bnx2x_link.c 372 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132713371347135713671377138713971407141714271437144714571467147714871497150715171527153715471557156715771587159716071617162716371647165716671677168716971707171717271737174717571767177717871797180718171827183718471857186718771887189719071917192719371947195719671977198719972007201720272037204720572067207720872097210721172127213721472157216721772187219722072217222722372247225722672277228722972307231723272337234723572367237723872397240724172427243724472457246724772487249725072517252725372547255725672577258725972607261726272637264726572667267726872697270727172727273727472757276727772787279728072817282728372847285728672877288728972907291729272937294729572967297729872997300730173027303730473057306730773087309731073117312731373147315731673177318731973207321732273237324732573267327732873297330733173327333733473357336733773387339734073417342734373447345734673477348734973507351735273537354735573567357735873597360736173627363736473657366736773687369737073717372737373747375737673777378737973807381738273837384738573867387738873897390739173927393739473957396739773987399740074017402740374047405740674077408740974107411741274137414741574167417741874197420742174227423742474257426742774287429743074317432743374347435743674377438743974407441744274437444744574467447744874497450745174527453745474557456745774587459746074617462746374647465746674677468746974707471747274737474747574767477747874797480748174827483748474857486748774887489749074917492749374947495749674977498749975007501750275037504750575067507750875097510751175127513751475157516751775187519752075217522752375247525752675277528752975307531753275337534753575367537753875397540754175427543754475457546754775487549755075517552755375547555755675577558755975607561756275637564756575667567756875697570757175727573757475757576757775787579758075817582758375847585758675877588758975907591759275937594759575967597759875997600760176027603760476057606760776087609761076117612761376147615761676177618761976207621762276237624762576267627762876297630763176327633763476357636763776387639764076417642764376447645764676477648764976507651765276537654765576567657765876597660766176627663766476657666766776687669767076717672767376747675767676777678767976807681768276837684768576867687768876897690769176927693769476957696769776987699770077017702770377047705770677077708770977107711771277137714771577167717771877197720772177227723772477257726772777287729773077317732773377347735773677377738773977407741774277437744774577467747774877497750775177527753775477557756775777587759776077617762776377647765776677677768776977707771777277737774777577767777777877797780778177827783778477857786778777887789779077917792779377947795779677977798779978007801780278037804780578067807780878097810781178127813781478157816781778187819782078217822782378247825782678277828782978307831783278337834783578367837783878397840784178427843784478457846784778487849785078517852785378547855785678577858785978607861786278637864786578667867786878697870787178727873787478757876787778787879788078817882788378847885788678877888788978907891789278937894789578967897789878997900790179027903790479057906790779087909791079117912791379147915791679177918791979207921792279237924792579267927792879297930793179327933793479357936793779387939794079417942794379447945794679477948794979507951795279537954795579567957795879597960796179627963796479657966796779687969797079717972797379747975797679777978797979807981798279837984798579867987798879897990799179927993799479957996799779987999800080018002800380048005800680078008800980108011801280138014801580168017801880198020802180228023802480258026802780288029803080318032803380348035803680378038803980408041804280438044804580468047804880498050805180528053805480558056805780588059806080618062806380648065806680678068806980708071807280738074807580768077807880798080808180828083808480858086808780888089809080918092809380948095809680978098809981008101810281038104810581068107810881098110811181128113811481158116811781188119812081218122812381248125812681278128812981308131813281338134813581368137813881398140814181428143814481458146814781488149815081518152815381548155815681578158815981608161816281638164816581668167816881698170817181728173817481758176817781788179818081818182818381848185818681878188818981908191819281938194819581968197819881998200820182028203820482058206820782088209821082118212821382148215821682178218821982208221822282238224822582268227822882298230823182328233823482358236823782388239824082418242824382448245824682478248824982508251825282538254825582568257825882598260826182628263826482658266826782688269827082718272827382748275827682778278827982808281828282838284828582868287828882898290829182928293829482958296829782988299830083018302830383048305830683078308830983108311831283138314831583168317831883198320832183228323832483258326832783288329833083318332833383348335833683378338833983408341834283438344834583468347834883498350835183528353835483558356835783588359836083618362836383648365836683678368836983708371837283738374837583768377837883798380838183828383838483858386838783888389839083918392839383948395839683978398839984008401840284038404840584068407840884098410841184128413841484158416841784188419842084218422842384248425842684278428842984308431843284338434843584368437843884398440844184428443844484458446844784488449845084518452845384548455845684578458845984608461846284638464846584668467846884698470847184728473847484758476847784788479848084818482848384848485848684878488848984908491849284938494849584968497849884998500850185028503850485058506850785088509851085118512851385148515851685178518851985208521852285238524852585268527852885298530853185328533853485358536853785388539854085418542854385448545854685478548854985508551855285538554855585568557855885598560856185628563856485658566856785688569857085718572857385748575857685778578857985808581858285838584858585868587858885898590859185928593859485958596859785988599860086018602860386048605860686078608860986108611861286138614861586168617861886198620862186228623862486258626862786288629863086318632863386348635863686378638863986408641864286438644864586468647864886498650865186528653865486558656865786588659866086618662866386648665866686678668866986708671867286738674867586768677867886798680868186828683868486858686868786888689869086918692869386948695869686978698869987008701870287038704870587068707870887098710871187128713871487158716871787188719872087218722872387248725872687278728872987308731873287338734873587368737873887398740874187428743874487458746874787488749875087518752875387548755875687578758875987608761876287638764876587668767876887698770877187728773877487758776877787788779878087818782878387848785878687878788878987908791879287938794879587968797879887998800880188028803880488058806880788088809881088118812881388148815881688178818881988208821882288238824882588268827882888298830883188328833883488358836883788388839884088418842884388448845884688478848884988508851885288538854885588568857885888598860886188628863886488658866886788688869887088718872887388748875887688778878887988808881888288838884888588868887888888898890889188928893889488958896889788988899890089018902890389048905890689078908890989108911891289138914891589168917891889198920892189228923892489258926892789288929893089318932893389348935893689378938893989408941894289438944894589468947894889498950895189528953895489558956895789588959896