bnx2x_link.c 361 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132713371347135713671377138713971407141714271437144714571467147714871497150715171527153715471557156715771587159716071617162716371647165716671677168716971707171717271737174717571767177717871797180718171827183718471857186718771887189719071917192719371947195719671977198719972007201720272037204720572067207720872097210721172127213721472157216721772187219722072217222722372247225722672277228722972307231723272337234723572367237723872397240724172427243724472457246724772487249725072517252725372547255725672577258725972607261726272637264726572667267726872697270727172727273727472757276727772787279728072817282728372847285728672877288728972907291729272937294729572967297729872997300730173027303730473057306730773087309731073117312731373147315731673177318731973207321732273237324732573267327732873297330733173327333733473357336733773387339734073417342734373447345734673477348734973507351735273537354735573567357735873597360736173627363736473657366736773687369737073717372737373747375737673777378737973807381738273837384738573867387738873897390739173927393739473957396739773987399740074017402740374047405740674077408740974107411741274137414741574167417741874197420742174227423742474257426742774287429743074317432743374347435743674377438743974407441744274437444744574467447744874497450745174527453745474557456745774587459746074617462746374647465746674677468746974707471747274737474747574767477747874797480748174827483748474857486748774887489749074917492749374947495749674977498749975007501750275037504750575067507750875097510751175127513751475157516751775187519752075217522752375247525752675277528752975307531753275337534753575367537753875397540754175427543754475457546754775487549755075517552755375547555755675577558755975607561756275637564756575667567756875697570757175727573757475757576757775787579758075817582758375847585758675877588758975907591759275937594759575967597759875997600760176027603760476057606760776087609761076117612761376147615761676177618761976207621762276237624762576267627762876297630763176327633763476357636763776387639764076417642764376447645764676477648764976507651765276537654765576567657765876597660766176627663766476657666766776687669767076717672767376747675767676777678767976807681768276837684768576867687768876897690769176927693769476957696769776987699770077017702770377047705770677077708770977107711771277137714771577167717771877197720772177227723772477257726772777287729773077317732773377347735773677377738773977407741774277437744774577467747774877497750775177527753775477557756775777587759776077617762776377647765776677677768776977707771777277737774777577767777777877797780778177827783778477857786778777887789779077917792779377947795779677977798779978007801780278037804780578067807780878097810781178127813781478157816781778187819782078217822782378247825782678277828782978307831783278337834783578367837783878397840784178427843784478457846784778487849785078517852785378547855785678577858785978607861786278637864786578667867786878697870787178727873787478757876787778787879788078817882788378847885788678877888788978907891789278937894789578967897789878997900790179027903790479057906790779087909791079117912791379147915791679177918791979207921792279237924792579267927792879297930793179327933793479357936793779387939794079417942794379447945794679477948794979507951795279537954795579567957795879597960796179627963796479657966796779687969797079717972797379747975797679777978797979807981798279837984798579867987798879897990799179927993799479957996799779987999800080018002800380048005800680078008800980108011801280138014801580168017801880198020802180228023802480258026802780288029803080318032803380348035803680378038803980408041804280438044804580468047804880498050805180528053805480558056805780588059806080618062806380648065806680678068806980708071807280738074807580768077807880798080808180828083808480858086808780888089809080918092809380948095809680978098809981008101810281038104810581068107810881098110811181128113811481158116811781188119812081218122812381248125812681278128812981308131813281338134813581368137813881398140814181428143814481458146814781488149815081518152815381548155815681578158815981608161816281638164816581668167816881698170817181728173817481758176817781788179818081818182818381848185818681878188818981908191819281938194819581968197819881998200820182028203820482058206820782088209821082118212821382148215821682178218821982208221822282238224822582268227822882298230823182328233823482358236823782388239824082418242824382448245824682478248824982508251825282538254825582568257825882598260826182628263826482658266826782688269827082718272827382748275827682778278827982808281828282838284828582868287828882898290829182928293829482958296829782988299830083018302830383048305830683078308830983108311831283138314831583168317831883198320832183228323832483258326832783288329833083318332833383348335833683378338833983408341834283438344834583468347834883498350835183528353835483558356835783588359836083618362836383648365836683678368836983708371837283738374837583768377837883798380838183828383838483858386838783888389839083918392839383948395839683978398839984008401840284038404840584068407840884098410841184128413841484158416841784188419842084218422842384248425842684278428842984308431843284338434843584368437843884398440844184428443844484458446844784488449845084518452845384548455845684578458845984608461846284638464846584668467846884698470847184728473847484758476847784788479848084818482848384848485848684878488848984908491849284938494849584968497849884998500850185028503850485058506850785088509851085118512851385148515851685178518851985208521852285238524852585268527852885298530853185328533853485358536853785388539854085418542854385448545854685478548854985508551855285538554855585568557855885598560856185628563856485658566856785688569857085718572857385748575857685778578857985808581858285838584858585868587858885898590859185928593859485958596859785988599860086018602860386048605860686078608860986108611861286138614861586168617861886198620862186228623862486258626862786288629863086318632863386348635863686378638863986408641864286438644864586468647864886498650865186528653865486558656865786588659866086618662866386648665866686678668866986708671867286738674867586768677867886798680868186828683868486858686868786888689869086918692869386948695869686978698869987008701870287038704870587068707870887098710871187128713871487158716871787188719872087218722872387248725872687278728872987308731873287338734873587368737873887398740874187428743874487458746874787488749875087518752875387548755875687578758875987608761876287638764876587668767876887698770877187728773877487758776877787788779878087818782878387848785878687878788878987908791879287938794879587968797879887998800880188028803880488058806880788088809881088118812881388148815881688178818881988208821882288238824882588268827882888298830883188328833883488358836883788388839884088418842884388448845884688478848884988508851885288538854885588568857885888598860886188628863886488658866886788688869887088718872887388748875887688778878887988808881888288838884888588868887888888898890889188928893889488958896889788988899890089018902890389048905890689078908890989108911891289138914891589168917891889198920892189228923892489258926892789288929893089318932893389348935893689378938893989408941894289438944894589468947894889498950895189528953895489558956895789588959896089618962896389648965896689678968896989708971897289738974897589768977897889798980898189828983898489858986898789888989899089918992899389948995899689978998899990009001900290039004900590069007900890099010901190129013901490159016901790189019902090219022902390249025902690279028902990309031903290339034903590369037903890399040904190429043904490459046904790489049905090519052905390549055905690579058905990609061906290639064906590669067906890699070907190729073907490759076907790789079908090819082908390849085908690879088908990909091909290939094909590969097909890999100910191029103910491059106910791089109911091119112911391149115911691179118911991209121912291239124912591269127912891299130913191329133913491359136913791389139914091419142914391449145914691479148914991509151915291539154915591569157915891599160916191629163916491659166916791689169917091719172917391749175917691779178917991809181918291839184918591869187918891899190919191929193919491959196919791989199920092019202920392049205920692079208920992109211921292139214921592169217921892199220922192229223922492259226922792289229923092319232923392349235923692379238923992409241924292439244924592469247924892499250925192529253925492559256925792589259926092619262926392649265926692679268926992709271927292739274927592769277927892799280928192829283928492859286928792889289929092919292929392949295929692979298929993009301930293039304930593069307930893099310931193129313931493159316931793189319932093219322932393249325932693279328932993309331933293339334933593369337933893399340934193429343934493459346934793489349935093519352935393549355935693579358935993609361936293639364936593669367936893699370937193729373937493759376937793789379938093819382938393849385938693879388938993909391939293939394939593969397939893999400940194029403940494059406940794089409941094119412941394149415941694179418941994209421942294239424942594269427942894299430943194329433943494359436943794389439944094419442944394449445944694479448944994509451945294539454945594569457945894599460946194629463946494659466946794689469947094719472947394749475947694779478947994809481948294839484948594869487948894899490949194929493949494959496949794989499950095019502950395049505950695079508950995109511951295139514951595169517951895199520952195229523952495259526952795289529953095319532953395349535953695379538953995409541954295439544954595469547954895499550955195529553955495559556955795589559956095619562956395649565956695679568956995709571957295739574957595769577957895799580958195829583958495859586958795889589959095919592959395949595959695979598959996009601960296039604960596069607960896099610961196129613961496159616961796189619962096219622962396249625962696279628962996309631963296339634963596369637963896399640964196429643964496459646964796489649965096519652965396549655965696579658965996609661966296639664966596669667966896699670967196729673967496759676967796789679968096819682968396849685968696879688968996909691969296939694969596969697969896999700970197029703970497059706970797089709971097119712971397149715971697179718971997209721972297239724972597269727972897299730973197329733973497359736973797389739974097419742974397449745974697479748974997509751975297539754975597569757975897599760976197629763976497659766976797689769977097719772977397749775977697779778977997809781978297839784978597869787978897899790979197929793979497959796979797989799980098019802980398049805980698079808980998109811981298139814981598169817981898199820982198229823982498259826982798289829983098319832983398349835983698379838983998409841984298439844984598469847984898499850985198529853985498559856985798589859986098619862986398649865986698679868986998709871987298739874987598769877987898799880988198829883988498859886988798889889989098919892989398949895989698979898989999009901990299039904990599069907990899099910991199129913991499159916991799189919992099219922992399249925992699279928992999309931993299339934993599369937993899399940994199429943994499459946994799489949995099519952995399549955995699579958995999609961996299639964996599669967996899699970997199729973997499759976997799789979998099819982998399849985998699879988998999909991999299939994999599969997999899991000010001100021000310004100051000610007100081000910010100111001210013100141001510016100171001810019100201002110022100231002410025100261002710028100291003010031100321003310034100351003610037100381003910040100411004210043100441004510046100471004810049100501005110052100531005410055100561005710058100591006010061100621006310064100651006610067100681006910070100711007210073100741007510076100771007810079100801008110082100831008410085100861008710088100891009010091100921009310094100951009610097100981009910100101011010210103101041010510106101071010810109101101011110112101131011410115101161011710118101191012010121101221012310124101251012610127101281012910130101311013210133101341013510136101371013810139101401014110142101431014410145101461014710148101491015010151101521015310154101551015610157101581015910160101611016210163101641016510166101671016810169101701017110172101731017410175101761017710178101791018010181101821018310184101851018610187101881018910190101911019210193101941019510196101971019810199102001020110202102031020410205102061020710208102091021010211102121021310214102151021610217102181021910220102211022210223102241022510226102271022810229102301023110232102331023410235102361023710238102391024010241102421024310244102451024610247102481024910250102511025210253102541025510256102571025810259102601026110262102631026410265102661026710268102691027010271102721027310274102751027610277102781027910280102811028210283102841028510286102871028810289102901029110292102931029410295102961029710298102991030010301103021030310304103051030610307103081030910310103111031210313103141031510316103171031810319103201032110322103231032410325103261032710328103291033010331103321033310334103351033610337103381033910340103411034210343103441034510346103471034810349103501035110352103531035410355103561035710358103591036010361103621036310364103651036610367103681036910370103711037210373103741037510376103771037810379103801038110382103831038410385103861038710388103891039010391103921039310394103951039610397103981039910400104011040210403104041040510406104071040810409104101041110412104131041410415104161041710418104191042010421104221042310424104251042610427104281042910430104311043210433104341043510436104371043810439104401044110442104431044410445104461044710448104491045010451104521045310454104551045610457104581045910460104611046210463104641046510466104671046810469104701047110472104731047410475104761047710478104791048010481104821048310484104851048610487104881048910490104911049210493104941049510496104971049810499105001050110502105031050410505105061050710508105091051010511105121051310514105151051610517105181051910520105211052210523105241052510526105271052810529105301053110532105331053410535105361053710538105391054010541105421054310544105451054610547105481054910550105511055210553105541055510556105571055810559105601056110562105631056410565105661056710568105691057010571105721057310574105751057610577105781057910580105811058210583105841058510586105871058810589105901059110592105931059410595105961059710598105991060010601106021060310604106051060610607106081060910610106111061210613106141061510616106171061810619106201062110622106231062410625106261062710628106291063010631106321063310634106351063610637106381063910640106411064210643106441064510646106471064810649106501065110652106531065410655106561065710658106591066010661106621066310664106651066610667106681066910670106711067210673106741067510676106771067810679106801068110682106831068410685106861068710688106891069010691106921069310694106951069610697106981069910700107011070210703107041070510706107071070810709107101071110712107131071410715107161071710718107191072010721107221072310724107251072610727107281072910730107311073210733107341073510736107371073810739107401074110742107431074410745107461074710748107491075010751107521075310754107551075610757107581075910760107611076210763107641076510766107671076810769107701077110772107731077410775107761077710778107791078010781107821078310784107851078610787107881078910790107911079210793107941079510796107971079810799108001080110802108031080410805108061080710808108091081010811108121081310814108151081610817108181081910820108211082210823108241082510826108271082810829108301083110832108331083410835108361083710838108391084010841108421084310844108451084610847108481084910850108511085210853108541085510856108571085810859108601086110862108631086410865108661086710868108691087010871108721087310874108751087610877108781087910880108811088210883108841088510886108871088810889108901089110892108931089410895108961089710898108991090010901109021090310904109051090610907109081090910910109111091210913109141091510916109171091810919109201092110922109231092410925109261092710928109291093010931109321093310934109351093610937109381093910940109411094210943109441094510946109471094810949109501095110952109531095410955109561095710958109591096010961109621096310964109651096610967109681096910970109711097210973109741097510976109771097810979109801098110982109831098410985109861098710988109891099010991109921099310994109951099610997109981099911000110011100211003110041100511006110071100811009110101101111012110131101411015110161101711018110191102011021110221102311024110251102611027110281102911030110311103211033110341103511036110371103811039110401104111042110431104411045110461104711048110491105011051110521105311054110551105611057110581105911060110611106211063110641106511066110671106811069110701107111072110731107411075110761107711078110791108011081110821108311084110851108611087110881108911090110911109211093110941109511096110971109811099111001110111102111031110411105111061110711108111091111011111111121111311114111151111611117111181111911120111211112211123111241112511126111271112811129111301113111132111331113411135111361113711138111391114011141111421114311144111451114611147111481114911150111511115211153111541115511156111571115811159111601116111162111631116411165111661116711168111691117011171111721117311174111751117611177111781117911180111811118211183111841118511186111871118811189111901119111192111931119411195111961119711198111991120011201112021120311204112051120611207112081120911210112111121211213112141121511216112171121811219112201122111222112231122411225112261122711228112291123011231112321123311234112351123611237112381123911240112411124211243112441124511246112471124811249112501125111252112531125411255112561125711258112591126011261112621126311264112651126611267112681126911270112711127211273112741127511276112771127811279112801128111282112831128411285112861128711288112891129011291112921129311294112951129611297112981129911300113011130211303113041130511306113071130811309113101131111312113131131411315113161131711318113191132011321113221132311324113251132611327113281132911330113311133211333113341133511336113371133811339113401134111342113431134411345113461134711348113491135011351113521135311354113551135611357113581135911360113611136211363113641136511366113671136811369113701137111372113731137411375113761137711378113791138011381113821138311384113851138611387113881138911390113911139211393113941139511396113971139811399114001140111402114031140411405114061140711408114091141011411114121141311414114151141611417114181141911420114211142211423114241142511426114271142811429114301143111432114331143411435114361143711438114391144011441114421144311444114451144611447114481144911450114511145211453114541145511456114571145811459114601146111462114631146411465114661146711468114691147011471114721147311474114751147611477114781147911480114811148211483114841148511486114871148811489114901149111492114931149411495114961149711498114991150011501115021150311504115051150611507115081150911510115111151211513115141151511516115171151811519115201152111522115231152411525115261152711528115291153011531115321153311534115351153611537115381153911540115411154211543115441154511546115471154811549115501155111552115531155411555115561155711558115591156011561115621156311564115651156611567115681156911570115711157211573115741157511576115771157811579115801158111582115831158411585115861158711588115891159011591115921159311594115951159611597115981159911600116011160211603116041160511606116071160811609116101161111612116131161411615116161161711618116191162011621116221162311624116251162611627116281162911630116311163211633116341163511636116371163811639116401164111642116431164411645116461164711648116491165011651116521165311654116551165611657116581165911660116611166211663116641166511666116671166811669116701167111672116731167411675116761167711678116791168011681116821168311684116851168611687116881168911690116911169211693116941169511696116971169811699117001170111702117031170411705117061170711708117091171011711117121171311714117151171611717117181171911720117211172211723117241172511726117271172811729117301173111732117331173411735117361173711738117391174011741117421174311744117451174611747117481174911750117511175211753117541175511756117571175811759117601176111762117631176411765117661176711768117691177011771117721177311774117751177611777117781177911780117811178211783117841178511786117871178811789117901179111792117931179411795117961179711798117991180011801118021180311804118051180611807118081180911810118111181211813118141181511816118171181811819118201182111822118231182411825118261182711828118291183011831118321183311834118351183611837118381183911840118411184211843118441184511846118471184811849118501185111852118531185411855118561185711858118591186011861118621186311864118651186611867118681186911870118711187211873118741187511876118771187811879118801188111882118831188411885118861188711888118891189011891118921189311894118951189611897118981189911900119011190211903119041190511906119071190811909119101191111912119131191411915119161191711918119191192011921119221192311924119251192611927119281192911930119311193211933119341193511936119371193811939119401194111942119431194411945119461194711948119491195011951119521195311954119551195611957119581195911960119611196211963119641196511966119671196811969119701197111972119731197411975119761197711978119791198011981119821198311984119851198611987119881198911990119911199211993119941199511996119971199811999120001200112002120031200412005120061200712008120091201012011120121201312014120151201612017120181201912020120211202212023120241202512026120271202812029120301203112032120331203412035120361203712038120391204012041120421204312044120451204612047120481204912050120511205212053120541205512056120571205812059120601206112062120631206412065120661206712068120691207012071120721207312074120751207612077120781207912080120811208212083120841208512086120871208812089120901209112092120931209412095120961209712098120991210012101121021210312104121051210612107121081210912110121111211212113121141211512116121171211812119121201212112122121231212412125121261212712128121291213012131121321213312134121351213612137121381213912140121411214212143121441214512146121471214812149121501215112152121531215412155121561215712158121591216012161121621216312164121651216612167121681216912170121711217212173121741217512176121771217812179121801218112182121831218412185121861218712188121891219012191121921219312194121951219612197121981219912200122011220212203122041220512206122071220812209122101221112212122131221412215122161221712218122191222012221122221222312224122251222612227122281222912230122311223212233122341223512236122371223812239122401224112242122431224412245122461224712248122491225012251122521225312254122551225612257122581225912260122611226212263122641226512266122671226812269122701227112272122731227412275122761227712278122791228012281122821228312284122851228612287122881228912290122911229212293122941229512296122971229812299123001230112302123031230412305123061230712308123091231012311123121231312314123151231612317123181231912320123211232212323123241232512326123271232812329123301233112332123331233412335123361233712338123391234012341123421234312344123451234612347123481234912350123511235212353123541235512356123571235812359123601236112362123631236412365123661236712368123691237012371123721237312374123751237612377123781237912380123811238212383123841238512386123871238812389123901239112392123931239412395123961239712398123991240012401124021240312404124051240612407124081240912410124111241212413124141241512416124171241812419124201242112422124231242412425124261242712428124291243012431124321243312434124351243612437124381243912440124411244212443124441244512446124471244812449124501245112452124531245412455124561245712458124591246012461124621246312464124651246612467124681246912470124711247212473124741247512476124771247812479124801248112482124831248412485124861248712488124891249012491124921249312494124951249612497124981249912500125011250212503125041250512506125071250812509125101251112512125131251412515125161251712518125191252012521125221252312524125251252612527125281252912530125311253212533125341253512536125371253812539125401254112542125431254412545125461254712548125491255012551125521255312554125551255612557125581255912560125611256212563125641256512566125671256812569125701257112572
  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB thresholds for E2*/
  145. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  146. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  147. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  148. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  149. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  150. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  151. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  152. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  153. /* BRB thresholds for E3A0 */
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  155. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  156. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  157. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  158. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  159. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  160. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  161. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  162. /* BRB thresholds for E3B0 2 port mode*/
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  164. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  169. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  171. /* only for E3B0*/
  172. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  173. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  174. /* Lossy +Lossless GUARANTIED == GUART */
  175. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  176. /* Lossless +Lossless*/
  177. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  178. /* Lossy +Lossy*/
  179. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  180. /* Lossy +Lossless*/
  181. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  182. /* Lossless +Lossless*/
  183. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  184. /* Lossy +Lossy*/
  185. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  186. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  187. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  188. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  189. /* BRB thresholds for E3B0 4 port mode */
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  191. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  192. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  193. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  195. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  196. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  197. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  198. /* only for E3B0*/
  199. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  200. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  201. #define PFC_E3B0_4P_LB_GUART 120
  202. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  203. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  204. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  205. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  206. #define DCBX_INVALID_COS (0xFF)
  207. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  208. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  209. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  210. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  211. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  212. #define MAX_PACKET_SIZE (9700)
  213. #define WC_UC_TIMEOUT 100
  214. #define MAX_KR_LINK_RETRY 4
  215. /**********************************************************/
  216. /* INTERFACE */
  217. /**********************************************************/
  218. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  219. bnx2x_cl45_write(_bp, _phy, \
  220. (_phy)->def_md_devad, \
  221. (_bank + (_addr & 0xf)), \
  222. _val)
  223. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  224. bnx2x_cl45_read(_bp, _phy, \
  225. (_phy)->def_md_devad, \
  226. (_bank + (_addr & 0xf)), \
  227. _val)
  228. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  229. {
  230. u32 val = REG_RD(bp, reg);
  231. val |= bits;
  232. REG_WR(bp, reg, val);
  233. return val;
  234. }
  235. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  236. {
  237. u32 val = REG_RD(bp, reg);
  238. val &= ~bits;
  239. REG_WR(bp, reg, val);
  240. return val;
  241. }
  242. /******************************************************************/
  243. /* EPIO/GPIO section */
  244. /******************************************************************/
  245. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  246. {
  247. u32 epio_mask, gp_oenable;
  248. *en = 0;
  249. /* Sanity check */
  250. if (epio_pin > 31) {
  251. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  252. return;
  253. }
  254. epio_mask = 1 << epio_pin;
  255. /* Set this EPIO to output */
  256. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  257. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  258. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  259. }
  260. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  261. {
  262. u32 epio_mask, gp_output, gp_oenable;
  263. /* Sanity check */
  264. if (epio_pin > 31) {
  265. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  266. return;
  267. }
  268. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  269. epio_mask = 1 << epio_pin;
  270. /* Set this EPIO to output */
  271. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  272. if (en)
  273. gp_output |= epio_mask;
  274. else
  275. gp_output &= ~epio_mask;
  276. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  277. /* Set the value for this EPIO */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  280. }
  281. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  282. {
  283. if (pin_cfg == PIN_CFG_NA)
  284. return;
  285. if (pin_cfg >= PIN_CFG_EPIO0) {
  286. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  287. } else {
  288. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  289. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  290. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  291. }
  292. }
  293. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  294. {
  295. if (pin_cfg == PIN_CFG_NA)
  296. return -EINVAL;
  297. if (pin_cfg >= PIN_CFG_EPIO0) {
  298. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  299. } else {
  300. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  301. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  302. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  303. }
  304. return 0;
  305. }
  306. /******************************************************************/
  307. /* ETS section */
  308. /******************************************************************/
  309. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  310. {
  311. /* ETS disabled configuration*/
  312. struct bnx2x *bp = params->bp;
  313. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  314. /*
  315. * mapping between entry priority to client number (0,1,2 -debug and
  316. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  317. * 3bits client num.
  318. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  319. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  320. */
  321. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  322. /*
  323. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  324. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  325. * COS0 entry, 4 - COS1 entry.
  326. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  327. * bit4 bit3 bit2 bit1 bit0
  328. * MCP and debug are strict
  329. */
  330. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  331. /* defines which entries (clients) are subjected to WFQ arbitration */
  332. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  333. /*
  334. * For strict priority entries defines the number of consecutive
  335. * slots for the highest priority.
  336. */
  337. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  338. /*
  339. * mapping between the CREDIT_WEIGHT registers and actual client
  340. * numbers
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  343. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  346. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  347. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  348. /* ETS mode disable */
  349. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  350. /*
  351. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  352. * weight for COS0/COS1.
  353. */
  354. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  355. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  356. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  357. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  358. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  359. /* Defines the number of consecutive slots for the strict priority */
  360. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  361. }
  362. /******************************************************************************
  363. * Description:
  364. * Getting min_w_val will be set according to line speed .
  365. *.
  366. ******************************************************************************/
  367. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  368. {
  369. u32 min_w_val = 0;
  370. /* Calculate min_w_val.*/
  371. if (vars->link_up) {
  372. if (SPEED_20000 == vars->line_speed)
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. else
  375. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  376. } else
  377. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  378. /**
  379. * If the link isn't up (static configuration for example ) The
  380. * link will be according to 20GBPS.
  381. */
  382. return min_w_val;
  383. }
  384. /******************************************************************************
  385. * Description:
  386. * Getting credit upper bound form min_w_val.
  387. *.
  388. ******************************************************************************/
  389. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  390. {
  391. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  392. MAX_PACKET_SIZE);
  393. return credit_upper_bound;
  394. }
  395. /******************************************************************************
  396. * Description:
  397. * Set credit upper bound for NIG.
  398. *.
  399. ******************************************************************************/
  400. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  401. const struct link_params *params,
  402. const u32 min_w_val)
  403. {
  404. struct bnx2x *bp = params->bp;
  405. const u8 port = params->port;
  406. const u32 credit_upper_bound =
  407. bnx2x_ets_get_credit_upper_bound(min_w_val);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  416. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  417. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  418. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  419. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  420. if (0 == port) {
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  422. credit_upper_bound);
  423. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  424. credit_upper_bound);
  425. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  426. credit_upper_bound);
  427. }
  428. }
  429. /******************************************************************************
  430. * Description:
  431. * Will return the NIG ETS registers to init values.Except
  432. * credit_upper_bound.
  433. * That isn't used in this configuration (No WFQ is enabled) and will be
  434. * configured acording to spec
  435. *.
  436. ******************************************************************************/
  437. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  438. const struct link_vars *vars)
  439. {
  440. struct bnx2x *bp = params->bp;
  441. const u8 port = params->port;
  442. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  443. /**
  444. * mapping between entry priority to client number (0,1,2 -debug and
  445. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  446. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  447. * reset value or init tool
  448. */
  449. if (port) {
  450. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  451. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  452. } else {
  453. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  454. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  455. }
  456. /**
  457. * For strict priority entries defines the number of consecutive
  458. * slots for the highest priority.
  459. */
  460. /* TODO_ETS - Should be done by reset value or init tool */
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  462. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  463. /**
  464. * mapping between the CREDIT_WEIGHT registers and actual client
  465. * numbers
  466. */
  467. /* TODO_ETS - Should be done by reset value or init tool */
  468. if (port) {
  469. /*Port 1 has 6 COS*/
  470. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  471. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  472. } else {
  473. /*Port 0 has 9 COS*/
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  475. 0x43210876);
  476. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  477. }
  478. /**
  479. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  480. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  481. * COS0 entry, 4 - COS1 entry.
  482. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  483. * bit4 bit3 bit2 bit1 bit0
  484. * MCP and debug are strict
  485. */
  486. if (port)
  487. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  488. else
  489. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  490. /* defines which entries (clients) are subjected to WFQ arbitration */
  491. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  492. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  493. /**
  494. * Please notice the register address are note continuous and a
  495. * for here is note appropriate.In 2 port mode port0 only COS0-5
  496. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  497. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  498. * are never used for WFQ
  499. */
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  508. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  509. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  510. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  511. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  512. if (0 == port) {
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  514. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  515. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  516. }
  517. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  518. }
  519. /******************************************************************************
  520. * Description:
  521. * Set credit upper bound for PBF.
  522. *.
  523. ******************************************************************************/
  524. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  525. const struct link_params *params,
  526. const u32 min_w_val)
  527. {
  528. struct bnx2x *bp = params->bp;
  529. const u32 credit_upper_bound =
  530. bnx2x_ets_get_credit_upper_bound(min_w_val);
  531. const u8 port = params->port;
  532. u32 base_upper_bound = 0;
  533. u8 max_cos = 0;
  534. u8 i = 0;
  535. /**
  536. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  537. * port mode port1 has COS0-2 that can be used for WFQ.
  538. */
  539. if (0 == port) {
  540. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  541. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  542. } else {
  543. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  544. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  545. }
  546. for (i = 0; i < max_cos; i++)
  547. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  548. }
  549. /******************************************************************************
  550. * Description:
  551. * Will return the PBF ETS registers to init values.Except
  552. * credit_upper_bound.
  553. * That isn't used in this configuration (No WFQ is enabled) and will be
  554. * configured acording to spec
  555. *.
  556. ******************************************************************************/
  557. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  558. {
  559. struct bnx2x *bp = params->bp;
  560. const u8 port = params->port;
  561. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  562. u8 i = 0;
  563. u32 base_weight = 0;
  564. u8 max_cos = 0;
  565. /**
  566. * mapping between entry priority to client number 0 - COS0
  567. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  568. * TODO_ETS - Should be done by reset value or init tool
  569. */
  570. if (port)
  571. /* 0x688 (|011|0 10|00 1|000) */
  572. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  573. else
  574. /* (10 1|100 |011|0 10|00 1|000) */
  575. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  576. /* TODO_ETS - Should be done by reset value or init tool */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000)*/
  579. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  580. else
  581. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  584. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  585. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  586. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  587. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  588. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  589. /**
  590. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  591. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  592. */
  593. if (0 == port) {
  594. base_weight = PBF_REG_COS0_WEIGHT_P0;
  595. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  596. } else {
  597. base_weight = PBF_REG_COS0_WEIGHT_P1;
  598. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  599. }
  600. for (i = 0; i < max_cos; i++)
  601. REG_WR(bp, base_weight + (0x4 * i), 0);
  602. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  603. }
  604. /******************************************************************************
  605. * Description:
  606. * E3B0 disable will return basicly the values to init values.
  607. *.
  608. ******************************************************************************/
  609. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  610. const struct link_vars *vars)
  611. {
  612. struct bnx2x *bp = params->bp;
  613. if (!CHIP_IS_E3B0(bp)) {
  614. DP(NETIF_MSG_LINK,
  615. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  616. return -EINVAL;
  617. }
  618. bnx2x_ets_e3b0_nig_disabled(params, vars);
  619. bnx2x_ets_e3b0_pbf_disabled(params);
  620. return 0;
  621. }
  622. /******************************************************************************
  623. * Description:
  624. * Disable will return basicly the values to init values.
  625. *.
  626. ******************************************************************************/
  627. int bnx2x_ets_disabled(struct link_params *params,
  628. struct link_vars *vars)
  629. {
  630. struct bnx2x *bp = params->bp;
  631. int bnx2x_status = 0;
  632. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  633. bnx2x_ets_e2e3a0_disabled(params);
  634. else if (CHIP_IS_E3B0(bp))
  635. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  636. else {
  637. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  638. return -EINVAL;
  639. }
  640. return bnx2x_status;
  641. }
  642. /******************************************************************************
  643. * Description
  644. * Set the COS mappimg to SP and BW until this point all the COS are not
  645. * set as SP or BW.
  646. ******************************************************************************/
  647. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  648. const struct bnx2x_ets_params *ets_params,
  649. const u8 cos_sp_bitmap,
  650. const u8 cos_bw_bitmap)
  651. {
  652. struct bnx2x *bp = params->bp;
  653. const u8 port = params->port;
  654. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  655. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  656. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  657. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  660. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  661. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  662. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  663. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  664. nig_cli_subject2wfq_bitmap);
  665. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  666. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  667. pbf_cli_subject2wfq_bitmap);
  668. return 0;
  669. }
  670. /******************************************************************************
  671. * Description:
  672. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  673. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  674. ******************************************************************************/
  675. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  676. const u8 cos_entry,
  677. const u32 min_w_val_nig,
  678. const u32 min_w_val_pbf,
  679. const u16 total_bw,
  680. const u8 bw,
  681. const u8 port)
  682. {
  683. u32 nig_reg_adress_crd_weight = 0;
  684. u32 pbf_reg_adress_crd_weight = 0;
  685. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  686. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  687. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  688. switch (cos_entry) {
  689. case 0:
  690. nig_reg_adress_crd_weight =
  691. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  692. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  693. pbf_reg_adress_crd_weight = (port) ?
  694. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  695. break;
  696. case 1:
  697. nig_reg_adress_crd_weight = (port) ?
  698. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  699. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  700. pbf_reg_adress_crd_weight = (port) ?
  701. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  702. break;
  703. case 2:
  704. nig_reg_adress_crd_weight = (port) ?
  705. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  706. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  707. pbf_reg_adress_crd_weight = (port) ?
  708. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  709. break;
  710. case 3:
  711. if (port)
  712. return -EINVAL;
  713. nig_reg_adress_crd_weight =
  714. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  715. pbf_reg_adress_crd_weight =
  716. PBF_REG_COS3_WEIGHT_P0;
  717. break;
  718. case 4:
  719. if (port)
  720. return -EINVAL;
  721. nig_reg_adress_crd_weight =
  722. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  723. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  724. break;
  725. case 5:
  726. if (port)
  727. return -EINVAL;
  728. nig_reg_adress_crd_weight =
  729. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  730. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  731. break;
  732. }
  733. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  734. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  735. return 0;
  736. }
  737. /******************************************************************************
  738. * Description:
  739. * Calculate the total BW.A value of 0 isn't legal.
  740. *.
  741. ******************************************************************************/
  742. static int bnx2x_ets_e3b0_get_total_bw(
  743. const struct link_params *params,
  744. const struct bnx2x_ets_params *ets_params,
  745. u16 *total_bw)
  746. {
  747. struct bnx2x *bp = params->bp;
  748. u8 cos_idx = 0;
  749. *total_bw = 0 ;
  750. /* Calculate total BW requested */
  751. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  752. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  753. *total_bw +=
  754. ets_params->cos[cos_idx].params.bw_params.bw;
  755. }
  756. }
  757. /* Check total BW is valid */
  758. if ((100 != *total_bw) || (0 == *total_bw)) {
  759. if (0 == *total_bw) {
  760. DP(NETIF_MSG_LINK,
  761. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  762. return -EINVAL;
  763. }
  764. DP(NETIF_MSG_LINK,
  765. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  766. /**
  767. * We can handle a case whre the BW isn't 100 this can happen
  768. * if the TC are joined.
  769. */
  770. }
  771. return 0;
  772. }
  773. /******************************************************************************
  774. * Description:
  775. * Invalidate all the sp_pri_to_cos.
  776. *.
  777. ******************************************************************************/
  778. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  779. {
  780. u8 pri = 0;
  781. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  782. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  783. }
  784. /******************************************************************************
  785. * Description:
  786. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  787. * according to sp_pri_to_cos.
  788. *.
  789. ******************************************************************************/
  790. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  791. u8 *sp_pri_to_cos, const u8 pri,
  792. const u8 cos_entry)
  793. {
  794. struct bnx2x *bp = params->bp;
  795. const u8 port = params->port;
  796. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  797. DCBX_E3B0_MAX_NUM_COS_PORT0;
  798. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  799. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  800. "parameter There can't be two COS's with "
  801. "the same strict pri\n");
  802. return -EINVAL;
  803. }
  804. if (pri > max_num_of_cos) {
  805. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  806. "parameter Illegal strict priority\n");
  807. return -EINVAL;
  808. }
  809. sp_pri_to_cos[pri] = cos_entry;
  810. return 0;
  811. }
  812. /******************************************************************************
  813. * Description:
  814. * Returns the correct value according to COS and priority in
  815. * the sp_pri_cli register.
  816. *.
  817. ******************************************************************************/
  818. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  819. const u8 pri_set,
  820. const u8 pri_offset,
  821. const u8 entry_size)
  822. {
  823. u64 pri_cli_nig = 0;
  824. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  825. (pri_set + pri_offset));
  826. return pri_cli_nig;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in the
  831. * sp_pri_cli register for NIG.
  832. *.
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  835. {
  836. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  837. const u8 nig_cos_offset = 3;
  838. const u8 nig_pri_offset = 3;
  839. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  840. nig_pri_offset, 4);
  841. }
  842. /******************************************************************************
  843. * Description:
  844. * Returns the correct value according to COS and priority in the
  845. * sp_pri_cli register for PBF.
  846. *.
  847. ******************************************************************************/
  848. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  849. {
  850. const u8 pbf_cos_offset = 0;
  851. const u8 pbf_pri_offset = 0;
  852. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  853. pbf_pri_offset, 3);
  854. }
  855. /******************************************************************************
  856. * Description:
  857. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  858. * according to sp_pri_to_cos.(which COS has higher priority)
  859. *.
  860. ******************************************************************************/
  861. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  862. u8 *sp_pri_to_cos)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. u8 i = 0;
  866. const u8 port = params->port;
  867. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  868. u64 pri_cli_nig = 0x210;
  869. u32 pri_cli_pbf = 0x0;
  870. u8 pri_set = 0;
  871. u8 pri_bitmask = 0;
  872. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  873. DCBX_E3B0_MAX_NUM_COS_PORT0;
  874. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  875. /* Set all the strict priority first */
  876. for (i = 0; i < max_num_of_cos; i++) {
  877. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  878. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  879. DP(NETIF_MSG_LINK,
  880. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  881. "invalid cos entry\n");
  882. return -EINVAL;
  883. }
  884. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  885. sp_pri_to_cos[i], pri_set);
  886. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  887. sp_pri_to_cos[i], pri_set);
  888. pri_bitmask = 1 << sp_pri_to_cos[i];
  889. /* COS is used remove it from bitmap.*/
  890. if (0 == (pri_bitmask & cos_bit_to_set)) {
  891. DP(NETIF_MSG_LINK,
  892. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  893. "invalid There can't be two COS's with"
  894. " the same strict pri\n");
  895. return -EINVAL;
  896. }
  897. cos_bit_to_set &= ~pri_bitmask;
  898. pri_set++;
  899. }
  900. }
  901. /* Set all the Non strict priority i= COS*/
  902. for (i = 0; i < max_num_of_cos; i++) {
  903. pri_bitmask = 1 << i;
  904. /* Check if COS was already used for SP */
  905. if (pri_bitmask & cos_bit_to_set) {
  906. /* COS wasn't used for SP */
  907. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  908. i, pri_set);
  909. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  910. i, pri_set);
  911. /* COS is used remove it from bitmap.*/
  912. cos_bit_to_set &= ~pri_bitmask;
  913. pri_set++;
  914. }
  915. }
  916. if (pri_set != max_num_of_cos) {
  917. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  918. "entries were set\n");
  919. return -EINVAL;
  920. }
  921. if (port) {
  922. /* Only 6 usable clients*/
  923. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  924. (u32)pri_cli_nig);
  925. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  926. } else {
  927. /* Only 9 usable clients*/
  928. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  929. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  930. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  931. pri_cli_nig_lsb);
  932. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  933. pri_cli_nig_msb);
  934. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  935. }
  936. return 0;
  937. }
  938. /******************************************************************************
  939. * Description:
  940. * Configure the COS to ETS according to BW and SP settings.
  941. ******************************************************************************/
  942. int bnx2x_ets_e3b0_config(const struct link_params *params,
  943. const struct link_vars *vars,
  944. const struct bnx2x_ets_params *ets_params)
  945. {
  946. struct bnx2x *bp = params->bp;
  947. int bnx2x_status = 0;
  948. const u8 port = params->port;
  949. u16 total_bw = 0;
  950. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  951. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  952. u8 cos_bw_bitmap = 0;
  953. u8 cos_sp_bitmap = 0;
  954. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  955. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  956. DCBX_E3B0_MAX_NUM_COS_PORT0;
  957. u8 cos_entry = 0;
  958. if (!CHIP_IS_E3B0(bp)) {
  959. DP(NETIF_MSG_LINK,
  960. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  961. return -EINVAL;
  962. }
  963. if ((ets_params->num_of_cos > max_num_of_cos)) {
  964. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  965. "isn't supported\n");
  966. return -EINVAL;
  967. }
  968. /* Prepare sp strict priority parameters*/
  969. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  970. /* Prepare BW parameters*/
  971. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  972. &total_bw);
  973. if (0 != bnx2x_status) {
  974. DP(NETIF_MSG_LINK,
  975. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  976. return -EINVAL;
  977. }
  978. /**
  979. * Upper bound is set according to current link speed (min_w_val
  980. * should be the same for upper bound and COS credit val).
  981. */
  982. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  983. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  984. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  985. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  986. cos_bw_bitmap |= (1 << cos_entry);
  987. /**
  988. * The function also sets the BW in HW(not the mappin
  989. * yet)
  990. */
  991. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  992. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  993. total_bw,
  994. ets_params->cos[cos_entry].params.bw_params.bw,
  995. port);
  996. } else if (bnx2x_cos_state_strict ==
  997. ets_params->cos[cos_entry].state){
  998. cos_sp_bitmap |= (1 << cos_entry);
  999. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1000. params,
  1001. sp_pri_to_cos,
  1002. ets_params->cos[cos_entry].params.sp_params.pri,
  1003. cos_entry);
  1004. } else {
  1005. DP(NETIF_MSG_LINK,
  1006. "bnx2x_ets_e3b0_config cos state not valid\n");
  1007. return -EINVAL;
  1008. }
  1009. if (0 != bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1012. return bnx2x_status;
  1013. }
  1014. }
  1015. /* Set SP register (which COS has higher priority) */
  1016. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1017. sp_pri_to_cos);
  1018. if (0 != bnx2x_status) {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1021. return bnx2x_status;
  1022. }
  1023. /* Set client mapping of BW and strict */
  1024. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1025. cos_sp_bitmap,
  1026. cos_bw_bitmap);
  1027. if (0 != bnx2x_status) {
  1028. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1029. return bnx2x_status;
  1030. }
  1031. return 0;
  1032. }
  1033. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1034. {
  1035. /* ETS disabled configuration */
  1036. struct bnx2x *bp = params->bp;
  1037. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1038. /*
  1039. * defines which entries (clients) are subjected to WFQ arbitration
  1040. * COS0 0x8
  1041. * COS1 0x10
  1042. */
  1043. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1044. /*
  1045. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1046. * client numbers (WEIGHT_0 does not actually have to represent
  1047. * client 0)
  1048. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1049. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1050. */
  1051. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1053. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1054. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1055. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1056. /* ETS mode enabled*/
  1057. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1058. /* Defines the number of consecutive slots for the strict priority */
  1059. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1060. /*
  1061. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1062. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1063. * entry, 4 - COS1 entry.
  1064. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1065. * bit4 bit3 bit2 bit1 bit0
  1066. * MCP and debug are strict
  1067. */
  1068. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1069. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1070. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1071. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1072. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1073. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1074. }
  1075. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1076. const u32 cos1_bw)
  1077. {
  1078. /* ETS disabled configuration*/
  1079. struct bnx2x *bp = params->bp;
  1080. const u32 total_bw = cos0_bw + cos1_bw;
  1081. u32 cos0_credit_weight = 0;
  1082. u32 cos1_credit_weight = 0;
  1083. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1084. if ((0 == total_bw) ||
  1085. (0 == cos0_bw) ||
  1086. (0 == cos1_bw)) {
  1087. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1088. return;
  1089. }
  1090. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1091. total_bw;
  1092. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1093. total_bw;
  1094. bnx2x_ets_bw_limit_common(params);
  1095. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1097. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1099. }
  1100. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1101. {
  1102. /* ETS disabled configuration*/
  1103. struct bnx2x *bp = params->bp;
  1104. u32 val = 0;
  1105. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1106. /*
  1107. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1108. * as strict. Bits 0,1,2 - debug and management entries,
  1109. * 3 - COS0 entry, 4 - COS1 entry.
  1110. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1111. * bit4 bit3 bit2 bit1 bit0
  1112. * MCP and debug are strict
  1113. */
  1114. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1115. /*
  1116. * For strict priority entries defines the number of consecutive slots
  1117. * for the highest priority.
  1118. */
  1119. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1120. /* ETS mode disable */
  1121. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1122. /* Defines the number of consecutive slots for the strict priority */
  1123. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1126. /*
  1127. * mapping between entry priority to client number (0,1,2 -debug and
  1128. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1129. * 3bits client num.
