  7862. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7863. /* Enable/Disable PHY transmitter output */
  7864. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7865. /* Make MOD_ABS give interrupt on change */
  7866. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7867. &val);
  7868. val |= (1<<12);
  7869. if (phy->flags & FLAGS_NOC)
  7870. val |= (3<<5);
  7871. /*
  7872. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7873. * status which reflect SFP+ module over-current
  7874. */
  7875. if (!(phy->flags & FLAGS_NOC))
  7876. val &= 0xff8f; /* Reset bits 4-6 */
  7877. bnx2x_cl45_write(bp, phy,
  7878. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7879. bnx2x_8727_power_module(bp, phy, 1);
  7880. bnx2x_cl45_read(bp, phy,
  7881. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7882. bnx2x_cl45_read(bp, phy,
  7883. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7884. /* Set option 1G speed */
  7885. if (phy->req_line_speed == SPEED_1000) {
  7886. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7887. bnx2x_cl45_write(bp, phy,
  7888. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7891. bnx2x_cl45_read(bp, phy,
  7892. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7893. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7894. /*
  7895. * Power down the XAUI until link is up in case of dual-media
  7896. * and 1G
  7897. */
  7898. if (DUAL_MEDIA(params)) {
  7899. bnx2x_cl45_read(bp, phy,
  7900. MDIO_PMA_DEVAD,
  7901. MDIO_PMA_REG_8727_PCS_GP, &val);
  7902. val |= (3<<10);
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_PMA_DEVAD,
  7905. MDIO_PMA_REG_8727_PCS_GP, val);
  7906. }
  7907. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7908. ((phy->speed_cap_mask &
  7909. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7910. ((phy->speed_cap_mask &
  7911. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7912. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7913. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7914. bnx2x_cl45_write(bp, phy,
  7915. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7916. bnx2x_cl45_write(bp, phy,
  7917. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7918. } else {
  7919. /*
  7920. * Since the 8727 has only single reset pin, need to set the 10G
  7921. * registers although it is default
  7922. */
  7923. bnx2x_cl45_write(bp, phy,
  7924. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7925. 0x0020);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7930. bnx2x_cl45_write(bp, phy,
  7931. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7932. 0x0008);
  7933. }
  7934. /*
  7935. * Set 2-wire transfer rate of SFP+ module EEPROM
  7936. * to 100Khz since some DACs(direct attached cables) do
  7937. * not work at 400Khz.
  7938. */
  7939. bnx2x_cl45_write(bp, phy,
  7940. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7941. 0xa001);
  7942. /* Set TX PreEmphasis if needed */
  7943. if ((params->feature_config_flags &
  7944. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7945. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7946. phy->tx_preemphasis[0],
  7947. phy->tx_preemphasis[1]);
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7950. phy->tx_preemphasis[0]);
  7951. bnx2x_cl45_write(bp, phy,
  7952. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7953. phy->tx_preemphasis[1]);
  7954. }
  7955. /*
  7956. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7957. * power mode, if TX Laser is disabled
  7958. */
  7959. tx_en_mode = REG_RD(bp, params->shmem_base +
  7960. offsetof(struct shmem_region,
  7961. dev_info.port_hw_config[params->port].sfp_ctrl))
  7962. & PORT_HW_CFG_TX_LASER_MASK;
  7963. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7964. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7965. bnx2x_cl45_read(bp, phy,
  7966. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7967. tmp2 |= 0x1000;
  7968. tmp2 &= 0xFFEF;
  7969. bnx2x_cl45_write(bp, phy,
  7970. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7971. }
  7972. return 0;
  7973. }
  7974. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7975. struct link_params *params)
  7976. {
  7977. struct bnx2x *bp = params->bp;
  7978. u16 mod_abs, rx_alarm_status;
  7979. u32 val = REG_RD(bp, params->shmem_base +
  7980. offsetof(struct shmem_region, dev_info.
  7981. port_feature_config[params->port].
  7982. config));
  7983. bnx2x_cl45_read(bp, phy,
  7984. MDIO_PMA_DEVAD,
  7985. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7986. if (mod_abs & (1<<8)) {
  7987. /* Module is absent */
  7988. DP(NETIF_MSG_LINK,
  7989. "MOD_ABS indication show module is absent\n");
  7990. phy->media_type = ETH_PHY_NOT_PRESENT;
  7991. /*
  7992. * 1. Set mod_abs to detect next module
  7993. * presence event
  7994. * 2. Set EDC off by setting OPTXLOS signal input to low
  7995. * (bit 9).
  7996. * When the EDC is off it locks onto a reference clock and
  7997. * avoids becoming 'lost'.
  7998. */
  7999. mod_abs &= ~(1<<8);
  8000. if (!(phy->flags & FLAGS_NOC))
  8001. mod_abs &= ~(1<<9);
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_PMA_DEVAD,
  8004. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8005. /*
  8006. * Clear RX alarm since it stays up as long as
  8007. * the mod_abs wasn't changed
  8008. */
  8009. bnx2x_cl45_read(bp, phy,
  8010. MDIO_PMA_DEVAD,
  8011. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8012. } else {
  8013. /* Module is present */
  8014. DP(NETIF_MSG_LINK,
  8015. "MOD_ABS indication show module is present\n");
  8016. /*
  8017. * First disable transmitter, and if the module is ok, the
  8018. * module_detection will enable it
  8019. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8020. * 2. Restore the default polarity of the OPRXLOS signal and
  8021. * this signal will then correctly indicate the presence or
  8022. * absence of the Rx signal. (bit 9)
  8023. */
  8024. mod_abs |= (1<<8);
  8025. if (!(phy->flags & FLAGS_NOC))
  8026. mod_abs |= (1<<9);
  8027. bnx2x_cl45_write(bp, phy,
  8028. MDIO_PMA_DEVAD,
  8029. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8030. /*
  8031. * Clear RX alarm since it stays up as long as the mod_abs
  8032. * wasn't changed. This is need to be done before calling the
  8033. * module detection, otherwise it will clear* the link update
  8034. * alarm
  8035. */
  8036. bnx2x_cl45_read(bp, phy,
  8037. MDIO_PMA_DEVAD,
  8038. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8039. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8040. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8041. bnx2x_sfp_set_transmitter(params, phy, 0);
  8042. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8043. bnx2x_sfp_module_detection(phy, params);
  8044. else
  8045. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8046. }
  8047. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8048. rx_alarm_status);
  8049. /* No need to check link status in case of module plugged in/out */
  8050. }
  8051. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8052. struct link_params *params,
  8053. struct link_vars *vars)
  8054. {
  8055. struct bnx2x *bp = params->bp;
  8056. u8 link_up = 0, oc_port = params->port;
  8057. u16 link_status = 0;
  8058. u16 rx_alarm_status, lasi_ctrl, val1;
  8059. /* If PHY is not initialized, do not check link status */
  8060. bnx2x_cl45_read(bp, phy,
  8061. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8062. &lasi_ctrl);
  8063. if (!lasi_ctrl)
  8064. return 0;
  8065. /* Check the LASI on Rx */
  8066. bnx2x_cl45_read(bp, phy,
  8067. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8068. &rx_alarm_status);
  8069. vars->line_speed = 0;
  8070. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8071. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8072. MDIO_PMA_LASI_TXCTRL);
  8073. bnx2x_cl45_read(bp, phy,
  8074. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8075. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8076. /* Clear MSG-OUT */
  8077. bnx2x_cl45_read(bp, phy,
  8078. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8079. /*
  8080. * If a module is present and there is need to check
  8081. * for over current
  8082. */
  8083. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8084. /* Check over-current using 8727 GPIO0 input*/
  8085. bnx2x_cl45_read(bp, phy,
  8086. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8087. &val1);
  8088. if ((val1 & (1<<8)) == 0) {
  8089. if (!CHIP_IS_E1x(bp))
  8090. oc_port = BP_PATH(bp) + (params->port << 1);
  8091. DP(NETIF_MSG_LINK,
  8092. "8727 Power fault has been detected on port %d\n",
  8093. oc_port);
  8094. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8095. "been detected and the power to "
  8096. "that SFP+ module has been removed "
  8097. "to prevent failure of the card. "
  8098. "Please remove the SFP+ module and "
  8099. "restart the system to clear this "
  8100. "error.\n",
  8101. oc_port);
  8102. /* Disable all RX_ALARMs except for mod_abs */
  8103. bnx2x_cl45_write(bp, phy,
  8104. MDIO_PMA_DEVAD,
  8105. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8106. bnx2x_cl45_read(bp, phy,
  8107. MDIO_PMA_DEVAD,
  8108. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8109. /* Wait for module_absent_event */
  8110. val1 |= (1<<8);
  8111. bnx2x_cl45_write(bp, phy,
  8112. MDIO_PMA_DEVAD,
  8113. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8114. /* Clear RX alarm */
  8115. bnx2x_cl45_read(bp, phy,
  8116. MDIO_PMA_DEVAD,
  8117. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8118. return 0;
  8119. }
  8120. } /* Over current check */
  8121. /* When module absent bit is set, check module */
  8122. if (rx_alarm_status & (1<<5)) {
  8123. bnx2x_8727_handle_mod_abs(phy, params);
  8124. /* Enable all mod_abs and link detection bits */
  8125. bnx2x_cl45_write(bp, phy,
  8126. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8127. ((1<<5) | (1<<2)));
  8128. }
  8129. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8130. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8131. /* If transmitter is disabled, ignore false link up indication */
  8132. bnx2x_cl45_read(bp, phy,
  8133. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8134. if (val1 & (1<<15)) {
  8135. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8136. return 0;
  8137. }
  8138. bnx2x_cl45_read(bp, phy,
  8139. MDIO_PMA_DEVAD,
  8140. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8141. /*
  8142. * Bits 0..2 --> speed detected,
  8143. * Bits 13..15--> link is down
  8144. */
  8145. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8146. link_up = 1;
  8147. vars->line_speed = SPEED_10000;
  8148. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8149. params->port);
  8150. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8151. link_up = 1;
  8152. vars->line_speed = SPEED_1000;
  8153. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8154. params->port);
  8155. } else {
  8156. link_up = 0;
  8157. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8158. params->port);
  8159. }
  8160. /* Capture 10G link fault. */
  8161. if (vars->line_speed == SPEED_10000) {
  8162. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8163. MDIO_PMA_LASI_TXSTAT, &val1);
  8164. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8165. MDIO_PMA_LASI_TXSTAT, &val1);
  8166. if (val1 & (1<<0)) {
  8167. vars->fault_detected = 1;
  8168. }
  8169. }
  8170. if (link_up) {
  8171. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8172. vars->duplex = DUPLEX_FULL;
  8173. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8174. }
  8175. if ((DUAL_MEDIA(params)) &&
  8176. (phy->req_line_speed == SPEED_1000)) {
  8177. bnx2x_cl45_read(bp, phy,
  8178. MDIO_PMA_DEVAD,
  8179. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8180. /*
  8181. * In case of dual-media board and 1G, power up the XAUI side,
  8182. * otherwise power it down. For 10G it is done automatically
  8183. */
  8184. if (link_up)
  8185. val1 &= ~(3<<10);
  8186. else
  8187. val1 |= (3<<10);
  8188. bnx2x_cl45_write(bp, phy,
  8189. MDIO_PMA_DEVAD,
  8190. MDIO_PMA_REG_8727_PCS_GP, val1);
  8191. }
  8192. return link_up;
  8193. }
  8194. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8195. struct link_params *params)
  8196. {
  8197. struct bnx2x *bp = params->bp;
  8198. /* Enable/Disable PHY transmitter output */
  8199. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8200. /* Disable Transmitter */
  8201. bnx2x_sfp_set_transmitter(params, phy, 0);
  8202. /* Clear LASI */
  8203. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8204. }
  8205. /******************************************************************/
  8206. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8207. /******************************************************************/
  8208. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8209. struct bnx2x *bp,
  8210. u8 port)
  8211. {
  8212. u16 val, fw_ver1, fw_ver2, cnt;
  8213. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8214. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8215. bnx2x_save_spirom_version(bp, port,
  8216. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8217. phy->ver_addr);
  8218. } else {
  8219. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8220. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8221. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8222. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8223. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8224. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8225. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8226. for (cnt = 0; cnt < 100; cnt++) {
  8227. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8228. if (val & 1)
  8229. break;
  8230. udelay(5);
  8231. }
  8232. if (cnt == 100) {
  8233. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8234. "phy fw version(1)\n");
  8235. bnx2x_save_spirom_version(bp, port, 0,
  8236. phy->ver_addr);
  8237. return;
  8238. }
  8239. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8240. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8241. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8242. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8243. for (cnt = 0; cnt < 100; cnt++) {
  8244. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8245. if (val & 1)
  8246. break;
  8247. udelay(5);
  8248. }
  8249. if (cnt == 100) {
  8250. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8251. "version(2)\n");
  8252. bnx2x_save_spirom_version(bp, port, 0,
  8253. phy->ver_addr);
  8254. return;
  8255. }
  8256. /* lower 16 bits of the register SPI_FW_STATUS */
  8257. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8258. /* upper 16 bits of register SPI_FW_STATUS */
  8259. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8260. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8261. phy->ver_addr);
  8262. }
  8263. }
  8264. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8265. struct bnx2x_phy *phy)
  8266. {
  8267. u16 val, offset;
  8268. /* PHYC_CTL_LED_CTL */
  8269. bnx2x_cl45_read(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8272. val &= 0xFE00;
  8273. val |= 0x0092;
  8274. bnx2x_cl45_write(bp, phy,
  8275. MDIO_PMA_DEVAD,
  8276. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8277. bnx2x_cl45_write(bp, phy,
  8278. MDIO_PMA_DEVAD,
  8279. MDIO_PMA_REG_8481_LED1_MASK,
  8280. 0x80);
  8281. bnx2x_cl45_write(bp, phy,
  8282. MDIO_PMA_DEVAD,
  8283. MDIO_PMA_REG_8481_LED2_MASK,
  8284. 0x18);
  8285. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8286. bnx2x_cl45_write(bp, phy,
  8287. MDIO_PMA_DEVAD,
  8288. MDIO_PMA_REG_8481_LED3_MASK,
  8289. 0x0006);
  8290. /* Select the closest activity blink rate to that in 10/100/1000 */
  8291. bnx2x_cl45_write(bp, phy,
  8292. MDIO_PMA_DEVAD,
  8293. MDIO_PMA_REG_8481_LED3_BLINK,
  8294. 0);
  8295. /* Configure the blink rate to ~15.9 Hz */
  8296. bnx2x_cl45_write(bp, phy,
  8297. MDIO_PMA_DEVAD,
  8298. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8299. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8300. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8301. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8302. else
  8303. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8304. bnx2x_cl45_read(bp, phy,
  8305. MDIO_PMA_DEVAD, offset, &val);
  8306. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8307. bnx2x_cl45_write(bp, phy,
  8308. MDIO_PMA_DEVAD, offset, val);
  8309. /* 'Interrupt Mask' */
  8310. bnx2x_cl45_write(bp, phy,
  8311. MDIO_AN_DEVAD,
  8312. 0xFFFB, 0xFFFD);
  8313. }
  8314. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8315. struct link_params *params,
  8316. struct link_vars *vars)
  8317. {
  8318. struct bnx2x *bp = params->bp;
  8319. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8320. u16 tmp_req_line_speed;
  8321. tmp_req_line_speed = phy->req_line_speed;
  8322. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8323. if (phy->req_line_speed == SPEED_10000)
  8324. phy->req_line_speed = SPEED_AUTO_NEG;
  8325. } else {
  8326. /* Save spirom version */
  8327. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8328. }
  8329. /*
  8330. * This phy uses the NIG latch mechanism since link indication
  8331. * arrives through its LED4 and not via its LASI signal, so we
  8332. * get steady signal instead of clear on read
  8333. */
  8334. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8335. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8336. bnx2x_cl45_write(bp, phy,
  8337. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8338. bnx2x_848xx_set_led(bp, phy);
  8339. /* set 1000 speed advertisement */
  8340. bnx2x_cl45_read(bp, phy,
  8341. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8342. &an_1000_val);
  8343. bnx2x_ext_phy_set_pause(params, phy, vars);
  8344. bnx2x_cl45_read(bp, phy,
  8345. MDIO_AN_DEVAD,
  8346. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8347. &an_10_100_val);
  8348. bnx2x_cl45_read(bp, phy,
  8349. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8350. &autoneg_val);
  8351. /* Disable forced speed */
  8352. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8353. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8354. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8355. (phy->speed_cap_mask &
  8356. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8357. (phy->req_line_speed == SPEED_1000)) {
  8358. an_1000_val |= (1<<8);
  8359. autoneg_val |= (1<<9 | 1<<12);
  8360. if (phy->req_duplex == DUPLEX_FULL)
  8361. an_1000_val |= (1<<9);
  8362. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8363. } else
  8364. an_1000_val &= ~((1<<8) | (1<<9));
  8365. bnx2x_cl45_write(bp, phy,
  8366. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8367. an_1000_val);
  8368. /* set 100 speed advertisement */
  8369. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8370. (phy->speed_cap_mask &
  8371. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8372. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8373. an_10_100_val |= (1<<7);
  8374. /* Enable autoneg and restart autoneg for legacy speeds */
  8375. autoneg_val |= (1<<9 | 1<<12);
  8376. if (phy->req_duplex == DUPLEX_FULL)
  8377. an_10_100_val |= (1<<8);
  8378. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8379. }
  8380. /* set 10 speed advertisement */
  8381. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8382. (phy->speed_cap_mask &
  8383. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8384. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8385. (phy->supported &
  8386. (SUPPORTED_10baseT_Half |
  8387. SUPPORTED_10baseT_Full)))) {
  8388. an_10_100_val |= (1<<5);
  8389. autoneg_val |= (1<<9 | 1<<12);
  8390. if (phy->req_duplex == DUPLEX_FULL)
  8391. an_10_100_val |= (1<<6);
  8392. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8393. }
  8394. /* Only 10/100 are allowed to work in FORCE mode */
  8395. if ((phy->req_line_speed == SPEED_100) &&
  8396. (phy->supported &
  8397. (SUPPORTED_100baseT_Half |
  8398. SUPPORTED_100baseT_Full))) {
  8399. autoneg_val |= (1<<13);
  8400. /* Enabled AUTO-MDIX when autoneg is disabled */
  8401. bnx2x_cl45_write(bp, phy,
  8402. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8403. (1<<15 | 1<<9 | 7<<0));
  8404. /* The PHY needs this set even for forced link. */
  8405. an_10_100_val |= (1<<8) | (1<<7);
  8406. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8407. }
  8408. if ((phy->req_line_speed == SPEED_10) &&
  8409. (phy->supported &
  8410. (SUPPORTED_10baseT_Half |
  8411. SUPPORTED_10baseT_Full))) {
  8412. /* Enabled AUTO-MDIX when autoneg is disabled */
  8413. bnx2x_cl45_write(bp, phy,
  8414. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8415. (1<<15 | 1<<9 | 7<<0));
  8416. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8417. }
  8418. bnx2x_cl45_write(bp, phy,
  8419. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8420. an_10_100_val);
  8421. if (phy->req_duplex == DUPLEX_FULL)
  8422. autoneg_val |= (1<<8);
  8423. /*
  8424. * Always write this if this is not 84833.