089618962896389648965896689678968896989708971897289738974897589768977897889798980898189828983898489858986898789888989899089918992899389948995899689978998899990009001900290039004900590069007900890099010901190129013901490159016901790189019902090219022902390249025902690279028902990309031903290339034903590369037903890399040904190429043904490459046904790489049905090519052905390549055905690579058905990609061906290639064906590669067906890699070907190729073907490759076907790789079908090819082908390849085908690879088908990909091909290939094909590969097909890999100910191029103910491059106910791089109911091119112911391149115911691179118911991209121912291239124912591269127912891299130913191329133913491359136913791389139914091419142914391449145914691479148914991509151915291539154915591569157915891599160916191629163916491659166916791689169917091719172917391749175917691779178917991809181918291839184918591869187918891899190919191929193919491959196919791989199920092019202920392049205920692079208920992109211921292139214921592169217921892199220922192229223922492259226922792289229923092319232923392349235923692379238923992409241924292439244924592469247924892499250925192529253925492559256925792589259926092619262926392649265926692679268926992709271927292739274927592769277927892799280928192829283928492859286928792889289929092919292929392949295929692979298929993009301930293039304930593069307930893099310931193129313931493159316931793189319932093219322932393249325932693279328932993309331933293339334933593369337933893399340934193429343934493459346934793489349935093519352935393549355935693579358935993609361936293639364936593669367936893699370937193729373937493759376937793789379938093819382938393849385938693879388938993909391939293939394939593969397939893999400940194029403940494059406940794089409941094119412941394149415941694179418941994209421942294239424942594269427942894299430943194329433943494359436943794389439944094419442944394449445944694479448944994509451945294539454945594569457945894599460946194629463946494659466946794689469947094719472947394749475947694779478947994809481948294839484948594869487948894899490949194929493949494959496949794989499950095019502950395049505950695079508950995109511951295139514951595169517951895199520952195229523952495259526952795289529953095319532953395349535953695379538953995409541954295439544954595469547954895499550955195529553955495559556955795589559956095619562956395649565956695679568956995709571957295739574957595769577957895799580958195829583958495859586958795889589959095919592959395949595959695979598959996009601960296039604960596069607960896099610961196129613961496159616961796189619962096219622962396249625962696279628962996309631963296339634963596369637963896399640964196429643964496459646964796489649965096519652965396549655965696579658965996609661966296639664966596669667966896699670967196729673967496759676967796789679968096819682968396849685968696879688968996909691969296939694969596969697969896999700970197029703970497059706970797089709971097119712971397149715971697179718971997209721972297239724972597269727972897299730973197329733973497359736973797389739974097419742974397449745974697479748974997509751975297539754975597569757975897599760976197629763976497659766976797689769977097719772977397749775977697779778977997809781978297839784978597869787978897899790979197929793979497959796979797989799980098019802980398049805980698079808980998109811981298139814981598169817981898199820982198229823982498259826982798289829983098319832983398349835983698379838983998409841984298439844984598469847984898499850985198529853985498559856985798589859986098619862986398649865986698679868986998709871987298739874987598769877987898799880988198829883988498859886988798889889989098919892989398949895989698979898989999009901990299039904990599069907990899099910991199129913991499159916991799189919992099219922992399249925992699279928992999309931993299339934993599369937993899399940994199429943994499459946994799489949995099519952995399549955995699579958995999609961996299639964996599669967996899699970997199729973997499759976997799789979998099819982998399849985998699879988998999909991999299939994999599969997999899991000010001100021000310004100051000610007100081000910010100111001210013100141001510016100171001810019100201002110022100231002410025100261002710028100291003010031100321003310034100351003610037100381003910040100411004210043100441004510046100471004810049100501005110052100531005410055100561005710058100591006010061100621006310064100651006610067100681006910070100711007210073100741007510076100771007810079100801008110082100831008410085100861008710088100891009010091100921009310094100951009610097100981009910100101011010210103101041010510106101071010810109101101011110112101131011410115101161011710118101191012010121101221012310124101251012610127101281012910130101311013210133101341013510136101371013810139101401014110142101431014410145101461014710148101491015010151101521015310154101551015610157101581015910160101611016210163101641016510166101671016810169101701017110172101731017410175101761017710178101791018010181101821018310184101851018610187101881018910190101911019210193101941019510196101971019810199102001020110202102031020410205102061020710208102091021010211102121021310214102151021610217102181021910220102211022210223102241022510226102271022810229102301023110232102331023410235102361023710238102391024010241102421024310244102451024610247102481024910250102511025210253102541025510256102571025810259102601026110262102631026410265102661026710268102691027010271102721027310274102751027610277102781027910280102811028210283102841028510286102871028810289102901029110292102931029410295102961029710298102991030010301103021030310304103051030610307103081030910310103111031210313103141031510316103171031810319103201032110322103231032410325103261032710328103291033010331103321033310334103351033610337103381033910340103411034210343103441034510346103471034810349103501035110352103531035410355103561035710358103591036010361103621036310364103651036610367103681036910370103711037210373103741037510376103771037810379103801038110382103831038410385103861038710388103891039010391103921039310394103951039610397103981039910400104011040210403104041040510406104071040810409104101041110412104131041410415104161041710418104191042010421104221042310424104251042610427104281042910430104311043210433104341043510436104371043810439104401044110442104431044410445104461044710448104491045010451104521045310454104551045610457104581045910460104611046210463104641046510466104671046810469104701047110472104731047410475104761047710478104791048010481104821048310484104851048610487104881048910490104911049210493104941049510496104971049810499105001050110502105031050410505105061050710508105091051010511105121051310514105151051610517105181051910520105211052210523105241052510526105271052810529105301053110532105331053410535105361053710538105391054010541105421054310544105451054610547105481054910550105511055210553105541055510556105571055810559105601056110562105631056410565105661056710568105691057010571105721057310574105751057610577105781057910580105811058210583105841058510586105871058810589105901059110592105931059410595105961059710598105991060010601106021060310604106051060610607106081060910610106111061210613106141061510616106171061810619106201062110622106231062410625106261062710628106291063010631106321063310634106351063610637106381063910640106411064210643106441