bnx2x_link.c 234 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086408740884089409040914092409340944095409640974098409941004101410241034104410541064107410841094110411141124113411441154116411741184119412041214122412341244125412641274128412941304131413241334134413541364137413841394140414141424143414441454146414741484149415041514152415341544155415641574158415941604161416241634164416541664167416841694170417141724173417441754176417741784179418041814182418341844185418641874188418941904191419241934194419541964197419841994200420142024203420442054206420742084209421042114212421342144215421642174218421942204221422242234224422542264227422842294230423142324233423442354236423742384239424042414242424342444245424642474248424942504251425242534254425542564257425842594260426142624263426442654266426742684269427042714272427342744275427642774278427942804281428242834284428542864287428842894290429142924293429442954296429742984299430043014302430343044305430643074308430943104311431243134314431543164317431843194320432143224323432443254326432743284329433043314332433343344335433643374338433943404341434243434344434543464347434843494350435143524353435443554356435743584359436043614362436343644365436643674368436943704371437243734374437543764377437843794380438143824383438443854386438743884389439043914392439343944395439643974398439944004401440244034404440544064407440844094410441144124413441444154416441744184419442044214422442344244425442644274428442944304431443244334434443544364437443844394440444144424443444444454446444744484449445044514452445344544455445644574458445944604461446244634464446544664467446844694470447144724473447444754476447744784479448044814482448344844485448644874488448944904491449244934494449544964497449844994500450145024503450445054506450745084509451045114512451345144515451645174518451945204521452245234524452545264527452845294530453145324533453445354536453745384539454045414542454345444545454645474548454945504551455245534554455545564557455845594560456145624563456445654566456745684569457045714572457345744575457645774578457945804581458245834584458545864587458845894590459145924593459445954596459745984599460046014602460346044605460646074608460946104611461246134614461546164617461846194620462146224623462446254626462746284629463046314632463346344635463646374638463946404641464246434644464546464647464846494650465146524653465446554656465746584659466046614662466346644665466646674668466946704671467246734674467546764677467846794680468146824683468446854686468746884689469046914692469346944695469646974698469947004701470247034704470547064707470847094710471147124713471447154716471747184719472047214722472347244725472647274728472947304731473247334734473547364737473847394740474147424743474447454746474747484749475047514752475347544755475647574758475947604761476247634764476547664767476847694770477147724773477447754776477747784779478047814782478347844785478647874788478947904791479247934794479547964797479847994800480148024803480448054806480748084809481048114812481348144815481648174818481948204821482248234824482548264827482848294830483148324833483448354836483748384839484048414842484348444845484648474848484948504851485248534854485548564857485848594860486148624863486448654866486748684869487048714872487348744875487648774878487948804881488248834884488548864887488848894890489148924893489448954896489748984899490049014902490349044905490649074908490949104911491249134914491549164917491849194920492149224923492449254926492749284929493049314932493349344935493649374938493949404941494249434944494549464947494849494950495149524953495449554956495749584959496049614962496349644965496649674968496949704971497249734974497549764977497849794980498149824983498449854986498749884989499049914992499349944995499649974998499950005001500250035004500550065007500850095010501150125013501450155016501750185019502050215022502350245025502650275028502950305031503250335034503550365037503850395040504150425043504450455046504750485049505050515052505350545055505650575058505950605061506250635064506550665067506850695070507150725073507450755076507750785079508050815082508350845085508650875088508950905091509250935094509550965097509850995100510151025103510451055106510751085109511051115112511351145115511651175118511951205121512251235124512551265127512851295130513151325133513451355136513751385139514051415142514351445145514651475148514951505151515251535154515551565157515851595160516151625163516451655166516751685169517051715172517351745175517651775178517951805181518251835184518551865187518851895190519151925193519451955196519751985199520052015202520352045205520652075208520952105211521252135214521552165217521852195220522152225223522452255226522752285229523052315232523352345235523652375238523952405241524252435244524552465247524852495250525152525253525452555256525752585259526052615262526352645265526652675268526952705271527252735274527552765277527852795280528152825283528452855286528752885289529052915292529352945295529652975298529953005301530253035304530553065307530853095310531153125313531453155316531753185319532053215322532353245325532653275328532953305331533253335334533553365337533853395340534153425343534453455346534753485349535053515352535353545355535653575358535953605361536253635364536553665367536853695370537153725373537453755376537753785379538053815382538353845385538653875388538953905391539253935394539553965397539853995400540154025403540454055406540754085409541054115412541354145415541654175418541954205421542254235424542554265427542854295430543154325433543454355436543754385439544054415442544354445445544654475448544954505451545254535454545554565457545854595460546154625463546454655466546754685469547054715472547354745475547654775478547954805481548254835484548554865487548854895490549154925493549454955496549754985499550055015502550355045505550655075508550955105511551255135514551555165517551855195520552155225523552455255526552755285529553055315532553355345535553655375538553955405541554255435544554555465547554855495550555155525553555455555556555755585559556055615562556355645565556655675568556955705571557255735574557555765577557855795580558155825583558455855586558755885589559055915592559355945595559655975598559956005601560256035604560556065607560856095610561156125613561456155616561756185619562056215622562356245625562656275628562956305631563256335634563556365637563856395640564156425643564456455646564756485649565056515652565356545655565656575658565956605661566256635664566556665667566856695670567156725673567456755676567756785679568056815682568356845685568656875688568956905691569256935694569556965697569856995700570157025703570457055706570757085709571057115712571357145715571657175718571957205721572257235724572557265727572857295730573157325733573457355736573757385739574057415742574357445745574657475748574957505751575257535754575557565757575857595760576157625763576457655766576757685769577057715772577357745775577657775778577957805781578257835784578557865787578857895790579157925793579457955796579757985799580058015802580358045805580658075808580958105811581258135814581558165817581858195820582158225823582458255826582758285829583058315832583358345835583658375838583958405841584258435844584558465847584858495850585158525853585458555856585758585859586058615862586358645865586658675868586958705871587258735874587558765877587858795880588158825883588458855886588758885889589058915892589358945895589658975898589959005901590259035904590559065907590859095910591159125913591459155916591759185919592059215922592359245925592659275928592959305931593259335934593559365937593859395940594159425943594459455946594759485949595059515952595359545955595659575958595959605961596259635964596559665967596859695970597159725973597459755976597759785979598059815982598359845985598659875988598959905991599259935994599559965997599859996000600160026003600460056006600760086009601060116012601360146015601660176018601960206021602260236024602560266027602860296030603160326033603460356036603760386039604060416042604360446045604660476048604960506051605260536054605560566057605860596060606160626063606460656066606760686069607060716072607360746075607660776078607960806081608260836084608560866087608860896090609160926093609460956096609760986099610061016102610361046105610661076108610961106111611261136114611561166117611861196120612161226123612461256126612761286129613061316132613361346135613661376138613961406141614261436144614561466147614861496150615161526153615461556156615761586159616061616162616361646165616661676168616961706171617261736174617561766177617861796180618161826183618461856186618761886189619061916192619361946195619661976198619962006201620262036204620562066207620862096210621162126213621462156216621762186219622062216222622362246225622662276228622962306231623262336234623562366237623862396240624162426243624462456246624762486249625062516252625362546255625662576258625962606261626262636264626562666267626862696270627162726273627462756276627762786279628062816282628362846285628662876288628962906291629262936294629562966297629862996300630163026303630463056306630763086309631063116312631363146315631663176318631963206321632263236324632563266327632863296330633163326333633463356336633763386339634063416342634363446345634663476348634963506351635263536354635563566357635863596360636163626363636463656366636763686369637063716372637363746375637663776378637963806381638263836384638563866387638863896390639163926393639463956396639763986399640064016402640364046405640664076408640964106411641264136414641564166417641864196420642164226423642464256426642764286429643064316432643364346435643664376438643964406441644264436444644564466447644864496450645164526453645464556456645764586459646064616462646364646465646664676468646964706471647264736474647564766477647864796480648164826483648464856486648764886489649064916492649364946495649664976498649965006501650265036504650565066507650865096510651165126513651465156516651765186519652065216522652365246525652665276528652965306531653265336534653565366537653865396540654165426543654465456546654765486549655065516552655365546555655665576558655965606561656265636564656565666567656865696570657165726573657465756576657765786579658065816582658365846585658665876588658965906591659265936594659565966597659865996600660166026603660466056606660766086609661066116612661366146615661666176618661966206621662266236624662566266627662866296630663166326633663466356636663766386639664066416642664366446645664666476648664966506651665266536654665566566657665866596660666166626663666466656666666766686669667066716672667366746675667666776678667966806681668266836684668566866687668866896690669166926693669466956696669766986699670067016702670367046705670667076708670967106711671267136714671567166717671867196720672167226723672467256726672767286729673067316732673367346735673667376738673967406741674267436744674567466747674867496750675167526753675467556756675767586759676067616762676367646765676667676768676967706771677267736774677567766777677867796780678167826783678467856786678767886789679067916792679367946795679667976798679968006801680268036804680568066807680868096810681168126813681468156816681768186819682068216822682368246825682668276828682968306831683268336834683568366837683868396840684168426843684468456846684768486849685068516852685368546855685668576858685968606861686268636864686568666867686868696870687168726873687468756876687768786879688068816882688368846885688668876888688968906891689268936894689568966897689868996900690169026903690469056906690769086909691069116912691369146915691669176918691969206921692269236924692569266927692869296930693169326933693469356936693769386939694069416942694369446945694669476948694969506951695269536954695569566957695869596960696169626963696469656966696769686969697069716972697369746975697669776978697969806981698269836984698569866987698869896990699169926993699469956996699769986999700070017002700370047005700670077008700970107011701270137014701570167017701870197020702170227023702470257026702770287029703070317032703370347035703670377038703970407041704270437044704570467047704870497050705170527053705470557056705770587059706070617062706370647065706670677068706970707071707270737074707570767077707870797080708170827083708470857086708770887089709070917092709370947095709670977098709971007101710271037104710571067107710871097110711171127113711471157116711771187119712071217122712371247125712671277128712971307131713271337134713571367137713871397140714171427143714471457146714771487149715071517152715371547155715671577158715971607161716271637164716571667167716871697170717171727173717471757176717771787179718071817182718371847185718671877188718971907191719271937194719571967197719871997200720172027203720472057206720772087209721072117212721372147215721672177218721972207221722272237224722572267227722872297230723172327233723472357236723772387239724072417242724372447245724672477248724972507251725272537254725572567257725872597260726172627263726472657266726772687269727072717272727372747275727672777278727972807281728272837284728572867287728872897290729172927293729472957296729772987299730073017302730373047305730673077308730973107311731273137314731573167317731873197320732173227323732473257326732773287329733073317332733373347335733673377338733973407341734273437344734573467347734873497350735173527353735473557356735773587359736073617362736373647365736673677368736973707371737273737374737573767377737873797380738173827383738473857386738773887389739073917392739373947395739673977398739974007401740274037404740574067407740874097410741174127413741474157416741774187419742074217422742374247425742674277428742974307431743274337434743574367437743874397440744174427443744474457446744774487449745074517452745374547455745674577458745974607461746274637464746574667467746874697470747174727473747474757476747774787479748074817482748374847485748674877488748974907491749274937494749574967497749874997500750175027503750475057506750775087509751075117512751375147515751675177518751975207521752275237524752575267527752875297530753175327533753475357536753775387539754075417542754375447545754675477548754975507551755275537554755575567557755875597560756175627563756475657566756775687569757075717572757375747575757675777578757975807581758275837584758575867587758875897590759175927593759475957596759775987599760076017602760376047605760676077608760976107611761276137614761576167617761876197620762176227623762476257626762776287629763076317632763376347635763676377638763976407641764276437644764576467647764876497650765176527653765476557656765776587659766076617662766376647665766676677668766976707671767276737674767576767677767876797680768176827683768476857686768776887689769076917692769376947695769676977698769977007701770277037704770577067707770877097710771177127713771477157716771777187719772077217722772377247725772677277728772977307731773277337734773577367737773877397740774177427743774477457746774777487749775077517752775377547755775677577758775977607761776277637764776577667767776877697770777177727773777477757776777777787779778077817782778377847785778677877788778977907791779277937794779577967797779877997800780178027803780478057806780778087809781078117812781378147815781678177818781978207821782278237824782578267827782878297830783178327833783478357836783778387839784078417842784378447845784678477848784978507851785278537854785578567857785878597860786178627863786478657866786778687869787078717872787378747875787678777878787978807881788278837884788578867887788878897890789178927893789478957896789778987899790079017902790379047905790679077908790979107911791279137914791579167917791879197920792179227923792479257926792779287929793079317932793379347935793679377938793979407941794279437944794579467947794879497950795179527953795479557956795779587959796079617962796379647965796679677968796979707971797279737974797579767977797879797980798179827983798479857986798779887989799079917992799379947995799679977998799980008001800280038004800580068007800880098010801180128013801480158016801780188019802080218022802380248025802680278028802980308031803280338034803580368037803880398040804180428043804480458046804780488049805080518052805380548055805680578058805980608061806280638064806580668067806880698070807180728073807480758076807780788079808080818082808380848085808680878088808980908091809280938094809580968097809880998100810181028103810481058106810781088109811081118112811381148115811681178118811981208121812281238124812581268127812881298130813181328133813481358136813781388139814081418142814381448145814681478148814981508151815281538154815581568157815881598160816181628163816481658166816781688169817081718172817381748175817681778178817981808181818281838184818581868187818881898190819181928193819481958196819781988199820082018202820382048205820682078208820982108211821282138214821582168217821882198220822182228223822482258226822782288229823082318232823382348235823682378238823982408241824282438244824582468247824882498250825182528253825482558256825782588259826082618262826382648265826682678268826982708271827282738274827582768277827882798280828182828283828482858286828782888289829082918292
  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. /********************************************************/
  26. #define ETH_HLEN 14
  27. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  28. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  29. #define ETH_MIN_PACKET_SIZE 60
  30. #define ETH_MAX_PACKET_SIZE 1500
  31. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  32. #define MDIO_ACCESS_TIMEOUT 1000
  33. #define BMAC_CONTROL_RX_ENABLE 2
  34. /***********************************************************/
  35. /* Shortcut definitions */
  36. /***********************************************************/
  37. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  38. #define NIG_STATUS_EMAC0_MI_INT \
  39. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  40. #define NIG_STATUS_XGXS0_LINK10G \
  41. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  42. #define NIG_STATUS_XGXS0_LINK_STATUS \
  43. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  44. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  45. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  46. #define NIG_STATUS_SERDES0_LINK_STATUS \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  48. #define NIG_MASK_MI_INT \
  49. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  50. #define NIG_MASK_XGXS0_LINK10G \
  51. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  52. #define NIG_MASK_XGXS0_LINK_STATUS \
  53. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  54. #define NIG_MASK_SERDES0_LINK_STATUS \
  55. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  56. #define MDIO_AN_CL73_OR_37_COMPLETE \
  57. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  58. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  59. #define XGXS_RESET_BITS \
  60. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  61. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  62. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  63. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  64. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  65. #define SERDES_RESET_BITS \
  66. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  67. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  68. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  70. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  71. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  72. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  73. #define AUTONEG_PARALLEL \
  74. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  75. #define AUTONEG_SGMII_FIBER_AUTODET \
  76. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  77. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  78. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  79. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  80. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  81. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  82. #define GP_STATUS_SPEED_MASK \
  83. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  84. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  85. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  86. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  87. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  88. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  89. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  90. #define GP_STATUS_10G_HIG \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  92. #define GP_STATUS_10G_CX4 \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  94. #define GP_STATUS_12G_HIG \
  95. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
  96. #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
  97. #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
  98. #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
  99. #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
  100. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  101. #define GP_STATUS_10G_KX4 \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  103. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  104. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  105. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  106. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  107. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  108. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  109. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  110. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  111. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  112. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  113. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  114. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  115. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  116. #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
  117. #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
  118. #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
  119. #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
  120. #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
  121. #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
  122. #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
  123. #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
  124. #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
  125. #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
  126. #define PHY_XGXS_FLAG 0x1
  127. #define PHY_SGMII_FLAG 0x2
  128. #define PHY_SERDES_FLAG 0x4
  129. /* */
  130. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  131. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  132. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  133. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  134. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  135. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  136. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  137. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  138. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  139. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  140. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  141. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  142. #define SFP_EEPROM_OPTIONS_SIZE 2
  143. #define EDC_MODE_LINEAR 0x0022
  144. #define EDC_MODE_LIMITING 0x0044
  145. #define EDC_MODE_PASSIVE_DAC 0x0055
  146. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  147. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  148. /**********************************************************/
  149. /* INTERFACE */
  150. /**********************************************************/
  151. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  152. bnx2x_cl45_write(_bp, _phy, \
  153. (_phy)->def_md_devad, \
  154. (_bank + (_addr & 0xf)), \
  155. _val)
  156. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  157. bnx2x_cl45_read(_bp, _phy, \
  158. (_phy)->def_md_devad, \
  159. (_bank + (_addr & 0xf)), \
  160. _val)
  161. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  162. {
  163. u32 val = REG_RD(bp, reg);
  164. val |= bits;
  165. REG_WR(bp, reg, val);
  166. return val;
  167. }
  168. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  169. {
  170. u32 val = REG_RD(bp, reg);
  171. val &= ~bits;
  172. REG_WR(bp, reg, val);
  173. return val;
  174. }
  175. /******************************************************************/
  176. /* ETS section */
  177. /******************************************************************/
  178. void bnx2x_ets_disabled(struct link_params *params)
  179. {
  180. /* ETS disabled configuration*/
  181. struct bnx2x *bp = params->bp;
  182. DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
  183. /*
  184. * mapping between entry priority to client number (0,1,2 -debug and
  185. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  186. * 3bits client num.
  187. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  188. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  189. */
  190. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  191. /*
  192. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  193. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  194. * COS0 entry, 4 - COS1 entry.
  195. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  196. * bit4 bit3 bit2 bit1 bit0
  197. * MCP and debug are strict
  198. */
  199. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  200. /* defines which entries (clients) are subjected to WFQ arbitration */
  201. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  202. /*
  203. * For strict priority entries defines the number of consecutive
  204. * slots for the highest priority.
  205. */
  206. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  207. /*
  208. * mapping between the CREDIT_WEIGHT registers and actual client
  209. * numbers
  210. */
  211. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  212. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  213. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  214. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  215. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  216. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  217. /* ETS mode disable */
  218. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  219. /*
  220. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  221. * weight for COS0/COS1.
  222. */
  223. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  224. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  225. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  226. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  227. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  228. /* Defines the number of consecutive slots for the strict priority */
  229. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  230. }
  231. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  232. {
  233. /* ETS disabled configuration */
  234. struct bnx2x *bp = params->bp;
  235. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  236. /*
  237. * defines which entries (clients) are subjected to WFQ arbitration
  238. * COS0 0x8
  239. * COS1 0x10
  240. */
  241. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  242. /*
  243. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  244. * client numbers (WEIGHT_0 does not actually have to represent
  245. * client 0)
  246. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  247. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  248. */
  249. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  250. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  251. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  252. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  253. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  254. /* ETS mode enabled*/
  255. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  256. /* Defines the number of consecutive slots for the strict priority */
  257. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  258. /*
  259. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  260. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  261. * entry, 4 - COS1 entry.
  262. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  263. * bit4 bit3 bit2 bit1 bit0
  264. * MCP and debug are strict
  265. */
  266. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  267. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  268. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  269. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  270. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  271. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  272. }
  273. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  274. const u32 cos1_bw)
  275. {
  276. /* ETS disabled configuration*/
  277. struct bnx2x *bp = params->bp;
  278. const u32 total_bw = cos0_bw + cos1_bw;
  279. u32 cos0_credit_weight = 0;
  280. u32 cos1_credit_weight = 0;
  281. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  282. if ((0 == total_bw) ||
  283. (0 == cos0_bw) ||
  284. (0 == cos1_bw)) {
  285. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  286. return;
  287. }
  288. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  289. total_bw;
  290. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  291. total_bw;
  292. bnx2x_ets_bw_limit_common(params);
  293. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  294. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  295. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  296. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  297. }
  298. u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  299. {
  300. /* ETS disabled configuration*/
  301. struct bnx2x *bp = params->bp;
  302. u32 val = 0;
  303. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  304. /*
  305. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  306. * as strict. Bits 0,1,2 - debug and management entries,
  307. * 3 - COS0 entry, 4 - COS1 entry.
  308. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  309. * bit4 bit3 bit2 bit1 bit0
  310. * MCP and debug are strict
  311. */
  312. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  313. /*
  314. * For strict priority entries defines the number of consecutive slots
  315. * for the highest priority.
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  318. /* ETS mode disable */
  319. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  320. /* Defines the number of consecutive slots for the strict priority */
  321. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  322. /* Defines the number of consecutive slots for the strict priority */
  323. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  324. /*
  325. * mapping between entry priority to client number (0,1,2 -debug and
  326. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  327. * 3bits client num.
  328. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  329. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  330. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  331. */
  332. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  334. return 0;
  335. }
  336. /******************************************************************/
  337. /* PFC section */
  338. /******************************************************************/
  339. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  340. u32 pfc_frames_sent[2],
  341. u32 pfc_frames_received[2])
  342. {
  343. /* Read pfc statistic */
  344. struct bnx2x *bp = params->bp;
  345. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  346. NIG_REG_INGRESS_BMAC0_MEM;
  347. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  348. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  349. pfc_frames_sent, 2);
  350. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  351. pfc_frames_received, 2);
  352. }
  353. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  354. u32 pfc_frames_sent[2],
  355. u32 pfc_frames_received[2])
  356. {
  357. /* Read pfc statistic */
  358. struct bnx2x *bp = params->bp;
  359. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  360. u32 val_xon = 0;
  361. u32 val_xoff = 0;
  362. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  363. /* PFC received frames */
  364. val_xoff = REG_RD(bp, emac_base +
  365. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  366. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  367. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  368. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  369. pfc_frames_received[0] = val_xon + val_xoff;
  370. /* PFC received sent */
  371. val_xoff = REG_RD(bp, emac_base +
  372. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  373. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  374. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  375. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  376. pfc_frames_sent[0] = val_xon + val_xoff;
  377. }
  378. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  379. u32 pfc_frames_sent[2],
  380. u32 pfc_frames_received[2])
  381. {
  382. /* Read pfc statistic */
  383. struct bnx2x *bp = params->bp;
  384. u32 val = 0;
  385. DP(NETIF_MSG_LINK, "pfc statistic\n");
  386. if (!vars->link_up)
  387. return;
  388. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  389. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  390. == 0) {
  391. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  392. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  393. pfc_frames_received);
  394. } else {
  395. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  396. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  397. pfc_frames_received);
  398. }
  399. }
  400. /******************************************************************/
  401. /* MAC/PBF section */
  402. /******************************************************************/
  403. static void bnx2x_emac_init(struct link_params *params,
  404. struct link_vars *vars)
  405. {
  406. /* reset and unreset the emac core */
  407. struct bnx2x *bp = params->bp;
  408. u8 port = params->port;
  409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  410. u32 val;
  411. u16 timeout;
  412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  413. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  414. udelay(5);
  415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  416. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  417. /* init emac - use read-modify-write */
  418. /* self clear reset */
  419. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  420. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  421. timeout = 200;
  422. do {
  423. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  424. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  425. if (!timeout) {
  426. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  427. return;
  428. }
  429. timeout--;
  430. } while (val & EMAC_MODE_RESET);
  431. /* Set mac address */
  432. val = ((params->mac_addr[0] << 8) |
  433. params->mac_addr[1]);
  434. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  435. val = ((params->mac_addr[2] << 24) |
  436. (params->mac_addr[3] << 16) |
  437. (params->mac_addr[4] << 8) |
  438. params->mac_addr[5]);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  440. }
  441. static u8 bnx2x_emac_enable(struct link_params *params,
  442. struct link_vars *vars, u8 lb)
  443. {
  444. struct bnx2x *bp = params->bp;
  445. u8 port = params->port;
  446. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  447. u32 val;
  448. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  449. /* enable emac and not bmac */
  450. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  451. /* ASIC */
  452. if (vars->phy_flags & PHY_XGXS_FLAG) {
  453. u32 ser_lane = ((params->lane_config &
  454. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  455. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  456. DP(NETIF_MSG_LINK, "XGXS\n");
  457. /* select the master lanes (out of 0-3) */
  458. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  459. /* select XGXS */
  460. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  461. } else { /* SerDes */
  462. DP(NETIF_MSG_LINK, "SerDes\n");
  463. /* select SerDes */
  464. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  465. }
  466. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  467. EMAC_RX_MODE_RESET);
  468. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  469. EMAC_TX_MODE_RESET);
  470. if (CHIP_REV_IS_SLOW(bp)) {
  471. /* config GMII mode */
  472. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  473. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  474. } else { /* ASIC */
  475. /* pause enable/disable */
  476. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  477. EMAC_RX_MODE_FLOW_EN);
  478. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  479. (EMAC_TX_MODE_EXT_PAUSE_EN |
  480. EMAC_TX_MODE_FLOW_EN));
  481. if (!(params->feature_config_flags &
  482. FEATURE_CONFIG_PFC_ENABLED)) {
  483. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  484. bnx2x_bits_en(bp, emac_base +
  485. EMAC_REG_EMAC_RX_MODE,
  486. EMAC_RX_MODE_FLOW_EN);
  487. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  488. bnx2x_bits_en(bp, emac_base +
  489. EMAC_REG_EMAC_TX_MODE,
  490. (EMAC_TX_MODE_EXT_PAUSE_EN |
  491. EMAC_TX_MODE_FLOW_EN));
  492. } else
  493. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  494. EMAC_TX_MODE_FLOW_EN);
  495. }
  496. /* KEEP_VLAN_TAG, promiscuous */
  497. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  498. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  499. /*
  500. * Setting this bit causes MAC control frames (except for pause
  501. * frames) to be passed on for processing. This setting has no
  502. * affect on the operation of the pause frames. This bit effects
  503. * all packets regardless of RX Parser packet sorting logic.
  504. * Turn the PFC off to make sure we are in Xon state before
  505. * enabling it.
  506. */
  507. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  508. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  509. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  510. /* Enable PFC again */
  511. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  512. EMAC_REG_RX_PFC_MODE_RX_EN |
  513. EMAC_REG_RX_PFC_MODE_TX_EN |
  514. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  515. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  516. ((0x0101 <<
  517. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  518. (0x00ff <<
  519. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  520. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  521. }
  522. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  523. /* Set Loopback */
  524. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  525. if (lb)
  526. val |= 0x810;
  527. else
  528. val &= ~0x810;
  529. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  530. /* enable emac */
  531. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  532. /* enable emac for jumbo packets */
  533. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  534. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  535. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  536. /* strip CRC */
  537. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  538. /* disable the NIG in/out to the bmac */
  539. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  540. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  541. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  542. /* enable the NIG in/out to the emac */
  543. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  544. val = 0;
  545. if ((params->feature_config_flags &
  546. FEATURE_CONFIG_PFC_ENABLED) ||
  547. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  548. val = 1;
  549. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  550. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  551. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  552. vars->mac_type = MAC_TYPE_EMAC;
  553. return 0;
  554. }
  555. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  556. struct link_vars *vars)
  557. {
  558. u32 wb_data[2];
  559. struct bnx2x *bp = params->bp;
  560. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  561. NIG_REG_INGRESS_BMAC0_MEM;
  562. u32 val = 0x14;
  563. if ((!(params->feature_config_flags &
  564. FEATURE_CONFIG_PFC_ENABLED)) &&
  565. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  566. /* Enable BigMAC to react on received Pause packets */
  567. val |= (1<<5);
  568. wb_data[0] = val;
  569. wb_data[1] = 0;
  570. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  571. /* tx control */
  572. val = 0xc0;
  573. if (!(params->feature_config_flags &
  574. FEATURE_CONFIG_PFC_ENABLED) &&
  575. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  576. val |= 0x800000;
  577. wb_data[0] = val;
  578. wb_data[1] = 0;
  579. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  580. }
  581. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  582. struct link_vars *vars,
  583. u8 is_lb)
  584. {
  585. /*
  586. * Set rx control: Strip CRC and enable BigMAC to relay
  587. * control packets to the system as well
  588. */
  589. u32 wb_data[2];
  590. struct bnx2x *bp = params->bp;
  591. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  592. NIG_REG_INGRESS_BMAC0_MEM;
  593. u32 val = 0x14;
  594. if ((!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED)) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  597. /* Enable BigMAC to react on received Pause packets */
  598. val |= (1<<5);
  599. wb_data[0] = val;
  600. wb_data[1] = 0;
  601. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  602. udelay(30);
  603. /* Tx control */
  604. val = 0xc0;
  605. if (!(params->feature_config_flags &
  606. FEATURE_CONFIG_PFC_ENABLED) &&
  607. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  608. val |= 0x800000;
  609. wb_data[0] = val;
  610. wb_data[1] = 0;
  611. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  612. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  613. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  614. /* Enable PFC RX & TX & STATS and set 8 COS */
  615. wb_data[0] = 0x0;
  616. wb_data[0] |= (1<<0); /* RX */
  617. wb_data[0] |= (1<<1); /* TX */
  618. wb_data[0] |= (1<<2); /* Force initial Xon */
  619. wb_data[0] |= (1<<3); /* 8 cos */
  620. wb_data[0] |= (1<<5); /* STATS */
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  623. wb_data, 2);
  624. /* Clear the force Xon */
  625. wb_data[0] &= ~(1<<2);
  626. } else {
  627. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  628. /* disable PFC RX & TX & STATS and set 8 COS */
  629. wb_data[0] = 0x8;
  630. wb_data[1] = 0;
  631. }
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  633. /*
  634. * Set Time (based unit is 512 bit time) between automatic
  635. * re-sending of PP packets amd enable automatic re-send of
  636. * Per-Priroity Packet as long as pp_gen is asserted and
  637. * pp_disable is low.