  1130. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1131. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1132. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1133. */
  1134. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1135. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1136. return 0;
  1137. }
  1138. /******************************************************************/
  1139. /* PFC section */
  1140. /******************************************************************/
  1141. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1142. struct link_vars *vars,
  1143. u8 is_lb)
  1144. {
  1145. struct bnx2x *bp = params->bp;
  1146. u32 xmac_base;
  1147. u32 pause_val, pfc0_val, pfc1_val;
  1148. /* XMAC base adrr */
  1149. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1150. /* Initialize pause and pfc registers */
  1151. pause_val = 0x18000;
  1152. pfc0_val = 0xFFFF8000;
  1153. pfc1_val = 0x2;
  1154. /* No PFC support */
  1155. if (!(params->feature_config_flags &
  1156. FEATURE_CONFIG_PFC_ENABLED)) {
  1157. /*
  1158. * RX flow control - Process pause frame in receive direction
  1159. */
  1160. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1161. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1162. /*
  1163. * TX flow control - Send pause packet when buffer is full
  1164. */
  1165. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1166. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1167. } else {/* PFC support */
  1168. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1169. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1170. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1171. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1172. }
  1173. /* Write pause and PFC registers */
  1174. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1175. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1177. /* Set MAC address for source TX Pause/PFC frames */
  1178. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1179. ((params->mac_addr[2] << 24) |
  1180. (params->mac_addr[3] << 16) |
  1181. (params->mac_addr[4] << 8) |
  1182. (params->mac_addr[5])));
  1183. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1184. ((params->mac_addr[0] << 8) |
  1185. (params->mac_addr[1])));
  1186. udelay(30);
  1187. }
  1188. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1189. u32 pfc_frames_sent[2],
  1190. u32 pfc_frames_received[2])
  1191. {
  1192. /* Read pfc statistic */
  1193. struct bnx2x *bp = params->bp;
  1194. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1195. u32 val_xon = 0;
  1196. u32 val_xoff = 0;
  1197. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1198. /* PFC received frames */
  1199. val_xoff = REG_RD(bp, emac_base +
  1200. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1201. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1202. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1203. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1204. pfc_frames_received[0] = val_xon + val_xoff;
  1205. /* PFC received sent */
  1206. val_xoff = REG_RD(bp, emac_base +
  1207. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1208. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1209. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1210. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1211. pfc_frames_sent[0] = val_xon + val_xoff;
  1212. }
  1213. /* Read pfc statistic*/
  1214. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1215. u32 pfc_frames_sent[2],
  1216. u32 pfc_frames_received[2])
  1217. {
  1218. /* Read pfc statistic */
  1219. struct bnx2x *bp = params->bp;
  1220. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1221. if (!vars->link_up)
  1222. return;
  1223. if (MAC_TYPE_EMAC == vars->mac_type) {
  1224. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1225. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1226. pfc_frames_received);
  1227. }
  1228. }
  1229. /******************************************************************/
  1230. /* MAC/PBF section */
  1231. /******************************************************************/
  1232. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1233. {
  1234. u32 mode, emac_base;
  1235. /**
  1236. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1237. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1238. */
  1239. if (CHIP_IS_E2(bp))
  1240. emac_base = GRCBASE_EMAC0;
  1241. else
  1242. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1243. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1244. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1245. EMAC_MDIO_MODE_CLOCK_CNT);
  1246. if (USES_WARPCORE(bp))
  1247. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1248. else
  1249. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1250. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1251. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1252. udelay(40);
  1253. }
  1254. static void bnx2x_emac_init(struct link_params *params,
  1255. struct link_vars *vars)
  1256. {
  1257. /* reset and unreset the emac core */
  1258. struct bnx2x *bp = params->bp;
  1259. u8 port = params->port;
  1260. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1261. u32 val;
  1262. u16 timeout;
  1263. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1264. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1265. udelay(5);
  1266. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1267. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1268. /* init emac - use read-modify-write */
  1269. /* self clear reset */
  1270. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1271. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1272. timeout = 200;
  1273. do {
  1274. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1275. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1276. if (!timeout) {
  1277. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1278. return;
  1279. }
  1280. timeout--;
  1281. } while (val & EMAC_MODE_RESET);
  1282. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1283. /* Set mac address */
  1284. val = ((params->mac_addr[0] << 8) |
  1285. params->mac_addr[1]);
  1286. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1287. val = ((params->mac_addr[2] << 24) |
  1288. (params->mac_addr[3] << 16) |
  1289. (params->mac_addr[4] << 8) |
  1290. params->mac_addr[5]);
  1291. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1292. }
  1293. static void bnx2x_set_xumac_nig(struct link_params *params,
  1294. u16 tx_pause_en,
  1295. u8 enable)
  1296. {
  1297. struct bnx2x *bp = params->bp;
  1298. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1299. enable);
  1300. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1301. enable);
  1302. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1303. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1304. }
  1305. static void bnx2x_umac_enable(struct link_params *params,
  1306. struct link_vars *vars, u8 lb)
  1307. {
  1308. u32 val;
  1309. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1310. struct bnx2x *bp = params->bp;
  1311. /* Reset UMAC */
  1312. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1313. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1314. usleep_range(1000, 1000);
  1315. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1316. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1317. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1318. /**
  1319. * This register determines on which events the MAC will assert
  1320. * error on the i/f to the NIG along w/ EOP.
  1321. */
  1322. /**
  1323. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1324. * params->port*0x14, 0xfffff.
  1325. */
  1326. /* This register opens the gate for the UMAC despite its name */
  1327. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1328. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1329. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1330. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1331. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1332. switch (vars->line_speed) {
  1333. case SPEED_10:
  1334. val |= (0<<2);
  1335. break;
  1336. case SPEED_100:
  1337. val |= (1<<2);
  1338. break;
  1339. case SPEED_1000:
  1340. val |= (2<<2);
  1341. break;
  1342. case SPEED_2500:
  1343. val |= (3<<2);
  1344. break;
  1345. default:
  1346. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1347. vars->line_speed);
  1348. break;
  1349. }
  1350. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1351. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1352. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1353. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1354. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1355. udelay(50);
  1356. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1357. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1358. ((params->mac_addr[2] << 24) |
  1359. (params->mac_addr[3] << 16) |
  1360. (params->mac_addr[4] << 8) |
  1361. (params->mac_addr[5])));
  1362. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1363. ((params->mac_addr[0] << 8) |
  1364. (params->mac_addr[1])));
  1365. /* Enable RX and TX */
  1366. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1367. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1368. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1369. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1370. udelay(50);
  1371. /* Remove SW Reset */
  1372. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1373. /* Check loopback mode */
  1374. if (lb)
  1375. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1376. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1377. /*
  1378. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1379. * length used by the MAC receive logic to check frames.
  1380. */
  1381. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1382. bnx2x_set_xumac_nig(params,
  1383. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1384. vars->mac_type = MAC_TYPE_UMAC;
  1385. }
  1386. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1387. {
  1388. u32 port4mode_ovwr_val;
  1389. /* Check 4-port override enabled */
  1390. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1391. if (port4mode_ovwr_val & (1<<0)) {
  1392. /* Return 4-port mode override value */
  1393. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1394. }
  1395. /* Return 4-port mode from input pin */
  1396. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1397. }
  1398. /* Define the XMAC mode */
  1399. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1400. {
  1401. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1402. /**
  1403. * In 4-port mode, need to set the mode only once, so if XMAC is
  1404. * already out of reset, it means the mode has already been set,
  1405. * and it must not* reset the XMAC again, since it controls both
  1406. * ports of the path
  1407. **/
  1408. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1409. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1410. DP(NETIF_MSG_LINK,
  1411. "XMAC already out of reset in 4-port mode\n");
  1412. return;
  1413. }
  1414. /* Hard reset */
  1415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1416. MISC_REGISTERS_RESET_REG_2_XMAC);
  1417. usleep_range(1000, 1000);
  1418. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1419. MISC_REGISTERS_RESET_REG_2_XMAC);
  1420. if (is_port4mode) {
  1421. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1422. /* Set the number of ports on the system side to up to 2 */
  1423. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1424. /* Set the number of ports on the Warp Core to 10G */
  1425. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1426. } else {
  1427. /* Set the number of ports on the system side to 1 */
  1428. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1429. if (max_speed == SPEED_10000) {
  1430. DP(NETIF_MSG_LINK,
  1431. "Init XMAC to 10G x 1 port per path\n");
  1432. /* Set the number of ports on the Warp Core to 10G */
  1433. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1434. } else {
  1435. DP(NETIF_MSG_LINK,
  1436. "Init XMAC to 20G x 2 ports per path\n");
  1437. /* Set the number of ports on the Warp Core to 20G */
  1438. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1439. }
  1440. }
  1441. /* Soft reset */
  1442. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1443. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1444. usleep_range(1000, 1000);
  1445. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1446. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1447. }
  1448. static void bnx2x_xmac_disable(struct link_params *params)
  1449. {
  1450. u8 port = params->port;
  1451. struct bnx2x *bp = params->bp;
  1452. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1453. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1454. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1455. /*
  1456. * Send an indication to change the state in the NIG back to XON
  1457. * Clearing this bit enables the next set of this bit to get
  1458. * rising edge
  1459. */
  1460. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1461. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1462. (pfc_ctrl & ~(1<<1)));
  1463. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1464. (pfc_ctrl | (1<<1)));
  1465. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1466. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1467. usleep_range(1000, 1000);
  1468. bnx2x_set_xumac_nig(params, 0, 0);
  1469. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1470. XMAC_CTRL_REG_SOFT_RESET);
  1471. }
  1472. }
  1473. static int bnx2x_xmac_enable(struct link_params *params,
  1474. struct link_vars *vars, u8 lb)
  1475. {
  1476. u32 val, xmac_base;
  1477. struct bnx2x *bp = params->bp;
  1478. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1479. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1480. bnx2x_xmac_init(bp, vars->line_speed);
  1481. /*
  1482. * This register determines on which events the MAC will assert
  1483. * error on the i/f to the NIG along w/ EOP.
  1484. */
  1485. /*
  1486. * This register tells the NIG whether to send traffic to UMAC
  1487. * or XMAC
  1488. */
  1489. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1490. /* Set Max packet size */
  1491. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1492. /* CRC append for Tx packets */
  1493. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1494. /* update PFC */
  1495. bnx2x_update_pfc_xmac(params, vars, 0);
  1496. /* Enable TX and RX */
  1497. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1498. /* Check loopback mode */
  1499. if (lb)
  1500. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1501. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1502. bnx2x_set_xumac_nig(params,
  1503. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1504. vars->mac_type = MAC_TYPE_XMAC;
  1505. return 0;
  1506. }
  1507. static int bnx2x_emac_enable(struct link_params *params,
  1508. struct link_vars *vars, u8 lb)
  1509. {
  1510. struct bnx2x *bp = params->bp;
  1511. u8 port = params->port;
  1512. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1513. u32 val;
  1514. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1515. /* Disable BMAC */
  1516. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1517. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1518. /* enable emac and not bmac */
  1519. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1520. /* ASIC */
  1521. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1522. u32 ser_lane = ((params->lane_config &
  1523. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1524. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1525. DP(NETIF_MSG_LINK, "XGXS\n");
  1526. /* select the master lanes (out of 0-3) */
  1527. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1528. /* select XGXS */
  1529. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1530. } else { /* SerDes */
  1531. DP(NETIF_MSG_LINK, "SerDes\n");
  1532. /* select SerDes */
  1533. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1534. }
  1535. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1536. EMAC_RX_MODE_RESET);
  1537. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1538. EMAC_TX_MODE_RESET);
  1539. if (CHIP_REV_IS_SLOW(bp)) {
  1540. /* config GMII mode */
  1541. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1542. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1543. } else { /* ASIC */
  1544. /* pause enable/disable */
  1545. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1546. EMAC_RX_MODE_FLOW_EN);
  1547. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1548. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1549. EMAC_TX_MODE_FLOW_EN));
  1550. if (!(params->feature_config_flags &
  1551. FEATURE_CONFIG_PFC_ENABLED)) {
  1552. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1553. bnx2x_bits_en(bp, emac_base +
  1554. EMAC_REG_EMAC_RX_MODE,
  1555. EMAC_RX_MODE_FLOW_EN);
  1556. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1557. bnx2x_bits_en(bp, emac_base +
  1558. EMAC_REG_EMAC_TX_MODE,
  1559. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1560. EMAC_TX_MODE_FLOW_EN));
  1561. } else
  1562. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1563. EMAC_TX_MODE_FLOW_EN);
  1564. }
  1565. /* KEEP_VLAN_TAG, promiscuous */
  1566. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1567. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1568. /*
  1569. * Setting this bit causes MAC control frames (except for pause
  1570. * frames) to be passed on for processing. This setting has no
  1571. * affect on the operation of the pause frames. This bit effects
  1572. * all packets regardless of RX Parser packet sorting logic.
  1573. * Turn the PFC off to make sure we are in Xon state before
  1574. * enabling it.
  1575. */
  1576. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1577. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1578. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1579. /* Enable PFC again */
  1580. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1581. EMAC_REG_RX_PFC_MODE_RX_EN |
  1582. EMAC_REG_RX_PFC_MODE_TX_EN |
  1583. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1584. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1585. ((0x0101 <<
  1586. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1587. (0x00ff <<
  1588. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1589. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1590. }
  1591. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1592. /* Set Loopback */
  1593. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1594. if (lb)
  1595. val |= 0x810;
  1596. else
  1597. val &= ~0x810;
  1598. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1599. /* enable emac */
  1600. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1601. /* enable emac for jumbo packets */
  1602. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1603. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1604. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1605. /* strip CRC */
  1606. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1607. /* disable the NIG in/out to the bmac */
  1608. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1609. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1610. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1611. /* enable the NIG in/out to the emac */
  1612. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1613. val = 0;
  1614. if ((params->feature_config_flags &
  1615. FEATURE_CONFIG_PFC_ENABLED) ||
  1616. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1617. val = 1;
  1618. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1619. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1620. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1621. vars->mac_type = MAC_TYPE_EMAC;
  1622. return 0;
  1623. }
  1624. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1625. struct link_vars *vars)
  1626. {
  1627. u32 wb_data[2];
  1628. struct bnx2x *bp = params->bp;
  1629. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1630. NIG_REG_INGRESS_BMAC0_MEM;
  1631. u32 val = 0x14;
  1632. if ((!(params->feature_config_flags &
  1633. FEATURE_CONFIG_PFC_ENABLED)) &&
  1634. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1635. /* Enable BigMAC to react on received Pause packets */
  1636. val |= (1<<5);
  1637. wb_data[0] = val;
  1638. wb_data[1] = 0;
  1639. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1640. /* tx control */
  1641. val = 0xc0;
  1642. if (!(params->feature_config_flags &
  1643. FEATURE_CONFIG_PFC_ENABLED) &&
  1644. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1645. val |= 0x800000;
  1646. wb_data[0] = val;
  1647. wb_data[1] = 0;
  1648. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1649. }
  1650. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1651. struct link_vars *vars,
  1652. u8 is_lb)
  1653. {
  1654. /*
  1655. * Set rx control: Strip CRC and enable BigMAC to relay
  1656. * control packets to the system as well
  1657. */
  1658. u32 wb_data[2];
  1659. struct bnx2x *bp = params->bp;
  1660. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1661. NIG_REG_INGRESS_BMAC0_MEM;
  1662. u32 val = 0x14;
  1663. if ((!(params->feature_config_flags &
  1664. FEATURE_CONFIG_PFC_ENABLED)) &&
  1665. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1666. /* Enable BigMAC to react on received Pause packets */
  1667. val |= (1<<5);
  1668. wb_data[0] = val;
  1669. wb_data[1] = 0;
  1670. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1671. udelay(30);
  1672. /* Tx control */
  1673. val = 0xc0;
  1674. if (!(params->feature_config_flags &
  1675. FEATURE_CONFIG_PFC_ENABLED) &&
  1676. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1677. val |= 0x800000;
  1678. wb_data[0] = val;
  1679. wb_data[1] = 0;
  1680. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1681. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1682. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1683. /* Enable PFC RX & TX & STATS and set 8 COS */
  1684. wb_data[0] = 0x0;
  1685. wb_data[0] |= (1<<0); /* RX */
  1686. wb_data[0] |= (1<<1); /* TX */
  1687. wb_data[0] |= (1<<2); /* Force initial Xon */
  1688. wb_data[0] |= (1<<3); /* 8 cos */
  1689. wb_data[0] |= (1<<5); /* STATS */
  1690. wb_data[1] = 0;
  1691. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1692. wb_data, 2);
  1693. /* Clear the force Xon */
  1694. wb_data[0] &= ~(1<<2);
  1695. } else {
  1696. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1697. /* disable PFC RX & TX & STATS and set 8 COS */
  1698. wb_data[0] = 0x8;
  1699. wb_data[1] = 0;
  1700. }
  1701. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1702. /*
  1703. * Set Time (based unit is 512 bit time) between automatic
  1704. * re-sending of PP packets amd enable automatic re-send of
  1705. * Per-Priroity Packet as long as pp_gen is asserted and
  1706. * pp_disable is low.
  1707. */
  1708. val = 0x8000;
  1709. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1710. val |= (1<<16); /* enable automatic re-send */
  1711. wb_data[0] = val;
  1712. wb_data[1] = 0;
  1713. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1714. wb_data, 2);
  1715. /* mac control */
  1716. val = 0x3; /* Enable RX and TX */
  1717. if (is_lb) {
  1718. val |= 0x4; /* Local loopback */
  1719. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1720. }
  1721. /* When PFC enabled, Pass pause frames towards the NIG. */
  1722. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1723. val |= ((1<<6)|(1<<5));
  1724. wb_data[0] = val;
  1725. wb_data[1] = 0;
  1726. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1727. }
  1728. /* PFC BRB internal port configuration params */
  1729. struct bnx2x_pfc_brb_threshold_val {
  1730. u32 pause_xoff;
  1731. u32 pause_xon;
  1732. u32 full_xoff;
  1733. u32 full_xon;
  1734. };
  1735. struct bnx2x_pfc_brb_e3b0_val {
  1736. u32 full_lb_xoff_th;
  1737. u32 full_lb_xon_threshold;
  1738. u32 lb_guarantied;
  1739. u32 mac_0_class_t_guarantied;
  1740. u32 mac_0_class_t_guarantied_hyst;
  1741. u32 mac_1_class_t_guarantied;
  1742. u32 mac_1_class_t_guarantied_hyst;
  1743. };
  1744. struct bnx2x_pfc_brb_th_val {
  1745. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1746. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1747. };
  1748. static int bnx2x_pfc_brb_get_config_params(
  1749. struct link_params *params,
  1750. struct bnx2x_pfc_brb_th_val *config_val)
  1751. {
  1752. struct bnx2x *bp = params->bp;
  1753. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1754. if (CHIP_IS_E2(bp)) {
  1755. config_val->pauseable_th.pause_xoff =
  1756. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1757. config_val->pauseable_th.pause_xon =
  1758. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1759. config_val->pauseable_th.full_xoff =
  1760. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1761. config_val->pauseable_th.full_xon =
  1762. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1763. /* non pause able*/
  1764. config_val->non_pauseable_th.pause_xoff =
  1765. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1766. config_val->non_pauseable_th.pause_xon =
  1767. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1768. config_val->non_pauseable_th.full_xoff =
  1769. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1770. config_val->non_pauseable_th.full_xon =
  1771. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1772. } else if (CHIP_IS_E3A0(bp)) {
  1773. config_val->pauseable_th.pause_xoff =
  1774. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1775. config_val->pauseable_th.pause_xon =
  1776. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1777. config_val->pauseable_th.full_xoff =
  1778. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1779. config_val->pauseable_th.full_xon =
  1780. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1781. /* non pause able*/
  1782. config_val->non_pauseable_th.pause_xoff =
  1783. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1784. config_val->non_pauseable_th.pause_xon =
  1785. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1786. config_val->non_pauseable_th.full_xoff =
  1787. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1788. config_val->non_pauseable_th.full_xon =
  1789. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1790. } else if (CHIP_IS_E3B0(bp)) {
  1791. if (params->phy[INT_PHY].flags &
  1792. FLAGS_4_PORT_MODE) {
  1793. config_val->pauseable_th.pause_xoff =
  1794. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1795. config_val->pauseable_th.pause_xon =
  1796. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1797. config_val->pauseable_th.full_xoff =
  1798. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1799. config_val->pauseable_th.full_xon =
  1800. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1801. /* non pause able*/
  1802. config_val->non_pauseable_th.pause_xoff =
  1803. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1804. config_val->non_pauseable_th.pause_xon =
  1805. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1806. config_val->non_pauseable_th.full_xoff =
  1807. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1808. config_val->non_pauseable_th.full_xon =
  1809. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1810. } else {
  1811. config_val->pauseable_th.pause_xoff =
  1812. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1813. config_val->pauseable_th.pause_xon =
  1814. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1815. config_val->pauseable_th.full_xoff =
  1816. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1817. config_val->pauseable_th.full_xon =
  1818. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1819. /* non pause able*/
  1820. config_val->non_pauseable_th.pause_xoff =
  1821. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1822. config_val->non_pauseable_th.pause_xon =
  1823. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1824. config_val->non_pauseable_th.full_xoff =
  1825. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1826. config_val->non_pauseable_th.full_xon =
  1827. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1828. }
  1829. } else
  1830. return -EINVAL;
  1831. return 0;
  1832. }
  1833. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1834. struct bnx2x_pfc_brb_e3b0_val
  1835. *e3b0_val,
  1836. u32 cos0_pauseable,
  1837. u32 cos1_pauseable)
  1838. {
  1839. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1840. e3b0_val->full_lb_xoff_th =
  1841. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1842. e3b0_val->full_lb_xon_threshold =
  1843. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1844. e3b0_val->lb_guarantied =
  1845. PFC_E3B0_4P_LB_GUART;
  1846. e3b0_val->mac_0_class_t_guarantied =
  1847. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1848. e3b0_val->mac_0_class_t_guarantied_hyst =
  1849. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1850. e3b0_val->mac_1_class_t_guarantied =
  1851. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1852. e3b0_val->mac_1_class_t_guarantied_hyst =
  1853. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1854. } else {
  1855. e3b0_val->full_lb_xoff_th =
  1856. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1857. e3b0_val->full_lb_xon_threshold =
  1858. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1859. e3b0_val->mac_0_class_t_guarantied_hyst =
  1860. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1861. e3b0_val->mac_1_class_t_guarantied =
  1862. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1863. e3b0_val->mac_1_class_t_guarantied_hyst =
  1864. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1865. if (cos0_pauseable != cos1_pauseable) {
  1866. /* nonpauseable= Lossy + pauseable = Lossless*/
  1867. e3b0_val->lb_guarantied =
  1868. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1869. e3b0_val->mac_0_class_t_guarantied =
  1870. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1871. } else if (cos0_pauseable) {
  1872. /* Lossless +Lossless*/
  1873. e3b0_val->lb_guarantied =
  1874. PFC_E3B0_2P_PAUSE_LB_GUART;
  1875. e3b0_val->mac_0_class_t_guarantied =
  1876. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1877. } else {
  1878. /* Lossy +Lossy*/
  1879. e3b0_val->lb_guarantied =
  1880. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1881. e3b0_val->mac_0_class_t_guarantied =
  1882. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1883. }
  1884. }
  1885. }
  1886. static int bnx2x_update_pfc_brb(struct link_params *params,
  1887. struct link_vars *vars,
  1888. struct bnx2x_nig_brb_pfc_port_params
  1889. *pfc_params)
  1890. {
  1891. struct bnx2x *bp = params->bp;
  1892. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1893. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1894. &config_val.pauseable_th;
  1895. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1896. int set_pfc = params->feature_config_flags &
  1897. FEATURE_CONFIG_PFC_ENABLED;
  1898. int bnx2x_status = 0;
  1899. u8 port = params->port;
  1900. /* default - pause configuration */
  1901. reg_th_config = &config_val.pauseable_th;
  1902. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1903. if (0 != bnx2x_status)
  1904. return bnx2x_status;
  1905. if (set_pfc && pfc_params)
  1906. /* First COS */
  1907. if (!pfc_params->cos0_pauseable)
  1908. reg_th_config = &config_val.non_pauseable_th;
  1909. /*
  1910. * The number of free blocks below which the pause signal to class 0
  1911. * of MAC #n is asserted. n=0,1
  1912. */
  1913. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1914. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1915. reg_th_config->pause_xoff);
  1916. /*
  1917. * The number of free blocks above which the pause signal to class 0
  1918. * of MAC #n is de-asserted. n=0,1
  1919. */
  1920. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1921. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1922. /*
  1923. * The number of free blocks below which the full signal to class 0
  1924. * of MAC #n is asserted. n=0,1
  1925. */
  1926. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1927. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1928. /*
  1929. * The number of free blocks above which the full signal to class 0
  1930. * of MAC #n is de-asserted. n=0,1
  1931. */
  1932. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1933. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1934. if (set_pfc && pfc_params) {
  1935. /* Second COS */
  1936. if (pfc_params->cos1_pauseable)
  1937. reg_th_config = &config_val.pauseable_th;
  1938. else
  1939. reg_th_config = &config_val.non_pauseable_th;
  1940. /*
  1941. * The number of free blocks below which the pause signal to
  1942. * class 1 of MAC #n is asserted. n=0,1
  1943. **/
  1944. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1945. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1946. reg_th_config->pause_xoff);
  1947. /*
  1948. * The number of free blocks above which the pause signal to
  1949. * class 1 of MAC #n is de-asserted. n=0,1
  1950. */
  1951. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1952. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1953. reg_th_config->pause_xon);
  1954. /*
  1955. * The number of free blocks below which the full signal to
  1956. * class 1 of MAC #n is asserted. n=0,1
  1957. */
  1958. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1959. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1960. reg_th_config->full_xoff);
  1961. /*
  1962. * The number of free blocks above which the full signal to
  1963. * class 1 of MAC #n is de-asserted. n=0,1
  1964. */
  1965. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1966. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1967. reg_th_config->full_xon);
  1968. if (CHIP_IS_E3B0(bp)) {
  1969. /*Should be done by init tool */
  1970. /*
  1971. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1972. * reset value
  1973. * 944
  1974. */
  1975. /**
  1976. * The hysteresis on the guarantied buffer space for the Lb port
  1977. * before signaling XON.
  1978. **/
  1979. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1980. bnx2x_pfc_brb_get_e3b0_config_params(
  1981. params,
  1982. &e3b0_val,
  1983. pfc_params->cos0_pauseable,
  1984. pfc_params->cos1_pauseable);
  1985. /**
  1986. * The number of free blocks below which the full signal to the
  1987. * LB port is asserted.
  1988. */
  1989. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1990. e3b0_val.full_lb_xoff_th);
  1991. /**
  1992. * The number of free blocks above which the full signal to the
  1993. * LB port is de-asserted.
  1994. */
  1995. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1996. e3b0_val.full_lb_xon_threshold);
  1997. /**
  1998. * The number of blocks guarantied for the MAC #n port. n=0,1
  1999. */
  2000. /*The number of blocks guarantied for the LB port.*/
  2001. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2002. e3b0_val.lb_guarantied);
  2003. /**
  2004. * The number of blocks guarantied for the MAC #n port.
  2005. */
  2006. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2007. 2 * e3b0_val.mac_0_class_t_guarantied);
  2008. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2009. 2 * e3b0_val.mac_1_class_t_guarantied);
  2010. /**
  2011. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2012. */
  2013. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2014. e3b0_val.mac_0_class_t_guarantied);
  2015. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2016. e3b0_val.mac_0_class_t_guarantied);
  2017. /**
  2018. * The hysteresis on the guarantied buffer space for class in
  2019. * MAC0. t=0,1
  2020. */
  2021. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2022. e3b0_val.mac_0_class_t_guarantied_hyst);
  2023. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2024. e3b0_val.mac_0_class_t_guarantied_hyst);
  2025. /**
  2026. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2027. */
  2028. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2029. e3b0_val.mac_1_class_t_guarantied);
  2030. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2031. e3b0_val.mac_1_class_t_guarantied);
  2032. /**
  2033. * The hysteresis on the guarantied buffer space for class #t
  2034. * in MAC1. t=0,1
  2035. */
  2036. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2037. e3b0_val.mac_1_class_t_guarantied_hyst);
  2038. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2039. e3b0_val.mac_1_class_t_guarantied_hyst);
  2040. }
  2041. }
  2042. return bnx2x_status;
  2043. }
  2044. /******************************************************************************
  2045. * Description:
  2046. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2047. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2048. ******************************************************************************/
  2049. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2050. u8 cos_entry,
  2051. u32 priority_mask, u8 port)
  2052. {
  2053. u32 nig_reg_rx_priority_mask_add = 0;
  2054. switch (cos_entry) {
  2055. case 0:
  2056. nig_reg_rx_priority_mask_add = (port) ?
  2057. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2058. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2059. break;
  2060. case 1:
  2061. nig_reg_rx_priority_mask_add = (port) ?
  2062. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2063. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2064. break;
  2065. case 2:
  2066. nig_reg_rx_priority_mask_add = (port) ?
  2067. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2068. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2069. break;
  2070. case 3:
  2071. if (port)
  2072. return -EINVAL;
  2073. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2074. break;
  2075. case 4:
  2076. if (port)
  2077. return -EINVAL;
  2078. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2079. break;
  2080. case 5:
  2081. if (port)
  2082. return -EINVAL;
  2083. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2084. break;
  2085. }
  2086. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2087. return 0;
  2088. }
  2089. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2090. {
  2091. struct bnx2x *bp = params->bp;
  2092. REG_WR(bp, params->shmem_base +
  2093. offsetof(struct shmem_region,
  2094. port_mb[params->port].link_status), link_status);
  2095. }
  2096. static void bnx2x_update_pfc_nig(struct link_params *params,
  2097. struct link_vars *vars,
  2098. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2099. {
  2100. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2101. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2102. u32 pkt_priority_to_cos = 0;
  2103. struct bnx2x *bp = params->bp;
  2104. u8 port = params->port;
  2105. int set_pfc = params->feature_config_flags &
  2106. FEATURE_CONFIG_PFC_ENABLED;
  2107. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2108. /*
  2109. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2110. * MAC control frames (that are not pause packets)
  2111. * will be forwarded to the XCM.
  2112. */
  2113. xcm_mask = REG_RD(bp,
  2114. port ? NIG_REG_LLH1_XCM_MASK :
  2115. NIG_REG_LLH0_XCM_MASK);
  2116. /*
  2117. * nig params will override non PFC params, since it's possible to
  2118. * do transition from PFC to SAFC
  2119. */
  2120. if (set_pfc) {
  2121. pause_enable = 0;
  2122. llfc_out_en = 0;
  2123. llfc_enable = 0;
  2124. if (CHIP_IS_E3(bp))
  2125. ppp_enable = 0;
  2126. else
  2127. ppp_enable = 1;
  2128. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2129. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2130. xcm0_out_en = 0;
  2131. p0_hwpfc_enable = 1;
  2132. } else {
  2133. if (nig_params) {
  2134. llfc_out_en = nig_params->llfc_out_en;
  2135. llfc_enable = nig_params->llfc_enable;
  2136. pause_enable = nig_params->pause_enable;
  2137. } else /*defaul non PFC mode - PAUSE */
  2138. pause_enable = 1;
  2139. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2140. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2141. xcm0_out_en = 1;
  2142. }
  2143. if (CHIP_IS_E3(bp))
  2144. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2145. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2146. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2147. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2148. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2149. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2150. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2151. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2152. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2153. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2154. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2155. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2156. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2157. /* output enable for RX_XCM # IF */
  2158. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2159. /* HW PFC TX enable */
  2160. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2161. if (nig_params) {
  2162. u8 i = 0;
  2163. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2164. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2165. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2166. nig_params->rx_cos_priority_mask[i], port);
  2167. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2168. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2169. nig_params->llfc_high_priority_classes);
  2170. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2171. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2172. nig_params->llfc_low_priority_classes);
  2173. }
  2174. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2175. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2176. pkt_priority_to_cos);
  2177. }
  2178. int bnx2x_update_pfc(struct link_params *params,
  2179. struct link_vars *vars,
  2180. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2181. {
  2182. /*
  2183. * The PFC and pause are orthogonal to one another, meaning when
  2184. * PFC is enabled, the pause are disabled, and when PFC is
  2185. * disabled, pause are set according to the pause result.
  2186. */
  2187. u32 val;
  2188. struct bnx2x *bp = params->bp;
  2189. int bnx2x_status = 0;
  2190. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2191. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2192. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2193. else
  2194. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2195. bnx2x_update_mng(params, vars->link_status);
  2196. /* update NIG params */
  2197. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2198. /* update BRB params */
  2199. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2200. if (0 != bnx2x_status)
  2201. return bnx2x_status;
  2202. if (!vars->link_up)
  2203. return bnx2x_status;
  2204. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2205. if (CHIP_IS_E3(bp))
  2206. bnx2x_update_pfc_xmac(params, vars, 0);
  2207. else {
  2208. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2209. if ((val &
  2210. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2211. == 0) {
  2212. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2213. bnx2x_emac_enable(params, vars, 0);
  2214. return bnx2x_status;
  2215. }
  2216. if (CHIP_IS_E2(bp))
  2217. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2218. else
  2219. bnx2x_update_pfc_bmac1(params, vars);
  2220. val = 0;
  2221. if ((params->feature_config_flags &
  2222. FEATURE_CONFIG_PFC_ENABLED) ||
  2223. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2224. val = 1;
  2225. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2226. }
  2227. return bnx2x_status;
  2228. }
  2229. static int bnx2x_bmac1_enable(struct link_params *params,
  2230. struct link_vars *vars,
  2231. u8 is_lb)
  2232. {
  2233. struct bnx2x *bp = params->bp;
  2234. u8 port = params->port;
  2235. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2236. NIG_REG_INGRESS_BMAC0_MEM;
  2237. u32 wb_data[2];
  2238. u32 val;
  2239. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2240. /* XGXS control */
  2241. wb_data[0] = 0x3c;
  2242. wb_data[1] = 0;
  2243. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2244. wb_data, 2);
  2245. /* tx MAC SA */
  2246. wb_data[0] = ((params->mac_addr[2] << 24) |
  2247. (params->mac_addr[3] << 16) |
  2248. (params->mac_addr[4] << 8) |
  2249. params->mac_addr[5]);
  2250. wb_data[1] = ((params->mac_addr[0] << 8) |
  2251. params->mac_addr[1]);
  2252. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2253. /* mac control */
  2254. val = 0x3;
  2255. if (is_lb) {
  2256. val |= 0x4;
  2257. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2258. }
  2259. wb_data[0] = val;
  2260. wb_data[1] = 0;
  2261. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2262. /* set rx mtu */
  2263. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2264. wb_data[1] = 0;
  2265. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2266. bnx2x_update_pfc_bmac1(params, vars);
  2267. /* set tx mtu */
  2268. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2269. wb_data[1] = 0;
  2270. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2271. /* set cnt max size */
  2272. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2273. wb_data[1] = 0;
  2274. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2275. /* configure safc */
  2276. wb_data[0] = 0x1000200;
  2277. wb_data[1] = 0;
  2278. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2279. wb_data, 2);
  2280. return 0;
  2281. }
  2282. static int bnx2x_bmac2_enable(struct link_params *params,
  2283. struct link_vars *vars,
  2284. u8 is_lb)
  2285. {
  2286. struct bnx2x *bp = params->bp;
  2287. u8 port = params->port;
  2288. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2289. NIG_REG_INGRESS_BMAC0_MEM;
  2290. u32 wb_data[2];
  2291. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2292. wb_data[0] = 0;
  2293. wb_data[1] = 0;
  2294. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2295. udelay(30);
  2296. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2297. wb_data[0] = 0x3c;
  2298. wb_data[1] = 0;
  2299. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2300. wb_data, 2);
  2301. udelay(30);
  2302. /* tx MAC SA */
  2303. wb_data[0] = ((params->mac_addr[2] << 24) |
  2304. (params->mac_addr[3] << 16) |
  2305. (params->mac_addr[4] << 8) |
  2306. params->mac_addr[5]);
  2307. wb_data[1] = ((params->mac_addr[0] << 8) |
  2308. params->mac_addr[1]);
  2309. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2310. wb_data, 2);
  2311. udelay(30);
  2312. /* Configure SAFC */
  2313. wb_data[0] = 0x1000200;
  2314. wb_data[1] = 0;
  2315. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2316. wb_data, 2);
  2317. udelay(30);
  2318. /* set rx mtu */
  2319. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2320. wb_data[1] = 0;
  2321. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2322. udelay(30);
  2323. /* set tx mtu */
  2324. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2325. wb_data[1] = 0;
  2326. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2327. udelay(30);
  2328. /* set cnt max size */
  2329. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2330. wb_data[1] = 0;
  2331. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2332. udelay(30);
  2333. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2334. return 0;
  2335. }
  2336. static int bnx2x_bmac_enable(struct link_params *params,
  2337. struct link_vars *vars,
  2338. u8 is_lb)
  2339. {
  2340. int rc = 0;
  2341. u8 port = params->port;
  2342. struct bnx2x *bp = params->bp;
  2343. u32 val;
  2344. /* reset and unreset the BigMac */
  2345. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2346. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2347. msleep(1);
  2348. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2349. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2350. /* enable access for bmac registers */
  2351. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2352. /* Enable BMAC according to BMAC type*/
  2353. if (CHIP_IS_E2(bp))
  2354. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2355. else
  2356. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2357. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2358. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2359. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2360. val = 0;
  2361. if ((params->feature_config_flags &
  2362. FEATURE_CONFIG_PFC_ENABLED) ||
  2363. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2364. val = 1;
  2365. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2366. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2369. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2370. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2371. vars->mac_type = MAC_TYPE_BMAC;
  2372. return rc;
  2373. }
  2374. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2375. {
  2376. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2377. NIG_REG_INGRESS_BMAC0_MEM;
  2378. u32 wb_data[2];
  2379. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2380. /* Only if the bmac is out of reset */
  2381. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2382. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2383. nig_bmac_enable) {
  2384. if (CHIP_IS_E2(bp)) {
  2385. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2386. REG_RD_DMAE(bp, bmac_addr +
  2387. BIGMAC2_REGISTER_BMAC_CONTROL,
  2388. wb_data, 2);
  2389. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2390. REG_WR_DMAE(bp, bmac_addr +
  2391. BIGMAC2_REGISTER_BMAC_CONTROL,
  2392. wb_data, 2);
  2393. } else {
  2394. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2395. REG_RD_DMAE(bp, bmac_addr +
  2396. BIGMAC_REGISTER_BMAC_CONTROL,
  2397. wb_data, 2);
  2398. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2399. REG_WR_DMAE(bp, bmac_addr +
  2400. BIGMAC_REGISTER_BMAC_CONTROL,
  2401. wb_data, 2);
  2402. }
  2403. msleep(1);
  2404. }
  2405. }
  2406. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2407. u32 line_speed)
  2408. {
  2409. struct bnx2x *bp = params->bp;
  2410. u8 port = params->port;
  2411. u32 init_crd, crd;
  2412. u32 count = 1000;
  2413. /* disable port */
  2414. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2415. /* wait for init credit */
  2416. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2417. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2418. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2419. while ((init_crd != crd) && count) {
  2420. msleep(5);
  2421. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2422. count--;
  2423. }
  2424. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2425. if (init_crd != crd) {
  2426. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2427. init_crd, crd);
  2428. return -EINVAL;
  2429. }
  2430. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2431. line_speed == SPEED_10 ||
  2432. line_speed == SPEED_100 ||
  2433. line_speed == SPEED_1000 ||
  2434. line_speed == SPEED_2500) {
  2435. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2436. /* update threshold */
  2437. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2438. /* update init credit */
  2439. init_crd = 778; /* (800-18-4) */
  2440. } else {
  2441. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2442. ETH_OVREHEAD)/16;
  2443. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2444. /* update threshold */
  2445. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2446. /* update init credit */
  2447. switch (line_speed) {
  2448. case SPEED_10000:
  2449. init_crd = thresh + 553 - 22;
  2450. break;
  2451. default:
  2452. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2453. line_speed);
  2454. return -EINVAL;
  2455. }
  2456. }
  2457. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2458. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2459. line_speed, init_crd);
  2460. /* probe the credit changes */
  2461. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2462. msleep(5);
  2463. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2464. /* enable port */
  2465. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2466. return 0;
  2467. }
  2468. /**
  2469. * bnx2x_get_emac_base - retrive emac base address
  2470. *
  2471. * @bp: driver handle
  2472. * @mdc_mdio_access: access type
  2473. * @port: port id
  2474. *
  2475. * This function selects the MDC/MDIO access (through emac0 or
  2476. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2477. * phy has a default access mode, which could also be overridden
  2478. * by nvram configuration. This parameter, whether this is the
  2479. * default phy configuration, or the nvram overrun
  2480. * configuration, is passed here as mdc_mdio_access and selects
  2481. * the emac_base for the CL45 read/writes operations
  2482. */
  2483. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2484. u32 mdc_mdio_access, u8 port)
  2485. {
  2486. u32 emac_base = 0;
  2487. switch (mdc_mdio_access) {
  2488. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2489. break;
  2490. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2491. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2492. emac_base = GRCBASE_EMAC1;
  2493. else
  2494. emac_base = GRCBASE_EMAC0;
  2495. break;
  2496. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2497. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2498. emac_base = GRCBASE_EMAC0;
  2499. else
  2500. emac_base = GRCBASE_EMAC1;
  2501. break;
  2502. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2503. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2504. break;
  2505. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2506. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2507. break;
  2508. default:
  2509. break;
  2510. }
  2511. return emac_base;
  2512. }
  2513. /******************************************************************/
  2514. /* CL22 access functions */
  2515. /******************************************************************/
  2516. static int bnx2x_cl22_write(struct bnx2x *bp,
  2517. struct bnx2x_phy *phy,
  2518. u16 reg, u16 val)
  2519. {
  2520. u32 tmp, mode;
  2521. u8 i;
  2522. int rc = 0;
  2523. /* Switch to CL22 */
  2524. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2525. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2526. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2527. /* address */
  2528. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2529. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2530. EMAC_MDIO_COMM_START_BUSY);
  2531. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2532. for (i = 0; i < 50; i++) {
  2533. udelay(10);
  2534. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2535. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2536. udelay(5);
  2537. break;
  2538. }
  2539. }
  2540. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2541. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2542. rc = -EFAULT;
  2543. }
  2544. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2545. return rc;
  2546. }
  2547. static int bnx2x_cl22_read(struct bnx2x *bp,
  2548. struct bnx2x_phy *phy,
  2549. u16 reg, u16 *ret_val)
  2550. {
  2551. u32 val, mode;
  2552. u16 i;
  2553. int rc = 0;
  2554. /* Switch to CL22 */
  2555. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2556. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2557. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2558. /* address */
  2559. val = ((phy->addr << 21) | (reg << 16) |
  2560. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2561. EMAC_MDIO_COMM_START_BUSY);
  2562. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2563. for (i = 0; i < 50; i++) {
  2564. udelay(10);
  2565. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2566. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2567. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2568. udelay(5);
  2569. break;
  2570. }
  2571. }
  2572. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2573. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2574. *ret_val = 0;
  2575. rc = -EFAULT;
  2576. }
  2577. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2578. return rc;
  2579. }
  2580. /******************************************************************/
  2581. /* CL45 access functions */
  2582. /******************************************************************/
  2583. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2584. u8 devad, u16 reg, u16 *ret_val)
  2585. {
  2586. u32 val;
  2587. u16 i;
  2588. int rc = 0;
  2589. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2590. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2591. EMAC_MDIO_STATUS_10MB);
  2592. /* address */
  2593. val = ((phy->addr << 21) | (devad << 16) | reg |
  2594. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2595. EMAC_MDIO_COMM_START_BUSY);
  2596. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2597. for (i = 0; i < 50; i++) {
  2598. udelay(10);
  2599. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2600. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2601. udelay(5);
  2602. break;
  2603. }
  2604. }
  2605. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2606. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2607. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2608. *ret_val = 0;
  2609. rc = -EFAULT;
  2610. } else {
  2611. /* data */
  2612. val = ((phy->addr << 21) | (devad << 16) |
  2613. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2614. EMAC_MDIO_COMM_START_BUSY);
  2615. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2616. for (i = 0; i < 50; i++) {
  2617. udelay(10);
  2618. val = REG_RD(bp, phy->mdio_ctrl +
  2619. EMAC_REG_EMAC_MDIO_COMM);
  2620. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2621. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2622. break;
  2623. }
  2624. }
  2625. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2626. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2627. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2628. *ret_val = 0;
  2629. rc = -EFAULT;
  2630. }
  2631. }
  2632. /* Work around for E3 A0 */
  2633. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2634. phy->flags ^= FLAGS_DUMMY_READ;
  2635. if (phy->flags & FLAGS_DUMMY_READ) {
  2636. u16 temp_val;
  2637. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2638. }
  2639. }
  2640. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2641. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2642. EMAC_MDIO_STATUS_10MB);
  2643. return rc;
  2644. }
  2645. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2646. u8 devad, u16 reg, u16 val)
  2647. {
  2648. u32 tmp;
  2649. u8 i;
  2650. int rc = 0;
  2651. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2652. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2653. EMAC_MDIO_STATUS_10MB);
  2654. /* address */
  2655. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2656. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2657. EMAC_MDIO_COMM_START_BUSY);
  2658. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2659. for (i = 0; i < 50; i++) {
  2660. udelay(10);
  2661. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2662. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2663. udelay(5);
  2664. break;
  2665. }
  2666. }
  2667. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2668. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2669. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2670. rc = -EFAULT;
  2671. } else {
  2672. /* data */
  2673. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2674. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2675. EMAC_MDIO_COMM_START_BUSY);
  2676. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2677. for (i = 0; i < 50; i++) {
  2678. udelay(10);
  2679. tmp = REG_RD(bp, phy->mdio_ctrl +
  2680. EMAC_REG_EMAC_MDIO_COMM);
  2681. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2682. udelay(5);
  2683. break;
  2684. }
  2685. }
  2686. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2687. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2688. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2689. rc = -EFAULT;
  2690. }
  2691. }
  2692. /* Work around for E3 A0 */
  2693. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2694. phy->flags ^= FLAGS_DUMMY_READ;
  2695. if (phy->flags & FLAGS_DUMMY_READ) {
  2696. u16 temp_val;
  2697. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2698. }
  2699. }
  2700. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2701. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2702. EMAC_MDIO_STATUS_10MB);
  2703. return rc;
  2704. }
  2705. /******************************************************************/
  2706. /* BSC access functions from E3 */
  2707. /******************************************************************/
  2708. static void bnx2x_bsc_module_sel(struct link_params *params)
  2709. {
  2710. int idx;
  2711. u32 board_cfg, sfp_ctrl;
  2712. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2713. struct bnx2x *bp = params->bp;
  2714. u8 port = params->port;
  2715. /* Read I2C output PINs */
  2716. board_cfg = REG_RD(bp, params->shmem_base +
  2717. offsetof(struct shmem_region,
  2718. dev_info.shared_hw_config.board));
  2719. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2720. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2721. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2722. /* Read I2C output value */
  2723. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2724. offsetof(struct shmem_region,
  2725. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2726. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2727. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2728. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2729. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2730. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2731. }
  2732. static int bnx2x_bsc_read(struct link_params *params,
  2733. struct bnx2x_phy *phy,
  2734. u8 sl_devid,
  2735. u16 sl_addr,
  2736. u8 lc_addr,
  2737. u8 xfer_cnt,
  2738. u32 *data_array)
  2739. {
  2740. u32 val, i;
  2741. int rc = 0;
  2742. struct bnx2x *bp = params->bp;
  2743. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2744. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2745. return -EINVAL;
  2746. }
  2747. if (xfer_cnt > 16) {
  2748. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2749. xfer_cnt);
  2750. return -EINVAL;
  2751. }
  2752. bnx2x_bsc_module_sel(params);
  2753. xfer_cnt = 16 - lc_addr;
  2754. /* enable the engine */
  2755. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2756. val |= MCPR_IMC_COMMAND_ENABLE;
  2757. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2758. /* program slave device ID */
  2759. val = (sl_devid << 16) | sl_addr;
  2760. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2761. /* start xfer with 0 byte to update the address pointer ???*/
  2762. val = (MCPR_IMC_COMMAND_ENABLE) |
  2763. (MCPR_IMC_COMMAND_WRITE_OP <<
  2764. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2765. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2766. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2767. /* poll for completion */
  2768. i = 0;
  2769. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2770. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2771. udelay(10);
  2772. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2773. if (i++ > 1000) {
  2774. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2775. i);
  2776. rc = -EFAULT;
  2777. break;
  2778. }
  2779. }
  2780. if (rc == -EFAULT)
  2781. return rc;
  2782. /* start xfer with read op */
  2783. val = (MCPR_IMC_COMMAND_ENABLE) |
  2784. (MCPR_IMC_COMMAND_READ_OP <<
  2785. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2786. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2787. (xfer_cnt);
  2788. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2789. /* poll for completion */
  2790. i = 0;
  2791. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2792. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2793. udelay(10);
  2794. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2795. if (i++ > 1000) {
  2796. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2797. rc = -EFAULT;
  2798. break;
  2799. }
  2800. }
  2801. if (rc == -EFAULT)
  2802. return rc;
  2803. for (i = (lc_addr >> 2); i < 4; i++) {
  2804. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2805. #ifdef __BIG_ENDIAN
  2806. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2807. ((data_array[i] & 0x0000ff00) << 8) |
  2808. ((data_array[i] & 0x00ff0000) >> 8) |
  2809. ((data_array[i] & 0xff000000) >> 24);
  2810. #endif
  2811. }
  2812. return rc;
  2813. }
  2814. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2815. u8 devad, u16 reg, u16 or_val)
  2816. {
  2817. u16 val;
  2818. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2819. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2820. }
  2821. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2822. u8 devad, u16 reg, u16 *ret_val)
  2823. {
  2824. u8 phy_index;
  2825. /*
  2826. * Probe for the phy according to the given phy_addr, and execute
  2827. * the read request on it
  2828. */
  2829. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2830. if (params->phy[phy_index].addr == phy_addr) {
  2831. return bnx2x_cl45_read(params->bp,
  2832. &params->phy[phy_index], devad,
  2833. reg, ret_val);
  2834. }
  2835. }
  2836. return -EINVAL;
  2837. }
  2838. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2839. u8 devad, u16 reg, u16 val)
  2840. {
  2841. u8 phy_index;
  2842. /*
  2843. * Probe for the phy according to the given phy_addr, and execute
  2844. * the write request on it
  2845. */
  2846. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2847. if (params->phy[phy_index].addr == phy_addr) {
  2848. return bnx2x_cl45_write(params->bp,
  2849. &params->phy[phy_index], devad,
  2850. reg, val);
  2851. }
  2852. }
  2853. return -EINVAL;
  2854. }
  2855. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2856. struct link_params *params)
  2857. {
  2858. u8 lane = 0;
  2859. struct bnx2x *bp = params->bp;
  2860. u32 path_swap, path_swap_ovr;
  2861. u8 path, port;
  2862. path = BP_PATH(bp);
  2863. port = params->port;
  2864. if (bnx2x_is_4_port_mode(bp)) {
  2865. u32 port_swap, port_swap_ovr;
  2866. /*figure out path swap value */
  2867. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2868. if (path_swap_ovr & 0x1)
  2869. path_swap = (path_swap_ovr & 0x2);
  2870. else
  2871. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2872. if (path_swap)
  2873. path = path ^ 1;
  2874. /*figure out port swap value */
  2875. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2876. if (port_swap_ovr & 0x1)
  2877. port_swap = (port_swap_ovr & 0x2);
  2878. else
  2879. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2880. if (port_swap)
  2881. port = port ^ 1;
  2882. lane = (port<<1) + path;
  2883. } else { /* two port mode - no port swap */
  2884. /*figure out path swap value */
  2885. path_swap_ovr =
  2886. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2887. if (path_swap_ovr & 0x1) {
  2888. path_swap = (path_swap_ovr & 0x2);
  2889. } else {
  2890. path_swap =
  2891. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2892. }
  2893. if (path_swap)
  2894. path = path ^ 1;
  2895. lane = path << 1 ;
  2896. }
  2897. return lane;
  2898. }
  2899. static void bnx2x_set_aer_mmd(struct link_params *params,
  2900. struct bnx2x_phy *phy)
  2901. {
  2902. u32 ser_lane;
  2903. u16 offset, aer_val;
  2904. struct bnx2x *bp = params->bp;
  2905. ser_lane = ((params->lane_config &
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2908. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2909. (phy->addr + ser_lane) : 0;
  2910. if (USES_WARPCORE(bp)) {
  2911. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2912. /*
  2913. * In Dual-lane mode, two lanes are joined together,
  2914. * so in order to configure them, the AER broadcast method is
  2915. * used here.