  8425. * For 84833, write it only when it's a forced speed.
  8426. */
  8427. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8428. ((autoneg_val & (1<<12)) == 0))
  8429. bnx2x_cl45_write(bp, phy,
  8430. MDIO_AN_DEVAD,
  8431. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8432. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8433. (phy->speed_cap_mask &
  8434. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8435. (phy->req_line_speed == SPEED_10000)) {
  8436. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8437. /* Restart autoneg for 10G*/
  8438. bnx2x_cl45_read(bp, phy,
  8439. MDIO_AN_DEVAD,
  8440. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8441. &an_10g_val);
  8442. bnx2x_cl45_write(bp, phy,
  8443. MDIO_AN_DEVAD,
  8444. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8445. an_10g_val | 0x1000);
  8446. bnx2x_cl45_write(bp, phy,
  8447. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8448. 0x3200);
  8449. } else
  8450. bnx2x_cl45_write(bp, phy,
  8451. MDIO_AN_DEVAD,
  8452. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8453. 1);
  8454. phy->req_line_speed = tmp_req_line_speed;
  8455. return 0;
  8456. }
  8457. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8458. struct link_params *params,
  8459. struct link_vars *vars)
  8460. {
  8461. struct bnx2x *bp = params->bp;
  8462. /* Restore normal power mode*/
  8463. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8464. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8465. /* HW reset */
  8466. bnx2x_ext_phy_hw_reset(bp, params->port);
  8467. bnx2x_wait_reset_complete(bp, phy, params);
  8468. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8469. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8470. }
  8471. #define PHY84833_CMDHDLR_WAIT 300
  8472. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8473. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8474. struct link_params *params,
  8475. u16 fw_cmd,
  8476. u16 cmd_args[])
  8477. {
  8478. u32 idx;
  8479. u16 val;
  8480. struct bnx2x *bp = params->bp;
  8481. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8482. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8483. MDIO_84833_CMD_HDLR_STATUS,
  8484. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8485. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8486. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8487. MDIO_84833_CMD_HDLR_STATUS, &val);
  8488. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8489. break;
  8490. msleep(1);
  8491. }
  8492. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8493. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8494. return -EINVAL;
  8495. }
  8496. /* Prepare argument(s) and issue command */
  8497. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8498. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8499. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8500. cmd_args[idx]);
  8501. }
  8502. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8503. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8504. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8505. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8506. MDIO_84833_CMD_HDLR_STATUS, &val);
  8507. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8508. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8509. break;
  8510. msleep(1);
  8511. }
  8512. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8513. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8514. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8515. return -EINVAL;
  8516. }
  8517. /* Gather returning data */
  8518. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8519. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8520. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8521. &cmd_args[idx]);
  8522. }
  8523. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8524. MDIO_84833_CMD_HDLR_STATUS,
  8525. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8526. return 0;
  8527. }
  8528. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8529. struct link_params *params,
  8530. struct link_vars *vars)
  8531. {
  8532. u32 pair_swap;
  8533. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8534. int status;
  8535. struct bnx2x *bp = params->bp;
  8536. /* Check for configuration. */
  8537. pair_swap = REG_RD(bp, params->shmem_base +
  8538. offsetof(struct shmem_region,
  8539. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8540. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8541. if (pair_swap == 0)
  8542. return 0;
  8543. /* Only the second argument is used for this command */
  8544. data[1] = (u16)pair_swap;
  8545. status = bnx2x_84833_cmd_hdlr(phy, params,
  8546. PHY84833_CMD_SET_PAIR_SWAP, data);
  8547. if (status == 0)
  8548. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8549. return status;
  8550. }
  8551. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8552. u32 shmem_base_path[],
  8553. u32 chip_id)
  8554. {
  8555. u32 reset_pin[2];
  8556. u32 idx;
  8557. u8 reset_gpios;
  8558. if (CHIP_IS_E3(bp)) {
  8559. /* Assume that these will be GPIOs, not EPIOs. */
  8560. for (idx = 0; idx < 2; idx++) {
  8561. /* Map config param to register bit. */
  8562. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8563. offsetof(struct shmem_region,
  8564. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8565. reset_pin[idx] = (reset_pin[idx] &
  8566. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8567. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8568. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8569. reset_pin[idx] = (1 << reset_pin[idx]);
  8570. }
  8571. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8572. } else {
  8573. /* E2, look from diff place of shmem. */
  8574. for (idx = 0; idx < 2; idx++) {
  8575. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8576. offsetof(struct shmem_region,
  8577. dev_info.port_hw_config[0].default_cfg));
  8578. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8579. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8580. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8581. reset_pin[idx] = (1 << reset_pin[idx]);
  8582. }
  8583. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8584. }
  8585. return reset_gpios;
  8586. }
  8587. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8588. struct link_params *params)
  8589. {
  8590. struct bnx2x *bp = params->bp;
  8591. u8 reset_gpios;
  8592. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8593. offsetof(struct shmem2_region,
  8594. other_shmem_base_addr));
  8595. u32 shmem_base_path[2];
  8596. shmem_base_path[0] = params->shmem_base;
  8597. shmem_base_path[1] = other_shmem_base_addr;
  8598. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8599. params->chip_id);
  8600. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8601. udelay(10);
  8602. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8603. reset_gpios);
  8604. return 0;
  8605. }
  8606. #define PHY84833_CONSTANT_LATENCY 1193
  8607. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8608. struct link_params *params,
  8609. struct link_vars *vars)
  8610. {
  8611. struct bnx2x *bp = params->bp;
  8612. u8 port, initialize = 1;
  8613. u16 val;
  8614. u32 actual_phy_selection, cms_enable;
  8615. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8616. int rc = 0;
  8617. msleep(1);
  8618. if (!(CHIP_IS_E1(bp)))
  8619. port = BP_PATH(bp);
  8620. else
  8621. port = params->port;
  8622. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8623. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8624. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8625. port);
  8626. } else {
  8627. /* MDIO reset */
  8628. bnx2x_cl45_write(bp, phy,
  8629. MDIO_PMA_DEVAD,
  8630. MDIO_PMA_REG_CTRL, 0x8000);
  8631. }
  8632. bnx2x_wait_reset_complete(bp, phy, params);
  8633. /* Wait for GPHY to come out of reset */
  8634. msleep(50);
  8635. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8636. /*
  8637. * BCM84823 requires that XGXS links up first @ 10G for normal
  8638. * behavior.