064510646106471064810649106501065110652106531065410655106561065710658106591066010661106621066310664106651066610667106681066910670106711067210673106741067510676106771067810679106801068110682106831068410685106861068710688106891069010691106921069310694106951069610697106981069910700107011070210703107041070510706107071070810709107101071110712107131071410715107161071710718107191072010721107221072310724107251072610727107281072910730107311073210733107341073510736107371073810739107401074110742107431074410745107461074710748107491075010751107521075310754107551075610757107581075910760107611076210763107641076510766107671076810769107701077110772107731077410775107761077710778107791078010781107821078310784107851078610787107881078910790107911079210793107941079510796107971079810799108001080110802108031080410805108061080710808108091081010811108121081310814108151081610817108181081910820108211082210823108241082510826108271082810829108301083110832108331083410835108361083710838108391084010841108421084310844108451084610847108481084910850108511085210853108541085510856108571085810859108601086110862108631086410865108661086710868108691087010871108721087310874108751087610877108781087910880108811088210883108841088510886108871088810889108901089110892108931089410895108961089710898108991090010901109021090310904109051090610907109081090910910109111091210913109141091510916109171091810919109201092110922109231092410925109261092710928109291093010931109321093310934109351093610937109381093910940109411094210943109441094510946109471094810949109501095110952109531095410955109561095710958109591096010961109621096310964109651096610967109681096910970109711097210973109741097510976109771097810979109801098110982109831098410985109861098710988109891099010991109921099310994109951099610997109981099911000110011100211003110041100511006110071100811009110101101111012110131101411015110161101711018110191102011021110221102311024110251102611027110281102911030110311103211033110341103511036110371103811039110401104111042110431104411045110461104711048110491105011051110521105311054110551105611057110581105911060110611106211063110641106511066110671106811069110701107111072110731107411075110761107711078110791108011081110821108311084110851108611087110881108911090110911109211093110941109511096110971109811099111001110111102111031110411105111061110711108111091111011111111121111311114111151111611117111181111911120111211112211123111241112511126111271112811129111301113111132111331113411135111361113711138111391114011141111421114311144111451114611147111481114911150111511115211153111541115511156111571115811159111601116111162111631116411165111661116711168111691117011171111721117311174111751117611177111781117911180111811118211183111841118511186111871118811189111901119111192111931119411195111961119711198111991120011201112021120311204112051120611207112081120911210112111121211213112141121511216112171121811219112201122111222112231122411225112261122711228112291123011231112321123311234112351123611237112381123911240112411124211243112441124511246112471124811249112501125111252112531125411255112561125711258112591126011261112621126311264112651126611267112681126911270112711127211273112741127511276112771127811279112801128111282112831128411285112861128711288112891129011291112921129311294112951129611297112981129911300113011130211303113041130511306113071130811309113101131111312113131131411315113161131711318113191132011321113221132311324113251132611327113281132911330113311133211333113341133511336113371133811339113401134111342113431134411345113461134711348113491135011351113521135311354113551135611357113581135911360113611136211363113641136511366113671136811369113701137111372113731137411375113761137711378113791138011381113821138311384113851138611387113881138911390113911139211393113941139511396113971139811399114001140111402114031140411405114061140711408114091141011411114121141311414114151141611417114181141911420114211142211423114241142511426114271142811429114301143111432114331143411435114361143711438114391144011441114421144311444114451144611447114481144911450114511145211453114541145511456114571145811459114601146111462114631146411465114661146711468114691147011471114721147311474114751147611477114781147911480114811148211483114841148511486114871148811489114901149111492114931149411495114961149711498114991150011501115021150311504115051150611507115081150911510115111151211513115141151511516115171151811519115201152111522115231152411525115261152711528115291153011531115321153311534115351153611537115381153911540115411154211543115441154511546115471154811549115501155111552115531155411555115561155711558115591156011561115621156311564115651156611567115681156911570115711157211573115741157511576115771157811579115801158111582115831158411585115861158711588115891159011591115921159311594115951159611597115981159911600116011160211603116041160511606116071160811609116101161111612116131161411615116161161711618116191162011621116221162311624116251162611627116281162911630116311163211633116341163511636116371163811639116401164111642116431164411645116461164711648116491165011651116521165311654116551165611657116581165911660116611166211663116641166511666116671166811669116701167111672116731167411675116761167711678116791168011681116821168311684116851168611687116881168911690116911169211693116941169511696116971169811699117001170111702117031170411705117061170711708117091171011711117121171311714117151171611717117181171911720117211172211723117241172511726117271172811729117301173111732117331173411735117361173711738117391174011741117421174311744117451174611747117481174911750117511175211753117541175511756117571175811759117601176111762117631176411765117661176711768117691177011771117721177311774117751177611777117781177911780117811178211783117841178511786117871178811789117901179111792117931179411795117961179711798117991180011801118021180311804118051180611807118081180911810118111181211813118141181511816118171181811819118201182111822118231182411825118261182711828118291183011831118321183311834118351183611837118381183911840118411184211843118441184511846118471184811849118501185111852118531185411855118561185711858118591186011861118621186311864118651186611867118681186911870118711187211873118741187511876118771187811879118801188111882118831188411885118861188711888118891189011891118921189311894118951189611897118981189911900119011190211903119041190511906119071190811909119101191111912119131191411915119161191711918119191192011921119221192311924119251192611927119281192911930119311193211933119341193511936119371193811939119401194111942119431194411945119461194711948119491195011951119521195311954119551195611957119581195911960119611196211963119641196511966119671196811969119701197111972119731197411975119761197711978119791198011981119821198311984119851198611987119881198911990119911199211993119941199511996119971199811999120001200112002120031200412005120061200712008120091201012011120121201312014120151201612017120181201912020120211202212023120241202512026120271202812029120301203112032120331203412035120361203712038120391204012041120421204312044120451204612047120481204912050120511205212053120541205512056120571205812059120601206112062120631206412065120661206712068120691207012071120721207312074120751207612077120781207912080120811208212083120841208512086120871208812089120901209112092120931209412095120961209712098120991210012101121021210312104121051210612107121081210912110121111211212113121141211512116121171211812119121201212