  2916. * 0x200 is the broadcast address for lanes 0,1
  2917. * 0x201 is the broadcast address for lanes 2,3
  2918. */
  2919. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2920. aer_val = (aer_val >> 1) | 0x200;
  2921. } else if (CHIP_IS_E2(bp))
  2922. aer_val = 0x3800 + offset - 1;
  2923. else
  2924. aer_val = 0x3800 + offset;
  2925. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2926. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2927. MDIO_AER_BLOCK_AER_REG, aer_val);
  2928. }
  2929. /******************************************************************/
  2930. /* Internal phy section */
  2931. /******************************************************************/
  2932. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2933. {
  2934. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2935. /* Set Clause 22 */
  2936. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2937. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2938. udelay(500);
  2939. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2940. udelay(500);
  2941. /* Set Clause 45 */
  2942. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2943. }
  2944. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2945. {
  2946. u32 val;
  2947. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2948. val = SERDES_RESET_BITS << (port*16);
  2949. /* reset and unreset the SerDes/XGXS */
  2950. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2951. udelay(500);
  2952. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2953. bnx2x_set_serdes_access(bp, port);
  2954. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2955. DEFAULT_PHY_DEV_ADDR);
  2956. }
  2957. static void bnx2x_xgxs_deassert(struct link_params *params)
  2958. {
  2959. struct bnx2x *bp = params->bp;
  2960. u8 port;
  2961. u32 val;
  2962. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2963. port = params->port;
  2964. val = XGXS_RESET_BITS << (port*16);
  2965. /* reset and unreset the SerDes/XGXS */
  2966. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2967. udelay(500);
  2968. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2969. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2970. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2971. params->phy[INT_PHY].def_md_devad);
  2972. }
  2973. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2974. struct link_params *params, u16 *ieee_fc)
  2975. {
  2976. struct bnx2x *bp = params->bp;
  2977. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2978. /**
  2979. * resolve pause mode and advertisement Please refer to Table
  2980. * 28B-3 of the 802.3ab-1999 spec
  2981. */
  2982. switch (phy->req_flow_ctrl) {
  2983. case BNX2X_FLOW_CTRL_AUTO:
  2984. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2985. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2986. else
  2987. *ieee_fc |=
  2988. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2989. break;
  2990. case BNX2X_FLOW_CTRL_TX:
  2991. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2992. break;
  2993. case BNX2X_FLOW_CTRL_RX:
  2994. case BNX2X_FLOW_CTRL_BOTH:
  2995. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2996. break;
  2997. case BNX2X_FLOW_CTRL_NONE:
  2998. default:
  2999. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3000. break;
  3001. }
  3002. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3003. }
  3004. static void set_phy_vars(struct link_params *params,
  3005. struct link_vars *vars)
  3006. {
  3007. struct bnx2x *bp = params->bp;
  3008. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3009. u8 phy_config_swapped = params->multi_phy_config &
  3010. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3011. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3012. phy_index++) {
  3013. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3014. actual_phy_idx = phy_index;
  3015. if (phy_config_swapped) {
  3016. if (phy_index == EXT_PHY1)
  3017. actual_phy_idx = EXT_PHY2;
  3018. else if (phy_index == EXT_PHY2)
  3019. actual_phy_idx = EXT_PHY1;
  3020. }
  3021. params->phy[actual_phy_idx].req_flow_ctrl =
  3022. params->req_flow_ctrl[link_cfg_idx];
  3023. params->phy[actual_phy_idx].req_line_speed =
  3024. params->req_line_speed[link_cfg_idx];
  3025. params->phy[actual_phy_idx].speed_cap_mask =
  3026. params->speed_cap_mask[link_cfg_idx];
  3027. params->phy[actual_phy_idx].req_duplex =
  3028. params->req_duplex[link_cfg_idx];
  3029. if (params->req_line_speed[link_cfg_idx] ==
  3030. SPEED_AUTO_NEG)
  3031. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3032. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3033. " speed_cap_mask %x\n",
  3034. params->phy[actual_phy_idx].req_flow_ctrl,
  3035. params->phy[actual_phy_idx].req_line_speed,
  3036. params->phy[actual_phy_idx].speed_cap_mask);
  3037. }
  3038. }
  3039. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3040. struct bnx2x_phy *phy,
  3041. struct link_vars *vars)
  3042. {
  3043. u16 val;
  3044. struct bnx2x *bp = params->bp;
  3045. /* read modify write pause advertizing */
  3046. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3047. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3048. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3049. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3050. if ((vars->ieee_fc &
  3051. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3053. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3054. }
  3055. if ((vars->ieee_fc &
  3056. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3057. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3058. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3059. }
  3060. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3061. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3062. }
  3063. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3064. { /* LD LP */
  3065. switch (pause_result) { /* ASYM P ASYM P */
  3066. case 0xb: /* 1 0 1 1 */
  3067. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3068. break;
  3069. case 0xe: /* 1 1 1 0 */
  3070. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3071. break;
  3072. case 0x5: /* 0 1 0 1 */
  3073. case 0x7: /* 0 1 1 1 */
  3074. case 0xd: /* 1 1 0 1 */
  3075. case 0xf: /* 1 1 1 1 */
  3076. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3077. break;
  3078. default:
  3079. break;
  3080. }
  3081. if (pause_result & (1<<0))
  3082. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3083. if (pause_result & (1<<1))
  3084. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3085. }
  3086. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3087. struct link_params *params,
  3088. struct link_vars *vars)
  3089. {
  3090. struct bnx2x *bp = params->bp;
  3091. u16 ld_pause; /* local */
  3092. u16 lp_pause; /* link partner */
  3093. u16 pause_result;
  3094. u8 ret = 0;
  3095. /* read twice */
  3096. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3097. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3098. vars->flow_ctrl = phy->req_flow_ctrl;
  3099. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3100. vars->flow_ctrl = params->req_fc_auto_adv;
  3101. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3102. ret = 1;
  3103. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3104. bnx2x_cl22_read(bp, phy,
  3105. 0x4, &ld_pause);
  3106. bnx2x_cl22_read(bp, phy,
  3107. 0x5, &lp_pause);
  3108. } else {
  3109. bnx2x_cl45_read(bp, phy,
  3110. MDIO_AN_DEVAD,
  3111. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3112. bnx2x_cl45_read(bp, phy,
  3113. MDIO_AN_DEVAD,
  3114. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3115. }
  3116. pause_result = (ld_pause &
  3117. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3118. pause_result |= (lp_pause &
  3119. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3120. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3121. pause_result);
  3122. bnx2x_pause_resolve(vars, pause_result);
  3123. }
  3124. return ret;
  3125. }
  3126. /******************************************************************/
  3127. /* Warpcore section */
  3128. /******************************************************************/
  3129. /* The init_internal_warpcore should mirror the xgxs,
  3130. * i.e. reset the lane (if needed), set aer for the
  3131. * init configuration, and set/clear SGMII flag. Internal
  3132. * phy init is done purely in phy_init stage.
  3133. */
  3134. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3135. struct link_params *params,
  3136. struct link_vars *vars) {
  3137. u16 val16 = 0, lane, bam37 = 0;
  3138. struct bnx2x *bp = params->bp;
  3139. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3140. /* Disable Autoneg: re-enable it after adv is done. */
  3141. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3142. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3143. /* Check adding advertisement for 1G KX */
  3144. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3145. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3146. (vars->line_speed == SPEED_1000)) {
  3147. u16 sd_digital;
  3148. val16 |= (1<<5);
  3149. /* Enable CL37 1G Parallel Detect */
  3150. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3151. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3152. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3153. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3154. (sd_digital | 0x1));
  3155. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3156. }
  3157. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3158. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3159. (vars->line_speed == SPEED_10000)) {
  3160. /* Check adding advertisement for 10G KR */
  3161. val16 |= (1<<7);
  3162. /* Enable 10G Parallel Detect */
  3163. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3164. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3165. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3166. }
  3167. /* Set Transmit PMD settings */
  3168. lane = bnx2x_get_warpcore_lane(phy, params);
  3169. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3170. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3171. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3172. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3173. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3174. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3175. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3176. 0x03f0);
  3177. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3179. 0x03f0);
  3180. /* Advertised speeds */
  3181. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3182. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3183. /* Advertised and set FEC (Forward Error Correction) */
  3184. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3185. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3186. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3187. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3188. /* Enable CL37 BAM */
  3189. if (REG_RD(bp, params->shmem_base +
  3190. offsetof(struct shmem_region, dev_info.
  3191. port_hw_config[params->port].default_cfg)) &
  3192. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3193. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3194. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3195. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3196. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3197. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3198. }
  3199. /* Advertise pause */
  3200. bnx2x_ext_phy_set_pause(params, phy, vars);
  3201. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3202. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3203. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3204. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3205. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3206. /* Over 1G - AN local device user page 1 */
  3207. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3208. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3209. /* Enable Autoneg */
  3210. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3211. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3212. }
  3213. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3214. struct link_params *params,
  3215. struct link_vars *vars)
  3216. {
  3217. struct bnx2x *bp = params->bp;
  3218. u16 val;
  3219. /* Disable Autoneg */
  3220. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3221. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3222. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3223. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3224. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3225. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3226. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3227. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3228. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3229. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3230. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3234. /* Disable CL36 PCS Tx */
  3235. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3236. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3237. /* Double Wide Single Data Rate @ pll rate */
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3240. /* Leave cl72 training enable, needed for KR */
  3241. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3242. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3243. 0x2);
  3244. /* Leave CL72 enabled */
  3245. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3246. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3247. &val);
  3248. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3249. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3250. val | 0x3800);
  3251. /* Set speed via PMA/PMD register */
  3252. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3253. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3254. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3255. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3256. /*Enable encoded forced speed */
  3257. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3258. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3259. /* Turn TX scramble payload only the 64/66 scrambler */
  3260. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3261. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3262. /* Turn RX scramble payload only the 64/66 scrambler */
  3263. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3265. /* set and clear loopback to cause a reset to 64/66 decoder */
  3266. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3270. }
  3271. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3272. struct link_params *params,
  3273. u8 is_xfi)
  3274. {
  3275. struct bnx2x *bp = params->bp;
  3276. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3277. /* Hold rxSeqStart */
  3278. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3282. /* Hold tx_fifo_reset */
  3283. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3285. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3287. /* Disable CL73 AN */
  3288. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3289. /* Disable 100FX Enable and Auto-Detect */
  3290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_FX100_CTRL1, &val);
  3292. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3294. /* Disable 100FX Idle detect */
  3295. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_FX100_CTRL3, &val);
  3297. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3299. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3300. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3304. /* Turn off auto-detect & fiber mode */
  3305. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3309. (val & 0xFFEE));
  3310. /* Set filter_force_link, disable_false_link and parallel_detect */
  3311. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3312. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3315. ((val | 0x0006) & 0xFFFE));
  3316. /* Set XFI / SFI */
  3317. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3318. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3319. misc1_val &= ~(0x1f);
  3320. if (is_xfi) {
  3321. misc1_val |= 0x5;
  3322. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3323. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3324. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3325. tx_driver_val =
  3326. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3327. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3328. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3329. } else {
  3330. misc1_val |= 0x9;
  3331. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3332. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3333. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3334. tx_driver_val =
  3335. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3336. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3337. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3338. }
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3341. /* Set Transmit PMD settings */
  3342. lane = bnx2x_get_warpcore_lane(phy, params);
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_TX_FIR_TAP,
  3345. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3348. tx_driver_val);
  3349. /* Enable fiber mode, enable and invert sig_det */
  3350. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3352. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3354. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3355. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3359. /* 10G XFI Full Duplex */
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3362. /* Release tx_fifo_reset */
  3363. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3367. /* Release rxSeqStart */
  3368. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3372. }
  3373. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3374. struct bnx2x_phy *phy)
  3375. {
  3376. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3377. }
  3378. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3379. struct bnx2x_phy *phy,
  3380. u16 lane)
  3381. {
  3382. /* Rx0 anaRxControl1G */
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3385. /* Rx2 anaRxControl1G */
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3390. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3391. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3402. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3404. /* Serdes Digital Misc1 */
  3405. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3407. /* Serdes Digital4 Misc3 */
  3408. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3410. /* Set Transmit PMD settings */
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_TX_FIR_TAP,
  3413. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3414. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3415. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3416. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3419. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3420. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3421. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3422. }
  3423. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3424. struct link_params *params,
  3425. u8 fiber_mode)
  3426. {
  3427. struct bnx2x *bp = params->bp;
  3428. u16 val16, digctrl_kx1, digctrl_kx2;
  3429. u8 lane;
  3430. lane = bnx2x_get_warpcore_lane(phy, params);
  3431. /* Clear XFI clock comp in non-10G single lane mode. */
  3432. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_RX66_CONTROL, &val16);
  3434. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3436. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3437. /* SGMII Autoneg */
  3438. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3440. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3442. val16 | 0x1000);
  3443. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3444. } else {
  3445. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3447. val16 &= 0xcfbf;
  3448. switch (phy->req_line_speed) {
  3449. case SPEED_10:
  3450. break;
  3451. case SPEED_100:
  3452. val16 |= 0x2000;
  3453. break;
  3454. case SPEED_1000:
  3455. val16 |= 0x0040;
  3456. break;
  3457. default:
  3458. DP(NETIF_MSG_LINK,
  3459. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3460. return;
  3461. }
  3462. if (phy->req_duplex == DUPLEX_FULL)
  3463. val16 |= 0x0100;
  3464. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3466. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3467. phy->req_line_speed);
  3468. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3470. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3471. }
  3472. /* SGMII Slave mode and disable signal detect */
  3473. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3475. if (fiber_mode)
  3476. digctrl_kx1 = 1;
  3477. else
  3478. digctrl_kx1 &= 0xff4a;
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3481. digctrl_kx1);
  3482. /* Turn off parallel detect */
  3483. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3484. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3485. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3487. (digctrl_kx2 & ~(1<<2)));
  3488. /* Re-enable parallel detect */
  3489. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3491. (digctrl_kx2 | (1<<2)));
  3492. /* Enable autodet */
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3495. (digctrl_kx1 | 0x10));
  3496. }
  3497. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3498. struct bnx2x_phy *phy,
  3499. u8 reset)
  3500. {
  3501. u16 val;
  3502. /* Take lane out of reset after configuration is finished */
  3503. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3505. if (reset)
  3506. val |= 0xC000;
  3507. else
  3508. val &= 0x3FFF;
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3511. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3513. }
  3514. /* Clear SFI/XFI link settings registers */
  3515. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3516. struct link_params *params,
  3517. u16 lane)
  3518. {
  3519. struct bnx2x *bp = params->bp;
  3520. u16 val16;
  3521. /* Set XFI clock comp as default. */
  3522. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_RX66_CONTROL, &val16);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3526. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3527. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3542. lane = bnx2x_get_warpcore_lane(phy, params);
  3543. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3545. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3546. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3549. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3550. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3551. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3552. }
  3553. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3554. u32 chip_id,
  3555. u32 shmem_base, u8 port,
  3556. u8 *gpio_num, u8 *gpio_port)
  3557. {
  3558. u32 cfg_pin;
  3559. *gpio_num = 0;
  3560. *gpio_port = 0;
  3561. if (CHIP_IS_E3(bp)) {
  3562. cfg_pin = (REG_RD(bp, shmem_base +
  3563. offsetof(struct shmem_region,
  3564. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3565. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3566. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3567. /*
  3568. * Should not happen. This function called upon interrupt
  3569. * triggered by GPIO ( since EPIO can only generate interrupts
  3570. * to MCP).
  3571. * So if this function was called and none of the GPIOs was set,
  3572. * it means the shit hit the fan.
  3573. */
  3574. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3575. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3576. DP(NETIF_MSG_LINK,
  3577. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3578. cfg_pin);
  3579. return -EINVAL;
  3580. }
  3581. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3582. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3583. } else {
  3584. *gpio_num = MISC_REGISTERS_GPIO_3;
  3585. *gpio_port = port;
  3586. }
  3587. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3588. return 0;
  3589. }
  3590. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3591. struct link_params *params)
  3592. {
  3593. struct bnx2x *bp = params->bp;
  3594. u8 gpio_num, gpio_port;
  3595. u32 gpio_val;
  3596. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3597. params->shmem_base, params->port,
  3598. &gpio_num, &gpio_port) != 0)
  3599. return 0;
  3600. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3601. /* Call the handling function in case module is detected */
  3602. if (gpio_val == 0)
  3603. return 1;
  3604. else
  3605. return 0;
  3606. }
  3607. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3608. struct link_params *params)
  3609. {
  3610. u16 gp2_status_reg0, lane;
  3611. struct bnx2x *bp = params->bp;
  3612. lane = bnx2x_get_warpcore_lane(phy, params);
  3613. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3614. &gp2_status_reg0);
  3615. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3616. }
  3617. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3618. struct link_params *params,
  3619. struct link_vars *vars)
  3620. {
  3621. struct bnx2x *bp = params->bp;
  3622. u32 serdes_net_if;
  3623. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3624. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3625. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3626. if (!vars->turn_to_run_wc_rt)
  3627. return;
  3628. /* return if there is no link partner */
  3629. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3630. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3631. return;
  3632. }
  3633. if (vars->rx_tx_asic_rst) {
  3634. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3635. offsetof(struct shmem_region, dev_info.
  3636. port_hw_config[params->port].default_cfg)) &
  3637. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3638. switch (serdes_net_if) {
  3639. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3640. /* Do we get link yet? */
  3641. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3642. &gp_status1);
  3643. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3644. /*10G KR*/
  3645. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3646. DP(NETIF_MSG_LINK,
  3647. "gp_status1 0x%x\n", gp_status1);
  3648. if (lnkup_kr || lnkup) {
  3649. vars->rx_tx_asic_rst = 0;
  3650. DP(NETIF_MSG_LINK,
  3651. "link up, rx_tx_asic_rst 0x%x\n",
  3652. vars->rx_tx_asic_rst);
  3653. } else {
  3654. /*reset the lane to see if link comes up.*/
  3655. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3656. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3657. /* restart Autoneg */
  3658. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3659. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3660. vars->rx_tx_asic_rst--;
  3661. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3662. vars->rx_tx_asic_rst);
  3663. }
  3664. break;
  3665. default:
  3666. break;
  3667. }
  3668. } /*params->rx_tx_asic_rst*/
  3669. }
  3670. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3671. struct link_params *params,
  3672. struct link_vars *vars)
  3673. {
  3674. struct bnx2x *bp = params->bp;
  3675. u32 serdes_net_if;
  3676. u8 fiber_mode;
  3677. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3678. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3679. offsetof(struct shmem_region, dev_info.
  3680. port_hw_config[params->port].default_cfg)) &
  3681. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3682. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3683. "serdes_net_if = 0x%x\n",
  3684. vars->line_speed, serdes_net_if);
  3685. bnx2x_set_aer_mmd(params, phy);
  3686. vars->phy_flags |= PHY_XGXS_FLAG;
  3687. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3688. (phy->req_line_speed &&
  3689. ((phy->req_line_speed == SPEED_100) ||
  3690. (phy->req_line_speed == SPEED_10)))) {
  3691. vars->phy_flags |= PHY_SGMII_FLAG;
  3692. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3693. bnx2x_warpcore_clear_regs(phy, params, lane);
  3694. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3695. } else {
  3696. switch (serdes_net_if) {
  3697. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3698. /* Enable KR Auto Neg */
  3699. if (params->loopback_mode == LOOPBACK_NONE)
  3700. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3701. else {
  3702. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3703. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3704. }
  3705. break;
  3706. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3707. bnx2x_warpcore_clear_regs(phy, params, lane);
  3708. if (vars->line_speed == SPEED_10000) {
  3709. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3710. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3711. } else {
  3712. if (SINGLE_MEDIA_DIRECT(params)) {
  3713. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3714. fiber_mode = 1;
  3715. } else {
  3716. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3717. fiber_mode = 0;
  3718. }
  3719. bnx2x_warpcore_set_sgmii_speed(phy,
  3720. params,
  3721. fiber_mode);
  3722. }
  3723. break;
  3724. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3725. bnx2x_warpcore_clear_regs(phy, params, lane);
  3726. if (vars->line_speed == SPEED_10000) {
  3727. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3728. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3729. } else if (vars->line_speed == SPEED_1000) {
  3730. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3731. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3732. }
  3733. /* Issue Module detection */
  3734. if (bnx2x_is_sfp_module_plugged(phy, params))
  3735. bnx2x_sfp_module_detection(phy, params);
  3736. break;
  3737. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3738. if (vars->line_speed != SPEED_20000) {
  3739. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3740. return;
  3741. }
  3742. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3743. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3744. /* Issue Module detection */
  3745. bnx2x_sfp_module_detection(phy, params);
  3746. break;
  3747. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3748. if (vars->line_speed != SPEED_20000) {
  3749. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3750. return;
  3751. }
  3752. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3753. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3754. break;
  3755. default:
  3756. DP(NETIF_MSG_LINK,
  3757. "Unsupported Serdes Net Interface 0x%x\n",
  3758. serdes_net_if);
  3759. return;
  3760. }
  3761. }
  3762. /* Take lane out of reset after configuration is finished */
  3763. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3764. DP(NETIF_MSG_LINK, "Exit config init\n");
  3765. }
  3766. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3767. struct bnx2x_phy *phy,
  3768. u8 tx_en)
  3769. {
  3770. struct bnx2x *bp = params->bp;
  3771. u32 cfg_pin;
  3772. u8 port = params->port;
  3773. cfg_pin = REG_RD(bp, params->shmem_base +
  3774. offsetof(struct shmem_region,
  3775. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3776. PORT_HW_CFG_TX_LASER_MASK;
  3777. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3778. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3779. /* For 20G, the expected pin to be used is 3 pins after the current */
  3780. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3781. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3782. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3783. }
  3784. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3785. struct link_params *params)
  3786. {
  3787. struct bnx2x *bp = params->bp;
  3788. u16 val16;
  3789. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3790. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3791. bnx2x_set_aer_mmd(params, phy);
  3792. /* Global register */
  3793. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3794. /* Clear loopback settings (if any) */
  3795. /* 10G & 20G */
  3796. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3797. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3798. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3799. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3800. 0xBFFF);
  3801. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3802. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3803. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3804. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3805. /* Update those 1-copy registers */
  3806. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3807. MDIO_AER_BLOCK_AER_REG, 0);
  3808. /* Enable 1G MDIO (1-copy) */
  3809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3810. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3811. &val16);
  3812. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3813. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3814. val16 & ~0x10);
  3815. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3816. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3817. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3818. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3819. val16 & 0xff00);
  3820. }
  3821. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3822. struct link_params *params)
  3823. {
  3824. struct bnx2x *bp = params->bp;
  3825. u16 val16;
  3826. u32 lane;
  3827. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3828. params->loopback_mode, phy->req_line_speed);
  3829. if (phy->req_line_speed < SPEED_10000) {
  3830. /* 10/100/1000 */
  3831. /* Update those 1-copy registers */
  3832. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3833. MDIO_AER_BLOCK_AER_REG, 0);
  3834. /* Enable 1G MDIO (1-copy) */
  3835. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3836. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3837. &val16);
  3838. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3839. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3840. val16 | 0x10);
  3841. /* Set 1G loopback based on lane (1-copy) */
  3842. lane = bnx2x_get_warpcore_lane(phy, params);
  3843. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3844. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3845. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3846. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3847. val16 | (1<<lane));
  3848. /* Switch back to 4-copy registers */
  3849. bnx2x_set_aer_mmd(params, phy);
  3850. /* Global loopback, not recommended. */
  3851. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3852. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3853. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3854. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3855. 0x4000);
  3856. } else {
  3857. /* 10G & 20G */
  3858. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3859. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3860. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3861. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3862. 0x4000);
  3863. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3864. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3865. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3866. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3867. }
  3868. }
  3869. void bnx2x_link_status_update(struct link_params *params,
  3870. struct link_vars *vars)
  3871. {
  3872. struct bnx2x *bp = params->bp;
  3873. u8 link_10g_plus;
  3874. u8 port = params->port;
  3875. u32 sync_offset, media_types;
  3876. /* Update PHY configuration */
  3877. set_phy_vars(params, vars);
  3878. vars->link_status = REG_RD(bp, params->shmem_base +
  3879. offsetof(struct shmem_region,
  3880. port_mb[port].link_status));
  3881. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3882. vars->phy_flags = PHY_XGXS_FLAG;
  3883. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3884. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3885. if (vars->link_up) {
  3886. DP(NETIF_MSG_LINK, "phy link up\n");
  3887. vars->phy_link_up = 1;
  3888. vars->duplex = DUPLEX_FULL;
  3889. switch (vars->link_status &
  3890. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3891. case LINK_10THD:
  3892. vars->duplex = DUPLEX_HALF;
  3893. /* fall thru */
  3894. case LINK_10TFD:
  3895. vars->line_speed = SPEED_10;
  3896. break;
  3897. case LINK_100TXHD:
  3898. vars->duplex = DUPLEX_HALF;
  3899. /* fall thru */
  3900. case LINK_100T4:
  3901. case LINK_100TXFD:
  3902. vars->line_speed = SPEED_100;
  3903. break;
  3904. case LINK_1000THD:
  3905. vars->duplex = DUPLEX_HALF;
  3906. /* fall thru */
  3907. case LINK_1000TFD:
  3908. vars->line_speed = SPEED_1000;
  3909. break;
  3910. case LINK_2500THD:
  3911. vars->duplex = DUPLEX_HALF;
  3912. /* fall thru */
  3913. case LINK_2500TFD:
  3914. vars->line_speed = SPEED_2500;
  3915. break;
  3916. case LINK_10GTFD:
  3917. vars->line_speed = SPEED_10000;
  3918. break;
  3919. case LINK_20GTFD:
  3920. vars->line_speed = SPEED_20000;
  3921. break;
  3922. default:
  3923. break;
  3924. }
  3925. vars->flow_ctrl = 0;
  3926. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3927. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3928. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3929. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3930. if (!vars->flow_ctrl)
  3931. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3932. if (vars->line_speed &&
  3933. ((vars->line_speed == SPEED_10) ||
  3934. (vars->line_speed == SPEED_100))) {
  3935. vars->phy_flags |= PHY_SGMII_FLAG;
  3936. } else {
  3937. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3938. }
  3939. if (vars->line_speed &&
  3940. USES_WARPCORE(bp) &&
  3941. (vars->line_speed == SPEED_1000))
  3942. vars->phy_flags |= PHY_SGMII_FLAG;
  3943. /* anything 10 and over uses the bmac */
  3944. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3945. if (link_10g_plus) {
  3946. if (USES_WARPCORE(bp))
  3947. vars->mac_type = MAC_TYPE_XMAC;
  3948. else
  3949. vars->mac_type = MAC_TYPE_BMAC;
  3950. } else {
  3951. if (USES_WARPCORE(bp))
  3952. vars->mac_type = MAC_TYPE_UMAC;
  3953. else
  3954. vars->mac_type = MAC_TYPE_EMAC;
  3955. }
  3956. } else { /* link down */
  3957. DP(NETIF_MSG_LINK, "phy link down\n");
  3958. vars->phy_link_up = 0;
  3959. vars->line_speed = 0;
  3960. vars->duplex = DUPLEX_FULL;
  3961. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3962. /* indicate no mac active */
  3963. vars->mac_type = MAC_TYPE_NONE;
  3964. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3965. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3966. }
  3967. /* Sync media type */
  3968. sync_offset = params->shmem_base +
  3969. offsetof(struct shmem_region,
  3970. dev_info.port_hw_config[port].media_type);
  3971. media_types = REG_RD(bp, sync_offset);
  3972. params->phy[INT_PHY].media_type =
  3973. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3974. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3975. params->phy[EXT_PHY1].media_type =
  3976. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3977. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3978. params->phy[EXT_PHY2].media_type =
  3979. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3980. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3981. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3982. /* Sync AEU offset */
  3983. sync_offset = params->shmem_base +
  3984. offsetof(struct shmem_region,
  3985. dev_info.port_hw_config[port].aeu_int_mask);
  3986. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3987. /* Sync PFC status */
  3988. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3989. params->feature_config_flags |=
  3990. FEATURE_CONFIG_PFC_ENABLED;
  3991. else
  3992. params->feature_config_flags &=
  3993. ~FEATURE_CONFIG_PFC_ENABLED;
  3994. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3995. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3996. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3997. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3998. }
  3999. static void bnx2x_set_master_ln(struct link_params *params,
  4000. struct bnx2x_phy *phy)
  4001. {
  4002. struct bnx2x *bp = params->bp;
  4003. u16 new_master_ln, ser_lane;
  4004. ser_lane = ((params->lane_config &
  4005. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4006. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4007. /* set the master_ln for AN */
  4008. CL22_RD_OVER_CL45(bp, phy,
  4009. MDIO_REG_BANK_XGXS_BLOCK2,
  4010. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4011. &new_master_ln);
  4012. CL22_WR_OVER_CL45(bp, phy,
  4013. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4014. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4015. (new_master_ln | ser_lane));
  4016. }
  4017. static int bnx2x_reset_unicore(struct link_params *params,
  4018. struct bnx2x_phy *phy,
  4019. u8 set_serdes)
  4020. {
  4021. struct bnx2x *bp = params->bp;
  4022. u16 mii_control;
  4023. u16 i;
  4024. CL22_RD_OVER_CL45(bp, phy,
  4025. MDIO_REG_BANK_COMBO_IEEE0,
  4026. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4027. /* reset the unicore */
  4028. CL22_WR_OVER_CL45(bp, phy,
  4029. MDIO_REG_BANK_COMBO_IEEE0,
  4030. MDIO_COMBO_IEEE0_MII_CONTROL,
  4031. (mii_control |
  4032. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4033. if (set_serdes)
  4034. bnx2x_set_serdes_access(bp, params->port);
  4035. /* wait for the reset to self clear */
  4036. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4037. udelay(5);
  4038. /* the reset erased the previous bank value */
  4039. CL22_RD_OVER_CL45(bp, phy,
  4040. MDIO_REG_BANK_COMBO_IEEE0,
  4041. MDIO_COMBO_IEEE0_MII_CONTROL,
  4042. &mii_control);
  4043. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4044. udelay(5);
  4045. return 0;
  4046. }
  4047. }
  4048. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4049. " Port %d\n",
  4050. params->port);
  4051. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4052. return -EINVAL;
  4053. }
  4054. static void bnx2x_set_swap_lanes(struct link_params *params,
  4055. struct bnx2x_phy *phy)
  4056. {
  4057. struct bnx2x *bp = params->bp;
  4058. /*
  4059. * Each two bits represents a lane number:
  4060. * No swap is 0123 => 0x1b no need to enable the swap
  4061. */
  4062. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  4063. ser_lane = ((params->lane_config &
  4064. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4065. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4066. rx_lane_swap = ((params->lane_config &
  4067. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4068. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4069. tx_lane_swap = ((params->lane_config &
  4070. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4071. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4072. if (rx_lane_swap != 0x1b) {
  4073. CL22_WR_OVER_CL45(bp, phy,
  4074. MDIO_REG_BANK_XGXS_BLOCK2,
  4075. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4076. (rx_lane_swap |
  4077. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4078. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4079. } else {
  4080. CL22_WR_OVER_CL45(bp, phy,
  4081. MDIO_REG_BANK_XGXS_BLOCK2,
  4082. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4083. }
  4084. if (tx_lane_swap != 0x1b) {
  4085. CL22_WR_OVER_CL45(bp, phy,
  4086. MDIO_REG_BANK_XGXS_BLOCK2,
  4087. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4088. (tx_lane_swap |
  4089. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4090. } else {
  4091. CL22_WR_OVER_CL45(bp, phy,
  4092. MDIO_REG_BANK_XGXS_BLOCK2,
  4093. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4094. }
  4095. }
  4096. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4097. struct link_params *params)
  4098. {
  4099. struct bnx2x *bp = params->bp;
  4100. u16 control2;
  4101. CL22_RD_OVER_CL45(bp, phy,
  4102. MDIO_REG_BANK_SERDES_DIGITAL,
  4103. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4104. &control2);
  4105. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4106. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4107. else
  4108. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4109. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4110. phy->speed_cap_mask, control2);
  4111. CL22_WR_OVER_CL45(bp, phy,
  4112. MDIO_REG_BANK_SERDES_DIGITAL,
  4113. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4114. control2);
  4115. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4116. (phy->speed_cap_mask &
  4117. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4118. DP(NETIF_MSG_LINK, "XGXS\n");
  4119. CL22_WR_OVER_CL45(bp, phy,
  4120. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4121. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4122. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4123. CL22_RD_OVER_CL45(bp, phy,
  4124. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4125. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4126. &control2);
  4127. control2 |=
  4128. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4129. CL22_WR_OVER_CL45(bp, phy,
  4130. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4131. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4132. control2);
  4133. /* Disable parallel detection of HiG */
  4134. CL22_WR_OVER_CL45(bp, phy,
  4135. MDIO_REG_BANK_XGXS_BLOCK2,
  4136. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4137. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4138. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4139. }
  4140. }
  4141. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4142. struct link_params *params,
  4143. struct link_vars *vars,
  4144. u8 enable_cl73)
  4145. {
  4146. struct bnx2x *bp = params->bp;
  4147. u16 reg_val;
  4148. /* CL37 Autoneg */
  4149. CL22_RD_OVER_CL45(bp, phy,
  4150. MDIO_REG_BANK_COMBO_IEEE0,
  4151. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4152. /* CL37 Autoneg Enabled */
  4153. if (vars->line_speed == SPEED_AUTO_NEG)
  4154. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4155. else /* CL37 Autoneg Disabled */
  4156. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4157. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4158. CL22_WR_OVER_CL45(bp, phy,
  4159. MDIO_REG_BANK_COMBO_IEEE0,
  4160. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4161. /* Enable/Disable Autodetection */
  4162. CL22_RD_OVER_CL45(bp, phy,
  4163. MDIO_REG_BANK_SERDES_DIGITAL,
  4164. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4165. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4166. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4167. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4168. if (vars->line_speed == SPEED_AUTO_NEG)
  4169. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4170. else
  4171. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4172. CL22_WR_OVER_CL45(bp, phy,
  4173. MDIO_REG_BANK_SERDES_DIGITAL,
  4174. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4175. /* Enable TetonII and BAM autoneg */
  4176. CL22_RD_OVER_CL45(bp, phy,
  4177. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4178. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4179. &reg_val);
  4180. if (vars->line_speed == SPEED_AUTO_NEG) {
  4181. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4182. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4183. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4184. } else {
  4185. /* TetonII and BAM Autoneg Disabled */
  4186. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4187. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4188. }
  4189. CL22_WR_OVER_CL45(bp, phy,
  4190. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4191. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4192. reg_val);
  4193. if (enable_cl73) {
  4194. /* Enable Cl73 FSM status bits */
  4195. CL22_WR_OVER_CL45(bp, phy,
  4196. MDIO_REG_BANK_CL73_USERB0,
  4197. MDIO_CL73_USERB0_CL73_UCTRL,
  4198. 0xe);
  4199. /* Enable BAM Station Manager*/
  4200. CL22_WR_OVER_CL45(bp, phy,
  4201. MDIO_REG_BANK_CL73_USERB0,
  4202. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4203. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4204. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4205. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4206. /* Advertise CL73 link speeds */
  4207. CL22_RD_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_CL73_IEEEB1,
  4209. MDIO_CL73_IEEEB1_AN_ADV2,
  4210. &reg_val);
  4211. if (phy->speed_cap_mask &
  4212. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4213. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4214. if (phy->speed_cap_mask &
  4215. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4216. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4217. CL22_WR_OVER_CL45(bp, phy,
  4218. MDIO_REG_BANK_CL73_IEEEB1,
  4219. MDIO_CL73_IEEEB1_AN_ADV2,
  4220. reg_val);
  4221. /* CL73 Autoneg Enabled */
  4222. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4223. } else /* CL73 Autoneg Disabled */
  4224. reg_val = 0;
  4225. CL22_WR_OVER_CL45(bp, phy,
  4226. MDIO_REG_BANK_CL73_IEEEB0,
  4227. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4228. }
  4229. /* program SerDes, forced speed */
  4230. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4231. struct link_params *params,
  4232. struct link_vars *vars)
  4233. {
  4234. struct bnx2x *bp = params->bp;
  4235. u16 reg_val;
  4236. /* program duplex, disable autoneg and sgmii*/
  4237. CL22_RD_OVER_CL45(bp, phy,
  4238. MDIO_REG_BANK_COMBO_IEEE0,
  4239. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4240. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4241. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4242. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4243. if (phy->req_duplex == DUPLEX_FULL)
  4244. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4245. CL22_WR_OVER_CL45(bp, phy,
  4246. MDIO_REG_BANK_COMBO_IEEE0,
  4247. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4248. /*
  4249. * program speed
  4250. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4251. */
  4252. CL22_RD_OVER_CL45(bp, phy,
  4253. MDIO_REG_BANK_SERDES_DIGITAL,
  4254. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4255. /* clearing the speed value before setting the right speed */
  4256. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4257. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4258. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4259. if (!((vars->line_speed == SPEED_1000) ||
  4260. (vars->line_speed == SPEED_100) ||
  4261. (vars->line_speed == SPEED_10))) {
  4262. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4263. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4264. if (vars->line_speed == SPEED_10000)
  4265. reg_val |=
  4266. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4267. }
  4268. CL22_WR_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_SERDES_DIGITAL,
  4270. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4271. }
  4272. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4273. struct link_params *params)