  8639. */
  8640. u16 temp;
  8641. temp = vars->line_speed;
  8642. vars->line_speed = SPEED_10000;
  8643. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8644. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8645. vars->line_speed = temp;
  8646. }
  8647. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8648. MDIO_CTL_REG_84823_MEDIA, &val);
  8649. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8650. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8651. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8652. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8653. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8654. if (CHIP_IS_E3(bp)) {
  8655. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8656. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8657. } else {
  8658. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8659. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8660. }
  8661. actual_phy_selection = bnx2x_phy_selection(params);
  8662. switch (actual_phy_selection) {
  8663. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8664. /* Do nothing. Essentially this is like the priority copper */
  8665. break;
  8666. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8667. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8668. break;
  8669. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8670. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8671. break;
  8672. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8673. /* Do nothing here. The first PHY won't be initialized at all */
  8674. break;
  8675. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8676. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8677. initialize = 0;
  8678. break;
  8679. }
  8680. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8681. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8682. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8683. MDIO_CTL_REG_84823_MEDIA, val);
  8684. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8685. params->multi_phy_config, val);
  8686. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8687. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8688. /* Keep AutogrEEEn disabled. */
  8689. cmd_args[0] = 0x0;
  8690. cmd_args[1] = 0x0;
  8691. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8692. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8693. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8694. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8695. if (rc != 0)
  8696. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8697. }
  8698. if (initialize)
  8699. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8700. else
  8701. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8702. /* 84833 PHY has a better feature and doesn't need to support this. */
  8703. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8704. cms_enable = REG_RD(bp, params->shmem_base +
  8705. offsetof(struct shmem_region,
  8706. dev_info.port_hw_config[params->port].default_cfg)) &
  8707. PORT_HW_CFG_ENABLE_CMS_MASK;
  8708. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8709. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8710. if (cms_enable)
  8711. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8712. else
  8713. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8714. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8715. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8716. }
  8717. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8718. /* Bring PHY out of super isolate mode as the final step. */
  8719. bnx2x_cl45_read(bp, phy,
  8720. MDIO_CTL_DEVAD,
  8721. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8722. val &= ~MDIO_84833_SUPER_ISOLATE;
  8723. bnx2x_cl45_write(bp, phy,
  8724. MDIO_CTL_DEVAD,
  8725. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8726. }
  8727. return rc;
  8728. }
  8729. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8730. struct link_params *params,
  8731. struct link_vars *vars)
  8732. {
  8733. struct bnx2x *bp = params->bp;
  8734. u16 val, val1, val2;
  8735. u8 link_up = 0;
  8736. /* Check 10G-BaseT link status */
  8737. /* Check PMD signal ok */
  8738. bnx2x_cl45_read(bp, phy,
  8739. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8740. bnx2x_cl45_read(bp, phy,
  8741. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8742. &val2);
  8743. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8744. /* Check link 10G */
  8745. if (val2 & (1<<11)) {
  8746. vars->line_speed = SPEED_10000;
  8747. vars->duplex = DUPLEX_FULL;
  8748. link_up = 1;
  8749. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8750. } else { /* Check Legacy speed link */
  8751. u16 legacy_status, legacy_speed;
  8752. /* Enable expansion register 0x42 (Operation mode status) */
  8753. bnx2x_cl45_write(bp, phy,
  8754. MDIO_AN_DEVAD,
  8755. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8756. /* Get legacy speed operation status */
  8757. bnx2x_cl45_read(bp, phy,
  8758. MDIO_AN_DEVAD,
  8759. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8760. &legacy_status);
  8761. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8762. legacy_status);
  8763. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8764. if (link_up) {
  8765. legacy_speed = (legacy_status & (3<<9));
  8766. if (legacy_speed == (0<<9))
  8767. vars->line_speed = SPEED_10;
  8768. else if (legacy_speed == (1<<9))
  8769. vars->line_speed = SPEED_100;
  8770. else if (legacy_speed == (2<<9))
  8771. vars->line_speed = SPEED_1000;
  8772. else /* Should not happen */
  8773. vars->line_speed = 0;
  8774. if (legacy_status & (1<<8))
  8775. vars->duplex = DUPLEX_FULL;
  8776. else
  8777. vars->duplex = DUPLEX_HALF;
  8778. DP(NETIF_MSG_LINK,
  8779. "Link is up in %dMbps, is_duplex_full= %d\n",
  8780. vars->line_speed,
  8781. (vars->duplex == DUPLEX_FULL));
  8782. /* Check legacy speed AN resolution */
  8783. bnx2x_cl45_read(bp, phy,
  8784. MDIO_AN_DEVAD,
  8785. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8786. &val);
  8787. if (val & (1<<5))
  8788. vars->link_status |=
  8789. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8790. bnx2x_cl45_read(bp, phy,
  8791. MDIO_AN_DEVAD,
  8792. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8793. &val);
  8794. if ((val & (1<<0)) == 0)
  8795. vars->link_status |=
  8796. LINK_STATUS_PARALLEL_DETECTION_USED;
  8797. }
  8798. }
  8799. if (link_up) {
  8800. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8801. vars->line_speed);
  8802. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8803. }
  8804. return link_up;
  8805. }
  8806. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8807. {
  8808. int status = 0;
  8809. u32 spirom_ver;
  8810. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8811. status = bnx2x_format_ver(spirom_ver, str, len);
  8812. return status;
  8813. }
  8814. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8815. struct link_params *params)
  8816. {
  8817. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8818. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8819. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8820. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8821. }
  8822. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8823. struct link_params *params)
  8824. {
  8825. bnx2x_cl45_write(params->bp, phy,
  8826. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8827. bnx2x_cl45_write(params->bp, phy,
  8828. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8829. }
  8830. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8831. struct link_params *params)
  8832. {
  8833. struct bnx2x *bp = params->bp;
  8834. u8 port;
  8835. u16 val16;
  8836. if (!(CHIP_IS_E1(bp)))
  8837. port = BP_PATH(bp);
  8838. else
  8839. port = params->port;
  8840. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8841. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8842. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8843. port);
  8844. } else {
  8845. bnx2x_cl45_read(bp, phy,
  8846. MDIO_CTL_DEVAD,
  8847. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8848. val16 |= MDIO_84833_SUPER_ISOLATE;
  8849. bnx2x_cl45_write(bp, phy,
  8850. MDIO_CTL_DEVAD,
  8851. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8852. }
  8853. }
  8854. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8855. struct link_params *params, u8 mode)
  8856. {
  8857. struct bnx2x *bp = params->bp;
  8858. u16 val;
  8859. u8 port;
  8860. if (!(CHIP_IS_E1(bp)))
  8861. port = BP_PATH(bp);
  8862. else
  8863. port = params->port;
  8864. switch (mode) {
  8865. case LED_MODE_OFF:
  8866. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8867. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8868. SHARED_HW_CFG_LED_EXTPHY1) {
  8869. /* Set LED masks */
  8870. bnx2x_cl45_write(bp, phy,
  8871. MDIO_PMA_DEVAD,
  8872. MDIO_PMA_REG_8481_LED1_MASK,
  8873. 0x0);
  8874. bnx2x_cl45_write(bp, phy,
  8875. MDIO_PMA_DEVAD,
  8876. MDIO_PMA_REG_8481_LED2_MASK,
  8877. 0x0);
  8878. bnx2x_cl45_write(bp, phy,
  8879. MDIO_PMA_DEVAD,
  8880. MDIO_PMA_REG_8481_LED3_MASK,
  8881. 0x0);
  8882. bnx2x_cl45_write(bp, phy,
  8883. MDIO_PMA_DEVAD,
  8884. MDIO_PMA_REG_8481_LED5_MASK,
  8885. 0x0);
  8886. } else {
  8887. bnx2x_cl45_write(bp, phy,
  8888. MDIO_PMA_DEVAD,
  8889. MDIO_PMA_REG_8481_LED1_MASK,
  8890. 0x0);
  8891. }
  8892. break;
  8893. case LED_MODE_FRONT_PANEL_OFF:
  8894. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8895. port);
  8896. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8897. SHARED_HW_CFG_LED_EXTPHY1) {
  8898. /* Set LED masks */
  8899. bnx2x_cl45_write(bp, phy,
  8900. MDIO_PMA_DEVAD,
  8901. MDIO_PMA_REG_8481_LED1_MASK,
  8902. 0x0);
  8903. bnx2x_cl45_write(bp, phy,
  8904. MDIO_PMA_DEVAD,
  8905. MDIO_PMA_REG_8481_LED2_MASK,
  8906. 0x0);
  8907. bnx2x_cl45_write(bp, phy,
  8908. MDIO_PMA_DEVAD,
  8909. MDIO_PMA_REG_8481_LED3_MASK,
  8910. 0x0);
  8911. bnx2x_cl45_write(bp, phy,
  8912. MDIO_PMA_DEVAD,
  8913. MDIO_PMA_REG_8481_LED5_MASK,
  8914. 0x20);
  8915. } else {
  8916. bnx2x_cl45_write(bp, phy,
  8917. MDIO_PMA_DEVAD,
  8918. MDIO_PMA_REG_8481_LED1_MASK,
  8919. 0x0);
  8920. }
  8921. break;
  8922. case LED_MODE_ON:
  8923. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8924. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8925. SHARED_HW_CFG_LED_EXTPHY1) {
  8926. /* Set control reg */
  8927. bnx2x_cl45_read(bp, phy,
  8928. MDIO_PMA_DEVAD,
  8929. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8930. &val);
  8931. val &= 0x8000;
  8932. val |= 0x2492;
  8933. bnx2x_cl45_write(bp, phy,
  8934. MDIO_PMA_DEVAD,
  8935. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8936. val);
  8937. /* Set LED masks */
  8938. bnx2x_cl45_write(bp, phy,
  8939. MDIO_PMA_DEVAD,
  8940. MDIO_PMA_REG_8481_LED1_MASK,
  8941. 0x0);
  8942. bnx2x_cl45_write(bp, phy,
  8943. MDIO_PMA_DEVAD,
  8944. MDIO_PMA_REG_8481_LED2_MASK,
  8945. 0x20);
  8946. bnx2x_cl45_write(bp, phy,
  8947. MDIO_PMA_DEVAD,
  8948. MDIO_PMA_REG_8481_LED3_MASK,
  8949. 0x20);
  8950. bnx2x_cl45_write(bp, phy,
  8951. MDIO_PMA_DEVAD,
  8952. MDIO_PMA_REG_8481_LED5_MASK,
  8953. 0x0);
  8954. } else {
  8955. bnx2x_cl45_write(bp, phy,
  8956. MDIO_PMA_DEVAD,
  8957. MDIO_PMA_REG_8481_LED1_MASK,
  8958. 0x20);
  8959. }
  8960. break;
  8961. case LED_MODE_OPER:
  8962. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8963. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8964. SHARED_HW_CFG_LED_EXTPHY1) {
  8965. /* Set control reg */
  8966. bnx2x_cl45_read(bp, phy,
  8967. MDIO_PMA_DEVAD,
  8968. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8969. &val);
  8970. if (!((val &
  8971. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8972. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8973. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8974. bnx2x_cl45_write(bp, phy,
  8975. MDIO_PMA_DEVAD,
  8976. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8977. 0xa492);
  8978. }
  8979. /* Set LED masks */
  8980. bnx2x_cl45_write(bp, phy,
  8981. MDIO_PMA_DEVAD,
  8982. MDIO_PMA_REG_8481_LED1_MASK,
  8983. 0x10);
  8984. bnx2x_cl45_write(bp, phy,
  8985. MDIO_PMA_DEVAD,
  8986. MDIO_PMA_REG_8481_LED2_MASK,
  8987. 0x80);
  8988. bnx2x_cl45_write(bp, phy,
  8989. MDIO_PMA_DEVAD,
  8990. MDIO_PMA_REG_8481_LED3_MASK,
  8991. 0x98);
  8992. bnx2x_cl45_write(bp, phy,
  8993. MDIO_PMA_DEVAD,
  8994. MDIO_PMA_REG_8481_LED5_MASK,
  8995. 0x40);
  8996. } else {
  8997. bnx2x_cl45_write(bp, phy,
  8998. MDIO_PMA_DEVAD,
  8999. MDIO_PMA_REG_8481_LED1_MASK,
  9000. 0x80);
  9001. /* Tell LED3 to blink on source */
  9002. bnx2x_cl45_read(bp, phy,
  9003. MDIO_PMA_DEVAD,
  9004. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9005. &val);
  9006. val &= ~(7<<6);
  9007. val |= (1<<6); /* A83B[8:6]= 1 */
  9008. bnx2x_cl45_write(bp, phy,
  9009. MDIO_PMA_DEVAD,
  9010. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9011. val);
  9012. }
  9013. break;
  9014. }
  9015. /*
  9016. * This is a workaround for E3+84833 until autoneg
  9017. * restart is fixed in f/w
  9018. */
  9019. if (CHIP_IS_E3(bp)) {
  9020. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9021. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9022. }
  9023. }
  9024. /******************************************************************/
  9025. /* 54618SE PHY SECTION */
  9026. /******************************************************************/
  9027. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9028. struct link_params *params,
  9029. struct link_vars *vars)
  9030. {
  9031. struct bnx2x *bp = params->bp;
  9032. u8 port;
  9033. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9034. u32 cfg_pin;
  9035. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9036. usleep_range(1000, 1000);
  9037. /*
  9038. * This works with E3 only, no need to check the chip
  9039. * before determining the port.
  9040. */
  9041. port = params->port;
  9042. cfg_pin = (REG_RD(bp, params->shmem_base +
  9043. offsetof(struct shmem_region,
  9044. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9045. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9046. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9047. /* Drive pin high to bring the GPHY out of reset. */
  9048. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9049. /* wait for GPHY to reset */
  9050. msleep(50);
  9051. /* reset phy */
  9052. bnx2x_cl22_write(bp, phy,
  9053. MDIO_PMA_REG_CTRL, 0x8000);
  9054. bnx2x_wait_reset_complete(bp, phy, params);
  9055. /*wait for GPHY to reset */
  9056. msleep(50);
  9057. /* Configure LED4: set to INTR (0x6). */
  9058. /* Accessing shadow register 0xe. */
  9059. bnx2x_cl22_write(bp, phy,
  9060. MDIO_REG_GPHY_SHADOW,
  9061. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9062. bnx2x_cl22_read(bp, phy,
  9063. MDIO_REG_GPHY_SHADOW,
  9064. &temp);
  9065. temp &= ~(0xf << 4);
  9066. temp |= (0x6 << 4);
  9067. bnx2x_cl22_write(bp, phy,
  9068. MDIO_REG_GPHY_SHADOW,
  9069. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9070. /* Configure INTR based on link status change. */
  9071. bnx2x_cl22_write(bp, phy,
  9072. MDIO_REG_INTR_MASK,
  9073. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9074. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9075. bnx2x_cl22_write(bp, phy,
  9076. MDIO_REG_GPHY_SHADOW,
  9077. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9078. bnx2x_cl22_read(bp, phy,
  9079. MDIO_REG_GPHY_SHADOW,
  9080. &temp);
  9081. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9082. bnx2x_cl22_write(bp, phy,
  9083. MDIO_REG_GPHY_SHADOW,
  9084. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9085. /* Set up fc */
  9086. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9087. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9088. fc_val = 0;
  9089. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9090. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9091. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9092. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9093. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9094. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9095. /* read all advertisement */
  9096. bnx2x_cl22_read(bp, phy,
  9097. 0x09,
  9098. &an_1000_val);
  9099. bnx2x_cl22_read(bp, phy,
  9100. 0x04,
  9101. &an_10_100_val);
  9102. bnx2x_cl22_read(bp, phy,
  9103. MDIO_PMA_REG_CTRL,
  9104. &autoneg_val);
  9105. /* Disable forced speed */
  9106. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9107. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9108. (1<<11));
  9109. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9110. (phy->speed_cap_mask &
  9111. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9112. (phy->req_line_speed == SPEED_1000)) {
  9113. an_1000_val |= (1<<8);
  9114. autoneg_val |= (1<<9 | 1<<12);
  9115. if (phy->req_duplex == DUPLEX_FULL)
  9116. an_1000_val |= (1<<9);
  9117. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9118. } else
  9119. an_1000_val &= ~((1<<8) | (1<<9));
  9120. bnx2x_cl22_write(bp, phy,
  9121. 0x09,
  9122. an_1000_val);
  9123. bnx2x_cl22_read(bp, phy,
  9124. 0x09,
  9125. &an_1000_val);
  9126. /* set 100 speed advertisement */
  9127. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9128. (phy->speed_cap_mask &
  9129. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9130. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9131. an_10_100_val |= (1<<7);
  9132. /* Enable autoneg and restart autoneg for legacy speeds */
  9133. autoneg_val |= (1<<9 | 1<<12);
  9134. if (phy->req_duplex == DUPLEX_FULL)
  9135. an_10_100_val |= (1<<8);
  9136. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9137. }
  9138. /* set 10 speed advertisement */
  9139. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9140. (phy->speed_cap_mask &
  9141. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9142. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9143. an_10_100_val |= (1<<5);
  9144. autoneg_val |= (1<<9 | 1<<12);
  9145. if (phy->req_duplex == DUPLEX_FULL)
  9146. an_10_100_val |= (1<<6);
  9147. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9148. }
  9149. /* Only 10/100 are allowed to work in FORCE mode */
  9150. if (phy->req_line_speed == SPEED_100) {
  9151. autoneg_val |= (1<<13);
  9152. /* Enabled AUTO-MDIX when autoneg is disabled */
  9153. bnx2x_cl22_write(bp, phy,
  9154. 0x18,
  9155. (1<<15 | 1<<9 | 7<<0));
  9156. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9157. }
  9158. if (phy->req_line_speed == SPEED_10) {
  9159. /* Enabled AUTO-MDIX when autoneg is disabled */
  9160. bnx2x_cl22_write(bp, phy,
  9161. 0x18,
  9162. (1<<15 | 1<<9 | 7<<0));
  9163. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9164. }
  9165. /* Check if we should turn on Auto-GrEEEn */
  9166. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9167. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9168. if (params->feature_config_flags &
  9169. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9170. temp = 6;
  9171. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9172. } else {
  9173. temp = 0;
  9174. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9175. }
  9176. bnx2x_cl22_write(bp, phy,
  9177. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9178. bnx2x_cl22_write(bp, phy,
  9179. MDIO_REG_GPHY_CL45_DATA_REG,
  9180. MDIO_REG_GPHY_EEE_ADV);
  9181. bnx2x_cl22_write(bp, phy,
  9182. MDIO_REG_GPHY_CL45_ADDR_REG,
  9183. (0x1 << 14) | MDIO_AN_DEVAD);
  9184. bnx2x_cl22_write(bp, phy,
  9185. MDIO_REG_GPHY_CL45_DATA_REG,
  9186. temp);
  9187. }
  9188. bnx2x_cl22_write(bp, phy,
  9189. 0x04,
  9190. an_10_100_val | fc_val);
  9191. if (phy->req_duplex == DUPLEX_FULL)
  9192. autoneg_val |= (1<<8);
  9193. bnx2x_cl22_write(bp, phy,
  9194. MDIO_PMA_REG_CTRL, autoneg_val);
  9195. return 0;
  9196. }
  9197. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9198. struct link_params *params, u8 mode)
  9199. {
  9200. struct bnx2x *bp = params->bp;
  9201. u16 temp;
  9202. bnx2x_cl22_write(bp, phy,
  9203. MDIO_REG_GPHY_SHADOW,
  9204. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9205. bnx2x_cl22_read(bp, phy,
  9206. MDIO_REG_GPHY_SHADOW,
  9207. &temp);
  9208. temp &= 0xff00;
  9209. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9210. switch (mode) {
  9211. case LED_MODE_FRONT_PANEL_OFF:
  9212. case LED_MODE_OFF:
  9213. temp |= 0x00ee;
  9214. break;
  9215. case LED_MODE_OPER:
  9216. temp |= 0x0001;
  9217. break;
  9218. case LED_MODE_ON:
  9219. temp |= 0x00ff;
  9220. break;
  9221. default:
  9222. break;
  9223. }
  9224. bnx2x_cl22_write(bp, phy,
  9225. MDIO_REG_GPHY_SHADOW,
  9226. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9227. return;
  9228. }
  9229. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9230. struct link_params *params)
  9231. {
  9232. struct bnx2x *bp = params->bp;
  9233. u32 cfg_pin;
  9234. u8 port;
  9235. /*
  9236. * In case of no EPIO routed to reset the GPHY, put it
  9237. * in low power mode.