  638. */
  639. val = 0x8000;
  640. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  641. val |= (1<<16); /* enable automatic re-send */
  642. wb_data[0] = val;
  643. wb_data[1] = 0;
  644. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  645. wb_data, 2);
  646. /* mac control */
  647. val = 0x3; /* Enable RX and TX */
  648. if (is_lb) {
  649. val |= 0x4; /* Local loopback */
  650. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  651. }
  652. /* When PFC enabled, Pass pause frames towards the NIG. */
  653. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  654. val |= ((1<<6)|(1<<5));
  655. wb_data[0] = val;
  656. wb_data[1] = 0;
  657. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  658. }
  659. static void bnx2x_update_pfc_brb(struct link_params *params,
  660. struct link_vars *vars,
  661. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  662. {
  663. struct bnx2x *bp = params->bp;
  664. int set_pfc = params->feature_config_flags &
  665. FEATURE_CONFIG_PFC_ENABLED;
  666. /* default - pause configuration */
  667. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  668. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  669. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  670. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  671. if (set_pfc && pfc_params)
  672. /* First COS */
  673. if (!pfc_params->cos0_pauseable) {
  674. pause_xoff_th =
  675. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  676. pause_xon_th =
  677. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  678. full_xoff_th =
  679. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  680. full_xon_th =
  681. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  682. }
  683. /*
  684. * The number of free blocks below which the pause signal to class 0
  685. * of MAC #n is asserted. n=0,1
  686. */
  687. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  688. /*
  689. * The number of free blocks above which the pause signal to class 0
  690. * of MAC #n is de-asserted. n=0,1
  691. */
  692. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  693. /*
  694. * The number of free blocks below which the full signal to class 0
  695. * of MAC #n is asserted. n=0,1
  696. */
  697. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  698. /*
  699. * The number of free blocks above which the full signal to class 0
  700. * of MAC #n is de-asserted. n=0,1
  701. */
  702. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  703. if (set_pfc && pfc_params) {
  704. /* Second COS */
  705. if (pfc_params->cos1_pauseable) {
  706. pause_xoff_th =
  707. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  708. pause_xon_th =
  709. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  710. full_xoff_th =
  711. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  712. full_xon_th =
  713. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  714. } else {
  715. pause_xoff_th =
  716. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  717. pause_xon_th =
  718. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  719. full_xoff_th =
  720. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  721. full_xon_th =
  722. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  723. }
  724. /*
  725. * The number of free blocks below which the pause signal to
  726. * class 1 of MAC #n is asserted. n=0,1
  727. */
  728. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  729. /*
  730. * The number of free blocks above which the pause signal to
  731. * class 1 of MAC #n is de-asserted. n=0,1
  732. */
  733. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  734. /*
  735. * The number of free blocks below which the full signal to
  736. * class 1 of MAC #n is asserted. n=0,1
  737. */
  738. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  739. /*
  740. * The number of free blocks above which the full signal to
  741. * class 1 of MAC #n is de-asserted. n=0,1
  742. */
  743. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  744. }
  745. }
  746. static void bnx2x_update_pfc_nig(struct link_params *params,
  747. struct link_vars *vars,
  748. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  749. {
  750. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  751. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  752. u32 pkt_priority_to_cos = 0;
  753. u32 val;
  754. struct bnx2x *bp = params->bp;
  755. int port = params->port;
  756. int set_pfc = params->feature_config_flags &
  757. FEATURE_CONFIG_PFC_ENABLED;
  758. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  759. /*
  760. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  761. * MAC control frames (that are not pause packets)
  762. * will be forwarded to the XCM.
  763. */
  764. xcm_mask = REG_RD(bp,
  765. port ? NIG_REG_LLH1_XCM_MASK :
  766. NIG_REG_LLH0_XCM_MASK);
  767. /*
  768. * nig params will override non PFC params, since it's possible to
  769. * do transition from PFC to SAFC
  770. */
  771. if (set_pfc) {
  772. pause_enable = 0;
  773. llfc_out_en = 0;
  774. llfc_enable = 0;
  775. ppp_enable = 1;
  776. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  777. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  778. xcm0_out_en = 0;
  779. p0_hwpfc_enable = 1;
  780. } else {
  781. if (nig_params) {
  782. llfc_out_en = nig_params->llfc_out_en;
  783. llfc_enable = nig_params->llfc_enable;
  784. pause_enable = nig_params->pause_enable;
  785. } else /*defaul non PFC mode - PAUSE */
  786. pause_enable = 1;
  787. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  788. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  789. xcm0_out_en = 1;
  790. }
  791. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  792. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  793. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  794. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  795. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  796. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  797. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  798. NIG_REG_PPP_ENABLE_0, ppp_enable);
  799. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  800. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  801. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  802. /* output enable for RX_XCM # IF */
  803. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  804. /* HW PFC TX enable */
  805. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  806. /* 0x2 = BMAC, 0x1= EMAC */
  807. switch (vars->mac_type) {
  808. case MAC_TYPE_EMAC:
  809. val = 1;
  810. break;
  811. case MAC_TYPE_BMAC:
  812. val = 0;
  813. break;
  814. default:
  815. val = 0;
  816. break;
  817. }
  818. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  819. if (nig_params) {
  820. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  821. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  822. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  823. nig_params->rx_cos0_priority_mask);
  824. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  825. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  826. nig_params->rx_cos1_priority_mask);
  827. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  828. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  829. nig_params->llfc_high_priority_classes);
  830. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  831. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  832. nig_params->llfc_low_priority_classes);
  833. }
  834. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  835. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  836. pkt_priority_to_cos);
  837. }
  838. void bnx2x_update_pfc(struct link_params *params,
  839. struct link_vars *vars,
  840. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  841. {
  842. /*
  843. * The PFC and pause are orthogonal to one another, meaning when
  844. * PFC is enabled, the pause are disabled, and when PFC is
  845. * disabled, pause are set according to the pause result.
  846. */
  847. u32 val;
  848. struct bnx2x *bp = params->bp;
  849. /* update NIG params */
  850. bnx2x_update_pfc_nig(params, vars, pfc_params);
  851. /* update BRB params */
  852. bnx2x_update_pfc_brb(params, vars, pfc_params);
  853. if (!vars->link_up)
  854. return;
  855. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  856. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  857. == 0) {
  858. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  859. bnx2x_emac_enable(params, vars, 0);
  860. return;
  861. }
  862. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  863. if (CHIP_IS_E2(bp))
  864. bnx2x_update_pfc_bmac2(params, vars, 0);
  865. else
  866. bnx2x_update_pfc_bmac1(params, vars);
  867. val = 0;
  868. if ((params->feature_config_flags &
  869. FEATURE_CONFIG_PFC_ENABLED) ||
  870. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  871. val = 1;
  872. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  873. }
  874. static u8 bnx2x_bmac1_enable(struct link_params *params,
  875. struct link_vars *vars,
  876. u8 is_lb)
  877. {
  878. struct bnx2x *bp = params->bp;
  879. u8 port = params->port;
  880. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  881. NIG_REG_INGRESS_BMAC0_MEM;
  882. u32 wb_data[2];
  883. u32 val;
  884. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  885. /* XGXS control */
  886. wb_data[0] = 0x3c;
  887. wb_data[1] = 0;
  888. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  889. wb_data, 2);
  890. /* tx MAC SA */
  891. wb_data[0] = ((params->mac_addr[2] << 24) |
  892. (params->mac_addr[3] << 16) |
  893. (params->mac_addr[4] << 8) |
  894. params->mac_addr[5]);
  895. wb_data[1] = ((params->mac_addr[0] << 8) |
  896. params->mac_addr[1]);
  897. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  898. /* mac control */
  899. val = 0x3;
  900. if (is_lb) {
  901. val |= 0x4;
  902. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  903. }
  904. wb_data[0] = val;
  905. wb_data[1] = 0;
  906. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  907. /* set rx mtu */
  908. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  909. wb_data[1] = 0;
  910. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  911. bnx2x_update_pfc_bmac1(params, vars);
  912. /* set tx mtu */
  913. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  914. wb_data[1] = 0;
  915. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  916. /* set cnt max size */
  917. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  918. wb_data[1] = 0;
  919. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  920. /* configure safc */
  921. wb_data[0] = 0x1000200;
  922. wb_data[1] = 0;
  923. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  924. wb_data, 2);
  925. return 0;
  926. }
  927. static u8 bnx2x_bmac2_enable(struct link_params *params,
  928. struct link_vars *vars,
  929. u8 is_lb)
  930. {
  931. struct bnx2x *bp = params->bp;
  932. u8 port = params->port;
  933. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  934. NIG_REG_INGRESS_BMAC0_MEM;
  935. u32 wb_data[2];
  936. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  937. wb_data[0] = 0;
  938. wb_data[1] = 0;
  939. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  940. udelay(30);
  941. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  942. wb_data[0] = 0x3c;
  943. wb_data[1] = 0;
  944. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  945. wb_data, 2);
  946. udelay(30);
  947. /* tx MAC SA */
  948. wb_data[0] = ((params->mac_addr[2] << 24) |
  949. (params->mac_addr[3] << 16) |
  950. (params->mac_addr[4] << 8) |
  951. params->mac_addr[5]);
  952. wb_data[1] = ((params->mac_addr[0] << 8) |
  953. params->mac_addr[1]);
  954. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  955. wb_data, 2);
  956. udelay(30);
  957. /* Configure SAFC */
  958. wb_data[0] = 0x1000200;
  959. wb_data[1] = 0;
  960. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  961. wb_data, 2);
  962. udelay(30);
  963. /* set rx mtu */
  964. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  965. wb_data[1] = 0;
  966. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  967. udelay(30);
  968. /* set tx mtu */
  969. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  970. wb_data[1] = 0;
  971. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  972. udelay(30);
  973. /* set cnt max size */
  974. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  975. wb_data[1] = 0;
  976. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  977. udelay(30);
  978. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  979. return 0;
  980. }
  981. static u8 bnx2x_bmac_enable(struct link_params *params,
  982. struct link_vars *vars,
  983. u8 is_lb)
  984. {
  985. u8 rc, port = params->port;
  986. struct bnx2x *bp = params->bp;
  987. u32 val;
  988. /* reset and unreset the BigMac */
  989. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  990. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  991. msleep(1);
  992. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  993. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  994. /* enable access for bmac registers */
  995. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  996. /* Enable BMAC according to BMAC type*/
  997. if (CHIP_IS_E2(bp))
  998. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  999. else
  1000. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1001. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1002. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1003. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1004. val = 0;
  1005. if ((params->feature_config_flags &
  1006. FEATURE_CONFIG_PFC_ENABLED) ||
  1007. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1008. val = 1;
  1009. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1010. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1011. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1012. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1013. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1014. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1015. vars->mac_type = MAC_TYPE_BMAC;
  1016. return rc;
  1017. }
  1018. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1019. {
  1020. struct bnx2x *bp = params->bp;
  1021. REG_WR(bp, params->shmem_base +
  1022. offsetof(struct shmem_region,
  1023. port_mb[params->port].link_status), link_status);
  1024. }
  1025. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1026. {
  1027. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1028. NIG_REG_INGRESS_BMAC0_MEM;
  1029. u32 wb_data[2];
  1030. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1031. /* Only if the bmac is out of reset */
  1032. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1033. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1034. nig_bmac_enable) {
  1035. if (CHIP_IS_E2(bp)) {
  1036. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1037. REG_RD_DMAE(bp, bmac_addr +
  1038. BIGMAC2_REGISTER_BMAC_CONTROL,
  1039. wb_data, 2);
  1040. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1041. REG_WR_DMAE(bp, bmac_addr +
  1042. BIGMAC2_REGISTER_BMAC_CONTROL,
  1043. wb_data, 2);
  1044. } else {
  1045. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1046. REG_RD_DMAE(bp, bmac_addr +
  1047. BIGMAC_REGISTER_BMAC_CONTROL,
  1048. wb_data, 2);
  1049. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1050. REG_WR_DMAE(bp, bmac_addr +
  1051. BIGMAC_REGISTER_BMAC_CONTROL,
  1052. wb_data, 2);
  1053. }
  1054. msleep(1);
  1055. }
  1056. }
  1057. static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1058. u32 line_speed)
  1059. {
  1060. struct bnx2x *bp = params->bp;
  1061. u8 port = params->port;
  1062. u32 init_crd, crd;
  1063. u32 count = 1000;
  1064. /* disable port */
  1065. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1066. /* wait for init credit */
  1067. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1068. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1069. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1070. while ((init_crd != crd) && count) {
  1071. msleep(5);
  1072. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1073. count--;
  1074. }
  1075. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1076. if (init_crd != crd) {
  1077. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1078. init_crd, crd);
  1079. return -EINVAL;
  1080. }
  1081. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1082. line_speed == SPEED_10 ||
  1083. line_speed == SPEED_100 ||
  1084. line_speed == SPEED_1000 ||
  1085. line_speed == SPEED_2500) {
  1086. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1087. /* update threshold */
  1088. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1089. /* update init credit */
  1090. init_crd = 778; /* (800-18-4) */
  1091. } else {
  1092. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1093. ETH_OVREHEAD)/16;
  1094. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1095. /* update threshold */
  1096. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1097. /* update init credit */
  1098. switch (line_speed) {
  1099. case SPEED_10000:
  1100. init_crd = thresh + 553 - 22;
  1101. break;
  1102. case SPEED_12000:
  1103. init_crd = thresh + 664 - 22;
  1104. break;
  1105. case SPEED_13000:
  1106. init_crd = thresh + 742 - 22;
  1107. break;
  1108. case SPEED_16000:
  1109. init_crd = thresh + 778 - 22;
  1110. break;
  1111. default:
  1112. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1113. line_speed);
  1114. return -EINVAL;
  1115. }
  1116. }
  1117. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1118. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1119. line_speed, init_crd);
  1120. /* probe the credit changes */
  1121. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1122. msleep(5);
  1123. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1124. /* enable port */
  1125. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1126. return 0;
  1127. }
  1128. /**
  1129. * bnx2x_get_emac_base - retrive emac base address
  1130. *
  1131. * @bp: driver handle
  1132. * @mdc_mdio_access: access type
  1133. * @port: port id
  1134. *
  1135. * This function selects the MDC/MDIO access (through emac0 or
  1136. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1137. * phy has a default access mode, which could also be overridden
  1138. * by nvram configuration. This parameter, whether this is the
  1139. * default phy configuration, or the nvram overrun
  1140. * configuration, is passed here as mdc_mdio_access and selects
  1141. * the emac_base for the CL45 read/writes operations
  1142. */
  1143. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1144. u32 mdc_mdio_access, u8 port)
  1145. {
  1146. u32 emac_base = 0;
  1147. switch (mdc_mdio_access) {
  1148. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1149. break;
  1150. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1151. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1152. emac_base = GRCBASE_EMAC1;
  1153. else
  1154. emac_base = GRCBASE_EMAC0;
  1155. break;
  1156. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1157. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1158. emac_base = GRCBASE_EMAC0;
  1159. else
  1160. emac_base = GRCBASE_EMAC1;
  1161. break;
  1162. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1163. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1164. break;
  1165. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1166. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1167. break;
  1168. default:
  1169. break;
  1170. }
  1171. return emac_base;
  1172. }
  1173. /******************************************************************/
  1174. /* CL45 access functions */
  1175. /******************************************************************/
  1176. static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1177. u8 devad, u16 reg, u16 val)
  1178. {
  1179. u32 tmp, saved_mode;
  1180. u8 i, rc = 0;
  1181. /*
  1182. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1183. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1184. */
  1185. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1186. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1187. EMAC_MDIO_MODE_CLOCK_CNT);
  1188. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1189. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1190. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1191. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1192. udelay(40);
  1193. /* address */
  1194. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1195. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1196. EMAC_MDIO_COMM_START_BUSY);
  1197. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1198. for (i = 0; i < 50; i++) {
  1199. udelay(10);
  1200. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1201. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1202. udelay(5);
  1203. break;
  1204. }
  1205. }
  1206. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1207. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1208. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1209. rc = -EFAULT;
  1210. } else {
  1211. /* data */
  1212. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1213. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1214. EMAC_MDIO_COMM_START_BUSY);
  1215. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1216. for (i = 0; i < 50; i++) {
  1217. udelay(10);
  1218. tmp = REG_RD(bp, phy->mdio_ctrl +
  1219. EMAC_REG_EMAC_MDIO_COMM);
  1220. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1221. udelay(5);
  1222. break;
  1223. }
  1224. }
  1225. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1226. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1227. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1228. rc = -EFAULT;
  1229. }
  1230. }
  1231. /* Restore the saved mode */
  1232. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1233. return rc;
  1234. }
  1235. static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1236. u8 devad, u16 reg, u16 *ret_val)
  1237. {
  1238. u32 val, saved_mode;
  1239. u16 i;
  1240. u8 rc = 0;
  1241. /*
  1242. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1243. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1244. */
  1245. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1246. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1247. EMAC_MDIO_MODE_CLOCK_CNT));
  1248. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1249. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1250. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1251. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1252. udelay(40);
  1253. /* address */
  1254. val = ((phy->addr << 21) | (devad << 16) | reg |
  1255. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1256. EMAC_MDIO_COMM_START_BUSY);
  1257. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1258. for (i = 0; i < 50; i++) {
  1259. udelay(10);
  1260. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1261. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1262. udelay(5);
  1263. break;
  1264. }
  1265. }
  1266. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1267. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1268. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1269. *ret_val = 0;
  1270. rc = -EFAULT;
  1271. } else {
  1272. /* data */
  1273. val = ((phy->addr << 21) | (devad << 16) |
  1274. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1275. EMAC_MDIO_COMM_START_BUSY);
  1276. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1277. for (i = 0; i < 50; i++) {
  1278. udelay(10);
  1279. val = REG_RD(bp, phy->mdio_ctrl +
  1280. EMAC_REG_EMAC_MDIO_COMM);
  1281. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1282. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1283. break;
  1284. }
  1285. }
  1286. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1287. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1288. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1289. *ret_val = 0;
  1290. rc = -EFAULT;
  1291. }
  1292. }
  1293. /* Restore the saved mode */
  1294. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1295. return rc;
  1296. }
  1297. u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1298. u8 devad, u16 reg, u16 *ret_val)
  1299. {
  1300. u8 phy_index;
  1301. /*
  1302. * Probe for the phy according to the given phy_addr, and execute
  1303. * the read request on it
  1304. */
  1305. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1306. if (params->phy[phy_index].addr == phy_addr) {
  1307. return bnx2x_cl45_read(params->bp,
  1308. &params->phy[phy_index], devad,
  1309. reg, ret_val);
  1310. }
  1311. }
  1312. return -EINVAL;
  1313. }
  1314. u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1315. u8 devad, u16 reg, u16 val)
  1316. {
  1317. u8 phy_index;
  1318. /*
  1319. * Probe for the phy according to the given phy_addr, and execute
  1320. * the write request on it
  1321. */
  1322. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1323. if (params->phy[phy_index].addr == phy_addr) {
  1324. return bnx2x_cl45_write(params->bp,
  1325. &params->phy[phy_index], devad,
  1326. reg, val);
  1327. }
  1328. }
  1329. return -EINVAL;
  1330. }
  1331. static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
  1332. struct bnx2x_phy *phy)
  1333. {
  1334. u32 ser_lane;
  1335. u16 offset, aer_val;
  1336. struct bnx2x *bp = params->bp;
  1337. ser_lane = ((params->lane_config &
  1338. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1339. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1340. offset = phy->addr + ser_lane;
  1341. if (CHIP_IS_E2(bp))
  1342. aer_val = 0x3800 + offset - 1;
  1343. else
  1344. aer_val = 0x3800 + offset;
  1345. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1346. MDIO_AER_BLOCK_AER_REG, aer_val);
  1347. }
  1348. static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
  1349. struct bnx2x_phy *phy)
  1350. {
  1351. CL22_WR_OVER_CL45(bp, phy,
  1352. MDIO_REG_BANK_AER_BLOCK,
  1353. MDIO_AER_BLOCK_AER_REG, 0x3800);
  1354. }
  1355. /******************************************************************/
  1356. /* Internal phy section */
  1357. /******************************************************************/
  1358. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1359. {
  1360. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1361. /* Set Clause 22 */
  1362. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1363. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1364. udelay(500);
  1365. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1366. udelay(500);
  1367. /* Set Clause 45 */
  1368. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1369. }
  1370. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1371. {
  1372. u32 val;
  1373. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1374. val = SERDES_RESET_BITS << (port*16);
  1375. /* reset and unreset the SerDes/XGXS */
  1376. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1377. udelay(500);
  1378. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1379. bnx2x_set_serdes_access(bp, port);
  1380. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1381. DEFAULT_PHY_DEV_ADDR);
  1382. }
  1383. static void bnx2x_xgxs_deassert(struct link_params *params)
  1384. {
  1385. struct bnx2x *bp = params->bp;
  1386. u8 port;
  1387. u32 val;
  1388. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1389. port = params->port;
  1390. val = XGXS_RESET_BITS << (port*16);
  1391. /* reset and unreset the SerDes/XGXS */
  1392. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1393. udelay(500);
  1394. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1395. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1396. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1397. params->phy[INT_PHY].def_md_devad);
  1398. }
  1399. void bnx2x_link_status_update(struct link_params *params,
  1400. struct link_vars *vars)
  1401. {
  1402. struct bnx2x *bp = params->bp;
  1403. u8 link_10g;
  1404. u8 port = params->port;
  1405. vars->link_status = REG_RD(bp, params->shmem_base +
  1406. offsetof(struct shmem_region,
  1407. port_mb[port].link_status));
  1408. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1409. if (vars->link_up) {
  1410. DP(NETIF_MSG_LINK, "phy link up\n");
  1411. vars->phy_link_up = 1;
  1412. vars->duplex = DUPLEX_FULL;
  1413. switch (vars->link_status &
  1414. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1415. case LINK_10THD:
  1416. vars->duplex = DUPLEX_HALF;
  1417. /* fall thru */
  1418. case LINK_10TFD:
  1419. vars->line_speed = SPEED_10;
  1420. break;
  1421. case LINK_100TXHD:
  1422. vars->duplex = DUPLEX_HALF;
  1423. /* fall thru */
  1424. case LINK_100T4:
  1425. case LINK_100TXFD:
  1426. vars->line_speed = SPEED_100;
  1427. break;
  1428. case LINK_1000THD:
  1429. vars->duplex = DUPLEX_HALF;
  1430. /* fall thru */
  1431. case LINK_1000TFD:
  1432. vars->line_speed = SPEED_1000;
  1433. break;
  1434. case LINK_2500THD:
  1435. vars->duplex = DUPLEX_HALF;
  1436. /* fall thru */
  1437. case LINK_2500TFD:
  1438. vars->line_speed = SPEED_2500;
  1439. break;
  1440. case LINK_10GTFD:
  1441. vars->line_speed = SPEED_10000;
  1442. break;
  1443. case LINK_12GTFD:
  1444. vars->line_speed = SPEED_12000;
  1445. break;
  1446. case LINK_12_5GTFD:
  1447. vars->line_speed = SPEED_12500;
  1448. break;
  1449. case LINK_13GTFD:
  1450. vars->line_speed = SPEED_13000;
  1451. break;
  1452. case LINK_15GTFD:
  1453. vars->line_speed = SPEED_15000;
  1454. break;
  1455. case LINK_16GTFD:
  1456. vars->line_speed = SPEED_16000;
  1457. break;
  1458. default:
  1459. break;
  1460. }
  1461. vars->flow_ctrl = 0;
  1462. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1463. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1464. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1465. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1466. if (!vars->flow_ctrl)
  1467. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1468. if (vars->line_speed &&
  1469. ((vars->line_speed == SPEED_10) ||
  1470. (vars->line_speed == SPEED_100))) {
  1471. vars->phy_flags |= PHY_SGMII_FLAG;
  1472. } else {
  1473. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1474. }
  1475. /* anything 10 and over uses the bmac */
  1476. link_10g = ((vars->line_speed == SPEED_10000) ||
  1477. (vars->line_speed == SPEED_12000) ||
  1478. (vars->line_speed == SPEED_12500) ||
  1479. (vars->line_speed == SPEED_13000) ||
  1480. (vars->line_speed == SPEED_15000) ||
  1481. (vars->line_speed == SPEED_16000));
  1482. if (link_10g)
  1483. vars->mac_type = MAC_TYPE_BMAC;
  1484. else
  1485. vars->mac_type = MAC_TYPE_EMAC;
  1486. } else { /* link down */
  1487. DP(NETIF_MSG_LINK, "phy link down\n");
  1488. vars->phy_link_up = 0;
  1489. vars->line_speed = 0;
  1490. vars->duplex = DUPLEX_FULL;
  1491. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1492. /* indicate no mac active */
  1493. vars->mac_type = MAC_TYPE_NONE;
  1494. }
  1495. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
  1496. vars->link_status, vars->phy_link_up);
  1497. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1498. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1499. }
  1500. static void bnx2x_set_master_ln(struct link_params *params,
  1501. struct bnx2x_phy *phy)
  1502. {
  1503. struct bnx2x *bp = params->bp;
  1504. u16 new_master_ln, ser_lane;
  1505. ser_lane = ((params->lane_config &
  1506. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1507. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1508. /* set the master_ln for AN */
  1509. CL22_RD_OVER_CL45(bp, phy,
  1510. MDIO_REG_BANK_XGXS_BLOCK2,
  1511. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1512. &new_master_ln);
  1513. CL22_WR_OVER_CL45(bp, phy,
  1514. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1515. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1516. (new_master_ln | ser_lane));
  1517. }
  1518. static u8 bnx2x_reset_unicore(struct link_params *params,
  1519. struct bnx2x_phy *phy,
  1520. u8 set_serdes)
  1521. {
  1522. struct bnx2x *bp = params->bp;
  1523. u16 mii_control;
  1524. u16 i;
  1525. CL22_RD_OVER_CL45(bp, phy,
  1526. MDIO_REG_BANK_COMBO_IEEE0,
  1527. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1528. /* reset the unicore */
  1529. CL22_WR_OVER_CL45(bp, phy,
  1530. MDIO_REG_BANK_COMBO_IEEE0,
  1531. MDIO_COMBO_IEEE0_MII_CONTROL,
  1532. (mii_control |
  1533. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1534. if (set_serdes)
  1535. bnx2x_set_serdes_access(bp, params->port);
  1536. /* wait for the reset to self clear */
  1537. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1538. udelay(5);
  1539. /* the reset erased the previous bank value */
  1540. CL22_RD_OVER_CL45(bp, phy,
  1541. MDIO_REG_BANK_COMBO_IEEE0,
  1542. MDIO_COMBO_IEEE0_MII_CONTROL,
  1543. &mii_control);
  1544. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1545. udelay(5);
  1546. return 0;
  1547. }
  1548. }
  1549. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1550. " Port %d\n",
  1551. params->port);
  1552. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1553. return -EINVAL;
  1554. }
  1555. static void bnx2x_set_swap_lanes(struct link_params *params,
  1556. struct bnx2x_phy *phy)
  1557. {
  1558. struct bnx2x *bp = params->bp;
  1559. /*
  1560. * Each two bits represents a lane number:
  1561. * No swap is 0123 => 0x1b no need to enable the swap
  1562. */
  1563. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1564. ser_lane = ((params->lane_config &
  1565. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1566. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1567. rx_lane_swap = ((params->lane_config &
  1568. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1569. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1570. tx_lane_swap = ((params->lane_config &
  1571. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1572. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1573. if (rx_lane_swap != 0x1b) {
  1574. CL22_WR_OVER_CL45(bp, phy,
  1575. MDIO_REG_BANK_XGXS_BLOCK2,
  1576. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1577. (rx_lane_swap |
  1578. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1579. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1580. } else {
  1581. CL22_WR_OVER_CL45(bp, phy,
  1582. MDIO_REG_BANK_XGXS_BLOCK2,
  1583. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1584. }
  1585. if (tx_lane_swap != 0x1b) {
  1586. CL22_WR_OVER_CL45(bp, phy,
  1587. MDIO_REG_BANK_XGXS_BLOCK2,
  1588. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1589. (tx_lane_swap |
  1590. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1591. } else {
  1592. CL22_WR_OVER_CL45(bp, phy,
  1593. MDIO_REG_BANK_XGXS_BLOCK2,
  1594. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1595. }
  1596. }
  1597. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1598. struct link_params *params)
  1599. {
  1600. struct bnx2x *bp = params->bp;
  1601. u16 control2;
  1602. CL22_RD_OVER_CL45(bp, phy,
  1603. MDIO_REG_BANK_SERDES_DIGITAL,
  1604. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1605. &control2);
  1606. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1607. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1608. else
  1609. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1610. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1611. phy->speed_cap_mask, control2);
  1612. CL22_WR_OVER_CL45(bp, phy,
  1613. MDIO_REG_BANK_SERDES_DIGITAL,
  1614. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1615. control2);
  1616. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1617. (phy->speed_cap_mask &
  1618. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1619. DP(NETIF_MSG_LINK, "XGXS\n");
  1620. CL22_WR_OVER_CL45(bp, phy,
  1621. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1622. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1623. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1624. CL22_RD_OVER_CL45(bp, phy,
  1625. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1626. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1627. &control2);
  1628. control2 |=
  1629. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1630. CL22_WR_OVER_CL45(bp, phy,
  1631. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1632. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1633. control2);
  1634. /* Disable parallel detection of HiG */
  1635. CL22_WR_OVER_CL45(bp, phy,
  1636. MDIO_REG_BANK_XGXS_BLOCK2,
  1637. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1638. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1639. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1640. }
  1641. }
  1642. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1643. struct link_params *params,
  1644. struct link_vars *vars,
  1645. u8 enable_cl73)
  1646. {
  1647. struct bnx2x *bp = params->bp;
  1648. u16 reg_val;
  1649. /* CL37 Autoneg */
  1650. CL22_RD_OVER_CL45(bp, phy,
  1651. MDIO_REG_BANK_COMBO_IEEE0,
  1652. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1653. /* CL37 Autoneg Enabled */
  1654. if (vars->line_speed == SPEED_AUTO_NEG)
  1655. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1656. else /* CL37 Autoneg Disabled */
  1657. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1658. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1659. CL22_WR_OVER_CL45(bp, phy,
  1660. MDIO_REG_BANK_COMBO_IEEE0,
  1661. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1662. /* Enable/Disable Autodetection */
  1663. CL22_RD_OVER_CL45(bp, phy,
  1664. MDIO_REG_BANK_SERDES_DIGITAL,
  1665. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1666. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1667. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1668. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1669. if (vars->line_speed == SPEED_AUTO_NEG)
  1670. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1671. else
  1672. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1673. CL22_WR_OVER_CL45(bp, phy,
  1674. MDIO_REG_BANK_SERDES_DIGITAL,
  1675. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1676. /* Enable TetonII and BAM autoneg */
  1677. CL22_RD_OVER_CL45(bp, phy,
  1678. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1679. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1680. &reg_val);
  1681. if (vars->line_speed == SPEED_AUTO_NEG) {
  1682. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1683. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1684. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1685. } else {
  1686. /* TetonII and BAM Autoneg Disabled */
  1687. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1688. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1689. }
  1690. CL22_WR_OVER_CL45(bp, phy,
  1691. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1692. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1693. reg_val);
  1694. if (enable_cl73) {
  1695. /* Enable Cl73 FSM status bits */
  1696. CL22_WR_OVER_CL45(bp, phy,
  1697. MDIO_REG_BANK_CL73_USERB0,
  1698. MDIO_CL73_USERB0_CL73_UCTRL,
  1699. 0xe);
  1700. /* Enable BAM Station Manager*/
  1701. CL22_WR_OVER_CL45(bp, phy,
  1702. MDIO_REG_BANK_CL73_USERB0,
  1703. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1704. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1705. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1706. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1707. /* Advertise CL73 link speeds */
  1708. CL22_RD_OVER_CL45(bp, phy,
  1709. MDIO_REG_BANK_CL73_IEEEB1,
  1710. MDIO_CL73_IEEEB1_AN_ADV2,
  1711. &reg_val);
  1712. if (phy->speed_cap_mask &
  1713. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1714. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1715. if (phy->speed_cap_mask &
  1716. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1717. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1718. CL22_WR_OVER_CL45(bp, phy,
  1719. MDIO_REG_BANK_CL73_IEEEB1,
  1720. MDIO_CL73_IEEEB1_AN_ADV2,
  1721. reg_val);
  1722. /* CL73 Autoneg Enabled */
  1723. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1724. } else /* CL73 Autoneg Disabled */
  1725. reg_val = 0;
  1726. CL22_WR_OVER_CL45(bp, phy,
  1727. MDIO_REG_BANK_CL73_IEEEB0,
  1728. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1729. }
  1730. /* program SerDes, forced speed */
  1731. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1732. struct link_params *params,
  1733. struct link_vars *vars)
  1734. {
  1735. struct bnx2x *bp = params->bp;
  1736. u16 reg_val;
  1737. /* program duplex, disable autoneg and sgmii*/
  1738. CL22_RD_OVER_CL45(bp, phy,
  1739. MDIO_REG_BANK_COMBO_IEEE0,
  1740. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1741. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1742. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1743. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1744. if (phy->req_duplex == DUPLEX_FULL)
  1745. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1746. CL22_WR_OVER_CL45(bp, phy,
  1747. MDIO_REG_BANK_COMBO_IEEE0,
  1748. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1749. /*
  1750. * program speed
  1751. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1752. */
  1753. CL22_RD_OVER_CL45(bp, phy,
  1754. MDIO_REG_BANK_SERDES_DIGITAL,
  1755. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1756. /* clearing the speed value before setting the right speed */
  1757. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1758. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1759. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1760. if (!((vars->line_speed == SPEED_1000) ||
  1761. (vars->line_speed == SPEED_100) ||
  1762. (vars->line_speed == SPEED_10))) {
  1763. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1764. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1765. if (vars->line_speed == SPEED_10000)
  1766. reg_val |=
  1767. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1768. if (vars->line_speed == SPEED_13000)
  1769. reg_val |=
  1770. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1771. }
  1772. CL22_WR_OVER_CL45(bp, phy,
  1773. MDIO_REG_BANK_SERDES_DIGITAL,
  1774. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1775. }
  1776. static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
  1777. struct link_params *params)
  1778. {
  1779. struct bnx2x *bp = params->bp;
  1780. u16 val = 0;
  1781. /* configure the 48 bits for BAM AN */
  1782. /* set extended capabilities */
  1783. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1784. val |= MDIO_OVER_1G_UP1_2_5G;
  1785. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1786. val |= MDIO_OVER_1G_UP1_10G;
  1787. CL22_WR_OVER_CL45(bp, phy,
  1788. MDIO_REG_BANK_OVER_1G,
  1789. MDIO_OVER_1G_UP1, val);
  1790. CL22_WR_OVER_CL45(bp, phy,
  1791. MDIO_REG_BANK_OVER_1G,
  1792. MDIO_OVER_1G_UP3, 0x400);
  1793. }
  1794. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1795. struct link_params *params, u16 *ieee_fc)
  1796. {
  1797. struct bnx2x *bp = params->bp;
  1798. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1799. /*
  1800. * Resolve pause mode and advertisement.