  4274. {
  4275. struct bnx2x *bp = params->bp;
  4276. u16 val = 0;
  4277. /* configure the 48 bits for BAM AN */
  4278. /* set extended capabilities */
  4279. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4280. val |= MDIO_OVER_1G_UP1_2_5G;
  4281. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4282. val |= MDIO_OVER_1G_UP1_10G;
  4283. CL22_WR_OVER_CL45(bp, phy,
  4284. MDIO_REG_BANK_OVER_1G,
  4285. MDIO_OVER_1G_UP1, val);
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_OVER_1G,
  4288. MDIO_OVER_1G_UP3, 0x400);
  4289. }
  4290. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4291. struct link_params *params,
  4292. u16 ieee_fc)
  4293. {
  4294. struct bnx2x *bp = params->bp;
  4295. u16 val;
  4296. /* for AN, we are always publishing full duplex */
  4297. CL22_WR_OVER_CL45(bp, phy,
  4298. MDIO_REG_BANK_COMBO_IEEE0,
  4299. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4300. CL22_RD_OVER_CL45(bp, phy,
  4301. MDIO_REG_BANK_CL73_IEEEB1,
  4302. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4303. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4304. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4305. CL22_WR_OVER_CL45(bp, phy,
  4306. MDIO_REG_BANK_CL73_IEEEB1,
  4307. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4308. }
  4309. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4310. struct link_params *params,
  4311. u8 enable_cl73)
  4312. {
  4313. struct bnx2x *bp = params->bp;
  4314. u16 mii_control;
  4315. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4316. /* Enable and restart BAM/CL37 aneg */
  4317. if (enable_cl73) {
  4318. CL22_RD_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_CL73_IEEEB0,
  4320. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4321. &mii_control);
  4322. CL22_WR_OVER_CL45(bp, phy,
  4323. MDIO_REG_BANK_CL73_IEEEB0,
  4324. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4325. (mii_control |
  4326. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4327. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4328. } else {
  4329. CL22_RD_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_COMBO_IEEE0,
  4331. MDIO_COMBO_IEEE0_MII_CONTROL,
  4332. &mii_control);
  4333. DP(NETIF_MSG_LINK,
  4334. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4335. mii_control);
  4336. CL22_WR_OVER_CL45(bp, phy,
  4337. MDIO_REG_BANK_COMBO_IEEE0,
  4338. MDIO_COMBO_IEEE0_MII_CONTROL,
  4339. (mii_control |
  4340. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4341. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4342. }
  4343. }
  4344. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4345. struct link_params *params,
  4346. struct link_vars *vars)
  4347. {
  4348. struct bnx2x *bp = params->bp;
  4349. u16 control1;
  4350. /* in SGMII mode, the unicore is always slave */
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_SERDES_DIGITAL,
  4353. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4354. &control1);
  4355. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4356. /* set sgmii mode (and not fiber) */
  4357. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4358. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4359. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4360. CL22_WR_OVER_CL45(bp, phy,
  4361. MDIO_REG_BANK_SERDES_DIGITAL,
  4362. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4363. control1);
  4364. /* if forced speed */
  4365. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4366. /* set speed, disable autoneg */
  4367. u16 mii_control;
  4368. CL22_RD_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_COMBO_IEEE0,
  4370. MDIO_COMBO_IEEE0_MII_CONTROL,
  4371. &mii_control);
  4372. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4373. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4374. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4375. switch (vars->line_speed) {
  4376. case SPEED_100:
  4377. mii_control |=
  4378. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4379. break;
  4380. case SPEED_1000:
  4381. mii_control |=
  4382. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4383. break;
  4384. case SPEED_10:
  4385. /* there is nothing to set for 10M */
  4386. break;
  4387. default:
  4388. /* invalid speed for SGMII */
  4389. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4390. vars->line_speed);
  4391. break;
  4392. }
  4393. /* setting the full duplex */
  4394. if (phy->req_duplex == DUPLEX_FULL)
  4395. mii_control |=
  4396. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4397. CL22_WR_OVER_CL45(bp, phy,
  4398. MDIO_REG_BANK_COMBO_IEEE0,
  4399. MDIO_COMBO_IEEE0_MII_CONTROL,
  4400. mii_control);
  4401. } else { /* AN mode */
  4402. /* enable and restart AN */
  4403. bnx2x_restart_autoneg(phy, params, 0);
  4404. }
  4405. }
  4406. /*
  4407. * link management
  4408. */
  4409. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4410. struct link_params *params)
  4411. {
  4412. struct bnx2x *bp = params->bp;
  4413. u16 pd_10g, status2_1000x;
  4414. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4415. return 0;
  4416. CL22_RD_OVER_CL45(bp, phy,
  4417. MDIO_REG_BANK_SERDES_DIGITAL,
  4418. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4419. &status2_1000x);
  4420. CL22_RD_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_SERDES_DIGITAL,
  4422. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4423. &status2_1000x);
  4424. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4425. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4426. params->port);
  4427. return 1;
  4428. }
  4429. CL22_RD_OVER_CL45(bp, phy,
  4430. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4431. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4432. &pd_10g);
  4433. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4434. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4435. params->port);
  4436. return 1;
  4437. }
  4438. return 0;
  4439. }
  4440. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4441. struct link_params *params,
  4442. struct link_vars *vars,
  4443. u32 gp_status)
  4444. {
  4445. struct bnx2x *bp = params->bp;
  4446. u16 ld_pause; /* local driver */
  4447. u16 lp_pause; /* link partner */
  4448. u16 pause_result;
  4449. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4450. /* resolve from gp_status in case of AN complete and not sgmii */
  4451. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4452. vars->flow_ctrl = phy->req_flow_ctrl;
  4453. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4454. vars->flow_ctrl = params->req_fc_auto_adv;
  4455. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4456. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4457. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4458. vars->flow_ctrl = params->req_fc_auto_adv;
  4459. return;
  4460. }
  4461. if ((gp_status &
  4462. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4463. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4464. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4465. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4466. CL22_RD_OVER_CL45(bp, phy,
  4467. MDIO_REG_BANK_CL73_IEEEB1,
  4468. MDIO_CL73_IEEEB1_AN_ADV1,
  4469. &ld_pause);
  4470. CL22_RD_OVER_CL45(bp, phy,
  4471. MDIO_REG_BANK_CL73_IEEEB1,
  4472. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4473. &lp_pause);
  4474. pause_result = (ld_pause &
  4475. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4476. >> 8;
  4477. pause_result |= (lp_pause &
  4478. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4479. >> 10;
  4480. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4481. pause_result);
  4482. } else {
  4483. CL22_RD_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_COMBO_IEEE0,
  4485. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4486. &ld_pause);
  4487. CL22_RD_OVER_CL45(bp, phy,
  4488. MDIO_REG_BANK_COMBO_IEEE0,
  4489. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4490. &lp_pause);
  4491. pause_result = (ld_pause &
  4492. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4493. pause_result |= (lp_pause &
  4494. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4495. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4496. pause_result);
  4497. }
  4498. bnx2x_pause_resolve(vars, pause_result);
  4499. }
  4500. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4501. }
  4502. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4503. struct link_params *params)
  4504. {
  4505. struct bnx2x *bp = params->bp;
  4506. u16 rx_status, ustat_val, cl37_fsm_received;
  4507. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4508. /* Step 1: Make sure signal is detected */
  4509. CL22_RD_OVER_CL45(bp, phy,
  4510. MDIO_REG_BANK_RX0,
  4511. MDIO_RX0_RX_STATUS,
  4512. &rx_status);
  4513. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4514. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4515. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4516. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4517. CL22_WR_OVER_CL45(bp, phy,
  4518. MDIO_REG_BANK_CL73_IEEEB0,
  4519. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4520. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4521. return;
  4522. }
  4523. /* Step 2: Check CL73 state machine */
  4524. CL22_RD_OVER_CL45(bp, phy,
  4525. MDIO_REG_BANK_CL73_USERB0,
  4526. MDIO_CL73_USERB0_CL73_USTAT1,
  4527. &ustat_val);
  4528. if ((ustat_val &
  4529. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4530. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4531. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4532. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4533. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4534. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4535. return;
  4536. }
  4537. /*
  4538. * Step 3: Check CL37 Message Pages received to indicate LP
  4539. * supports only CL37
  4540. */
  4541. CL22_RD_OVER_CL45(bp, phy,
  4542. MDIO_REG_BANK_REMOTE_PHY,
  4543. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4544. &cl37_fsm_received);
  4545. if ((cl37_fsm_received &
  4546. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4547. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4548. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4549. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4550. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4551. "misc_rx_status(0x8330) = 0x%x\n",
  4552. cl37_fsm_received);
  4553. return;
  4554. }
  4555. /*
  4556. * The combined cl37/cl73 fsm state information indicating that
  4557. * we are connected to a device which does not support cl73, but
  4558. * does support cl37 BAM. In this case we disable cl73 and
  4559. * restart cl37 auto-neg
  4560. */
  4561. /* Disable CL73 */
  4562. CL22_WR_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_CL73_IEEEB0,
  4564. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4565. 0);
  4566. /* Restart CL37 autoneg */
  4567. bnx2x_restart_autoneg(phy, params, 0);
  4568. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4569. }
  4570. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4571. struct link_params *params,
  4572. struct link_vars *vars,
  4573. u32 gp_status)
  4574. {
  4575. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4576. vars->link_status |=
  4577. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4578. if (bnx2x_direct_parallel_detect_used(phy, params))
  4579. vars->link_status |=
  4580. LINK_STATUS_PARALLEL_DETECTION_USED;
  4581. }
  4582. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4583. struct link_params *params,
  4584. struct link_vars *vars,
  4585. u16 is_link_up,
  4586. u16 speed_mask,
  4587. u16 is_duplex)
  4588. {
  4589. struct bnx2x *bp = params->bp;
  4590. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4591. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4592. if (is_link_up) {
  4593. DP(NETIF_MSG_LINK, "phy link up\n");
  4594. vars->phy_link_up = 1;
  4595. vars->link_status |= LINK_STATUS_LINK_UP;
  4596. switch (speed_mask) {
  4597. case GP_STATUS_10M:
  4598. vars->line_speed = SPEED_10;
  4599. if (vars->duplex == DUPLEX_FULL)
  4600. vars->link_status |= LINK_10TFD;
  4601. else
  4602. vars->link_status |= LINK_10THD;
  4603. break;
  4604. case GP_STATUS_100M:
  4605. vars->line_speed = SPEED_100;
  4606. if (vars->duplex == DUPLEX_FULL)
  4607. vars->link_status |= LINK_100TXFD;
  4608. else
  4609. vars->link_status |= LINK_100TXHD;
  4610. break;
  4611. case GP_STATUS_1G:
  4612. case GP_STATUS_1G_KX:
  4613. vars->line_speed = SPEED_1000;
  4614. if (vars->duplex == DUPLEX_FULL)
  4615. vars->link_status |= LINK_1000TFD;
  4616. else
  4617. vars->link_status |= LINK_1000THD;
  4618. break;
  4619. case GP_STATUS_2_5G:
  4620. vars->line_speed = SPEED_2500;
  4621. if (vars->duplex == DUPLEX_FULL)
  4622. vars->link_status |= LINK_2500TFD;
  4623. else
  4624. vars->link_status |= LINK_2500THD;
  4625. break;
  4626. case GP_STATUS_5G:
  4627. case GP_STATUS_6G:
  4628. DP(NETIF_MSG_LINK,
  4629. "link speed unsupported gp_status 0x%x\n",
  4630. speed_mask);
  4631. return -EINVAL;
  4632. case GP_STATUS_10G_KX4:
  4633. case GP_STATUS_10G_HIG:
  4634. case GP_STATUS_10G_CX4:
  4635. case GP_STATUS_10G_KR:
  4636. case GP_STATUS_10G_SFI:
  4637. case GP_STATUS_10G_XFI:
  4638. vars->line_speed = SPEED_10000;
  4639. vars->link_status |= LINK_10GTFD;
  4640. break;
  4641. case GP_STATUS_20G_DXGXS:
  4642. vars->line_speed = SPEED_20000;
  4643. vars->link_status |= LINK_20GTFD;
  4644. break;
  4645. default:
  4646. DP(NETIF_MSG_LINK,
  4647. "link speed unsupported gp_status 0x%x\n",
  4648. speed_mask);
  4649. return -EINVAL;
  4650. }
  4651. } else { /* link_down */
  4652. DP(NETIF_MSG_LINK, "phy link down\n");
  4653. vars->phy_link_up = 0;
  4654. vars->duplex = DUPLEX_FULL;
  4655. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4656. vars->mac_type = MAC_TYPE_NONE;
  4657. }
  4658. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4659. vars->phy_link_up, vars->line_speed);
  4660. return 0;
  4661. }
  4662. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4663. struct link_params *params,
  4664. struct link_vars *vars)
  4665. {
  4666. struct bnx2x *bp = params->bp;
  4667. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4668. int rc = 0;
  4669. /* Read gp_status */
  4670. CL22_RD_OVER_CL45(bp, phy,
  4671. MDIO_REG_BANK_GP_STATUS,
  4672. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4673. &gp_status);
  4674. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4675. duplex = DUPLEX_FULL;
  4676. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4677. link_up = 1;
  4678. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4679. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4680. gp_status, link_up, speed_mask);
  4681. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4682. duplex);
  4683. if (rc == -EINVAL)
  4684. return rc;
  4685. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4686. if (SINGLE_MEDIA_DIRECT(params)) {
  4687. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4688. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4689. bnx2x_xgxs_an_resolve(phy, params, vars,
  4690. gp_status);
  4691. }
  4692. } else { /* link_down */
  4693. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4694. SINGLE_MEDIA_DIRECT(params)) {
  4695. /* Check signal is detected */
  4696. bnx2x_check_fallback_to_cl37(phy, params);
  4697. }
  4698. }
  4699. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4700. vars->duplex, vars->flow_ctrl, vars->link_status);
  4701. return rc;
  4702. }
  4703. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4704. struct link_params *params,
  4705. struct link_vars *vars)
  4706. {
  4707. struct bnx2x *bp = params->bp;
  4708. u8 lane;
  4709. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4710. int rc = 0;
  4711. lane = bnx2x_get_warpcore_lane(phy, params);
  4712. /* Read gp_status */
  4713. if (phy->req_line_speed > SPEED_10000) {
  4714. u16 temp_link_up;
  4715. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4716. 1, &temp_link_up);
  4717. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4718. 1, &link_up);
  4719. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4720. temp_link_up, link_up);
  4721. link_up &= (1<<2);
  4722. if (link_up)
  4723. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4724. } else {
  4725. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4726. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4727. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4728. /* Check for either KR or generic link up. */
  4729. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4730. ((gp_status1 >> 12) & 0xf);
  4731. link_up = gp_status1 & (1 << lane);
  4732. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4733. u16 pd, gp_status4;
  4734. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4735. /* Check Autoneg complete */
  4736. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4737. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4738. &gp_status4);
  4739. if (gp_status4 & ((1<<12)<<lane))
  4740. vars->link_status |=
  4741. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4742. /* Check parallel detect used */
  4743. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4744. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4745. &pd);
  4746. if (pd & (1<<15))
  4747. vars->link_status |=
  4748. LINK_STATUS_PARALLEL_DETECTION_USED;
  4749. }
  4750. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4751. }
  4752. }
  4753. if (lane < 2) {
  4754. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4755. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4756. } else {
  4757. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4758. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4759. }
  4760. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4761. if ((lane & 1) == 0)
  4762. gp_speed <<= 8;
  4763. gp_speed &= 0x3f00;
  4764. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4765. duplex);
  4766. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4767. vars->duplex, vars->flow_ctrl, vars->link_status);
  4768. return rc;
  4769. }
  4770. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4771. {
  4772. struct bnx2x *bp = params->bp;
  4773. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4774. u16 lp_up2;
  4775. u16 tx_driver;
  4776. u16 bank;
  4777. /* read precomp */
  4778. CL22_RD_OVER_CL45(bp, phy,
  4779. MDIO_REG_BANK_OVER_1G,
  4780. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4781. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4782. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4783. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4784. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4785. if (lp_up2 == 0)
  4786. return;
  4787. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4788. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4789. CL22_RD_OVER_CL45(bp, phy,
  4790. bank,
  4791. MDIO_TX0_TX_DRIVER, &tx_driver);
  4792. /* replace tx_driver bits [15:12] */
  4793. if (lp_up2 !=
  4794. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4795. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4796. tx_driver |= lp_up2;
  4797. CL22_WR_OVER_CL45(bp, phy,
  4798. bank,
  4799. MDIO_TX0_TX_DRIVER, tx_driver);
  4800. }
  4801. }
  4802. }
  4803. static int bnx2x_emac_program(struct link_params *params,
  4804. struct link_vars *vars)
  4805. {
  4806. struct bnx2x *bp = params->bp;
  4807. u8 port = params->port;
  4808. u16 mode = 0;
  4809. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4810. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4811. EMAC_REG_EMAC_MODE,
  4812. (EMAC_MODE_25G_MODE |
  4813. EMAC_MODE_PORT_MII_10M |
  4814. EMAC_MODE_HALF_DUPLEX));
  4815. switch (vars->line_speed) {
  4816. case SPEED_10:
  4817. mode |= EMAC_MODE_PORT_MII_10M;
  4818. break;
  4819. case SPEED_100:
  4820. mode |= EMAC_MODE_PORT_MII;
  4821. break;
  4822. case SPEED_1000:
  4823. mode |= EMAC_MODE_PORT_GMII;
  4824. break;
  4825. case SPEED_2500:
  4826. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4827. break;
  4828. default:
  4829. /* 10G not valid for EMAC */
  4830. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4831. vars->line_speed);
  4832. return -EINVAL;
  4833. }
  4834. if (vars->duplex == DUPLEX_HALF)
  4835. mode |= EMAC_MODE_HALF_DUPLEX;
  4836. bnx2x_bits_en(bp,
  4837. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4838. mode);
  4839. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4840. return 0;
  4841. }
  4842. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4843. struct link_params *params)
  4844. {
  4845. u16 bank, i = 0;
  4846. struct bnx2x *bp = params->bp;
  4847. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4848. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4849. CL22_WR_OVER_CL45(bp, phy,
  4850. bank,
  4851. MDIO_RX0_RX_EQ_BOOST,
  4852. phy->rx_preemphasis[i]);
  4853. }
  4854. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4855. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4856. CL22_WR_OVER_CL45(bp, phy,
  4857. bank,
  4858. MDIO_TX0_TX_DRIVER,
  4859. phy->tx_preemphasis[i]);
  4860. }
  4861. }
  4862. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4863. struct link_params *params,
  4864. struct link_vars *vars)
  4865. {
  4866. struct bnx2x *bp = params->bp;
  4867. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4868. (params->loopback_mode == LOOPBACK_XGXS));
  4869. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4870. if (SINGLE_MEDIA_DIRECT(params) &&
  4871. (params->feature_config_flags &
  4872. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4873. bnx2x_set_preemphasis(phy, params);
  4874. /* forced speed requested? */
  4875. if (vars->line_speed != SPEED_AUTO_NEG ||
  4876. (SINGLE_MEDIA_DIRECT(params) &&
  4877. params->loopback_mode == LOOPBACK_EXT)) {
  4878. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4879. /* disable autoneg */
  4880. bnx2x_set_autoneg(phy, params, vars, 0);
  4881. /* program speed and duplex */
  4882. bnx2x_program_serdes(phy, params, vars);
  4883. } else { /* AN_mode */
  4884. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4885. /* AN enabled */
  4886. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4887. /* program duplex & pause advertisement (for aneg) */
  4888. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4889. vars->ieee_fc);
  4890. /* enable autoneg */
  4891. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4892. /* enable and restart AN */
  4893. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4894. }
  4895. } else { /* SGMII mode */
  4896. DP(NETIF_MSG_LINK, "SGMII\n");
  4897. bnx2x_initialize_sgmii_process(phy, params, vars);
  4898. }
  4899. }
  4900. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4901. struct link_params *params,
  4902. struct link_vars *vars)
  4903. {
  4904. int rc;
  4905. vars->phy_flags |= PHY_XGXS_FLAG;
  4906. if ((phy->req_line_speed &&
  4907. ((phy->req_line_speed == SPEED_100) ||
  4908. (phy->req_line_speed == SPEED_10))) ||
  4909. (!phy->req_line_speed &&
  4910. (phy->speed_cap_mask >=
  4911. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4912. (phy->speed_cap_mask <
  4913. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4914. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4915. vars->phy_flags |= PHY_SGMII_FLAG;
  4916. else
  4917. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4918. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4919. bnx2x_set_aer_mmd(params, phy);
  4920. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4921. bnx2x_set_master_ln(params, phy);
  4922. rc = bnx2x_reset_unicore(params, phy, 0);
  4923. /* reset the SerDes and wait for reset bit return low */
  4924. if (rc != 0)
  4925. return rc;
  4926. bnx2x_set_aer_mmd(params, phy);
  4927. /* setting the masterLn_def again after the reset */
  4928. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4929. bnx2x_set_master_ln(params, phy);
  4930. bnx2x_set_swap_lanes(params, phy);
  4931. }
  4932. return rc;
  4933. }
  4934. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4935. struct bnx2x_phy *phy,
  4936. struct link_params *params)
  4937. {
  4938. u16 cnt, ctrl;
  4939. /* Wait for soft reset to get cleared up to 1 sec */
  4940. for (cnt = 0; cnt < 1000; cnt++) {
  4941. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4942. bnx2x_cl22_read(bp, phy,
  4943. MDIO_PMA_REG_CTRL, &ctrl);
  4944. else
  4945. bnx2x_cl45_read(bp, phy,
  4946. MDIO_PMA_DEVAD,
  4947. MDIO_PMA_REG_CTRL, &ctrl);
  4948. if (!(ctrl & (1<<15)))
  4949. break;
  4950. msleep(1);
  4951. }
  4952. if (cnt == 1000)
  4953. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4954. " Port %d\n",
  4955. params->port);
  4956. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4957. return cnt;
  4958. }
  4959. static void bnx2x_link_int_enable(struct link_params *params)
  4960. {
  4961. u8 port = params->port;
  4962. u32 mask;
  4963. struct bnx2x *bp = params->bp;
  4964. /* Setting the status to report on link up for either XGXS or SerDes */
  4965. if (CHIP_IS_E3(bp)) {
  4966. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4967. if (!(SINGLE_MEDIA_DIRECT(params)))
  4968. mask |= NIG_MASK_MI_INT;
  4969. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4970. mask = (NIG_MASK_XGXS0_LINK10G |
  4971. NIG_MASK_XGXS0_LINK_STATUS);
  4972. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4973. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4974. params->phy[INT_PHY].type !=
  4975. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4976. mask |= NIG_MASK_MI_INT;
  4977. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4978. }
  4979. } else { /* SerDes */
  4980. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4981. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4982. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4983. params->phy[INT_PHY].type !=
  4984. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4985. mask |= NIG_MASK_MI_INT;
  4986. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4987. }
  4988. }
  4989. bnx2x_bits_en(bp,
  4990. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4991. mask);
  4992. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4993. (params->switch_cfg == SWITCH_CFG_10G),
  4994. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4995. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4996. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4997. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4998. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4999. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5000. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5001. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5002. }
  5003. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5004. u8 exp_mi_int)
  5005. {
  5006. u32 latch_status = 0;
  5007. /*
  5008. * Disable the MI INT ( external phy int ) by writing 1 to the
  5009. * status register. Link down indication is high-active-signal,
  5010. * so in this case we need to write the status to clear the XOR
  5011. */
  5012. /* Read Latched signals */
  5013. latch_status = REG_RD(bp,
  5014. NIG_REG_LATCH_STATUS_0 + port*8);
  5015. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5016. /* Handle only those with latched-signal=up.*/
  5017. if (exp_mi_int)
  5018. bnx2x_bits_en(bp,
  5019. NIG_REG_STATUS_INTERRUPT_PORT0
  5020. + port*4,
  5021. NIG_STATUS_EMAC0_MI_INT);
  5022. else
  5023. bnx2x_bits_dis(bp,
  5024. NIG_REG_STATUS_INTERRUPT_PORT0
  5025. + port*4,
  5026. NIG_STATUS_EMAC0_MI_INT);
  5027. if (latch_status & 1) {
  5028. /* For all latched-signal=up : Re-Arm Latch signals */
  5029. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5030. (latch_status & 0xfffe) | (latch_status & 1));
  5031. }
  5032. /* For all latched-signal=up,Write original_signal to status */
  5033. }
  5034. static void bnx2x_link_int_ack(struct link_params *params,
  5035. struct link_vars *vars, u8 is_10g_plus)
  5036. {
  5037. struct bnx2x *bp = params->bp;
  5038. u8 port = params->port;
  5039. u32 mask;
  5040. /*
  5041. * First reset all status we assume only one line will be
  5042. * change at a time
  5043. */
  5044. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5045. (NIG_STATUS_XGXS0_LINK10G |
  5046. NIG_STATUS_XGXS0_LINK_STATUS |
  5047. NIG_STATUS_SERDES0_LINK_STATUS));
  5048. if (vars->phy_link_up) {
  5049. if (USES_WARPCORE(bp))
  5050. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5051. else {
  5052. if (is_10g_plus)
  5053. mask = NIG_STATUS_XGXS0_LINK10G;
  5054. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5055. /*
  5056. * Disable the link interrupt by writing 1 to
  5057. * the relevant lane in the status register
  5058. */
  5059. u32 ser_lane =
  5060. ((params->lane_config &
  5061. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5062. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5063. mask = ((1 << ser_lane) <<
  5064. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5065. } else
  5066. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5067. }
  5068. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5069. mask);
  5070. bnx2x_bits_en(bp,
  5071. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5072. mask);
  5073. }
  5074. }
  5075. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5076. {
  5077. u8 *str_ptr = str;
  5078. u32 mask = 0xf0000000;
  5079. u8 shift = 8*4;
  5080. u8 digit;
  5081. u8 remove_leading_zeros = 1;
  5082. if (*len < 10) {
  5083. /* Need more than 10chars for this format */
  5084. *str_ptr = '\0';
  5085. (*len)--;
  5086. return -EINVAL;
  5087. }
  5088. while (shift > 0) {
  5089. shift -= 4;
  5090. digit = ((num & mask) >> shift);
  5091. if (digit == 0 && remove_leading_zeros) {
  5092. mask = mask >> 4;
  5093. continue;
  5094. } else if (digit < 0xa)
  5095. *str_ptr = digit + '0';
  5096. else
  5097. *str_ptr = digit - 0xa + 'a';
  5098. remove_leading_zeros = 0;
  5099. str_ptr++;
  5100. (*len)--;
  5101. mask = mask >> 4;
  5102. if (shift == 4*4) {
  5103. *str_ptr = '.';
  5104. str_ptr++;
  5105. (*len)--;
  5106. remove_leading_zeros = 1;
  5107. }
  5108. }
  5109. return 0;
  5110. }
  5111. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5112. {
  5113. str[0] = '\0';
  5114. (*len)--;
  5115. return 0;
  5116. }
  5117. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5118. u8 *version, u16 len)
  5119. {
  5120. struct bnx2x *bp;
  5121. u32 spirom_ver = 0;
  5122. int status = 0;
  5123. u8 *ver_p = version;
  5124. u16 remain_len = len;
  5125. if (version == NULL || params == NULL)
  5126. return -EINVAL;
  5127. bp = params->bp;
  5128. /* Extract first external phy*/
  5129. version[0] = '\0';
  5130. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5131. if (params->phy[EXT_PHY1].format_fw_ver) {
  5132. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5133. ver_p,
  5134. &remain_len);
  5135. ver_p += (len - remain_len);
  5136. }
  5137. if ((params->num_phys == MAX_PHYS) &&
  5138. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5139. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5140. if (params->phy[EXT_PHY2].format_fw_ver) {
  5141. *ver_p = '/';
  5142. ver_p++;
  5143. remain_len--;
  5144. status |= params->phy[EXT_PHY2].format_fw_ver(
  5145. spirom_ver,
  5146. ver_p,
  5147. &remain_len);
  5148. ver_p = version + (len - remain_len);
  5149. }
  5150. }
  5151. *ver_p = '\0';
  5152. return status;
  5153. }
  5154. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5155. struct link_params *params)
  5156. {
  5157. u8 port = params->port;
  5158. struct bnx2x *bp = params->bp;
  5159. if (phy->req_line_speed != SPEED_1000) {
  5160. u32 md_devad = 0;
  5161. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5162. if (!CHIP_IS_E3(bp)) {
  5163. /* change the uni_phy_addr in the nig */
  5164. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5165. port*0x18));
  5166. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5167. 0x5);
  5168. }
  5169. bnx2x_cl45_write(bp, phy,
  5170. 5,
  5171. (MDIO_REG_BANK_AER_BLOCK +
  5172. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5173. 0x2800);
  5174. bnx2x_cl45_write(bp, phy,
  5175. 5,
  5176. (MDIO_REG_BANK_CL73_IEEEB0 +
  5177. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5178. 0x6041);
  5179. msleep(200);
  5180. /* set aer mmd back */
  5181. bnx2x_set_aer_mmd(params, phy);
  5182. if (!CHIP_IS_E3(bp)) {
  5183. /* and md_devad */
  5184. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5185. md_devad);
  5186. }
  5187. } else {
  5188. u16 mii_ctrl;
  5189. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5190. bnx2x_cl45_read(bp, phy, 5,
  5191. (MDIO_REG_BANK_COMBO_IEEE0 +
  5192. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5193. &mii_ctrl);
  5194. bnx2x_cl45_write(bp, phy, 5,
  5195. (MDIO_REG_BANK_COMBO_IEEE0 +
  5196. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5197. mii_ctrl |
  5198. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5199. }
  5200. }
  5201. int bnx2x_set_led(struct link_params *params,
  5202. struct link_vars *vars, u8 mode, u32 speed)
  5203. {
  5204. u8 port = params->port;
  5205. u16 hw_led_mode = params->hw_led_mode;
  5206. int rc = 0;
  5207. u8 phy_idx;
  5208. u32 tmp;
  5209. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5210. struct bnx2x *bp = params->bp;
  5211. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5212. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5213. speed, hw_led_mode);
  5214. /* In case */
  5215. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5216. if (params->phy[phy_idx].set_link_led) {
  5217. params->phy[phy_idx].set_link_led(
  5218. &params->phy[phy_idx], params, mode);
  5219. }
  5220. }
  5221. switch (mode) {
  5222. case LED_MODE_FRONT_PANEL_OFF:
  5223. case LED_MODE_OFF:
  5224. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5225. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5226. SHARED_HW_CFG_LED_MAC1);
  5227. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5228. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5229. break;
  5230. case LED_MODE_OPER:
  5231. /*
  5232. * For all other phys, OPER mode is same as ON, so in case
  5233. * link is down, do nothing
  5234. */
  5235. if (!vars->link_up)
  5236. break;
  5237. case LED_MODE_ON:
  5238. if (((params->phy[EXT_PHY1].type ==
  5239. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5240. (params->phy[EXT_PHY1].type ==
  5241. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5242. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5243. /*
  5244. * This is a work-around for E2+8727 Configurations
  5245. */
  5246. if (mode == LED_MODE_ON ||
  5247. speed == SPEED_10000){
  5248. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5249. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5250. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5251. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5252. (tmp | EMAC_LED_OVERRIDE));
  5253. /*
  5254. * return here without enabling traffic
  5255. * LED blink and setting rate in ON mode.
  5256. * In oper mode, enabling LED blink
  5257. * and setting rate is needed.
  5258. */
  5259. if (mode == LED_MODE_ON)
  5260. return rc;
  5261. }
  5262. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5263. /*
  5264. * This is a work-around for HW issue found when link
  5265. * is up in CL73
  5266. */
  5267. if ((!CHIP_IS_E3(bp)) ||
  5268. (CHIP_IS_E3(bp) &&
  5269. mode == LED_MODE_ON))
  5270. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5271. if (CHIP_IS_E1x(bp) ||
  5272. CHIP_IS_E2(bp) ||
  5273. (mode == LED_MODE_ON))
  5274. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5275. else
  5276. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5277. hw_led_mode);
  5278. } else
  5279. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5280. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5281. /* Set blinking rate to ~15.9Hz */
  5282. if (CHIP_IS_E3(bp))
  5283. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5284. LED_BLINK_RATE_VAL_E3);
  5285. else
  5286. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5287. LED_BLINK_RATE_VAL_E1X_E2);
  5288. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5289. port*4, 1);
  5290. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5291. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5292. if (CHIP_IS_E1(bp) &&
  5293. ((speed == SPEED_2500) ||
  5294. (speed == SPEED_1000) ||
  5295. (speed == SPEED_100) ||
  5296. (speed == SPEED_10))) {
  5297. /*
  5298. * On Everest 1 Ax chip versions for speeds less than
  5299. * 10G LED scheme is different
  5300. */
  5301. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5302. + port*4, 1);
  5303. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5304. port*4, 0);
  5305. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5306. port*4, 1);
  5307. }
  5308. break;
  5309. default:
  5310. rc = -EINVAL;
  5311. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5312. mode);
  5313. break;
  5314. }
  5315. return rc;
  5316. }
  5317. /*
  5318. * This function comes to reflect the actual link state read DIRECTLY from the
  5319. * HW
  5320. */
  5321. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5322. u8 is_serdes)
  5323. {
  5324. struct bnx2x *bp = params->bp;
  5325. u16 gp_status = 0, phy_index = 0;
  5326. u8 ext_phy_link_up = 0, serdes_phy_type;
  5327. struct link_vars temp_vars;
  5328. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5329. if (CHIP_IS_E3(bp)) {
  5330. u16 link_up;
  5331. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5332. > SPEED_10000) {
  5333. /* Check 20G link */
  5334. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5335. 1, &link_up);
  5336. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5337. 1, &link_up);
  5338. link_up &= (1<<2);
  5339. } else {
  5340. /* Check 10G link and below*/
  5341. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5342. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5343. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5344. &gp_status);
  5345. gp_status = ((gp_status >> 8) & 0xf) |
  5346. ((gp_status >> 12) & 0xf);
  5347. link_up = gp_status & (1 << lane);
  5348. }
  5349. if (!link_up)
  5350. return -ESRCH;
  5351. } else {
  5352. CL22_RD_OVER_CL45(bp, int_phy,
  5353. MDIO_REG_BANK_GP_STATUS,
  5354. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5355. &gp_status);
  5356. /* link is up only if both local phy and external phy are up */
  5357. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5358. return -ESRCH;
  5359. }
  5360. /* In XGXS loopback mode, do not check external PHY */
  5361. if (params->loopback_mode == LOOPBACK_XGXS)
  5362. return 0;
  5363. switch (params->num_phys) {
  5364. case 1:
  5365. /* No external PHY */
  5366. return 0;
  5367. case 2:
  5368. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5369. &params->phy[EXT_PHY1],
  5370. params, &temp_vars);
  5371. break;
  5372. case 3: /* Dual Media */
  5373. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5374. phy_index++) {
  5375. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5376. ETH_PHY_SFP_FIBER) ||
  5377. (params->phy[phy_index].media_type ==
  5378. ETH_PHY_XFP_FIBER) ||
  5379. (params->phy[phy_index].media_type ==
  5380. ETH_PHY_DA_TWINAX));
  5381. if (is_serdes != serdes_phy_type)
  5382. continue;
  5383. if (params->phy[phy_index].read_status) {
  5384. ext_phy_link_up |=
  5385. params->phy[phy_index].read_status(
  5386. &params->phy[phy_index],
  5387. params, &temp_vars);
  5388. }
  5389. }
  5390. break;
  5391. }
  5392. if (ext_phy_link_up)
  5393. return 0;
  5394. return -ESRCH;
  5395. }
  5396. static int bnx2x_link_initialize(struct link_params *params,
  5397. struct link_vars *vars)
  5398. {
  5399. int rc = 0;
  5400. u8 phy_index, non_ext_phy;
  5401. struct bnx2x *bp = params->bp;
  5402. /*
  5403. * In case of external phy existence, the line speed would be the
  5404. * line speed linked up by the external phy. In case it is direct
  5405. * only, then the line_speed during initialization will be
  5406. * equal to the req_line_speed
  5407. */
  5408. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5409. /*
  5410. * Initialize the internal phy in case this is a direct board
  5411. * (no external phys), or this board has external phy which requires
  5412. * to first.
  5413. */
  5414. if (!USES_WARPCORE(bp))
  5415. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5416. /* init ext phy and enable link state int */
  5417. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5418. (params->loopback_mode == LOOPBACK_XGXS));
  5419. if (non_ext_phy ||
  5420. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5421. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5422. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5423. if (vars->line_speed == SPEED_AUTO_NEG &&
  5424. (CHIP_IS_E1x(bp) ||
  5425. CHIP_IS_E2(bp)))
  5426. bnx2x_set_parallel_detection(phy, params);
  5427. if (params->phy[INT_PHY].config_init)
  5428. params->phy[INT_PHY].config_init(phy,
  5429. params,
  5430. vars);
  5431. }
  5432. /* Init external phy*/
  5433. if (non_ext_phy) {
  5434. if (params->phy[INT_PHY].supported &
  5435. SUPPORTED_FIBRE)
  5436. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5437. } else {
  5438. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5439. phy_index++) {
  5440. /*
  5441. * No need to initialize second phy in case of first
  5442. * phy only selection. In case of second phy, we do
  5443. * need to initialize the first phy, since they are
  5444. * connected.
  5445. */
  5446. if (params->phy[phy_index].supported &
  5447. SUPPORTED_FIBRE)
  5448. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5449. if (phy_index == EXT_PHY2 &&
  5450. (bnx2x_phy_selection(params) ==
  5451. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5452. DP(NETIF_MSG_LINK,
  5453. "Not initializing second phy\n");
  5454. continue;
  5455. }
  5456. params->phy[phy_index].config_init(
  5457. &params->phy[phy_index],
  5458. params, vars);
  5459. }
  5460. }
  5461. /* Reset the interrupt indication after phy was initialized */
  5462. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5463. params->port*4,
  5464. (NIG_STATUS_XGXS0_LINK10G |
  5465. NIG_STATUS_XGXS0_LINK_STATUS |
  5466. NIG_STATUS_SERDES0_LINK_STATUS |
  5467. NIG_MASK_MI_INT));
  5468. bnx2x_update_mng(params, vars->link_status);
  5469. return rc;
  5470. }
  5471. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5472. struct link_params *params)
  5473. {
  5474. /* reset the SerDes/XGXS */
  5475. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5476. (0x1ff << (params->port*16)));
  5477. }
  5478. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5479. struct link_params *params)
  5480. {
  5481. struct bnx2x *bp = params->bp;
  5482. u8 gpio_port;
  5483. /* HW reset */
  5484. if (CHIP_IS_E2(bp))
  5485. gpio_port = BP_PATH(bp);
  5486. else
  5487. gpio_port = params->port;
  5488. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5489. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5490. gpio_port);
  5491. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5492. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5493. gpio_port);
  5494. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5495. }
  5496. static int bnx2x_update_link_down(struct link_params *params,
  5497. struct link_vars *vars)
  5498. {
  5499. struct bnx2x *bp = params->bp;
  5500. u8 port = params->port;
  5501. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5502. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5503. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5504. /* indicate no mac active */
  5505. vars->mac_type = MAC_TYPE_NONE;
  5506. /* update shared memory */
  5507. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5508. LINK_STATUS_LINK_UP |
  5509. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5510. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5511. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5512. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5513. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5514. vars->line_speed = 0;
  5515. bnx2x_update_mng(params, vars->link_status);
  5516. /* activate nig drain */
  5517. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5518. /* disable emac */
  5519. if (!CHIP_IS_E3(bp))
  5520. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5521. msleep(10);
  5522. /* reset BigMac/Xmac */
  5523. if (CHIP_IS_E1x(bp) ||
  5524. CHIP_IS_E2(bp)) {
  5525. bnx2x_bmac_rx_disable(bp, params->port);
  5526. REG_WR(bp, GRCBASE_MISC +
  5527. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5528. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5529. }
  5530. if (CHIP_IS_E3(bp))
  5531. bnx2x_xmac_disable(params);
  5532. return 0;
  5533. }
  5534. static int bnx2x_update_link_up(struct link_params *params,
  5535. struct link_vars *vars,
  5536. u8 link_10g)
  5537. {
  5538. struct bnx2x *bp = params->bp;
  5539. u8 port = params->port;
  5540. int rc = 0;
  5541. vars->link_status |= (LINK_STATUS_LINK_UP |
  5542. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5543. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5544. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5545. vars->link_status |=
  5546. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5547. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5548. vars->link_status |=
  5549. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5550. if (USES_WARPCORE(bp)) {
  5551. if (link_10g) {
  5552. if (bnx2x_xmac_enable(params, vars, 0) ==
  5553. -ESRCH) {
  5554. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5555. vars->link_up = 0;
  5556. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5557. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5558. }
  5559. } else
  5560. bnx2x_umac_enable(params, vars, 0);
  5561. bnx2x_set_led(params, vars,
  5562. LED_MODE_OPER, vars->line_speed);
  5563. }
  5564. if ((CHIP_IS_E1x(bp) ||
  5565. CHIP_IS_E2(bp))) {
  5566. if (link_10g) {
  5567. if (bnx2x_bmac_enable(params, vars, 0) ==
  5568. -ESRCH) {
  5569. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5570. vars->link_up = 0;
  5571. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5572. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5573. }
  5574. bnx2x_set_led(params, vars,
  5575. LED_MODE_OPER, SPEED_10000);
  5576. } else {
  5577. rc = bnx2x_emac_program(params, vars);
  5578. bnx2x_emac_enable(params, vars, 0);
  5579. /* AN complete? */
  5580. if ((vars->link_status &
  5581. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5582. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5583. SINGLE_MEDIA_DIRECT(params))
  5584. bnx2x_set_gmii_tx_driver(params);
  5585. }
  5586. }
  5587. /* PBF - link up */
  5588. if (CHIP_IS_E1x(bp))
  5589. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5590. vars->line_speed);
  5591. /* disable drain */
  5592. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5593. /* update shared memory */
  5594. bnx2x_update_mng(params, vars->link_status);
  5595. msleep(20);
  5596. return rc;
  5597. }
  5598. /*
  5599. * The bnx2x_link_update function should be called upon link
  5600. * interrupt.
  5601. * Link is considered up as follows:
  5602. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5603. * to be up
  5604. * - SINGLE_MEDIA - The link between the 577xx and the external
  5605. * phy (XGXS) need to up as well as the external link of the
  5606. * phy (PHY_EXT1)
  5607. * - DUAL_MEDIA - The link between the 577xx and the first
  5608. * external phy needs to be up, and at least one of the 2
  5609. * external phy link must be up.
  5610. */
  5611. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5612. {
  5613. struct bnx2x *bp = params->bp;
  5614. struct link_vars phy_vars[MAX_PHYS];
  5615. u8 port = params->port;
  5616. u8 link_10g_plus, phy_index;
  5617. u8 ext_phy_link_up = 0, cur_link_up;
  5618. int rc = 0;
  5619. u8 is_mi_int = 0;
  5620. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5621. u8 active_external_phy = INT_PHY;
  5622. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5623. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5624. phy_index++) {
  5625. phy_vars[phy_index].flow_ctrl = 0;
  5626. phy_vars[phy_index].link_status = 0;
  5627. phy_vars[phy_index].line_speed = 0;
  5628. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5629. phy_vars[phy_index].phy_link_up = 0;
  5630. phy_vars[phy_index].link_up = 0;
  5631. phy_vars[phy_index].fault_detected = 0;
  5632. }
  5633. if (USES_WARPCORE(bp))
  5634. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5635. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5636. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5637. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5638. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5639. port*0x18) > 0);
  5640. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5641. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5642. is_mi_int,
  5643. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5644. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5645. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5646. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5647. /* disable emac */
  5648. if (!CHIP_IS_E3(bp))
  5649. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5650. /*
  5651. * Step 1:
  5652. * Check external link change only for external phys, and apply
  5653. * priority selection between them in case the link on both phys
  5654. * is up. Note that instead of the common vars, a temporary
  5655. * vars argument is used since each phy may have different link/
  5656. * speed/duplex result
  5657. */
  5658. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5659. phy_index++) {
  5660. struct bnx2x_phy *phy = &params->phy[phy_index];
  5661. if (!phy->read_status)
  5662. continue;
  5663. /* Read link status and params of this ext phy */
  5664. cur_link_up = phy->read_status(phy, params,
  5665. &phy_vars[phy_index]);
  5666. if (cur_link_up) {
  5667. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5668. phy_index);
  5669. } else {
  5670. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5671. phy_index);
  5672. continue;
  5673. }
  5674. if (!ext_phy_link_up) {
  5675. ext_phy_link_up = 1;
  5676. active_external_phy = phy_index;
  5677. } else {
  5678. switch (bnx2x_phy_selection(params)) {
  5679. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5680. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5681. /*
  5682. * In this option, the first PHY makes sure to pass the
  5683. * traffic through itself only.
  5684. * Its not clear how to reset the link on the second phy
  5685. */
  5686. active_external_phy = EXT_PHY1;
  5687. break;
  5688. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5689. /*
  5690. * In this option, the first PHY makes sure to pass the
  5691. * traffic through the second PHY.