  9238. */
  9239. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9240. /*
  9241. * This works with E3 only, no need to check the chip
  9242. * before determining the port.
  9243. */
  9244. port = params->port;
  9245. cfg_pin = (REG_RD(bp, params->shmem_base +
  9246. offsetof(struct shmem_region,
  9247. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9248. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9249. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9250. /* Drive pin low to put GPHY in reset. */
  9251. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9252. }
  9253. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9254. struct link_params *params,
  9255. struct link_vars *vars)
  9256. {
  9257. struct bnx2x *bp = params->bp;
  9258. u16 val;
  9259. u8 link_up = 0;
  9260. u16 legacy_status, legacy_speed;
  9261. /* Get speed operation status */
  9262. bnx2x_cl22_read(bp, phy,
  9263. 0x19,
  9264. &legacy_status);
  9265. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9266. /* Read status to clear the PHY interrupt. */
  9267. bnx2x_cl22_read(bp, phy,
  9268. MDIO_REG_INTR_STATUS,
  9269. &val);
  9270. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9271. if (link_up) {
  9272. legacy_speed = (legacy_status & (7<<8));
  9273. if (legacy_speed == (7<<8)) {
  9274. vars->line_speed = SPEED_1000;
  9275. vars->duplex = DUPLEX_FULL;
  9276. } else if (legacy_speed == (6<<8)) {
  9277. vars->line_speed = SPEED_1000;
  9278. vars->duplex = DUPLEX_HALF;
  9279. } else if (legacy_speed == (5<<8)) {
  9280. vars->line_speed = SPEED_100;
  9281. vars->duplex = DUPLEX_FULL;
  9282. }
  9283. /* Omitting 100Base-T4 for now */
  9284. else if (legacy_speed == (3<<8)) {
  9285. vars->line_speed = SPEED_100;
  9286. vars->duplex = DUPLEX_HALF;
  9287. } else if (legacy_speed == (2<<8)) {
  9288. vars->line_speed = SPEED_10;
  9289. vars->duplex = DUPLEX_FULL;
  9290. } else if (legacy_speed == (1<<8)) {
  9291. vars->line_speed = SPEED_10;
  9292. vars->duplex = DUPLEX_HALF;
  9293. } else /* Should not happen */
  9294. vars->line_speed = 0;
  9295. DP(NETIF_MSG_LINK,
  9296. "Link is up in %dMbps, is_duplex_full= %d\n",
  9297. vars->line_speed,
  9298. (vars->duplex == DUPLEX_FULL));
  9299. /* Check legacy speed AN resolution */
  9300. bnx2x_cl22_read(bp, phy,
  9301. 0x01,
  9302. &val);
  9303. if (val & (1<<5))
  9304. vars->link_status |=
  9305. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9306. bnx2x_cl22_read(bp, phy,
  9307. 0x06,
  9308. &val);
  9309. if ((val & (1<<0)) == 0)
  9310. vars->link_status |=
  9311. LINK_STATUS_PARALLEL_DETECTION_USED;
  9312. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9313. vars->line_speed);
  9314. /* Report whether EEE is resolved. */
  9315. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9316. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9317. if (vars->link_status &
  9318. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9319. val = 0;
  9320. else {
  9321. bnx2x_cl22_write(bp, phy,
  9322. MDIO_REG_GPHY_CL45_ADDR_REG,
  9323. MDIO_AN_DEVAD);
  9324. bnx2x_cl22_write(bp, phy,
  9325. MDIO_REG_GPHY_CL45_DATA_REG,
  9326. MDIO_REG_GPHY_EEE_RESOLVED);
  9327. bnx2x_cl22_write(bp, phy,
  9328. MDIO_REG_GPHY_CL45_ADDR_REG,
  9329. (0x1 << 14) | MDIO_AN_DEVAD);
  9330. bnx2x_cl22_read(bp, phy,
  9331. MDIO_REG_GPHY_CL45_DATA_REG,
  9332. &val);
  9333. }
  9334. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9335. }
  9336. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9337. }
  9338. return link_up;
  9339. }
  9340. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9341. struct link_params *params)
  9342. {
  9343. struct bnx2x *bp = params->bp;
  9344. u16 val;
  9345. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9346. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9347. /* Enable master/slave manual mmode and set to master */
  9348. /* mii write 9 [bits set 11 12] */
  9349. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9350. /* forced 1G and disable autoneg */
  9351. /* set val [mii read 0] */
  9352. /* set val [expr $val & [bits clear 6 12 13]] */
  9353. /* set val [expr $val | [bits set 6 8]] */
  9354. /* mii write 0 $val */
  9355. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9356. val &= ~((1<<6) | (1<<12) | (1<<13));
  9357. val |= (1<<6) | (1<<8);
  9358. bnx2x_cl22_write(bp, phy, 0x00, val);
  9359. /* Set external loopback and Tx using 6dB coding */
  9360. /* mii write 0x18 7 */
  9361. /* set val [mii read 0x18] */
  9362. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9363. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9364. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9365. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9366. /* This register opens the gate for the UMAC despite its name */
  9367. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9368. /*
  9369. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9370. * length used by the MAC receive logic to check frames.
  9371. */
  9372. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9373. }
  9374. /******************************************************************/
  9375. /* SFX7101 PHY SECTION */
  9376. /******************************************************************/
  9377. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9378. struct link_params *params)
  9379. {
  9380. struct bnx2x *bp = params->bp;
  9381. /* SFX7101_XGXS_TEST1 */
  9382. bnx2x_cl45_write(bp, phy,
  9383. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9384. }
  9385. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9386. struct link_params *params,
  9387. struct link_vars *vars)
  9388. {
  9389. u16 fw_ver1, fw_ver2, val;
  9390. struct bnx2x *bp = params->bp;
  9391. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9392. /* Restore normal power mode*/
  9393. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9394. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9395. /* HW reset */
  9396. bnx2x_ext_phy_hw_reset(bp, params->port);
  9397. bnx2x_wait_reset_complete(bp, phy, params);
  9398. bnx2x_cl45_write(bp, phy,
  9399. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9400. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9401. bnx2x_cl45_write(bp, phy,
  9402. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9403. bnx2x_ext_phy_set_pause(params, phy, vars);
  9404. /* Restart autoneg */
  9405. bnx2x_cl45_read(bp, phy,
  9406. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9407. val |= 0x200;
  9408. bnx2x_cl45_write(bp, phy,
  9409. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9410. /* Save spirom version */
  9411. bnx2x_cl45_read(bp, phy,
  9412. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9413. bnx2x_cl45_read(bp, phy,
  9414. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9415. bnx2x_save_spirom_version(bp, params->port,
  9416. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9417. return 0;
  9418. }
  9419. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9420. struct link_params *params,
  9421. struct link_vars *vars)
  9422. {
  9423. struct bnx2x *bp = params->bp;
  9424. u8 link_up;
  9425. u16 val1, val2;
  9426. bnx2x_cl45_read(bp, phy,
  9427. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9428. bnx2x_cl45_read(bp, phy,
  9429. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9430. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9431. val2, val1);
  9432. bnx2x_cl45_read(bp, phy,
  9433. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9434. bnx2x_cl45_read(bp, phy,
  9435. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9436. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9437. val2, val1);
  9438. link_up = ((val1 & 4) == 4);
  9439. /* if link is up print the AN outcome of the SFX7101 PHY */
  9440. if (link_up) {
  9441. bnx2x_cl45_read(bp, phy,
  9442. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9443. &val2);
  9444. vars->line_speed = SPEED_10000;
  9445. vars->duplex = DUPLEX_FULL;
  9446. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9447. val2, (val2 & (1<<14)));
  9448. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9449. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9450. }
  9451. return link_up;
  9452. }
  9453. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9454. {
  9455. if (*len < 5)
  9456. return -EINVAL;
  9457. str[0] = (spirom_ver & 0xFF);
  9458. str[1] = (spirom_ver & 0xFF00) >> 8;
  9459. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9460. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9461. str[4] = '\0';
  9462. *len -= 5;
  9463. return 0;
  9464. }
  9465. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9466. {
  9467. u16 val, cnt;
  9468. bnx2x_cl45_read(bp, phy,
  9469. MDIO_PMA_DEVAD,
  9470. MDIO_PMA_REG_7101_RESET, &val);
  9471. for (cnt = 0; cnt < 10; cnt++) {
  9472. msleep(50);
  9473. /* Writes a self-clearing reset */
  9474. bnx2x_cl45_write(bp, phy,
  9475. MDIO_PMA_DEVAD,
  9476. MDIO_PMA_REG_7101_RESET,
  9477. (val | (1<<15)));
  9478. /* Wait for clear */
  9479. bnx2x_cl45_read(bp, phy,
  9480. MDIO_PMA_DEVAD,
  9481. MDIO_PMA_REG_7101_RESET, &val);
  9482. if ((val & (1<<15)) == 0)
  9483. break;
  9484. }
  9485. }
  9486. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9487. struct link_params *params) {
  9488. /* Low power mode is controlled by GPIO 2 */
  9489. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9490. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9491. /* The PHY reset is controlled by GPIO 1 */
  9492. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9493. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9494. }
  9495. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9496. struct link_params *params, u8 mode)
  9497. {
  9498. u16 val = 0;
  9499. struct bnx2x *bp = params->bp;
  9500. switch (mode) {
  9501. case LED_MODE_FRONT_PANEL_OFF:
  9502. case LED_MODE_OFF:
  9503. val = 2;
  9504. break;
  9505. case LED_MODE_ON:
  9506. val = 1;
  9507. break;
  9508. case LED_MODE_OPER:
  9509. val = 0;
  9510. break;
  9511. }
  9512. bnx2x_cl45_write(bp, phy,
  9513. MDIO_PMA_DEVAD,
  9514. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9515. val);
  9516. }
  9517. /******************************************************************/
  9518. /* STATIC PHY DECLARATION */
  9519. /******************************************************************/
  9520. static struct bnx2x_phy phy_null = {
  9521. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9522. .addr = 0,
  9523. .def_md_devad = 0,
  9524. .flags = FLAGS_INIT_XGXS_FIRST,
  9525. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9526. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9527. .mdio_ctrl = 0,
  9528. .supported = 0,
  9529. .media_type = ETH_PHY_NOT_PRESENT,
  9530. .ver_addr = 0,
  9531. .req_flow_ctrl = 0,
  9532. .req_line_speed = 0,
  9533. .speed_cap_mask = 0,
  9534. .req_duplex = 0,
  9535. .rsrv = 0,
  9536. .config_init = (config_init_t)NULL,
  9537. .read_status = (read_status_t)NULL,
  9538. .link_reset = (link_reset_t)NULL,
  9539. .config_loopback = (config_loopback_t)NULL,
  9540. .format_fw_ver = (format_fw_ver_t)NULL,
  9541. .hw_reset = (hw_reset_t)NULL,
  9542. .set_link_led = (set_link_led_t)NULL,
  9543. .phy_specific_func = (phy_specific_func_t)NULL
  9544. };
  9545. static struct bnx2x_phy phy_serdes = {
  9546. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9547. .addr = 0xff,
  9548. .def_md_devad = 0,
  9549. .flags = 0,
  9550. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9551. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9552. .mdio_ctrl = 0,
  9553. .supported = (SUPPORTED_10baseT_Half |
  9554. SUPPORTED_10baseT_Full |
  9555. SUPPORTED_100baseT_Half |
  9556. SUPPORTED_100baseT_Full |
  9557. SUPPORTED_1000baseT_Full |
  9558. SUPPORTED_2500baseX_Full |
  9559. SUPPORTED_TP |
  9560. SUPPORTED_Autoneg |
  9561. SUPPORTED_Pause |
  9562. SUPPORTED_Asym_Pause),
  9563. .media_type = ETH_PHY_BASE_T,
  9564. .ver_addr = 0,
  9565. .req_flow_ctrl = 0,
  9566. .req_line_speed = 0,
  9567. .speed_cap_mask = 0,
  9568. .req_duplex = 0,
  9569. .rsrv = 0,
  9570. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9571. .read_status = (read_status_t)bnx2x_link_settings_status,
  9572. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9573. .config_loopback = (config_loopback_t)NULL,
  9574. .format_fw_ver = (format_fw_ver_t)NULL,
  9575. .hw_reset = (hw_reset_t)NULL,
  9576. .set_link_led = (set_link_led_t)NULL,
  9577. .phy_specific_func = (phy_specific_func_t)NULL
  9578. };
  9579. static struct bnx2x_phy phy_xgxs = {
  9580. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9581. .addr = 0xff,
  9582. .def_md_devad = 0,
  9583. .flags = 0,
  9584. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9585. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9586. .mdio_ctrl = 0,
  9587. .supported = (SUPPORTED_10baseT_Half |
  9588. SUPPORTED_10baseT_Full |
  9589. SUPPORTED_100baseT_Half |
  9590. SUPPORTED_100baseT_Full |
  9591. SUPPORTED_1000baseT_Full |
  9592. SUPPORTED_2500baseX_Full |
  9593. SUPPORTED_10000baseT_Full |
  9594. SUPPORTED_FIBRE |
  9595. SUPPORTED_Autoneg |
  9596. SUPPORTED_Pause |
  9597. SUPPORTED_Asym_Pause),
  9598. .media_type = ETH_PHY_CX4,
  9599. .ver_addr = 0,
  9600. .req_flow_ctrl = 0,
  9601. .req_line_speed = 0,
  9602. .speed_cap_mask = 0,
  9603. .req_duplex = 0,
  9604. .rsrv = 0,
  9605. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9606. .read_status = (read_status_t)bnx2x_link_settings_status,
  9607. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9608. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9609. .format_fw_ver = (format_fw_ver_t)NULL,
  9610. .hw_reset = (hw_reset_t)NULL,
  9611. .set_link_led = (set_link_led_t)NULL,
  9612. .phy_specific_func = (phy_specific_func_t)NULL
  9613. };
  9614. static struct bnx2x_phy phy_warpcore = {
  9615. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9616. .addr = 0xff,
  9617. .def_md_devad = 0,
  9618. .flags = FLAGS_HW_LOCK_REQUIRED,
  9619. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9620. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9621. .mdio_ctrl = 0,
  9622. .supported = (SUPPORTED_10baseT_Half |
  9623. SUPPORTED_10baseT_Full |
  9624. SUPPORTED_100baseT_Half |
  9625. SUPPORTED_100baseT_Full |
  9626. SUPPORTED_1000baseT_Full |
  9627. SUPPORTED_10000baseT_Full |
  9628. SUPPORTED_20000baseKR2_Full |
  9629. SUPPORTED_20000baseMLD2_Full |
  9630. SUPPORTED_FIBRE |
  9631. SUPPORTED_Autoneg |
  9632. SUPPORTED_Pause |
  9633. SUPPORTED_Asym_Pause),
  9634. .media_type = ETH_PHY_UNSPECIFIED,
  9635. .ver_addr = 0,
  9636. .req_flow_ctrl = 0,
  9637. .req_line_speed = 0,
  9638. .speed_cap_mask = 0,
  9639. /* req_duplex = */0,
  9640. /* rsrv = */0,
  9641. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9642. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9643. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9644. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9645. .format_fw_ver = (format_fw_ver_t)NULL,
  9646. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9647. .set_link_led = (set_link_led_t)NULL,
  9648. .phy_specific_func = (phy_specific_func_t)NULL