  1801. * Please refer to Table 28B-3 of the 802.3ab-1999 spec
  1802. */
  1803. switch (phy->req_flow_ctrl) {
  1804. case BNX2X_FLOW_CTRL_AUTO:
  1805. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1806. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1807. else
  1808. *ieee_fc |=
  1809. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1810. break;
  1811. case BNX2X_FLOW_CTRL_TX:
  1812. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1813. break;
  1814. case BNX2X_FLOW_CTRL_RX:
  1815. case BNX2X_FLOW_CTRL_BOTH:
  1816. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1817. break;
  1818. case BNX2X_FLOW_CTRL_NONE:
  1819. default:
  1820. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1821. break;
  1822. }
  1823. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1824. }
  1825. static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
  1826. struct link_params *params,
  1827. u16 ieee_fc)
  1828. {
  1829. struct bnx2x *bp = params->bp;
  1830. u16 val;
  1831. /* for AN, we are always publishing full duplex */
  1832. CL22_WR_OVER_CL45(bp, phy,
  1833. MDIO_REG_BANK_COMBO_IEEE0,
  1834. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1835. CL22_RD_OVER_CL45(bp, phy,
  1836. MDIO_REG_BANK_CL73_IEEEB1,
  1837. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1838. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1839. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1840. CL22_WR_OVER_CL45(bp, phy,
  1841. MDIO_REG_BANK_CL73_IEEEB1,
  1842. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1843. }
  1844. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1845. struct link_params *params,
  1846. u8 enable_cl73)
  1847. {
  1848. struct bnx2x *bp = params->bp;
  1849. u16 mii_control;
  1850. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1851. /* Enable and restart BAM/CL37 aneg */
  1852. if (enable_cl73) {
  1853. CL22_RD_OVER_CL45(bp, phy,
  1854. MDIO_REG_BANK_CL73_IEEEB0,
  1855. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1856. &mii_control);
  1857. CL22_WR_OVER_CL45(bp, phy,
  1858. MDIO_REG_BANK_CL73_IEEEB0,
  1859. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1860. (mii_control |
  1861. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1862. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1863. } else {
  1864. CL22_RD_OVER_CL45(bp, phy,
  1865. MDIO_REG_BANK_COMBO_IEEE0,
  1866. MDIO_COMBO_IEEE0_MII_CONTROL,
  1867. &mii_control);
  1868. DP(NETIF_MSG_LINK,
  1869. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1870. mii_control);
  1871. CL22_WR_OVER_CL45(bp, phy,
  1872. MDIO_REG_BANK_COMBO_IEEE0,
  1873. MDIO_COMBO_IEEE0_MII_CONTROL,
  1874. (mii_control |
  1875. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1876. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  1877. }
  1878. }
  1879. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  1880. struct link_params *params,
  1881. struct link_vars *vars)
  1882. {
  1883. struct bnx2x *bp = params->bp;
  1884. u16 control1;
  1885. /* in SGMII mode, the unicore is always slave */
  1886. CL22_RD_OVER_CL45(bp, phy,
  1887. MDIO_REG_BANK_SERDES_DIGITAL,
  1888. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1889. &control1);
  1890. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  1891. /* set sgmii mode (and not fiber) */
  1892. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  1893. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  1894. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  1895. CL22_WR_OVER_CL45(bp, phy,
  1896. MDIO_REG_BANK_SERDES_DIGITAL,
  1897. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1898. control1);
  1899. /* if forced speed */
  1900. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  1901. /* set speed, disable autoneg */
  1902. u16 mii_control;
  1903. CL22_RD_OVER_CL45(bp, phy,
  1904. MDIO_REG_BANK_COMBO_IEEE0,
  1905. MDIO_COMBO_IEEE0_MII_CONTROL,
  1906. &mii_control);
  1907. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1908. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  1909. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  1910. switch (vars->line_speed) {
  1911. case SPEED_100:
  1912. mii_control |=
  1913. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  1914. break;
  1915. case SPEED_1000:
  1916. mii_control |=
  1917. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  1918. break;
  1919. case SPEED_10:
  1920. /* there is nothing to set for 10M */
  1921. break;
  1922. default:
  1923. /* invalid speed for SGMII */
  1924. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1925. vars->line_speed);
  1926. break;
  1927. }
  1928. /* setting the full duplex */
  1929. if (phy->req_duplex == DUPLEX_FULL)
  1930. mii_control |=
  1931. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1932. CL22_WR_OVER_CL45(bp, phy,
  1933. MDIO_REG_BANK_COMBO_IEEE0,
  1934. MDIO_COMBO_IEEE0_MII_CONTROL,
  1935. mii_control);
  1936. } else { /* AN mode */
  1937. /* enable and restart AN */
  1938. bnx2x_restart_autoneg(phy, params, 0);
  1939. }
  1940. }
  1941. /*
  1942. * link management
  1943. */
  1944. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1945. { /* LD LP */
  1946. switch (pause_result) { /* ASYM P ASYM P */
  1947. case 0xb: /* 1 0 1 1 */
  1948. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1949. break;
  1950. case 0xe: /* 1 1 1 0 */
  1951. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1952. break;
  1953. case 0x5: /* 0 1 0 1 */
  1954. case 0x7: /* 0 1 1 1 */
  1955. case 0xd: /* 1 1 0 1 */
  1956. case 0xf: /* 1 1 1 1 */
  1957. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1958. break;
  1959. default:
  1960. break;
  1961. }
  1962. if (pause_result & (1<<0))
  1963. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1964. if (pause_result & (1<<1))
  1965. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1966. }
  1967. static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  1968. struct link_params *params)
  1969. {
  1970. struct bnx2x *bp = params->bp;
  1971. u16 pd_10g, status2_1000x;
  1972. if (phy->req_line_speed != SPEED_AUTO_NEG)
  1973. return 0;
  1974. CL22_RD_OVER_CL45(bp, phy,
  1975. MDIO_REG_BANK_SERDES_DIGITAL,
  1976. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1977. &status2_1000x);
  1978. CL22_RD_OVER_CL45(bp, phy,
  1979. MDIO_REG_BANK_SERDES_DIGITAL,
  1980. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1981. &status2_1000x);
  1982. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  1983. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  1984. params->port);
  1985. return 1;
  1986. }
  1987. CL22_RD_OVER_CL45(bp, phy,
  1988. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1989. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  1990. &pd_10g);
  1991. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  1992. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  1993. params->port);
  1994. return 1;
  1995. }
  1996. return 0;
  1997. }
  1998. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  1999. struct link_params *params,
  2000. struct link_vars *vars,
  2001. u32 gp_status)
  2002. {
  2003. struct bnx2x *bp = params->bp;
  2004. u16 ld_pause; /* local driver */
  2005. u16 lp_pause; /* link partner */
  2006. u16 pause_result;
  2007. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2008. /* resolve from gp_status in case of AN complete and not sgmii */
  2009. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2010. vars->flow_ctrl = phy->req_flow_ctrl;
  2011. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2012. vars->flow_ctrl = params->req_fc_auto_adv;
  2013. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2014. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2015. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2016. vars->flow_ctrl = params->req_fc_auto_adv;
  2017. return;
  2018. }
  2019. if ((gp_status &
  2020. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2021. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2022. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2023. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2024. CL22_RD_OVER_CL45(bp, phy,
  2025. MDIO_REG_BANK_CL73_IEEEB1,
  2026. MDIO_CL73_IEEEB1_AN_ADV1,
  2027. &ld_pause);
  2028. CL22_RD_OVER_CL45(bp, phy,
  2029. MDIO_REG_BANK_CL73_IEEEB1,
  2030. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2031. &lp_pause);
  2032. pause_result = (ld_pause &
  2033. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2034. >> 8;
  2035. pause_result |= (lp_pause &
  2036. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2037. >> 10;
  2038. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2039. pause_result);
  2040. } else {
  2041. CL22_RD_OVER_CL45(bp, phy,
  2042. MDIO_REG_BANK_COMBO_IEEE0,
  2043. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2044. &ld_pause);
  2045. CL22_RD_OVER_CL45(bp, phy,
  2046. MDIO_REG_BANK_COMBO_IEEE0,
  2047. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2048. &lp_pause);
  2049. pause_result = (ld_pause &
  2050. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2051. pause_result |= (lp_pause &
  2052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2053. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2054. pause_result);
  2055. }
  2056. bnx2x_pause_resolve(vars, pause_result);
  2057. }
  2058. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2059. }
  2060. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2061. struct link_params *params)
  2062. {
  2063. struct bnx2x *bp = params->bp;
  2064. u16 rx_status, ustat_val, cl37_fsm_recieved;
  2065. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2066. /* Step 1: Make sure signal is detected */
  2067. CL22_RD_OVER_CL45(bp, phy,
  2068. MDIO_REG_BANK_RX0,
  2069. MDIO_RX0_RX_STATUS,
  2070. &rx_status);
  2071. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2072. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2073. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2074. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2075. CL22_WR_OVER_CL45(bp, phy,
  2076. MDIO_REG_BANK_CL73_IEEEB0,
  2077. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2078. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2079. return;
  2080. }
  2081. /* Step 2: Check CL73 state machine */
  2082. CL22_RD_OVER_CL45(bp, phy,
  2083. MDIO_REG_BANK_CL73_USERB0,
  2084. MDIO_CL73_USERB0_CL73_USTAT1,
  2085. &ustat_val);
  2086. if ((ustat_val &
  2087. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2088. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2089. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2090. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2091. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2092. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2093. return;
  2094. }
  2095. /*
  2096. * Step 3: Check CL37 Message Pages received to indicate LP
  2097. * supports only CL37
  2098. */
  2099. CL22_RD_OVER_CL45(bp, phy,
  2100. MDIO_REG_BANK_REMOTE_PHY,
  2101. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2102. &cl37_fsm_recieved);
  2103. if ((cl37_fsm_recieved &
  2104. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2105. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2106. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2107. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2108. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2109. "misc_rx_status(0x8330) = 0x%x\n",
  2110. cl37_fsm_recieved);
  2111. return;
  2112. }
  2113. /*
  2114. * The combined cl37/cl73 fsm state information indicating that
  2115. * we are connected to a device which does not support cl73, but
  2116. * does support cl37 BAM. In this case we disable cl73 and
  2117. * restart cl37 auto-neg
  2118. */
  2119. /* Disable CL73 */
  2120. CL22_WR_OVER_CL45(bp, phy,
  2121. MDIO_REG_BANK_CL73_IEEEB0,
  2122. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2123. 0);
  2124. /* Restart CL37 autoneg */
  2125. bnx2x_restart_autoneg(phy, params, 0);
  2126. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2127. }
  2128. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2129. struct link_params *params,
  2130. struct link_vars *vars,
  2131. u32 gp_status)
  2132. {
  2133. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2134. vars->link_status |=
  2135. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2136. if (bnx2x_direct_parallel_detect_used(phy, params))
  2137. vars->link_status |=
  2138. LINK_STATUS_PARALLEL_DETECTION_USED;
  2139. }
  2140. static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2141. struct link_params *params,
  2142. struct link_vars *vars)
  2143. {
  2144. struct bnx2x *bp = params->bp;
  2145. u16 new_line_speed, gp_status;
  2146. u8 rc = 0;
  2147. /* Read gp_status */
  2148. CL22_RD_OVER_CL45(bp, phy,
  2149. MDIO_REG_BANK_GP_STATUS,
  2150. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2151. &gp_status);
  2152. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2153. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2154. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2155. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2156. gp_status);
  2157. vars->phy_link_up = 1;
  2158. vars->link_status |= LINK_STATUS_LINK_UP;
  2159. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2160. vars->duplex = DUPLEX_FULL;
  2161. else
  2162. vars->duplex = DUPLEX_HALF;
  2163. if (SINGLE_MEDIA_DIRECT(params)) {
  2164. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2165. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2166. bnx2x_xgxs_an_resolve(phy, params, vars,
  2167. gp_status);
  2168. }
  2169. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2170. case GP_STATUS_10M:
  2171. new_line_speed = SPEED_10;
  2172. if (vars->duplex == DUPLEX_FULL)
  2173. vars->link_status |= LINK_10TFD;
  2174. else
  2175. vars->link_status |= LINK_10THD;
  2176. break;
  2177. case GP_STATUS_100M:
  2178. new_line_speed = SPEED_100;
  2179. if (vars->duplex == DUPLEX_FULL)
  2180. vars->link_status |= LINK_100TXFD;
  2181. else
  2182. vars->link_status |= LINK_100TXHD;
  2183. break;
  2184. case GP_STATUS_1G:
  2185. case GP_STATUS_1G_KX:
  2186. new_line_speed = SPEED_1000;
  2187. if (vars->duplex == DUPLEX_FULL)
  2188. vars->link_status |= LINK_1000TFD;
  2189. else
  2190. vars->link_status |= LINK_1000THD;
  2191. break;
  2192. case GP_STATUS_2_5G:
  2193. new_line_speed = SPEED_2500;
  2194. if (vars->duplex == DUPLEX_FULL)
  2195. vars->link_status |= LINK_2500TFD;
  2196. else
  2197. vars->link_status |= LINK_2500THD;
  2198. break;
  2199. case GP_STATUS_5G:
  2200. case GP_STATUS_6G:
  2201. DP(NETIF_MSG_LINK,
  2202. "link speed unsupported gp_status 0x%x\n",
  2203. gp_status);
  2204. return -EINVAL;
  2205. case GP_STATUS_10G_KX4:
  2206. case GP_STATUS_10G_HIG:
  2207. case GP_STATUS_10G_CX4:
  2208. new_line_speed = SPEED_10000;
  2209. vars->link_status |= LINK_10GTFD;
  2210. break;
  2211. case GP_STATUS_12G_HIG:
  2212. new_line_speed = SPEED_12000;
  2213. vars->link_status |= LINK_12GTFD;
  2214. break;
  2215. case GP_STATUS_12_5G:
  2216. new_line_speed = SPEED_12500;
  2217. vars->link_status |= LINK_12_5GTFD;
  2218. break;
  2219. case GP_STATUS_13G:
  2220. new_line_speed = SPEED_13000;
  2221. vars->link_status |= LINK_13GTFD;
  2222. break;
  2223. case GP_STATUS_15G:
  2224. new_line_speed = SPEED_15000;
  2225. vars->link_status |= LINK_15GTFD;
  2226. break;
  2227. case GP_STATUS_16G:
  2228. new_line_speed = SPEED_16000;
  2229. vars->link_status |= LINK_16GTFD;
  2230. break;
  2231. default:
  2232. DP(NETIF_MSG_LINK,
  2233. "link speed unsupported gp_status 0x%x\n",
  2234. gp_status);
  2235. return -EINVAL;
  2236. }
  2237. vars->line_speed = new_line_speed;
  2238. } else { /* link_down */
  2239. DP(NETIF_MSG_LINK, "phy link down\n");
  2240. vars->phy_link_up = 0;
  2241. vars->duplex = DUPLEX_FULL;
  2242. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2243. vars->mac_type = MAC_TYPE_NONE;
  2244. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2245. SINGLE_MEDIA_DIRECT(params)) {
  2246. /* Check signal is detected */
  2247. bnx2x_check_fallback_to_cl37(phy, params);
  2248. }
  2249. }
  2250. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2251. gp_status, vars->phy_link_up, vars->line_speed);
  2252. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2253. vars->duplex, vars->flow_ctrl, vars->link_status);
  2254. return rc;
  2255. }
  2256. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2257. {
  2258. struct bnx2x *bp = params->bp;
  2259. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2260. u16 lp_up2;
  2261. u16 tx_driver;
  2262. u16 bank;
  2263. /* read precomp */
  2264. CL22_RD_OVER_CL45(bp, phy,
  2265. MDIO_REG_BANK_OVER_1G,
  2266. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2267. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2268. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2269. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2270. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2271. if (lp_up2 == 0)
  2272. return;
  2273. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2274. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2275. CL22_RD_OVER_CL45(bp, phy,
  2276. bank,
  2277. MDIO_TX0_TX_DRIVER, &tx_driver);
  2278. /* replace tx_driver bits [15:12] */
  2279. if (lp_up2 !=
  2280. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2281. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2282. tx_driver |= lp_up2;
  2283. CL22_WR_OVER_CL45(bp, phy,
  2284. bank,
  2285. MDIO_TX0_TX_DRIVER, tx_driver);
  2286. }
  2287. }
  2288. }
  2289. static u8 bnx2x_emac_program(struct link_params *params,
  2290. struct link_vars *vars)
  2291. {
  2292. struct bnx2x *bp = params->bp;
  2293. u8 port = params->port;
  2294. u16 mode = 0;
  2295. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2296. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2297. EMAC_REG_EMAC_MODE,
  2298. (EMAC_MODE_25G_MODE |
  2299. EMAC_MODE_PORT_MII_10M |
  2300. EMAC_MODE_HALF_DUPLEX));
  2301. switch (vars->line_speed) {
  2302. case SPEED_10:
  2303. mode |= EMAC_MODE_PORT_MII_10M;
  2304. break;
  2305. case SPEED_100:
  2306. mode |= EMAC_MODE_PORT_MII;
  2307. break;
  2308. case SPEED_1000:
  2309. mode |= EMAC_MODE_PORT_GMII;
  2310. break;
  2311. case SPEED_2500:
  2312. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2313. break;
  2314. default:
  2315. /* 10G not valid for EMAC */
  2316. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2317. vars->line_speed);
  2318. return -EINVAL;
  2319. }
  2320. if (vars->duplex == DUPLEX_HALF)
  2321. mode |= EMAC_MODE_HALF_DUPLEX;
  2322. bnx2x_bits_en(bp,
  2323. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2324. mode);
  2325. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2326. return 0;
  2327. }
  2328. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2329. struct link_params *params)
  2330. {
  2331. u16 bank, i = 0;
  2332. struct bnx2x *bp = params->bp;
  2333. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2334. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2335. CL22_WR_OVER_CL45(bp, phy,
  2336. bank,
  2337. MDIO_RX0_RX_EQ_BOOST,
  2338. phy->rx_preemphasis[i]);
  2339. }
  2340. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2341. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2342. CL22_WR_OVER_CL45(bp, phy,
  2343. bank,
  2344. MDIO_TX0_TX_DRIVER,
  2345. phy->tx_preemphasis[i]);
  2346. }
  2347. }
  2348. static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
  2349. struct link_params *params,
  2350. struct link_vars *vars)
  2351. {
  2352. struct bnx2x *bp = params->bp;
  2353. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2354. (params->loopback_mode == LOOPBACK_XGXS));
  2355. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2356. if (SINGLE_MEDIA_DIRECT(params) &&
  2357. (params->feature_config_flags &
  2358. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2359. bnx2x_set_preemphasis(phy, params);
  2360. /* forced speed requested? */
  2361. if (vars->line_speed != SPEED_AUTO_NEG ||
  2362. (SINGLE_MEDIA_DIRECT(params) &&
  2363. params->loopback_mode == LOOPBACK_EXT)) {
  2364. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2365. /* disable autoneg */
  2366. bnx2x_set_autoneg(phy, params, vars, 0);
  2367. /* program speed and duplex */
  2368. bnx2x_program_serdes(phy, params, vars);
  2369. } else { /* AN_mode */
  2370. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2371. /* AN enabled */
  2372. bnx2x_set_brcm_cl37_advertisment(phy, params);
  2373. /* program duplex & pause advertisement (for aneg) */
  2374. bnx2x_set_ieee_aneg_advertisment(phy, params,
  2375. vars->ieee_fc);
  2376. /* enable autoneg */
  2377. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2378. /* enable and restart AN */
  2379. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2380. }
  2381. } else { /* SGMII mode */
  2382. DP(NETIF_MSG_LINK, "SGMII\n");
  2383. bnx2x_initialize_sgmii_process(phy, params, vars);
  2384. }
  2385. }
  2386. static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
  2387. struct link_params *params,
  2388. struct link_vars *vars)
  2389. {
  2390. u8 rc;
  2391. vars->phy_flags |= PHY_SGMII_FLAG;
  2392. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2393. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2394. rc = bnx2x_reset_unicore(params, phy, 1);
  2395. /* reset the SerDes and wait for reset bit return low */
  2396. if (rc != 0)
  2397. return rc;
  2398. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2399. return rc;
  2400. }
  2401. static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
  2402. struct link_params *params,
  2403. struct link_vars *vars)
  2404. {
  2405. u8 rc;
  2406. vars->phy_flags = PHY_XGXS_FLAG;
  2407. if ((phy->req_line_speed &&
  2408. ((phy->req_line_speed == SPEED_100) ||
  2409. (phy->req_line_speed == SPEED_10))) ||
  2410. (!phy->req_line_speed &&
  2411. (phy->speed_cap_mask >=
  2412. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2413. (phy->speed_cap_mask <
  2414. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  2415. ))
  2416. vars->phy_flags |= PHY_SGMII_FLAG;
  2417. else
  2418. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2419. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2420. bnx2x_set_aer_mmd_xgxs(params, phy);
  2421. bnx2x_set_master_ln(params, phy);
  2422. rc = bnx2x_reset_unicore(params, phy, 0);
  2423. /* reset the SerDes and wait for reset bit return low */
  2424. if (rc != 0)
  2425. return rc;
  2426. bnx2x_set_aer_mmd_xgxs(params, phy);
  2427. /* setting the masterLn_def again after the reset */
  2428. bnx2x_set_master_ln(params, phy);
  2429. bnx2x_set_swap_lanes(params, phy);
  2430. return rc;
  2431. }
  2432. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2433. struct bnx2x_phy *phy,
  2434. struct link_params *params)
  2435. {
  2436. u16 cnt, ctrl;
  2437. /* Wait for soft reset to get cleared up to 1 sec */
  2438. for (cnt = 0; cnt < 1000; cnt++) {
  2439. bnx2x_cl45_read(bp, phy,
  2440. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2441. if (!(ctrl & (1<<15)))
  2442. break;
  2443. msleep(1);
  2444. }
  2445. if (cnt == 1000)
  2446. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2447. " Port %d\n",
  2448. params->port);
  2449. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2450. return cnt;
  2451. }
  2452. static void bnx2x_link_int_enable(struct link_params *params)
  2453. {
  2454. u8 port = params->port;
  2455. u32 mask;
  2456. struct bnx2x *bp = params->bp;
  2457. /* Setting the status to report on link up for either XGXS or SerDes */
  2458. if (params->switch_cfg == SWITCH_CFG_10G) {
  2459. mask = (NIG_MASK_XGXS0_LINK10G |
  2460. NIG_MASK_XGXS0_LINK_STATUS);
  2461. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2462. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2463. params->phy[INT_PHY].type !=
  2464. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2465. mask |= NIG_MASK_MI_INT;
  2466. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2467. }
  2468. } else { /* SerDes */
  2469. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2470. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2471. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2472. params->phy[INT_PHY].type !=
  2473. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2474. mask |= NIG_MASK_MI_INT;
  2475. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2476. }
  2477. }
  2478. bnx2x_bits_en(bp,
  2479. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2480. mask);
  2481. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2482. (params->switch_cfg == SWITCH_CFG_10G),
  2483. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2484. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2485. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2486. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2487. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2488. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2489. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2490. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2491. }
  2492. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2493. u8 exp_mi_int)
  2494. {
  2495. u32 latch_status = 0;
  2496. /*
  2497. * Disable the MI INT ( external phy int ) by writing 1 to the
  2498. * status register. Link down indication is high-active-signal,
  2499. * so in this case we need to write the status to clear the XOR
  2500. */
  2501. /* Read Latched signals */
  2502. latch_status = REG_RD(bp,
  2503. NIG_REG_LATCH_STATUS_0 + port*8);
  2504. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2505. /* Handle only those with latched-signal=up.*/
  2506. if (exp_mi_int)
  2507. bnx2x_bits_en(bp,
  2508. NIG_REG_STATUS_INTERRUPT_PORT0
  2509. + port*4,
  2510. NIG_STATUS_EMAC0_MI_INT);
  2511. else
  2512. bnx2x_bits_dis(bp,
  2513. NIG_REG_STATUS_INTERRUPT_PORT0
  2514. + port*4,
  2515. NIG_STATUS_EMAC0_MI_INT);
  2516. if (latch_status & 1) {
  2517. /* For all latched-signal=up : Re-Arm Latch signals */
  2518. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2519. (latch_status & 0xfffe) | (latch_status & 1));
  2520. }
  2521. /* For all latched-signal=up,Write original_signal to status */
  2522. }
  2523. static void bnx2x_link_int_ack(struct link_params *params,
  2524. struct link_vars *vars, u8 is_10g)
  2525. {
  2526. struct bnx2x *bp = params->bp;
  2527. u8 port = params->port;
  2528. /*
  2529. * First reset all status we assume only one line will be
  2530. * change at a time
  2531. */
  2532. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2533. (NIG_STATUS_XGXS0_LINK10G |
  2534. NIG_STATUS_XGXS0_LINK_STATUS |
  2535. NIG_STATUS_SERDES0_LINK_STATUS));
  2536. if (vars->phy_link_up) {
  2537. if (is_10g) {
  2538. /*
  2539. * Disable the 10G link interrupt by writing 1 to the
  2540. * status register
  2541. */
  2542. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2543. bnx2x_bits_en(bp,
  2544. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2545. NIG_STATUS_XGXS0_LINK10G);
  2546. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2547. /*
  2548. * Disable the link interrupt by writing 1 to the
  2549. * relevant lane in the status register
  2550. */
  2551. u32 ser_lane = ((params->lane_config &
  2552. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2553. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2554. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2555. vars->line_speed);
  2556. bnx2x_bits_en(bp,
  2557. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2558. ((1 << ser_lane) <<
  2559. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2560. } else { /* SerDes */
  2561. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2562. /*
  2563. * Disable the link interrupt by writing 1 to the status
  2564. * register
  2565. */
  2566. bnx2x_bits_en(bp,
  2567. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2568. NIG_STATUS_SERDES0_LINK_STATUS);
  2569. }
  2570. }
  2571. }
  2572. static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2573. {
  2574. u8 *str_ptr = str;
  2575. u32 mask = 0xf0000000;
  2576. u8 shift = 8*4;
  2577. u8 digit;
  2578. u8 remove_leading_zeros = 1;
  2579. if (*len < 10) {
  2580. /* Need more than 10chars for this format */
  2581. *str_ptr = '\0';
  2582. (*len)--;
  2583. return -EINVAL;
  2584. }
  2585. while (shift > 0) {
  2586. shift -= 4;
  2587. digit = ((num & mask) >> shift);
  2588. if (digit == 0 && remove_leading_zeros) {
  2589. mask = mask >> 4;
  2590. continue;
  2591. } else if (digit < 0xa)
  2592. *str_ptr = digit + '0';
  2593. else
  2594. *str_ptr = digit - 0xa + 'a';
  2595. remove_leading_zeros = 0;
  2596. str_ptr++;
  2597. (*len)--;
  2598. mask = mask >> 4;
  2599. if (shift == 4*4) {
  2600. *str_ptr = '.';
  2601. str_ptr++;
  2602. (*len)--;
  2603. remove_leading_zeros = 1;
  2604. }
  2605. }
  2606. return 0;
  2607. }
  2608. static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2609. {
  2610. str[0] = '\0';
  2611. (*len)--;
  2612. return 0;
  2613. }
  2614. u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2615. u8 *version, u16 len)
  2616. {
  2617. struct bnx2x *bp;
  2618. u32 spirom_ver = 0;
  2619. u8 status = 0;
  2620. u8 *ver_p = version;
  2621. u16 remain_len = len;
  2622. if (version == NULL || params == NULL)
  2623. return -EINVAL;
  2624. bp = params->bp;
  2625. /* Extract first external phy*/
  2626. version[0] = '\0';
  2627. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2628. if (params->phy[EXT_PHY1].format_fw_ver) {
  2629. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2630. ver_p,
  2631. &remain_len);
  2632. ver_p += (len - remain_len);
  2633. }
  2634. if ((params->num_phys == MAX_PHYS) &&
  2635. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2636. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2637. if (params->phy[EXT_PHY2].format_fw_ver) {
  2638. *ver_p = '/';
  2639. ver_p++;
  2640. remain_len--;
  2641. status |= params->phy[EXT_PHY2].format_fw_ver(
  2642. spirom_ver,
  2643. ver_p,
  2644. &remain_len);
  2645. ver_p = version + (len - remain_len);
  2646. }
  2647. }
  2648. *ver_p = '\0';
  2649. return status;
  2650. }
  2651. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2652. struct link_params *params)
  2653. {
  2654. u8 port = params->port;
  2655. struct bnx2x *bp = params->bp;
  2656. if (phy->req_line_speed != SPEED_1000) {
  2657. u32 md_devad;
  2658. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2659. /* change the uni_phy_addr in the nig */
  2660. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2661. port*0x18));
  2662. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2663. bnx2x_cl45_write(bp, phy,
  2664. 5,
  2665. (MDIO_REG_BANK_AER_BLOCK +
  2666. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2667. 0x2800);
  2668. bnx2x_cl45_write(bp, phy,
  2669. 5,
  2670. (MDIO_REG_BANK_CL73_IEEEB0 +
  2671. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2672. 0x6041);
  2673. msleep(200);
  2674. /* set aer mmd back */
  2675. bnx2x_set_aer_mmd_xgxs(params, phy);
  2676. /* and md_devad */
  2677. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2678. } else {
  2679. u16 mii_ctrl;
  2680. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2681. bnx2x_cl45_read(bp, phy, 5,
  2682. (MDIO_REG_BANK_COMBO_IEEE0 +
  2683. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2684. &mii_ctrl);
  2685. bnx2x_cl45_write(bp, phy, 5,
  2686. (MDIO_REG_BANK_COMBO_IEEE0 +
  2687. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2688. mii_ctrl |
  2689. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2690. }
  2691. }
  2692. u8 bnx2x_set_led(struct link_params *params,
  2693. struct link_vars *vars, u8 mode, u32 speed)
  2694. {
  2695. u8 port = params->port;
  2696. u16 hw_led_mode = params->hw_led_mode;
  2697. u8 rc = 0, phy_idx;
  2698. u32 tmp;
  2699. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2700. struct bnx2x *bp = params->bp;
  2701. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2702. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2703. speed, hw_led_mode);
  2704. /* In case */
  2705. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2706. if (params->phy[phy_idx].set_link_led) {
  2707. params->phy[phy_idx].set_link_led(
  2708. &params->phy[phy_idx], params, mode);
  2709. }
  2710. }
  2711. switch (mode) {
  2712. case LED_MODE_FRONT_PANEL_OFF:
  2713. case LED_MODE_OFF:
  2714. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2715. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2716. SHARED_HW_CFG_LED_MAC1);
  2717. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2718. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2719. break;
  2720. case LED_MODE_OPER:
  2721. /*
  2722. * For all other phys, OPER mode is same as ON, so in case
  2723. * link is down, do nothing
  2724. */
  2725. if (!vars->link_up)
  2726. break;
  2727. case LED_MODE_ON:
  2728. if (((params->phy[EXT_PHY1].type ==
  2729. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2730. (params->phy[EXT_PHY1].type ==
  2731. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2732. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2733. /*
  2734. * This is a work-around for E2+8727 Configurations
  2735. */
  2736. if (mode == LED_MODE_ON ||
  2737. speed == SPEED_10000){
  2738. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2739. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2740. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2741. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2742. (tmp | EMAC_LED_OVERRIDE));
  2743. return rc;
  2744. }
  2745. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2746. /*
  2747. * This is a work-around for HW issue found when link
  2748. * is up in CL73
  2749. */
  2750. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2751. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2752. } else {
  2753. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2754. }
  2755. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2756. /* Set blinking rate to ~15.9Hz */
  2757. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2758. LED_BLINK_RATE_VAL);
  2759. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2760. port*4, 1);
  2761. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2762. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2763. if (CHIP_IS_E1(bp) &&
  2764. ((speed == SPEED_2500) ||
  2765. (speed == SPEED_1000) ||
  2766. (speed == SPEED_100) ||
  2767. (speed == SPEED_10))) {
  2768. /*
  2769. * On Everest 1 Ax chip versions for speeds less than
  2770. * 10G LED scheme is different
  2771. */
  2772. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2773. + port*4, 1);
  2774. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2775. port*4, 0);
  2776. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2777. port*4, 1);
  2778. }
  2779. break;
  2780. default:
  2781. rc = -EINVAL;
  2782. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2783. mode);
  2784. break;
  2785. }
  2786. return rc;
  2787. }
  2788. /*
  2789. * This function comes to reflect the actual link state read DIRECTLY from the
  2790. * HW
  2791. */
  2792. u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2793. u8 is_serdes)
  2794. {
  2795. struct bnx2x *bp = params->bp;
  2796. u16 gp_status = 0, phy_index = 0;
  2797. u8 ext_phy_link_up = 0, serdes_phy_type;
  2798. struct link_vars temp_vars;
  2799. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2800. MDIO_REG_BANK_GP_STATUS,
  2801. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2802. &gp_status);
  2803. /* link is up only if both local phy and external phy are up */
  2804. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2805. return -ESRCH;
  2806. switch (params->num_phys) {
  2807. case 1:
  2808. /* No external PHY */
  2809. return 0;
  2810. case 2:
  2811. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2812. &params->phy[EXT_PHY1],
  2813. params, &temp_vars);
  2814. break;
  2815. case 3: /* Dual Media */
  2816. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2817. phy_index++) {
  2818. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2819. ETH_PHY_SFP_FIBER) ||
  2820. (params->phy[phy_index].media_type ==
  2821. ETH_PHY_XFP_FIBER));
  2822. if (is_serdes != serdes_phy_type)
  2823. continue;
  2824. if (params->phy[phy_index].read_status) {
  2825. ext_phy_link_up |=
  2826. params->phy[phy_index].read_status(
  2827. &params->phy[phy_index],
  2828. params, &temp_vars);
  2829. }
  2830. }
  2831. break;
  2832. }
  2833. if (ext_phy_link_up)
  2834. return 0;
  2835. return -ESRCH;
  2836. }
  2837. static u8 bnx2x_link_initialize(struct link_params *params,
  2838. struct link_vars *vars)
  2839. {
  2840. u8 rc = 0;
  2841. u8 phy_index, non_ext_phy;
  2842. struct bnx2x *bp = params->bp;
  2843. /*
  2844. * In case of external phy existence, the line speed would be the
  2845. * line speed linked up by the external phy. In case it is direct
  2846. * only, then the line_speed during initialization will be
  2847. * equal to the req_line_speed
  2848. */
  2849. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2850. /*
  2851. * Initialize the internal phy in case this is a direct board
  2852. * (no external phys), or this board has external phy which requires
  2853. * to first.