  5692. */
  5693. active_external_phy = EXT_PHY2;
  5694. break;
  5695. default:
  5696. /*
  5697. * Link indication on both PHYs with the following cases
  5698. * is invalid:
  5699. * - FIRST_PHY means that second phy wasn't initialized,
  5700. * hence its link is expected to be down
  5701. * - SECOND_PHY means that first phy should not be able
  5702. * to link up by itself (using configuration)
  5703. * - DEFAULT should be overriden during initialiazation
  5704. */
  5705. DP(NETIF_MSG_LINK, "Invalid link indication"
  5706. "mpc=0x%x. DISABLING LINK !!!\n",
  5707. params->multi_phy_config);
  5708. ext_phy_link_up = 0;
  5709. break;
  5710. }
  5711. }
  5712. }
  5713. prev_line_speed = vars->line_speed;
  5714. /*
  5715. * Step 2:
  5716. * Read the status of the internal phy. In case of
  5717. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5718. * otherwise this is the link between the 577xx and the first
  5719. * external phy
  5720. */
  5721. if (params->phy[INT_PHY].read_status)
  5722. params->phy[INT_PHY].read_status(
  5723. &params->phy[INT_PHY],
  5724. params, vars);
  5725. /*
  5726. * The INT_PHY flow control reside in the vars. This include the
  5727. * case where the speed or flow control are not set to AUTO.
  5728. * Otherwise, the active external phy flow control result is set
  5729. * to the vars. The ext_phy_line_speed is needed to check if the
  5730. * speed is different between the internal phy and external phy.
  5731. * This case may be result of intermediate link speed change.
  5732. */
  5733. if (active_external_phy > INT_PHY) {
  5734. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5735. /*
  5736. * Link speed is taken from the XGXS. AN and FC result from
  5737. * the external phy.
  5738. */
  5739. vars->link_status |= phy_vars[active_external_phy].link_status;
  5740. /*
  5741. * if active_external_phy is first PHY and link is up - disable
  5742. * disable TX on second external PHY
  5743. */
  5744. if (active_external_phy == EXT_PHY1) {
  5745. if (params->phy[EXT_PHY2].phy_specific_func) {
  5746. DP(NETIF_MSG_LINK,
  5747. "Disabling TX on EXT_PHY2\n");
  5748. params->phy[EXT_PHY2].phy_specific_func(
  5749. &params->phy[EXT_PHY2],
  5750. params, DISABLE_TX);
  5751. }
  5752. }
  5753. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5754. vars->duplex = phy_vars[active_external_phy].duplex;
  5755. if (params->phy[active_external_phy].supported &
  5756. SUPPORTED_FIBRE)
  5757. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5758. else
  5759. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5760. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5761. active_external_phy);
  5762. }
  5763. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5764. phy_index++) {
  5765. if (params->phy[phy_index].flags &
  5766. FLAGS_REARM_LATCH_SIGNAL) {
  5767. bnx2x_rearm_latch_signal(bp, port,
  5768. phy_index ==
  5769. active_external_phy);
  5770. break;
  5771. }
  5772. }
  5773. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5774. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5775. vars->link_status, ext_phy_line_speed);
  5776. /*
  5777. * Upon link speed change set the NIG into drain mode. Comes to
  5778. * deals with possible FIFO glitch due to clk change when speed
  5779. * is decreased without link down indicator
  5780. */
  5781. if (vars->phy_link_up) {
  5782. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5783. (ext_phy_line_speed != vars->line_speed)) {
  5784. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5785. " different than the external"
  5786. " link speed %d\n", vars->line_speed,
  5787. ext_phy_line_speed);
  5788. vars->phy_link_up = 0;
  5789. } else if (prev_line_speed != vars->line_speed) {
  5790. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5791. 0);
  5792. msleep(1);
  5793. }
  5794. }
  5795. /* anything 10 and over uses the bmac */
  5796. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5797. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5798. /*
  5799. * In case external phy link is up, and internal link is down
  5800. * (not initialized yet probably after link initialization, it
  5801. * needs to be initialized.
  5802. * Note that after link down-up as result of cable plug, the xgxs
  5803. * link would probably become up again without the need
  5804. * initialize it
  5805. */
  5806. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5807. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5808. " init_preceding = %d\n", ext_phy_link_up,
  5809. vars->phy_link_up,
  5810. params->phy[EXT_PHY1].flags &
  5811. FLAGS_INIT_XGXS_FIRST);
  5812. if (!(params->phy[EXT_PHY1].flags &
  5813. FLAGS_INIT_XGXS_FIRST)
  5814. && ext_phy_link_up && !vars->phy_link_up) {
  5815. vars->line_speed = ext_phy_line_speed;
  5816. if (vars->line_speed < SPEED_1000)
  5817. vars->phy_flags |= PHY_SGMII_FLAG;
  5818. else
  5819. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5820. if (params->phy[INT_PHY].config_init)
  5821. params->phy[INT_PHY].config_init(
  5822. &params->phy[INT_PHY], params,
  5823. vars);
  5824. }
  5825. }
  5826. /*
  5827. * Link is up only if both local phy and external phy (in case of
  5828. * non-direct board) are up and no fault detected on active PHY.
  5829. */
  5830. vars->link_up = (vars->phy_link_up &&
  5831. (ext_phy_link_up ||
  5832. SINGLE_MEDIA_DIRECT(params)) &&
  5833. (phy_vars[active_external_phy].fault_detected == 0));
  5834. if (vars->link_up)
  5835. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5836. else
  5837. rc = bnx2x_update_link_down(params, vars);
  5838. return rc;
  5839. }
  5840. /*****************************************************************************/
  5841. /* External Phy section */
  5842. /*****************************************************************************/
  5843. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5844. {
  5845. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5846. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5847. msleep(1);
  5848. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5849. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5850. }
  5851. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5852. u32 spirom_ver, u32 ver_addr)
  5853. {
  5854. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5855. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5856. if (ver_addr)
  5857. REG_WR(bp, ver_addr, spirom_ver);
  5858. }
  5859. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5860. struct bnx2x_phy *phy,
  5861. u8 port)
  5862. {
  5863. u16 fw_ver1, fw_ver2;
  5864. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5865. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5866. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5867. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5868. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5869. phy->ver_addr);
  5870. }
  5871. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5872. struct bnx2x_phy *phy,
  5873. struct link_vars *vars)
  5874. {
  5875. u16 val;
  5876. bnx2x_cl45_read(bp, phy,
  5877. MDIO_AN_DEVAD,
  5878. MDIO_AN_REG_STATUS, &val);
  5879. bnx2x_cl45_read(bp, phy,
  5880. MDIO_AN_DEVAD,
  5881. MDIO_AN_REG_STATUS, &val);
  5882. if (val & (1<<5))
  5883. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5884. if ((val & (1<<0)) == 0)
  5885. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5886. }
  5887. /******************************************************************/
  5888. /* common BCM8073/BCM8727 PHY SECTION */
  5889. /******************************************************************/
  5890. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5891. struct link_params *params,
  5892. struct link_vars *vars)
  5893. {
  5894. struct bnx2x *bp = params->bp;
  5895. if (phy->req_line_speed == SPEED_10 ||
  5896. phy->req_line_speed == SPEED_100) {
  5897. vars->flow_ctrl = phy->req_flow_ctrl;
  5898. return;
  5899. }
  5900. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5901. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5902. u16 pause_result;
  5903. u16 ld_pause; /* local */
  5904. u16 lp_pause; /* link partner */
  5905. bnx2x_cl45_read(bp, phy,
  5906. MDIO_AN_DEVAD,
  5907. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5908. bnx2x_cl45_read(bp, phy,
  5909. MDIO_AN_DEVAD,
  5910. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5911. pause_result = (ld_pause &
  5912. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5913. pause_result |= (lp_pause &
  5914. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5915. bnx2x_pause_resolve(vars, pause_result);
  5916. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5917. pause_result);
  5918. }
  5919. }
  5920. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5921. struct bnx2x_phy *phy,
  5922. u8 port)
  5923. {
  5924. u32 count = 0;
  5925. u16 fw_ver1, fw_msgout;
  5926. int rc = 0;
  5927. /* Boot port from external ROM */
  5928. /* EDC grst */
  5929. bnx2x_cl45_write(bp, phy,
  5930. MDIO_PMA_DEVAD,
  5931. MDIO_PMA_REG_GEN_CTRL,
  5932. 0x0001);
  5933. /* ucode reboot and rst */
  5934. bnx2x_cl45_write(bp, phy,
  5935. MDIO_PMA_DEVAD,
  5936. MDIO_PMA_REG_GEN_CTRL,
  5937. 0x008c);
  5938. bnx2x_cl45_write(bp, phy,
  5939. MDIO_PMA_DEVAD,
  5940. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5941. /* Reset internal microprocessor */
  5942. bnx2x_cl45_write(bp, phy,
  5943. MDIO_PMA_DEVAD,
  5944. MDIO_PMA_REG_GEN_CTRL,
  5945. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5946. /* Release srst bit */
  5947. bnx2x_cl45_write(bp, phy,
  5948. MDIO_PMA_DEVAD,
  5949. MDIO_PMA_REG_GEN_CTRL,
  5950. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5951. /* Delay 100ms per the PHY specifications */
  5952. msleep(100);
  5953. /* 8073 sometimes taking longer to download */
  5954. do {
  5955. count++;
  5956. if (count > 300) {
  5957. DP(NETIF_MSG_LINK,
  5958. "bnx2x_8073_8727_external_rom_boot port %x:"
  5959. "Download failed. fw version = 0x%x\n",
  5960. port, fw_ver1);
  5961. rc = -EINVAL;
  5962. break;
  5963. }
  5964. bnx2x_cl45_read(bp, phy,
  5965. MDIO_PMA_DEVAD,
  5966. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5967. bnx2x_cl45_read(bp, phy,
  5968. MDIO_PMA_DEVAD,
  5969. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5970. msleep(1);
  5971. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5972. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5973. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5974. /* Clear ser_boot_ctl bit */
  5975. bnx2x_cl45_write(bp, phy,
  5976. MDIO_PMA_DEVAD,
  5977. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5978. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5979. DP(NETIF_MSG_LINK,
  5980. "bnx2x_8073_8727_external_rom_boot port %x:"
  5981. "Download complete. fw version = 0x%x\n",
  5982. port, fw_ver1);
  5983. return rc;
  5984. }
  5985. /******************************************************************/
  5986. /* BCM8073 PHY SECTION */
  5987. /******************************************************************/
  5988. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5989. {
  5990. /* This is only required for 8073A1, version 102 only */
  5991. u16 val;
  5992. /* Read 8073 HW revision*/
  5993. bnx2x_cl45_read(bp, phy,
  5994. MDIO_PMA_DEVAD,
  5995. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5996. if (val != 1) {
  5997. /* No need to workaround in 8073 A1 */
  5998. return 0;
  5999. }
  6000. bnx2x_cl45_read(bp, phy,
  6001. MDIO_PMA_DEVAD,
  6002. MDIO_PMA_REG_ROM_VER2, &val);
  6003. /* SNR should be applied only for version 0x102 */
  6004. if (val != 0x102)
  6005. return 0;
  6006. return 1;
  6007. }
  6008. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6009. {
  6010. u16 val, cnt, cnt1 ;
  6011. bnx2x_cl45_read(bp, phy,
  6012. MDIO_PMA_DEVAD,
  6013. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6014. if (val > 0) {
  6015. /* No need to workaround in 8073 A1 */
  6016. return 0;
  6017. }
  6018. /* XAUI workaround in 8073 A0: */
  6019. /*
  6020. * After loading the boot ROM and restarting Autoneg, poll
  6021. * Dev1, Reg $C820:
  6022. */
  6023. for (cnt = 0; cnt < 1000; cnt++) {
  6024. bnx2x_cl45_read(bp, phy,
  6025. MDIO_PMA_DEVAD,
  6026. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6027. &val);
  6028. /*
  6029. * If bit [14] = 0 or bit [13] = 0, continue on with
  6030. * system initialization (XAUI work-around not required, as
  6031. * these bits indicate 2.5G or 1G link up).
  6032. */
  6033. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6034. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6035. return 0;
  6036. } else if (!(val & (1<<15))) {
  6037. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6038. /*
  6039. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6040. * MSB (bit15) goes to 1 (indicating that the XAUI
  6041. * workaround has completed), then continue on with
  6042. * system initialization.
  6043. */
  6044. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6045. bnx2x_cl45_read(bp, phy,
  6046. MDIO_PMA_DEVAD,
  6047. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6048. if (val & (1<<15)) {
  6049. DP(NETIF_MSG_LINK,
  6050. "XAUI workaround has completed\n");
  6051. return 0;
  6052. }
  6053. msleep(3);
  6054. }
  6055. break;
  6056. }
  6057. msleep(3);
  6058. }
  6059. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6060. return -EINVAL;
  6061. }
  6062. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6063. {
  6064. /* Force KR or KX */
  6065. bnx2x_cl45_write(bp, phy,
  6066. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6067. bnx2x_cl45_write(bp, phy,
  6068. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6069. bnx2x_cl45_write(bp, phy,
  6070. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6071. bnx2x_cl45_write(bp, phy,
  6072. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6073. }
  6074. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6075. struct bnx2x_phy *phy,
  6076. struct link_vars *vars)
  6077. {
  6078. u16 cl37_val;
  6079. struct bnx2x *bp = params->bp;
  6080. bnx2x_cl45_read(bp, phy,
  6081. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6082. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6083. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6084. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6085. if ((vars->ieee_fc &
  6086. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6087. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6088. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6089. }
  6090. if ((vars->ieee_fc &
  6091. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6092. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6093. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6094. }
  6095. if ((vars->ieee_fc &
  6096. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6098. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6099. }
  6100. DP(NETIF_MSG_LINK,
  6101. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6102. bnx2x_cl45_write(bp, phy,
  6103. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6104. msleep(500);
  6105. }
  6106. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6107. struct link_params *params,
  6108. struct link_vars *vars)
  6109. {
  6110. struct bnx2x *bp = params->bp;
  6111. u16 val = 0, tmp1;
  6112. u8 gpio_port;
  6113. DP(NETIF_MSG_LINK, "Init 8073\n");
  6114. if (CHIP_IS_E2(bp))
  6115. gpio_port = BP_PATH(bp);
  6116. else
  6117. gpio_port = params->port;
  6118. /* Restore normal power mode*/
  6119. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6120. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6121. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6122. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6123. /* enable LASI */
  6124. bnx2x_cl45_write(bp, phy,
  6125. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6126. bnx2x_cl45_write(bp, phy,
  6127. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6128. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6129. bnx2x_cl45_read(bp, phy,
  6130. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6131. bnx2x_cl45_read(bp, phy,
  6132. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6133. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6134. /* Swap polarity if required - Must be done only in non-1G mode */
  6135. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6136. /* Configure the 8073 to swap _P and _N of the KR lines */
  6137. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6138. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6139. bnx2x_cl45_read(bp, phy,
  6140. MDIO_PMA_DEVAD,
  6141. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6142. bnx2x_cl45_write(bp, phy,
  6143. MDIO_PMA_DEVAD,
  6144. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6145. (val | (3<<9)));
  6146. }
  6147. /* Enable CL37 BAM */
  6148. if (REG_RD(bp, params->shmem_base +
  6149. offsetof(struct shmem_region, dev_info.
  6150. port_hw_config[params->port].default_cfg)) &
  6151. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6152. bnx2x_cl45_read(bp, phy,
  6153. MDIO_AN_DEVAD,
  6154. MDIO_AN_REG_8073_BAM, &val);
  6155. bnx2x_cl45_write(bp, phy,
  6156. MDIO_AN_DEVAD,
  6157. MDIO_AN_REG_8073_BAM, val | 1);
  6158. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6159. }
  6160. if (params->loopback_mode == LOOPBACK_EXT) {
  6161. bnx2x_807x_force_10G(bp, phy);
  6162. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6163. return 0;
  6164. } else {
  6165. bnx2x_cl45_write(bp, phy,
  6166. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6167. }
  6168. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6169. if (phy->req_line_speed == SPEED_10000) {
  6170. val = (1<<7);
  6171. } else if (phy->req_line_speed == SPEED_2500) {
  6172. val = (1<<5);
  6173. /*
  6174. * Note that 2.5G works only when used with 1G
  6175. * advertisement
  6176. */
  6177. } else
  6178. val = (1<<5);
  6179. } else {
  6180. val = 0;
  6181. if (phy->speed_cap_mask &
  6182. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6183. val |= (1<<7);
  6184. /* Note that 2.5G works only when used with 1G advertisement */
  6185. if (phy->speed_cap_mask &
  6186. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6187. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6188. val |= (1<<5);
  6189. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6190. }
  6191. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6192. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6193. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6194. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6195. (phy->req_line_speed == SPEED_2500)) {
  6196. u16 phy_ver;
  6197. /* Allow 2.5G for A1 and above */
  6198. bnx2x_cl45_read(bp, phy,
  6199. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6200. &phy_ver);
  6201. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6202. if (phy_ver > 0)
  6203. tmp1 |= 1;
  6204. else
  6205. tmp1 &= 0xfffe;
  6206. } else {
  6207. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6208. tmp1 &= 0xfffe;
  6209. }
  6210. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6211. /* Add support for CL37 (passive mode) II */
  6212. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6213. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6214. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6215. 0x20 : 0x40)));
  6216. /* Add support for CL37 (passive mode) III */
  6217. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6218. /*
  6219. * The SNR will improve about 2db by changing BW and FEE main
  6220. * tap. Rest commands are executed after link is up
  6221. * Change FFE main cursor to 5 in EDC register
  6222. */
  6223. if (bnx2x_8073_is_snr_needed(bp, phy))
  6224. bnx2x_cl45_write(bp, phy,
  6225. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6226. 0xFB0C);
  6227. /* Enable FEC (Forware Error Correction) Request in the AN */
  6228. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6229. tmp1 |= (1<<15);
  6230. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6231. bnx2x_ext_phy_set_pause(params, phy, vars);
  6232. /* Restart autoneg */
  6233. msleep(500);
  6234. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6235. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6236. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6237. return 0;
  6238. }
  6239. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6240. struct link_params *params,
  6241. struct link_vars *vars)
  6242. {
  6243. struct bnx2x *bp = params->bp;
  6244. u8 link_up = 0;
  6245. u16 val1, val2;
  6246. u16 link_status = 0;
  6247. u16 an1000_status = 0;
  6248. bnx2x_cl45_read(bp, phy,
  6249. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6250. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6251. /* clear the interrupt LASI status register */
  6252. bnx2x_cl45_read(bp, phy,
  6253. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6254. bnx2x_cl45_read(bp, phy,
  6255. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6256. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6257. /* Clear MSG-OUT */
  6258. bnx2x_cl45_read(bp, phy,
  6259. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6260. /* Check the LASI */
  6261. bnx2x_cl45_read(bp, phy,
  6262. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6263. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6264. /* Check the link status */
  6265. bnx2x_cl45_read(bp, phy,
  6266. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6267. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6268. bnx2x_cl45_read(bp, phy,
  6269. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6270. bnx2x_cl45_read(bp, phy,
  6271. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6272. link_up = ((val1 & 4) == 4);
  6273. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6274. if (link_up &&
  6275. ((phy->req_line_speed != SPEED_10000))) {
  6276. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6277. return 0;
  6278. }
  6279. bnx2x_cl45_read(bp, phy,
  6280. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6281. bnx2x_cl45_read(bp, phy,
  6282. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6283. /* Check the link status on 1.1.2 */
  6284. bnx2x_cl45_read(bp, phy,
  6285. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6286. bnx2x_cl45_read(bp, phy,
  6287. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6288. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6289. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6290. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6291. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6292. /*
  6293. * The SNR will improve about 2dbby changing the BW and FEE main
  6294. * tap. The 1st write to change FFE main tap is set before
  6295. * restart AN. Change PLL Bandwidth in EDC register
  6296. */
  6297. bnx2x_cl45_write(bp, phy,
  6298. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6299. 0x26BC);
  6300. /* Change CDR Bandwidth in EDC register */
  6301. bnx2x_cl45_write(bp, phy,
  6302. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6303. 0x0333);
  6304. }
  6305. bnx2x_cl45_read(bp, phy,
  6306. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6307. &link_status);
  6308. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6309. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6310. link_up = 1;
  6311. vars->line_speed = SPEED_10000;
  6312. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6313. params->port);
  6314. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6315. link_up = 1;
  6316. vars->line_speed = SPEED_2500;
  6317. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6318. params->port);
  6319. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6320. link_up = 1;
  6321. vars->line_speed = SPEED_1000;
  6322. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6323. params->port);
  6324. } else {
  6325. link_up = 0;
  6326. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6327. params->port);
  6328. }
  6329. if (link_up) {
  6330. /* Swap polarity if required */
  6331. if (params->lane_config &
  6332. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6333. /* Configure the 8073 to swap P and N of the KR lines */
  6334. bnx2x_cl45_read(bp, phy,
  6335. MDIO_XS_DEVAD,
  6336. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6337. /*
  6338. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6339. * when it`s in 10G mode.
  6340. */
  6341. if (vars->line_speed == SPEED_1000) {
  6342. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6343. "the 8073\n");
  6344. val1 |= (1<<3);
  6345. } else
  6346. val1 &= ~(1<<3);
  6347. bnx2x_cl45_write(bp, phy,
  6348. MDIO_XS_DEVAD,
  6349. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6350. val1);
  6351. }
  6352. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6353. bnx2x_8073_resolve_fc(phy, params, vars);
  6354. vars->duplex = DUPLEX_FULL;
  6355. }
  6356. return link_up;
  6357. }
  6358. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6359. struct link_params *params)
  6360. {
  6361. struct bnx2x *bp = params->bp;
  6362. u8 gpio_port;
  6363. if (CHIP_IS_E2(bp))
  6364. gpio_port = BP_PATH(bp);
  6365. else
  6366. gpio_port = params->port;
  6367. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6368. gpio_port);
  6369. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6370. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6371. gpio_port);
  6372. }
  6373. /******************************************************************/
  6374. /* BCM8705 PHY SECTION */
  6375. /******************************************************************/
  6376. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6377. struct link_params *params,
  6378. struct link_vars *vars)
  6379. {
  6380. struct bnx2x *bp = params->bp;
  6381. DP(NETIF_MSG_LINK, "init 8705\n");
  6382. /* Restore normal power mode*/
  6383. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6384. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6385. /* HW reset */
  6386. bnx2x_ext_phy_hw_reset(bp, params->port);
  6387. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6388. bnx2x_wait_reset_complete(bp, phy, params);
  6389. bnx2x_cl45_write(bp, phy,
  6390. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6391. bnx2x_cl45_write(bp, phy,
  6392. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6393. bnx2x_cl45_write(bp, phy,
  6394. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6395. bnx2x_cl45_write(bp, phy,
  6396. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6397. /* BCM8705 doesn't have microcode, hence the 0 */
  6398. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6399. return 0;
  6400. }
  6401. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6402. struct link_params *params,
  6403. struct link_vars *vars)
  6404. {
  6405. u8 link_up = 0;
  6406. u16 val1, rx_sd;
  6407. struct bnx2x *bp = params->bp;
  6408. DP(NETIF_MSG_LINK, "read status 8705\n");
  6409. bnx2x_cl45_read(bp, phy,
  6410. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6411. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6412. bnx2x_cl45_read(bp, phy,
  6413. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6414. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6415. bnx2x_cl45_read(bp, phy,
  6416. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6417. bnx2x_cl45_read(bp, phy,
  6418. MDIO_PMA_DEVAD, 0xc809, &val1);
  6419. bnx2x_cl45_read(bp, phy,
  6420. MDIO_PMA_DEVAD, 0xc809, &val1);
  6421. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6422. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6423. if (link_up) {
  6424. vars->line_speed = SPEED_10000;
  6425. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6426. }
  6427. return link_up;
  6428. }
  6429. /******************************************************************/
  6430. /* SFP+ module Section */
  6431. /******************************************************************/
  6432. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6433. struct bnx2x_phy *phy,
  6434. u8 pmd_dis)
  6435. {
  6436. struct bnx2x *bp = params->bp;
  6437. /*
  6438. * Disable transmitter only for bootcodes which can enable it afterwards
  6439. * (for D3 link)
  6440. */
  6441. if (pmd_dis) {
  6442. if (params->feature_config_flags &
  6443. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6444. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6445. else {
  6446. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6447. return;
  6448. }
  6449. } else
  6450. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6451. bnx2x_cl45_write(bp, phy,
  6452. MDIO_PMA_DEVAD,
  6453. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6454. }
  6455. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6456. {
  6457. u8 gpio_port;
  6458. u32 swap_val, swap_override;
  6459. struct bnx2x *bp = params->bp;
  6460. if (CHIP_IS_E2(bp))
  6461. gpio_port = BP_PATH(bp);
  6462. else
  6463. gpio_port = params->port;
  6464. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6465. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6466. return gpio_port ^ (swap_val && swap_override);
  6467. }
  6468. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6469. struct bnx2x_phy *phy,
  6470. u8 tx_en)
  6471. {
  6472. u16 val;
  6473. u8 port = params->port;
  6474. struct bnx2x *bp = params->bp;
  6475. u32 tx_en_mode;
  6476. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6477. tx_en_mode = REG_RD(bp, params->shmem_base +
  6478. offsetof(struct shmem_region,
  6479. dev_info.port_hw_config[port].sfp_ctrl)) &
  6480. PORT_HW_CFG_TX_LASER_MASK;
  6481. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6482. "mode = %x\n", tx_en, port, tx_en_mode);
  6483. switch (tx_en_mode) {
  6484. case PORT_HW_CFG_TX_LASER_MDIO:
  6485. bnx2x_cl45_read(bp, phy,
  6486. MDIO_PMA_DEVAD,
  6487. MDIO_PMA_REG_PHY_IDENTIFIER,
  6488. &val);
  6489. if (tx_en)
  6490. val &= ~(1<<15);
  6491. else
  6492. val |= (1<<15);
  6493. bnx2x_cl45_write(bp, phy,
  6494. MDIO_PMA_DEVAD,
  6495. MDIO_PMA_REG_PHY_IDENTIFIER,
  6496. val);
  6497. break;
  6498. case PORT_HW_CFG_TX_LASER_GPIO0:
  6499. case PORT_HW_CFG_TX_LASER_GPIO1:
  6500. case PORT_HW_CFG_TX_LASER_GPIO2:
  6501. case PORT_HW_CFG_TX_LASER_GPIO3:
  6502. {
  6503. u16 gpio_pin;
  6504. u8 gpio_port, gpio_mode;
  6505. if (tx_en)
  6506. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6507. else
  6508. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6509. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6510. gpio_port = bnx2x_get_gpio_port(params);
  6511. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6512. break;
  6513. }
  6514. default:
  6515. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6516. break;
  6517. }
  6518. }
  6519. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6520. struct bnx2x_phy *phy,
  6521. u8 tx_en)
  6522. {
  6523. struct bnx2x *bp = params->bp;
  6524. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6525. if (CHIP_IS_E3(bp))
  6526. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6527. else
  6528. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6529. }
  6530. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6531. struct link_params *params,
  6532. u16 addr, u8 byte_cnt, u8 *o_buf)
  6533. {
  6534. struct bnx2x *bp = params->bp;
  6535. u16 val = 0;
  6536. u16 i;
  6537. if (byte_cnt > 16) {
  6538. DP(NETIF_MSG_LINK,
  6539. "Reading from eeprom is limited to 0xf\n");
  6540. return -EINVAL;
  6541. }
  6542. /* Set the read command byte count */
  6543. bnx2x_cl45_write(bp, phy,
  6544. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6545. (byte_cnt | 0xa000));
  6546. /* Set the read command address */
  6547. bnx2x_cl45_write(bp, phy,
  6548. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6549. addr);
  6550. /* Activate read command */
  6551. bnx2x_cl45_write(bp, phy,
  6552. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6553. 0x2c0f);
  6554. /* Wait up to 500us for command complete status */
  6555. for (i = 0; i < 100; i++) {
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD,
  6558. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6559. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6560. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6561. break;
  6562. udelay(5);
  6563. }
  6564. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6565. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6566. DP(NETIF_MSG_LINK,
  6567. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6568. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6569. return -EINVAL;
  6570. }
  6571. /* Read the buffer */
  6572. for (i = 0; i < byte_cnt; i++) {
  6573. bnx2x_cl45_read(bp, phy,
  6574. MDIO_PMA_DEVAD,
  6575. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6576. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6577. }
  6578. for (i = 0; i < 100; i++) {
  6579. bnx2x_cl45_read(bp, phy,
  6580. MDIO_PMA_DEVAD,
  6581. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6582. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6583. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6584. return 0;
  6585. msleep(1);
  6586. }
  6587. return -EINVAL;
  6588. }
  6589. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6590. struct link_params *params,
  6591. u16 addr, u8 byte_cnt,
  6592. u8 *o_buf)
  6593. {
  6594. int rc = 0;
  6595. u8 i, j = 0, cnt = 0;
  6596. u32 data_array[4];
  6597. u16 addr32;
  6598. struct bnx2x *bp = params->bp;
  6599. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6600. " addr %d, cnt %d\n",
  6601. addr, byte_cnt);*/
  6602. if (byte_cnt > 16) {
  6603. DP(NETIF_MSG_LINK,
  6604. "Reading from eeprom is limited to 16 bytes\n");
  6605. return -EINVAL;
  6606. }
  6607. /* 4 byte aligned address */
  6608. addr32 = addr & (~0x3);
  6609. do {
  6610. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6611. data_array);
  6612. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6613. if (rc == 0) {
  6614. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6615. o_buf[j] = *((u8 *)data_array + i);
  6616. j++;
  6617. }
  6618. }
  6619. return rc;
  6620. }
  6621. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6622. struct link_params *params,
  6623. u16 addr, u8 byte_cnt, u8 *o_buf)
  6624. {
  6625. struct bnx2x *bp = params->bp;
  6626. u16 val, i;
  6627. if (byte_cnt > 16) {
  6628. DP(NETIF_MSG_LINK,
  6629. "Reading from eeprom is limited to 0xf\n");
  6630. return -EINVAL;
  6631. }
  6632. /* Need to read from 1.8000 to clear it */
  6633. bnx2x_cl45_read(bp, phy,
  6634. MDIO_PMA_DEVAD,
  6635. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6636. &val);
  6637. /* Set the read command byte count */
  6638. bnx2x_cl45_write(bp, phy,
  6639. MDIO_PMA_DEVAD,
  6640. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6641. ((byte_cnt < 2) ? 2 : byte_cnt));
  6642. /* Set the read command address */
  6643. bnx2x_cl45_write(bp, phy,
  6644. MDIO_PMA_DEVAD,
  6645. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6646. addr);
  6647. /* Set the destination address */
  6648. bnx2x_cl45_write(bp, phy,
  6649. MDIO_PMA_DEVAD,
  6650. 0x8004,
  6651. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6652. /* Activate read command */
  6653. bnx2x_cl45_write(bp, phy,
  6654. MDIO_PMA_DEVAD,
  6655. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6656. 0x8002);
  6657. /*
  6658. * Wait appropriate time for two-wire command to finish before
  6659. * polling the status register
  6660. */
  6661. msleep(1);
  6662. /* Wait up to 500us for command complete status */
  6663. for (i = 0; i < 100; i++) {
  6664. bnx2x_cl45_read(bp, phy,
  6665. MDIO_PMA_DEVAD,
  6666. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6667. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6668. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6669. break;
  6670. udelay(5);
  6671. }
  6672. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6673. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6674. DP(NETIF_MSG_LINK,
  6675. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6676. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6677. return -EFAULT;
  6678. }
  6679. /* Read the buffer */
  6680. for (i = 0; i < byte_cnt; i++) {
  6681. bnx2x_cl45_read(bp, phy,
  6682. MDIO_PMA_DEVAD,
  6683. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6684. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6685. }
  6686. for (i = 0; i < 100; i++) {
  6687. bnx2x_cl45_read(bp, phy,
  6688. MDIO_PMA_DEVAD,
  6689. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6690. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6691. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6692. return 0;
  6693. msleep(1);
  6694. }
  6695. return -EINVAL;
  6696. }
  6697. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6698. struct link_params *params, u16 addr,
  6699. u8 byte_cnt, u8 *o_buf)
  6700. {
  6701. int rc = -EINVAL;
  6702. switch (phy->type) {
  6703. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6704. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6705. byte_cnt, o_buf);
  6706. break;
  6707. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6708. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6709. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6710. byte_cnt, o_buf);
  6711. break;
  6712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6713. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6714. byte_cnt, o_buf);
  6715. break;
  6716. }
  6717. return rc;
  6718. }
  6719. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6720. struct link_params *params,
  6721. u16 *edc_mode)
  6722. {
  6723. struct bnx2x *bp = params->bp;
  6724. u32 sync_offset = 0, phy_idx, media_types;
  6725. u8 val, check_limiting_mode = 0;
  6726. *edc_mode = EDC_MODE_LIMITING;
  6727. phy->media_type = ETH_PHY_UNSPECIFIED;
  6728. /* First check for copper cable */
  6729. if (bnx2x_read_sfp_module_eeprom(phy,
  6730. params,
  6731. SFP_EEPROM_CON_TYPE_ADDR,
  6732. 1,
  6733. &val) != 0) {
  6734. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6735. return -EINVAL;
  6736. }
  6737. switch (val) {
  6738. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6739. {
  6740. u8 copper_module_type;
  6741. phy->media_type = ETH_PHY_DA_TWINAX;
  6742. /*
  6743. * Check if its active cable (includes SFP+ module)
  6744. * of passive cable
  6745. */
  6746. if (bnx2x_read_sfp_module_eeprom(phy,
  6747. params,
  6748. SFP_EEPROM_FC_TX_TECH_ADDR,
  6749. 1,
  6750. &copper_module_type) != 0) {
  6751. DP(NETIF_MSG_LINK,
  6752. "Failed to read copper-cable-type"
  6753. " from SFP+ EEPROM\n");
  6754. return -EINVAL;
  6755. }
  6756. if (copper_module_type &
  6757. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6758. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6759. check_limiting_mode = 1;
  6760. } else if (copper_module_type &
  6761. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6762. DP(NETIF_MSG_LINK,
  6763. "Passive Copper cable detected\n");
  6764. *edc_mode =
  6765. EDC_MODE_PASSIVE_DAC;
  6766. } else {
  6767. DP(NETIF_MSG_LINK,
  6768. "Unknown copper-cable-type 0x%x !!!\n",
  6769. copper_module_type);
  6770. return -EINVAL;
  6771. }
  6772. break;
  6773. }
  6774. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6775. phy->media_type = ETH_PHY_SFP_FIBER;
  6776. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6777. check_limiting_mode = 1;
  6778. break;
  6779. default:
  6780. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6781. val);
  6782. return -EINVAL;
  6783. }
  6784. sync_offset = params->shmem_base +
  6785. offsetof(struct shmem_region,
  6786. dev_info.port_hw_config[params->port].media_type);
  6787. media_types = REG_RD(bp, sync_offset);
  6788. /* Update media type for non-PMF sync */
  6789. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6790. if (&(params->phy[phy_idx]) == phy) {
  6791. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6792. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6793. media_types |= ((phy->media_type &
  6794. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6795. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6796. break;
  6797. }
  6798. }
  6799. REG_WR(bp, sync_offset, media_types);
  6800. if (check_limiting_mode) {
  6801. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6802. if (bnx2x_read_sfp_module_eeprom(phy,
  6803. params,
  6804. SFP_EEPROM_OPTIONS_ADDR,
  6805. SFP_EEPROM_OPTIONS_SIZE,
  6806. options) != 0) {
  6807. DP(NETIF_MSG_LINK,
  6808. "Failed to read Option field from module EEPROM\n");
  6809. return -EINVAL;
  6810. }
  6811. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6812. *edc_mode = EDC_MODE_LINEAR;
  6813. else
  6814. *edc_mode = EDC_MODE_LIMITING;
  6815. }
  6816. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6817. return 0;
  6818. }
  6819. /*
  6820. * This function read the relevant field from the module (SFP+), and verify it
  6821. * is compliant with this board
  6822. */
  6823. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6824. struct link_params *params)
  6825. {
  6826. struct bnx2x *bp = params->bp;
  6827. u32 val, cmd;
  6828. u32 fw_resp, fw_cmd_param;
  6829. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6830. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6831. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6832. val = REG_RD(bp, params->shmem_base +
  6833. offsetof(struct shmem_region, dev_info.
  6834. port_feature_config[params->port].config));
  6835. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6836. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6837. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6838. return 0;
  6839. }
  6840. if (params->feature_config_flags &
  6841. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6842. /* Use specific phy request */
  6843. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6844. } else if (params->feature_config_flags &
  6845. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6846. /* Use first phy request only in case of non-dual media*/
  6847. if (DUAL_MEDIA(params)) {
  6848. DP(NETIF_MSG_LINK,
  6849. "FW does not support OPT MDL verification\n");
  6850. return -EINVAL;
  6851. }
  6852. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6853. } else {
  6854. /* No support in OPT MDL detection */
  6855. DP(NETIF_MSG_LINK,
  6856. "FW does not support OPT MDL verification\n");
  6857. return -EINVAL;
  6858. }
  6859. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6860. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6861. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6862. DP(NETIF_MSG_LINK, "Approved module\n");
  6863. return 0;
  6864. }
  6865. /* format the warning message */
  6866. if (bnx2x_read_sfp_module_eeprom(phy,
  6867. params,
  6868. SFP_EEPROM_VENDOR_NAME_ADDR,
  6869. SFP_EEPROM_VENDOR_NAME_SIZE,
  6870. (u8 *)vendor_name))
  6871. vendor_name[0] = '\0';
  6872. else
  6873. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6874. if (bnx2x_read_sfp_module_eeprom(phy,
  6875. params,
  6876. SFP_EEPROM_PART_NO_ADDR,
  6877. SFP_EEPROM_PART_NO_SIZE,
  6878. (u8 *)vendor_pn))
  6879. vendor_pn[0] = '\0';
  6880. else
  6881. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6882. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6883. " Port %d from %s part number %s\n",
  6884. params->port, vendor_name, vendor_pn);
  6885. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6886. return -EINVAL;
  6887. }
  6888. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6889. struct link_params *params)
  6890. {
  6891. u8 val;
  6892. struct bnx2x *bp = params->bp;
  6893. u16 timeout;
  6894. /*
  6895. * Initialization time after hot-plug may take up to 300ms for
  6896. * some phys type ( e.g. JDSU )
  6897. */
  6898. for (timeout = 0; timeout < 60; timeout++) {
  6899. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6900. == 0) {
  6901. DP(NETIF_MSG_LINK,
  6902. "SFP+ module initialization took %d ms\n",
  6903. timeout * 5);
  6904. return 0;
  6905. }
  6906. msleep(5);
  6907. }
  6908. return -EINVAL;
  6909. }
  6910. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6911. struct bnx2x_phy *phy,
  6912. u8 is_power_up) {
  6913. /* Make sure GPIOs are not using for LED mode */
  6914. u16 val;
  6915. /*
  6916. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6917. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6918. * output
  6919. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6920. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6921. * where the 1st bit is the over-current(only input), and 2nd bit is
  6922. * for power( only output )
  6923. *
  6924. * In case of NOC feature is disabled and power is up, set GPIO control
  6925. * as input to enable listening of over-current indication
  6926. */
  6927. if (phy->flags & FLAGS_NOC)
  6928. return;
  6929. if (is_power_up)
  6930. val = (1<<4);
  6931. else
  6932. /*
  6933. * Set GPIO control to OUTPUT, and set the power bit
  6934. * to according to the is_power_up
  6935. */
  6936. val = (1<<1);
  6937. bnx2x_cl45_write(bp, phy,
  6938. MDIO_PMA_DEVAD,
  6939. MDIO_PMA_REG_8727_GPIO_CTRL,
  6940. val);
  6941. }
  6942. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6943. struct bnx2x_phy *phy,
  6944. u16 edc_mode)
  6945. {
  6946. u16 cur_limiting_mode;
  6947. bnx2x_cl45_read(bp, phy,
  6948. MDIO_PMA_DEVAD,
  6949. MDIO_PMA_REG_ROM_VER2,
  6950. &cur_limiting_mode);
  6951. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6952. cur_limiting_mode);
  6953. if (edc_mode == EDC_MODE_LIMITING) {
  6954. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6955. bnx2x_cl45_write(bp, phy,
  6956. MDIO_PMA_DEVAD,
  6957. MDIO_PMA_REG_ROM_VER2,
  6958. EDC_MODE_LIMITING);
  6959. } else { /* LRM mode ( default )*/
  6960. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6961. /*
  6962. * Changing to LRM mode takes quite few seconds. So do it only
  6963. * if current mode is limiting (default is LRM)
  6964. */
  6965. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6966. return 0;
  6967. bnx2x_cl45_write(bp, phy,
  6968. MDIO_PMA_DEVAD,
  6969. MDIO_PMA_REG_LRM_MODE,
  6970. 0);
  6971. bnx2x_cl45_write(bp, phy,
  6972. MDIO_PMA_DEVAD,
  6973. MDIO_PMA_REG_ROM_VER2,
  6974. 0x128);
  6975. bnx2x_cl45_write(bp, phy,
  6976. MDIO_PMA_DEVAD,
  6977. MDIO_PMA_REG_MISC_CTRL0,
  6978. 0x4008);
  6979. bnx2x_cl45_write(bp, phy,
  6980. MDIO_PMA_DEVAD,
  6981. MDIO_PMA_REG_LRM_MODE,
  6982. 0xaaaa);
  6983. }
  6984. return 0;
  6985. }
  6986. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6987. struct bnx2x_phy *phy,
  6988. u16 edc_mode)
  6989. {
  6990. u16 phy_identifier;
  6991. u16 rom_ver2_val;
  6992. bnx2x_cl45_read(bp, phy,
  6993. MDIO_PMA_DEVAD,
  6994. MDIO_PMA_REG_PHY_IDENTIFIER,
  6995. &phy_identifier);
  6996. bnx2x_cl45_write(bp, phy,
  6997. MDIO_PMA_DEVAD,
  6998. MDIO_PMA_REG_PHY_IDENTIFIER,
  6999. (phy_identifier & ~(1<<9)));
  7000. bnx2x_cl45_read(bp, phy,
  7001. MDIO_PMA_DEVAD,
  7002. MDIO_PMA_REG_ROM_VER2,
  7003. &rom_ver2_val);
  7004. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7005. bnx2x_cl45_write(bp, phy,
  7006. MDIO_PMA_DEVAD,
  7007. MDIO_PMA_REG_ROM_VER2,
  7008. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7009. bnx2x_cl45_write(bp, phy,
  7010. MDIO_PMA_DEVAD,
  7011. MDIO_PMA_REG_PHY_IDENTIFIER,
  7012. (phy_identifier | (1<<9)));
  7013. return 0;
  7014. }
  7015. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7016. struct link_params *params,
  7017. u32 action)
  7018. {
  7019. struct bnx2x *bp = params->bp;
  7020. switch (action) {
  7021. case DISABLE_TX:
  7022. bnx2x_sfp_set_transmitter(params, phy, 0);
  7023. break;
  7024. case ENABLE_TX:
  7025. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7026. bnx2x_sfp_set_transmitter(params, phy, 1);
  7027. break;
  7028. default:
  7029. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7030. action);
  7031. return;
  7032. }
  7033. }
  7034. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7035. u8 gpio_mode)
  7036. {
  7037. struct bnx2x *bp = params->bp;
  7038. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7039. offsetof(struct shmem_region,
  7040. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7041. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7042. switch (fault_led_gpio) {
  7043. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7044. return;
  7045. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7046. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7047. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7048. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7049. {
  7050. u8 gpio_port = bnx2x_get_gpio_port(params);
  7051. u16 gpio_pin = fault_led_gpio -
  7052. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7053. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7054. "pin %x port %x mode %x\n",
  7055. gpio_pin, gpio_port, gpio_mode);
  7056. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7057. }
  7058. break;
  7059. default:
  7060. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7061. fault_led_gpio);
  7062. }
  7063. }
  7064. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7065. u8 gpio_mode)
  7066. {
  7067. u32 pin_cfg;
  7068. u8 port = params->port;
  7069. struct bnx2x *bp = params->bp;
  7070. pin_cfg = (REG_RD(bp, params->shmem_base +
  7071. offsetof(struct shmem_region,
  7072. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7073. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7074. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7075. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7076. gpio_mode, pin_cfg);
  7077. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7078. }
  7079. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7080. u8 gpio_mode)
  7081. {
  7082. struct bnx2x *bp = params->bp;
  7083. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7084. if (CHIP_IS_E3(bp)) {
  7085. /*
  7086. * Low ==> if SFP+ module is supported otherwise
  7087. * High ==> if SFP+ module is not on the approved vendor list
  7088. */
  7089. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7090. } else
  7091. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7092. }
  7093. static void bnx2x_warpcore_power_module(struct link_params *params,
  7094. struct bnx2x_phy *phy,
  7095. u8 power)
  7096. {
  7097. u32 pin_cfg;
  7098. struct bnx2x *bp = params->bp;
  7099. pin_cfg = (REG_RD(bp, params->shmem_base +
  7100. offsetof(struct shmem_region,
  7101. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7102. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7103. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7104. if (pin_cfg == PIN_CFG_NA)
  7105. return;
  7106. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7107. power, pin_cfg);
  7108. /*
  7109. * Low ==> corresponding SFP+ module is powered
  7110. * high ==> the SFP+ module is powered down
  7111. */
  7112. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7113. }
  7114. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7115. struct link_params *params)
  7116. {
  7117. bnx2x_warpcore_power_module(params, phy, 0);
  7118. }
  7119. static void bnx2x_power_sfp_module(struct link_params *params,
  7120. struct bnx2x_phy *phy,
  7121. u8 power)
  7122. {
  7123. struct bnx2x *bp = params->bp;
  7124. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7125. switch (phy->type) {
  7126. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7127. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7128. bnx2x_8727_power_module(params->bp, phy, power);
  7129. break;
  7130. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7131. bnx2x_warpcore_power_module(params, phy, power);
  7132. break;
  7133. default:
  7134. break;
  7135. }
  7136. }
  7137. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7138. struct bnx2x_phy *phy,
  7139. u16 edc_mode)
  7140. {
  7141. u16 val = 0;
  7142. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7143. struct bnx2x *bp = params->bp;
  7144. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7145. /* This is a global register which controls all lanes */
  7146. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7147. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7148. val &= ~(0xf << (lane << 2));
  7149. switch (edc_mode) {
  7150. case EDC_MODE_LINEAR:
  7151. case EDC_MODE_LIMITING:
  7152. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7153. break;
  7154. case EDC_MODE_PASSIVE_DAC:
  7155. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7156. break;
  7157. default:
  7158. break;
  7159. }
  7160. val |= (mode << (lane << 2));
  7161. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7162. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7163. /* A must read */
  7164. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7165. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7166. /* Restart microcode to re-read the new mode */
  7167. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7168. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7169. }
  7170. static void bnx2x_set_limiting_mode(struct link_params *params,
  7171. struct bnx2x_phy *phy,
  7172. u16 edc_mode)
  7173. {
  7174. switch (phy->type) {
  7175. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7176. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7177. break;
  7178. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7179. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7180. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7181. break;
  7182. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7183. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7184. break;
  7185. }
  7186. }
  7187. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7188. struct link_params *params)
  7189. {
  7190. struct bnx2x *bp = params->bp;
  7191. u16 edc_mode;
  7192. int rc = 0;
  7193. u32 val = REG_RD(bp, params->shmem_base +
  7194. offsetof(struct shmem_region, dev_info.