  9649. };
  9650. static struct bnx2x_phy phy_7101 = {
  9651. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9652. .addr = 0xff,
  9653. .def_md_devad = 0,
  9654. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9655. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9656. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9657. .mdio_ctrl = 0,
  9658. .supported = (SUPPORTED_10000baseT_Full |
  9659. SUPPORTED_TP |
  9660. SUPPORTED_Autoneg |
  9661. SUPPORTED_Pause |
  9662. SUPPORTED_Asym_Pause),
  9663. .media_type = ETH_PHY_BASE_T,
  9664. .ver_addr = 0,
  9665. .req_flow_ctrl = 0,
  9666. .req_line_speed = 0,
  9667. .speed_cap_mask = 0,
  9668. .req_duplex = 0,
  9669. .rsrv = 0,
  9670. .config_init = (config_init_t)bnx2x_7101_config_init,
  9671. .read_status = (read_status_t)bnx2x_7101_read_status,
  9672. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9673. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9674. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9675. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9676. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9677. .phy_specific_func = (phy_specific_func_t)NULL
  9678. };
  9679. static struct bnx2x_phy phy_8073 = {
  9680. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9681. .addr = 0xff,
  9682. .def_md_devad = 0,
  9683. .flags = FLAGS_HW_LOCK_REQUIRED,
  9684. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9685. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9686. .mdio_ctrl = 0,
  9687. .supported = (SUPPORTED_10000baseT_Full |
  9688. SUPPORTED_2500baseX_Full |
  9689. SUPPORTED_1000baseT_Full |
  9690. SUPPORTED_FIBRE |
  9691. SUPPORTED_Autoneg |
  9692. SUPPORTED_Pause |
  9693. SUPPORTED_Asym_Pause),
  9694. .media_type = ETH_PHY_KR,
  9695. .ver_addr = 0,
  9696. .req_flow_ctrl = 0,
  9697. .req_line_speed = 0,
  9698. .speed_cap_mask = 0,
  9699. .req_duplex = 0,
  9700. .rsrv = 0,
  9701. .config_init = (config_init_t)bnx2x_8073_config_init,
  9702. .read_status = (read_status_t)bnx2x_8073_read_status,
  9703. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9704. .config_loopback = (config_loopback_t)NULL,
  9705. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9706. .hw_reset = (hw_reset_t)NULL,
  9707. .set_link_led = (set_link_led_t)NULL,
  9708. .phy_specific_func = (phy_specific_func_t)NULL
  9709. };
  9710. static struct bnx2x_phy phy_8705 = {
  9711. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9712. .addr = 0xff,
  9713. .def_md_devad = 0,
  9714. .flags = FLAGS_INIT_XGXS_FIRST,
  9715. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9716. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9717. .mdio_ctrl = 0,
  9718. .supported = (SUPPORTED_10000baseT_Full |
  9719. SUPPORTED_FIBRE |
  9720. SUPPORTED_Pause |
  9721. SUPPORTED_Asym_Pause),
  9722. .media_type = ETH_PHY_XFP_FIBER,
  9723. .ver_addr = 0,
  9724. .req_flow_ctrl = 0,
  9725. .req_line_speed = 0,
  9726. .speed_cap_mask = 0,
  9727. .req_duplex = 0,
  9728. .rsrv = 0,
  9729. .config_init = (config_init_t)bnx2x_8705_config_init,
  9730. .read_status = (read_status_t)bnx2x_8705_read_status,
  9731. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9732. .config_loopback = (config_loopback_t)NULL,
  9733. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9734. .hw_reset = (hw_reset_t)NULL,
  9735. .set_link_led = (set_link_led_t)NULL,
  9736. .phy_specific_func = (phy_specific_func_t)NULL
  9737. };
  9738. static struct bnx2x_phy phy_8706 = {
  9739. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9740. .addr = 0xff,
  9741. .def_md_devad = 0,
  9742. .flags = FLAGS_INIT_XGXS_FIRST,
  9743. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9744. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9745. .mdio_ctrl = 0,
  9746. .supported = (SUPPORTED_10000baseT_Full |
  9747. SUPPORTED_1000baseT_Full |
  9748. SUPPORTED_FIBRE |
  9749. SUPPORTED_Pause |
  9750. SUPPORTED_Asym_Pause),
  9751. .media_type = ETH_PHY_SFP_FIBER,
  9752. .ver_addr = 0,
  9753. .req_flow_ctrl = 0,
  9754. .req_line_speed = 0,
  9755. .speed_cap_mask = 0,
  9756. .req_duplex = 0,
  9757. .rsrv = 0,
  9758. .config_init = (config_init_t)bnx2x_8706_config_init,
  9759. .read_status = (read_status_t)bnx2x_8706_read_status,
  9760. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9761. .config_loopback = (config_loopback_t)NULL,
  9762. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9763. .hw_reset = (hw_reset_t)NULL,
  9764. .set_link_led = (set_link_led_t)NULL,
  9765. .phy_specific_func = (phy_specific_func_t)NULL
  9766. };
  9767. static struct bnx2x_phy phy_8726 = {
  9768. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9769. .addr = 0xff,
  9770. .def_md_devad = 0,
  9771. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9772. FLAGS_INIT_XGXS_FIRST),
  9773. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9774. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9775. .mdio_ctrl = 0,
  9776. .supported = (SUPPORTED_10000baseT_Full |
  9777. SUPPORTED_1000baseT_Full |
  9778. SUPPORTED_Autoneg |
  9779. SUPPORTED_FIBRE |
  9780. SUPPORTED_Pause |
  9781. SUPPORTED_Asym_Pause),
  9782. .media_type = ETH_PHY_NOT_PRESENT,
  9783. .ver_addr = 0,
  9784. .req_flow_ctrl = 0,
  9785. .req_line_speed = 0,
  9786. .speed_cap_mask = 0,
  9787. .req_duplex = 0,
  9788. .rsrv = 0,
  9789. .config_init = (config_init_t)bnx2x_8726_config_init,
  9790. .read_status = (read_status_t)bnx2x_8726_read_status,
  9791. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9792. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9793. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9794. .hw_reset = (hw_reset_t)NULL,
  9795. .set_link_led = (set_link_led_t)NULL,
  9796. .phy_specific_func = (phy_specific_func_t)NULL
  9797. };
  9798. static struct bnx2x_phy phy_8727 = {
  9799. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9800. .addr = 0xff,
  9801. .def_md_devad = 0,
  9802. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9803. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9804. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9805. .mdio_ctrl = 0,
  9806. .supported = (SUPPORTED_10000baseT_Full |
  9807. SUPPORTED_1000baseT_Full |
  9808. SUPPORTED_FIBRE |
  9809. SUPPORTED_Pause |
  9810. SUPPORTED_Asym_Pause),
  9811. .media_type = ETH_PHY_NOT_PRESENT,
  9812. .ver_addr = 0,
  9813. .req_flow_ctrl = 0,
  9814. .req_line_speed = 0,
  9815. .speed_cap_mask = 0,
  9816. .req_duplex = 0,
  9817. .rsrv = 0,
  9818. .config_init = (config_init_t)bnx2x_8727_config_init,
  9819. .read_status = (read_status_t)bnx2x_8727_read_status,
  9820. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9821. .config_loopback = (config_loopback_t)NULL,
  9822. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9823. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9824. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9825. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9826. };
  9827. static struct bnx2x_phy phy_8481 = {
  9828. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9829. .addr = 0xff,
  9830. .def_md_devad = 0,
  9831. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9832. FLAGS_REARM_LATCH_SIGNAL,
  9833. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9834. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9835. .mdio_ctrl = 0,
  9836. .supported = (SUPPORTED_10baseT_Half |
  9837. SUPPORTED_10baseT_Full |
  9838. SUPPORTED_100baseT_Half |
  9839. SUPPORTED_100baseT_Full |
  9840. SUPPORTED_1000baseT_Full |
  9841. SUPPORTED_10000baseT_Full |
  9842. SUPPORTED_TP |
  9843. SUPPORTED_Autoneg |
  9844. SUPPORTED_Pause |
  9845. SUPPORTED_Asym_Pause),
  9846. .media_type = ETH_PHY_BASE_T,
  9847. .ver_addr = 0,
  9848. .req_flow_ctrl = 0,
  9849. .req_line_speed = 0,
  9850. .speed_cap_mask = 0,
  9851. .req_duplex = 0,
  9852. .rsrv = 0,
  9853. .config_init = (config_init_t)bnx2x_8481_config_init,
  9854. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9855. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9856. .config_loopback = (config_loopback_t)NULL,
  9857. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9858. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9859. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9860. .phy_specific_func = (phy_specific_func_t)NULL
  9861. };
  9862. static struct bnx2x_phy phy_84823 = {
  9863. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9864. .addr = 0xff,
  9865. .def_md_devad = 0,
  9866. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9867. FLAGS_REARM_LATCH_SIGNAL,
  9868. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9869. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9870. .mdio_ctrl = 0,
  9871. .supported = (SUPPORTED_10baseT_Half |
  9872. SUPPORTED_10baseT_Full |
  9873. SUPPORTED_100baseT_Half |
  9874. SUPPORTED_100baseT_Full |
  9875. SUPPORTED_1000baseT_Full |
  9876. SUPPORTED_10000baseT_Full |
  9877. SUPPORTED_TP |
  9878. SUPPORTED_Autoneg |
  9879. SUPPORTED_Pause |
  9880. SUPPORTED_Asym_Pause),
  9881. .media_type = ETH_PHY_BASE_T,
  9882. .ver_addr = 0,
  9883. .req_flow_ctrl = 0,
  9884. .req_line_speed = 0,
  9885. .speed_cap_mask = 0,
  9886. .req_duplex = 0,
  9887. .rsrv = 0,
  9888. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9889. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9890. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9891. .config_loopback = (config_loopback_t)NULL,
  9892. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9893. .hw_reset = (hw_reset_t)NULL,
  9894. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9895. .phy_specific_func = (phy_specific_func_t)NULL
  9896. };
  9897. static struct bnx2x_phy phy_84833 = {
  9898. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9899. .addr = 0xff,
  9900. .def_md_devad = 0,
  9901. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9902. FLAGS_REARM_LATCH_SIGNAL,
  9903. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9904. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9905. .mdio_ctrl = 0,
  9906. .supported = (SUPPORTED_100baseT_Half |
  9907. SUPPORTED_100baseT_Full |
  9908. SUPPORTED_1000baseT_Full |
  9909. SUPPORTED_10000baseT_Full |
  9910. SUPPORTED_TP |
  9911. SUPPORTED_Autoneg |
  9912. SUPPORTED_Pause |
  9913. SUPPORTED_Asym_Pause),
  9914. .media_type = ETH_PHY_BASE_T,
  9915. .ver_addr = 0,
  9916. .req_flow_ctrl = 0,
  9917. .req_line_speed = 0,
  9918. .speed_cap_mask = 0,
  9919. .req_duplex = 0,
  9920. .rsrv = 0,
  9921. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9922. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9923. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9924. .config_loopback = (config_loopback_t)NULL,
  9925. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9926. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9927. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9928. .phy_specific_func = (phy_specific_func_t)NULL
  9929. };
  9930. static struct bnx2x_phy phy_54618se = {
  9931. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9932. .addr = 0xff,
  9933. .def_md_devad = 0,
  9934. .flags = FLAGS_INIT_XGXS_FIRST,
  9935. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9937. .mdio_ctrl = 0,
  9938. .supported = (SUPPORTED_10baseT_Half |
  9939. SUPPORTED_10baseT_Full |
  9940. SUPPORTED_100baseT_Half |
  9941. SUPPORTED_100baseT_Full |
  9942. SUPPORTED_1000baseT_Full |
  9943. SUPPORTED_TP |
  9944. SUPPORTED_Autoneg |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause),
  9947. .media_type = ETH_PHY_BASE_T,
  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_54618se_config_init,
  9955. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9956. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9957. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9958. .format_fw_ver = (format_fw_ver_t)NULL,
  9959. .hw_reset = (hw_reset_t)NULL,
  9960. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  9961. .phy_specific_func = (phy_specific_func_t)NULL
  9962. };
  9963. /*****************************************************************/
  9964. /* */
  9965. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9966. /* */
  9967. /*****************************************************************/
  9968. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9969. struct bnx2x_phy *phy, u8 port,
  9970. u8 phy_index)
  9971. {
  9972. /* Get the 4 lanes xgxs config rx and tx */
  9973. u32 rx = 0, tx = 0, i;
  9974. for (i = 0; i < 2; i++) {
  9975. /*
  9976. * INT_PHY and EXT_PHY1 share the same value location in the
  9977. * shmem. When num_phys is greater than 1, than this value
  9978. * applies only to EXT_PHY1
  9979. */
  9980. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9981. rx = REG_RD(bp, shmem_base +
  9982. offsetof(struct shmem_region,
  9983. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9984. tx = REG_RD(bp, shmem_base +
  9985. offsetof(struct shmem_region,
  9986. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9987. } else {
  9988. rx = REG_RD(bp, shmem_base +
  9989. offsetof(struct shmem_region,
  9990. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9991. tx = REG_RD(bp, shmem_base +
  9992. offsetof(struct shmem_region,
  9993. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9994. }
  9995. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9996. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9997. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9998. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9999. }
  10000. }
  10001. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10002. u8 phy_index, u8 port)
  10003. {
  10004. u32 ext_phy_config = 0;
  10005. switch (phy_index) {
  10006. case EXT_PHY1:
  10007. ext_phy_config = REG_RD(bp, shmem_base +
  10008. offsetof(struct shmem_region,
  10009. dev_info.port_hw_config[port].external_phy_config));
  10010. break;
  10011. case EXT_PHY2:
  10012. ext_phy_config = REG_RD(bp, shmem_base +
  10013. offsetof(struct shmem_region,
  10014. dev_info.port_hw_config[port].external_phy_config2));
  10015. break;
  10016. default:
  10017. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10018. return -EINVAL;
  10019. }
  10020. return ext_phy_config;
  10021. }
  10022. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10023. struct bnx2x_phy *phy)
  10024. {
  10025. u32 phy_addr;
  10026. u32 chip_id;
  10027. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10028. offsetof(struct shmem_region,
  10029. dev_info.port_feature_config[port].link_config)) &
  10030. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10031. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10032. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10033. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10034. if (USES_WARPCORE(bp)) {
  10035. u32 serdes_net_if;
  10036. phy_addr = REG_RD(bp,
  10037. MISC_REG_WC0_CTRL_PHY_ADDR);
  10038. *phy = phy_warpcore;
  10039. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10040. phy->flags |= FLAGS_4_PORT_MODE;
  10041. else
  10042. phy->flags &= ~FLAGS_4_PORT_MODE;
  10043. /* Check Dual mode */
  10044. serdes_net_if = (REG_RD(bp, shmem_base +
  10045. offsetof(struct shmem_region, dev_info.