  2854. */
  2855. if (params->phy[INT_PHY].config_init)
  2856. params->phy[INT_PHY].config_init(
  2857. &params->phy[INT_PHY],
  2858. params, vars);
  2859. /* init ext phy and enable link state int */
  2860. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2861. (params->loopback_mode == LOOPBACK_XGXS));
  2862. if (non_ext_phy ||
  2863. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2864. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2865. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2866. if (vars->line_speed == SPEED_AUTO_NEG)
  2867. bnx2x_set_parallel_detection(phy, params);
  2868. bnx2x_init_internal_phy(phy, params, vars);
  2869. }
  2870. /* Init external phy*/
  2871. if (!non_ext_phy)
  2872. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2873. phy_index++) {
  2874. /*
  2875. * No need to initialize second phy in case of first
  2876. * phy only selection. In case of second phy, we do
  2877. * need to initialize the first phy, since they are
  2878. * connected.
  2879. */
  2880. if (phy_index == EXT_PHY2 &&
  2881. (bnx2x_phy_selection(params) ==
  2882. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2883. DP(NETIF_MSG_LINK, "Ignoring second phy\n");
  2884. continue;
  2885. }
  2886. params->phy[phy_index].config_init(
  2887. &params->phy[phy_index],
  2888. params, vars);
  2889. }
  2890. /* Reset the interrupt indication after phy was initialized */
  2891. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2892. params->port*4,
  2893. (NIG_STATUS_XGXS0_LINK10G |
  2894. NIG_STATUS_XGXS0_LINK_STATUS |
  2895. NIG_STATUS_SERDES0_LINK_STATUS |
  2896. NIG_MASK_MI_INT));
  2897. return rc;
  2898. }
  2899. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  2900. struct link_params *params)
  2901. {
  2902. /* reset the SerDes/XGXS */
  2903. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  2904. (0x1ff << (params->port*16)));
  2905. }
  2906. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  2907. struct link_params *params)
  2908. {
  2909. struct bnx2x *bp = params->bp;
  2910. u8 gpio_port;
  2911. /* HW reset */
  2912. if (CHIP_IS_E2(bp))
  2913. gpio_port = BP_PATH(bp);
  2914. else
  2915. gpio_port = params->port;
  2916. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  2917. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2918. gpio_port);
  2919. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  2920. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2921. gpio_port);
  2922. DP(NETIF_MSG_LINK, "reset external PHY\n");
  2923. }
  2924. static u8 bnx2x_update_link_down(struct link_params *params,
  2925. struct link_vars *vars)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. u8 port = params->port;
  2929. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  2930. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  2931. /* indicate no mac active */
  2932. vars->mac_type = MAC_TYPE_NONE;
  2933. /* update shared memory */
  2934. vars->link_status = 0;
  2935. vars->line_speed = 0;
  2936. bnx2x_update_mng(params, vars->link_status);
  2937. /* activate nig drain */
  2938. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  2939. /* disable emac */
  2940. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  2941. msleep(10);
  2942. /* reset BigMac */
  2943. bnx2x_bmac_rx_disable(bp, params->port);
  2944. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2945. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2946. return 0;
  2947. }
  2948. static u8 bnx2x_update_link_up(struct link_params *params,
  2949. struct link_vars *vars,
  2950. u8 link_10g)
  2951. {
  2952. struct bnx2x *bp = params->bp;
  2953. u8 port = params->port;
  2954. u8 rc = 0;
  2955. vars->link_status |= LINK_STATUS_LINK_UP;
  2956. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  2957. vars->link_status |=
  2958. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  2959. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  2960. vars->link_status |=
  2961. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  2962. if (link_10g) {
  2963. bnx2x_bmac_enable(params, vars, 0);
  2964. bnx2x_set_led(params, vars,
  2965. LED_MODE_OPER, SPEED_10000);
  2966. } else {
  2967. rc = bnx2x_emac_program(params, vars);
  2968. bnx2x_emac_enable(params, vars, 0);
  2969. /* AN complete? */
  2970. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  2971. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  2972. SINGLE_MEDIA_DIRECT(params))
  2973. bnx2x_set_gmii_tx_driver(params);
  2974. }
  2975. /* PBF - link up */
  2976. if (!(CHIP_IS_E2(bp)))
  2977. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  2978. vars->line_speed);
  2979. /* disable drain */
  2980. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  2981. /* update shared memory */
  2982. bnx2x_update_mng(params, vars->link_status);
  2983. msleep(20);
  2984. return rc;
  2985. }
  2986. /*
  2987. * The bnx2x_link_update function should be called upon link
  2988. * interrupt.
  2989. * Link is considered up as follows:
  2990. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  2991. * to be up
  2992. * - SINGLE_MEDIA - The link between the 577xx and the external
  2993. * phy (XGXS) need to up as well as the external link of the
  2994. * phy (PHY_EXT1)
  2995. * - DUAL_MEDIA - The link between the 577xx and the first
  2996. * external phy needs to be up, and at least one of the 2
  2997. * external phy link must be up.
  2998. */
  2999. u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3000. {
  3001. struct bnx2x *bp = params->bp;
  3002. struct link_vars phy_vars[MAX_PHYS];
  3003. u8 port = params->port;
  3004. u8 link_10g, phy_index;
  3005. u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
  3006. u8 is_mi_int = 0;
  3007. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3008. u8 active_external_phy = INT_PHY;
  3009. vars->link_status = 0;
  3010. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3011. phy_index++) {
  3012. phy_vars[phy_index].flow_ctrl = 0;
  3013. phy_vars[phy_index].link_status = 0;
  3014. phy_vars[phy_index].line_speed = 0;
  3015. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3016. phy_vars[phy_index].phy_link_up = 0;
  3017. phy_vars[phy_index].link_up = 0;
  3018. }
  3019. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3020. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3021. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3022. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3023. port*0x18) > 0);
  3024. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3025. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3026. is_mi_int,
  3027. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3028. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3029. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3030. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3031. /* disable emac */
  3032. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3033. /*
  3034. * Step 1:
  3035. * Check external link change only for external phys, and apply
  3036. * priority selection between them in case the link on both phys
  3037. * is up. Note that the instead of the common vars, a temporary
  3038. * vars argument is used since each phy may have different link/
  3039. * speed/duplex result
  3040. */
  3041. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3042. phy_index++) {
  3043. struct bnx2x_phy *phy = &params->phy[phy_index];
  3044. if (!phy->read_status)
  3045. continue;
  3046. /* Read link status and params of this ext phy */
  3047. cur_link_up = phy->read_status(phy, params,
  3048. &phy_vars[phy_index]);
  3049. if (cur_link_up) {
  3050. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3051. phy_index);
  3052. } else {
  3053. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3054. phy_index);
  3055. continue;
  3056. }
  3057. if (!ext_phy_link_up) {
  3058. ext_phy_link_up = 1;
  3059. active_external_phy = phy_index;
  3060. } else {
  3061. switch (bnx2x_phy_selection(params)) {
  3062. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3063. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3064. /*
  3065. * In this option, the first PHY makes sure to pass the
  3066. * traffic through itself only.
  3067. * Its not clear how to reset the link on the second phy
  3068. */
  3069. active_external_phy = EXT_PHY1;
  3070. break;
  3071. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3072. /*
  3073. * In this option, the first PHY makes sure to pass the
  3074. * traffic through the second PHY.
  3075. */
  3076. active_external_phy = EXT_PHY2;
  3077. break;
  3078. default:
  3079. /*
  3080. * Link indication on both PHYs with the following cases
  3081. * is invalid:
  3082. * - FIRST_PHY means that second phy wasn't initialized,
  3083. * hence its link is expected to be down
  3084. * - SECOND_PHY means that first phy should not be able
  3085. * to link up by itself (using configuration)
  3086. * - DEFAULT should be overriden during initialiazation
  3087. */
  3088. DP(NETIF_MSG_LINK, "Invalid link indication"
  3089. "mpc=0x%x. DISABLING LINK !!!\n",
  3090. params->multi_phy_config);
  3091. ext_phy_link_up = 0;
  3092. break;
  3093. }
  3094. }
  3095. }
  3096. prev_line_speed = vars->line_speed;
  3097. /*
  3098. * Step 2:
  3099. * Read the status of the internal phy. In case of
  3100. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3101. * otherwise this is the link between the 577xx and the first
  3102. * external phy
  3103. */
  3104. if (params->phy[INT_PHY].read_status)
  3105. params->phy[INT_PHY].read_status(
  3106. &params->phy[INT_PHY],
  3107. params, vars);
  3108. /*
  3109. * The INT_PHY flow control reside in the vars. This include the
  3110. * case where the speed or flow control are not set to AUTO.
  3111. * Otherwise, the active external phy flow control result is set
  3112. * to the vars. The ext_phy_line_speed is needed to check if the
  3113. * speed is different between the internal phy and external phy.
  3114. * This case may be result of intermediate link speed change.
  3115. */
  3116. if (active_external_phy > INT_PHY) {
  3117. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3118. /*
  3119. * Link speed is taken from the XGXS. AN and FC result from
  3120. * the external phy.
  3121. */
  3122. vars->link_status |= phy_vars[active_external_phy].link_status;
  3123. /*
  3124. * if active_external_phy is first PHY and link is up - disable
  3125. * disable TX on second external PHY
  3126. */
  3127. if (active_external_phy == EXT_PHY1) {
  3128. if (params->phy[EXT_PHY2].phy_specific_func) {
  3129. DP(NETIF_MSG_LINK, "Disabling TX on"
  3130. " EXT_PHY2\n");
  3131. params->phy[EXT_PHY2].phy_specific_func(
  3132. &params->phy[EXT_PHY2],
  3133. params, DISABLE_TX);
  3134. }
  3135. }
  3136. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3137. vars->duplex = phy_vars[active_external_phy].duplex;
  3138. if (params->phy[active_external_phy].supported &
  3139. SUPPORTED_FIBRE)
  3140. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3141. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3142. active_external_phy);
  3143. }
  3144. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3145. phy_index++) {
  3146. if (params->phy[phy_index].flags &
  3147. FLAGS_REARM_LATCH_SIGNAL) {
  3148. bnx2x_rearm_latch_signal(bp, port,
  3149. phy_index ==
  3150. active_external_phy);
  3151. break;
  3152. }
  3153. }
  3154. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3155. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3156. vars->link_status, ext_phy_line_speed);
  3157. /*
  3158. * Upon link speed change set the NIG into drain mode. Comes to
  3159. * deals with possible FIFO glitch due to clk change when speed
  3160. * is decreased without link down indicator
  3161. */
  3162. if (vars->phy_link_up) {
  3163. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3164. (ext_phy_line_speed != vars->line_speed)) {
  3165. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3166. " different than the external"
  3167. " link speed %d\n", vars->line_speed,
  3168. ext_phy_line_speed);
  3169. vars->phy_link_up = 0;
  3170. } else if (prev_line_speed != vars->line_speed) {
  3171. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3172. 0);
  3173. msleep(1);
  3174. }
  3175. }
  3176. /* anything 10 and over uses the bmac */
  3177. link_10g = ((vars->line_speed == SPEED_10000) ||
  3178. (vars->line_speed == SPEED_12000) ||
  3179. (vars->line_speed == SPEED_12500) ||
  3180. (vars->line_speed == SPEED_13000) ||
  3181. (vars->line_speed == SPEED_15000) ||
  3182. (vars->line_speed == SPEED_16000));
  3183. bnx2x_link_int_ack(params, vars, link_10g);
  3184. /*
  3185. * In case external phy link is up, and internal link is down
  3186. * (not initialized yet probably after link initialization, it
  3187. * needs to be initialized.
  3188. * Note that after link down-up as result of cable plug, the xgxs
  3189. * link would probably become up again without the need
  3190. * initialize it
  3191. */
  3192. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3193. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3194. " init_preceding = %d\n", ext_phy_link_up,
  3195. vars->phy_link_up,
  3196. params->phy[EXT_PHY1].flags &
  3197. FLAGS_INIT_XGXS_FIRST);
  3198. if (!(params->phy[EXT_PHY1].flags &
  3199. FLAGS_INIT_XGXS_FIRST)
  3200. && ext_phy_link_up && !vars->phy_link_up) {
  3201. vars->line_speed = ext_phy_line_speed;
  3202. if (vars->line_speed < SPEED_1000)
  3203. vars->phy_flags |= PHY_SGMII_FLAG;
  3204. else
  3205. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3206. bnx2x_init_internal_phy(&params->phy[INT_PHY],
  3207. params,
  3208. vars);
  3209. }
  3210. }
  3211. /*
  3212. * Link is up only if both local phy and external phy (in case of
  3213. * non-direct board) are up
  3214. */
  3215. vars->link_up = (vars->phy_link_up &&
  3216. (ext_phy_link_up ||
  3217. SINGLE_MEDIA_DIRECT(params)));
  3218. if (vars->link_up)
  3219. rc = bnx2x_update_link_up(params, vars, link_10g);
  3220. else
  3221. rc = bnx2x_update_link_down(params, vars);
  3222. return rc;
  3223. }
  3224. /*****************************************************************************/
  3225. /* External Phy section */
  3226. /*****************************************************************************/
  3227. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3228. {
  3229. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3230. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3231. msleep(1);
  3232. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3233. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3234. }
  3235. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3236. u32 spirom_ver, u32 ver_addr)
  3237. {
  3238. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3239. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3240. if (ver_addr)
  3241. REG_WR(bp, ver_addr, spirom_ver);
  3242. }
  3243. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3244. struct bnx2x_phy *phy,
  3245. u8 port)
  3246. {
  3247. u16 fw_ver1, fw_ver2;
  3248. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3249. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3250. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3251. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3252. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3253. phy->ver_addr);
  3254. }
  3255. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3256. struct bnx2x_phy *phy,
  3257. struct link_vars *vars)
  3258. {
  3259. u16 val;
  3260. struct bnx2x *bp = params->bp;
  3261. /* read modify write pause advertizing */
  3262. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3263. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3264. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3265. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3266. if ((vars->ieee_fc &
  3267. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3268. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3269. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3270. }
  3271. if ((vars->ieee_fc &
  3272. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3273. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3274. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3275. }
  3276. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3277. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3278. }
  3279. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3280. struct link_params *params,
  3281. struct link_vars *vars)
  3282. {
  3283. struct bnx2x *bp = params->bp;
  3284. u16 ld_pause; /* local */
  3285. u16 lp_pause; /* link partner */
  3286. u16 pause_result;
  3287. u8 ret = 0;
  3288. /* read twice */
  3289. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3290. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3291. vars->flow_ctrl = phy->req_flow_ctrl;
  3292. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3293. vars->flow_ctrl = params->req_fc_auto_adv;
  3294. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3295. ret = 1;
  3296. bnx2x_cl45_read(bp, phy,
  3297. MDIO_AN_DEVAD,
  3298. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3299. bnx2x_cl45_read(bp, phy,
  3300. MDIO_AN_DEVAD,
  3301. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3302. pause_result = (ld_pause &
  3303. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3304. pause_result |= (lp_pause &
  3305. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3306. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3307. pause_result);
  3308. bnx2x_pause_resolve(vars, pause_result);
  3309. }
  3310. return ret;
  3311. }
  3312. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3313. struct bnx2x_phy *phy,
  3314. struct link_vars *vars)
  3315. {
  3316. u16 val;
  3317. bnx2x_cl45_read(bp, phy,
  3318. MDIO_AN_DEVAD,
  3319. MDIO_AN_REG_STATUS, &val);
  3320. bnx2x_cl45_read(bp, phy,
  3321. MDIO_AN_DEVAD,
  3322. MDIO_AN_REG_STATUS, &val);
  3323. if (val & (1<<5))
  3324. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3325. if ((val & (1<<0)) == 0)
  3326. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3327. }
  3328. /******************************************************************/
  3329. /* common BCM8073/BCM8727 PHY SECTION */
  3330. /******************************************************************/
  3331. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3332. struct link_params *params,
  3333. struct link_vars *vars)
  3334. {
  3335. struct bnx2x *bp = params->bp;
  3336. if (phy->req_line_speed == SPEED_10 ||
  3337. phy->req_line_speed == SPEED_100) {
  3338. vars->flow_ctrl = phy->req_flow_ctrl;
  3339. return;
  3340. }
  3341. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3342. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3343. u16 pause_result;
  3344. u16 ld_pause; /* local */
  3345. u16 lp_pause; /* link partner */
  3346. bnx2x_cl45_read(bp, phy,
  3347. MDIO_AN_DEVAD,
  3348. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3349. bnx2x_cl45_read(bp, phy,
  3350. MDIO_AN_DEVAD,
  3351. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3352. pause_result = (ld_pause &
  3353. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3354. pause_result |= (lp_pause &
  3355. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3356. bnx2x_pause_resolve(vars, pause_result);
  3357. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3358. pause_result);
  3359. }
  3360. }
  3361. static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3362. struct bnx2x_phy *phy,
  3363. u8 port)
  3364. {
  3365. u32 count = 0;
  3366. u16 fw_ver1, fw_msgout;
  3367. u8 rc = 0;
  3368. /* Boot port from external ROM */
  3369. /* EDC grst */
  3370. bnx2x_cl45_write(bp, phy,
  3371. MDIO_PMA_DEVAD,
  3372. MDIO_PMA_REG_GEN_CTRL,
  3373. 0x0001);
  3374. /* ucode reboot and rst */
  3375. bnx2x_cl45_write(bp, phy,
  3376. MDIO_PMA_DEVAD,
  3377. MDIO_PMA_REG_GEN_CTRL,
  3378. 0x008c);
  3379. bnx2x_cl45_write(bp, phy,
  3380. MDIO_PMA_DEVAD,
  3381. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3382. /* Reset internal microprocessor */
  3383. bnx2x_cl45_write(bp, phy,
  3384. MDIO_PMA_DEVAD,
  3385. MDIO_PMA_REG_GEN_CTRL,
  3386. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3387. /* Release srst bit */
  3388. bnx2x_cl45_write(bp, phy,
  3389. MDIO_PMA_DEVAD,
  3390. MDIO_PMA_REG_GEN_CTRL,
  3391. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3392. /* Delay 100ms per the PHY specifications */
  3393. msleep(100);
  3394. /* 8073 sometimes taking longer to download */
  3395. do {
  3396. count++;
  3397. if (count > 300) {
  3398. DP(NETIF_MSG_LINK,
  3399. "bnx2x_8073_8727_external_rom_boot port %x:"
  3400. "Download failed. fw version = 0x%x\n",
  3401. port, fw_ver1);
  3402. rc = -EINVAL;
  3403. break;
  3404. }
  3405. bnx2x_cl45_read(bp, phy,
  3406. MDIO_PMA_DEVAD,
  3407. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3408. bnx2x_cl45_read(bp, phy,
  3409. MDIO_PMA_DEVAD,
  3410. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3411. msleep(1);
  3412. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3413. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3414. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3415. /* Clear ser_boot_ctl bit */
  3416. bnx2x_cl45_write(bp, phy,
  3417. MDIO_PMA_DEVAD,
  3418. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3419. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3420. DP(NETIF_MSG_LINK,
  3421. "bnx2x_8073_8727_external_rom_boot port %x:"
  3422. "Download complete. fw version = 0x%x\n",
  3423. port, fw_ver1);
  3424. return rc;
  3425. }
  3426. /******************************************************************/
  3427. /* BCM8073 PHY SECTION */
  3428. /******************************************************************/
  3429. static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3430. {
  3431. /* This is only required for 8073A1, version 102 only */
  3432. u16 val;
  3433. /* Read 8073 HW revision*/
  3434. bnx2x_cl45_read(bp, phy,
  3435. MDIO_PMA_DEVAD,
  3436. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3437. if (val != 1) {
  3438. /* No need to workaround in 8073 A1 */
  3439. return 0;
  3440. }
  3441. bnx2x_cl45_read(bp, phy,
  3442. MDIO_PMA_DEVAD,
  3443. MDIO_PMA_REG_ROM_VER2, &val);
  3444. /* SNR should be applied only for version 0x102 */
  3445. if (val != 0x102)
  3446. return 0;
  3447. return 1;
  3448. }
  3449. static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3450. {
  3451. u16 val, cnt, cnt1 ;
  3452. bnx2x_cl45_read(bp, phy,
  3453. MDIO_PMA_DEVAD,
  3454. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3455. if (val > 0) {
  3456. /* No need to workaround in 8073 A1 */
  3457. return 0;
  3458. }
  3459. /* XAUI workaround in 8073 A0: */
  3460. /*
  3461. * After loading the boot ROM and restarting Autoneg, poll
  3462. * Dev1, Reg $C820:
  3463. */
  3464. for (cnt = 0; cnt < 1000; cnt++) {
  3465. bnx2x_cl45_read(bp, phy,
  3466. MDIO_PMA_DEVAD,
  3467. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3468. &val);
  3469. /*
  3470. * If bit [14] = 0 or bit [13] = 0, continue on with
  3471. * system initialization (XAUI work-around not required, as
  3472. * these bits indicate 2.5G or 1G link up).
  3473. */
  3474. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3475. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3476. return 0;
  3477. } else if (!(val & (1<<15))) {
  3478. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3479. /*
  3480. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3481. * MSB (bit15) goes to 1 (indicating that the XAUI
  3482. * workaround has completed), then continue on with
  3483. * system initialization.
  3484. */
  3485. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3486. bnx2x_cl45_read(bp, phy,
  3487. MDIO_PMA_DEVAD,
  3488. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3489. if (val & (1<<15)) {
  3490. DP(NETIF_MSG_LINK,
  3491. "XAUI workaround has completed\n");
  3492. return 0;
  3493. }
  3494. msleep(3);
  3495. }
  3496. break;
  3497. }
  3498. msleep(3);
  3499. }
  3500. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3501. return -EINVAL;
  3502. }
  3503. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3504. {
  3505. /* Force KR or KX */
  3506. bnx2x_cl45_write(bp, phy,
  3507. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3508. bnx2x_cl45_write(bp, phy,
  3509. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3510. bnx2x_cl45_write(bp, phy,
  3511. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3512. bnx2x_cl45_write(bp, phy,
  3513. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3514. }
  3515. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3516. struct bnx2x_phy *phy,
  3517. struct link_vars *vars)
  3518. {
  3519. u16 cl37_val;
  3520. struct bnx2x *bp = params->bp;
  3521. bnx2x_cl45_read(bp, phy,
  3522. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3523. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3524. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3525. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3526. if ((vars->ieee_fc &
  3527. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3528. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3529. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3530. }
  3531. if ((vars->ieee_fc &
  3532. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3533. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3534. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3535. }
  3536. if ((vars->ieee_fc &
  3537. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3538. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3539. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3540. }
  3541. DP(NETIF_MSG_LINK,
  3542. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3543. bnx2x_cl45_write(bp, phy,
  3544. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3545. msleep(500);
  3546. }
  3547. static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3548. struct link_params *params,
  3549. struct link_vars *vars)
  3550. {
  3551. struct bnx2x *bp = params->bp;
  3552. u16 val = 0, tmp1;
  3553. u8 gpio_port;
  3554. DP(NETIF_MSG_LINK, "Init 8073\n");
  3555. if (CHIP_IS_E2(bp))
  3556. gpio_port = BP_PATH(bp);
  3557. else
  3558. gpio_port = params->port;
  3559. /* Restore normal power mode*/
  3560. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3561. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3562. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3563. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3564. /* enable LASI */
  3565. bnx2x_cl45_write(bp, phy,
  3566. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3567. bnx2x_cl45_write(bp, phy,
  3568. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3569. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3570. bnx2x_cl45_read(bp, phy,
  3571. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3572. bnx2x_cl45_read(bp, phy,
  3573. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3574. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3575. /* Swap polarity if required - Must be done only in non-1G mode */
  3576. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3577. /* Configure the 8073 to swap _P and _N of the KR lines */
  3578. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3579. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3580. bnx2x_cl45_read(bp, phy,
  3581. MDIO_PMA_DEVAD,
  3582. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3583. bnx2x_cl45_write(bp, phy,
  3584. MDIO_PMA_DEVAD,
  3585. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3586. (val | (3<<9)));
  3587. }
  3588. /* Enable CL37 BAM */
  3589. if (REG_RD(bp, params->shmem_base +
  3590. offsetof(struct shmem_region, dev_info.