112122121231212412125121261212712128121291213012131121321213312134121351213612137121381213912140121411214212143121441214512146121471214812149121501215112152121531215412155121561215712158121591216012161121621216312164121651216612167121681216912170121711217212173121741217512176121771217812179121801218112182121831218412185121861218712188121891219012191121921219312194121951219612197121981219912200122011220212203122041220512206122071220812209122101221112212122131221412215122161221712218122191222012221122221222312224122251222612227122281222912230122311223212233122341223512236122371223812239122401224112242122431224412245122461224712248122491225012251122521225312254122551225612257122581225912260122611226212263122641226512266122671226812269122701227112272122731227412275122761227712278122791228012281122821228312284122851228612287122881228912290122911229212293122941229512296122971229812299123001230112302123031230412305123061230712308123091231012311123121231312314123151231612317123181231912320123211232212323123241232512326123271232812329123301233112332123331233412335123361233712338123391234012341123421234312344123451234612347123481234912350123511235212353123541235512356123571235812359123601236112362123631236412365123661236712368123691237012371123721237312374123751237612377123781237912380123811238212383123841238512386123871238812389123901239112392123931239412395123961239712398123991240012401124021240312404124051240612407124081240912410124111241212413124141241512416124171241812419124201242112422124231242412425124261242712428124291243012431124321243312434124351243612437124381243912440124411244212443124441244512446124471244812449124501245112452124531245412455124561245712458124591246012461124621246312464124651246612467124681246912470124711247212473124741247512476124771247812479124801248112482124831248412485124861248712488124891249012491124921249312494124951249612497124981249912500125011250212503125041250512506125071250812509125101251112512125131251412515125161251712518125191252012521125221252312524125251252612527125281252912530125311253212533125341253512536125371253812539125401254112542125431254412545125461254712548125491255012551125521255312554125551255612557125581255912560125611256212563125641256512566125671256812569125701257112572125731257412575125761257712578125791258012581125821258312584125851258612587125881258912590125911259212593125941259512596125971259812599126001260112602126031260412605126061260712608126091261012611126121261312614126151261612617126181261912620126211262212623126241262512626126271262812629126301263112632126331263412635126361263712638126391264012641126421264312644126451264612647126481264912650126511265212653126541265512656126571265812659126601266112662126631266412665126661266712668126691267012671126721267312674126751267612677126781267912680126811268212683126841268512686126871268812689126901269112692126931269412695126961269712698126991270012701127021270312704127051270612707127081270912710127111271212713127141271512716127171271812719127201272112722127231272412725127261272712728127291273012731127321273312734127351273612737127381273912740127411274212743127441274512746127471274812749127501275112752127531275412755127561275712758127591276012761127621276312764127651276612767127681276912770127711277212773127741277512776127771277812779127801278112782127831278412785127861278712788127891279012791127921279312794127951279612797127981279912800128011280212803128041280512806128071280812809128101281112812128131281412815128161281712818128191282012821128221282312824128251282612827128281282912830128311283212833128341283512836128371283812839128401284112842128431284412845128461284712848128491285012851128521285312854128551285612857128581285912860128611286212863128641286512866128671286812869128701287112872128731287412875128761287712878128791288012881128821288312884128851288612887128881288912890128911289212893128941289512896128971289812899129001290112902129031290412905129061290712908129091291012911129121291312914129151291612917129181291912920129211292212923129241292512926129271292812929129301293112932129331293412935129361293712938129391294012941129421294312944129451294612947129481294912950129511295212953129541295512956129571295812959
  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define MCPR_IMC_COMMAND_READ_OP 1
  40. #define MCPR_IMC_COMMAND_WRITE_OP 2
  41. /* LED Blink rate that will achieve ~15.9Hz */
  42. #define LED_BLINK_RATE_VAL_E3 354
  43. #define LED_BLINK_RATE_VAL_E1X_E2 480
  44. /***********************************************************/
  45. /* Shortcut definitions */
  46. /***********************************************************/
  47. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  48. #define NIG_STATUS_EMAC0_MI_INT \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  50. #define NIG_STATUS_XGXS0_LINK10G \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  52. #define NIG_STATUS_XGXS0_LINK_STATUS \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  54. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  56. #define NIG_STATUS_SERDES0_LINK_STATUS \
  57. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  58. #define NIG_MASK_MI_INT \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  60. #define NIG_MASK_XGXS0_LINK10G \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  62. #define NIG_MASK_XGXS0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  64. #define NIG_MASK_SERDES0_LINK_STATUS \
  65. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  66. #define MDIO_AN_CL73_OR_37_COMPLETE \
  67. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  68. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  69. #define XGXS_RESET_BITS \
  70. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  75. #define SERDES_RESET_BITS \
  76. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  80. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  81. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  82. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  83. #define AUTONEG_PARALLEL \
  84. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  85. #define AUTONEG_SGMII_FIBER_AUTODET \
  86. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  87. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  88. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  90. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  92. #define GP_STATUS_SPEED_MASK \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  94. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  95. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  96. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  97. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  98. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  99. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  100. #define GP_STATUS_10G_HIG \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  102. #define GP_STATUS_10G_CX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  104. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  105. #define GP_STATUS_10G_KX4 \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  107. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  108. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  109. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  110. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  111. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  112. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  113. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  114. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  115. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  116. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  117. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  118. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  119. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  120. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  121. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  122. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  123. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  124. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  125. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  126. /* */