  10046. port_hw_config[port].default_cfg)) &
  10047. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10048. /*
  10049. * Set the appropriate supported and flags indications per
  10050. * interface type of the chip
  10051. */
  10052. switch (serdes_net_if) {
  10053. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10054. phy->supported &= (SUPPORTED_10baseT_Half |
  10055. SUPPORTED_10baseT_Full |
  10056. SUPPORTED_100baseT_Half |
  10057. SUPPORTED_100baseT_Full |
  10058. SUPPORTED_1000baseT_Full |
  10059. SUPPORTED_FIBRE |
  10060. SUPPORTED_Autoneg |
  10061. SUPPORTED_Pause |
  10062. SUPPORTED_Asym_Pause);
  10063. phy->media_type = ETH_PHY_BASE_T;
  10064. break;
  10065. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10066. phy->media_type = ETH_PHY_XFP_FIBER;
  10067. break;
  10068. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10069. phy->supported &= (SUPPORTED_1000baseT_Full |
  10070. SUPPORTED_10000baseT_Full |
  10071. SUPPORTED_FIBRE |
  10072. SUPPORTED_Pause |
  10073. SUPPORTED_Asym_Pause);
  10074. phy->media_type = ETH_PHY_SFP_FIBER;
  10075. break;
  10076. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10077. phy->media_type = ETH_PHY_KR;
  10078. phy->supported &= (SUPPORTED_1000baseT_Full |
  10079. SUPPORTED_10000baseT_Full |
  10080. SUPPORTED_FIBRE |
  10081. SUPPORTED_Autoneg |
  10082. SUPPORTED_Pause |
  10083. SUPPORTED_Asym_Pause);
  10084. break;
  10085. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10086. phy->media_type = ETH_PHY_KR;
  10087. phy->flags |= FLAGS_WC_DUAL_MODE;
  10088. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10089. SUPPORTED_FIBRE |
  10090. SUPPORTED_Pause |
  10091. SUPPORTED_Asym_Pause);
  10092. break;
  10093. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10094. phy->media_type = ETH_PHY_KR;
  10095. phy->flags |= FLAGS_WC_DUAL_MODE;
  10096. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10097. SUPPORTED_FIBRE |
  10098. SUPPORTED_Pause |
  10099. SUPPORTED_Asym_Pause);
  10100. break;
  10101. default:
  10102. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10103. serdes_net_if);
  10104. break;
  10105. }
  10106. /*
  10107. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10108. * was not set as expected. For B0, ECO will be enabled so there
  10109. * won't be an issue there
  10110. */
  10111. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10112. phy->flags |= FLAGS_MDC_MDIO_WA;
  10113. else
  10114. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10115. } else {
  10116. switch (switch_cfg) {
  10117. case SWITCH_CFG_1G:
  10118. phy_addr = REG_RD(bp,
  10119. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10120. port * 0x10);
  10121. *phy = phy_serdes;
  10122. break;
  10123. case SWITCH_CFG_10G:
  10124. phy_addr = REG_RD(bp,
  10125. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10126. port * 0x18);
  10127. *phy = phy_xgxs;
  10128. break;
  10129. default:
  10130. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10131. return -EINVAL;
  10132. }
  10133. }
  10134. phy->addr = (u8)phy_addr;
  10135. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10136. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10137. port);
  10138. if (CHIP_IS_E2(bp))
  10139. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10140. else
  10141. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10142. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10143. port, phy->addr, phy->mdio_ctrl);
  10144. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10145. return 0;
  10146. }
  10147. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10148. u8 phy_index,
  10149. u32 shmem_base,
  10150. u32 shmem2_base,
  10151. u8 port,
  10152. struct bnx2x_phy *phy)
  10153. {
  10154. u32 ext_phy_config, phy_type, config2;
  10155. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10156. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10157. phy_index, port);
  10158. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10159. /* Select the phy type */
  10160. switch (phy_type) {
  10161. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10162. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10163. *phy = phy_8073;
  10164. break;
  10165. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10166. *phy = phy_8705;
  10167. break;
  10168. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10169. *phy = phy_8706;
  10170. break;
  10171. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10172. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10173. *phy = phy_8726;
  10174. break;
  10175. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10176. /* BCM8727_NOC => BCM8727 no over current */
  10177. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10178. *phy = phy_8727;
  10179. phy->flags |= FLAGS_NOC;
  10180. break;
  10181. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10182. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10183. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10184. *phy = phy_8727;
  10185. break;
  10186. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10187. *phy = phy_8481;
  10188. break;
  10189. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10190. *phy = phy_84823;
  10191. break;
  10192. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10193. *phy = phy_84833;
  10194. break;
  10195. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10196. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10197. *phy = phy_54618se;
  10198. break;
  10199. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10200. *phy = phy_7101;
  10201. break;
  10202. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10203. *phy = phy_null;
  10204. return -EINVAL;
  10205. default:
  10206. *phy = phy_null;
  10207. /* In case external PHY wasn't found */
  10208. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10209. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10210. return -EINVAL;
  10211. return 0;
  10212. }
  10213. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10214. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10215. /*
  10216. * The shmem address of the phy version is located on different
  10217. * structures. In case this structure is too old, do not set
  10218. * the address
  10219. */
  10220. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10221. dev_info.shared_hw_config.config2));
  10222. if (phy_index == EXT_PHY1) {
  10223. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10224. port_mb[port].ext_phy_fw_version);
  10225. /* Check specific mdc mdio settings */
  10226. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10227. mdc_mdio_access = config2 &
  10228. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10229. } else {
  10230. u32 size = REG_RD(bp, shmem2_base);
  10231. if (size >
  10232. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10233. phy->ver_addr = shmem2_base +
  10234. offsetof(struct shmem2_region,
  10235. ext_phy_fw_version2[port]);
  10236. }
  10237. /* Check specific mdc mdio settings */
  10238. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10239. mdc_mdio_access = (config2 &
  10240. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10241. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10242. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10243. }
  10244. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10245. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10246. (phy->ver_addr)) {
  10247. /*
  10248. * Remove 100Mb link supported for BCM84833 when phy fw
  10249. * version lower than or equal to 1.39
  10250. */
  10251. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10252. if (((raw_ver & 0x7F) <= 39) &&
  10253. (((raw_ver & 0xF80) >> 7) <= 1))
  10254. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10255. SUPPORTED_100baseT_Full);
  10256. }
  10257. /*
  10258. * In case mdc/mdio_access of the external phy is different than the
  10259. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10260. * to prevent one port interfere with another port's CL45 operations.
  10261. */
  10262. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10263. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10264. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10265. phy_type, port, phy_index);
  10266. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10267. phy->addr, phy->mdio_ctrl);
  10268. return 0;
  10269. }
  10270. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10271. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10272. {
  10273. int status = 0;
  10274. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10275. if (phy_index == INT_PHY)
  10276. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10277. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10278. port, phy);
  10279. return status;
  10280. }
  10281. static void bnx2x_phy_def_cfg(struct link_params *params,
  10282. struct bnx2x_phy *phy,
  10283. u8 phy_index)
  10284. {
  10285. struct bnx2x *bp = params->bp;
  10286. u32 link_config;
  10287. /* Populate the default phy configuration for MF mode */
  10288. if (phy_index == EXT_PHY2) {
  10289. link_config = REG_RD(bp, params->shmem_base +
  10290. offsetof(struct shmem_region, dev_info.
  10291. port_feature_config[params->port].link_config2));
  10292. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10293. offsetof(struct shmem_region,
  10294. dev_info.
  10295. port_hw_config[params->port].speed_capability_mask2));
  10296. } else {
  10297. link_config = REG_RD(bp, params->shmem_base +
  10298. offsetof(struct shmem_region, dev_info.
  10299. port_feature_config[params->port].link_config));
  10300. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10301. offsetof(struct shmem_region,
  10302. dev_info.
  10303. port_hw_config[params->port].speed_capability_mask));
  10304. }
  10305. DP(NETIF_MSG_LINK,
  10306. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10307. phy_index, link_config, phy->speed_cap_mask);
  10308. phy->req_duplex = DUPLEX_FULL;
  10309. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10310. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10311. phy->req_duplex = DUPLEX_HALF;
  10312. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10313. phy->req_line_speed = SPEED_10;
  10314. break;
  10315. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10316. phy->req_duplex = DUPLEX_HALF;
  10317. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10318. phy->req_line_speed = SPEED_100;
  10319. break;
  10320. case PORT_FEATURE_LINK_SPEED_1G:
  10321. phy->req_line_speed = SPEED_1000;
  10322. break;
  10323. case PORT_FEATURE_LINK_SPEED_2_5G:
  10324. phy->req_line_speed = SPEED_2500;
  10325. break;
  10326. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10327. phy->req_line_speed = SPEED_10000;
  10328. break;
  10329. default:
  10330. phy->req_line_speed = SPEED_AUTO_NEG;
  10331. break;
  10332. }
  10333. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10334. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10335. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10336. break;
  10337. case PORT_FEATURE_FLOW_CONTROL_TX:
  10338. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10339. break;
  10340. case PORT_FEATURE_FLOW_CONTROL_RX:
  10341. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10342. break;
  10343. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10344. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10345. break;
  10346. default:
  10347. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10348. break;
  10349. }
  10350. }
  10351. u32 bnx2x_phy_selection(struct link_params *params)
  10352. {
  10353. u32 phy_config_swapped, prio_cfg;
  10354. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10355. phy_config_swapped = params->multi_phy_config &
  10356. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10357. prio_cfg = params->multi_phy_config &
  10358. PORT_HW_CFG_PHY_SELECTION_MASK;
  10359. if (phy_config_swapped) {
  10360. switch (prio_cfg) {
  10361. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10362. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10363. break;
  10364. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10365. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10366. break;
  10367. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10368. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10369. break;
  10370. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10371. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10372. break;
  10373. }
  10374. } else
  10375. return_cfg = prio_cfg;
  10376. return return_cfg;
  10377. }
  10378. int bnx2x_phy_probe(struct link_params *params)
  10379. {
  10380. u8 phy_index, actual_phy_idx;
  10381. u32 phy_config_swapped, sync_offset, media_types;
  10382. struct bnx2x *bp = params->bp;
  10383. struct bnx2x_phy *phy;
  10384. params->num_phys = 0;
  10385. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10386. phy_config_swapped = params->multi_phy_config &
  10387. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10388. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10389. phy_index++) {
  10390. actual_phy_idx = phy_index;
  10391. if (phy_config_swapped) {
  10392. if (phy_index == EXT_PHY1)
  10393. actual_phy_idx = EXT_PHY2;
  10394. else if (phy_index == EXT_PHY2)
  10395. actual_phy_idx = EXT_PHY1;
  10396. }
  10397. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10398. " actual_phy_idx %x\n", phy_config_swapped,
  10399. phy_index, actual_phy_idx);
  10400. phy = &params->phy[actual_phy_idx];
  10401. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10402. params->shmem2_base, params->port,
  10403. phy) != 0) {
  10404. params->num_phys = 0;
  10405. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10406. phy_index);
  10407. for (phy_index = INT_PHY;
  10408. phy_index < MAX_PHYS;
  10409. phy_index++)
  10410. *phy = phy_null;
  10411. return -EINVAL;
  10412. }
  10413. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10414. break;
  10415. sync_offset = params->shmem_base +
  10416. offsetof(struct shmem_region,
  10417. dev_info.port_hw_config[params->port].media_type);
  10418. media_types = REG_RD(bp, sync_offset);
  10419. /*
  10420. * Update media type for non-PMF sync only for the first time
  10421. * In case the media type changes afterwards, it will be updated
  10422. * using the update_status function
  10423. */
  10424. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10425. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10426. actual_phy_idx))) == 0) {
  10427. media_types |= ((phy->media_type &
  10428. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10429. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10430. actual_phy_idx));
  10431. }
  10432. REG_WR(bp, sync_offset, media_types);
  10433. bnx2x_phy_def_cfg(params, phy, phy_index);
  10434. params->num_phys++;
  10435. }
  10436. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10437. return 0;
  10438. }
  10439. void bnx2x_init_bmac_loopback(struct link_params *params,
  10440. struct link_vars *vars)
  10441. {
  10442. struct bnx2x *bp = params->bp;
  10443. vars->link_up = 1;
  10444. vars->line_speed = SPEED_10000;
  10445. vars->duplex = DUPLEX_FULL;
  10446. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10447. vars->mac_type = MAC_TYPE_BMAC;
  10448. vars->phy_flags = PHY_XGXS_FLAG;
  10449. bnx2x_xgxs_deassert(params);
  10450. /* set bmac loopback */
  10451. bnx2x_bmac_enable(params, vars, 1);
  10452. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10453. }
  10454. void bnx2x_init_emac_loopback(struct link_params *params,
  10455. struct link_vars *vars)
  10456. {
  10457. struct bnx2x *bp = params->bp;
  10458. vars->link_up = 1;
  10459. vars->line_speed = SPEED_1000;
  10460. vars->duplex = DUPLEX_FULL;
  10461. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10462. vars->mac_type = MAC_TYPE_EMAC;
  10463. vars->phy_flags = PHY_XGXS_FLAG;
  10464. bnx2x_xgxs_deassert(params);
  10465. /* set bmac loopback */
  10466. bnx2x_emac_enable(params, vars, 1);
  10467. bnx2x_emac_program(params, vars);