  3591. port_hw_config[params->port].default_cfg)) &
  3592. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3593. bnx2x_cl45_read(bp, phy,
  3594. MDIO_AN_DEVAD,
  3595. MDIO_AN_REG_8073_BAM, &val);
  3596. bnx2x_cl45_write(bp, phy,
  3597. MDIO_AN_DEVAD,
  3598. MDIO_AN_REG_8073_BAM, val | 1);
  3599. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3600. }
  3601. if (params->loopback_mode == LOOPBACK_EXT) {
  3602. bnx2x_807x_force_10G(bp, phy);
  3603. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3604. return 0;
  3605. } else {
  3606. bnx2x_cl45_write(bp, phy,
  3607. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3608. }
  3609. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3610. if (phy->req_line_speed == SPEED_10000) {
  3611. val = (1<<7);
  3612. } else if (phy->req_line_speed == SPEED_2500) {
  3613. val = (1<<5);
  3614. /*
  3615. * Note that 2.5G works only when used with 1G
  3616. * advertisement
  3617. */
  3618. } else
  3619. val = (1<<5);
  3620. } else {
  3621. val = 0;
  3622. if (phy->speed_cap_mask &
  3623. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3624. val |= (1<<7);
  3625. /* Note that 2.5G works only when used with 1G advertisement */
  3626. if (phy->speed_cap_mask &
  3627. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3628. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3629. val |= (1<<5);
  3630. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3631. }
  3632. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3633. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3634. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3635. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3636. (phy->req_line_speed == SPEED_2500)) {
  3637. u16 phy_ver;
  3638. /* Allow 2.5G for A1 and above */
  3639. bnx2x_cl45_read(bp, phy,
  3640. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3641. &phy_ver);
  3642. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3643. if (phy_ver > 0)
  3644. tmp1 |= 1;
  3645. else
  3646. tmp1 &= 0xfffe;
  3647. } else {
  3648. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3649. tmp1 &= 0xfffe;
  3650. }
  3651. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3652. /* Add support for CL37 (passive mode) II */
  3653. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3654. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3655. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3656. 0x20 : 0x40)));
  3657. /* Add support for CL37 (passive mode) III */
  3658. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3659. /*
  3660. * The SNR will improve about 2db by changing BW and FEE main
  3661. * tap. Rest commands are executed after link is up
  3662. * Change FFE main cursor to 5 in EDC register
  3663. */
  3664. if (bnx2x_8073_is_snr_needed(bp, phy))
  3665. bnx2x_cl45_write(bp, phy,
  3666. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3667. 0xFB0C);
  3668. /* Enable FEC (Forware Error Correction) Request in the AN */
  3669. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3670. tmp1 |= (1<<15);
  3671. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3672. bnx2x_ext_phy_set_pause(params, phy, vars);
  3673. /* Restart autoneg */
  3674. msleep(500);
  3675. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3676. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3677. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3678. return 0;
  3679. }
  3680. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3681. struct link_params *params,
  3682. struct link_vars *vars)
  3683. {
  3684. struct bnx2x *bp = params->bp;
  3685. u8 link_up = 0;
  3686. u16 val1, val2;
  3687. u16 link_status = 0;
  3688. u16 an1000_status = 0;
  3689. bnx2x_cl45_read(bp, phy,
  3690. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3691. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3692. /* clear the interrupt LASI status register */
  3693. bnx2x_cl45_read(bp, phy,
  3694. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3695. bnx2x_cl45_read(bp, phy,
  3696. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3697. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3698. /* Clear MSG-OUT */
  3699. bnx2x_cl45_read(bp, phy,
  3700. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3701. /* Check the LASI */
  3702. bnx2x_cl45_read(bp, phy,
  3703. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3704. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3705. /* Check the link status */
  3706. bnx2x_cl45_read(bp, phy,
  3707. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3708. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3709. bnx2x_cl45_read(bp, phy,
  3710. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3711. bnx2x_cl45_read(bp, phy,
  3712. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3713. link_up = ((val1 & 4) == 4);
  3714. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3715. if (link_up &&
  3716. ((phy->req_line_speed != SPEED_10000))) {
  3717. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3718. return 0;
  3719. }
  3720. bnx2x_cl45_read(bp, phy,
  3721. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3722. bnx2x_cl45_read(bp, phy,
  3723. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3724. /* Check the link status on 1.1.2 */
  3725. bnx2x_cl45_read(bp, phy,
  3726. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3727. bnx2x_cl45_read(bp, phy,
  3728. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3729. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3730. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3731. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3732. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3733. /*
  3734. * The SNR will improve about 2dbby changing the BW and FEE main
  3735. * tap. The 1st write to change FFE main tap is set before
  3736. * restart AN. Change PLL Bandwidth in EDC register
  3737. */
  3738. bnx2x_cl45_write(bp, phy,
  3739. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3740. 0x26BC);
  3741. /* Change CDR Bandwidth in EDC register */
  3742. bnx2x_cl45_write(bp, phy,
  3743. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3744. 0x0333);
  3745. }
  3746. bnx2x_cl45_read(bp, phy,
  3747. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3748. &link_status);
  3749. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3750. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3751. link_up = 1;
  3752. vars->line_speed = SPEED_10000;
  3753. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3754. params->port);
  3755. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3756. link_up = 1;
  3757. vars->line_speed = SPEED_2500;
  3758. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3759. params->port);
  3760. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3761. link_up = 1;
  3762. vars->line_speed = SPEED_1000;
  3763. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3764. params->port);
  3765. } else {
  3766. link_up = 0;
  3767. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3768. params->port);
  3769. }
  3770. if (link_up) {
  3771. /* Swap polarity if required */
  3772. if (params->lane_config &
  3773. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3774. /* Configure the 8073 to swap P and N of the KR lines */
  3775. bnx2x_cl45_read(bp, phy,
  3776. MDIO_XS_DEVAD,
  3777. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3778. /*
  3779. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3780. * when it`s in 10G mode.
  3781. */
  3782. if (vars->line_speed == SPEED_1000) {
  3783. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3784. "the 8073\n");
  3785. val1 |= (1<<3);
  3786. } else
  3787. val1 &= ~(1<<3);
  3788. bnx2x_cl45_write(bp, phy,
  3789. MDIO_XS_DEVAD,
  3790. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3791. val1);
  3792. }
  3793. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3794. bnx2x_8073_resolve_fc(phy, params, vars);
  3795. vars->duplex = DUPLEX_FULL;
  3796. }
  3797. return link_up;
  3798. }
  3799. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3800. struct link_params *params)
  3801. {
  3802. struct bnx2x *bp = params->bp;
  3803. u8 gpio_port;
  3804. if (CHIP_IS_E2(bp))
  3805. gpio_port = BP_PATH(bp);
  3806. else
  3807. gpio_port = params->port;
  3808. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3809. gpio_port);
  3810. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3811. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3812. gpio_port);
  3813. }
  3814. /******************************************************************/
  3815. /* BCM8705 PHY SECTION */
  3816. /******************************************************************/
  3817. static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3818. struct link_params *params,
  3819. struct link_vars *vars)
  3820. {
  3821. struct bnx2x *bp = params->bp;
  3822. DP(NETIF_MSG_LINK, "init 8705\n");
  3823. /* Restore normal power mode*/
  3824. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3825. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3826. /* HW reset */
  3827. bnx2x_ext_phy_hw_reset(bp, params->port);
  3828. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3829. bnx2x_wait_reset_complete(bp, phy, params);
  3830. bnx2x_cl45_write(bp, phy,
  3831. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3832. bnx2x_cl45_write(bp, phy,
  3833. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3834. bnx2x_cl45_write(bp, phy,
  3835. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3836. bnx2x_cl45_write(bp, phy,
  3837. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3838. /* BCM8705 doesn't have microcode, hence the 0 */
  3839. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3840. return 0;
  3841. }
  3842. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3843. struct link_params *params,
  3844. struct link_vars *vars)
  3845. {
  3846. u8 link_up = 0;
  3847. u16 val1, rx_sd;
  3848. struct bnx2x *bp = params->bp;
  3849. DP(NETIF_MSG_LINK, "read status 8705\n");
  3850. bnx2x_cl45_read(bp, phy,
  3851. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3852. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3853. bnx2x_cl45_read(bp, phy,
  3854. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3855. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3856. bnx2x_cl45_read(bp, phy,
  3857. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3858. bnx2x_cl45_read(bp, phy,
  3859. MDIO_PMA_DEVAD, 0xc809, &val1);
  3860. bnx2x_cl45_read(bp, phy,
  3861. MDIO_PMA_DEVAD, 0xc809, &val1);
  3862. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3863. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3864. if (link_up) {
  3865. vars->line_speed = SPEED_10000;
  3866. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3867. }
  3868. return link_up;
  3869. }
  3870. /******************************************************************/
  3871. /* SFP+ module Section */
  3872. /******************************************************************/
  3873. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3874. {
  3875. u8 gpio_port;
  3876. u32 swap_val, swap_override;
  3877. struct bnx2x *bp = params->bp;
  3878. if (CHIP_IS_E2(bp))
  3879. gpio_port = BP_PATH(bp);
  3880. else
  3881. gpio_port = params->port;
  3882. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3883. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3884. return gpio_port ^ (swap_val && swap_override);
  3885. }
  3886. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3887. struct bnx2x_phy *phy,
  3888. u8 tx_en)
  3889. {
  3890. u16 val;
  3891. u8 port = params->port;
  3892. struct bnx2x *bp = params->bp;
  3893. u32 tx_en_mode;
  3894. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3895. tx_en_mode = REG_RD(bp, params->shmem_base +
  3896. offsetof(struct shmem_region,
  3897. dev_info.port_hw_config[port].sfp_ctrl)) &
  3898. PORT_HW_CFG_TX_LASER_MASK;
  3899. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3900. "mode = %x\n", tx_en, port, tx_en_mode);
  3901. switch (tx_en_mode) {
  3902. case PORT_HW_CFG_TX_LASER_MDIO:
  3903. bnx2x_cl45_read(bp, phy,
  3904. MDIO_PMA_DEVAD,
  3905. MDIO_PMA_REG_PHY_IDENTIFIER,
  3906. &val);
  3907. if (tx_en)
  3908. val &= ~(1<<15);
  3909. else
  3910. val |= (1<<15);
  3911. bnx2x_cl45_write(bp, phy,
  3912. MDIO_PMA_DEVAD,
  3913. MDIO_PMA_REG_PHY_IDENTIFIER,
  3914. val);
  3915. break;
  3916. case PORT_HW_CFG_TX_LASER_GPIO0:
  3917. case PORT_HW_CFG_TX_LASER_GPIO1:
  3918. case PORT_HW_CFG_TX_LASER_GPIO2:
  3919. case PORT_HW_CFG_TX_LASER_GPIO3:
  3920. {
  3921. u16 gpio_pin;
  3922. u8 gpio_port, gpio_mode;
  3923. if (tx_en)
  3924. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3925. else
  3926. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3927. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3928. gpio_port = bnx2x_get_gpio_port(params);
  3929. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3930. break;
  3931. }
  3932. default:
  3933. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3934. break;
  3935. }
  3936. }
  3937. static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3938. struct link_params *params,
  3939. u16 addr, u8 byte_cnt, u8 *o_buf)
  3940. {
  3941. struct bnx2x *bp = params->bp;
  3942. u16 val = 0;
  3943. u16 i;
  3944. if (byte_cnt > 16) {
  3945. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  3946. " is limited to 0xf\n");
  3947. return -EINVAL;
  3948. }
  3949. /* Set the read command byte count */
  3950. bnx2x_cl45_write(bp, phy,
  3951. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  3952. (byte_cnt | 0xa000));
  3953. /* Set the read command address */
  3954. bnx2x_cl45_write(bp, phy,
  3955. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  3956. addr);
  3957. /* Activate read command */
  3958. bnx2x_cl45_write(bp, phy,
  3959. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  3960. 0x2c0f);
  3961. /* Wait up to 500us for command complete status */
  3962. for (i = 0; i < 100; i++) {
  3963. bnx2x_cl45_read(bp, phy,
  3964. MDIO_PMA_DEVAD,
  3965. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3966. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3967. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  3968. break;
  3969. udelay(5);
  3970. }
  3971. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  3972. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  3973. DP(NETIF_MSG_LINK,
  3974. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  3975. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  3976. return -EINVAL;
  3977. }
  3978. /* Read the buffer */
  3979. for (i = 0; i < byte_cnt; i++) {
  3980. bnx2x_cl45_read(bp, phy,
  3981. MDIO_PMA_DEVAD,
  3982. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  3983. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  3984. }
  3985. for (i = 0; i < 100; i++) {
  3986. bnx2x_cl45_read(bp, phy,
  3987. MDIO_PMA_DEVAD,
  3988. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3989. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3990. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  3991. return 0;
  3992. msleep(1);
  3993. }
  3994. return -EINVAL;
  3995. }
  3996. static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3997. struct link_params *params,
  3998. u16 addr, u8 byte_cnt, u8 *o_buf)
  3999. {
  4000. struct bnx2x *bp = params->bp;
  4001. u16 val, i;
  4002. if (byte_cnt > 16) {
  4003. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4004. " is limited to 0xf\n");
  4005. return -EINVAL;
  4006. }
  4007. /* Need to read from 1.8000 to clear it */
  4008. bnx2x_cl45_read(bp, phy,
  4009. MDIO_PMA_DEVAD,
  4010. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4011. &val);
  4012. /* Set the read command byte count */
  4013. bnx2x_cl45_write(bp, phy,
  4014. MDIO_PMA_DEVAD,
  4015. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4016. ((byte_cnt < 2) ? 2 : byte_cnt));
  4017. /* Set the read command address */
  4018. bnx2x_cl45_write(bp, phy,
  4019. MDIO_PMA_DEVAD,
  4020. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4021. addr);
  4022. /* Set the destination address */
  4023. bnx2x_cl45_write(bp, phy,
  4024. MDIO_PMA_DEVAD,
  4025. 0x8004,
  4026. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4027. /* Activate read command */
  4028. bnx2x_cl45_write(bp, phy,
  4029. MDIO_PMA_DEVAD,
  4030. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4031. 0x8002);
  4032. /*
  4033. * Wait appropriate time for two-wire command to finish before
  4034. * polling the status register
  4035. */
  4036. msleep(1);
  4037. /* Wait up to 500us for command complete status */
  4038. for (i = 0; i < 100; i++) {
  4039. bnx2x_cl45_read(bp, phy,
  4040. MDIO_PMA_DEVAD,
  4041. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4042. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4043. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4044. break;
  4045. udelay(5);
  4046. }
  4047. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4048. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4049. DP(NETIF_MSG_LINK,
  4050. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4051. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4052. return -EFAULT;
  4053. }
  4054. /* Read the buffer */
  4055. for (i = 0; i < byte_cnt; i++) {
  4056. bnx2x_cl45_read(bp, phy,
  4057. MDIO_PMA_DEVAD,
  4058. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4059. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4060. }
  4061. for (i = 0; i < 100; i++) {
  4062. bnx2x_cl45_read(bp, phy,
  4063. MDIO_PMA_DEVAD,
  4064. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4065. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4066. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4067. return 0;
  4068. msleep(1);
  4069. }
  4070. return -EINVAL;
  4071. }
  4072. u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4073. struct link_params *params, u16 addr,
  4074. u8 byte_cnt, u8 *o_buf)
  4075. {
  4076. u8 rc = -EINVAL;
  4077. switch (phy->type) {
  4078. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4079. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4080. byte_cnt, o_buf);
  4081. break;
  4082. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4083. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4084. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4085. byte_cnt, o_buf);
  4086. break;
  4087. }
  4088. return rc;
  4089. }
  4090. static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4091. struct link_params *params,
  4092. u16 *edc_mode)
  4093. {
  4094. struct bnx2x *bp = params->bp;
  4095. u8 val, check_limiting_mode = 0;
  4096. *edc_mode = EDC_MODE_LIMITING;
  4097. /* First check for copper cable */
  4098. if (bnx2x_read_sfp_module_eeprom(phy,
  4099. params,
  4100. SFP_EEPROM_CON_TYPE_ADDR,
  4101. 1,
  4102. &val) != 0) {
  4103. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4104. return -EINVAL;
  4105. }
  4106. switch (val) {
  4107. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4108. {
  4109. u8 copper_module_type;
  4110. /*
  4111. * Check if its active cable (includes SFP+ module)
  4112. * of passive cable
  4113. */
  4114. if (bnx2x_read_sfp_module_eeprom(phy,
  4115. params,
  4116. SFP_EEPROM_FC_TX_TECH_ADDR,
  4117. 1,
  4118. &copper_module_type) !=
  4119. 0) {
  4120. DP(NETIF_MSG_LINK,
  4121. "Failed to read copper-cable-type"
  4122. " from SFP+ EEPROM\n");
  4123. return -EINVAL;
  4124. }
  4125. if (copper_module_type &
  4126. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4127. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4128. check_limiting_mode = 1;
  4129. } else if (copper_module_type &
  4130. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4131. DP(NETIF_MSG_LINK, "Passive Copper"
  4132. " cable detected\n");
  4133. *edc_mode =
  4134. EDC_MODE_PASSIVE_DAC;
  4135. } else {
  4136. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4137. "type 0x%x !!!\n", copper_module_type);
  4138. return -EINVAL;
  4139. }
  4140. break;
  4141. }
  4142. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4143. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4144. check_limiting_mode = 1;
  4145. break;
  4146. default:
  4147. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4148. val);
  4149. return -EINVAL;
  4150. }
  4151. if (check_limiting_mode) {
  4152. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4153. if (bnx2x_read_sfp_module_eeprom(phy,
  4154. params,
  4155. SFP_EEPROM_OPTIONS_ADDR,
  4156. SFP_EEPROM_OPTIONS_SIZE,
  4157. options) != 0) {
  4158. DP(NETIF_MSG_LINK, "Failed to read Option"
  4159. " field from module EEPROM\n");
  4160. return -EINVAL;
  4161. }
  4162. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4163. *edc_mode = EDC_MODE_LINEAR;
  4164. else
  4165. *edc_mode = EDC_MODE_LIMITING;
  4166. }
  4167. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4168. return 0;
  4169. }
  4170. /*
  4171. * This function read the relevant field from the module (SFP+), and verify it
  4172. * is compliant with this board
  4173. */
  4174. static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4175. struct link_params *params)
  4176. {
  4177. struct bnx2x *bp = params->bp;
  4178. u32 val, cmd;
  4179. u32 fw_resp, fw_cmd_param;
  4180. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4181. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4182. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4183. val = REG_RD(bp, params->shmem_base +
  4184. offsetof(struct shmem_region, dev_info.
  4185. port_feature_config[params->port].config));
  4186. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4187. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4188. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4189. return 0;
  4190. }
  4191. if (params->feature_config_flags &
  4192. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4193. /* Use specific phy request */
  4194. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4195. } else if (params->feature_config_flags &
  4196. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4197. /* Use first phy request only in case of non-dual media*/
  4198. if (DUAL_MEDIA(params)) {
  4199. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4200. "verification\n");
  4201. return -EINVAL;
  4202. }
  4203. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4204. } else {
  4205. /* No support in OPT MDL detection */
  4206. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4207. "verification\n");
  4208. return -EINVAL;
  4209. }
  4210. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4211. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4212. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4213. DP(NETIF_MSG_LINK, "Approved module\n");
  4214. return 0;
  4215. }
  4216. /* format the warning message */
  4217. if (bnx2x_read_sfp_module_eeprom(phy,
  4218. params,
  4219. SFP_EEPROM_VENDOR_NAME_ADDR,
  4220. SFP_EEPROM_VENDOR_NAME_SIZE,
  4221. (u8 *)vendor_name))
  4222. vendor_name[0] = '\0';
  4223. else
  4224. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4225. if (bnx2x_read_sfp_module_eeprom(phy,
  4226. params,
  4227. SFP_EEPROM_PART_NO_ADDR,
  4228. SFP_EEPROM_PART_NO_SIZE,
  4229. (u8 *)vendor_pn))
  4230. vendor_pn[0] = '\0';
  4231. else
  4232. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4233. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4234. " Port %d from %s part number %s\n",
  4235. params->port, vendor_name, vendor_pn);
  4236. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4237. return -EINVAL;
  4238. }
  4239. static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4240. struct link_params *params)
  4241. {
  4242. u8 val;
  4243. struct bnx2x *bp = params->bp;
  4244. u16 timeout;
  4245. /*
  4246. * Initialization time after hot-plug may take up to 300ms for
  4247. * some phys type ( e.g. JDSU )
  4248. */
  4249. for (timeout = 0; timeout < 60; timeout++) {
  4250. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4251. == 0) {
  4252. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4253. "took %d ms\n", timeout * 5);
  4254. return 0;
  4255. }
  4256. msleep(5);
  4257. }
  4258. return -EINVAL;
  4259. }
  4260. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4261. struct bnx2x_phy *phy,
  4262. u8 is_power_up) {
  4263. /* Make sure GPIOs are not using for LED mode */
  4264. u16 val;
  4265. /*
  4266. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4267. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4268. * output
  4269. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4270. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4271. * where the 1st bit is the over-current(only input), and 2nd bit is
  4272. * for power( only output )
  4273. *
  4274. * In case of NOC feature is disabled and power is up, set GPIO control
  4275. * as input to enable listening of over-current indication
  4276. */
  4277. if (phy->flags & FLAGS_NOC)
  4278. return;
  4279. if (!(phy->flags &
  4280. FLAGS_NOC) && is_power_up)
  4281. val = (1<<4);
  4282. else
  4283. /*
  4284. * Set GPIO control to OUTPUT, and set the power bit
  4285. * to according to the is_power_up
  4286. */
  4287. val = ((!(is_power_up)) << 1);
  4288. bnx2x_cl45_write(bp, phy,
  4289. MDIO_PMA_DEVAD,
  4290. MDIO_PMA_REG_8727_GPIO_CTRL,
  4291. val);
  4292. }
  4293. static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4294. struct bnx2x_phy *phy,
  4295. u16 edc_mode)
  4296. {
  4297. u16 cur_limiting_mode;
  4298. bnx2x_cl45_read(bp, phy,
  4299. MDIO_PMA_DEVAD,
  4300. MDIO_PMA_REG_ROM_VER2,
  4301. &cur_limiting_mode);
  4302. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4303. cur_limiting_mode);
  4304. if (edc_mode == EDC_MODE_LIMITING) {
  4305. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4306. bnx2x_cl45_write(bp, phy,
  4307. MDIO_PMA_DEVAD,
  4308. MDIO_PMA_REG_ROM_VER2,
  4309. EDC_MODE_LIMITING);
  4310. } else { /* LRM mode ( default )*/
  4311. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4312. /*
  4313. * Changing to LRM mode takes quite few seconds. So do it only
  4314. * if current mode is limiting (default is LRM)
  4315. */
  4316. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4317. return 0;
  4318. bnx2x_cl45_write(bp, phy,
  4319. MDIO_PMA_DEVAD,
  4320. MDIO_PMA_REG_LRM_MODE,
  4321. 0);
  4322. bnx2x_cl45_write(bp, phy,
  4323. MDIO_PMA_DEVAD,
  4324. MDIO_PMA_REG_ROM_VER2,
  4325. 0x128);
  4326. bnx2x_cl45_write(bp, phy,
  4327. MDIO_PMA_DEVAD,
  4328. MDIO_PMA_REG_MISC_CTRL0,
  4329. 0x4008);
  4330. bnx2x_cl45_write(bp, phy,
  4331. MDIO_PMA_DEVAD,
  4332. MDIO_PMA_REG_LRM_MODE,
  4333. 0xaaaa);
  4334. }
  4335. return 0;
  4336. }
  4337. static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4338. struct bnx2x_phy *phy,
  4339. u16 edc_mode)
  4340. {
  4341. u16 phy_identifier;
  4342. u16 rom_ver2_val;
  4343. bnx2x_cl45_read(bp, phy,
  4344. MDIO_PMA_DEVAD,
  4345. MDIO_PMA_REG_PHY_IDENTIFIER,
  4346. &phy_identifier);
  4347. bnx2x_cl45_write(bp, phy,
  4348. MDIO_PMA_DEVAD,
  4349. MDIO_PMA_REG_PHY_IDENTIFIER,
  4350. (phy_identifier & ~(1<<9)));
  4351. bnx2x_cl45_read(bp, phy,
  4352. MDIO_PMA_DEVAD,
  4353. MDIO_PMA_REG_ROM_VER2,
  4354. &rom_ver2_val);
  4355. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4356. bnx2x_cl45_write(bp, phy,
  4357. MDIO_PMA_DEVAD,
  4358. MDIO_PMA_REG_ROM_VER2,
  4359. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4360. bnx2x_cl45_write(bp, phy,
  4361. MDIO_PMA_DEVAD,
  4362. MDIO_PMA_REG_PHY_IDENTIFIER,
  4363. (phy_identifier | (1<<9)));
  4364. return 0;
  4365. }
  4366. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4367. struct link_params *params,
  4368. u32 action)
  4369. {
  4370. struct bnx2x *bp = params->bp;
  4371. switch (action) {
  4372. case DISABLE_TX:
  4373. bnx2x_sfp_set_transmitter(params, phy, 0);
  4374. break;
  4375. case ENABLE_TX:
  4376. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4377. bnx2x_sfp_set_transmitter(params, phy, 1);
  4378. break;
  4379. default:
  4380. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4381. action);
  4382. return;
  4383. }
  4384. }
  4385. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4386. u8 gpio_mode)
  4387. {
  4388. struct bnx2x *bp = params->bp;
  4389. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4390. offsetof(struct shmem_region,
  4391. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4392. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4393. switch (fault_led_gpio) {
  4394. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4395. return;
  4396. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4397. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4398. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4399. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4400. {
  4401. u8 gpio_port = bnx2x_get_gpio_port(params);
  4402. u16 gpio_pin = fault_led_gpio -
  4403. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4404. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4405. "pin %x port %x mode %x\n",
  4406. gpio_pin, gpio_port, gpio_mode);
  4407. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4408. }
  4409. break;
  4410. default:
  4411. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4412. fault_led_gpio);
  4413. }
  4414. }
  4415. static void bnx2x_power_sfp_module(struct link_params *params,
  4416. struct bnx2x_phy *phy,
  4417. u8 power)
  4418. {
  4419. struct bnx2x *bp = params->bp;
  4420. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4421. switch (phy->type) {
  4422. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4423. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4424. bnx2x_8727_power_module(params->bp, phy, power);
  4425. break;
  4426. default:
  4427. break;
  4428. }
  4429. }
  4430. static void bnx2x_set_limiting_mode(struct link_params *params,
  4431. struct bnx2x_phy *phy,
  4432. u16 edc_mode)
  4433. {
  4434. switch (phy->type) {
  4435. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4436. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4437. break;
  4438. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4439. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4440. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4441. break;
  4442. }
  4443. }
  4444. static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4445. struct link_params *params)
  4446. {
  4447. struct bnx2x *bp = params->bp;
  4448. u16 edc_mode;
  4449. u8 rc = 0;
  4450. u32 val = REG_RD(bp, params->shmem_base +
  4451. offsetof(struct shmem_region, dev_info.
  4452. port_feature_config[params->port].config));
  4453. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4454. params->port);
  4455. /* Power up module */
  4456. bnx2x_power_sfp_module(params, phy, 1);
  4457. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4458. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4459. return -EINVAL;
  4460. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4461. /* check SFP+ module compatibility */
  4462. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4463. rc = -EINVAL;
  4464. /* Turn on fault module-detected led */
  4465. bnx2x_set_sfp_module_fault_led(params,
  4466. MISC_REGISTERS_GPIO_HIGH);
  4467. /* Check if need to power down the SFP+ module */
  4468. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4469. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4470. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4471. bnx2x_power_sfp_module(params, phy, 0);
  4472. return rc;
  4473. }
  4474. } else {
  4475. /* Turn off fault module-detected led */
  4476. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4477. }
  4478. /*
  4479. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4480. * is done automatically
  4481. */
  4482. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4483. /*
  4484. * Enable transmit for this module if the module is approved, or
  4485. * if unapproved modules should also enable the Tx laser
  4486. */
  4487. if (rc == 0 ||
  4488. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4489. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4490. bnx2x_sfp_set_transmitter(params, phy, 1);
  4491. else
  4492. bnx2x_sfp_set_transmitter(params, phy, 0);
  4493. return rc;
  4494. }
  4495. void bnx2x_handle_module_detect_int(struct link_params *params)
  4496. {
  4497. struct bnx2x *bp = params->bp;
  4498. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4499. u32 gpio_val;
  4500. u8 port = params->port;
  4501. /* Set valid module led off */
  4502. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4503. /* Get current gpio val reflecting module plugged in / out*/
  4504. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4505. /* Call the handling function in case module is detected */
  4506. if (gpio_val == 0) {
  4507. bnx2x_power_sfp_module(params, phy, 1);
  4508. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4509. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4510. port);
  4511. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4512. bnx2x_sfp_module_detection(phy, params);
  4513. else
  4514. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4515. } else {
  4516. u32 val = REG_RD(bp, params->shmem_base +
  4517. offsetof(struct shmem_region, dev_info.
  4518. port_feature_config[params->port].
  4519. config));
  4520. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4521. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4522. port);
  4523. /*
  4524. * Module was plugged out.