  127. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  128. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  129. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  130. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  131. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  132. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  133. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  134. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  137. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  138. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  139. #define SFP_EEPROM_OPTIONS_SIZE 2
  140. #define EDC_MODE_LINEAR 0x0022
  141. #define EDC_MODE_LIMITING 0x0044
  142. #define EDC_MODE_PASSIVE_DAC 0x0055
  143. /* BRB default for class 0 E2 */
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  148. /* BRB thresholds for E2*/
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  157. /* BRB default for class 0 E3A0 */
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  162. /* BRB thresholds for E3A0 */
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  171. /* BRB default for E3B0 */
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  176. /* BRB thresholds for E3B0 2 port mode*/
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  185. /* only for E3B0*/
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  188. /* Lossy +Lossless GUARANTIED == GUART */
  189. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  190. /* Lossless +Lossless*/
  191. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  192. /* Lossy +Lossy*/
  193. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  194. /* Lossy +Lossless*/
  195. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  196. /* Lossless +Lossless*/
  197. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  198. /* Lossy +Lossy*/
  199. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  200. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  203. /* BRB thresholds for E3B0 4 port mode */
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  212. /* only for E3B0*/
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  215. #define PFC_E3B0_4P_LB_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  220. /* Pause defines*/
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  223. #define DEFAULT_E3B0_LB_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  228. /* ETS defines*/
  229. #define DCBX_INVALID_COS (0xFF)
  230. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  231. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  234. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  235. #define MAX_PACKET_SIZE (9700)
  236. #define WC_UC_TIMEOUT 100
  237. #define MAX_KR_LINK_RETRY 4
  238. /**********************************************************/
  239. /* INTERFACE */
  240. /**********************************************************/
  241. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  242. bnx2x_cl45_write(_bp, _phy, \
  243. (_phy)->def_md_devad, \
  244. (_bank + (_addr & 0xf)), \
  245. _val)
  246. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  247. bnx2x_cl45_read(_bp, _phy, \
  248. (_phy)->def_md_devad, \
  249. (_bank + (_addr & 0xf)), \
  250. _val)
  251. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  252. {
  253. u32 val = REG_RD(bp, reg);
  254. val |= bits;
  255. REG_WR(bp, reg, val);
  256. return val;
  257. }
  258. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  259. {
  260. u32 val = REG_RD(bp, reg);
  261. val &= ~bits;
  262. REG_WR(bp, reg, val);
  263. return val;
  264. }
  265. /******************************************************************/
  266. /* EPIO/GPIO section */
  267. /******************************************************************/
  268. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  269. {
  270. u32 epio_mask, gp_oenable;
  271. *en = 0;
  272. /* Sanity check */
  273. if (epio_pin > 31) {
  274. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  275. return;
  276. }
  277. epio_mask = 1 << epio_pin;
  278. /* Set this EPIO to output */
  279. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  280. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  281. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  282. }
  283. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  284. {
  285. u32 epio_mask, gp_output, gp_oenable;
  286. /* Sanity check */
  287. if (epio_pin > 31) {
  288. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  289. return;
  290. }
  291. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  292. epio_mask = 1 << epio_pin;
  293. /* Set this EPIO to output */
  294. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  295. if (en)
  296. gp_output |= epio_mask;
  297. else
  298. gp_output &= ~epio_mask;
  299. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  300. /* Set the value for this EPIO */
  301. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  302. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  303. }
  304. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  305. {
  306. if (pin_cfg == PIN_CFG_NA)
  307. return;
  308. if (pin_cfg >= PIN_CFG_EPIO0) {
  309. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  310. } else {
  311. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  312. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  313. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  314. }
  315. }
  316. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  317. {
  318. if (pin_cfg == PIN_CFG_NA)
  319. return -EINVAL;
  320. if (pin_cfg >= PIN_CFG_EPIO0) {
  321. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  322. } else {
  323. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  324. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  325. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  326. }
  327. return 0;
  328. }
  329. /******************************************************************/
  330. /* ETS section */
  331. /******************************************************************/
  332. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  333. {
  334. /* ETS disabled configuration*/
  335. struct bnx2x *bp = params->bp;
  336. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  337. /*
  338. * mapping between entry priority to client number (0,1,2 -debug and
  339. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  340. * 3bits client num.