  10468. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10469. }
  10470. void bnx2x_init_xmac_loopback(struct link_params *params,
  10471. struct link_vars *vars)
  10472. {
  10473. struct bnx2x *bp = params->bp;
  10474. vars->link_up = 1;
  10475. if (!params->req_line_speed[0])
  10476. vars->line_speed = SPEED_10000;
  10477. else
  10478. vars->line_speed = params->req_line_speed[0];
  10479. vars->duplex = DUPLEX_FULL;
  10480. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10481. vars->mac_type = MAC_TYPE_XMAC;
  10482. vars->phy_flags = PHY_XGXS_FLAG;
  10483. /*
  10484. * Set WC to loopback mode since link is required to provide clock
  10485. * to the XMAC in 20G mode
  10486. */
  10487. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10488. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10489. params->phy[INT_PHY].config_loopback(
  10490. &params->phy[INT_PHY],
  10491. params);
  10492. bnx2x_xmac_enable(params, vars, 1);
  10493. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10494. }
  10495. void bnx2x_init_umac_loopback(struct link_params *params,
  10496. struct link_vars *vars)
  10497. {
  10498. struct bnx2x *bp = params->bp;
  10499. vars->link_up = 1;
  10500. vars->line_speed = SPEED_1000;
  10501. vars->duplex = DUPLEX_FULL;
  10502. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10503. vars->mac_type = MAC_TYPE_UMAC;
  10504. vars->phy_flags = PHY_XGXS_FLAG;
  10505. bnx2x_umac_enable(params, vars, 1);
  10506. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10507. }
  10508. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10509. struct link_vars *vars)
  10510. {
  10511. struct bnx2x *bp = params->bp;
  10512. vars->link_up = 1;
  10513. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10514. vars->duplex = DUPLEX_FULL;
  10515. if (params->req_line_speed[0] == SPEED_1000)
  10516. vars->line_speed = SPEED_1000;
  10517. else
  10518. vars->line_speed = SPEED_10000;
  10519. if (!USES_WARPCORE(bp))
  10520. bnx2x_xgxs_deassert(params);
  10521. bnx2x_link_initialize(params, vars);
  10522. if (params->req_line_speed[0] == SPEED_1000) {
  10523. if (USES_WARPCORE(bp))
  10524. bnx2x_umac_enable(params, vars, 0);
  10525. else {
  10526. bnx2x_emac_program(params, vars);
  10527. bnx2x_emac_enable(params, vars, 0);
  10528. }
  10529. } else {
  10530. if (USES_WARPCORE(bp))
  10531. bnx2x_xmac_enable(params, vars, 0);
  10532. else
  10533. bnx2x_bmac_enable(params, vars, 0);
  10534. }
  10535. if (params->loopback_mode == LOOPBACK_XGXS) {
  10536. /* set 10G XGXS loopback */
  10537. params->phy[INT_PHY].config_loopback(
  10538. &params->phy[INT_PHY],
  10539. params);
  10540. } else {
  10541. /* set external phy loopback */
  10542. u8 phy_index;
  10543. for (phy_index = EXT_PHY1;
  10544. phy_index < params->num_phys; phy_index++) {
  10545. if (params->phy[phy_index].config_loopback)
  10546. params->phy[phy_index].config_loopback(
  10547. &params->phy[phy_index],
  10548. params);
  10549. }
  10550. }
  10551. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10552. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10553. }
  10554. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10555. {
  10556. struct bnx2x *bp = params->bp;
  10557. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10558. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10559. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10560. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10561. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10562. vars->link_status = 0;
  10563. vars->phy_link_up = 0;
  10564. vars->link_up = 0;
  10565. vars->line_speed = 0;
  10566. vars->duplex = DUPLEX_FULL;
  10567. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10568. vars->mac_type = MAC_TYPE_NONE;
  10569. vars->phy_flags = 0;
  10570. /* disable attentions */
  10571. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10572. (NIG_MASK_XGXS0_LINK_STATUS |
  10573. NIG_MASK_XGXS0_LINK10G |
  10574. NIG_MASK_SERDES0_LINK_STATUS |
  10575. NIG_MASK_MI_INT));
  10576. bnx2x_emac_init(params, vars);
  10577. if (params->num_phys == 0) {
  10578. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10579. return -EINVAL;
  10580. }
  10581. set_phy_vars(params, vars);
  10582. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10583. switch (params->loopback_mode) {
  10584. case LOOPBACK_BMAC:
  10585. bnx2x_init_bmac_loopback(params, vars);
  10586. break;
  10587. case LOOPBACK_EMAC:
  10588. bnx2x_init_emac_loopback(params, vars);
  10589. break;
  10590. case LOOPBACK_XMAC:
  10591. bnx2x_init_xmac_loopback(params, vars);
  10592. break;
  10593. case LOOPBACK_UMAC:
  10594. bnx2x_init_umac_loopback(params, vars);
  10595. break;
  10596. case LOOPBACK_XGXS:
  10597. case LOOPBACK_EXT_PHY:
  10598. bnx2x_init_xgxs_loopback(params, vars);
  10599. break;
  10600. default:
  10601. if (!CHIP_IS_E3(bp)) {
  10602. if (params->switch_cfg == SWITCH_CFG_10G)
  10603. bnx2x_xgxs_deassert(params);
  10604. else
  10605. bnx2x_serdes_deassert(bp, params->port);
  10606. }
  10607. bnx2x_link_initialize(params, vars);
  10608. msleep(30);
  10609. bnx2x_link_int_enable(params);
  10610. break;
  10611. }
  10612. return 0;
  10613. }
  10614. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10615. u8 reset_ext_phy)
  10616. {
  10617. struct bnx2x *bp = params->bp;
  10618. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10619. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10620. /* disable attentions */
  10621. vars->link_status = 0;
  10622. bnx2x_update_mng(params, vars->link_status);
  10623. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10624. (NIG_MASK_XGXS0_LINK_STATUS |
  10625. NIG_MASK_XGXS0_LINK10G |
  10626. NIG_MASK_SERDES0_LINK_STATUS |
  10627. NIG_MASK_MI_INT));
  10628. /* activate nig drain */
  10629. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10630. /* disable nig egress interface */
  10631. if (!CHIP_IS_E3(bp)) {
  10632. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10633. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10634. }
  10635. /* Stop BigMac rx */
  10636. if (!CHIP_IS_E3(bp))
  10637. bnx2x_bmac_rx_disable(bp, port);
  10638. else {
  10639. bnx2x_xmac_disable(params);
  10640. bnx2x_umac_disable(params);
  10641. }
  10642. /* disable emac */
  10643. if (!CHIP_IS_E3(bp))
  10644. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10645. msleep(10);
  10646. /* The PHY reset is controlled by GPIO 1
  10647. * Hold it as vars low
  10648. */
  10649. /* clear link led */
  10650. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10651. if (reset_ext_phy) {
  10652. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10653. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10654. phy_index++) {
  10655. if (params->phy[phy_index].link_reset) {
  10656. bnx2x_set_aer_mmd(params,
  10657. &params->phy[phy_index]);
  10658. params->phy[phy_index].link_reset(
  10659. &params->phy[phy_index],
  10660. params);
  10661. }
  10662. if (params->phy[phy_index].flags &
  10663. FLAGS_REARM_LATCH_SIGNAL)
  10664. clear_latch_ind = 1;
  10665. }
  10666. }
  10667. if (clear_latch_ind) {
  10668. /* Clear latching indication */
  10669. bnx2x_rearm_latch_signal(bp, port, 0);
  10670. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10671. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10672. }
  10673. if (params->phy[INT_PHY].link_reset)
  10674. params->phy[INT_PHY].link_reset(
  10675. &params->phy[INT_PHY], params);
  10676. /* disable nig ingress interface */
  10677. if (!CHIP_IS_E3(bp)) {
  10678. /* reset BigMac */
  10679. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10680. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10681. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10682. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10683. } else {
  10684. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10685. bnx2x_set_xumac_nig(params, 0, 0);
  10686. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10687. MISC_REGISTERS_RESET_REG_2_XMAC)
  10688. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10689. XMAC_CTRL_REG_SOFT_RESET);
  10690. }
  10691. vars->link_up = 0;
  10692. vars->phy_flags = 0;
  10693. return 0;
  10694. }
  10695. /****************************************************************************/
  10696. /* Common function */
  10697. /****************************************************************************/
  10698. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10699. u32 shmem_base_path[],
  10700. u32 shmem2_base_path[], u8 phy_index,
  10701. u32 chip_id)
  10702. {
  10703. struct bnx2x_phy phy[PORT_MAX];
  10704. struct bnx2x_phy *phy_blk[PORT_MAX];
  10705. u16 val;
  10706. s8 port = 0;
  10707. s8 port_of_path = 0;
  10708. u32 swap_val, swap_override;
  10709. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10710. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10711. port ^= (swap_val && swap_override);
  10712. bnx2x_ext_phy_hw_reset(bp, port);
  10713. /* PART1 - Reset both phys */
  10714. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10715. u32 shmem_base, shmem2_base;
  10716. /* In E2, same phy is using for port0 of the two paths */
  10717. if (CHIP_IS_E1x(bp)) {
  10718. shmem_base = shmem_base_path[0];
  10719. shmem2_base = shmem2_base_path[0];
  10720. port_of_path = port;
  10721. } else {
  10722. shmem_base = shmem_base_path[port];
  10723. shmem2_base = shmem2_base_path[port];
  10724. port_of_path = 0;
  10725. }
  10726. /* Extract the ext phy address for the port */
  10727. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10728. port_of_path, &phy[port]) !=
  10729. 0) {
  10730. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10731. return -EINVAL;
  10732. }
  10733. /* disable attentions */
  10734. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10735. port_of_path*4,
  10736. (NIG_MASK_XGXS0_LINK_STATUS |
  10737. NIG_MASK_XGXS0_LINK10G |
  10738. NIG_MASK_SERDES0_LINK_STATUS |
  10739. NIG_MASK_MI_INT));
  10740. /* Need to take the phy out of low power mode in order
  10741. to write to access its registers */
  10742. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10743. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10744. port);
  10745. /* Reset the phy */
  10746. bnx2x_cl45_write(bp, &phy[port],
  10747. MDIO_PMA_DEVAD,
  10748. MDIO_PMA_REG_CTRL,
  10749. 1<<15);
  10750. }
  10751. /* Add delay of 150ms after reset */
  10752. msleep(150);
  10753. if (phy[PORT_0].addr & 0x1) {
  10754. phy_blk[PORT_0] = &(phy[PORT_1]);
  10755. phy_blk[PORT_1] = &(phy[PORT_0]);
  10756. } else {
  10757. phy_blk[PORT_0] = &(phy[PORT_0]);
  10758. phy_blk[PORT_1] = &(phy[PORT_1]);
  10759. }
  10760. /* PART2 - Download firmware to both phys */
  10761. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10762. if (CHIP_IS_E1x(bp))
  10763. port_of_path = port;
  10764. else
  10765. port_of_path = 0;
  10766. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10767. phy_blk[port]->addr);
  10768. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10769. port_of_path))
  10770. return -EINVAL;
  10771. /* Only set bit 10 = 1 (Tx power down) */
  10772. bnx2x_cl45_read(bp, phy_blk[port],
  10773. MDIO_PMA_DEVAD,
  10774. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10775. /* Phase1 of TX_POWER_DOWN reset */
  10776. bnx2x_cl45_write(bp, phy_blk[port],
  10777. MDIO_PMA_DEVAD,
  10778. MDIO_PMA_REG_TX_POWER_DOWN,
  10779. (val | 1<<10));
  10780. }
  10781. /*
  10782. * Toggle Transmitter: Power down and then up with 600ms delay
  10783. * between
  10784. */
  10785. msleep(600);
  10786. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10787. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10788. /* Phase2 of POWER_DOWN_RESET */
  10789. /* Release bit 10 (Release Tx power down) */
  10790. bnx2x_cl45_read(bp, phy_blk[port],
  10791. MDIO_PMA_DEVAD,
  10792. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10793. bnx2x_cl45_write(bp, phy_blk[port],
  10794. MDIO_PMA_DEVAD,
  10795. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10796. msleep(15);
  10797. /* Read modify write the SPI-ROM version select register */
  10798. bnx2x_cl45_read(bp, phy_blk[port],
  10799. MDIO_PMA_DEVAD,
  10800. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10801. bnx2x_cl45_write(bp, phy_blk[port],
  10802. MDIO_PMA_DEVAD,
  10803. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10804. /* set GPIO2 back to LOW */
  10805. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10806. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10807. }
  10808. return 0;
  10809. }
  10810. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10811. u32 shmem_base_path[],
  10812. u32 shmem2_base_path[], u8 phy_index,
  10813. u32 chip_id)
  10814. {
  10815. u32 val;
  10816. s8 port;
  10817. struct bnx2x_phy phy;
  10818. /* Use port1 because of the static port-swap */
  10819. /* Enable the module detection interrupt */
  10820. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10821. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10822. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10823. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10824. bnx2x_ext_phy_hw_reset(bp, 0);
  10825. msleep(5);
  10826. for (port = 0; port < PORT_MAX; port++) {
  10827. u32 shmem_base, shmem2_base;
  10828. /* In E2, same phy is using for port0 of the two paths */
  10829. if (CHIP_IS_E1x(bp)) {
  10830. shmem_base = shmem_base_path[0];
  10831. shmem2_base = shmem2_base_path[0];
  10832. } else {
  10833. shmem_base = shmem_base_path[port];
  10834. shmem2_base = shmem2_base_path[port];
  10835. }
  10836. /* Extract the ext phy address for the port */
  10837. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10838. port, &phy) !=
  10839. 0) {
  10840. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10841. return -EINVAL;
  10842. }
  10843. /* Reset phy*/
  10844. bnx2x_cl45_write(bp, &phy,
  10845. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10846. /* Set fault module detected LED on */
  10847. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10848. MISC_REGISTERS_GPIO_HIGH,
  10849. port);
  10850. }
  10851. return 0;
  10852. }
  10853. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10854. u8 *io_gpio, u8 *io_port)
  10855. {
  10856. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10857. offsetof(struct shmem_region,
  10858. dev_info.port_hw_config[PORT_0].default_cfg));
  10859. switch (phy_gpio_reset) {
  10860. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10861. *io_gpio = 0;
  10862. *io_port = 0;
  10863. break;
  10864. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10865. *io_gpio = 1;
  10866. *io_port = 0;
  10867. break;
  10868. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10869. *io_gpio = 2;
  10870. *io_port = 0;
  10871. break;
  10872. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10873. *io_gpio = 3;
  10874. *io_port = 0;
  10875. break;
  10876. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10877. *io_gpio = 0;
  10878. *io_port = 1;
  10879. break;
  10880. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10881. *io_gpio = 1;
  10882. *io_port = 1;
  10883. break;
  10884. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10885. *io_gpio = 2;
  10886. *io_port = 1;
  10887. break;
  10888. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10889. *io_gpio = 3;
  10890. *io_port = 1;
  10891. break;
  10892. default:
  10893. /* Don't override the io_gpio and io_port */
  10894. break;
  10895. }
  10896. }
  10897. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10898. u32 shmem_base_path[],
  10899. u32 shmem2_base_path[], u8 phy_index,
  10900. u32 chip_id)
  10901. {
  10902. s8 port, reset_gpio;
  10903. u32 swap_val, swap_override;
  10904. struct bnx2x_phy phy[PORT_MAX];
  10905. struct bnx2x_phy *phy_blk[PORT_MAX];
  10906. s8 port_of_path;
  10907. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10908. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10909. reset_gpio = MISC_REGISTERS_GPIO_1;
  10910. port = 1;
  10911. /*
  10912. * Retrieve the reset gpio/port which control the reset.