  7195. port_feature_config[params->port].config));
  7196. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7197. params->port);
  7198. /* Power up module */
  7199. bnx2x_power_sfp_module(params, phy, 1);
  7200. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7201. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7202. return -EINVAL;
  7203. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7204. /* check SFP+ module compatibility */
  7205. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7206. rc = -EINVAL;
  7207. /* Turn on fault module-detected led */
  7208. bnx2x_set_sfp_module_fault_led(params,
  7209. MISC_REGISTERS_GPIO_HIGH);
  7210. /* Check if need to power down the SFP+ module */
  7211. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7212. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7213. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7214. bnx2x_power_sfp_module(params, phy, 0);
  7215. return rc;
  7216. }
  7217. } else {
  7218. /* Turn off fault module-detected led */
  7219. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7220. }
  7221. /*
  7222. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7223. * is done automatically
  7224. */
  7225. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7226. /*
  7227. * Enable transmit for this module if the module is approved, or
  7228. * if unapproved modules should also enable the Tx laser
  7229. */
  7230. if (rc == 0 ||
  7231. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7232. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7233. bnx2x_sfp_set_transmitter(params, phy, 1);
  7234. else
  7235. bnx2x_sfp_set_transmitter(params, phy, 0);
  7236. return rc;
  7237. }
  7238. void bnx2x_handle_module_detect_int(struct link_params *params)
  7239. {
  7240. struct bnx2x *bp = params->bp;
  7241. struct bnx2x_phy *phy;
  7242. u32 gpio_val;
  7243. u8 gpio_num, gpio_port;
  7244. if (CHIP_IS_E3(bp))
  7245. phy = &params->phy[INT_PHY];
  7246. else
  7247. phy = &params->phy[EXT_PHY1];
  7248. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7249. params->port, &gpio_num, &gpio_port) ==
  7250. -EINVAL) {
  7251. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7252. return;
  7253. }
  7254. /* Set valid module led off */
  7255. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7256. /* Get current gpio val reflecting module plugged in / out*/
  7257. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7258. /* Call the handling function in case module is detected */
  7259. if (gpio_val == 0) {
  7260. bnx2x_power_sfp_module(params, phy, 1);
  7261. bnx2x_set_gpio_int(bp, gpio_num,
  7262. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7263. gpio_port);
  7264. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7265. bnx2x_sfp_module_detection(phy, params);
  7266. else
  7267. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7268. } else {
  7269. u32 val = REG_RD(bp, params->shmem_base +
  7270. offsetof(struct shmem_region, dev_info.
  7271. port_feature_config[params->port].
  7272. config));
  7273. bnx2x_set_gpio_int(bp, gpio_num,
  7274. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7275. gpio_port);
  7276. /*
  7277. * Module was plugged out.
  7278. * Disable transmit for this module
  7279. */
  7280. phy->media_type = ETH_PHY_NOT_PRESENT;
  7281. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7282. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7283. CHIP_IS_E3(bp))
  7284. bnx2x_sfp_set_transmitter(params, phy, 0);
  7285. }
  7286. }
  7287. /******************************************************************/
  7288. /* Used by 8706 and 8727 */
  7289. /******************************************************************/
  7290. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7291. struct bnx2x_phy *phy,
  7292. u16 alarm_status_offset,
  7293. u16 alarm_ctrl_offset)
  7294. {
  7295. u16 alarm_status, val;
  7296. bnx2x_cl45_read(bp, phy,
  7297. MDIO_PMA_DEVAD, alarm_status_offset,
  7298. &alarm_status);
  7299. bnx2x_cl45_read(bp, phy,
  7300. MDIO_PMA_DEVAD, alarm_status_offset,
  7301. &alarm_status);
  7302. /* Mask or enable the fault event. */
  7303. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7304. if (alarm_status & (1<<0))
  7305. val &= ~(1<<0);
  7306. else
  7307. val |= (1<<0);
  7308. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7309. }
  7310. /******************************************************************/
  7311. /* common BCM8706/BCM8726 PHY SECTION */
  7312. /******************************************************************/
  7313. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7314. struct link_params *params,
  7315. struct link_vars *vars)
  7316. {
  7317. u8 link_up = 0;
  7318. u16 val1, val2, rx_sd, pcs_status;
  7319. struct bnx2x *bp = params->bp;
  7320. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7321. /* Clear RX Alarm*/
  7322. bnx2x_cl45_read(bp, phy,
  7323. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7324. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7325. MDIO_PMA_LASI_TXCTRL);
  7326. /* clear LASI indication*/
  7327. bnx2x_cl45_read(bp, phy,
  7328. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7329. bnx2x_cl45_read(bp, phy,
  7330. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7331. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7332. bnx2x_cl45_read(bp, phy,
  7333. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7334. bnx2x_cl45_read(bp, phy,
  7335. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7336. bnx2x_cl45_read(bp, phy,
  7337. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7338. bnx2x_cl45_read(bp, phy,
  7339. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7340. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7341. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7342. /*
  7343. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7344. * are set, or if the autoneg bit 1 is set
  7345. */
  7346. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7347. if (link_up) {
  7348. if (val2 & (1<<1))
  7349. vars->line_speed = SPEED_1000;
  7350. else
  7351. vars->line_speed = SPEED_10000;
  7352. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7353. vars->duplex = DUPLEX_FULL;
  7354. }
  7355. /* Capture 10G link fault. Read twice to clear stale value. */
  7356. if (vars->line_speed == SPEED_10000) {
  7357. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7358. MDIO_PMA_LASI_TXSTAT, &val1);
  7359. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7360. MDIO_PMA_LASI_TXSTAT, &val1);
  7361. if (val1 & (1<<0))
  7362. vars->fault_detected = 1;
  7363. }
  7364. return link_up;
  7365. }
  7366. /******************************************************************/
  7367. /* BCM8706 PHY SECTION */
  7368. /******************************************************************/
  7369. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7370. struct link_params *params,
  7371. struct link_vars *vars)
  7372. {
  7373. u32 tx_en_mode;
  7374. u16 cnt, val, tmp1;
  7375. struct bnx2x *bp = params->bp;
  7376. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7377. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7378. /* HW reset */
  7379. bnx2x_ext_phy_hw_reset(bp, params->port);
  7380. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7381. bnx2x_wait_reset_complete(bp, phy, params);
  7382. /* Wait until fw is loaded */
  7383. for (cnt = 0; cnt < 100; cnt++) {
  7384. bnx2x_cl45_read(bp, phy,
  7385. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7386. if (val)
  7387. break;
  7388. msleep(10);
  7389. }
  7390. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7391. if ((params->feature_config_flags &
  7392. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7393. u8 i;
  7394. u16 reg;
  7395. for (i = 0; i < 4; i++) {
  7396. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7397. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7398. MDIO_XS_8706_REG_BANK_RX0);
  7399. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7400. /* Clear first 3 bits of the control */
  7401. val &= ~0x7;
  7402. /* Set control bits according to configuration */
  7403. val |= (phy->rx_preemphasis[i] & 0x7);
  7404. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7405. " reg 0x%x <-- val 0x%x\n", reg, val);
  7406. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7407. }
  7408. }
  7409. /* Force speed */
  7410. if (phy->req_line_speed == SPEED_10000) {
  7411. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7412. bnx2x_cl45_write(bp, phy,
  7413. MDIO_PMA_DEVAD,
  7414. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7415. bnx2x_cl45_write(bp, phy,
  7416. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7417. 0);
  7418. /* Arm LASI for link and Tx fault. */
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7421. } else {
  7422. /* Force 1Gbps using autoneg with 1G advertisement */
  7423. /* Allow CL37 through CL73 */
  7424. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7425. bnx2x_cl45_write(bp, phy,
  7426. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7427. /* Enable Full-Duplex advertisement on CL37 */
  7428. bnx2x_cl45_write(bp, phy,
  7429. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7430. /* Enable CL37 AN */
  7431. bnx2x_cl45_write(bp, phy,
  7432. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7433. /* 1G support */
  7434. bnx2x_cl45_write(bp, phy,
  7435. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7436. /* Enable clause 73 AN */
  7437. bnx2x_cl45_write(bp, phy,
  7438. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7439. bnx2x_cl45_write(bp, phy,
  7440. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7441. 0x0400);
  7442. bnx2x_cl45_write(bp, phy,
  7443. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7444. 0x0004);
  7445. }
  7446. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7447. /*
  7448. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7449. * power mode, if TX Laser is disabled
  7450. */
  7451. tx_en_mode = REG_RD(bp, params->shmem_base +
  7452. offsetof(struct shmem_region,
  7453. dev_info.port_hw_config[params->port].sfp_ctrl))
  7454. & PORT_HW_CFG_TX_LASER_MASK;
  7455. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7456. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7457. bnx2x_cl45_read(bp, phy,
  7458. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7459. tmp1 |= 0x1;
  7460. bnx2x_cl45_write(bp, phy,
  7461. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7462. }
  7463. return 0;
  7464. }
  7465. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7466. struct link_params *params,
  7467. struct link_vars *vars)
  7468. {
  7469. return bnx2x_8706_8726_read_status(phy, params, vars);
  7470. }
  7471. /******************************************************************/
  7472. /* BCM8726 PHY SECTION */
  7473. /******************************************************************/
  7474. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7475. struct link_params *params)
  7476. {
  7477. struct bnx2x *bp = params->bp;
  7478. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7479. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7480. }
  7481. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7482. struct link_params *params)
  7483. {
  7484. struct bnx2x *bp = params->bp;
  7485. /* Need to wait 100ms after reset */
  7486. msleep(100);
  7487. /* Micro controller re-boot */
  7488. bnx2x_cl45_write(bp, phy,
  7489. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7490. /* Set soft reset */
  7491. bnx2x_cl45_write(bp, phy,
  7492. MDIO_PMA_DEVAD,
  7493. MDIO_PMA_REG_GEN_CTRL,
  7494. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7495. bnx2x_cl45_write(bp, phy,
  7496. MDIO_PMA_DEVAD,
  7497. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7498. bnx2x_cl45_write(bp, phy,
  7499. MDIO_PMA_DEVAD,
  7500. MDIO_PMA_REG_GEN_CTRL,
  7501. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7502. /* wait for 150ms for microcode load */
  7503. msleep(150);
  7504. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7505. bnx2x_cl45_write(bp, phy,
  7506. MDIO_PMA_DEVAD,
  7507. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7508. msleep(200);
  7509. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7510. }
  7511. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7512. struct link_params *params,
  7513. struct link_vars *vars)
  7514. {
  7515. struct bnx2x *bp = params->bp;
  7516. u16 val1;
  7517. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7518. if (link_up) {
  7519. bnx2x_cl45_read(bp, phy,
  7520. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7521. &val1);
  7522. if (val1 & (1<<15)) {
  7523. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7524. link_up = 0;
  7525. vars->line_speed = 0;
  7526. }
  7527. }
  7528. return link_up;
  7529. }
  7530. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7531. struct link_params *params,
  7532. struct link_vars *vars)
  7533. {
  7534. struct bnx2x *bp = params->bp;
  7535. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7536. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7537. bnx2x_wait_reset_complete(bp, phy, params);
  7538. bnx2x_8726_external_rom_boot(phy, params);
  7539. /*
  7540. * Need to call module detected on initialization since the module
  7541. * detection triggered by actual module insertion might occur before
  7542. * driver is loaded, and when driver is loaded, it reset all
  7543. * registers, including the transmitter
  7544. */
  7545. bnx2x_sfp_module_detection(phy, params);
  7546. if (phy->req_line_speed == SPEED_1000) {
  7547. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7548. bnx2x_cl45_write(bp, phy,
  7549. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7550. bnx2x_cl45_write(bp, phy,
  7551. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7552. bnx2x_cl45_write(bp, phy,
  7553. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7554. bnx2x_cl45_write(bp, phy,
  7555. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7556. 0x400);
  7557. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7558. (phy->speed_cap_mask &
  7559. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7560. ((phy->speed_cap_mask &
  7561. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7562. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7563. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7564. /* Set Flow control */
  7565. bnx2x_ext_phy_set_pause(params, phy, vars);
  7566. bnx2x_cl45_write(bp, phy,
  7567. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7568. bnx2x_cl45_write(bp, phy,
  7569. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7570. bnx2x_cl45_write(bp, phy,
  7571. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7572. bnx2x_cl45_write(bp, phy,
  7573. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7574. bnx2x_cl45_write(bp, phy,
  7575. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7576. /*
  7577. * Enable RX-ALARM control to receive interrupt for 1G speed
  7578. * change
  7579. */
  7580. bnx2x_cl45_write(bp, phy,
  7581. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7582. bnx2x_cl45_write(bp, phy,
  7583. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7584. 0x400);
  7585. } else { /* Default 10G. Set only LASI control */
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7588. }
  7589. /* Set TX PreEmphasis if needed */
  7590. if ((params->feature_config_flags &
  7591. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7592. DP(NETIF_MSG_LINK,
  7593. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7594. phy->tx_preemphasis[0],
  7595. phy->tx_preemphasis[1]);
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_PMA_DEVAD,
  7598. MDIO_PMA_REG_8726_TX_CTRL1,
  7599. phy->tx_preemphasis[0]);
  7600. bnx2x_cl45_write(bp, phy,
  7601. MDIO_PMA_DEVAD,
  7602. MDIO_PMA_REG_8726_TX_CTRL2,
  7603. phy->tx_preemphasis[1]);
  7604. }
  7605. return 0;
  7606. }
  7607. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7608. struct link_params *params)
  7609. {
  7610. struct bnx2x *bp = params->bp;
  7611. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7612. /* Set serial boot control for external load */
  7613. bnx2x_cl45_write(bp, phy,
  7614. MDIO_PMA_DEVAD,
  7615. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7616. }
  7617. /******************************************************************/
  7618. /* BCM8727 PHY SECTION */
  7619. /******************************************************************/
  7620. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7621. struct link_params *params, u8 mode)
  7622. {
  7623. struct bnx2x *bp = params->bp;
  7624. u16 led_mode_bitmask = 0;
  7625. u16 gpio_pins_bitmask = 0;
  7626. u16 val;
  7627. /* Only NOC flavor requires to set the LED specifically */
  7628. if (!(phy->flags & FLAGS_NOC))
  7629. return;
  7630. switch (mode) {
  7631. case LED_MODE_FRONT_PANEL_OFF:
  7632. case LED_MODE_OFF:
  7633. led_mode_bitmask = 0;
  7634. gpio_pins_bitmask = 0x03;
  7635. break;
  7636. case LED_MODE_ON:
  7637. led_mode_bitmask = 0;
  7638. gpio_pins_bitmask = 0x02;
  7639. break;
  7640. case LED_MODE_OPER:
  7641. led_mode_bitmask = 0x60;
  7642. gpio_pins_bitmask = 0x11;
  7643. break;
  7644. }
  7645. bnx2x_cl45_read(bp, phy,
  7646. MDIO_PMA_DEVAD,
  7647. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7648. &val);
  7649. val &= 0xff8f;
  7650. val |= led_mode_bitmask;
  7651. bnx2x_cl45_write(bp, phy,
  7652. MDIO_PMA_DEVAD,
  7653. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7654. val);
  7655. bnx2x_cl45_read(bp, phy,
  7656. MDIO_PMA_DEVAD,
  7657. MDIO_PMA_REG_8727_GPIO_CTRL,
  7658. &val);
  7659. val &= 0xffe0;
  7660. val |= gpio_pins_bitmask;
  7661. bnx2x_cl45_write(bp, phy,
  7662. MDIO_PMA_DEVAD,
  7663. MDIO_PMA_REG_8727_GPIO_CTRL,
  7664. val);
  7665. }
  7666. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7667. struct link_params *params) {
  7668. u32 swap_val, swap_override;
  7669. u8 port;
  7670. /*
  7671. * The PHY reset is controlled by GPIO 1. Fake the port number
  7672. * to cancel the swap done in set_gpio()
  7673. */
  7674. struct bnx2x *bp = params->bp;
  7675. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7676. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7677. port = (swap_val && swap_override) ^ 1;
  7678. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7679. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7680. }
  7681. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7682. struct link_params *params,
  7683. struct link_vars *vars)
  7684. {
  7685. u32 tx_en_mode;
  7686. u16 tmp1, val, mod_abs, tmp2;
  7687. u16 rx_alarm_ctrl_val;
  7688. u16 lasi_ctrl_val;
  7689. struct bnx2x *bp = params->bp;
  7690. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7691. bnx2x_wait_reset_complete(bp, phy, params);
  7692. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7693. /* Should be 0x6 to enable XS on Tx side. */
  7694. lasi_ctrl_val = 0x0006;
  7695. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7696. /* enable LASI */
  7697. bnx2x_cl45_write(bp, phy,
  7698. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7699. rx_alarm_ctrl_val);
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7702. 0);
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7705. /*
  7706. * Initially configure MOD_ABS to interrupt when module is
  7707. * presence( bit 8)
  7708. */
  7709. bnx2x_cl45_read(bp, phy,
  7710. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7711. /*
  7712. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7713. * When the EDC is off it locks onto a reference clock and avoids
  7714. * becoming 'lost'
  7715. */
  7716. mod_abs &= ~(1<<8);
  7717. if (!(phy->flags & FLAGS_NOC))
  7718. mod_abs &= ~(1<<9);
  7719. bnx2x_cl45_write(bp, phy,
  7720. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7721. /* Enable/Disable PHY transmitter output */
  7722. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7723. /* Make MOD_ABS give interrupt on change */
  7724. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7725. &val);
  7726. val |= (1<<12);
  7727. if (phy->flags & FLAGS_NOC)
  7728. val |= (3<<5);
  7729. /*
  7730. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7731. * status which reflect SFP+ module over-current
  7732. */
  7733. if (!(phy->flags & FLAGS_NOC))
  7734. val &= 0xff8f; /* Reset bits 4-6 */
  7735. bnx2x_cl45_write(bp, phy,
  7736. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7737. bnx2x_8727_power_module(bp, phy, 1);
  7738. bnx2x_cl45_read(bp, phy,
  7739. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7740. bnx2x_cl45_read(bp, phy,
  7741. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7742. /* Set option 1G speed */
  7743. if (phy->req_line_speed == SPEED_1000) {
  7744. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7745. bnx2x_cl45_write(bp, phy,
  7746. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7747. bnx2x_cl45_write(bp, phy,
  7748. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7749. bnx2x_cl45_read(bp, phy,
  7750. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7751. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7752. /*
  7753. * Power down the XAUI until link is up in case of dual-media
  7754. * and 1G
  7755. */
  7756. if (DUAL_MEDIA(params)) {
  7757. bnx2x_cl45_read(bp, phy,
  7758. MDIO_PMA_DEVAD,
  7759. MDIO_PMA_REG_8727_PCS_GP, &val);
  7760. val |= (3<<10);
  7761. bnx2x_cl45_write(bp, phy,
  7762. MDIO_PMA_DEVAD,
  7763. MDIO_PMA_REG_8727_PCS_GP, val);
  7764. }
  7765. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7766. ((phy->speed_cap_mask &
  7767. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7768. ((phy->speed_cap_mask &
  7769. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7770. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7771. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7772. bnx2x_cl45_write(bp, phy,
  7773. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7774. bnx2x_cl45_write(bp, phy,
  7775. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7776. } else {
  7777. /*
  7778. * Since the 8727 has only single reset pin, need to set the 10G
  7779. * registers although it is default
  7780. */
  7781. bnx2x_cl45_write(bp, phy,
  7782. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7783. 0x0020);
  7784. bnx2x_cl45_write(bp, phy,
  7785. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7788. bnx2x_cl45_write(bp, phy,
  7789. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7790. 0x0008);
  7791. }
  7792. /*
  7793. * Set 2-wire transfer rate of SFP+ module EEPROM
  7794. * to 100Khz since some DACs(direct attached cables) do
  7795. * not work at 400Khz.
  7796. */
  7797. bnx2x_cl45_write(bp, phy,
  7798. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7799. 0xa001);
  7800. /* Set TX PreEmphasis if needed */
  7801. if ((params->feature_config_flags &
  7802. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7803. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7804. phy->tx_preemphasis[0],
  7805. phy->tx_preemphasis[1]);
  7806. bnx2x_cl45_write(bp, phy,
  7807. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7808. phy->tx_preemphasis[0]);
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7811. phy->tx_preemphasis[1]);
  7812. }
  7813. /*
  7814. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7815. * power mode, if TX Laser is disabled
  7816. */
  7817. tx_en_mode = REG_RD(bp, params->shmem_base +
  7818. offsetof(struct shmem_region,
  7819. dev_info.port_hw_config[params->port].sfp_ctrl))
  7820. & PORT_HW_CFG_TX_LASER_MASK;
  7821. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7822. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7823. bnx2x_cl45_read(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7825. tmp2 |= 0x1000;
  7826. tmp2 &= 0xFFEF;
  7827. bnx2x_cl45_write(bp, phy,
  7828. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7829. }
  7830. return 0;
  7831. }
  7832. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7833. struct link_params *params)
  7834. {
  7835. struct bnx2x *bp = params->bp;
  7836. u16 mod_abs, rx_alarm_status;
  7837. u32 val = REG_RD(bp, params->shmem_base +
  7838. offsetof(struct shmem_region, dev_info.
  7839. port_feature_config[params->port].
  7840. config));
  7841. bnx2x_cl45_read(bp, phy,
  7842. MDIO_PMA_DEVAD,
  7843. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7844. if (mod_abs & (1<<8)) {
  7845. /* Module is absent */
  7846. DP(NETIF_MSG_LINK,
  7847. "MOD_ABS indication show module is absent\n");
  7848. phy->media_type = ETH_PHY_NOT_PRESENT;
  7849. /*
  7850. * 1. Set mod_abs to detect next module
  7851. * presence event
  7852. * 2. Set EDC off by setting OPTXLOS signal input to low
  7853. * (bit 9).
  7854. * When the EDC is off it locks onto a reference clock and
  7855. * avoids becoming 'lost'.
  7856. */
  7857. mod_abs &= ~(1<<8);
  7858. if (!(phy->flags & FLAGS_NOC))
  7859. mod_abs &= ~(1<<9);
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD,
  7862. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7863. /*
  7864. * Clear RX alarm since it stays up as long as
  7865. * the mod_abs wasn't changed
  7866. */
  7867. bnx2x_cl45_read(bp, phy,
  7868. MDIO_PMA_DEVAD,
  7869. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7870. } else {
  7871. /* Module is present */
  7872. DP(NETIF_MSG_LINK,
  7873. "MOD_ABS indication show module is present\n");
  7874. /*
  7875. * First disable transmitter, and if the module is ok, the
  7876. * module_detection will enable it
  7877. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7878. * 2. Restore the default polarity of the OPRXLOS signal and
  7879. * this signal will then correctly indicate the presence or
  7880. * absence of the Rx signal. (bit 9)
  7881. */
  7882. mod_abs |= (1<<8);
  7883. if (!(phy->flags & FLAGS_NOC))
  7884. mod_abs |= (1<<9);
  7885. bnx2x_cl45_write(bp, phy,
  7886. MDIO_PMA_DEVAD,
  7887. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7888. /*
  7889. * Clear RX alarm since it stays up as long as the mod_abs
  7890. * wasn't changed. This is need to be done before calling the
  7891. * module detection, otherwise it will clear* the link update
  7892. * alarm
  7893. */
  7894. bnx2x_cl45_read(bp, phy,
  7895. MDIO_PMA_DEVAD,
  7896. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7897. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7898. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7899. bnx2x_sfp_set_transmitter(params, phy, 0);
  7900. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7901. bnx2x_sfp_module_detection(phy, params);
  7902. else
  7903. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7904. }
  7905. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7906. rx_alarm_status);
  7907. /* No need to check link status in case of module plugged in/out */
  7908. }
  7909. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7910. struct link_params *params,
  7911. struct link_vars *vars)
  7912. {
  7913. struct bnx2x *bp = params->bp;
  7914. u8 link_up = 0, oc_port = params->port;
  7915. u16 link_status = 0;
  7916. u16 rx_alarm_status, lasi_ctrl, val1;
  7917. /* If PHY is not initialized, do not check link status */
  7918. bnx2x_cl45_read(bp, phy,
  7919. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7920. &lasi_ctrl);
  7921. if (!lasi_ctrl)
  7922. return 0;
  7923. /* Check the LASI on Rx */
  7924. bnx2x_cl45_read(bp, phy,
  7925. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7926. &rx_alarm_status);
  7927. vars->line_speed = 0;
  7928. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7929. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7930. MDIO_PMA_LASI_TXCTRL);
  7931. bnx2x_cl45_read(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7933. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7934. /* Clear MSG-OUT */
  7935. bnx2x_cl45_read(bp, phy,
  7936. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7937. /*
  7938. * If a module is present and there is need to check
  7939. * for over current
  7940. */
  7941. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7942. /* Check over-current using 8727 GPIO0 input*/
  7943. bnx2x_cl45_read(bp, phy,
  7944. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7945. &val1);
  7946. if ((val1 & (1<<8)) == 0) {
  7947. if (!CHIP_IS_E1x(bp))
  7948. oc_port = BP_PATH(bp) + (params->port << 1);
  7949. DP(NETIF_MSG_LINK,
  7950. "8727 Power fault has been detected on port %d\n",
  7951. oc_port);
  7952. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7953. " been detected and the power to "
  7954. "that SFP+ module has been removed"
  7955. " to prevent failure of the card."
  7956. " Please remove the SFP+ module and"
  7957. " restart the system to clear this"
  7958. " error.\n",
  7959. oc_port);
  7960. /* Disable all RX_ALARMs except for mod_abs */
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD,
  7963. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7964. bnx2x_cl45_read(bp, phy,
  7965. MDIO_PMA_DEVAD,
  7966. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7967. /* Wait for module_absent_event */
  7968. val1 |= (1<<8);
  7969. bnx2x_cl45_write(bp, phy,
  7970. MDIO_PMA_DEVAD,
  7971. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7972. /* Clear RX alarm */
  7973. bnx2x_cl45_read(bp, phy,
  7974. MDIO_PMA_DEVAD,
  7975. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7976. return 0;
  7977. }
  7978. } /* Over current check */
  7979. /* When module absent bit is set, check module */
  7980. if (rx_alarm_status & (1<<5)) {
  7981. bnx2x_8727_handle_mod_abs(phy, params);
  7982. /* Enable all mod_abs and link detection bits */
  7983. bnx2x_cl45_write(bp, phy,
  7984. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7985. ((1<<5) | (1<<2)));
  7986. }
  7987. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7988. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7989. /* If transmitter is disabled, ignore false link up indication */
  7990. bnx2x_cl45_read(bp, phy,
  7991. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7992. if (val1 & (1<<15)) {
  7993. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7994. return 0;
  7995. }
  7996. bnx2x_cl45_read(bp, phy,
  7997. MDIO_PMA_DEVAD,
  7998. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7999. /*
  8000. * Bits 0..2 --> speed detected,
  8001. * Bits 13..15--> link is down
  8002. */
  8003. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8004. link_up = 1;
  8005. vars->line_speed = SPEED_10000;
  8006. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8007. params->port);
  8008. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8009. link_up = 1;
  8010. vars->line_speed = SPEED_1000;
  8011. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8012. params->port);
  8013. } else {
  8014. link_up = 0;
  8015. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8016. params->port);
  8017. }
  8018. /* Capture 10G link fault. */
  8019. if (vars->line_speed == SPEED_10000) {
  8020. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8021. MDIO_PMA_LASI_TXSTAT, &val1);
  8022. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8023. MDIO_PMA_LASI_TXSTAT, &val1);
  8024. if (val1 & (1<<0)) {
  8025. vars->fault_detected = 1;
  8026. }
  8027. }
  8028. if (link_up) {
  8029. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8030. vars->duplex = DUPLEX_FULL;
  8031. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8032. }
  8033. if ((DUAL_MEDIA(params)) &&
  8034. (phy->req_line_speed == SPEED_1000)) {
  8035. bnx2x_cl45_read(bp, phy,
  8036. MDIO_PMA_DEVAD,
  8037. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8038. /*
  8039. * In case of dual-media board and 1G, power up the XAUI side,
  8040. * otherwise power it down. For 10G it is done automatically
  8041. */
  8042. if (link_up)
  8043. val1 &= ~(3<<10);
  8044. else
  8045. val1 |= (3<<10);
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_8727_PCS_GP, val1);
  8049. }
  8050. return link_up;
  8051. }
  8052. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8053. struct link_params *params)
  8054. {
  8055. struct bnx2x *bp = params->bp;
  8056. /* Enable/Disable PHY transmitter output */
  8057. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8058. /* Disable Transmitter */
  8059. bnx2x_sfp_set_transmitter(params, phy, 0);
  8060. /* Clear LASI */
  8061. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8062. }
  8063. /******************************************************************/
  8064. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8065. /******************************************************************/
  8066. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8067. struct link_params *params)
  8068. {
  8069. u16 val, fw_ver1, fw_ver2, cnt;
  8070. u8 port;
  8071. struct bnx2x *bp = params->bp;
  8072. port = params->port;
  8073. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8074. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8075. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8076. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8077. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8078. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8079. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8080. for (cnt = 0; cnt < 100; cnt++) {
  8081. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8082. if (val & 1)
  8083. break;
  8084. udelay(5);
  8085. }
  8086. if (cnt == 100) {
  8087. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8088. bnx2x_save_spirom_version(bp, port, 0,
  8089. phy->ver_addr);
  8090. return;
  8091. }
  8092. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8093. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8094. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8095. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8096. for (cnt = 0; cnt < 100; cnt++) {
  8097. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8098. if (val & 1)
  8099. break;
  8100. udelay(5);
  8101. }
  8102. if (cnt == 100) {
  8103. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8104. bnx2x_save_spirom_version(bp, port, 0,
  8105. phy->ver_addr);
  8106. return;
  8107. }
  8108. /* lower 16 bits of the register SPI_FW_STATUS */
  8109. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8110. /* upper 16 bits of register SPI_FW_STATUS */
  8111. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8112. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8113. phy->ver_addr);
  8114. }
  8115. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8116. struct bnx2x_phy *phy)
  8117. {
  8118. u16 val;
  8119. /* PHYC_CTL_LED_CTL */
  8120. bnx2x_cl45_read(bp, phy,
  8121. MDIO_PMA_DEVAD,
  8122. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8123. val &= 0xFE00;
  8124. val |= 0x0092;
  8125. bnx2x_cl45_write(bp, phy,
  8126. MDIO_PMA_DEVAD,
  8127. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8128. bnx2x_cl45_write(bp, phy,
  8129. MDIO_PMA_DEVAD,
  8130. MDIO_PMA_REG_8481_LED1_MASK,
  8131. 0x80);
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_PMA_DEVAD,
  8134. MDIO_PMA_REG_8481_LED2_MASK,
  8135. 0x18);
  8136. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8137. bnx2x_cl45_write(bp, phy,
  8138. MDIO_PMA_DEVAD,
  8139. MDIO_PMA_REG_8481_LED3_MASK,
  8140. 0x0006);
  8141. /* Select the closest activity blink rate to that in 10/100/1000 */
  8142. bnx2x_cl45_write(bp, phy,
  8143. MDIO_PMA_DEVAD,
  8144. MDIO_PMA_REG_8481_LED3_BLINK,
  8145. 0);
  8146. bnx2x_cl45_read(bp, phy,
  8147. MDIO_PMA_DEVAD,
  8148. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8149. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8150. bnx2x_cl45_write(bp, phy,
  8151. MDIO_PMA_DEVAD,
  8152. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8153. /* 'Interrupt Mask' */
  8154. bnx2x_cl45_write(bp, phy,
  8155. MDIO_AN_DEVAD,
  8156. 0xFFFB, 0xFFFD);
  8157. }
  8158. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8159. struct link_params *params,
  8160. struct link_vars *vars)
  8161. {
  8162. struct bnx2x *bp = params->bp;
  8163. u16 autoneg_val, an_1000_val, an_10_100_val;
  8164. u16 tmp_req_line_speed;
  8165. tmp_req_line_speed = phy->req_line_speed;
  8166. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8167. if (phy->req_line_speed == SPEED_10000)
  8168. phy->req_line_speed = SPEED_AUTO_NEG;
  8169. /*
  8170. * This phy uses the NIG latch mechanism since link indication
  8171. * arrives through its LED4 and not via its LASI signal, so we
  8172. * get steady signal instead of clear on read
  8173. */
  8174. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8175. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8176. bnx2x_cl45_write(bp, phy,
  8177. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8178. bnx2x_848xx_set_led(bp, phy);
  8179. /* set 1000 speed advertisement */
  8180. bnx2x_cl45_read(bp, phy,
  8181. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8182. &an_1000_val);
  8183. bnx2x_ext_phy_set_pause(params, phy, vars);
  8184. bnx2x_cl45_read(bp, phy,
  8185. MDIO_AN_DEVAD,
  8186. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8187. &an_10_100_val);
  8188. bnx2x_cl45_read(bp, phy,
  8189. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8190. &autoneg_val);
  8191. /* Disable forced speed */
  8192. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8193. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8194. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8195. (phy->speed_cap_mask &
  8196. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8197. (phy->req_line_speed == SPEED_1000)) {
  8198. an_1000_val |= (1<<8);
  8199. autoneg_val |= (1<<9 | 1<<12);
  8200. if (phy->req_duplex == DUPLEX_FULL)
  8201. an_1000_val |= (1<<9);
  8202. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8203. } else
  8204. an_1000_val &= ~((1<<8) | (1<<9));
  8205. bnx2x_cl45_write(bp, phy,
  8206. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8207. an_1000_val);
  8208. /* set 100 speed advertisement */
  8209. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8210. (phy->speed_cap_mask &
  8211. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8212. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8213. (phy->supported &
  8214. (SUPPORTED_100baseT_Half |
  8215. SUPPORTED_100baseT_Full)))) {
  8216. an_10_100_val |= (1<<7);
  8217. /* Enable autoneg and restart autoneg for legacy speeds */
  8218. autoneg_val |= (1<<9 | 1<<12);
  8219. if (phy->req_duplex == DUPLEX_FULL)
  8220. an_10_100_val |= (1<<8);
  8221. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8222. }
  8223. /* set 10 speed advertisement */
  8224. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8225. (phy->speed_cap_mask &
  8226. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8227. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8228. (phy->supported &
  8229. (SUPPORTED_10baseT_Half |
  8230. SUPPORTED_10baseT_Full)))) {
  8231. an_10_100_val |= (1<<5);
  8232. autoneg_val |= (1<<9 | 1<<12);
  8233. if (phy->req_duplex == DUPLEX_FULL)
  8234. an_10_100_val |= (1<<6);
  8235. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8236. }
  8237. /* Only 10/100 are allowed to work in FORCE mode */
  8238. if ((phy->req_line_speed == SPEED_100) &&
  8239. (phy->supported &
  8240. (SUPPORTED_100baseT_Half |
  8241. SUPPORTED_100baseT_Full))) {
  8242. autoneg_val |= (1<<13);
  8243. /* Enabled AUTO-MDIX when autoneg is disabled */
  8244. bnx2x_cl45_write(bp, phy,
  8245. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8246. (1<<15 | 1<<9 | 7<<0));
  8247. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8248. }
  8249. if ((phy->req_line_speed == SPEED_10) &&
  8250. (phy->supported &
  8251. (SUPPORTED_10baseT_Half |
  8252. SUPPORTED_10baseT_Full))) {
  8253. /* Enabled AUTO-MDIX when autoneg is disabled */
  8254. bnx2x_cl45_write(bp, phy,
  8255. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8256. (1<<15 | 1<<9 | 7<<0));
  8257. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8258. }
  8259. bnx2x_cl45_write(bp, phy,
  8260. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8261. an_10_100_val);
  8262. if (phy->req_duplex == DUPLEX_FULL)
  8263. autoneg_val |= (1<<8);
  8264. /*
  8265. * Always write this if this is not 84833.
  8266. * For 84833, write it only when it's a forced speed.