  4525. * Disable transmit for this module
  4526. */
  4527. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4528. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4529. bnx2x_sfp_set_transmitter(params, phy, 0);
  4530. }
  4531. }
  4532. /******************************************************************/
  4533. /* common BCM8706/BCM8726 PHY SECTION */
  4534. /******************************************************************/
  4535. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4536. struct link_params *params,
  4537. struct link_vars *vars)
  4538. {
  4539. u8 link_up = 0;
  4540. u16 val1, val2, rx_sd, pcs_status;
  4541. struct bnx2x *bp = params->bp;
  4542. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4543. /* Clear RX Alarm*/
  4544. bnx2x_cl45_read(bp, phy,
  4545. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4546. /* clear LASI indication*/
  4547. bnx2x_cl45_read(bp, phy,
  4548. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4549. bnx2x_cl45_read(bp, phy,
  4550. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4551. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4552. bnx2x_cl45_read(bp, phy,
  4553. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4554. bnx2x_cl45_read(bp, phy,
  4555. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4556. bnx2x_cl45_read(bp, phy,
  4557. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4558. bnx2x_cl45_read(bp, phy,
  4559. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4560. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4561. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4562. /*
  4563. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4564. * are set, or if the autoneg bit 1 is set
  4565. */
  4566. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4567. if (link_up) {
  4568. if (val2 & (1<<1))
  4569. vars->line_speed = SPEED_1000;
  4570. else
  4571. vars->line_speed = SPEED_10000;
  4572. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4573. vars->duplex = DUPLEX_FULL;
  4574. }
  4575. return link_up;
  4576. }
  4577. /******************************************************************/
  4578. /* BCM8706 PHY SECTION */
  4579. /******************************************************************/
  4580. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4581. struct link_params *params,
  4582. struct link_vars *vars)
  4583. {
  4584. u32 tx_en_mode;
  4585. u16 cnt, val, tmp1;
  4586. struct bnx2x *bp = params->bp;
  4587. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4588. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4589. /* HW reset */
  4590. bnx2x_ext_phy_hw_reset(bp, params->port);
  4591. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4592. bnx2x_wait_reset_complete(bp, phy, params);
  4593. /* Wait until fw is loaded */
  4594. for (cnt = 0; cnt < 100; cnt++) {
  4595. bnx2x_cl45_read(bp, phy,
  4596. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4597. if (val)
  4598. break;
  4599. msleep(10);
  4600. }
  4601. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4602. if ((params->feature_config_flags &
  4603. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4604. u8 i;
  4605. u16 reg;
  4606. for (i = 0; i < 4; i++) {
  4607. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4608. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4609. MDIO_XS_8706_REG_BANK_RX0);
  4610. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4611. /* Clear first 3 bits of the control */
  4612. val &= ~0x7;
  4613. /* Set control bits according to configuration */
  4614. val |= (phy->rx_preemphasis[i] & 0x7);
  4615. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4616. " reg 0x%x <-- val 0x%x\n", reg, val);
  4617. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4618. }
  4619. }
  4620. /* Force speed */
  4621. if (phy->req_line_speed == SPEED_10000) {
  4622. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4623. bnx2x_cl45_write(bp, phy,
  4624. MDIO_PMA_DEVAD,
  4625. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4626. bnx2x_cl45_write(bp, phy,
  4627. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4628. } else {
  4629. /* Force 1Gbps using autoneg with 1G advertisement */
  4630. /* Allow CL37 through CL73 */
  4631. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4632. bnx2x_cl45_write(bp, phy,
  4633. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4634. /* Enable Full-Duplex advertisement on CL37 */
  4635. bnx2x_cl45_write(bp, phy,
  4636. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4637. /* Enable CL37 AN */
  4638. bnx2x_cl45_write(bp, phy,
  4639. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4640. /* 1G support */
  4641. bnx2x_cl45_write(bp, phy,
  4642. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4643. /* Enable clause 73 AN */
  4644. bnx2x_cl45_write(bp, phy,
  4645. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4646. bnx2x_cl45_write(bp, phy,
  4647. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4648. 0x0400);
  4649. bnx2x_cl45_write(bp, phy,
  4650. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4651. 0x0004);
  4652. }
  4653. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4654. /*
  4655. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4656. * power mode, if TX Laser is disabled
  4657. */
  4658. tx_en_mode = REG_RD(bp, params->shmem_base +
  4659. offsetof(struct shmem_region,
  4660. dev_info.port_hw_config[params->port].sfp_ctrl))
  4661. & PORT_HW_CFG_TX_LASER_MASK;
  4662. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4663. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4664. bnx2x_cl45_read(bp, phy,
  4665. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4666. tmp1 |= 0x1;
  4667. bnx2x_cl45_write(bp, phy,
  4668. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4669. }
  4670. return 0;
  4671. }
  4672. static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4673. struct link_params *params,
  4674. struct link_vars *vars)
  4675. {
  4676. return bnx2x_8706_8726_read_status(phy, params, vars);
  4677. }
  4678. /******************************************************************/
  4679. /* BCM8726 PHY SECTION */
  4680. /******************************************************************/
  4681. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4682. struct link_params *params)
  4683. {
  4684. struct bnx2x *bp = params->bp;
  4685. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4686. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4687. }
  4688. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4689. struct link_params *params)
  4690. {
  4691. struct bnx2x *bp = params->bp;
  4692. /* Need to wait 100ms after reset */
  4693. msleep(100);
  4694. /* Micro controller re-boot */
  4695. bnx2x_cl45_write(bp, phy,
  4696. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4697. /* Set soft reset */
  4698. bnx2x_cl45_write(bp, phy,
  4699. MDIO_PMA_DEVAD,
  4700. MDIO_PMA_REG_GEN_CTRL,
  4701. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4702. bnx2x_cl45_write(bp, phy,
  4703. MDIO_PMA_DEVAD,
  4704. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4705. bnx2x_cl45_write(bp, phy,
  4706. MDIO_PMA_DEVAD,
  4707. MDIO_PMA_REG_GEN_CTRL,
  4708. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4709. /* wait for 150ms for microcode load */
  4710. msleep(150);
  4711. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4712. bnx2x_cl45_write(bp, phy,
  4713. MDIO_PMA_DEVAD,
  4714. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4715. msleep(200);
  4716. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4717. }
  4718. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4719. struct link_params *params,
  4720. struct link_vars *vars)
  4721. {
  4722. struct bnx2x *bp = params->bp;
  4723. u16 val1;
  4724. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4725. if (link_up) {
  4726. bnx2x_cl45_read(bp, phy,
  4727. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4728. &val1);
  4729. if (val1 & (1<<15)) {
  4730. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4731. link_up = 0;
  4732. vars->line_speed = 0;
  4733. }
  4734. }
  4735. return link_up;
  4736. }
  4737. static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4738. struct link_params *params,
  4739. struct link_vars *vars)
  4740. {
  4741. struct bnx2x *bp = params->bp;
  4742. u32 val;
  4743. u32 swap_val, swap_override, aeu_gpio_mask, offset;
  4744. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4745. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4746. bnx2x_wait_reset_complete(bp, phy, params);
  4747. bnx2x_8726_external_rom_boot(phy, params);
  4748. /*
  4749. * Need to call module detected on initialization since the module
  4750. * detection triggered by actual module insertion might occur before
  4751. * driver is loaded, and when driver is loaded, it reset all
  4752. * registers, including the transmitter
  4753. */
  4754. bnx2x_sfp_module_detection(phy, params);
  4755. if (phy->req_line_speed == SPEED_1000) {
  4756. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4757. bnx2x_cl45_write(bp, phy,
  4758. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4759. bnx2x_cl45_write(bp, phy,
  4760. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4761. bnx2x_cl45_write(bp, phy,
  4762. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4763. bnx2x_cl45_write(bp, phy,
  4764. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4765. 0x400);
  4766. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4767. (phy->speed_cap_mask &
  4768. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4769. ((phy->speed_cap_mask &
  4770. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4771. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4772. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4773. /* Set Flow control */
  4774. bnx2x_ext_phy_set_pause(params, phy, vars);
  4775. bnx2x_cl45_write(bp, phy,
  4776. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4777. bnx2x_cl45_write(bp, phy,
  4778. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4779. bnx2x_cl45_write(bp, phy,
  4780. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4781. bnx2x_cl45_write(bp, phy,
  4782. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4783. bnx2x_cl45_write(bp, phy,
  4784. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4785. /*
  4786. * Enable RX-ALARM control to receive interrupt for 1G speed
  4787. * change
  4788. */
  4789. bnx2x_cl45_write(bp, phy,
  4790. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4791. bnx2x_cl45_write(bp, phy,
  4792. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4793. 0x400);
  4794. } else { /* Default 10G. Set only LASI control */
  4795. bnx2x_cl45_write(bp, phy,
  4796. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4797. }
  4798. /* Set TX PreEmphasis if needed */
  4799. if ((params->feature_config_flags &
  4800. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4801. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4802. "TX_CTRL2 0x%x\n",
  4803. phy->tx_preemphasis[0],
  4804. phy->tx_preemphasis[1]);
  4805. bnx2x_cl45_write(bp, phy,
  4806. MDIO_PMA_DEVAD,
  4807. MDIO_PMA_REG_8726_TX_CTRL1,
  4808. phy->tx_preemphasis[0]);
  4809. bnx2x_cl45_write(bp, phy,
  4810. MDIO_PMA_DEVAD,
  4811. MDIO_PMA_REG_8726_TX_CTRL2,
  4812. phy->tx_preemphasis[1]);
  4813. }
  4814. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  4815. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  4816. MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
  4817. /* The GPIO should be swapped if the swap register is set and active */
  4818. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4819. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4820. /* Select function upon port-swap configuration */
  4821. if (params->port == 0) {
  4822. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  4823. aeu_gpio_mask = (swap_val && swap_override) ?
  4824. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
  4825. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
  4826. } else {
  4827. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  4828. aeu_gpio_mask = (swap_val && swap_override) ?
  4829. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
  4830. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
  4831. }
  4832. val = REG_RD(bp, offset);
  4833. /* add GPIO3 to group */
  4834. val |= aeu_gpio_mask;
  4835. REG_WR(bp, offset, val);
  4836. return 0;
  4837. }
  4838. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4839. struct link_params *params)
  4840. {
  4841. struct bnx2x *bp = params->bp;
  4842. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4843. /* Set serial boot control for external load */
  4844. bnx2x_cl45_write(bp, phy,
  4845. MDIO_PMA_DEVAD,
  4846. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4847. }
  4848. /******************************************************************/
  4849. /* BCM8727 PHY SECTION */
  4850. /******************************************************************/
  4851. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4852. struct link_params *params, u8 mode)
  4853. {
  4854. struct bnx2x *bp = params->bp;
  4855. u16 led_mode_bitmask = 0;
  4856. u16 gpio_pins_bitmask = 0;
  4857. u16 val;
  4858. /* Only NOC flavor requires to set the LED specifically */
  4859. if (!(phy->flags & FLAGS_NOC))
  4860. return;
  4861. switch (mode) {
  4862. case LED_MODE_FRONT_PANEL_OFF:
  4863. case LED_MODE_OFF:
  4864. led_mode_bitmask = 0;
  4865. gpio_pins_bitmask = 0x03;
  4866. break;
  4867. case LED_MODE_ON:
  4868. led_mode_bitmask = 0;
  4869. gpio_pins_bitmask = 0x02;
  4870. break;
  4871. case LED_MODE_OPER:
  4872. led_mode_bitmask = 0x60;
  4873. gpio_pins_bitmask = 0x11;
  4874. break;
  4875. }
  4876. bnx2x_cl45_read(bp, phy,
  4877. MDIO_PMA_DEVAD,
  4878. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4879. &val);
  4880. val &= 0xff8f;
  4881. val |= led_mode_bitmask;
  4882. bnx2x_cl45_write(bp, phy,
  4883. MDIO_PMA_DEVAD,
  4884. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4885. val);
  4886. bnx2x_cl45_read(bp, phy,
  4887. MDIO_PMA_DEVAD,
  4888. MDIO_PMA_REG_8727_GPIO_CTRL,
  4889. &val);
  4890. val &= 0xffe0;
  4891. val |= gpio_pins_bitmask;
  4892. bnx2x_cl45_write(bp, phy,
  4893. MDIO_PMA_DEVAD,
  4894. MDIO_PMA_REG_8727_GPIO_CTRL,
  4895. val);
  4896. }
  4897. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4898. struct link_params *params) {
  4899. u32 swap_val, swap_override;
  4900. u8 port;
  4901. /*
  4902. * The PHY reset is controlled by GPIO 1. Fake the port number
  4903. * to cancel the swap done in set_gpio()
  4904. */
  4905. struct bnx2x *bp = params->bp;
  4906. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4907. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4908. port = (swap_val && swap_override) ^ 1;
  4909. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  4910. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  4911. }
  4912. static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
  4913. struct link_params *params,
  4914. struct link_vars *vars)
  4915. {
  4916. u32 tx_en_mode;
  4917. u16 tmp1, val, mod_abs, tmp2;
  4918. u16 rx_alarm_ctrl_val;
  4919. u16 lasi_ctrl_val;
  4920. struct bnx2x *bp = params->bp;
  4921. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  4922. bnx2x_wait_reset_complete(bp, phy, params);
  4923. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  4924. lasi_ctrl_val = 0x0004;
  4925. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  4926. /* enable LASI */
  4927. bnx2x_cl45_write(bp, phy,
  4928. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4929. rx_alarm_ctrl_val);
  4930. bnx2x_cl45_write(bp, phy,
  4931. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  4932. /*
  4933. * Initially configure MOD_ABS to interrupt when module is
  4934. * presence( bit 8)
  4935. */
  4936. bnx2x_cl45_read(bp, phy,
  4937. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  4938. /*
  4939. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  4940. * When the EDC is off it locks onto a reference clock and avoids
  4941. * becoming 'lost'
  4942. */
  4943. mod_abs &= ~(1<<8);
  4944. if (!(phy->flags & FLAGS_NOC))
  4945. mod_abs &= ~(1<<9);
  4946. bnx2x_cl45_write(bp, phy,
  4947. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  4948. /* Make MOD_ABS give interrupt on change */
  4949. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4950. &val);
  4951. val |= (1<<12);
  4952. if (phy->flags & FLAGS_NOC)
  4953. val |= (3<<5);
  4954. /*
  4955. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  4956. * status which reflect SFP+ module over-current
  4957. */
  4958. if (!(phy->flags & FLAGS_NOC))
  4959. val &= 0xff8f; /* Reset bits 4-6 */
  4960. bnx2x_cl45_write(bp, phy,
  4961. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  4962. bnx2x_8727_power_module(bp, phy, 1);
  4963. bnx2x_cl45_read(bp, phy,
  4964. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  4965. bnx2x_cl45_read(bp, phy,
  4966. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  4967. /* Set option 1G speed */
  4968. if (phy->req_line_speed == SPEED_1000) {
  4969. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4970. bnx2x_cl45_write(bp, phy,
  4971. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4972. bnx2x_cl45_write(bp, phy,
  4973. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4974. bnx2x_cl45_read(bp, phy,
  4975. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  4976. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  4977. /*
  4978. * Power down the XAUI until link is up in case of dual-media
  4979. * and 1G
  4980. */
  4981. if (DUAL_MEDIA(params)) {
  4982. bnx2x_cl45_read(bp, phy,
  4983. MDIO_PMA_DEVAD,
  4984. MDIO_PMA_REG_8727_PCS_GP, &val);
  4985. val |= (3<<10);
  4986. bnx2x_cl45_write(bp, phy,
  4987. MDIO_PMA_DEVAD,
  4988. MDIO_PMA_REG_8727_PCS_GP, val);
  4989. }
  4990. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4991. ((phy->speed_cap_mask &
  4992. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  4993. ((phy->speed_cap_mask &
  4994. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4995. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4996. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4997. bnx2x_cl45_write(bp, phy,
  4998. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  4999. bnx2x_cl45_write(bp, phy,
  5000. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5001. } else {
  5002. /*
  5003. * Since the 8727 has only single reset pin, need to set the 10G
  5004. * registers although it is default
  5005. */
  5006. bnx2x_cl45_write(bp, phy,
  5007. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5008. 0x0020);
  5009. bnx2x_cl45_write(bp, phy,
  5010. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5011. bnx2x_cl45_write(bp, phy,
  5012. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5013. bnx2x_cl45_write(bp, phy,
  5014. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5015. 0x0008);
  5016. }
  5017. /*
  5018. * Set 2-wire transfer rate of SFP+ module EEPROM
  5019. * to 100Khz since some DACs(direct attached cables) do
  5020. * not work at 400Khz.
  5021. */
  5022. bnx2x_cl45_write(bp, phy,
  5023. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5024. 0xa001);
  5025. /* Set TX PreEmphasis if needed */
  5026. if ((params->feature_config_flags &
  5027. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5028. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5029. phy->tx_preemphasis[0],
  5030. phy->tx_preemphasis[1]);
  5031. bnx2x_cl45_write(bp, phy,
  5032. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5033. phy->tx_preemphasis[0]);
  5034. bnx2x_cl45_write(bp, phy,
  5035. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5036. phy->tx_preemphasis[1]);
  5037. }
  5038. /*
  5039. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5040. * power mode, if TX Laser is disabled
  5041. */
  5042. tx_en_mode = REG_RD(bp, params->shmem_base +
  5043. offsetof(struct shmem_region,
  5044. dev_info.port_hw_config[params->port].sfp_ctrl))
  5045. & PORT_HW_CFG_TX_LASER_MASK;
  5046. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5047. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5048. bnx2x_cl45_read(bp, phy,
  5049. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5050. tmp2 |= 0x1000;
  5051. tmp2 &= 0xFFEF;
  5052. bnx2x_cl45_write(bp, phy,
  5053. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5054. }
  5055. return 0;
  5056. }
  5057. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5058. struct link_params *params)
  5059. {
  5060. struct bnx2x *bp = params->bp;
  5061. u16 mod_abs, rx_alarm_status;
  5062. u32 val = REG_RD(bp, params->shmem_base +
  5063. offsetof(struct shmem_region, dev_info.
  5064. port_feature_config[params->port].
  5065. config));
  5066. bnx2x_cl45_read(bp, phy,
  5067. MDIO_PMA_DEVAD,
  5068. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5069. if (mod_abs & (1<<8)) {
  5070. /* Module is absent */
  5071. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5072. "show module is absent\n");
  5073. /*
  5074. * 1. Set mod_abs to detect next module
  5075. * presence event
  5076. * 2. Set EDC off by setting OPTXLOS signal input to low
  5077. * (bit 9).
  5078. * When the EDC is off it locks onto a reference clock and
  5079. * avoids becoming 'lost'.
  5080. */
  5081. mod_abs &= ~(1<<8);
  5082. if (!(phy->flags & FLAGS_NOC))
  5083. mod_abs &= ~(1<<9);
  5084. bnx2x_cl45_write(bp, phy,
  5085. MDIO_PMA_DEVAD,
  5086. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5087. /*
  5088. * Clear RX alarm since it stays up as long as
  5089. * the mod_abs wasn't changed
  5090. */
  5091. bnx2x_cl45_read(bp, phy,
  5092. MDIO_PMA_DEVAD,
  5093. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5094. } else {
  5095. /* Module is present */
  5096. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5097. "show module is present\n");
  5098. /*
  5099. * First disable transmitter, and if the module is ok, the
  5100. * module_detection will enable it
  5101. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5102. * 2. Restore the default polarity of the OPRXLOS signal and
  5103. * this signal will then correctly indicate the presence or
  5104. * absence of the Rx signal. (bit 9)
  5105. */
  5106. mod_abs |= (1<<8);
  5107. if (!(phy->flags & FLAGS_NOC))
  5108. mod_abs |= (1<<9);
  5109. bnx2x_cl45_write(bp, phy,
  5110. MDIO_PMA_DEVAD,
  5111. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5112. /*
  5113. * Clear RX alarm since it stays up as long as the mod_abs
  5114. * wasn't changed. This is need to be done before calling the
  5115. * module detection, otherwise it will clear* the link update
  5116. * alarm
  5117. */
  5118. bnx2x_cl45_read(bp, phy,
  5119. MDIO_PMA_DEVAD,
  5120. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5121. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5122. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5123. bnx2x_sfp_set_transmitter(params, phy, 0);
  5124. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5125. bnx2x_sfp_module_detection(phy, params);
  5126. else
  5127. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5128. }
  5129. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5130. rx_alarm_status);
  5131. /* No need to check link status in case of module plugged in/out */
  5132. }
  5133. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5134. struct link_params *params,
  5135. struct link_vars *vars)
  5136. {
  5137. struct bnx2x *bp = params->bp;
  5138. u8 link_up = 0;
  5139. u16 link_status = 0;
  5140. u16 rx_alarm_status, lasi_ctrl, val1;
  5141. /* If PHY is not initialized, do not check link status */
  5142. bnx2x_cl45_read(bp, phy,
  5143. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5144. &lasi_ctrl);
  5145. if (!lasi_ctrl)
  5146. return 0;
  5147. /* Check the LASI */
  5148. bnx2x_cl45_read(bp, phy,
  5149. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5150. &rx_alarm_status);
  5151. vars->line_speed = 0;
  5152. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5153. bnx2x_cl45_read(bp, phy,
  5154. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5155. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5156. /* Clear MSG-OUT */
  5157. bnx2x_cl45_read(bp, phy,
  5158. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5159. /*
  5160. * If a module is present and there is need to check
  5161. * for over current
  5162. */
  5163. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5164. /* Check over-current using 8727 GPIO0 input*/
  5165. bnx2x_cl45_read(bp, phy,
  5166. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5167. &val1);
  5168. if ((val1 & (1<<8)) == 0) {
  5169. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5170. " on port %d\n", params->port);
  5171. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5172. " been detected and the power to "
  5173. "that SFP+ module has been removed"
  5174. " to prevent failure of the card."
  5175. " Please remove the SFP+ module and"
  5176. " restart the system to clear this"
  5177. " error.\n",
  5178. params->port);
  5179. /* Disable all RX_ALARMs except for mod_abs */
  5180. bnx2x_cl45_write(bp, phy,
  5181. MDIO_PMA_DEVAD,
  5182. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5183. bnx2x_cl45_read(bp, phy,
  5184. MDIO_PMA_DEVAD,
  5185. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5186. /* Wait for module_absent_event */
  5187. val1 |= (1<<8);
  5188. bnx2x_cl45_write(bp, phy,
  5189. MDIO_PMA_DEVAD,
  5190. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5191. /* Clear RX alarm */
  5192. bnx2x_cl45_read(bp, phy,
  5193. MDIO_PMA_DEVAD,
  5194. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5195. return 0;
  5196. }
  5197. } /* Over current check */
  5198. /* When module absent bit is set, check module */
  5199. if (rx_alarm_status & (1<<5)) {
  5200. bnx2x_8727_handle_mod_abs(phy, params);
  5201. /* Enable all mod_abs and link detection bits */
  5202. bnx2x_cl45_write(bp, phy,
  5203. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5204. ((1<<5) | (1<<2)));
  5205. }
  5206. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5207. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5208. /* If transmitter is disabled, ignore false link up indication */
  5209. bnx2x_cl45_read(bp, phy,
  5210. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5211. if (val1 & (1<<15)) {
  5212. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5213. return 0;
  5214. }
  5215. bnx2x_cl45_read(bp, phy,
  5216. MDIO_PMA_DEVAD,
  5217. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5218. /*
  5219. * Bits 0..2 --> speed detected,
  5220. * Bits 13..15--> link is down
  5221. */
  5222. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5223. link_up = 1;
  5224. vars->line_speed = SPEED_10000;
  5225. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5226. params->port);
  5227. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5228. link_up = 1;
  5229. vars->line_speed = SPEED_1000;
  5230. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5231. params->port);
  5232. } else {
  5233. link_up = 0;
  5234. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5235. params->port);
  5236. }
  5237. if (link_up) {
  5238. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5239. vars->duplex = DUPLEX_FULL;
  5240. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5241. }
  5242. if ((DUAL_MEDIA(params)) &&
  5243. (phy->req_line_speed == SPEED_1000)) {
  5244. bnx2x_cl45_read(bp, phy,
  5245. MDIO_PMA_DEVAD,
  5246. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5247. /*
  5248. * In case of dual-media board and 1G, power up the XAUI side,
  5249. * otherwise power it down. For 10G it is done automatically
  5250. */
  5251. if (link_up)
  5252. val1 &= ~(3<<10);
  5253. else
  5254. val1 |= (3<<10);
  5255. bnx2x_cl45_write(bp, phy,
  5256. MDIO_PMA_DEVAD,
  5257. MDIO_PMA_REG_8727_PCS_GP, val1);
  5258. }
  5259. return link_up;
  5260. }
  5261. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5262. struct link_params *params)
  5263. {
  5264. struct bnx2x *bp = params->bp;
  5265. /* Disable Transmitter */
  5266. bnx2x_sfp_set_transmitter(params, phy, 0);
  5267. /* Clear LASI */
  5268. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5269. }
  5270. /******************************************************************/
  5271. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5272. /******************************************************************/
  5273. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5274. struct link_params *params)
  5275. {
  5276. u16 val, fw_ver1, fw_ver2, cnt, adj;
  5277. struct bnx2x *bp = params->bp;
  5278. adj = 0;
  5279. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5280. adj = -1;
  5281. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5282. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5283. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014);
  5284. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5285. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000);
  5286. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300);
  5287. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009);
  5288. for (cnt = 0; cnt < 100; cnt++) {
  5289. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5290. if (val & 1)
  5291. break;
  5292. udelay(5);
  5293. }
  5294. if (cnt == 100) {
  5295. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5296. bnx2x_save_spirom_version(bp, params->port, 0,
  5297. phy->ver_addr);
  5298. return;
  5299. }
  5300. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5301. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000);
  5302. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5303. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A);
  5304. for (cnt = 0; cnt < 100; cnt++) {
  5305. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5306. if (val & 1)
  5307. break;
  5308. udelay(5);
  5309. }
  5310. if (cnt == 100) {
  5311. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5312. bnx2x_save_spirom_version(bp, params->port, 0,
  5313. phy->ver_addr);
  5314. return;
  5315. }
  5316. /* lower 16 bits of the register SPI_FW_STATUS */
  5317. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1);
  5318. /* upper 16 bits of register SPI_FW_STATUS */
  5319. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2);
  5320. bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
  5321. phy->ver_addr);
  5322. }
  5323. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5324. struct bnx2x_phy *phy)
  5325. {
  5326. u16 val, adj;
  5327. adj = 0;
  5328. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5329. adj = -1;
  5330. /* PHYC_CTL_LED_CTL */
  5331. bnx2x_cl45_read(bp, phy,
  5332. MDIO_PMA_DEVAD,
  5333. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val);
  5334. val &= 0xFE00;
  5335. val |= 0x0092;
  5336. bnx2x_cl45_write(bp, phy,
  5337. MDIO_PMA_DEVAD,
  5338. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val);
  5339. bnx2x_cl45_write(bp, phy,
  5340. MDIO_PMA_DEVAD,
  5341. MDIO_PMA_REG_8481_LED1_MASK + adj,
  5342. 0x80);
  5343. bnx2x_cl45_write(bp, phy,
  5344. MDIO_PMA_DEVAD,
  5345. MDIO_PMA_REG_8481_LED2_MASK + adj,
  5346. 0x18);
  5347. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5348. bnx2x_cl45_write(bp, phy,
  5349. MDIO_PMA_DEVAD,
  5350. MDIO_PMA_REG_8481_LED3_MASK + adj,
  5351. 0x0006);
  5352. /* Select the closest activity blink rate to that in 10/100/1000 */
  5353. bnx2x_cl45_write(bp, phy,
  5354. MDIO_PMA_DEVAD,
  5355. MDIO_PMA_REG_8481_LED3_BLINK + adj,
  5356. 0);
  5357. bnx2x_cl45_read(bp, phy,
  5358. MDIO_PMA_DEVAD,
  5359. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val);
  5360. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5361. bnx2x_cl45_write(bp, phy,
  5362. MDIO_PMA_DEVAD,
  5363. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val);
  5364. /* 'Interrupt Mask' */
  5365. bnx2x_cl45_write(bp, phy,
  5366. MDIO_AN_DEVAD,
  5367. 0xFFFB, 0xFFFD);
  5368. }
  5369. static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5370. struct link_params *params,
  5371. struct link_vars *vars)
  5372. {
  5373. struct bnx2x *bp = params->bp;
  5374. u16 autoneg_val, an_1000_val, an_10_100_val;
  5375. /*
  5376. * This phy uses the NIG latch mechanism since link indication
  5377. * arrives through its LED4 and not via its LASI signal, so we
  5378. * get steady signal instead of clear on read
  5379. */
  5380. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5381. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5382. bnx2x_cl45_write(bp, phy,
  5383. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5384. bnx2x_848xx_set_led(bp, phy);
  5385. /* set 1000 speed advertisement */
  5386. bnx2x_cl45_read(bp, phy,
  5387. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5388. &an_1000_val);
  5389. bnx2x_ext_phy_set_pause(params, phy, vars);
  5390. bnx2x_cl45_read(bp, phy,
  5391. MDIO_AN_DEVAD,
  5392. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5393. &an_10_100_val);
  5394. bnx2x_cl45_read(bp, phy,
  5395. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5396. &autoneg_val);
  5397. /* Disable forced speed */
  5398. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5399. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5400. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5401. (phy->speed_cap_mask &
  5402. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5403. (phy->req_line_speed == SPEED_1000)) {
  5404. an_1000_val |= (1<<8);
  5405. autoneg_val |= (1<<9 | 1<<12);
  5406. if (phy->req_duplex == DUPLEX_FULL)
  5407. an_1000_val |= (1<<9);
  5408. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5409. } else
  5410. an_1000_val &= ~((1<<8) | (1<<9));
  5411. bnx2x_cl45_write(bp, phy,
  5412. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5413. an_1000_val);
  5414. /* set 10 speed advertisement */
  5415. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5416. (phy->speed_cap_mask &
  5417. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5418. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5419. an_10_100_val |= (1<<7);
  5420. /* Enable autoneg and restart autoneg for legacy speeds */
  5421. autoneg_val |= (1<<9 | 1<<12);
  5422. if (phy->req_duplex == DUPLEX_FULL)
  5423. an_10_100_val |= (1<<8);
  5424. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5425. }
  5426. /* set 10 speed advertisement */
  5427. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5428. (phy->speed_cap_mask &
  5429. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5430. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5431. an_10_100_val |= (1<<5);
  5432. autoneg_val |= (1<<9 | 1<<12);
  5433. if (phy->req_duplex == DUPLEX_FULL)
  5434. an_10_100_val |= (1<<6);
  5435. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5436. }
  5437. /* Only 10/100 are allowed to work in FORCE mode */
  5438. if (phy->req_line_speed == SPEED_100) {
  5439. autoneg_val |= (1<<13);
  5440. /* Enabled AUTO-MDIX when autoneg is disabled */
  5441. bnx2x_cl45_write(bp, phy,
  5442. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5443. (1<<15 | 1<<9 | 7<<0));
  5444. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5445. }
  5446. if (phy->req_line_speed == SPEED_10) {
  5447. /* Enabled AUTO-MDIX when autoneg is disabled */
  5448. bnx2x_cl45_write(bp, phy,
  5449. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5450. (1<<15 | 1<<9 | 7<<0));
  5451. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5452. }
  5453. bnx2x_cl45_write(bp, phy,
  5454. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5455. an_10_100_val);
  5456. if (phy->req_duplex == DUPLEX_FULL)
  5457. autoneg_val |= (1<<8);
  5458. bnx2x_cl45_write(bp, phy,
  5459. MDIO_AN_DEVAD,
  5460. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5461. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5462. (phy->speed_cap_mask &
  5463. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5464. (phy->req_line_speed == SPEED_10000)) {
  5465. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5466. /* Restart autoneg for 10G*/
  5467. bnx2x_cl45_write(bp, phy,
  5468. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5469. 0x3200);
  5470. } else if (phy->req_line_speed != SPEED_10 &&
  5471. phy->req_line_speed != SPEED_100) {
  5472. bnx2x_cl45_write(bp, phy,
  5473. MDIO_AN_DEVAD,
  5474. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5475. 1);
  5476. }
  5477. /* Save spirom version */
  5478. bnx2x_save_848xx_spirom_version(phy, params);
  5479. return 0;
  5480. }
  5481. static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5482. struct link_params *params,
  5483. struct link_vars *vars)
  5484. {
  5485. struct bnx2x *bp = params->bp;
  5486. /* Restore normal power mode*/
  5487. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5488. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5489. /* HW reset */
  5490. bnx2x_ext_phy_hw_reset(bp, params->port);
  5491. bnx2x_wait_reset_complete(bp, phy, params);
  5492. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5493. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5494. }
  5495. static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5496. struct link_params *params,
  5497. struct link_vars *vars)
  5498. {
  5499. struct bnx2x *bp = params->bp;
  5500. u8 port, initialize = 1;
  5501. u16 val, adj;
  5502. u16 temp;
  5503. u32 actual_phy_selection, cms_enable;
  5504. u8 rc = 0;
  5505. /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
  5506. adj = 0;
  5507. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5508. adj = 3;
  5509. msleep(1);
  5510. if (CHIP_IS_E2(bp))
  5511. port = BP_PATH(bp);
  5512. else
  5513. port = params->port;
  5514. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5515. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5516. port);
  5517. bnx2x_wait_reset_complete(bp, phy, params);
  5518. /* Wait for GPHY to come out of reset */
  5519. msleep(50);
  5520. /*
  5521. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5522. */
  5523. temp = vars->line_speed;
  5524. vars->line_speed = SPEED_10000;
  5525. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5526. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5527. vars->line_speed = temp;
  5528. /* Set dual-media configuration according to configuration */