  10913. * Default is GPIO1, PORT1
  10914. */
  10915. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10916. (u8 *)&reset_gpio, (u8 *)&port);
  10917. /* Calculate the port based on port swap */
  10918. port ^= (swap_val && swap_override);
  10919. /* Initiate PHY reset*/
  10920. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10921. port);
  10922. msleep(1);
  10923. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10924. port);
  10925. msleep(5);
  10926. /* PART1 - Reset both phys */
  10927. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10928. u32 shmem_base, shmem2_base;
  10929. /* In E2, same phy is using for port0 of the two paths */
  10930. if (CHIP_IS_E1x(bp)) {
  10931. shmem_base = shmem_base_path[0];
  10932. shmem2_base = shmem2_base_path[0];
  10933. port_of_path = port;
  10934. } else {
  10935. shmem_base = shmem_base_path[port];
  10936. shmem2_base = shmem2_base_path[port];
  10937. port_of_path = 0;
  10938. }
  10939. /* Extract the ext phy address for the port */
  10940. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10941. port_of_path, &phy[port]) !=
  10942. 0) {
  10943. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10944. return -EINVAL;
  10945. }
  10946. /* disable attentions */
  10947. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10948. port_of_path*4,
  10949. (NIG_MASK_XGXS0_LINK_STATUS |
  10950. NIG_MASK_XGXS0_LINK10G |
  10951. NIG_MASK_SERDES0_LINK_STATUS |
  10952. NIG_MASK_MI_INT));
  10953. /* Reset the phy */
  10954. bnx2x_cl45_write(bp, &phy[port],
  10955. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10956. }
  10957. /* Add delay of 150ms after reset */
  10958. msleep(150);
  10959. if (phy[PORT_0].addr & 0x1) {
  10960. phy_blk[PORT_0] = &(phy[PORT_1]);
  10961. phy_blk[PORT_1] = &(phy[PORT_0]);
  10962. } else {
  10963. phy_blk[PORT_0] = &(phy[PORT_0]);
  10964. phy_blk[PORT_1] = &(phy[PORT_1]);
  10965. }
  10966. /* PART2 - Download firmware to both phys */
  10967. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10968. if (CHIP_IS_E1x(bp))
  10969. port_of_path = port;
  10970. else
  10971. port_of_path = 0;
  10972. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10973. phy_blk[port]->addr);
  10974. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10975. port_of_path))
  10976. return -EINVAL;
  10977. /* Disable PHY transmitter output */
  10978. bnx2x_cl45_write(bp, phy_blk[port],
  10979. MDIO_PMA_DEVAD,
  10980. MDIO_PMA_REG_TX_DISABLE, 1);
  10981. }
  10982. return 0;
  10983. }
  10984. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  10985. u32 shmem_base_path[],
  10986. u32 shmem2_base_path[],
  10987. u8 phy_index,
  10988. u32 chip_id)
  10989. {
  10990. u8 reset_gpios;
  10991. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  10992. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  10993. udelay(10);
  10994. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  10995. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  10996. reset_gpios);
  10997. return 0;
  10998. }
  10999. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11000. struct bnx2x_phy *phy)
  11001. {
  11002. u16 val, cnt;
  11003. /* Wait for FW completing its initialization. */
  11004. for (cnt = 0; cnt < 1500; cnt++) {
  11005. bnx2x_cl45_read(bp, phy,
  11006. MDIO_PMA_DEVAD,
  11007. MDIO_PMA_REG_CTRL, &val);
  11008. if (!(val & (1<<15)))
  11009. break;
  11010. msleep(1);
  11011. }
  11012. if (cnt >= 1500) {
  11013. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11014. return -EINVAL;
  11015. }
  11016. /* Put the port in super isolate mode. */
  11017. bnx2x_cl45_read(bp, phy,
  11018. MDIO_CTL_DEVAD,
  11019. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11020. val |= MDIO_84833_SUPER_ISOLATE;
  11021. bnx2x_cl45_write(bp, phy,
  11022. MDIO_CTL_DEVAD,
  11023. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11024. /* Save spirom version */
  11025. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11026. return 0;
  11027. }
  11028. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11029. u32 shmem_base,
  11030. u32 shmem2_base,
  11031. u32 chip_id)
  11032. {
  11033. int rc = 0;
  11034. struct bnx2x_phy phy;
  11035. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11036. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11037. PORT_0, &phy)) {
  11038. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11039. return -EINVAL;
  11040. }
  11041. switch (phy.type) {
  11042. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11043. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11044. break;
  11045. default:
  11046. break;
  11047. }
  11048. return rc;
  11049. }
  11050. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11051. u32 shmem2_base_path[], u8 phy_index,
  11052. u32 ext_phy_type, u32 chip_id)
  11053. {
  11054. int rc = 0;
  11055. switch (ext_phy_type) {
  11056. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11057. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11058. shmem2_base_path,
  11059. phy_index, chip_id);
  11060. break;
  11061. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11062. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11063. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11064. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11065. shmem2_base_path,
  11066. phy_index, chip_id);
  11067. break;
  11068. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11069. /*
  11070. * GPIO1 affects both ports, so there's need to pull
  11071. * it for single port alone
  11072. */
  11073. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11074. shmem2_base_path,
  11075. phy_index, chip_id);
  11076. break;
  11077. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11078. /*
  11079. * GPIO3's are linked, and so both need to be toggled
  11080. * to obtain required 2us pulse.
  11081. */
  11082. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11083. shmem2_base_path,
  11084. phy_index, chip_id);
  11085. break;
  11086. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11087. rc = -EINVAL;
  11088. break;
  11089. default:
  11090. DP(NETIF_MSG_LINK,
  11091. "ext_phy 0x%x common init not required\n",
  11092. ext_phy_type);
  11093. break;
  11094. }
  11095. if (rc != 0)
  11096. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11097. " Port %d\n",
  11098. 0);
  11099. return rc;
  11100. }
  11101. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11102. u32 shmem2_base_path[], u32 chip_id)
  11103. {
  11104. int rc = 0;
  11105. u32 phy_ver, val;
  11106. u8 phy_index = 0;
  11107. u32 ext_phy_type, ext_phy_config;
  11108. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11109. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11110. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11111. if (CHIP_IS_E3(bp)) {
  11112. /* Enable EPIO */
  11113. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11114. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11115. }
  11116. /* Check if common init was already done */
  11117. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11118. offsetof(struct shmem_region,
  11119. port_mb[PORT_0].ext_phy_fw_version));
  11120. if (phy_ver) {
  11121. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11122. phy_ver);
  11123. return 0;
  11124. }
  11125. /* Read the ext_phy_type for arbitrary port(0) */
  11126. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11127. phy_index++) {
  11128. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11129. shmem_base_path[0],
  11130. phy_index, 0);
  11131. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11132. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11133. shmem2_base_path,
  11134. phy_index, ext_phy_type,
  11135. chip_id);
  11136. }
  11137. return rc;
  11138. }
  11139. static void bnx2x_check_over_curr(struct link_params *params,
  11140. struct link_vars *vars)
  11141. {
  11142. struct bnx2x *bp = params->bp;
  11143. u32 cfg_pin;
  11144. u8 port = params->port;
  11145. u32 pin_val;
  11146. cfg_pin = (REG_RD(bp, params->shmem_base +
  11147. offsetof(struct shmem_region,
  11148. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11149. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11150. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11151. /* Ignore check if no external input PIN available */
  11152. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11153. return;
  11154. if (!pin_val) {
  11155. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11156. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11157. " been detected and the power to "
  11158. "that SFP+ module has been removed"
  11159. " to prevent failure of the card."
  11160. " Please remove the SFP+ module and"
  11161. " restart the system to clear this"
  11162. " error.\n",
  11163. params->port);
  11164. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11165. }
  11166. } else
  11167. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11168. }
  11169. static void bnx2x_analyze_link_error(struct link_params *params,
  11170. struct link_vars *vars, u32 lss_status)
  11171. {
  11172. struct bnx2x *bp = params->bp;
  11173. /* Compare new value with previous value */
  11174. u8 led_mode;
  11175. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11176. if ((lss_status ^ half_open_conn) == 0)
  11177. return;
  11178. /* If values differ */
  11179. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11180. half_open_conn, lss_status);
  11181. /*
  11182. * a. Update shmem->link_status accordingly
  11183. * b. Update link_vars->link_up
  11184. */
  11185. if (lss_status) {
  11186. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11187. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11188. vars->link_up = 0;
  11189. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11190. /*
  11191. * Set LED mode to off since the PHY doesn't know about these
  11192. * errors
  11193. */
  11194. led_mode = LED_MODE_OFF;
  11195. } else {
  11196. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11197. vars->link_status |= LINK_STATUS_LINK_UP;
  11198. vars->link_up = 1;
  11199. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11200. led_mode = LED_MODE_OPER;
  11201. }
  11202. /* Update the LED according to the link state */
  11203. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11204. /* Update link status in the shared memory */
  11205. bnx2x_update_mng(params, vars->link_status);
  11206. /* C. Trigger General Attention */
  11207. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11208. bnx2x_notify_link_changed(bp);
  11209. }
  11210. /******************************************************************************
  11211. * Description:
  11212. * This function checks for half opened connection change indication.
  11213. * When such change occurs, it calls the bnx2x_analyze_link_error
  11214. * to check if Remote Fault is set or cleared. Reception of remote fault
  11215. * status message in the MAC indicates that the peer's MAC has detected
  11216. * a fault, for example, due to break in the TX side of fiber.
  11217. *
  11218. ******************************************************************************/
  11219. static void bnx2x_check_half_open_conn(struct link_params *params,
  11220. struct link_vars *vars)
  11221. {
  11222. struct bnx2x *bp = params->bp;
  11223. u32 lss_status = 0;
  11224. u32 mac_base;
  11225. /* In case link status is physically up @ 10G do */
  11226. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11227. return;
  11228. if (CHIP_IS_E3(bp) &&
  11229. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11230. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11231. /* Check E3 XMAC */
  11232. /*
  11233. * Note that link speed cannot be queried here, since it may be
  11234. * zero while link is down. In case UMAC is active, LSS will
  11235. * simply not be set
  11236. */
  11237. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11238. /* Clear stick bits (Requires rising edge) */
  11239. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11240. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11241. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11242. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11243. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11244. lss_status = 1;
  11245. bnx2x_analyze_link_error(params, vars, lss_status);
  11246. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11247. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11248. /* Check E1X / E2 BMAC */
  11249. u32 lss_status_reg;
  11250. u32 wb_data[2];
  11251. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11252. NIG_REG_INGRESS_BMAC0_MEM;
  11253. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11254. if (CHIP_IS_E2(bp))
  11255. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11256. else
  11257. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11258. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11259. lss_status = (wb_data[0] > 0);
  11260. bnx2x_analyze_link_error(params, vars, lss_status);
  11261. }
  11262. }
  11263. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11264. {
  11265. struct bnx2x *bp = params->bp;
  11266. u16 phy_idx;
  11267. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11268. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11269. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11270. bnx2x_check_half_open_conn(params, vars);
  11271. break;
  11272. }
  11273. }
  11274. if (CHIP_IS_E3(bp)) {
  11275. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11276. bnx2x_set_aer_mmd(params, phy);
  11277. bnx2x_check_over_curr(params, vars);
  11278. bnx2x_warpcore_config_runtime(phy, params, vars);
  11279. }
  11280. }
  11281. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11282. {
  11283. u8 phy_index;
  11284. struct bnx2x_phy phy;
  11285. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11286. phy_index++) {
  11287. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11288. 0, &phy) != 0) {
  11289. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11290. return 0;
  11291. }
  11292. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11293. return 1;
  11294. }
  11295. return 0;
  11296. }
  11297. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11298. u32 shmem_base,
  11299. u32 shmem2_base,
  11300. u8 port)
  11301. {
  11302. u8 phy_index, fan_failure_det_req = 0;
  11303. struct bnx2x_phy phy;
  11304. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11305. phy_index++) {
  11306. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11307. port, &phy)
  11308. != 0) {
  11309. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11310. return 0;
  11311. }
  11312. fan_failure_det_req |= (phy.flags &
  11313. FLAGS_FAN_FAILURE_DET_REQ);
  11314. }
  11315. return fan_failure_det_req;
  11316. }
  11317. void bnx2x_hw_reset_phy(struct link_params *params)
  11318. {
  11319. u8 phy_index;
  11320. struct bnx2x *bp = params->bp;
  11321. bnx2x_update_mng(params, 0);
  11322. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11323. (NIG_MASK_XGXS0_LINK_STATUS |
  11324. NIG_MASK_XGXS0_LINK10G |
  11325. NIG_MASK_SERDES0_LINK_STATUS |
  11326. NIG_MASK_MI_INT));
  11327. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11328. phy_index++) {
  11329. if (params->phy[phy_index].hw_reset) {
  11330. params->phy[phy_index].hw_reset(
  11331. &params->phy[phy_index],
  11332. params);
  11333. params->phy[phy_index] = phy_null;
  11334. }
  11335. }
  11336. }
  11337. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11338. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11339. u8 port)
  11340. {
  11341. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11342. u32 val;
  11343. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11344. if (CHIP_IS_E3(bp)) {
  11345. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11346. shmem_base,
  11347. port,
  11348. &gpio_num,
  11349. &gpio_port) != 0)
  11350. return;
  11351. } else {
  11352. struct bnx2x_phy phy;
  11353. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11354. phy_index++) {
  11355. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11356. shmem2_base, port, &phy)
  11357. != 0) {
  11358. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11359. return;
  11360. }
  11361. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11362. gpio_num = MISC_REGISTERS_GPIO_3;
  11363. gpio_port = port;
  11364. break;
  11365. }
  11366. }
  11367. }
  11368. if (gpio_num == 0xff)
  11369. return;
  11370. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11371. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11372. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11373. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11374. gpio_port ^= (swap_val && swap_override);
  11375. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11376. (gpio_num + (gpio_port << 2));
  11377. sync_offset = shmem_base +
  11378. offsetof(struct shmem_region,
  11379. dev_info.port_hw_config[port].aeu_int_mask);
  11380. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11381. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11382. gpio_num, gpio_port, vars->aeu_int_mask);
  11383. if (port == 0)
  11384. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11385. else
  11386. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11387. /* Open appropriate AEU for interrupts */
  11388. aeu_mask = REG_RD(bp, offset);
  11389. aeu_mask |= vars->aeu_int_mask;
  11390. REG_WR(bp, offset, aeu_mask);
  11391. /* Enable the GPIO to trigger interrupt */
  11392. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11393. val |= 1 << (gpio_num + (gpio_port << 2));
  11394. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11395. }