  8267. */
  8268. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8269. ((autoneg_val & (1<<12)) == 0))
  8270. bnx2x_cl45_write(bp, phy,
  8271. MDIO_AN_DEVAD,
  8272. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8273. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8274. (phy->speed_cap_mask &
  8275. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8276. (phy->req_line_speed == SPEED_10000)) {
  8277. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8278. /* Restart autoneg for 10G*/
  8279. bnx2x_cl45_write(bp, phy,
  8280. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8281. 0x3200);
  8282. } else
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_AN_DEVAD,
  8285. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8286. 1);
  8287. /* Save spirom version */
  8288. bnx2x_save_848xx_spirom_version(phy, params);
  8289. phy->req_line_speed = tmp_req_line_speed;
  8290. return 0;
  8291. }
  8292. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8293. struct link_params *params,
  8294. struct link_vars *vars)
  8295. {
  8296. struct bnx2x *bp = params->bp;
  8297. /* Restore normal power mode*/
  8298. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8299. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8300. /* HW reset */
  8301. bnx2x_ext_phy_hw_reset(bp, params->port);
  8302. bnx2x_wait_reset_complete(bp, phy, params);
  8303. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8304. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8305. }
  8306. #define PHY84833_HDSHK_WAIT 300
  8307. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8308. struct link_params *params,
  8309. struct link_vars *vars)
  8310. {
  8311. u32 idx;
  8312. u32 pair_swap;
  8313. u16 val;
  8314. u16 data;
  8315. struct bnx2x *bp = params->bp;
  8316. /* Do pair swap */
  8317. /* Check for configuration. */
  8318. pair_swap = REG_RD(bp, params->shmem_base +
  8319. offsetof(struct shmem_region,
  8320. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8321. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8322. if (pair_swap == 0)
  8323. return 0;
  8324. data = (u16)pair_swap;
  8325. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8326. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8327. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8328. PHY84833_CMD_OPEN_OVERRIDE);
  8329. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8330. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8331. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8332. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8333. break;
  8334. msleep(1);
  8335. }
  8336. if (idx >= PHY84833_HDSHK_WAIT) {
  8337. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8338. return -EINVAL;
  8339. }
  8340. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8341. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8342. data);
  8343. /* Issue pair swap command */
  8344. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8345. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8346. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8347. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8348. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8349. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8350. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8351. (val == PHY84833_CMD_COMPLETE_ERROR))
  8352. break;
  8353. msleep(1);
  8354. }
  8355. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8356. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8357. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8358. return -EINVAL;
  8359. }
  8360. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8361. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8362. PHY84833_CMD_CLEAR_COMPLETE);
  8363. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8364. return 0;
  8365. }
  8366. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8367. u32 shmem_base_path[],
  8368. u32 chip_id)
  8369. {
  8370. u32 reset_pin[2];
  8371. u32 idx;
  8372. u8 reset_gpios;
  8373. if (CHIP_IS_E3(bp)) {
  8374. /* Assume that these will be GPIOs, not EPIOs. */
  8375. for (idx = 0; idx < 2; idx++) {
  8376. /* Map config param to register bit. */
  8377. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8378. offsetof(struct shmem_region,
  8379. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8380. reset_pin[idx] = (reset_pin[idx] &
  8381. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8382. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8383. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8384. reset_pin[idx] = (1 << reset_pin[idx]);
  8385. }
  8386. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8387. } else {
  8388. /* E2, look from diff place of shmem. */
  8389. for (idx = 0; idx < 2; idx++) {
  8390. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8391. offsetof(struct shmem_region,
  8392. dev_info.port_hw_config[0].default_cfg));
  8393. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8394. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8395. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8396. reset_pin[idx] = (1 << reset_pin[idx]);
  8397. }
  8398. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8399. }
  8400. return reset_gpios;
  8401. }
  8402. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8403. struct link_params *params)
  8404. {
  8405. struct bnx2x *bp = params->bp;
  8406. u8 reset_gpios;
  8407. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8408. offsetof(struct shmem2_region,
  8409. other_shmem_base_addr));
  8410. u32 shmem_base_path[2];
  8411. shmem_base_path[0] = params->shmem_base;
  8412. shmem_base_path[1] = other_shmem_base_addr;
  8413. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8414. params->chip_id);
  8415. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8416. udelay(10);
  8417. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8418. reset_gpios);
  8419. return 0;
  8420. }
  8421. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8422. u32 shmem_base_path[],
  8423. u32 chip_id)
  8424. {
  8425. u8 reset_gpios;
  8426. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8427. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8428. udelay(10);
  8429. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8430. msleep(800);
  8431. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8432. reset_gpios);
  8433. return 0;
  8434. }
  8435. #define PHY84833_CONSTANT_LATENCY 1193
  8436. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8437. struct link_params *params,
  8438. struct link_vars *vars)
  8439. {
  8440. struct bnx2x *bp = params->bp;
  8441. u8 port, initialize = 1;
  8442. u16 val;
  8443. u16 temp;
  8444. u32 actual_phy_selection, cms_enable, idx;
  8445. int rc = 0;
  8446. msleep(1);
  8447. if (!(CHIP_IS_E1(bp)))
  8448. port = BP_PATH(bp);
  8449. else
  8450. port = params->port;
  8451. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8452. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8453. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8454. port);
  8455. } else {
  8456. /* MDIO reset */
  8457. bnx2x_cl45_write(bp, phy,
  8458. MDIO_PMA_DEVAD,
  8459. MDIO_PMA_REG_CTRL, 0x8000);
  8460. /* Bring PHY out of super isolate mode */
  8461. bnx2x_cl45_read(bp, phy,
  8462. MDIO_CTL_DEVAD,
  8463. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8464. val &= ~MDIO_84833_SUPER_ISOLATE;
  8465. bnx2x_cl45_write(bp, phy,
  8466. MDIO_CTL_DEVAD,
  8467. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8468. }
  8469. bnx2x_wait_reset_complete(bp, phy, params);
  8470. /* Wait for GPHY to come out of reset */
  8471. msleep(50);
  8472. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8473. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8474. /*
  8475. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8476. */
  8477. temp = vars->line_speed;
  8478. vars->line_speed = SPEED_10000;
  8479. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8480. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8481. vars->line_speed = temp;
  8482. /* Set dual-media configuration according to configuration */
  8483. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8484. MDIO_CTL_REG_84823_MEDIA, &val);
  8485. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8486. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8487. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8488. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8489. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8490. if (CHIP_IS_E3(bp)) {
  8491. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8492. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8493. } else {
  8494. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8495. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8496. }
  8497. actual_phy_selection = bnx2x_phy_selection(params);
  8498. switch (actual_phy_selection) {
  8499. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8500. /* Do nothing. Essentially this is like the priority copper */
  8501. break;
  8502. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8503. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8504. break;
  8505. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8506. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8507. break;
  8508. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8509. /* Do nothing here. The first PHY won't be initialized at all */
  8510. break;
  8511. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8512. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8513. initialize = 0;
  8514. break;
  8515. }
  8516. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8517. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8518. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8519. MDIO_CTL_REG_84823_MEDIA, val);
  8520. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8521. params->multi_phy_config, val);
  8522. /* AutogrEEEn */
  8523. if (params->feature_config_flags &
  8524. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8525. /* Ensure that f/w is ready */
  8526. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8527. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8528. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8529. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8530. break;
  8531. usleep_range(1000, 1000);
  8532. }
  8533. if (idx >= PHY84833_HDSHK_WAIT) {
  8534. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8535. return -EINVAL;
  8536. }
  8537. /* Select EEE mode */
  8538. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8539. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8540. 0x2);
  8541. /* Set Idle and Latency */
  8542. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8543. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8544. PHY84833_CONSTANT_LATENCY + 1);
  8545. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8546. MDIO_84833_TOP_CFG_DATA3_REG,
  8547. PHY84833_CONSTANT_LATENCY + 1);
  8548. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8549. MDIO_84833_TOP_CFG_DATA4_REG,
  8550. PHY84833_CONSTANT_LATENCY);
  8551. /* Send EEE instruction to command register */
  8552. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8553. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8554. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8555. /* Ensure that the command has completed */
  8556. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8557. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8558. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8559. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8560. (val == PHY84833_CMD_COMPLETE_ERROR))
  8561. break;
  8562. usleep_range(1000, 1000);
  8563. }
  8564. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8565. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8566. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8567. return -EINVAL;
  8568. }
  8569. /* Reset command handler */
  8570. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8571. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8572. PHY84833_CMD_CLEAR_COMPLETE);
  8573. }
  8574. if (initialize)
  8575. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8576. else
  8577. bnx2x_save_848xx_spirom_version(phy, params);
  8578. /* 84833 PHY has a better feature and doesn't need to support this. */
  8579. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8580. cms_enable = REG_RD(bp, params->shmem_base +
  8581. offsetof(struct shmem_region,
  8582. dev_info.port_hw_config[params->port].default_cfg)) &
  8583. PORT_HW_CFG_ENABLE_CMS_MASK;
  8584. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8585. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8586. if (cms_enable)
  8587. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8588. else
  8589. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8590. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8591. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8592. }
  8593. return rc;
  8594. }
  8595. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8596. struct link_params *params,
  8597. struct link_vars *vars)
  8598. {
  8599. struct bnx2x *bp = params->bp;
  8600. u16 val, val1, val2;
  8601. u8 link_up = 0;
  8602. /* Check 10G-BaseT link status */
  8603. /* Check PMD signal ok */
  8604. bnx2x_cl45_read(bp, phy,
  8605. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8606. bnx2x_cl45_read(bp, phy,
  8607. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8608. &val2);
  8609. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8610. /* Check link 10G */
  8611. if (val2 & (1<<11)) {
  8612. vars->line_speed = SPEED_10000;
  8613. vars->duplex = DUPLEX_FULL;
  8614. link_up = 1;
  8615. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8616. } else { /* Check Legacy speed link */
  8617. u16 legacy_status, legacy_speed;
  8618. /* Enable expansion register 0x42 (Operation mode status) */
  8619. bnx2x_cl45_write(bp, phy,
  8620. MDIO_AN_DEVAD,
  8621. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8622. /* Get legacy speed operation status */
  8623. bnx2x_cl45_read(bp, phy,
  8624. MDIO_AN_DEVAD,
  8625. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8626. &legacy_status);
  8627. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8628. legacy_status);
  8629. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8630. if (link_up) {
  8631. legacy_speed = (legacy_status & (3<<9));
  8632. if (legacy_speed == (0<<9))
  8633. vars->line_speed = SPEED_10;
  8634. else if (legacy_speed == (1<<9))
  8635. vars->line_speed = SPEED_100;
  8636. else if (legacy_speed == (2<<9))
  8637. vars->line_speed = SPEED_1000;
  8638. else /* Should not happen */
  8639. vars->line_speed = 0;
  8640. if (legacy_status & (1<<8))
  8641. vars->duplex = DUPLEX_FULL;
  8642. else
  8643. vars->duplex = DUPLEX_HALF;
  8644. DP(NETIF_MSG_LINK,
  8645. "Link is up in %dMbps, is_duplex_full= %d\n",
  8646. vars->line_speed,
  8647. (vars->duplex == DUPLEX_FULL));
  8648. /* Check legacy speed AN resolution */
  8649. bnx2x_cl45_read(bp, phy,
  8650. MDIO_AN_DEVAD,
  8651. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8652. &val);
  8653. if (val & (1<<5))
  8654. vars->link_status |=
  8655. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8656. bnx2x_cl45_read(bp, phy,
  8657. MDIO_AN_DEVAD,
  8658. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8659. &val);
  8660. if ((val & (1<<0)) == 0)
  8661. vars->link_status |=
  8662. LINK_STATUS_PARALLEL_DETECTION_USED;
  8663. }
  8664. }
  8665. if (link_up) {
  8666. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8667. vars->line_speed);
  8668. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8669. }
  8670. return link_up;
  8671. }
  8672. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8673. {
  8674. int status = 0;
  8675. u32 spirom_ver;
  8676. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8677. status = bnx2x_format_ver(spirom_ver, str, len);
  8678. return status;
  8679. }
  8680. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8681. struct link_params *params)
  8682. {
  8683. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8684. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8685. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8686. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8687. }
  8688. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8689. struct link_params *params)
  8690. {
  8691. bnx2x_cl45_write(params->bp, phy,
  8692. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8693. bnx2x_cl45_write(params->bp, phy,
  8694. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8695. }
  8696. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8697. struct link_params *params)
  8698. {
  8699. struct bnx2x *bp = params->bp;
  8700. u8 port;
  8701. u16 val16;
  8702. if (!(CHIP_IS_E1(bp)))
  8703. port = BP_PATH(bp);
  8704. else
  8705. port = params->port;
  8706. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8707. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8708. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8709. port);
  8710. } else {
  8711. bnx2x_cl45_read(bp, phy,
  8712. MDIO_CTL_DEVAD,
  8713. 0x400f, &val16);
  8714. bnx2x_cl45_write(bp, phy,
  8715. MDIO_PMA_DEVAD,
  8716. MDIO_PMA_REG_CTRL, 0x800);
  8717. }
  8718. }
  8719. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8720. struct link_params *params, u8 mode)
  8721. {
  8722. struct bnx2x *bp = params->bp;
  8723. u16 val;
  8724. u8 port;
  8725. if (!(CHIP_IS_E1(bp)))
  8726. port = BP_PATH(bp);
  8727. else
  8728. port = params->port;
  8729. switch (mode) {
  8730. case LED_MODE_OFF:
  8731. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8732. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8733. SHARED_HW_CFG_LED_EXTPHY1) {
  8734. /* Set LED masks */
  8735. bnx2x_cl45_write(bp, phy,
  8736. MDIO_PMA_DEVAD,
  8737. MDIO_PMA_REG_8481_LED1_MASK,
  8738. 0x0);
  8739. bnx2x_cl45_write(bp, phy,
  8740. MDIO_PMA_DEVAD,
  8741. MDIO_PMA_REG_8481_LED2_MASK,
  8742. 0x0);
  8743. bnx2x_cl45_write(bp, phy,
  8744. MDIO_PMA_DEVAD,
  8745. MDIO_PMA_REG_8481_LED3_MASK,
  8746. 0x0);
  8747. bnx2x_cl45_write(bp, phy,
  8748. MDIO_PMA_DEVAD,
  8749. MDIO_PMA_REG_8481_LED5_MASK,
  8750. 0x0);
  8751. } else {
  8752. bnx2x_cl45_write(bp, phy,
  8753. MDIO_PMA_DEVAD,
  8754. MDIO_PMA_REG_8481_LED1_MASK,
  8755. 0x0);
  8756. }
  8757. break;
  8758. case LED_MODE_FRONT_PANEL_OFF:
  8759. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8760. port);
  8761. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8762. SHARED_HW_CFG_LED_EXTPHY1) {
  8763. /* Set LED masks */
  8764. bnx2x_cl45_write(bp, phy,
  8765. MDIO_PMA_DEVAD,
  8766. MDIO_PMA_REG_8481_LED1_MASK,
  8767. 0x0);
  8768. bnx2x_cl45_write(bp, phy,
  8769. MDIO_PMA_DEVAD,
  8770. MDIO_PMA_REG_8481_LED2_MASK,
  8771. 0x0);
  8772. bnx2x_cl45_write(bp, phy,
  8773. MDIO_PMA_DEVAD,
  8774. MDIO_PMA_REG_8481_LED3_MASK,
  8775. 0x0);
  8776. bnx2x_cl45_write(bp, phy,
  8777. MDIO_PMA_DEVAD,
  8778. MDIO_PMA_REG_8481_LED5_MASK,
  8779. 0x20);
  8780. } else {
  8781. bnx2x_cl45_write(bp, phy,
  8782. MDIO_PMA_DEVAD,
  8783. MDIO_PMA_REG_8481_LED1_MASK,
  8784. 0x0);
  8785. }
  8786. break;
  8787. case LED_MODE_ON:
  8788. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8789. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8790. SHARED_HW_CFG_LED_EXTPHY1) {
  8791. /* Set control reg */
  8792. bnx2x_cl45_read(bp, phy,
  8793. MDIO_PMA_DEVAD,
  8794. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8795. &val);
  8796. val &= 0x8000;
  8797. val |= 0x2492;
  8798. bnx2x_cl45_write(bp, phy,
  8799. MDIO_PMA_DEVAD,
  8800. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8801. val);
  8802. /* Set LED masks */
  8803. bnx2x_cl45_write(bp, phy,
  8804. MDIO_PMA_DEVAD,
  8805. MDIO_PMA_REG_8481_LED1_MASK,
  8806. 0x0);
  8807. bnx2x_cl45_write(bp, phy,
  8808. MDIO_PMA_DEVAD,
  8809. MDIO_PMA_REG_8481_LED2_MASK,
  8810. 0x20);
  8811. bnx2x_cl45_write(bp, phy,
  8812. MDIO_PMA_DEVAD,
  8813. MDIO_PMA_REG_8481_LED3_MASK,
  8814. 0x20);
  8815. bnx2x_cl45_write(bp, phy,
  8816. MDIO_PMA_DEVAD,
  8817. MDIO_PMA_REG_8481_LED5_MASK,
  8818. 0x0);
  8819. } else {
  8820. bnx2x_cl45_write(bp, phy,
  8821. MDIO_PMA_DEVAD,
  8822. MDIO_PMA_REG_8481_LED1_MASK,
  8823. 0x20);
  8824. }
  8825. break;
  8826. case LED_MODE_OPER:
  8827. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8828. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8829. SHARED_HW_CFG_LED_EXTPHY1) {
  8830. /* Set control reg */
  8831. bnx2x_cl45_read(bp, phy,
  8832. MDIO_PMA_DEVAD,
  8833. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8834. &val);
  8835. if (!((val &
  8836. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8837. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8838. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8839. bnx2x_cl45_write(bp, phy,
  8840. MDIO_PMA_DEVAD,
  8841. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8842. 0xa492);
  8843. }
  8844. /* Set LED masks */
  8845. bnx2x_cl45_write(bp, phy,
  8846. MDIO_PMA_DEVAD,
  8847. MDIO_PMA_REG_8481_LED1_MASK,
  8848. 0x10);
  8849. bnx2x_cl45_write(bp, phy,
  8850. MDIO_PMA_DEVAD,
  8851. MDIO_PMA_REG_8481_LED2_MASK,
  8852. 0x80);
  8853. bnx2x_cl45_write(bp, phy,
  8854. MDIO_PMA_DEVAD,
  8855. MDIO_PMA_REG_8481_LED3_MASK,
  8856. 0x98);
  8857. bnx2x_cl45_write(bp, phy,
  8858. MDIO_PMA_DEVAD,
  8859. MDIO_PMA_REG_8481_LED5_MASK,
  8860. 0x40);
  8861. } else {
  8862. bnx2x_cl45_write(bp, phy,
  8863. MDIO_PMA_DEVAD,
  8864. MDIO_PMA_REG_8481_LED1_MASK,
  8865. 0x80);
  8866. /* Tell LED3 to blink on source */
  8867. bnx2x_cl45_read(bp, phy,
  8868. MDIO_PMA_DEVAD,
  8869. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8870. &val);
  8871. val &= ~(7<<6);
  8872. val |= (1<<6); /* A83B[8:6]= 1 */
  8873. bnx2x_cl45_write(bp, phy,
  8874. MDIO_PMA_DEVAD,
  8875. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8876. val);
  8877. }
  8878. break;
  8879. }
  8880. /*
  8881. * This is a workaround for E3+84833 until autoneg
  8882. * restart is fixed in f/w
  8883. */
  8884. if (CHIP_IS_E3(bp)) {
  8885. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8886. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8887. }
  8888. }
  8889. /******************************************************************/
  8890. /* 54618SE PHY SECTION */
  8891. /******************************************************************/
  8892. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8893. struct link_params *params,
  8894. struct link_vars *vars)
  8895. {
  8896. struct bnx2x *bp = params->bp;
  8897. u8 port;
  8898. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8899. u32 cfg_pin;
  8900. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8901. usleep_range(1000, 1000);
  8902. /* This works with E3 only, no need to check the chip
  8903. before determining the port. */
  8904. port = params->port;
  8905. cfg_pin = (REG_RD(bp, params->shmem_base +
  8906. offsetof(struct shmem_region,
  8907. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8908. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8909. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8910. /* Drive pin high to bring the GPHY out of reset. */
  8911. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8912. /* wait for GPHY to reset */
  8913. msleep(50);
  8914. /* reset phy */
  8915. bnx2x_cl22_write(bp, phy,
  8916. MDIO_PMA_REG_CTRL, 0x8000);
  8917. bnx2x_wait_reset_complete(bp, phy, params);
  8918. /*wait for GPHY to reset */
  8919. msleep(50);
  8920. /* Configure LED4: set to INTR (0x6). */
  8921. /* Accessing shadow register 0xe. */
  8922. bnx2x_cl22_write(bp, phy,
  8923. MDIO_REG_GPHY_SHADOW,
  8924. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8925. bnx2x_cl22_read(bp, phy,
  8926. MDIO_REG_GPHY_SHADOW,
  8927. &temp);
  8928. temp &= ~(0xf << 4);
  8929. temp |= (0x6 << 4);
  8930. bnx2x_cl22_write(bp, phy,
  8931. MDIO_REG_GPHY_SHADOW,
  8932. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8933. /* Configure INTR based on link status change. */
  8934. bnx2x_cl22_write(bp, phy,
  8935. MDIO_REG_INTR_MASK,
  8936. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8937. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8938. bnx2x_cl22_write(bp, phy,
  8939. MDIO_REG_GPHY_SHADOW,
  8940. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8941. bnx2x_cl22_read(bp, phy,
  8942. MDIO_REG_GPHY_SHADOW,
  8943. &temp);
  8944. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8945. bnx2x_cl22_write(bp, phy,
  8946. MDIO_REG_GPHY_SHADOW,
  8947. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8948. /* Set up fc */
  8949. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8950. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8951. fc_val = 0;
  8952. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8953. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8954. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8955. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8956. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8957. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8958. /* read all advertisement */
  8959. bnx2x_cl22_read(bp, phy,
  8960. 0x09,
  8961. &an_1000_val);
  8962. bnx2x_cl22_read(bp, phy,
  8963. 0x04,
  8964. &an_10_100_val);
  8965. bnx2x_cl22_read(bp, phy,
  8966. MDIO_PMA_REG_CTRL,
  8967. &autoneg_val);
  8968. /* Disable forced speed */
  8969. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8970. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8971. (1<<11));
  8972. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8973. (phy->speed_cap_mask &
  8974. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8975. (phy->req_line_speed == SPEED_1000)) {
  8976. an_1000_val |= (1<<8);
  8977. autoneg_val |= (1<<9 | 1<<12);
  8978. if (phy->req_duplex == DUPLEX_FULL)
  8979. an_1000_val |= (1<<9);
  8980. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8981. } else
  8982. an_1000_val &= ~((1<<8) | (1<<9));
  8983. bnx2x_cl22_write(bp, phy,
  8984. 0x09,
  8985. an_1000_val);
  8986. bnx2x_cl22_read(bp, phy,
  8987. 0x09,
  8988. &an_1000_val);
  8989. /* set 100 speed advertisement */
  8990. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8991. (phy->speed_cap_mask &
  8992. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8993. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8994. an_10_100_val |= (1<<7);
  8995. /* Enable autoneg and restart autoneg for legacy speeds */
  8996. autoneg_val |= (1<<9 | 1<<12);
  8997. if (phy->req_duplex == DUPLEX_FULL)
  8998. an_10_100_val |= (1<<8);
  8999. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9000. }
  9001. /* set 10 speed advertisement */
  9002. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9003. (phy->speed_cap_mask &
  9004. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9005. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9006. an_10_100_val |= (1<<5);
  9007. autoneg_val |= (1<<9 | 1<<12);
  9008. if (phy->req_duplex == DUPLEX_FULL)
  9009. an_10_100_val |= (1<<6);
  9010. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9011. }
  9012. /* Only 10/100 are allowed to work in FORCE mode */
  9013. if (phy->req_line_speed == SPEED_100) {
  9014. autoneg_val |= (1<<13);
  9015. /* Enabled AUTO-MDIX when autoneg is disabled */
  9016. bnx2x_cl22_write(bp, phy,
  9017. 0x18,
  9018. (1<<15 | 1<<9 | 7<<0));
  9019. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9020. }
  9021. if (phy->req_line_speed == SPEED_10) {
  9022. /* Enabled AUTO-MDIX when autoneg is disabled */
  9023. bnx2x_cl22_write(bp, phy,
  9024. 0x18,
  9025. (1<<15 | 1<<9 | 7<<0));
  9026. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9027. }
  9028. /* Check if we should turn on Auto-GrEEEn */
  9029. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9030. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9031. if (params->feature_config_flags &
  9032. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9033. temp = 6;
  9034. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9035. } else {
  9036. temp = 0;
  9037. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9038. }
  9039. bnx2x_cl22_write(bp, phy,
  9040. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9041. bnx2x_cl22_write(bp, phy,
  9042. MDIO_REG_GPHY_CL45_DATA_REG,
  9043. MDIO_REG_GPHY_EEE_ADV);
  9044. bnx2x_cl22_write(bp, phy,
  9045. MDIO_REG_GPHY_CL45_ADDR_REG,
  9046. (0x1 << 14) | MDIO_AN_DEVAD);
  9047. bnx2x_cl22_write(bp, phy,
  9048. MDIO_REG_GPHY_CL45_DATA_REG,
  9049. temp);
  9050. }
  9051. bnx2x_cl22_write(bp, phy,
  9052. 0x04,
  9053. an_10_100_val | fc_val);
  9054. if (phy->req_duplex == DUPLEX_FULL)
  9055. autoneg_val |= (1<<8);
  9056. bnx2x_cl22_write(bp, phy,
  9057. MDIO_PMA_REG_CTRL, autoneg_val);
  9058. return 0;
  9059. }
  9060. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  9061. struct link_params *params, u8 mode)
  9062. {
  9063. struct bnx2x *bp = params->bp;
  9064. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  9065. switch (mode) {
  9066. case LED_MODE_FRONT_PANEL_OFF:
  9067. case LED_MODE_OFF:
  9068. case LED_MODE_OPER:
  9069. case LED_MODE_ON:
  9070. default:
  9071. break;
  9072. }
  9073. return;
  9074. }
  9075. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9076. struct link_params *params)
  9077. {
  9078. struct bnx2x *bp = params->bp;
  9079. u32 cfg_pin;
  9080. u8 port;
  9081. /*
  9082. * In case of no EPIO routed to reset the GPHY, put it
  9083. * in low power mode.
  9084. */
  9085. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9086. /*
  9087. * This works with E3 only, no need to check the chip
  9088. * before determining the port.
  9089. */
  9090. port = params->port;
  9091. cfg_pin = (REG_RD(bp, params->shmem_base +
  9092. offsetof(struct shmem_region,
  9093. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9094. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9095. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9096. /* Drive pin low to put GPHY in reset. */
  9097. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9098. }
  9099. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9100. struct link_params *params,
  9101. struct link_vars *vars)
  9102. {
  9103. struct bnx2x *bp = params->bp;
  9104. u16 val;
  9105. u8 link_up = 0;
  9106. u16 legacy_status, legacy_speed;
  9107. /* Get speed operation status */
  9108. bnx2x_cl22_read(bp, phy,
  9109. 0x19,
  9110. &legacy_status);
  9111. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9112. /* Read status to clear the PHY interrupt. */
  9113. bnx2x_cl22_read(bp, phy,
  9114. MDIO_REG_INTR_STATUS,
  9115. &val);
  9116. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9117. if (link_up) {
  9118. legacy_speed = (legacy_status & (7<<8));
  9119. if (legacy_speed == (7<<8)) {
  9120. vars->line_speed = SPEED_1000;
  9121. vars->duplex = DUPLEX_FULL;
  9122. } else if (legacy_speed == (6<<8)) {
  9123. vars->line_speed = SPEED_1000;
  9124. vars->duplex = DUPLEX_HALF;
  9125. } else if (legacy_speed == (5<<8)) {
  9126. vars->line_speed = SPEED_100;
  9127. vars->duplex = DUPLEX_FULL;
  9128. }
  9129. /* Omitting 100Base-T4 for now */
  9130. else if (legacy_speed == (3<<8)) {
  9131. vars->line_speed = SPEED_100;
  9132. vars->duplex = DUPLEX_HALF;
  9133. } else if (legacy_speed == (2<<8)) {
  9134. vars->line_speed = SPEED_10;
  9135. vars->duplex = DUPLEX_FULL;
  9136. } else if (legacy_speed == (1<<8)) {
  9137. vars->line_speed = SPEED_10;
  9138. vars->duplex = DUPLEX_HALF;
  9139. } else /* Should not happen */
  9140. vars->line_speed = 0;
  9141. DP(NETIF_MSG_LINK,
  9142. "Link is up in %dMbps, is_duplex_full= %d\n",
  9143. vars->line_speed,
  9144. (vars->duplex == DUPLEX_FULL));
  9145. /* Check legacy speed AN resolution */
  9146. bnx2x_cl22_read(bp, phy,
  9147. 0x01,
  9148. &val);
  9149. if (val & (1<<5))
  9150. vars->link_status |=
  9151. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9152. bnx2x_cl22_read(bp, phy,
  9153. 0x06,
  9154. &val);
  9155. if ((val & (1<<0)) == 0)
  9156. vars->link_status |=
  9157. LINK_STATUS_PARALLEL_DETECTION_USED;
  9158. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9159. vars->line_speed);
  9160. /* Report whether EEE is resolved. */
  9161. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9162. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9163. if (vars->link_status &
  9164. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9165. val = 0;
  9166. else {
  9167. bnx2x_cl22_write(bp, phy,
  9168. MDIO_REG_GPHY_CL45_ADDR_REG,
  9169. MDIO_AN_DEVAD);
  9170. bnx2x_cl22_write(bp, phy,
  9171. MDIO_REG_GPHY_CL45_DATA_REG,
  9172. MDIO_REG_GPHY_EEE_RESOLVED);
  9173. bnx2x_cl22_write(bp, phy,
  9174. MDIO_REG_GPHY_CL45_ADDR_REG,
  9175. (0x1 << 14) | MDIO_AN_DEVAD);
  9176. bnx2x_cl22_read(bp, phy,
  9177. MDIO_REG_GPHY_CL45_DATA_REG,
  9178. &val);
  9179. }
  9180. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9181. }
  9182. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9183. }
  9184. return link_up;
  9185. }
  9186. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9187. struct link_params *params)
  9188. {
  9189. struct bnx2x *bp = params->bp;
  9190. u16 val;
  9191. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9192. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9193. /* Enable master/slave manual mmode and set to master */
  9194. /* mii write 9 [bits set 11 12] */
  9195. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9196. /* forced 1G and disable autoneg */
  9197. /* set val [mii read 0] */
  9198. /* set val [expr $val & [bits clear 6 12 13]] */
  9199. /* set val [expr $val | [bits set 6 8]] */
  9200. /* mii write 0 $val */
  9201. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9202. val &= ~((1<<6) | (1<<12) | (1<<13));
  9203. val |= (1<<6) | (1<<8);
  9204. bnx2x_cl22_write(bp, phy, 0x00, val);
  9205. /* Set external loopback and Tx using 6dB coding */
  9206. /* mii write 0x18 7 */
  9207. /* set val [mii read 0x18] */
  9208. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9209. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9210. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9211. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9212. /* This register opens the gate for the UMAC despite its name */
  9213. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9214. /*
  9215. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9216. * length used by the MAC receive logic to check frames.
  9217. */
  9218. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9219. }
  9220. /******************************************************************/
  9221. /* SFX7101 PHY SECTION */
  9222. /******************************************************************/
  9223. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9224. struct link_params *params)
  9225. {
  9226. struct bnx2x *bp = params->bp;
  9227. /* SFX7101_XGXS_TEST1 */
  9228. bnx2x_cl45_write(bp, phy,
  9229. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9230. }
  9231. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9232. struct link_params *params,
  9233. struct link_vars *vars)
  9234. {
  9235. u16 fw_ver1, fw_ver2, val;
  9236. struct bnx2x *bp = params->bp;
  9237. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9238. /* Restore normal power mode*/
  9239. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9240. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9241. /* HW reset */
  9242. bnx2x_ext_phy_hw_reset(bp, params->port);
  9243. bnx2x_wait_reset_complete(bp, phy, params);
  9244. bnx2x_cl45_write(bp, phy,
  9245. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9246. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9247. bnx2x_cl45_write(bp, phy,
  9248. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9249. bnx2x_ext_phy_set_pause(params, phy, vars);
  9250. /* Restart autoneg */
  9251. bnx2x_cl45_read(bp, phy,
  9252. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9253. val |= 0x200;
  9254. bnx2x_cl45_write(bp, phy,
  9255. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9256. /* Save spirom version */
  9257. bnx2x_cl45_read(bp, phy,
  9258. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9259. bnx2x_cl45_read(bp, phy,
  9260. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9261. bnx2x_save_spirom_version(bp, params->port,
  9262. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9263. return 0;
  9264. }
  9265. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9266. struct link_params *params,
  9267. struct link_vars *vars)
  9268. {
  9269. struct bnx2x *bp = params->bp;
  9270. u8 link_up;
  9271. u16 val1, val2;
  9272. bnx2x_cl45_read(bp, phy,
  9273. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9274. bnx2x_cl45_read(bp, phy,
  9275. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9276. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9277. val2, val1);
  9278. bnx2x_cl45_read(bp, phy,
  9279. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9280. bnx2x_cl45_read(bp, phy,
  9281. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9282. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9283. val2, val1);
  9284. link_up = ((val1 & 4) == 4);
  9285. /* if link is up print the AN outcome of the SFX7101 PHY */
  9286. if (link_up) {
  9287. bnx2x_cl45_read(bp, phy,
  9288. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9289. &val2);
  9290. vars->line_speed = SPEED_10000;
  9291. vars->duplex = DUPLEX_FULL;
  9292. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9293. val2, (val2 & (1<<14)));
  9294. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9295. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9296. }
  9297. return link_up;
  9298. }
  9299. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9300. {
  9301. if (*len < 5)
  9302. return -EINVAL;
  9303. str[0] = (spirom_ver & 0xFF);
  9304. str[1] = (spirom_ver & 0xFF00) >> 8;
  9305. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9306. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9307. str[4] = '\0';
  9308. *len -= 5;
  9309. return 0;
  9310. }
  9311. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9312. {
  9313. u16 val, cnt;
  9314. bnx2x_cl45_read(bp, phy,
  9315. MDIO_PMA_DEVAD,
  9316. MDIO_PMA_REG_7101_RESET, &val);
  9317. for (cnt = 0; cnt < 10; cnt++) {
  9318. msleep(50);
  9319. /* Writes a self-clearing reset */
  9320. bnx2x_cl45_write(bp, phy,
  9321. MDIO_PMA_DEVAD,
  9322. MDIO_PMA_REG_7101_RESET,
  9323. (val | (1<<15)));
  9324. /* Wait for clear */
  9325. bnx2x_cl45_read(bp, phy,
  9326. MDIO_PMA_DEVAD,
  9327. MDIO_PMA_REG_7101_RESET, &val);
  9328. if ((val & (1<<15)) == 0)
  9329. break;
  9330. }
  9331. }
  9332. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9333. struct link_params *params) {
  9334. /* Low power mode is controlled by GPIO 2 */
  9335. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9336. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9337. /* The PHY reset is controlled by GPIO 1 */
  9338. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9339. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9340. }
  9341. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9342. struct link_params *params, u8 mode)
  9343. {
  9344. u16 val = 0;
  9345. struct bnx2x *bp = params->bp;
  9346. switch (mode) {
  9347. case LED_MODE_FRONT_PANEL_OFF:
  9348. case LED_MODE_OFF:
  9349. val = 2;
  9350. break;
  9351. case LED_MODE_ON:
  9352. val = 1;
  9353. break;
  9354. case LED_MODE_OPER:
  9355. val = 0;
  9356. break;
  9357. }
  9358. bnx2x_cl45_write(bp, phy,
  9359. MDIO_PMA_DEVAD,
  9360. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9361. val);
  9362. }
  9363. /******************************************************************/
  9364. /* STATIC PHY DECLARATION */
  9365. /******************************************************************/
  9366. static struct bnx2x_phy phy_null = {
  9367. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9368. .addr = 0,
  9369. .def_md_devad = 0,
  9370. .flags = FLAGS_INIT_XGXS_FIRST,
  9371. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9372. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9373. .mdio_ctrl = 0,
  9374. .supported = 0,
  9375. .media_type = ETH_PHY_NOT_PRESENT,
  9376. .ver_addr = 0,
  9377. .req_flow_ctrl = 0,
  9378. .req_line_speed = 0,
  9379. .speed_cap_mask = 0,
  9380. .req_duplex = 0,
  9381. .rsrv = 0,
  9382. .config_init = (config_init_t)NULL,
  9383. .read_status = (read_status_t)NULL,
  9384. .link_reset = (link_reset_t)NULL,
  9385. .config_loopback = (config_loopback_t)NULL,
  9386. .format_fw_ver = (format_fw_ver_t)NULL,
  9387. .hw_reset = (hw_reset_t)NULL,
  9388. .set_link_led = (set_link_led_t)NULL,
  9389. .phy_specific_func = (phy_specific_func_t)NULL
  9390. };
  9391. static struct bnx2x_phy phy_serdes = {
  9392. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9393. .addr = 0xff,
  9394. .def_md_devad = 0,
  9395. .flags = 0,
  9396. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9397. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9398. .mdio_ctrl = 0,
  9399. .supported = (SUPPORTED_10baseT_Half |
  9400. SUPPORTED_10baseT_Full |
  9401. SUPPORTED_100baseT_Half |
  9402. SUPPORTED_100baseT_Full |
  9403. SUPPORTED_1000baseT_Full |
  9404. SUPPORTED_2500baseX_Full |
  9405. SUPPORTED_TP |
  9406. SUPPORTED_Autoneg |
  9407. SUPPORTED_Pause |
  9408. SUPPORTED_Asym_Pause),
  9409. .media_type = ETH_PHY_BASE_T,
  9410. .ver_addr = 0,
  9411. .req_flow_ctrl = 0,
  9412. .req_line_speed = 0,
  9413. .speed_cap_mask = 0,
  9414. .req_duplex = 0,
  9415. .rsrv = 0,
  9416. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9417. .read_status = (read_status_t)bnx2x_link_settings_status,
  9418. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9419. .config_loopback = (config_loopback_t)NULL,
  9420. .format_fw_ver = (format_fw_ver_t)NULL,
  9421. .hw_reset = (hw_reset_t)NULL,
  9422. .set_link_led = (set_link_led_t)NULL,
  9423. .phy_specific_func = (phy_specific_func_t)NULL
  9424. };
  9425. static struct bnx2x_phy phy_xgxs = {
  9426. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9427. .addr = 0xff,
  9428. .def_md_devad = 0,
  9429. .flags = 0,
  9430. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9431. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9432. .mdio_ctrl = 0,
  9433. .supported = (SUPPORTED_10baseT_Half |
  9434. SUPPORTED_10baseT_Full |
  9435. SUPPORTED_100baseT_Half |
  9436. SUPPORTED_100baseT_Full |
  9437. SUPPORTED_1000baseT_Full |
  9438. SUPPORTED_2500baseX_Full |
  9439. SUPPORTED_10000baseT_Full |
  9440. SUPPORTED_FIBRE |
  9441. SUPPORTED_Autoneg |
  9442. SUPPORTED_Pause |
  9443. SUPPORTED_Asym_Pause),
  9444. .media_type = ETH_PHY_CX4,
  9445. .ver_addr = 0,
  9446. .req_flow_ctrl = 0,
  9447. .req_line_speed = 0,
  9448. .speed_cap_mask = 0,
  9449. .req_duplex = 0,
  9450. .rsrv = 0,
  9451. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9452. .read_status = (read_status_t)bnx2x_link_settings_status,
  9453. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9454. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9455. .format_fw_ver = (format_fw_ver_t)NULL,
  9456. .hw_reset = (hw_reset_t)NULL,
  9457. .set_link_led = (set_link_led_t)NULL,
  9458. .phy_specific_func = (phy_specific_func_t)NULL
  9459. };
  9460. static struct bnx2x_phy phy_warpcore = {
  9461. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9462. .addr = 0xff,
  9463. .def_md_devad = 0,
  9464. .flags = FLAGS_HW_LOCK_REQUIRED,
  9465. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9466. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9467. .mdio_ctrl = 0,
  9468. .supported = (SUPPORTED_10baseT_Half |
  9469. SUPPORTED_10baseT_Full |
  9470. SUPPORTED_100baseT_Half |
  9471. SUPPORTED_100baseT_Full |
  9472. SUPPORTED_1000baseT_Full |
  9473. SUPPORTED_10000baseT_Full |
  9474. SUPPORTED_20000baseKR2_Full |
  9475. SUPPORTED_20000baseMLD2_Full |
  9476. SUPPORTED_FIBRE |
  9477. SUPPORTED_Autoneg |
  9478. SUPPORTED_Pause |
  9479. SUPPORTED_Asym_Pause),
  9480. .media_type = ETH_PHY_UNSPECIFIED,
  9481. .ver_addr = 0,
  9482. .req_flow_ctrl = 0,
  9483. .req_line_speed = 0,
  9484. .speed_cap_mask = 0,
  9485. /* req_duplex = */0,
  9486. /* rsrv = */0,
  9487. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9488. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9489. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9490. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9491. .format_fw_ver = (format_fw_ver_t)NULL,
  9492. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9493. .set_link_led = (set_link_led_t)NULL,
  9494. .phy_specific_func = (phy_specific_func_t)NULL
  9495. };
  9496. static struct bnx2x_phy phy_7101 = {
  9497. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9498. .addr = 0xff,
  9499. .def_md_devad = 0,
  9500. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9501. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9502. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9503. .mdio_ctrl = 0,
  9504. .supported = (SUPPORTED_10000baseT_Full |
  9505. SUPPORTED_TP |
  9506. SUPPORTED_Autoneg |
  9507. SUPPORTED_Pause |
  9508. SUPPORTED_Asym_Pause),
  9509. .media_type = ETH_PHY_BASE_T,
  9510. .ver_addr = 0,
  9511. .req_flow_ctrl = 0,
  9512. .req_line_speed = 0,
  9513. .speed_cap_mask = 0,
  9514. .req_duplex = 0,
  9515. .rsrv = 0,
  9516. .config_init = (config_init_t)bnx2x_7101_config_init,
  9517. .read_status = (read_status_t)bnx2x_7101_read_status,
  9518. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9519. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9520. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9521. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9522. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9523. .phy_specific_func = (phy_specific_func_t)NULL
  9524. };
  9525. static struct bnx2x_phy phy_8073 = {
  9526. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9527. .addr = 0xff,
  9528. .def_md_devad = 0,
  9529. .flags = FLAGS_HW_LOCK_REQUIRED,
  9530. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9531. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9532. .mdio_ctrl = 0,
  9533. .supported = (SUPPORTED_10000baseT_Full |
  9534. SUPPORTED_2500baseX_Full |
  9535. SUPPORTED_1000baseT_Full |
  9536. SUPPORTED_FIBRE |
  9537. SUPPORTED_Autoneg |
  9538. SUPPORTED_Pause |
  9539. SUPPORTED_Asym_Pause),
  9540. .media_type = ETH_PHY_KR,
  9541. .ver_addr = 0,
  9542. .req_flow_ctrl = 0,
  9543. .req_line_speed = 0,
  9544. .speed_cap_mask = 0,
  9545. .req_duplex = 0,
  9546. .rsrv = 0,
  9547. .config_init = (config_init_t)bnx2x_8073_config_init,
  9548. .read_status = (read_status_t)bnx2x_8073_read_status,
  9549. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9550. .config_loopback = (config_loopback_t)NULL,
  9551. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9552. .hw_reset = (hw_reset_t)NULL,
  9553. .set_link_led = (set_link_led_t)NULL,
  9554. .phy_specific_func = (phy_specific_func_t)NULL
  9555. };
  9556. static struct bnx2x_phy phy_8705 = {
  9557. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9558. .addr = 0xff,
  9559. .def_md_devad = 0,
  9560. .flags = FLAGS_INIT_XGXS_FIRST,
  9561. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9562. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9563. .mdio_ctrl = 0,
  9564. .supported = (SUPPORTED_10000baseT_Full |
  9565. SUPPORTED_FIBRE |
  9566. SUPPORTED_Pause |
  9567. SUPPORTED_Asym_Pause),
  9568. .media_type = ETH_PHY_XFP_FIBER,
  9569. .ver_addr = 0,
  9570. .req_flow_ctrl = 0,
  9571. .req_line_speed = 0,
  9572. .speed_cap_mask = 0,
  9573. .req_duplex = 0,
  9574. .rsrv = 0,
  9575. .config_init = (config_init_t)bnx2x_8705_config_init,
  9576. .read_status = (read_status_t)bnx2x_8705_read_status,
  9577. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9578. .config_loopback = (config_loopback_t)NULL,
  9579. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9580. .hw_reset = (hw_reset_t)NULL,
  9581. .set_link_led = (set_link_led_t)NULL,
  9582. .phy_specific_func = (phy_specific_func_t)NULL
  9583. };
  9584. static struct bnx2x_phy phy_8706 = {
  9585. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9586. .addr = 0xff,
  9587. .def_md_devad = 0,
  9588. .flags = FLAGS_INIT_XGXS_FIRST,
  9589. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9590. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9591. .mdio_ctrl = 0,
  9592. .supported = (SUPPORTED_10000baseT_Full |
  9593. SUPPORTED_1000baseT_Full |
  9594. SUPPORTED_FIBRE |
  9595. SUPPORTED_Pause |
  9596. SUPPORTED_Asym_Pause),
  9597. .media_type = ETH_PHY_SFP_FIBER,
  9598. .ver_addr = 0,
  9599. .req_flow_ctrl = 0,
  9600. .req_line_speed = 0,
  9601. .speed_cap_mask = 0,
  9602. .req_duplex = 0,
  9603. .rsrv = 0,
  9604. .config_init = (config_init_t)bnx2x_8706_config_init,
  9605. .read_status = (read_status_t)bnx2x_8706_read_status,
  9606. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9607. .config_loopback = (config_loopback_t)NULL,
  9608. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9609. .hw_reset = (hw_reset_t)NULL,
  9610. .set_link_led = (set_link_led_t)NULL,
  9611. .phy_specific_func = (phy_specific_func_t)NULL
  9612. };
  9613. static struct bnx2x_phy phy_8726 = {
  9614. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9615. .addr = 0xff,
  9616. .def_md_devad = 0,
  9617. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9618. FLAGS_INIT_XGXS_FIRST),
  9619. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9620. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9621. .mdio_ctrl = 0,
  9622. .supported = (SUPPORTED_10000baseT_Full |
  9623. SUPPORTED_1000baseT_Full |
  9624. SUPPORTED_Autoneg |
  9625. SUPPORTED_FIBRE |
  9626. SUPPORTED_Pause |
  9627. SUPPORTED_Asym_Pause),
  9628. .media_type = ETH_PHY_NOT_PRESENT,
  9629. .ver_addr = 0,
  9630. .req_flow_ctrl = 0,
  9631. .req_line_speed = 0,
  9632. .speed_cap_mask = 0,
  9633. .req_duplex = 0,
  9634. .rsrv = 0,
  9635. .config_init = (config_init_t)bnx2x_8726_config_init,
  9636. .read_status = (read_status_t)bnx2x_8726_read_status,
  9637. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9638. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9639. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9640. .hw_reset = (hw_reset_t)NULL,
  9641. .set_link_led = (set_link_led_t)NULL,
  9642. .phy_specific_func = (phy_specific_func_t)NULL
  9643. };
  9644. static struct bnx2x_phy phy_8727 = {
  9645. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9646. .addr = 0xff,
  9647. .def_md_devad = 0,
  9648. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9649. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9650. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9651. .mdio_ctrl = 0,
  9652. .supported = (SUPPORTED_10000baseT_Full |
  9653. SUPPORTED_1000baseT_Full |
  9654. SUPPORTED_FIBRE |
  9655. SUPPORTED_Pause |
  9656. SUPPORTED_Asym_Pause),
  9657. .media_type = ETH_PHY_NOT_PRESENT,
  9658. .ver_addr = 0,
  9659. .req_flow_ctrl = 0,
  9660. .req_line_speed = 0,
  9661. .speed_cap_mask = 0,
  9662. .req_duplex = 0,
  9663. .rsrv = 0,
  9664. .config_init = (config_init_t)bnx2x_8727_config_init,
  9665. .read_status = (read_status_t)bnx2x_8727_read_status,
  9666. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9667. .config_loopback = (config_loopback_t)NULL,
  9668. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9669. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9670. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9671. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9672. };
  9673. static struct bnx2x_phy phy_8481 = {
  9674. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9675. .addr = 0xff,
  9676. .def_md_devad = 0,
  9677. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9678. FLAGS_REARM_LATCH_SIGNAL,
  9679. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9680. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9681. .mdio_ctrl = 0,
  9682. .supported = (SUPPORTED_10baseT_Half |
  9683. SUPPORTED_10baseT_Full |
  9684. SUPPORTED_100baseT_Half |
  9685. SUPPORTED_100baseT_Full |
  9686. SUPPORTED_1000baseT_Full |
  9687. SUPPORTED_10000baseT_Full |
  9688. SUPPORTED_TP |
  9689. SUPPORTED_Autoneg |
  9690. SUPPORTED_Pause |
  9691. SUPPORTED_Asym_Pause),
  9692. .media_type = ETH_PHY_BASE_T,
  9693. .ver_addr = 0,
  9694. .req_flow_ctrl = 0,
  9695. .req_line_speed = 0,
  9696. .speed_cap_mask = 0,
  9697. .req_duplex = 0,
  9698. .rsrv = 0,
  9699. .config_init = (config_init_t)bnx2x_8481_config_init,
  9700. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9701. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9702. .config_loopback = (config_loopback_t)NULL,
  9703. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9704. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9705. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9706. .phy_specific_func = (phy_specific_func_t)NULL
  9707. };
  9708. static struct bnx2x_phy phy_84823 = {
  9709. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9710. .addr = 0xff,
  9711. .def_md_devad = 0,
  9712. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9713. FLAGS_REARM_LATCH_SIGNAL,
  9714. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9715. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9716. .mdio_ctrl = 0,
  9717. .supported = (SUPPORTED_10baseT_Half |
  9718. SUPPORTED_10baseT_Full |
  9719. SUPPORTED_100baseT_Half |
  9720. SUPPORTED_100baseT_Full |
  9721. SUPPORTED_1000baseT_Full |
  9722. SUPPORTED_10000baseT_Full |
  9723. SUPPORTED_TP |
  9724. SUPPORTED_Autoneg |
  9725. SUPPORTED_Pause |
  9726. SUPPORTED_Asym_Pause),
  9727. .media_type = ETH_PHY_BASE_T,
  9728. .ver_addr = 0,
  9729. .req_flow_ctrl = 0,
  9730. .req_line_speed = 0,
  9731. .speed_cap_mask = 0,
  9732. .req_duplex = 0,
  9733. .rsrv = 0,
  9734. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9735. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9736. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9737. .config_loopback = (config_loopback_t)NULL,
  9738. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9739. .hw_reset = (hw_reset_t)NULL,
  9740. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9741. .phy_specific_func = (phy_specific_func_t)NULL
  9742. };
  9743. static struct bnx2x_phy phy_84833 = {
  9744. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9745. .addr = 0xff,
  9746. .def_md_devad = 0,
  9747. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9748. FLAGS_REARM_LATCH_SIGNAL,
  9749. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9750. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9751. .mdio_ctrl = 0,
  9752. .supported = (SUPPORTED_100baseT_Half |
  9753. SUPPORTED_100baseT_Full |
  9754. SUPPORTED_1000baseT_Full |
  9755. SUPPORTED_10000baseT_Full |
  9756. SUPPORTED_TP |
  9757. SUPPORTED_Autoneg |
  9758. SUPPORTED_Pause |
  9759. SUPPORTED_Asym_Pause),
  9760. .media_type = ETH_PHY_BASE_T,
  9761. .ver_addr = 0,
  9762. .req_flow_ctrl = 0,
  9763. .req_line_speed = 0,
  9764. .speed_cap_mask = 0,
  9765. .req_duplex = 0,
  9766. .rsrv = 0,
  9767. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9768. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9769. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9770. .config_loopback = (config_loopback_t)NULL,
  9771. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9772. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9773. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9774. .phy_specific_func = (phy_specific_func_t)NULL
  9775. };
  9776. static struct bnx2x_phy phy_54618se = {
  9777. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9778. .addr = 0xff,
  9779. .def_md_devad = 0,
  9780. .flags = FLAGS_INIT_XGXS_FIRST,
  9781. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9782. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9783. .mdio_ctrl = 0,
  9784. .supported = (SUPPORTED_10baseT_Half |
  9785. SUPPORTED_10baseT_Full |
  9786. SUPPORTED_100baseT_Half |
  9787. SUPPORTED_100baseT_Full |
  9788. SUPPORTED_1000baseT_Full |
  9789. SUPPORTED_TP |
  9790. SUPPORTED_Autoneg |
  9791. SUPPORTED_Pause |
  9792. SUPPORTED_Asym_Pause),
  9793. .media_type = ETH_PHY_BASE_T,
  9794. .ver_addr = 0,
  9795. .req_flow_ctrl = 0,
  9796. .req_line_speed = 0,
  9797. .speed_cap_mask = 0,
  9798. /* req_duplex = */0,
  9799. /* rsrv = */0,
  9800. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9801. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9802. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9803. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9804. .format_fw_ver = (format_fw_ver_t)NULL,
  9805. .hw_reset = (hw_reset_t)NULL,
  9806. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9807. .phy_specific_func = (phy_specific_func_t)NULL
  9808. };
  9809. /*****************************************************************/
  9810. /* */
  9811. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9812. /* */
  9813. /*****************************************************************/
  9814. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9815. struct bnx2x_phy *phy, u8 port,
  9816. u8 phy_index)
  9817. {
  9818. /* Get the 4 lanes xgxs config rx and tx */
  9819. u32 rx = 0, tx = 0, i;
  9820. for (i = 0; i < 2; i++) {
  9821. /*
  9822. * INT_PHY and EXT_PHY1 share the same value location in the
  9823. * shmem. When num_phys is greater than 1, than this value
  9824. * applies only to EXT_PHY1
  9825. */
  9826. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9827. rx = REG_RD(bp, shmem_base +
  9828. offsetof(struct shmem_region,
  9829. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9830. tx = REG_RD(bp, shmem_base +
  9831. offsetof(struct shmem_region,
  9832. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9833. } else {
  9834. rx = REG_RD(bp, shmem_base +
  9835. offsetof(struct shmem_region,
  9836. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9837. tx = REG_RD(bp, shmem_base +
  9838. offsetof(struct shmem_region,
  9839. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9840. }
  9841. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9842. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9843. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9844. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9845. }
  9846. }
  9847. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9848. u8 phy_index, u8 port)
  9849. {
  9850. u32 ext_phy_config = 0;
  9851. switch (phy_index) {
  9852. case EXT_PHY1:
  9853. ext_phy_config = REG_RD(bp, shmem_base +
  9854. offsetof(struct shmem_region,
  9855. dev_info.port_hw_config[port].external_phy_config));
  9856. break;
  9857. case EXT_PHY2:
  9858. ext_phy_config = REG_RD(bp, shmem_base +
  9859. offsetof(struct shmem_region,
  9860. dev_info.port_hw_config[port].external_phy_config2));
  9861. break;
  9862. default:
  9863. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9864. return -EINVAL;
  9865. }
  9866. return ext_phy_config;
  9867. }
  9868. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9869. struct bnx2x_phy *phy)
  9870. {
  9871. u32 phy_addr;
  9872. u32 chip_id;
  9873. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9874. offsetof(struct shmem_region,
  9875. dev_info.port_feature_config[port].link_config)) &
  9876. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9877. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9878. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9879. if (USES_WARPCORE(bp)) {
  9880. u32 serdes_net_if;
  9881. phy_addr = REG_RD(bp,
  9882. MISC_REG_WC0_CTRL_PHY_ADDR);
  9883. *phy = phy_warpcore;
  9884. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9885. phy->flags |= FLAGS_4_PORT_MODE;
  9886. else
  9887. phy->flags &= ~FLAGS_4_PORT_MODE;
  9888. /* Check Dual mode */
  9889. serdes_net_if = (REG_RD(bp, shmem_base +
  9890. offsetof(struct shmem_region, dev_info.