  5529. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5530. MDIO_CTL_REG_84823_MEDIA + adj, &val);
  5531. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5532. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5533. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5534. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5535. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5536. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5537. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5538. actual_phy_selection = bnx2x_phy_selection(params);
  5539. switch (actual_phy_selection) {
  5540. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5541. /* Do nothing. Essentially this is like the priority copper */
  5542. break;
  5543. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5544. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5545. break;
  5546. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5547. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5548. break;
  5549. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5550. /* Do nothing here. The first PHY won't be initialized at all */
  5551. break;
  5552. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5553. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5554. initialize = 0;
  5555. break;
  5556. }
  5557. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5558. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5559. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5560. MDIO_CTL_REG_84823_MEDIA + adj, val);
  5561. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5562. params->multi_phy_config, val);
  5563. if (initialize)
  5564. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5565. else
  5566. bnx2x_save_848xx_spirom_version(phy, params);
  5567. cms_enable = REG_RD(bp, params->shmem_base +
  5568. offsetof(struct shmem_region,
  5569. dev_info.port_hw_config[params->port].default_cfg)) &
  5570. PORT_HW_CFG_ENABLE_CMS_MASK;
  5571. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5572. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5573. if (cms_enable)
  5574. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5575. else
  5576. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5577. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5578. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5579. return rc;
  5580. }
  5581. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5582. struct link_params *params,
  5583. struct link_vars *vars)
  5584. {
  5585. struct bnx2x *bp = params->bp;
  5586. u16 val, val1, val2, adj;
  5587. u8 link_up = 0;
  5588. /* Reg offset adjustment for 84833 */
  5589. adj = 0;
  5590. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5591. adj = -1;
  5592. /* Check 10G-BaseT link status */
  5593. /* Check PMD signal ok */
  5594. bnx2x_cl45_read(bp, phy,
  5595. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5596. bnx2x_cl45_read(bp, phy,
  5597. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj,
  5598. &val2);
  5599. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5600. /* Check link 10G */
  5601. if (val2 & (1<<11)) {
  5602. vars->line_speed = SPEED_10000;
  5603. vars->duplex = DUPLEX_FULL;
  5604. link_up = 1;
  5605. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5606. } else { /* Check Legacy speed link */
  5607. u16 legacy_status, legacy_speed;
  5608. /* Enable expansion register 0x42 (Operation mode status) */
  5609. bnx2x_cl45_write(bp, phy,
  5610. MDIO_AN_DEVAD,
  5611. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5612. /* Get legacy speed operation status */
  5613. bnx2x_cl45_read(bp, phy,
  5614. MDIO_AN_DEVAD,
  5615. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5616. &legacy_status);
  5617. DP(NETIF_MSG_LINK, "Legacy speed status"
  5618. " = 0x%x\n", legacy_status);
  5619. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5620. if (link_up) {
  5621. legacy_speed = (legacy_status & (3<<9));
  5622. if (legacy_speed == (0<<9))
  5623. vars->line_speed = SPEED_10;
  5624. else if (legacy_speed == (1<<9))
  5625. vars->line_speed = SPEED_100;
  5626. else if (legacy_speed == (2<<9))
  5627. vars->line_speed = SPEED_1000;
  5628. else /* Should not happen */
  5629. vars->line_speed = 0;
  5630. if (legacy_status & (1<<8))
  5631. vars->duplex = DUPLEX_FULL;
  5632. else
  5633. vars->duplex = DUPLEX_HALF;
  5634. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5635. " is_duplex_full= %d\n", vars->line_speed,
  5636. (vars->duplex == DUPLEX_FULL));
  5637. /* Check legacy speed AN resolution */
  5638. bnx2x_cl45_read(bp, phy,
  5639. MDIO_AN_DEVAD,
  5640. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5641. &val);
  5642. if (val & (1<<5))
  5643. vars->link_status |=
  5644. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5645. bnx2x_cl45_read(bp, phy,
  5646. MDIO_AN_DEVAD,
  5647. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5648. &val);
  5649. if ((val & (1<<0)) == 0)
  5650. vars->link_status |=
  5651. LINK_STATUS_PARALLEL_DETECTION_USED;
  5652. }
  5653. }
  5654. if (link_up) {
  5655. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5656. vars->line_speed);
  5657. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5658. }
  5659. return link_up;
  5660. }
  5661. static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5662. {
  5663. u8 status = 0;
  5664. u32 spirom_ver;
  5665. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5666. status = bnx2x_format_ver(spirom_ver, str, len);
  5667. return status;
  5668. }
  5669. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5670. struct link_params *params)
  5671. {
  5672. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5673. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5674. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5675. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5676. }
  5677. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5678. struct link_params *params)
  5679. {
  5680. bnx2x_cl45_write(params->bp, phy,
  5681. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5682. bnx2x_cl45_write(params->bp, phy,
  5683. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5684. }
  5685. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5686. struct link_params *params)
  5687. {
  5688. struct bnx2x *bp = params->bp;
  5689. u8 port;
  5690. if (CHIP_IS_E2(bp))
  5691. port = BP_PATH(bp);
  5692. else
  5693. port = params->port;
  5694. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5695. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5696. port);
  5697. }
  5698. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5699. struct link_params *params, u8 mode)
  5700. {
  5701. struct bnx2x *bp = params->bp;
  5702. u16 val;
  5703. switch (mode) {
  5704. case LED_MODE_OFF:
  5705. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
  5706. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5707. SHARED_HW_CFG_LED_EXTPHY1) {
  5708. /* Set LED masks */
  5709. bnx2x_cl45_write(bp, phy,
  5710. MDIO_PMA_DEVAD,
  5711. MDIO_PMA_REG_8481_LED1_MASK,
  5712. 0x0);
  5713. bnx2x_cl45_write(bp, phy,
  5714. MDIO_PMA_DEVAD,
  5715. MDIO_PMA_REG_8481_LED2_MASK,
  5716. 0x0);
  5717. bnx2x_cl45_write(bp, phy,
  5718. MDIO_PMA_DEVAD,
  5719. MDIO_PMA_REG_8481_LED3_MASK,
  5720. 0x0);
  5721. bnx2x_cl45_write(bp, phy,
  5722. MDIO_PMA_DEVAD,
  5723. MDIO_PMA_REG_8481_LED5_MASK,
  5724. 0x0);
  5725. } else {
  5726. bnx2x_cl45_write(bp, phy,
  5727. MDIO_PMA_DEVAD,
  5728. MDIO_PMA_REG_8481_LED1_MASK,
  5729. 0x0);
  5730. }
  5731. break;
  5732. case LED_MODE_FRONT_PANEL_OFF:
  5733. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5734. params->port);
  5735. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5736. SHARED_HW_CFG_LED_EXTPHY1) {
  5737. /* Set LED masks */
  5738. bnx2x_cl45_write(bp, phy,
  5739. MDIO_PMA_DEVAD,
  5740. MDIO_PMA_REG_8481_LED1_MASK,
  5741. 0x0);
  5742. bnx2x_cl45_write(bp, phy,
  5743. MDIO_PMA_DEVAD,
  5744. MDIO_PMA_REG_8481_LED2_MASK,
  5745. 0x0);
  5746. bnx2x_cl45_write(bp, phy,
  5747. MDIO_PMA_DEVAD,
  5748. MDIO_PMA_REG_8481_LED3_MASK,
  5749. 0x0);
  5750. bnx2x_cl45_write(bp, phy,
  5751. MDIO_PMA_DEVAD,
  5752. MDIO_PMA_REG_8481_LED5_MASK,
  5753. 0x20);
  5754. } else {
  5755. bnx2x_cl45_write(bp, phy,
  5756. MDIO_PMA_DEVAD,
  5757. MDIO_PMA_REG_8481_LED1_MASK,
  5758. 0x0);
  5759. }
  5760. break;
  5761. case LED_MODE_ON:
  5762. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
  5763. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5764. SHARED_HW_CFG_LED_EXTPHY1) {
  5765. /* Set control reg */
  5766. bnx2x_cl45_read(bp, phy,
  5767. MDIO_PMA_DEVAD,
  5768. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5769. &val);
  5770. val &= 0x8000;
  5771. val |= 0x2492;
  5772. bnx2x_cl45_write(bp, phy,
  5773. MDIO_PMA_DEVAD,
  5774. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5775. val);
  5776. /* Set LED masks */
  5777. bnx2x_cl45_write(bp, phy,
  5778. MDIO_PMA_DEVAD,
  5779. MDIO_PMA_REG_8481_LED1_MASK,
  5780. 0x0);
  5781. bnx2x_cl45_write(bp, phy,
  5782. MDIO_PMA_DEVAD,
  5783. MDIO_PMA_REG_8481_LED2_MASK,
  5784. 0x20);
  5785. bnx2x_cl45_write(bp, phy,
  5786. MDIO_PMA_DEVAD,
  5787. MDIO_PMA_REG_8481_LED3_MASK,
  5788. 0x20);
  5789. bnx2x_cl45_write(bp, phy,
  5790. MDIO_PMA_DEVAD,
  5791. MDIO_PMA_REG_8481_LED5_MASK,
  5792. 0x0);
  5793. } else {
  5794. bnx2x_cl45_write(bp, phy,
  5795. MDIO_PMA_DEVAD,
  5796. MDIO_PMA_REG_8481_LED1_MASK,
  5797. 0x20);
  5798. }
  5799. break;
  5800. case LED_MODE_OPER:
  5801. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
  5802. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5803. SHARED_HW_CFG_LED_EXTPHY1) {
  5804. /* Set control reg */
  5805. bnx2x_cl45_read(bp, phy,
  5806. MDIO_PMA_DEVAD,
  5807. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5808. &val);
  5809. if (!((val &
  5810. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5811. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5812. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5813. bnx2x_cl45_write(bp, phy,
  5814. MDIO_PMA_DEVAD,
  5815. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5816. 0xa492);
  5817. }
  5818. /* Set LED masks */
  5819. bnx2x_cl45_write(bp, phy,
  5820. MDIO_PMA_DEVAD,
  5821. MDIO_PMA_REG_8481_LED1_MASK,
  5822. 0x10);
  5823. bnx2x_cl45_write(bp, phy,
  5824. MDIO_PMA_DEVAD,
  5825. MDIO_PMA_REG_8481_LED2_MASK,
  5826. 0x80);
  5827. bnx2x_cl45_write(bp, phy,
  5828. MDIO_PMA_DEVAD,
  5829. MDIO_PMA_REG_8481_LED3_MASK,
  5830. 0x98);
  5831. bnx2x_cl45_write(bp, phy,
  5832. MDIO_PMA_DEVAD,
  5833. MDIO_PMA_REG_8481_LED5_MASK,
  5834. 0x40);
  5835. } else {
  5836. bnx2x_cl45_write(bp, phy,
  5837. MDIO_PMA_DEVAD,
  5838. MDIO_PMA_REG_8481_LED1_MASK,
  5839. 0x80);
  5840. /* Tell LED3 to blink on source */
  5841. bnx2x_cl45_read(bp, phy,
  5842. MDIO_PMA_DEVAD,
  5843. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5844. &val);
  5845. val &= ~(7<<6);
  5846. val |= (1<<6); /* A83B[8:6]= 1 */
  5847. bnx2x_cl45_write(bp, phy,
  5848. MDIO_PMA_DEVAD,
  5849. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5850. val);
  5851. }
  5852. break;
  5853. }
  5854. }
  5855. /******************************************************************/
  5856. /* SFX7101 PHY SECTION */
  5857. /******************************************************************/
  5858. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  5859. struct link_params *params)
  5860. {
  5861. struct bnx2x *bp = params->bp;
  5862. /* SFX7101_XGXS_TEST1 */
  5863. bnx2x_cl45_write(bp, phy,
  5864. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  5865. }
  5866. static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
  5867. struct link_params *params,
  5868. struct link_vars *vars)
  5869. {
  5870. u16 fw_ver1, fw_ver2, val;
  5871. struct bnx2x *bp = params->bp;
  5872. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  5873. /* Restore normal power mode*/
  5874. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5875. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5876. /* HW reset */
  5877. bnx2x_ext_phy_hw_reset(bp, params->port);
  5878. bnx2x_wait_reset_complete(bp, phy, params);
  5879. bnx2x_cl45_write(bp, phy,
  5880. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  5881. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  5882. bnx2x_cl45_write(bp, phy,
  5883. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  5884. bnx2x_ext_phy_set_pause(params, phy, vars);
  5885. /* Restart autoneg */
  5886. bnx2x_cl45_read(bp, phy,
  5887. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  5888. val |= 0x200;
  5889. bnx2x_cl45_write(bp, phy,
  5890. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  5891. /* Save spirom version */
  5892. bnx2x_cl45_read(bp, phy,
  5893. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  5894. bnx2x_cl45_read(bp, phy,
  5895. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  5896. bnx2x_save_spirom_version(bp, params->port,
  5897. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  5898. return 0;
  5899. }
  5900. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  5901. struct link_params *params,
  5902. struct link_vars *vars)
  5903. {
  5904. struct bnx2x *bp = params->bp;
  5905. u8 link_up;
  5906. u16 val1, val2;
  5907. bnx2x_cl45_read(bp, phy,
  5908. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  5909. bnx2x_cl45_read(bp, phy,
  5910. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5911. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  5912. val2, val1);
  5913. bnx2x_cl45_read(bp, phy,
  5914. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  5915. bnx2x_cl45_read(bp, phy,
  5916. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  5917. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  5918. val2, val1);
  5919. link_up = ((val1 & 4) == 4);
  5920. /* if link is up print the AN outcome of the SFX7101 PHY */
  5921. if (link_up) {
  5922. bnx2x_cl45_read(bp, phy,
  5923. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  5924. &val2);
  5925. vars->line_speed = SPEED_10000;
  5926. vars->duplex = DUPLEX_FULL;
  5927. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  5928. val2, (val2 & (1<<14)));
  5929. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5930. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5931. }
  5932. return link_up;
  5933. }
  5934. static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5935. {
  5936. if (*len < 5)
  5937. return -EINVAL;
  5938. str[0] = (spirom_ver & 0xFF);
  5939. str[1] = (spirom_ver & 0xFF00) >> 8;
  5940. str[2] = (spirom_ver & 0xFF0000) >> 16;
  5941. str[3] = (spirom_ver & 0xFF000000) >> 24;
  5942. str[4] = '\0';
  5943. *len -= 5;
  5944. return 0;
  5945. }
  5946. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  5947. {
  5948. u16 val, cnt;
  5949. bnx2x_cl45_read(bp, phy,
  5950. MDIO_PMA_DEVAD,
  5951. MDIO_PMA_REG_7101_RESET, &val);
  5952. for (cnt = 0; cnt < 10; cnt++) {
  5953. msleep(50);
  5954. /* Writes a self-clearing reset */
  5955. bnx2x_cl45_write(bp, phy,
  5956. MDIO_PMA_DEVAD,
  5957. MDIO_PMA_REG_7101_RESET,
  5958. (val | (1<<15)));
  5959. /* Wait for clear */
  5960. bnx2x_cl45_read(bp, phy,
  5961. MDIO_PMA_DEVAD,
  5962. MDIO_PMA_REG_7101_RESET, &val);
  5963. if ((val & (1<<15)) == 0)
  5964. break;
  5965. }
  5966. }
  5967. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  5968. struct link_params *params) {
  5969. /* Low power mode is controlled by GPIO 2 */
  5970. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  5971. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5972. /* The PHY reset is controlled by GPIO 1 */
  5973. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5974. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5975. }
  5976. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  5977. struct link_params *params, u8 mode)
  5978. {
  5979. u16 val = 0;
  5980. struct bnx2x *bp = params->bp;
  5981. switch (mode) {
  5982. case LED_MODE_FRONT_PANEL_OFF:
  5983. case LED_MODE_OFF:
  5984. val = 2;
  5985. break;
  5986. case LED_MODE_ON:
  5987. val = 1;
  5988. break;
  5989. case LED_MODE_OPER:
  5990. val = 0;
  5991. break;
  5992. }
  5993. bnx2x_cl45_write(bp, phy,
  5994. MDIO_PMA_DEVAD,
  5995. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  5996. val);
  5997. }
  5998. /******************************************************************/
  5999. /* STATIC PHY DECLARATION */
  6000. /******************************************************************/
  6001. static struct bnx2x_phy phy_null = {
  6002. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6003. .addr = 0,
  6004. .flags = FLAGS_INIT_XGXS_FIRST,
  6005. .def_md_devad = 0,
  6006. .reserved = 0,
  6007. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6008. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6009. .mdio_ctrl = 0,
  6010. .supported = 0,
  6011. .media_type = ETH_PHY_NOT_PRESENT,
  6012. .ver_addr = 0,
  6013. .req_flow_ctrl = 0,
  6014. .req_line_speed = 0,
  6015. .speed_cap_mask = 0,
  6016. .req_duplex = 0,
  6017. .rsrv = 0,
  6018. .config_init = (config_init_t)NULL,
  6019. .read_status = (read_status_t)NULL,
  6020. .link_reset = (link_reset_t)NULL,
  6021. .config_loopback = (config_loopback_t)NULL,
  6022. .format_fw_ver = (format_fw_ver_t)NULL,
  6023. .hw_reset = (hw_reset_t)NULL,
  6024. .set_link_led = (set_link_led_t)NULL,
  6025. .phy_specific_func = (phy_specific_func_t)NULL
  6026. };
  6027. static struct bnx2x_phy phy_serdes = {
  6028. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6029. .addr = 0xff,
  6030. .flags = 0,
  6031. .def_md_devad = 0,
  6032. .reserved = 0,
  6033. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6034. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6035. .mdio_ctrl = 0,
  6036. .supported = (SUPPORTED_10baseT_Half |
  6037. SUPPORTED_10baseT_Full |
  6038. SUPPORTED_100baseT_Half |
  6039. SUPPORTED_100baseT_Full |
  6040. SUPPORTED_1000baseT_Full |
  6041. SUPPORTED_2500baseX_Full |
  6042. SUPPORTED_TP |
  6043. SUPPORTED_Autoneg |
  6044. SUPPORTED_Pause |
  6045. SUPPORTED_Asym_Pause),
  6046. .media_type = ETH_PHY_UNSPECIFIED,
  6047. .ver_addr = 0,
  6048. .req_flow_ctrl = 0,
  6049. .req_line_speed = 0,
  6050. .speed_cap_mask = 0,
  6051. .req_duplex = 0,
  6052. .rsrv = 0,
  6053. .config_init = (config_init_t)bnx2x_init_serdes,
  6054. .read_status = (read_status_t)bnx2x_link_settings_status,
  6055. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6056. .config_loopback = (config_loopback_t)NULL,
  6057. .format_fw_ver = (format_fw_ver_t)NULL,
  6058. .hw_reset = (hw_reset_t)NULL,
  6059. .set_link_led = (set_link_led_t)NULL,
  6060. .phy_specific_func = (phy_specific_func_t)NULL
  6061. };
  6062. static struct bnx2x_phy phy_xgxs = {
  6063. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6064. .addr = 0xff,
  6065. .flags = 0,
  6066. .def_md_devad = 0,
  6067. .reserved = 0,
  6068. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6069. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6070. .mdio_ctrl = 0,
  6071. .supported = (SUPPORTED_10baseT_Half |
  6072. SUPPORTED_10baseT_Full |
  6073. SUPPORTED_100baseT_Half |
  6074. SUPPORTED_100baseT_Full |
  6075. SUPPORTED_1000baseT_Full |
  6076. SUPPORTED_2500baseX_Full |
  6077. SUPPORTED_10000baseT_Full |
  6078. SUPPORTED_FIBRE |
  6079. SUPPORTED_Autoneg |
  6080. SUPPORTED_Pause |
  6081. SUPPORTED_Asym_Pause),
  6082. .media_type = ETH_PHY_UNSPECIFIED,
  6083. .ver_addr = 0,
  6084. .req_flow_ctrl = 0,
  6085. .req_line_speed = 0,
  6086. .speed_cap_mask = 0,
  6087. .req_duplex = 0,
  6088. .rsrv = 0,
  6089. .config_init = (config_init_t)bnx2x_init_xgxs,
  6090. .read_status = (read_status_t)bnx2x_link_settings_status,
  6091. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6092. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6093. .format_fw_ver = (format_fw_ver_t)NULL,
  6094. .hw_reset = (hw_reset_t)NULL,
  6095. .set_link_led = (set_link_led_t)NULL,
  6096. .phy_specific_func = (phy_specific_func_t)NULL
  6097. };
  6098. static struct bnx2x_phy phy_7101 = {
  6099. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6100. .addr = 0xff,
  6101. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6102. .def_md_devad = 0,
  6103. .reserved = 0,
  6104. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6105. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6106. .mdio_ctrl = 0,
  6107. .supported = (SUPPORTED_10000baseT_Full |
  6108. SUPPORTED_TP |
  6109. SUPPORTED_Autoneg |
  6110. SUPPORTED_Pause |
  6111. SUPPORTED_Asym_Pause),
  6112. .media_type = ETH_PHY_BASE_T,
  6113. .ver_addr = 0,
  6114. .req_flow_ctrl = 0,
  6115. .req_line_speed = 0,
  6116. .speed_cap_mask = 0,
  6117. .req_duplex = 0,
  6118. .rsrv = 0,
  6119. .config_init = (config_init_t)bnx2x_7101_config_init,
  6120. .read_status = (read_status_t)bnx2x_7101_read_status,
  6121. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6122. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6123. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6124. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6125. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6126. .phy_specific_func = (phy_specific_func_t)NULL
  6127. };
  6128. static struct bnx2x_phy phy_8073 = {
  6129. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6130. .addr = 0xff,
  6131. .flags = FLAGS_HW_LOCK_REQUIRED,
  6132. .def_md_devad = 0,
  6133. .reserved = 0,
  6134. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6135. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6136. .mdio_ctrl = 0,
  6137. .supported = (SUPPORTED_10000baseT_Full |
  6138. SUPPORTED_2500baseX_Full |
  6139. SUPPORTED_1000baseT_Full |
  6140. SUPPORTED_FIBRE |
  6141. SUPPORTED_Autoneg |
  6142. SUPPORTED_Pause |
  6143. SUPPORTED_Asym_Pause),
  6144. .media_type = ETH_PHY_UNSPECIFIED,
  6145. .ver_addr = 0,
  6146. .req_flow_ctrl = 0,
  6147. .req_line_speed = 0,
  6148. .speed_cap_mask = 0,
  6149. .req_duplex = 0,
  6150. .rsrv = 0,
  6151. .config_init = (config_init_t)bnx2x_8073_config_init,
  6152. .read_status = (read_status_t)bnx2x_8073_read_status,
  6153. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6154. .config_loopback = (config_loopback_t)NULL,
  6155. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6156. .hw_reset = (hw_reset_t)NULL,
  6157. .set_link_led = (set_link_led_t)NULL,
  6158. .phy_specific_func = (phy_specific_func_t)NULL
  6159. };
  6160. static struct bnx2x_phy phy_8705 = {
  6161. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6162. .addr = 0xff,
  6163. .flags = FLAGS_INIT_XGXS_FIRST,
  6164. .def_md_devad = 0,
  6165. .reserved = 0,
  6166. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6167. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6168. .mdio_ctrl = 0,
  6169. .supported = (SUPPORTED_10000baseT_Full |
  6170. SUPPORTED_FIBRE |
  6171. SUPPORTED_Pause |
  6172. SUPPORTED_Asym_Pause),
  6173. .media_type = ETH_PHY_XFP_FIBER,
  6174. .ver_addr = 0,
  6175. .req_flow_ctrl = 0,
  6176. .req_line_speed = 0,
  6177. .speed_cap_mask = 0,
  6178. .req_duplex = 0,
  6179. .rsrv = 0,
  6180. .config_init = (config_init_t)bnx2x_8705_config_init,
  6181. .read_status = (read_status_t)bnx2x_8705_read_status,
  6182. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6183. .config_loopback = (config_loopback_t)NULL,
  6184. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6185. .hw_reset = (hw_reset_t)NULL,
  6186. .set_link_led = (set_link_led_t)NULL,
  6187. .phy_specific_func = (phy_specific_func_t)NULL
  6188. };
  6189. static struct bnx2x_phy phy_8706 = {
  6190. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6191. .addr = 0xff,
  6192. .flags = FLAGS_INIT_XGXS_FIRST,
  6193. .def_md_devad = 0,
  6194. .reserved = 0,
  6195. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6196. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6197. .mdio_ctrl = 0,
  6198. .supported = (SUPPORTED_10000baseT_Full |
  6199. SUPPORTED_1000baseT_Full |
  6200. SUPPORTED_FIBRE |
  6201. SUPPORTED_Pause |
  6202. SUPPORTED_Asym_Pause),
  6203. .media_type = ETH_PHY_SFP_FIBER,
  6204. .ver_addr = 0,
  6205. .req_flow_ctrl = 0,
  6206. .req_line_speed = 0,
  6207. .speed_cap_mask = 0,
  6208. .req_duplex = 0,
  6209. .rsrv = 0,
  6210. .config_init = (config_init_t)bnx2x_8706_config_init,
  6211. .read_status = (read_status_t)bnx2x_8706_read_status,
  6212. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6213. .config_loopback = (config_loopback_t)NULL,
  6214. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6215. .hw_reset = (hw_reset_t)NULL,
  6216. .set_link_led = (set_link_led_t)NULL,
  6217. .phy_specific_func = (phy_specific_func_t)NULL
  6218. };
  6219. static struct bnx2x_phy phy_8726 = {
  6220. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6221. .addr = 0xff,
  6222. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6223. FLAGS_INIT_XGXS_FIRST),
  6224. .def_md_devad = 0,
  6225. .reserved = 0,
  6226. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6227. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6228. .mdio_ctrl = 0,
  6229. .supported = (SUPPORTED_10000baseT_Full |
  6230. SUPPORTED_1000baseT_Full |
  6231. SUPPORTED_Autoneg |
  6232. SUPPORTED_FIBRE |
  6233. SUPPORTED_Pause |
  6234. SUPPORTED_Asym_Pause),
  6235. .media_type = ETH_PHY_SFP_FIBER,
  6236. .ver_addr = 0,
  6237. .req_flow_ctrl = 0,
  6238. .req_line_speed = 0,
  6239. .speed_cap_mask = 0,
  6240. .req_duplex = 0,
  6241. .rsrv = 0,
  6242. .config_init = (config_init_t)bnx2x_8726_config_init,
  6243. .read_status = (read_status_t)bnx2x_8726_read_status,
  6244. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6245. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6246. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6247. .hw_reset = (hw_reset_t)NULL,
  6248. .set_link_led = (set_link_led_t)NULL,
  6249. .phy_specific_func = (phy_specific_func_t)NULL
  6250. };
  6251. static struct bnx2x_phy phy_8727 = {
  6252. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6253. .addr = 0xff,
  6254. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6255. .def_md_devad = 0,
  6256. .reserved = 0,
  6257. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6258. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6259. .mdio_ctrl = 0,
  6260. .supported = (SUPPORTED_10000baseT_Full |
  6261. SUPPORTED_1000baseT_Full |
  6262. SUPPORTED_FIBRE |
  6263. SUPPORTED_Pause |
  6264. SUPPORTED_Asym_Pause),
  6265. .media_type = ETH_PHY_SFP_FIBER,
  6266. .ver_addr = 0,
  6267. .req_flow_ctrl = 0,
  6268. .req_line_speed = 0,
  6269. .speed_cap_mask = 0,
  6270. .req_duplex = 0,
  6271. .rsrv = 0,
  6272. .config_init = (config_init_t)bnx2x_8727_config_init,
  6273. .read_status = (read_status_t)bnx2x_8727_read_status,
  6274. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6275. .config_loopback = (config_loopback_t)NULL,
  6276. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6277. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6278. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6279. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6280. };
  6281. static struct bnx2x_phy phy_8481 = {
  6282. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6283. .addr = 0xff,
  6284. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6285. FLAGS_REARM_LATCH_SIGNAL,
  6286. .def_md_devad = 0,
  6287. .reserved = 0,
  6288. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6289. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6290. .mdio_ctrl = 0,
  6291. .supported = (SUPPORTED_10baseT_Half |
  6292. SUPPORTED_10baseT_Full |
  6293. SUPPORTED_100baseT_Half |
  6294. SUPPORTED_100baseT_Full |
  6295. SUPPORTED_1000baseT_Full |
  6296. SUPPORTED_10000baseT_Full |
  6297. SUPPORTED_TP |
  6298. SUPPORTED_Autoneg |
  6299. SUPPORTED_Pause |
  6300. SUPPORTED_Asym_Pause),
  6301. .media_type = ETH_PHY_BASE_T,
  6302. .ver_addr = 0,
  6303. .req_flow_ctrl = 0,
  6304. .req_line_speed = 0,
  6305. .speed_cap_mask = 0,
  6306. .req_duplex = 0,
  6307. .rsrv = 0,
  6308. .config_init = (config_init_t)bnx2x_8481_config_init,
  6309. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6310. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6311. .config_loopback = (config_loopback_t)NULL,
  6312. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6313. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6314. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6315. .phy_specific_func = (phy_specific_func_t)NULL
  6316. };
  6317. static struct bnx2x_phy phy_84823 = {
  6318. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6319. .addr = 0xff,
  6320. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6321. FLAGS_REARM_LATCH_SIGNAL,
  6322. .def_md_devad = 0,
  6323. .reserved = 0,
  6324. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6325. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6326. .mdio_ctrl = 0,
  6327. .supported = (SUPPORTED_10baseT_Half |
  6328. SUPPORTED_10baseT_Full |
  6329. SUPPORTED_100baseT_Half |
  6330. SUPPORTED_100baseT_Full |
  6331. SUPPORTED_1000baseT_Full |
  6332. SUPPORTED_10000baseT_Full |
  6333. SUPPORTED_TP |
  6334. SUPPORTED_Autoneg |
  6335. SUPPORTED_Pause |
  6336. SUPPORTED_Asym_Pause),
  6337. .media_type = ETH_PHY_BASE_T,
  6338. .ver_addr = 0,
  6339. .req_flow_ctrl = 0,
  6340. .req_line_speed = 0,
  6341. .speed_cap_mask = 0,
  6342. .req_duplex = 0,
  6343. .rsrv = 0,
  6344. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6345. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6346. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6347. .config_loopback = (config_loopback_t)NULL,
  6348. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6349. .hw_reset = (hw_reset_t)NULL,
  6350. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6351. .phy_specific_func = (phy_specific_func_t)NULL
  6352. };
  6353. static struct bnx2x_phy phy_84833 = {
  6354. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6355. .addr = 0xff,
  6356. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6357. FLAGS_REARM_LATCH_SIGNAL,
  6358. .def_md_devad = 0,
  6359. .reserved = 0,
  6360. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6361. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6362. .mdio_ctrl = 0,
  6363. .supported = (SUPPORTED_10baseT_Half |
  6364. SUPPORTED_10baseT_Full |
  6365. SUPPORTED_100baseT_Half |
  6366. SUPPORTED_100baseT_Full |
  6367. SUPPORTED_1000baseT_Full |
  6368. SUPPORTED_10000baseT_Full |
  6369. SUPPORTED_TP |
  6370. SUPPORTED_Autoneg |
  6371. SUPPORTED_Pause |
  6372. SUPPORTED_Asym_Pause),
  6373. .media_type = ETH_PHY_BASE_T,
  6374. .ver_addr = 0,
  6375. .req_flow_ctrl = 0,
  6376. .req_line_speed = 0,
  6377. .speed_cap_mask = 0,
  6378. .req_duplex = 0,
  6379. .rsrv = 0,
  6380. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6381. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6382. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6383. .config_loopback = (config_loopback_t)NULL,
  6384. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6385. .hw_reset = (hw_reset_t)NULL,
  6386. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6387. .phy_specific_func = (phy_specific_func_t)NULL
  6388. };
  6389. /*****************************************************************/
  6390. /* */
  6391. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6392. /* */
  6393. /*****************************************************************/
  6394. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6395. struct bnx2x_phy *phy, u8 port,
  6396. u8 phy_index)
  6397. {
  6398. /* Get the 4 lanes xgxs config rx and tx */
  6399. u32 rx = 0, tx = 0, i;
  6400. for (i = 0; i < 2; i++) {
  6401. /*
  6402. * INT_PHY and EXT_PHY1 share the same value location in the
  6403. * shmem. When num_phys is greater than 1, than this value
  6404. * applies only to EXT_PHY1
  6405. */
  6406. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6407. rx = REG_RD(bp, shmem_base +
  6408. offsetof(struct shmem_region,
  6409. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6410. tx = REG_RD(bp, shmem_base +
  6411. offsetof(struct shmem_region,
  6412. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6413. } else {
  6414. rx = REG_RD(bp, shmem_base +
  6415. offsetof(struct shmem_region,
  6416. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6417. tx = REG_RD(bp, shmem_base +
  6418. offsetof(struct shmem_region,
  6419. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6420. }
  6421. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6422. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6423. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6424. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6425. }
  6426. }
  6427. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6428. u8 phy_index, u8 port)
  6429. {
  6430. u32 ext_phy_config = 0;
  6431. switch (phy_index) {
  6432. case EXT_PHY1:
  6433. ext_phy_config = REG_RD(bp, shmem_base +
  6434. offsetof(struct shmem_region,
  6435. dev_info.port_hw_config[port].external_phy_config));
  6436. break;
  6437. case EXT_PHY2:
  6438. ext_phy_config = REG_RD(bp, shmem_base +
  6439. offsetof(struct shmem_region,
  6440. dev_info.port_hw_config[port].external_phy_config2));
  6441. break;
  6442. default:
  6443. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6444. return -EINVAL;
  6445. }
  6446. return ext_phy_config;
  6447. }
  6448. static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6449. struct bnx2x_phy *phy)
  6450. {
  6451. u32 phy_addr;
  6452. u32 chip_id;
  6453. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6454. offsetof(struct shmem_region,
  6455. dev_info.port_feature_config[port].link_config)) &
  6456. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6457. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6458. switch (switch_cfg) {
  6459. case SWITCH_CFG_1G:
  6460. phy_addr = REG_RD(bp,
  6461. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6462. port * 0x10);
  6463. *phy = phy_serdes;
  6464. break;
  6465. case SWITCH_CFG_10G:
  6466. phy_addr = REG_RD(bp,
  6467. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6468. port * 0x18);
  6469. *phy = phy_xgxs;
  6470. break;
  6471. default:
  6472. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6473. return -EINVAL;
  6474. }
  6475. phy->addr = (u8)phy_addr;
  6476. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6477. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6478. port);
  6479. if (CHIP_IS_E2(bp))
  6480. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6481. else
  6482. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6483. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6484. port, phy->addr, phy->mdio_ctrl);
  6485. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6486. return 0;
  6487. }
  6488. static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
  6489. u8 phy_index,
  6490. u32 shmem_base,
  6491. u32 shmem2_base,
  6492. u8 port,
  6493. struct bnx2x_phy *phy)
  6494. {
  6495. u32 ext_phy_config, phy_type, config2;
  6496. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6497. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6498. phy_index, port);
  6499. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6500. /* Select the phy type */
  6501. switch (phy_type) {
  6502. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6503. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6504. *phy = phy_8073;
  6505. break;
  6506. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6507. *phy = phy_8705;
  6508. break;
  6509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6510. *phy = phy_8706;
  6511. break;
  6512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6513. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6514. *phy = phy_8726;
  6515. break;
  6516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6517. /* BCM8727_NOC => BCM8727 no over current */
  6518. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6519. *phy = phy_8727;
  6520. phy->flags |= FLAGS_NOC;
  6521. break;
  6522. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6523. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6524. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6525. *phy = phy_8727;
  6526. break;
  6527. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6528. *phy = phy_8481;
  6529. break;
  6530. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6531. *phy = phy_84823;
  6532. break;
  6533. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6534. *phy = phy_84833;
  6535. break;
  6536. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6537. *phy = phy_7101;
  6538. break;
  6539. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6540. *phy = phy_null;
  6541. return -EINVAL;
  6542. default:
  6543. *phy = phy_null;
  6544. return 0;
  6545. }
  6546. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6547. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6548. /*
  6549. * The shmem address of the phy version is located on different
  6550. * structures. In case this structure is too old, do not set
  6551. * the address
  6552. */
  6553. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6554. dev_info.shared_hw_config.config2));
  6555. if (phy_index == EXT_PHY1) {
  6556. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6557. port_mb[port].ext_phy_fw_version);
  6558. /* Check specific mdc mdio settings */
  6559. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6560. mdc_mdio_access = config2 &
  6561. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6562. } else {
  6563. u32 size = REG_RD(bp, shmem2_base);
  6564. if (size >
  6565. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6566. phy->ver_addr = shmem2_base +
  6567. offsetof(struct shmem2_region,
  6568. ext_phy_fw_version2[port]);
  6569. }
  6570. /* Check specific mdc mdio settings */
  6571. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6572. mdc_mdio_access = (config2 &
  6573. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6574. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6575. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6576. }
  6577. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6578. /*
  6579. * In case mdc/mdio_access of the external phy is different than the
  6580. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6581. * to prevent one port interfere with another port's CL45 operations.