  341. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  342. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  343. */
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  345. /*
  346. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  347. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  348. * COS0 entry, 4 - COS1 entry.
  349. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  350. * bit4 bit3 bit2 bit1 bit0
  351. * MCP and debug are strict
  352. */
  353. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  354. /* defines which entries (clients) are subjected to WFQ arbitration */
  355. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  356. /*
  357. * For strict priority entries defines the number of consecutive
  358. * slots for the highest priority.
  359. */
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  361. /*
  362. * mapping between the CREDIT_WEIGHT registers and actual client
  363. * numbers
  364. */
  365. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  370. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  371. /* ETS mode disable */
  372. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  373. /*
  374. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  375. * weight for COS0/COS1.
  376. */
  377. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  378. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  379. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  380. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  381. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  382. /* Defines the number of consecutive slots for the strict priority */
  383. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  384. }
  385. /******************************************************************************
  386. * Description:
  387. * Getting min_w_val will be set according to line speed .
  388. *.
  389. ******************************************************************************/
  390. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  391. {
  392. u32 min_w_val = 0;
  393. /* Calculate min_w_val.*/
  394. if (vars->link_up) {
  395. if (vars->line_speed == SPEED_20000)
  396. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  397. else
  398. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  399. } else
  400. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  401. /**
  402. * If the link isn't up (static configuration for example ) The
  403. * link will be according to 20GBPS.
  404. */
  405. return min_w_val;
  406. }
  407. /******************************************************************************
  408. * Description:
  409. * Getting credit upper bound form min_w_val.
  410. *.
  411. ******************************************************************************/
  412. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  413. {
  414. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  415. MAX_PACKET_SIZE);
  416. return credit_upper_bound;
  417. }
  418. /******************************************************************************
  419. * Description:
  420. * Set credit upper bound for NIG.
  421. *.
  422. ******************************************************************************/
  423. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  424. const struct link_params *params,
  425. const u32 min_w_val)
  426. {
  427. struct bnx2x *bp = params->bp;
  428. const u8 port = params->port;
  429. const u32 credit_upper_bound =
  430. bnx2x_ets_get_credit_upper_bound(min_w_val);
  431. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  432. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  433. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  434. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  435. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  436. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  437. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  438. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  439. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  440. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  441. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  442. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  443. if (!port) {
  444. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  445. credit_upper_bound);
  446. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  447. credit_upper_bound);
  448. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  449. credit_upper_bound);
  450. }
  451. }
  452. /******************************************************************************
  453. * Description:
  454. * Will return the NIG ETS registers to init values.Except
  455. * credit_upper_bound.
  456. * That isn't used in this configuration (No WFQ is enabled) and will be
  457. * configured acording to spec
  458. *.
  459. ******************************************************************************/
  460. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  461. const struct link_vars *vars)
  462. {
  463. struct bnx2x *bp = params->bp;
  464. const u8 port = params->port;
  465. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  466. /**
  467. * mapping between entry priority to client number (0,1,2 -debug and
  468. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  469. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  470. * reset value or init tool
  471. */
  472. if (port) {
  473. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  474. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  475. } else {
  476. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  478. }
  479. /**
  480. * For strict priority entries defines the number of consecutive
  481. * slots for the highest priority.
  482. */
  483. /* TODO_ETS - Should be done by reset value or init tool */
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  485. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  486. /**
  487. * mapping between the CREDIT_WEIGHT registers and actual client
  488. * numbers
  489. */
  490. /* TODO_ETS - Should be done by reset value or init tool */
  491. if (port) {
  492. /*Port 1 has 6 COS*/
  493. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  494. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  495. } else {
  496. /*Port 0 has 9 COS*/
  497. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  498. 0x43210876);
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  500. }
  501. /**
  502. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  503. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  504. * COS0 entry, 4 - COS1 entry.
  505. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  506. * bit4 bit3 bit2 bit1 bit0
  507. * MCP and debug are strict
  508. */
  509. if (port)
  510. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  511. else
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  513. /* defines which entries (clients) are subjected to WFQ arbitration */
  514. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  515. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  516. /**
  517. * Please notice the register address are note continuous and a
  518. * for here is note appropriate.In 2 port mode port0 only COS0-5
  519. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  520. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  521. * are never used for WFQ
  522. */
  523. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  524. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  525. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  526. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  527. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  528. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  529. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  530. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  531. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  532. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  533. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  534. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  535. if (!port) {
  536. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  538. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  539. }
  540. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  541. }
  542. /******************************************************************************
  543. * Description:
  544. * Set credit upper bound for PBF.
  545. *.