  9891. port_hw_config[port].default_cfg)) &
  9892. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9893. /*
  9894. * Set the appropriate supported and flags indications per
  9895. * interface type of the chip
  9896. */
  9897. switch (serdes_net_if) {
  9898. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9899. phy->supported &= (SUPPORTED_10baseT_Half |
  9900. SUPPORTED_10baseT_Full |
  9901. SUPPORTED_100baseT_Half |
  9902. SUPPORTED_100baseT_Full |
  9903. SUPPORTED_1000baseT_Full |
  9904. SUPPORTED_FIBRE |
  9905. SUPPORTED_Autoneg |
  9906. SUPPORTED_Pause |
  9907. SUPPORTED_Asym_Pause);
  9908. phy->media_type = ETH_PHY_BASE_T;
  9909. break;
  9910. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9911. phy->media_type = ETH_PHY_XFP_FIBER;
  9912. break;
  9913. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9914. phy->supported &= (SUPPORTED_1000baseT_Full |
  9915. SUPPORTED_10000baseT_Full |
  9916. SUPPORTED_FIBRE |
  9917. SUPPORTED_Pause |
  9918. SUPPORTED_Asym_Pause);
  9919. phy->media_type = ETH_PHY_SFP_FIBER;
  9920. break;
  9921. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9922. phy->media_type = ETH_PHY_KR;
  9923. phy->supported &= (SUPPORTED_1000baseT_Full |
  9924. SUPPORTED_10000baseT_Full |
  9925. SUPPORTED_FIBRE |
  9926. SUPPORTED_Autoneg |
  9927. SUPPORTED_Pause |
  9928. SUPPORTED_Asym_Pause);
  9929. break;
  9930. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9931. phy->media_type = ETH_PHY_KR;
  9932. phy->flags |= FLAGS_WC_DUAL_MODE;
  9933. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9934. SUPPORTED_FIBRE |
  9935. SUPPORTED_Pause |
  9936. SUPPORTED_Asym_Pause);
  9937. break;
  9938. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9939. phy->media_type = ETH_PHY_KR;
  9940. phy->flags |= FLAGS_WC_DUAL_MODE;
  9941. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9942. SUPPORTED_FIBRE |
  9943. SUPPORTED_Pause |
  9944. SUPPORTED_Asym_Pause);
  9945. break;
  9946. default:
  9947. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9948. serdes_net_if);
  9949. break;
  9950. }
  9951. /*
  9952. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9953. * was not set as expected. For B0, ECO will be enabled so there
  9954. * won't be an issue there
  9955. */
  9956. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9957. phy->flags |= FLAGS_MDC_MDIO_WA;
  9958. else
  9959. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9960. } else {
  9961. switch (switch_cfg) {
  9962. case SWITCH_CFG_1G:
  9963. phy_addr = REG_RD(bp,
  9964. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9965. port * 0x10);
  9966. *phy = phy_serdes;
  9967. break;
  9968. case SWITCH_CFG_10G:
  9969. phy_addr = REG_RD(bp,
  9970. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9971. port * 0x18);
  9972. *phy = phy_xgxs;
  9973. break;
  9974. default:
  9975. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9976. return -EINVAL;
  9977. }
  9978. }
  9979. phy->addr = (u8)phy_addr;
  9980. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9981. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9982. port);
  9983. if (CHIP_IS_E2(bp))
  9984. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9985. else
  9986. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9987. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9988. port, phy->addr, phy->mdio_ctrl);
  9989. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9990. return 0;
  9991. }
  9992. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9993. u8 phy_index,
  9994. u32 shmem_base,
  9995. u32 shmem2_base,
  9996. u8 port,
  9997. struct bnx2x_phy *phy)
  9998. {
  9999. u32 ext_phy_config, phy_type, config2;
  10000. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10001. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10002. phy_index, port);
  10003. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10004. /* Select the phy type */
  10005. switch (phy_type) {
  10006. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10007. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10008. *phy = phy_8073;
  10009. break;
  10010. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10011. *phy = phy_8705;
  10012. break;
  10013. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10014. *phy = phy_8706;
  10015. break;
  10016. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10017. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10018. *phy = phy_8726;
  10019. break;
  10020. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10021. /* BCM8727_NOC => BCM8727 no over current */
  10022. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10023. *phy = phy_8727;
  10024. phy->flags |= FLAGS_NOC;
  10025. break;
  10026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10027. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10028. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10029. *phy = phy_8727;
  10030. break;
  10031. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10032. *phy = phy_8481;
  10033. break;
  10034. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10035. *phy = phy_84823;
  10036. break;
  10037. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10038. *phy = phy_84833;
  10039. break;
  10040. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10041. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10042. *phy = phy_54618se;
  10043. break;
  10044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10045. *phy = phy_7101;
  10046. break;
  10047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10048. *phy = phy_null;
  10049. return -EINVAL;
  10050. default:
  10051. *phy = phy_null;
  10052. return 0;
  10053. }
  10054. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10055. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10056. /*
  10057. * The shmem address of the phy version is located on different
  10058. * structures. In case this structure is too old, do not set
  10059. * the address
  10060. */
  10061. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10062. dev_info.shared_hw_config.config2));
  10063. if (phy_index == EXT_PHY1) {
  10064. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10065. port_mb[port].ext_phy_fw_version);
  10066. /* Check specific mdc mdio settings */
  10067. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10068. mdc_mdio_access = config2 &
  10069. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10070. } else {
  10071. u32 size = REG_RD(bp, shmem2_base);
  10072. if (size >
  10073. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10074. phy->ver_addr = shmem2_base +
  10075. offsetof(struct shmem2_region,
  10076. ext_phy_fw_version2[port]);
  10077. }
  10078. /* Check specific mdc mdio settings */
  10079. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10080. mdc_mdio_access = (config2 &
  10081. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10082. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10083. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10084. }
  10085. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10086. /*
  10087. * In case mdc/mdio_access of the external phy is different than the
  10088. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10089. * to prevent one port interfere with another port's CL45 operations.
  10090. */
  10091. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10092. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10093. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10094. phy_type, port, phy_index);
  10095. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10096. phy->addr, phy->mdio_ctrl);
  10097. return 0;
  10098. }
  10099. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10100. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10101. {
  10102. int status = 0;
  10103. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10104. if (phy_index == INT_PHY)
  10105. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10106. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10107. port, phy);
  10108. return status;
  10109. }
  10110. static void bnx2x_phy_def_cfg(struct link_params *params,
  10111. struct bnx2x_phy *phy,
  10112. u8 phy_index)
  10113. {
  10114. struct bnx2x *bp = params->bp;
  10115. u32 link_config;
  10116. /* Populate the default phy configuration for MF mode */
  10117. if (phy_index == EXT_PHY2) {
  10118. link_config = REG_RD(bp, params->shmem_base +
  10119. offsetof(struct shmem_region, dev_info.
  10120. port_feature_config[params->port].link_config2));
  10121. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10122. offsetof(struct shmem_region,
  10123. dev_info.
  10124. port_hw_config[params->port].speed_capability_mask2));
  10125. } else {
  10126. link_config = REG_RD(bp, params->shmem_base +
  10127. offsetof(struct shmem_region, dev_info.
  10128. port_feature_config[params->port].link_config));
  10129. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10130. offsetof(struct shmem_region,
  10131. dev_info.
  10132. port_hw_config[params->port].speed_capability_mask));
  10133. }
  10134. DP(NETIF_MSG_LINK,
  10135. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10136. phy_index, link_config, phy->speed_cap_mask);
  10137. phy->req_duplex = DUPLEX_FULL;
  10138. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10139. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10140. phy->req_duplex = DUPLEX_HALF;
  10141. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10142. phy->req_line_speed = SPEED_10;
  10143. break;
  10144. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10145. phy->req_duplex = DUPLEX_HALF;
  10146. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10147. phy->req_line_speed = SPEED_100;
  10148. break;
  10149. case PORT_FEATURE_LINK_SPEED_1G:
  10150. phy->req_line_speed = SPEED_1000;
  10151. break;
  10152. case PORT_FEATURE_LINK_SPEED_2_5G:
  10153. phy->req_line_speed = SPEED_2500;
  10154. break;
  10155. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10156. phy->req_line_speed = SPEED_10000;
  10157. break;
  10158. default:
  10159. phy->req_line_speed = SPEED_AUTO_NEG;
  10160. break;
  10161. }
  10162. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10163. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10164. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10165. break;
  10166. case PORT_FEATURE_FLOW_CONTROL_TX:
  10167. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10168. break;
  10169. case PORT_FEATURE_FLOW_CONTROL_RX:
  10170. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10171. break;
  10172. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10173. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10174. break;
  10175. default:
  10176. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10177. break;
  10178. }
  10179. }
  10180. u32 bnx2x_phy_selection(struct link_params *params)
  10181. {
  10182. u32 phy_config_swapped, prio_cfg;
  10183. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10184. phy_config_swapped = params->multi_phy_config &
  10185. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10186. prio_cfg = params->multi_phy_config &
  10187. PORT_HW_CFG_PHY_SELECTION_MASK;
  10188. if (phy_config_swapped) {
  10189. switch (prio_cfg) {
  10190. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10191. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10192. break;
  10193. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10194. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10195. break;
  10196. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10197. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10198. break;
  10199. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10200. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10201. break;
  10202. }
  10203. } else
  10204. return_cfg = prio_cfg;
  10205. return return_cfg;
  10206. }
  10207. int bnx2x_phy_probe(struct link_params *params)
  10208. {
  10209. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10210. u32 phy_config_swapped, sync_offset, media_types;
  10211. struct bnx2x *bp = params->bp;
  10212. struct bnx2x_phy *phy;
  10213. params->num_phys = 0;
  10214. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10215. phy_config_swapped = params->multi_phy_config &
  10216. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10217. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10218. phy_index++) {
  10219. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10220. actual_phy_idx = phy_index;
  10221. if (phy_config_swapped) {
  10222. if (phy_index == EXT_PHY1)
  10223. actual_phy_idx = EXT_PHY2;
  10224. else if (phy_index == EXT_PHY2)
  10225. actual_phy_idx = EXT_PHY1;
  10226. }
  10227. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10228. " actual_phy_idx %x\n", phy_config_swapped,
  10229. phy_index, actual_phy_idx);
  10230. phy = &params->phy[actual_phy_idx];
  10231. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10232. params->shmem2_base, params->port,
  10233. phy) != 0) {
  10234. params->num_phys = 0;
  10235. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10236. phy_index);
  10237. for (phy_index = INT_PHY;
  10238. phy_index < MAX_PHYS;
  10239. phy_index++)
  10240. *phy = phy_null;
  10241. return -EINVAL;
  10242. }
  10243. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10244. break;
  10245. sync_offset = params->shmem_base +
  10246. offsetof(struct shmem_region,
  10247. dev_info.port_hw_config[params->port].media_type);
  10248. media_types = REG_RD(bp, sync_offset);
  10249. /*
  10250. * Update media type for non-PMF sync only for the first time
  10251. * In case the media type changes afterwards, it will be updated
  10252. * using the update_status function
  10253. */
  10254. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10255. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10256. actual_phy_idx))) == 0) {
  10257. media_types |= ((phy->media_type &
  10258. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10259. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10260. actual_phy_idx));
  10261. }
  10262. REG_WR(bp, sync_offset, media_types);
  10263. bnx2x_phy_def_cfg(params, phy, phy_index);
  10264. params->num_phys++;
  10265. }
  10266. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10267. return 0;
  10268. }
  10269. void bnx2x_init_bmac_loopback(struct link_params *params,
  10270. struct link_vars *vars)
  10271. {
  10272. struct bnx2x *bp = params->bp;
  10273. vars->link_up = 1;
  10274. vars->line_speed = SPEED_10000;
  10275. vars->duplex = DUPLEX_FULL;
  10276. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10277. vars->mac_type = MAC_TYPE_BMAC;
  10278. vars->phy_flags = PHY_XGXS_FLAG;
  10279. bnx2x_xgxs_deassert(params);
  10280. /* set bmac loopback */
  10281. bnx2x_bmac_enable(params, vars, 1);
  10282. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10283. }
  10284. void bnx2x_init_emac_loopback(struct link_params *params,
  10285. struct link_vars *vars)
  10286. {
  10287. struct bnx2x *bp = params->bp;
  10288. vars->link_up = 1;
  10289. vars->line_speed = SPEED_1000;
  10290. vars->duplex = DUPLEX_FULL;
  10291. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10292. vars->mac_type = MAC_TYPE_EMAC;
  10293. vars->phy_flags = PHY_XGXS_FLAG;
  10294. bnx2x_xgxs_deassert(params);
  10295. /* set bmac loopback */
  10296. bnx2x_emac_enable(params, vars, 1);
  10297. bnx2x_emac_program(params, vars);
  10298. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10299. }
  10300. void bnx2x_init_xmac_loopback(struct link_params *params,
  10301. struct link_vars *vars)
  10302. {
  10303. struct bnx2x *bp = params->bp;
  10304. vars->link_up = 1;
  10305. if (!params->req_line_speed[0])
  10306. vars->line_speed = SPEED_10000;
  10307. else
  10308. vars->line_speed = params->req_line_speed[0];
  10309. vars->duplex = DUPLEX_FULL;
  10310. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10311. vars->mac_type = MAC_TYPE_XMAC;
  10312. vars->phy_flags = PHY_XGXS_FLAG;
  10313. /*
  10314. * Set WC to loopback mode since link is required to provide clock
  10315. * to the XMAC in 20G mode
  10316. */
  10317. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10318. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10319. params->phy[INT_PHY].config_loopback(
  10320. &params->phy[INT_PHY],
  10321. params);
  10322. bnx2x_xmac_enable(params, vars, 1);
  10323. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10324. }
  10325. void bnx2x_init_umac_loopback(struct link_params *params,
  10326. struct link_vars *vars)
  10327. {
  10328. struct bnx2x *bp = params->bp;
  10329. vars->link_up = 1;
  10330. vars->line_speed = SPEED_1000;
  10331. vars->duplex = DUPLEX_FULL;
  10332. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10333. vars->mac_type = MAC_TYPE_UMAC;
  10334. vars->phy_flags = PHY_XGXS_FLAG;
  10335. bnx2x_umac_enable(params, vars, 1);
  10336. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10337. }
  10338. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10339. struct link_vars *vars)
  10340. {
  10341. struct bnx2x *bp = params->bp;
  10342. vars->link_up = 1;
  10343. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10344. vars->duplex = DUPLEX_FULL;
  10345. if (params->req_line_speed[0] == SPEED_1000)
  10346. vars->line_speed = SPEED_1000;
  10347. else
  10348. vars->line_speed = SPEED_10000;
  10349. if (!USES_WARPCORE(bp))
  10350. bnx2x_xgxs_deassert(params);
  10351. bnx2x_link_initialize(params, vars);
  10352. if (params->req_line_speed[0] == SPEED_1000) {
  10353. if (USES_WARPCORE(bp))
  10354. bnx2x_umac_enable(params, vars, 0);
  10355. else {
  10356. bnx2x_emac_program(params, vars);
  10357. bnx2x_emac_enable(params, vars, 0);
  10358. }
  10359. } else {
  10360. if (USES_WARPCORE(bp))
  10361. bnx2x_xmac_enable(params, vars, 0);
  10362. else
  10363. bnx2x_bmac_enable(params, vars, 0);
  10364. }
  10365. if (params->loopback_mode == LOOPBACK_XGXS) {
  10366. /* set 10G XGXS loopback */
  10367. params->phy[INT_PHY].config_loopback(
  10368. &params->phy[INT_PHY],
  10369. params);
  10370. } else {
  10371. /* set external phy loopback */
  10372. u8 phy_index;
  10373. for (phy_index = EXT_PHY1;
  10374. phy_index < params->num_phys; phy_index++) {
  10375. if (params->phy[phy_index].config_loopback)
  10376. params->phy[phy_index].config_loopback(
  10377. &params->phy[phy_index],
  10378. params);
  10379. }
  10380. }
  10381. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10382. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10383. }
  10384. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10385. {
  10386. struct bnx2x *bp = params->bp;
  10387. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10388. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10389. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10390. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10391. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10392. vars->link_status = 0;
  10393. vars->phy_link_up = 0;
  10394. vars->link_up = 0;
  10395. vars->line_speed = 0;
  10396. vars->duplex = DUPLEX_FULL;
  10397. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10398. vars->mac_type = MAC_TYPE_NONE;
  10399. vars->phy_flags = 0;
  10400. /* disable attentions */
  10401. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10402. (NIG_MASK_XGXS0_LINK_STATUS |
  10403. NIG_MASK_XGXS0_LINK10G |
  10404. NIG_MASK_SERDES0_LINK_STATUS |
  10405. NIG_MASK_MI_INT));
  10406. bnx2x_emac_init(params, vars);
  10407. if (params->num_phys == 0) {
  10408. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10409. return -EINVAL;
  10410. }
  10411. set_phy_vars(params, vars);
  10412. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10413. switch (params->loopback_mode) {
  10414. case LOOPBACK_BMAC:
  10415. bnx2x_init_bmac_loopback(params, vars);
  10416. break;
  10417. case LOOPBACK_EMAC:
  10418. bnx2x_init_emac_loopback(params, vars);
  10419. break;
  10420. case LOOPBACK_XMAC:
  10421. bnx2x_init_xmac_loopback(params, vars);
  10422. break;
  10423. case LOOPBACK_UMAC:
  10424. bnx2x_init_umac_loopback(params, vars);
  10425. break;
  10426. case LOOPBACK_XGXS:
  10427. case LOOPBACK_EXT_PHY:
  10428. bnx2x_init_xgxs_loopback(params, vars);
  10429. break;
  10430. default:
  10431. if (!CHIP_IS_E3(bp)) {
  10432. if (params->switch_cfg == SWITCH_CFG_10G)
  10433. bnx2x_xgxs_deassert(params);
  10434. else
  10435. bnx2x_serdes_deassert(bp, params->port);
  10436. }
  10437. bnx2x_link_initialize(params, vars);
  10438. msleep(30);
  10439. bnx2x_link_int_enable(params);
  10440. break;
  10441. }
  10442. return 0;
  10443. }
  10444. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10445. u8 reset_ext_phy)
  10446. {
  10447. struct bnx2x *bp = params->bp;
  10448. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10449. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10450. /* disable attentions */
  10451. vars->link_status = 0;
  10452. bnx2x_update_mng(params, vars->link_status);
  10453. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10454. (NIG_MASK_XGXS0_LINK_STATUS |
  10455. NIG_MASK_XGXS0_LINK10G |
  10456. NIG_MASK_SERDES0_LINK_STATUS |
  10457. NIG_MASK_MI_INT));
  10458. /* activate nig drain */
  10459. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10460. /* disable nig egress interface */
  10461. if (!CHIP_IS_E3(bp)) {
  10462. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10463. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10464. }
  10465. /* Stop BigMac rx */
  10466. if (!CHIP_IS_E3(bp))
  10467. bnx2x_bmac_rx_disable(bp, port);
  10468. else
  10469. bnx2x_xmac_disable(params);
  10470. /* disable emac */
  10471. if (!CHIP_IS_E3(bp))
  10472. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10473. msleep(10);
  10474. /* The PHY reset is controlled by GPIO 1
  10475. * Hold it as vars low
  10476. */
  10477. /* clear link led */
  10478. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10479. if (reset_ext_phy) {
  10480. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10481. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10482. phy_index++) {
  10483. if (params->phy[phy_index].link_reset) {
  10484. bnx2x_set_aer_mmd(params,
  10485. &params->phy[phy_index]);
  10486. params->phy[phy_index].link_reset(
  10487. &params->phy[phy_index],
  10488. params);
  10489. }
  10490. if (params->phy[phy_index].flags &
  10491. FLAGS_REARM_LATCH_SIGNAL)
  10492. clear_latch_ind = 1;
  10493. }
  10494. }
  10495. if (clear_latch_ind) {
  10496. /* Clear latching indication */
  10497. bnx2x_rearm_latch_signal(bp, port, 0);
  10498. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10499. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10500. }
  10501. if (params->phy[INT_PHY].link_reset)
  10502. params->phy[INT_PHY].link_reset(
  10503. &params->phy[INT_PHY], params);
  10504. /* reset BigMac */
  10505. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10506. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10507. /* disable nig ingress interface */
  10508. if (!CHIP_IS_E3(bp)) {
  10509. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10510. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10511. }
  10512. vars->link_up = 0;
  10513. vars->phy_flags = 0;
  10514. return 0;
  10515. }
  10516. /****************************************************************************/
  10517. /* Common function */
  10518. /****************************************************************************/
  10519. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10520. u32 shmem_base_path[],
  10521. u32 shmem2_base_path[], u8 phy_index,
  10522. u32 chip_id)
  10523. {
  10524. struct bnx2x_phy phy[PORT_MAX];
  10525. struct bnx2x_phy *phy_blk[PORT_MAX];
  10526. u16 val;
  10527. s8 port = 0;
  10528. s8 port_of_path = 0;
  10529. u32 swap_val, swap_override;
  10530. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10531. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10532. port ^= (swap_val && swap_override);
  10533. bnx2x_ext_phy_hw_reset(bp, port);
  10534. /* PART1 - Reset both phys */
  10535. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10536. u32 shmem_base, shmem2_base;
  10537. /* In E2, same phy is using for port0 of the two paths */
  10538. if (CHIP_IS_E1x(bp)) {
  10539. shmem_base = shmem_base_path[0];
  10540. shmem2_base = shmem2_base_path[0];
  10541. port_of_path = port;
  10542. } else {
  10543. shmem_base = shmem_base_path[port];
  10544. shmem2_base = shmem2_base_path[port];
  10545. port_of_path = 0;
  10546. }
  10547. /* Extract the ext phy address for the port */
  10548. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10549. port_of_path, &phy[port]) !=
  10550. 0) {
  10551. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10552. return -EINVAL;
  10553. }
  10554. /* disable attentions */
  10555. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10556. port_of_path*4,
  10557. (NIG_MASK_XGXS0_LINK_STATUS |
  10558. NIG_MASK_XGXS0_LINK10G |
  10559. NIG_MASK_SERDES0_LINK_STATUS |
  10560. NIG_MASK_MI_INT));
  10561. /* Need to take the phy out of low power mode in order
  10562. to write to access its registers */
  10563. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10564. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10565. port);
  10566. /* Reset the phy */
  10567. bnx2x_cl45_write(bp, &phy[port],
  10568. MDIO_PMA_DEVAD,
  10569. MDIO_PMA_REG_CTRL,
  10570. 1<<15);
  10571. }
  10572. /* Add delay of 150ms after reset */
  10573. msleep(150);
  10574. if (phy[PORT_0].addr & 0x1) {
  10575. phy_blk[PORT_0] = &(phy[PORT_1]);
  10576. phy_blk[PORT_1] = &(phy[PORT_0]);
  10577. } else {
  10578. phy_blk[PORT_0] = &(phy[PORT_0]);
  10579. phy_blk[PORT_1] = &(phy[PORT_1]);
  10580. }
  10581. /* PART2 - Download firmware to both phys */
  10582. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10583. if (CHIP_IS_E1x(bp))
  10584. port_of_path = port;
  10585. else
  10586. port_of_path = 0;
  10587. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10588. phy_blk[port]->addr);
  10589. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10590. port_of_path))
  10591. return -EINVAL;
  10592. /* Only set bit 10 = 1 (Tx power down) */
  10593. bnx2x_cl45_read(bp, phy_blk[port],
  10594. MDIO_PMA_DEVAD,
  10595. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10596. /* Phase1 of TX_POWER_DOWN reset */
  10597. bnx2x_cl45_write(bp, phy_blk[port],
  10598. MDIO_PMA_DEVAD,
  10599. MDIO_PMA_REG_TX_POWER_DOWN,
  10600. (val | 1<<10));
  10601. }
  10602. /*
  10603. * Toggle Transmitter: Power down and then up with 600ms delay
  10604. * between
  10605. */
  10606. msleep(600);
  10607. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10608. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10609. /* Phase2 of POWER_DOWN_RESET */
  10610. /* Release bit 10 (Release Tx power down) */
  10611. bnx2x_cl45_read(bp, phy_blk[port],
  10612. MDIO_PMA_DEVAD,
  10613. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10614. bnx2x_cl45_write(bp, phy_blk[port],
  10615. MDIO_PMA_DEVAD,
  10616. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10617. msleep(15);
  10618. /* Read modify write the SPI-ROM version select register */
  10619. bnx2x_cl45_read(bp, phy_blk[port],
  10620. MDIO_PMA_DEVAD,
  10621. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10622. bnx2x_cl45_write(bp, phy_blk[port],
  10623. MDIO_PMA_DEVAD,
  10624. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10625. /* set GPIO2 back to LOW */
  10626. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10627. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10628. }
  10629. return 0;
  10630. }
  10631. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10632. u32 shmem_base_path[],
  10633. u32 shmem2_base_path[], u8 phy_index,
  10634. u32 chip_id)
  10635. {
  10636. u32 val;
  10637. s8 port;
  10638. struct bnx2x_phy phy;
  10639. /* Use port1 because of the static port-swap */
  10640. /* Enable the module detection interrupt */
  10641. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10642. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10643. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10644. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10645. bnx2x_ext_phy_hw_reset(bp, 0);
  10646. msleep(5);
  10647. for (port = 0; port < PORT_MAX; port++) {
  10648. u32 shmem_base, shmem2_base;
  10649. /* In E2, same phy is using for port0 of the two paths */
  10650. if (CHIP_IS_E1x(bp)) {
  10651. shmem_base = shmem_base_path[0];
  10652. shmem2_base = shmem2_base_path[0];
  10653. } else {
  10654. shmem_base = shmem_base_path[port];
  10655. shmem2_base = shmem2_base_path[port];
  10656. }
  10657. /* Extract the ext phy address for the port */
  10658. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10659. port, &phy) !=
  10660. 0) {
  10661. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10662. return -EINVAL;
  10663. }
  10664. /* Reset phy*/
  10665. bnx2x_cl45_write(bp, &phy,
  10666. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10667. /* Set fault module detected LED on */
  10668. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10669. MISC_REGISTERS_GPIO_HIGH,
  10670. port);
  10671. }
  10672. return 0;
  10673. }
  10674. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10675. u8 *io_gpio, u8 *io_port)
  10676. {
  10677. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10678. offsetof(struct shmem_region,
  10679. dev_info.port_hw_config[PORT_0].default_cfg));
  10680. switch (phy_gpio_reset) {
  10681. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10682. *io_gpio = 0;
  10683. *io_port = 0;
  10684. break;
  10685. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10686. *io_gpio = 1;
  10687. *io_port = 0;
  10688. break;
  10689. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10690. *io_gpio = 2;
  10691. *io_port = 0;
  10692. break;
  10693. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10694. *io_gpio = 3;
  10695. *io_port = 0;
  10696. break;
  10697. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10698. *io_gpio = 0;
  10699. *io_port = 1;
  10700. break;
  10701. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10702. *io_gpio = 1;
  10703. *io_port = 1;
  10704. break;
  10705. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10706. *io_gpio = 2;
  10707. *io_port = 1;
  10708. break;
  10709. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10710. *io_gpio = 3;
  10711. *io_port = 1;
  10712. break;
  10713. default:
  10714. /* Don't override the io_gpio and io_port */
  10715. break;
  10716. }
  10717. }
  10718. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10719. u32 shmem_base_path[],
  10720. u32 shmem2_base_path[], u8 phy_index,
  10721. u32 chip_id)
  10722. {
  10723. s8 port, reset_gpio;
  10724. u32 swap_val, swap_override;
  10725. struct bnx2x_phy phy[PORT_MAX];
  10726. struct bnx2x_phy *phy_blk[PORT_MAX];
  10727. s8 port_of_path;
  10728. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10729. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10730. reset_gpio = MISC_REGISTERS_GPIO_1;
  10731. port = 1;
  10732. /*
  10733. * Retrieve the reset gpio/port which control the reset.
  10734. * Default is GPIO1, PORT1
  10735. */
  10736. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10737. (u8 *)&reset_gpio, (u8 *)&port);
  10738. /* Calculate the port based on port swap */
  10739. port ^= (swap_val && swap_override);
  10740. /* Initiate PHY reset*/
  10741. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10742. port);
  10743. msleep(1);
  10744. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10745. port);
  10746. msleep(5);
  10747. /* PART1 - Reset both phys */
  10748. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10749. u32 shmem_base, shmem2_base;
  10750. /* In E2, same phy is using for port0 of the two paths */
  10751. if (CHIP_IS_E1x(bp)) {
  10752. shmem_base = shmem_base_path[0];
  10753. shmem2_base = shmem2_base_path[0];
  10754. port_of_path = port;
  10755. } else {
  10756. shmem_base = shmem_base_path[port];
  10757. shmem2_base = shmem2_base_path[port];
  10758. port_of_path = 0;
  10759. }
  10760. /* Extract the ext phy address for the port */
  10761. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10762. port_of_path, &phy[port]) !=
  10763. 0) {
  10764. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10765. return -EINVAL;
  10766. }
  10767. /* disable attentions */
  10768. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10769. port_of_path*4,
  10770. (NIG_MASK_XGXS0_LINK_STATUS |
  10771. NIG_MASK_XGXS0_LINK10G |
  10772. NIG_MASK_SERDES0_LINK_STATUS |
  10773. NIG_MASK_MI_INT));
  10774. /* Reset the phy */
  10775. bnx2x_cl45_write(bp, &phy[port],
  10776. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10777. }
  10778. /* Add delay of 150ms after reset */
  10779. msleep(150);
  10780. if (phy[PORT_0].addr & 0x1) {
  10781. phy_blk[PORT_0] = &(phy[PORT_1]);
  10782. phy_blk[PORT_1] = &(phy[PORT_0]);
  10783. } else {
  10784. phy_blk[PORT_0] = &(phy[PORT_0]);
  10785. phy_blk[PORT_1] = &(phy[PORT_1]);
  10786. }
  10787. /* PART2 - Download firmware to both phys */
  10788. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10789. if (CHIP_IS_E1x(bp))
  10790. port_of_path = port;
  10791. else
  10792. port_of_path = 0;
  10793. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10794. phy_blk[port]->addr);
  10795. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10796. port_of_path))
  10797. return -EINVAL;
  10798. /* Disable PHY transmitter output */
  10799. bnx2x_cl45_write(bp, phy_blk[port],
  10800. MDIO_PMA_DEVAD,
  10801. MDIO_PMA_REG_TX_DISABLE, 1);
  10802. }
  10803. return 0;
  10804. }
  10805. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10806. u32 shmem2_base_path[], u8 phy_index,
  10807. u32 ext_phy_type, u32 chip_id)
  10808. {
  10809. int rc = 0;
  10810. switch (ext_phy_type) {
  10811. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10812. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10813. shmem2_base_path,
  10814. phy_index, chip_id);
  10815. break;
  10816. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10817. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10818. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10819. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10820. shmem2_base_path,
  10821. phy_index, chip_id);
  10822. break;
  10823. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10824. /*
  10825. * GPIO1 affects both ports, so there's need to pull
  10826. * it for single port alone
  10827. */
  10828. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10829. shmem2_base_path,
  10830. phy_index, chip_id);
  10831. break;
  10832. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10833. /*
  10834. * GPIO3's are linked, and so both need to be toggled
  10835. * to obtain required 2us pulse.
  10836. */
  10837. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10838. break;
  10839. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10840. rc = -EINVAL;
  10841. break;
  10842. default:
  10843. DP(NETIF_MSG_LINK,
  10844. "ext_phy 0x%x common init not required\n",
  10845. ext_phy_type);
  10846. break;
  10847. }
  10848. if (rc != 0)
  10849. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10850. " Port %d\n",
  10851. 0);
  10852. return rc;
  10853. }
  10854. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10855. u32 shmem2_base_path[], u32 chip_id)
  10856. {
  10857. int rc = 0;
  10858. u32 phy_ver, val;
  10859. u8 phy_index = 0;
  10860. u32 ext_phy_type, ext_phy_config;
  10861. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10862. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10863. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10864. if (CHIP_IS_E3(bp)) {
  10865. /* Enable EPIO */
  10866. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10867. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10868. }
  10869. /* Check if common init was already done */
  10870. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10871. offsetof(struct shmem_region,
  10872. port_mb[PORT_0].ext_phy_fw_version));
  10873. if (phy_ver) {
  10874. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10875. phy_ver);
  10876. return 0;
  10877. }
  10878. /* Read the ext_phy_type for arbitrary port(0) */
  10879. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10880. phy_index++) {
  10881. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10882. shmem_base_path[0],
  10883. phy_index, 0);
  10884. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10885. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10886. shmem2_base_path,
  10887. phy_index, ext_phy_type,
  10888. chip_id);
  10889. }
  10890. return rc;
  10891. }
  10892. static void bnx2x_check_over_curr(struct link_params *params,
  10893. struct link_vars *vars)
  10894. {
  10895. struct bnx2x *bp = params->bp;
  10896. u32 cfg_pin;
  10897. u8 port = params->port;
  10898. u32 pin_val;
  10899. cfg_pin = (REG_RD(bp, params->shmem_base +
  10900. offsetof(struct shmem_region,
  10901. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10902. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10903. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10904. /* Ignore check if no external input PIN available */
  10905. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10906. return;
  10907. if (!pin_val) {
  10908. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10909. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10910. " been detected and the power to "
  10911. "that SFP+ module has been removed"
  10912. " to prevent failure of the card."
  10913. " Please remove the SFP+ module and"
  10914. " restart the system to clear this"
  10915. " error.\n",
  10916. params->port);
  10917. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10918. }
  10919. } else
  10920. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10921. }
  10922. static void bnx2x_analyze_link_error(struct link_params *params,
  10923. struct link_vars *vars, u32 lss_status)
  10924. {
  10925. struct bnx2x *bp = params->bp;
  10926. /* Compare new value with previous value */
  10927. u8 led_mode;
  10928. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10929. if ((lss_status ^ half_open_conn) == 0)
  10930. return;
  10931. /* If values differ */
  10932. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10933. half_open_conn, lss_status);
  10934. /*
  10935. * a. Update shmem->link_status accordingly
  10936. * b. Update link_vars->link_up
  10937. */
  10938. if (lss_status) {
  10939. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10940. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10941. vars->link_up = 0;
  10942. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10943. /*
  10944. * Set LED mode to off since the PHY doesn't know about these
  10945. * errors
  10946. */
  10947. led_mode = LED_MODE_OFF;
  10948. } else {
  10949. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10950. vars->link_status |= LINK_STATUS_LINK_UP;
  10951. vars->link_up = 1;
  10952. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10953. led_mode = LED_MODE_OPER;
  10954. }
  10955. /* Update the LED according to the link state */
  10956. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10957. /* Update link status in the shared memory */
  10958. bnx2x_update_mng(params, vars->link_status);
  10959. /* C. Trigger General Attention */
  10960. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10961. bnx2x_notify_link_changed(bp);
  10962. }
  10963. /******************************************************************************
  10964. * Description:
  10965. * This function checks for half opened connection change indication.
  10966. * When such change occurs, it calls the bnx2x_analyze_link_error
  10967. * to check if Remote Fault is set or cleared. Reception of remote fault
  10968. * status message in the MAC indicates that the peer's MAC has detected
  10969. * a fault, for example, due to break in the TX side of fiber.
  10970. *
  10971. ******************************************************************************/
  10972. static void bnx2x_check_half_open_conn(struct link_params *params,
  10973. struct link_vars *vars)
  10974. {
  10975. struct bnx2x *bp = params->bp;
  10976. u32 lss_status = 0;
  10977. u32 mac_base;
  10978. /* In case link status is physically up @ 10G do */
  10979. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10980. return;
  10981. if (CHIP_IS_E3(bp) &&
  10982. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10983. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  10984. /* Check E3 XMAC */
  10985. /*
  10986. * Note that link speed cannot be queried here, since it may be
  10987. * zero while link is down. In case UMAC is active, LSS will
  10988. * simply not be set
  10989. */
  10990. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10991. /* Clear stick bits (Requires rising edge) */
  10992. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  10993. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  10994. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  10995. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  10996. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  10997. lss_status = 1;
  10998. bnx2x_analyze_link_error(params, vars, lss_status);
  10999. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11000. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11001. /* Check E1X / E2 BMAC */
  11002. u32 lss_status_reg;
  11003. u32 wb_data[2];
  11004. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11005. NIG_REG_INGRESS_BMAC0_MEM;
  11006. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11007. if (CHIP_IS_E2(bp))
  11008. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11009. else
  11010. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11011. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11012. lss_status = (wb_data[0] > 0);
  11013. bnx2x_analyze_link_error(params, vars, lss_status);
  11014. }
  11015. }
  11016. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11017. {
  11018. struct bnx2x *bp = params->bp;
  11019. u16 phy_idx;
  11020. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11021. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11022. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11023. bnx2x_check_half_open_conn(params, vars);
  11024. break;
  11025. }
  11026. }
  11027. if (CHIP_IS_E3(bp)) {
  11028. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11029. bnx2x_set_aer_mmd(params, phy);
  11030. bnx2x_check_over_curr(params, vars);
  11031. bnx2x_warpcore_config_runtime(phy, params, vars);
  11032. }
  11033. }
  11034. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11035. {
  11036. u8 phy_index;
  11037. struct bnx2x_phy phy;
  11038. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11039. phy_index++) {
  11040. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11041. 0, &phy) != 0) {
  11042. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11043. return 0;
  11044. }
  11045. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11046. return 1;
  11047. }
  11048. return 0;
  11049. }
  11050. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11051. u32 shmem_base,
  11052. u32 shmem2_base,
  11053. u8 port)
  11054. {
  11055. u8 phy_index, fan_failure_det_req = 0;
  11056. struct bnx2x_phy phy;
  11057. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11058. phy_index++) {
  11059. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11060. port, &phy)
  11061. != 0) {
  11062. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11063. return 0;
  11064. }
  11065. fan_failure_det_req |= (phy.flags &
  11066. FLAGS_FAN_FAILURE_DET_REQ);
  11067. }
  11068. return fan_failure_det_req;
  11069. }
  11070. void bnx2x_hw_reset_phy(struct link_params *params)
  11071. {
  11072. u8 phy_index;
  11073. struct bnx2x *bp = params->bp;
  11074. bnx2x_update_mng(params, 0);
  11075. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11076. (NIG_MASK_XGXS0_LINK_STATUS |
  11077. NIG_MASK_XGXS0_LINK10G |
  11078. NIG_MASK_SERDES0_LINK_STATUS |
  11079. NIG_MASK_MI_INT));
  11080. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11081. phy_index++) {
  11082. if (params->phy[phy_index].hw_reset) {
  11083. params->phy[phy_index].hw_reset(
  11084. &params->phy[phy_index],
  11085. params);
  11086. params->phy[phy_index] = phy_null;
  11087. }
  11088. }
  11089. }
  11090. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11091. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11092. u8 port)
  11093. {
  11094. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11095. u32 val;
  11096. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11097. if (CHIP_IS_E3(bp)) {
  11098. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11099. shmem_base,
  11100. port,
  11101. &gpio_num,
  11102. &gpio_port) != 0)
  11103. return;
  11104. } else {
  11105. struct bnx2x_phy phy;
  11106. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11107. phy_index++) {
  11108. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11109. shmem2_base, port, &phy)
  11110. != 0) {
  11111. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11112. return;
  11113. }
  11114. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11115. gpio_num = MISC_REGISTERS_GPIO_3;
  11116. gpio_port = port;
  11117. break;
  11118. }
  11119. }
  11120. }
  11121. if (gpio_num == 0xff)
  11122. return;
  11123. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11124. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11125. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11126. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11127. gpio_port ^= (swap_val && swap_override);
  11128. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11129. (gpio_num + (gpio_port << 2));
  11130. sync_offset = shmem_base +
  11131. offsetof(struct shmem_region,
  11132. dev_info.port_hw_config[port].aeu_int_mask);
  11133. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11134. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11135. gpio_num, gpio_port, vars->aeu_int_mask);
  11136. if (port == 0)
  11137. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11138. else
  11139. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11140. /* Open appropriate AEU for interrupts */
  11141. aeu_mask = REG_RD(bp, offset);
  11142. aeu_mask |= vars->aeu_int_mask;
  11143. REG_WR(bp, offset, aeu_mask);
  11144. /* Enable the GPIO to trigger interrupt */
  11145. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11146. val |= 1 << (gpio_num + (gpio_port << 2));
  11147. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11148. }