  6582. */
  6583. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6584. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6585. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6586. phy_type, port, phy_index);
  6587. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6588. phy->addr, phy->mdio_ctrl);
  6589. return 0;
  6590. }
  6591. static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6592. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6593. {
  6594. u8 status = 0;
  6595. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6596. if (phy_index == INT_PHY)
  6597. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6598. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6599. port, phy);
  6600. return status;
  6601. }
  6602. static void bnx2x_phy_def_cfg(struct link_params *params,
  6603. struct bnx2x_phy *phy,
  6604. u8 phy_index)
  6605. {
  6606. struct bnx2x *bp = params->bp;
  6607. u32 link_config;
  6608. /* Populate the default phy configuration for MF mode */
  6609. if (phy_index == EXT_PHY2) {
  6610. link_config = REG_RD(bp, params->shmem_base +
  6611. offsetof(struct shmem_region, dev_info.
  6612. port_feature_config[params->port].link_config2));
  6613. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6614. offsetof(struct shmem_region,
  6615. dev_info.
  6616. port_hw_config[params->port].speed_capability_mask2));
  6617. } else {
  6618. link_config = REG_RD(bp, params->shmem_base +
  6619. offsetof(struct shmem_region, dev_info.
  6620. port_feature_config[params->port].link_config));
  6621. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6622. offsetof(struct shmem_region,
  6623. dev_info.
  6624. port_hw_config[params->port].speed_capability_mask));
  6625. }
  6626. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6627. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6628. phy->req_duplex = DUPLEX_FULL;
  6629. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6630. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6631. phy->req_duplex = DUPLEX_HALF;
  6632. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6633. phy->req_line_speed = SPEED_10;
  6634. break;
  6635. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6636. phy->req_duplex = DUPLEX_HALF;
  6637. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6638. phy->req_line_speed = SPEED_100;
  6639. break;
  6640. case PORT_FEATURE_LINK_SPEED_1G:
  6641. phy->req_line_speed = SPEED_1000;
  6642. break;
  6643. case PORT_FEATURE_LINK_SPEED_2_5G:
  6644. phy->req_line_speed = SPEED_2500;
  6645. break;
  6646. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6647. phy->req_line_speed = SPEED_10000;
  6648. break;
  6649. default:
  6650. phy->req_line_speed = SPEED_AUTO_NEG;
  6651. break;
  6652. }
  6653. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6654. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6655. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6656. break;
  6657. case PORT_FEATURE_FLOW_CONTROL_TX:
  6658. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6659. break;
  6660. case PORT_FEATURE_FLOW_CONTROL_RX:
  6661. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6662. break;
  6663. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6664. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6665. break;
  6666. default:
  6667. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6668. break;
  6669. }
  6670. }
  6671. u32 bnx2x_phy_selection(struct link_params *params)
  6672. {
  6673. u32 phy_config_swapped, prio_cfg;
  6674. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6675. phy_config_swapped = params->multi_phy_config &
  6676. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6677. prio_cfg = params->multi_phy_config &
  6678. PORT_HW_CFG_PHY_SELECTION_MASK;
  6679. if (phy_config_swapped) {
  6680. switch (prio_cfg) {
  6681. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6682. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6683. break;
  6684. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6685. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6686. break;
  6687. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6688. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6689. break;
  6690. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6691. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6692. break;
  6693. }
  6694. } else
  6695. return_cfg = prio_cfg;
  6696. return return_cfg;
  6697. }
  6698. u8 bnx2x_phy_probe(struct link_params *params)
  6699. {
  6700. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6701. u32 phy_config_swapped;
  6702. struct bnx2x *bp = params->bp;
  6703. struct bnx2x_phy *phy;
  6704. params->num_phys = 0;
  6705. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6706. phy_config_swapped = params->multi_phy_config &
  6707. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6708. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6709. phy_index++) {
  6710. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6711. actual_phy_idx = phy_index;
  6712. if (phy_config_swapped) {
  6713. if (phy_index == EXT_PHY1)
  6714. actual_phy_idx = EXT_PHY2;
  6715. else if (phy_index == EXT_PHY2)
  6716. actual_phy_idx = EXT_PHY1;
  6717. }
  6718. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6719. " actual_phy_idx %x\n", phy_config_swapped,
  6720. phy_index, actual_phy_idx);
  6721. phy = &params->phy[actual_phy_idx];
  6722. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6723. params->shmem2_base, params->port,
  6724. phy) != 0) {
  6725. params->num_phys = 0;
  6726. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6727. phy_index);
  6728. for (phy_index = INT_PHY;
  6729. phy_index < MAX_PHYS;
  6730. phy_index++)
  6731. *phy = phy_null;
  6732. return -EINVAL;
  6733. }
  6734. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6735. break;
  6736. bnx2x_phy_def_cfg(params, phy, phy_index);
  6737. params->num_phys++;
  6738. }
  6739. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6740. return 0;
  6741. }
  6742. static void set_phy_vars(struct link_params *params)
  6743. {
  6744. struct bnx2x *bp = params->bp;
  6745. u8 actual_phy_idx, phy_index, link_cfg_idx;
  6746. u8 phy_config_swapped = params->multi_phy_config &
  6747. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6748. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6749. phy_index++) {
  6750. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6751. actual_phy_idx = phy_index;
  6752. if (phy_config_swapped) {
  6753. if (phy_index == EXT_PHY1)
  6754. actual_phy_idx = EXT_PHY2;
  6755. else if (phy_index == EXT_PHY2)
  6756. actual_phy_idx = EXT_PHY1;
  6757. }
  6758. params->phy[actual_phy_idx].req_flow_ctrl =
  6759. params->req_flow_ctrl[link_cfg_idx];
  6760. params->phy[actual_phy_idx].req_line_speed =
  6761. params->req_line_speed[link_cfg_idx];
  6762. params->phy[actual_phy_idx].speed_cap_mask =
  6763. params->speed_cap_mask[link_cfg_idx];
  6764. params->phy[actual_phy_idx].req_duplex =
  6765. params->req_duplex[link_cfg_idx];
  6766. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  6767. " speed_cap_mask %x\n",
  6768. params->phy[actual_phy_idx].req_flow_ctrl,
  6769. params->phy[actual_phy_idx].req_line_speed,
  6770. params->phy[actual_phy_idx].speed_cap_mask);
  6771. }
  6772. }
  6773. u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  6774. {
  6775. struct bnx2x *bp = params->bp;
  6776. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  6777. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  6778. params->req_line_speed[0], params->req_flow_ctrl[0]);
  6779. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  6780. params->req_line_speed[1], params->req_flow_ctrl[1]);
  6781. vars->link_status = 0;
  6782. vars->phy_link_up = 0;
  6783. vars->link_up = 0;
  6784. vars->line_speed = 0;
  6785. vars->duplex = DUPLEX_FULL;
  6786. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6787. vars->mac_type = MAC_TYPE_NONE;
  6788. vars->phy_flags = 0;
  6789. /* disable attentions */
  6790. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  6791. (NIG_MASK_XGXS0_LINK_STATUS |
  6792. NIG_MASK_XGXS0_LINK10G |
  6793. NIG_MASK_SERDES0_LINK_STATUS |
  6794. NIG_MASK_MI_INT));
  6795. bnx2x_emac_init(params, vars);
  6796. if (params->num_phys == 0) {
  6797. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  6798. return -EINVAL;
  6799. }
  6800. set_phy_vars(params);
  6801. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  6802. if (params->loopback_mode == LOOPBACK_BMAC) {
  6803. vars->link_up = 1;
  6804. vars->line_speed = SPEED_10000;
  6805. vars->duplex = DUPLEX_FULL;
  6806. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6807. vars->mac_type = MAC_TYPE_BMAC;
  6808. vars->phy_flags = PHY_XGXS_FLAG;
  6809. bnx2x_xgxs_deassert(params);
  6810. /* set bmac loopback */
  6811. bnx2x_bmac_enable(params, vars, 1);
  6812. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6813. } else if (params->loopback_mode == LOOPBACK_EMAC) {
  6814. vars->link_up = 1;
  6815. vars->line_speed = SPEED_1000;
  6816. vars->duplex = DUPLEX_FULL;
  6817. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6818. vars->mac_type = MAC_TYPE_EMAC;
  6819. vars->phy_flags = PHY_XGXS_FLAG;
  6820. bnx2x_xgxs_deassert(params);
  6821. /* set bmac loopback */
  6822. bnx2x_emac_enable(params, vars, 1);
  6823. bnx2x_emac_program(params, vars);
  6824. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6825. } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
  6826. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  6827. vars->link_up = 1;
  6828. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6829. vars->duplex = DUPLEX_FULL;
  6830. if (params->req_line_speed[0] == SPEED_1000) {
  6831. vars->line_speed = SPEED_1000;
  6832. vars->mac_type = MAC_TYPE_EMAC;
  6833. } else {
  6834. vars->line_speed = SPEED_10000;
  6835. vars->mac_type = MAC_TYPE_BMAC;
  6836. }
  6837. bnx2x_xgxs_deassert(params);
  6838. bnx2x_link_initialize(params, vars);
  6839. if (params->req_line_speed[0] == SPEED_1000) {
  6840. bnx2x_emac_program(params, vars);
  6841. bnx2x_emac_enable(params, vars, 0);
  6842. } else
  6843. bnx2x_bmac_enable(params, vars, 0);
  6844. if (params->loopback_mode == LOOPBACK_XGXS) {
  6845. /* set 10G XGXS loopback */
  6846. params->phy[INT_PHY].config_loopback(
  6847. &params->phy[INT_PHY],
  6848. params);
  6849. } else {
  6850. /* set external phy loopback */
  6851. u8 phy_index;
  6852. for (phy_index = EXT_PHY1;
  6853. phy_index < params->num_phys; phy_index++) {
  6854. if (params->phy[phy_index].config_loopback)
  6855. params->phy[phy_index].config_loopback(
  6856. &params->phy[phy_index],
  6857. params);
  6858. }
  6859. }
  6860. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6861. bnx2x_set_led(params, vars,
  6862. LED_MODE_OPER, vars->line_speed);
  6863. } else
  6864. /* No loopback */
  6865. {
  6866. if (params->switch_cfg == SWITCH_CFG_10G)
  6867. bnx2x_xgxs_deassert(params);
  6868. else
  6869. bnx2x_serdes_deassert(bp, params->port);
  6870. bnx2x_link_initialize(params, vars);
  6871. msleep(30);
  6872. bnx2x_link_int_enable(params);
  6873. }
  6874. return 0;
  6875. }
  6876. u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  6877. u8 reset_ext_phy)
  6878. {
  6879. struct bnx2x *bp = params->bp;
  6880. u8 phy_index, port = params->port, clear_latch_ind = 0;
  6881. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  6882. /* disable attentions */
  6883. vars->link_status = 0;
  6884. bnx2x_update_mng(params, vars->link_status);
  6885. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  6886. (NIG_MASK_XGXS0_LINK_STATUS |
  6887. NIG_MASK_XGXS0_LINK10G |
  6888. NIG_MASK_SERDES0_LINK_STATUS |
  6889. NIG_MASK_MI_INT));
  6890. /* activate nig drain */
  6891. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  6892. /* disable nig egress interface */
  6893. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6894. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6895. /* Stop BigMac rx */
  6896. bnx2x_bmac_rx_disable(bp, port);
  6897. /* disable emac */
  6898. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6899. msleep(10);
  6900. /* The PHY reset is controlled by GPIO 1
  6901. * Hold it as vars low
  6902. */
  6903. /* clear link led */
  6904. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  6905. if (reset_ext_phy) {
  6906. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6907. phy_index++) {
  6908. if (params->phy[phy_index].link_reset)
  6909. params->phy[phy_index].link_reset(
  6910. &params->phy[phy_index],
  6911. params);
  6912. if (params->phy[phy_index].flags &
  6913. FLAGS_REARM_LATCH_SIGNAL)
  6914. clear_latch_ind = 1;
  6915. }
  6916. }
  6917. if (clear_latch_ind) {
  6918. /* Clear latching indication */
  6919. bnx2x_rearm_latch_signal(bp, port, 0);
  6920. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  6921. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  6922. }
  6923. if (params->phy[INT_PHY].link_reset)
  6924. params->phy[INT_PHY].link_reset(
  6925. &params->phy[INT_PHY], params);
  6926. /* reset BigMac */
  6927. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  6928. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  6929. /* disable nig ingress interface */
  6930. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  6931. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  6932. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6933. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6934. vars->link_up = 0;
  6935. return 0;
  6936. }
  6937. /****************************************************************************/
  6938. /* Common function */
  6939. /****************************************************************************/
  6940. static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
  6941. u32 shmem_base_path[],
  6942. u32 shmem2_base_path[], u8 phy_index,
  6943. u32 chip_id)
  6944. {
  6945. struct bnx2x_phy phy[PORT_MAX];
  6946. struct bnx2x_phy *phy_blk[PORT_MAX];
  6947. u16 val;
  6948. s8 port = 0;
  6949. s8 port_of_path = 0;
  6950. u32 swap_val, swap_override;
  6951. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6952. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6953. port ^= (swap_val && swap_override);
  6954. bnx2x_ext_phy_hw_reset(bp, port);
  6955. /* PART1 - Reset both phys */
  6956. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  6957. u32 shmem_base, shmem2_base;
  6958. /* In E2, same phy is using for port0 of the two paths */
  6959. if (CHIP_IS_E2(bp)) {
  6960. shmem_base = shmem_base_path[port];
  6961. shmem2_base = shmem2_base_path[port];
  6962. port_of_path = 0;
  6963. } else {
  6964. shmem_base = shmem_base_path[0];
  6965. shmem2_base = shmem2_base_path[0];
  6966. port_of_path = port;
  6967. }
  6968. /* Extract the ext phy address for the port */
  6969. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  6970. port_of_path, &phy[port]) !=
  6971. 0) {
  6972. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  6973. return -EINVAL;
  6974. }
  6975. /* disable attentions */
  6976. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  6977. port_of_path*4,
  6978. (NIG_MASK_XGXS0_LINK_STATUS |
  6979. NIG_MASK_XGXS0_LINK10G |
  6980. NIG_MASK_SERDES0_LINK_STATUS |
  6981. NIG_MASK_MI_INT));
  6982. /* Need to take the phy out of low power mode in order
  6983. to write to access its registers */
  6984. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6985. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  6986. port);
  6987. /* Reset the phy */
  6988. bnx2x_cl45_write(bp, &phy[port],
  6989. MDIO_PMA_DEVAD,
  6990. MDIO_PMA_REG_CTRL,
  6991. 1<<15);
  6992. }
  6993. /* Add delay of 150ms after reset */
  6994. msleep(150);
  6995. if (phy[PORT_0].addr & 0x1) {
  6996. phy_blk[PORT_0] = &(phy[PORT_1]);
  6997. phy_blk[PORT_1] = &(phy[PORT_0]);
  6998. } else {
  6999. phy_blk[PORT_0] = &(phy[PORT_0]);
  7000. phy_blk[PORT_1] = &(phy[PORT_1]);
  7001. }
  7002. /* PART2 - Download firmware to both phys */
  7003. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7004. if (CHIP_IS_E2(bp))
  7005. port_of_path = 0;
  7006. else
  7007. port_of_path = port;
  7008. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7009. phy_blk[port]->addr);
  7010. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7011. port_of_path))
  7012. return -EINVAL;
  7013. /* Only set bit 10 = 1 (Tx power down) */
  7014. bnx2x_cl45_read(bp, phy_blk[port],
  7015. MDIO_PMA_DEVAD,
  7016. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7017. /* Phase1 of TX_POWER_DOWN reset */
  7018. bnx2x_cl45_write(bp, phy_blk[port],
  7019. MDIO_PMA_DEVAD,
  7020. MDIO_PMA_REG_TX_POWER_DOWN,
  7021. (val | 1<<10));
  7022. }
  7023. /*
  7024. * Toggle Transmitter: Power down and then up with 600ms delay
  7025. * between
  7026. */
  7027. msleep(600);
  7028. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7029. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7030. /* Phase2 of POWER_DOWN_RESET */
  7031. /* Release bit 10 (Release Tx power down) */
  7032. bnx2x_cl45_read(bp, phy_blk[port],
  7033. MDIO_PMA_DEVAD,
  7034. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7035. bnx2x_cl45_write(bp, phy_blk[port],
  7036. MDIO_PMA_DEVAD,
  7037. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7038. msleep(15);
  7039. /* Read modify write the SPI-ROM version select register */
  7040. bnx2x_cl45_read(bp, phy_blk[port],
  7041. MDIO_PMA_DEVAD,
  7042. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7043. bnx2x_cl45_write(bp, phy_blk[port],
  7044. MDIO_PMA_DEVAD,
  7045. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7046. /* set GPIO2 back to LOW */
  7047. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7048. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7049. }
  7050. return 0;
  7051. }
  7052. static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7053. u32 shmem_base_path[],
  7054. u32 shmem2_base_path[], u8 phy_index,
  7055. u32 chip_id)
  7056. {
  7057. u32 val;
  7058. s8 port;
  7059. struct bnx2x_phy phy;
  7060. /* Use port1 because of the static port-swap */
  7061. /* Enable the module detection interrupt */
  7062. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7063. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7064. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7065. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7066. bnx2x_ext_phy_hw_reset(bp, 0);
  7067. msleep(5);
  7068. for (port = 0; port < PORT_MAX; port++) {
  7069. u32 shmem_base, shmem2_base;
  7070. /* In E2, same phy is using for port0 of the two paths */
  7071. if (CHIP_IS_E2(bp)) {
  7072. shmem_base = shmem_base_path[port];
  7073. shmem2_base = shmem2_base_path[port];
  7074. } else {
  7075. shmem_base = shmem_base_path[0];
  7076. shmem2_base = shmem2_base_path[0];
  7077. }
  7078. /* Extract the ext phy address for the port */
  7079. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7080. port, &phy) !=
  7081. 0) {
  7082. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7083. return -EINVAL;
  7084. }
  7085. /* Reset phy*/
  7086. bnx2x_cl45_write(bp, &phy,
  7087. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7088. /* Set fault module detected LED on */
  7089. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7090. MISC_REGISTERS_GPIO_HIGH,
  7091. port);
  7092. }
  7093. return 0;
  7094. }
  7095. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7096. u8 *io_gpio, u8 *io_port)
  7097. {
  7098. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7099. offsetof(struct shmem_region,
  7100. dev_info.port_hw_config[PORT_0].default_cfg));
  7101. switch (phy_gpio_reset) {
  7102. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7103. *io_gpio = 0;
  7104. *io_port = 0;
  7105. break;
  7106. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7107. *io_gpio = 1;
  7108. *io_port = 0;
  7109. break;
  7110. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7111. *io_gpio = 2;
  7112. *io_port = 0;
  7113. break;
  7114. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7115. *io_gpio = 3;
  7116. *io_port = 0;
  7117. break;
  7118. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7119. *io_gpio = 0;
  7120. *io_port = 1;
  7121. break;
  7122. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7123. *io_gpio = 1;
  7124. *io_port = 1;
  7125. break;
  7126. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7127. *io_gpio = 2;
  7128. *io_port = 1;
  7129. break;
  7130. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7131. *io_gpio = 3;
  7132. *io_port = 1;
  7133. break;
  7134. default:
  7135. /* Don't override the io_gpio and io_port */
  7136. break;
  7137. }
  7138. }
  7139. static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7140. u32 shmem_base_path[],
  7141. u32 shmem2_base_path[], u8 phy_index,
  7142. u32 chip_id)
  7143. {
  7144. s8 port, reset_gpio;
  7145. u32 swap_val, swap_override;
  7146. struct bnx2x_phy phy[PORT_MAX];
  7147. struct bnx2x_phy *phy_blk[PORT_MAX];
  7148. s8 port_of_path;
  7149. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7150. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7151. reset_gpio = MISC_REGISTERS_GPIO_1;
  7152. port = 1;
  7153. /*
  7154. * Retrieve the reset gpio/port which control the reset.
  7155. * Default is GPIO1, PORT1
  7156. */
  7157. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7158. (u8 *)&reset_gpio, (u8 *)&port);
  7159. /* Calculate the port based on port swap */
  7160. port ^= (swap_val && swap_override);
  7161. /* Initiate PHY reset*/
  7162. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7163. port);
  7164. msleep(1);
  7165. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7166. port);
  7167. msleep(5);
  7168. /* PART1 - Reset both phys */
  7169. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7170. u32 shmem_base, shmem2_base;
  7171. /* In E2, same phy is using for port0 of the two paths */
  7172. if (CHIP_IS_E2(bp)) {
  7173. shmem_base = shmem_base_path[port];
  7174. shmem2_base = shmem2_base_path[port];
  7175. port_of_path = 0;
  7176. } else {
  7177. shmem_base = shmem_base_path[0];
  7178. shmem2_base = shmem2_base_path[0];
  7179. port_of_path = port;
  7180. }
  7181. /* Extract the ext phy address for the port */
  7182. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7183. port_of_path, &phy[port]) !=
  7184. 0) {
  7185. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7186. return -EINVAL;
  7187. }
  7188. /* disable attentions */
  7189. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7190. port_of_path*4,
  7191. (NIG_MASK_XGXS0_LINK_STATUS |
  7192. NIG_MASK_XGXS0_LINK10G |
  7193. NIG_MASK_SERDES0_LINK_STATUS |
  7194. NIG_MASK_MI_INT));
  7195. /* Reset the phy */
  7196. bnx2x_cl45_write(bp, &phy[port],
  7197. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7198. }
  7199. /* Add delay of 150ms after reset */
  7200. msleep(150);
  7201. if (phy[PORT_0].addr & 0x1) {
  7202. phy_blk[PORT_0] = &(phy[PORT_1]);
  7203. phy_blk[PORT_1] = &(phy[PORT_0]);
  7204. } else {
  7205. phy_blk[PORT_0] = &(phy[PORT_0]);
  7206. phy_blk[PORT_1] = &(phy[PORT_1]);
  7207. }
  7208. /* PART2 - Download firmware to both phys */
  7209. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7210. if (CHIP_IS_E2(bp))
  7211. port_of_path = 0;
  7212. else
  7213. port_of_path = port;
  7214. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7215. phy_blk[port]->addr);
  7216. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7217. port_of_path))
  7218. return -EINVAL;
  7219. }
  7220. return 0;
  7221. }
  7222. static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7223. u32 shmem2_base_path[], u8 phy_index,
  7224. u32 ext_phy_type, u32 chip_id)
  7225. {
  7226. u8 rc = 0;
  7227. switch (ext_phy_type) {
  7228. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7229. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7230. shmem2_base_path,
  7231. phy_index, chip_id);
  7232. break;
  7233. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7234. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7235. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7236. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7237. shmem2_base_path,
  7238. phy_index, chip_id);
  7239. break;
  7240. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7241. /*
  7242. * GPIO1 affects both ports, so there's need to pull
  7243. * it for single port alone
  7244. */
  7245. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7246. shmem2_base_path,
  7247. phy_index, chip_id);
  7248. break;
  7249. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7250. rc = -EINVAL;
  7251. break;
  7252. default:
  7253. DP(NETIF_MSG_LINK,
  7254. "ext_phy 0x%x common init not required\n",
  7255. ext_phy_type);
  7256. break;
  7257. }
  7258. if (rc != 0)
  7259. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7260. " Port %d\n",
  7261. 0);
  7262. return rc;
  7263. }
  7264. u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7265. u32 shmem2_base_path[], u32 chip_id)
  7266. {
  7267. u8 rc = 0;
  7268. u32 phy_ver;
  7269. u8 phy_index;
  7270. u32 ext_phy_type, ext_phy_config;
  7271. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7272. /* Check if common init was already done */
  7273. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7274. offsetof(struct shmem_region,
  7275. port_mb[PORT_0].ext_phy_fw_version));
  7276. if (phy_ver) {
  7277. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7278. phy_ver);
  7279. return 0;
  7280. }
  7281. /* Read the ext_phy_type for arbitrary port(0) */
  7282. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7283. phy_index++) {
  7284. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7285. shmem_base_path[0],
  7286. phy_index, 0);
  7287. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7288. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7289. shmem2_base_path,
  7290. phy_index, ext_phy_type,
  7291. chip_id);
  7292. }
  7293. return rc;
  7294. }
  7295. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7296. {
  7297. u8 phy_index;
  7298. struct bnx2x_phy phy;
  7299. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7300. phy_index++) {
  7301. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7302. 0, &phy) != 0) {
  7303. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7304. return 0;
  7305. }
  7306. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7307. return 1;
  7308. }
  7309. return 0;
  7310. }
  7311. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7312. u32 shmem_base,
  7313. u32 shmem2_base,
  7314. u8 port)
  7315. {
  7316. u8 phy_index, fan_failure_det_req = 0;
  7317. struct bnx2x_phy phy;
  7318. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7319. phy_index++) {
  7320. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7321. port, &phy)
  7322. != 0) {
  7323. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7324. return 0;
  7325. }
  7326. fan_failure_det_req |= (phy.flags &
  7327. FLAGS_FAN_FAILURE_DET_REQ);
  7328. }
  7329. return fan_failure_det_req;
  7330. }
  7331. void bnx2x_hw_reset_phy(struct link_params *params)
  7332. {
  7333. u8 phy_index;
  7334. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7335. phy_index++) {
  7336. if (params->phy[phy_index].hw_reset) {
  7337. params->phy[phy_index].hw_reset(
  7338. &params->phy[phy_index],
  7339. params);
  7340. params->phy[phy_index] = phy_null;
  7341. }
  7342. }
  7343. }