  546. ******************************************************************************/
  547. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  548. const struct link_params *params,
  549. const u32 min_w_val)
  550. {
  551. struct bnx2x *bp = params->bp;
  552. const u32 credit_upper_bound =
  553. bnx2x_ets_get_credit_upper_bound(min_w_val);
  554. const u8 port = params->port;
  555. u32 base_upper_bound = 0;
  556. u8 max_cos = 0;
  557. u8 i = 0;
  558. /**
  559. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  560. * port mode port1 has COS0-2 that can be used for WFQ.
  561. */
  562. if (!port) {
  563. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  564. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  565. } else {
  566. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  567. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  568. }
  569. for (i = 0; i < max_cos; i++)
  570. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  571. }
  572. /******************************************************************************
  573. * Description:
  574. * Will return the PBF ETS registers to init values.Except
  575. * credit_upper_bound.
  576. * That isn't used in this configuration (No WFQ is enabled) and will be
  577. * configured acording to spec
  578. *.
  579. ******************************************************************************/
  580. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  581. {
  582. struct bnx2x *bp = params->bp;
  583. const u8 port = params->port;
  584. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  585. u8 i = 0;
  586. u32 base_weight = 0;
  587. u8 max_cos = 0;
  588. /**
  589. * mapping between entry priority to client number 0 - COS0
  590. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  591. * TODO_ETS - Should be done by reset value or init tool
  592. */
  593. if (port)
  594. /* 0x688 (|011|0 10|00 1|000) */
  595. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  596. else
  597. /* (10 1|100 |011|0 10|00 1|000) */
  598. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  599. /* TODO_ETS - Should be done by reset value or init tool */
  600. if (port)
  601. /* 0x688 (|011|0 10|00 1|000)*/
  602. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  603. else
  604. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  605. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  606. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  607. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  608. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  609. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  610. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  611. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  612. /**
  613. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  614. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  615. */
  616. if (!port) {
  617. base_weight = PBF_REG_COS0_WEIGHT_P0;
  618. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  619. } else {
  620. base_weight = PBF_REG_COS0_WEIGHT_P1;
  621. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  622. }
  623. for (i = 0; i < max_cos; i++)
  624. REG_WR(bp, base_weight + (0x4 * i), 0);
  625. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  626. }
  627. /******************************************************************************
  628. * Description:
  629. * E3B0 disable will return basicly the values to init values.
  630. *.
  631. ******************************************************************************/
  632. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  633. const struct link_vars *vars)
  634. {
  635. struct bnx2x *bp = params->bp;
  636. if (!CHIP_IS_E3B0(bp)) {
  637. DP(NETIF_MSG_LINK,
  638. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  639. return -EINVAL;
  640. }
  641. bnx2x_ets_e3b0_nig_disabled(params, vars);
  642. bnx2x_ets_e3b0_pbf_disabled(params);
  643. return 0;
  644. }
  645. /******************************************************************************
  646. * Description:
  647. * Disable will return basicly the values to init values.
  648. *.
  649. ******************************************************************************/
  650. int bnx2x_ets_disabled(struct link_params *params,
  651. struct link_vars *vars)
  652. {
  653. struct bnx2x *bp = params->bp;
  654. int bnx2x_status = 0;
  655. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  656. bnx2x_ets_e2e3a0_disabled(params);
  657. else if (CHIP_IS_E3B0(bp))
  658. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  659. else {
  660. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  661. return -EINVAL;
  662. }
  663. return bnx2x_status;
  664. }
  665. /******************************************************************************
  666. * Description
  667. * Set the COS mappimg to SP and BW until this point all the COS are not
  668. * set as SP or BW.
  669. ******************************************************************************/
  670. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  671. const struct bnx2x_ets_params *ets_params,
  672. const u8 cos_sp_bitmap,
  673. const u8 cos_bw_bitmap)
  674. {
  675. struct bnx2x *bp = params->bp;
  676. const u8 port = params->port;
  677. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  678. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  679. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  680. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  681. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  682. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  683. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  684. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  685. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  686. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  687. nig_cli_subject2wfq_bitmap);
  688. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  689. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  690. pbf_cli_subject2wfq_bitmap);
  691. return 0;
  692. }
  693. /******************************************************************************
  694. * Description:
  695. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  696. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  697. ******************************************************************************/
  698. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  699. const u8 cos_entry,
  700. const u32 min_w_val_nig,
  701. const u32 min_w_val_pbf,
  702. const u16 total_bw,
  703. const u8 bw,
  704. const u8 port)
  705. {
  706. u32 nig_reg_adress_crd_weight = 0;
  707. u32 pbf_reg_adress_crd_weight = 0;
  708. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  709. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  710. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  711. switch (cos_entry) {
  712. case 0:
  713. nig_reg_adress_crd_weight =
  714. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  715. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  716. pbf_reg_adress_crd_weight = (port) ?
  717. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  718. break;
  719. case 1:
  720. nig_reg_adress_crd_weight = (port) ?
  721. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  722. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  723. pbf_reg_adress_crd_weight = (port) ?
  724. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  725. break;
  726. case 2:
  727. nig_reg_adress_crd_weight = (port) ?
  728. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  729. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  730. pbf_reg_adress_crd_weight = (port) ?
  731. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  732. break;
  733. case 3:
  734. if (port)
  735. return -EINVAL;
  736. nig_reg_adress_crd_weight =
  737. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  738. pbf_reg_adress_crd_weight =
  739. PBF_REG_COS3_WEIGHT_P0;
  740. break;
  741. case 4:
  742. if (port)
  743. return -EINVAL;
  744. nig_reg_adress_crd_weight =
  745. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  746. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  747. break;
  748. case 5:
  749. if (port)
  750. return -EINVAL;
  751. nig_reg_adress_crd_weight =
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  753. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  754. break;
  755. }
  756. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  757. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  758. return 0;
  759. }
  760. /******************************************************************************
  761. * Description:
  762. * Calculate the total BW.A value of 0 isn't legal.
  763. *.
  764. ******************************************************************************/
  765. static int bnx2x_ets_e3b0_get_total_bw(
  766. const struct link_params *params,
  767. struct bnx2x_ets_params *ets_params,
  768. u16 *total_bw)
  769. {
  770. struct bnx2x *bp = params->bp;
  771. u8 cos_idx = 0;
  772. u8 is_bw_cos_exist = 0;
  773. *total_bw = 0 ;
  774. /* Calculate total BW requested */
  775. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  776. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  777. is_bw_cos_exist = 1;
  778. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  779. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  780. "was set to 0\n");
  781. /*
  782. * This is to prevent a state when ramrods
  783. * can't be sent
  784. */
  785. ets_params->cos[cos_idx].params.bw_params.bw
  786. = 1;
  787. }
  788. *total_bw +=
  789. ets_params->cos[cos_idx].params.bw_params.bw;
  790. }
  791. }
  792. /* Check total BW is valid */
  793. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  794. if (*total_bw == 0) {
  795. DP(NETIF_MSG_LINK,
  796. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  797. return -EINVAL;
  798. }
  799. DP(NETIF_MSG_LINK,
  800. "bnx2x_ets_E3B0_config total BW should be 100\n");
  801. /*
  802. * We can handle a case whre the BW isn't 100 this can happen
  803. * if the TC are joined.
  804. */
  805. }
  806. return 0;
  807. }
  808. /******************************************************************************
  809. * Description:
  810. * Invalidate all the sp_pri_to_cos.
  811. *.
  812. ******************************************************************************/
  813. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  814. {
  815. u8 pri = 0;
  816. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  817. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  818. }
  819. /******************************************************************************
  820. * Description:
  821. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  822. * according to sp_pri_to_cos.
  823. *.
  824. ******************************************************************************/
  825. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  826. u8 *sp_pri_to_cos, const u8 pri,
  827. const u8 cos_entry)
  828. {
  829. struct bnx2x *bp = params->bp;
  830. const u8 port = params->port;
  831. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  832. DCBX_E3B0_MAX_NUM_COS_PORT0;
  833. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  834. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  835. "parameter There can't be two COS's with "
  836. "the same strict pri\n");
  837. return -EINVAL;
  838. }
  839. if (pri > max_num_of_cos) {
  840. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  841. "parameter Illegal strict priority\n");
  842. return -EINVAL;
  843. }
  844. sp_pri_to_cos[pri] = cos_entry;
  845. return 0;
  846. }
  847. /******************************************************************************
  848. * Description:
  849. * Returns the correct value according to COS and priority in
  850. * the sp_pri_cli register.
  851. *.
  852. ******************************************************************************/
  853. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  854. const u8 pri_set,
  855. const u8 pri_offset,
  856. const u8 entry_size)
  857. {
  858. u64 pri_cli_nig = 0;
  859. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  860. (pri_set + pri_offset));
  861. return pri_cli_nig;
  862. }
  863. /******************************************************************************
  864. * Description:
  865. * Returns the correct value according to COS and priority in the
  866. * sp_pri_cli register for NIG.
  867. *.
  868. ******************************************************************************/
  869. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  870. {
  871. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  872. const u8 nig_cos_offset = 3;
  873. const u8 nig_pri_offset = 3;
  874. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  875. nig_pri_offset, 4);
  876. }
  877. /******************************************************************************
  878. * Description:
  879. * Returns the correct value according to COS and priority in the
  880. * sp_pri_cli register for PBF.
  881. *.
  882. ******************************************************************************/
  883. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  884. {
  885. const u8 pbf_cos_offset = 0;
  886. const u8 pbf_pri_offset = 0;
  887. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  888. pbf_pri_offset, 3);
  889. }
  890. /******************************************************************************
  891. * Description:
  892. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  893. * according to sp_pri_to_cos.(which COS has higher priority)
  894. *.
  895. ******************************************************************************/
  896. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  897. u8 *sp_pri_to_cos)
  898. {
  899. struct bnx2x *bp = params->bp;
  900. u8 i = 0;
  901. const u8 port = params->port;
  902. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  903. u64 pri_cli_nig = 0x210;
  904. u32 pri_cli_pbf = 0x0;
  905. u8 pri_set = 0;
  906. u8 pri_bitmask = 0;
  907. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  908. DCBX_E3B0_MAX_NUM_COS_PORT0;
  909. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  910. /* Set all the strict priority first */
  911. for (i = 0; i < max_num_of_cos; i++) {
  912. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  913. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  914. DP(NETIF_MSG_LINK,
  915. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  916. "invalid cos entry\n");
  917. return -EINVAL;
  918. }
  919. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  920. sp_pri_to_cos[i], pri_set);
  921. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  922. sp_pri_to_cos[i], pri_set);
  923. pri_bitmask = 1 << sp_pri_to_cos[i];
  924. /* COS is used remove it from bitmap.*/
  925. if (!(pri_bitmask & cos_bit_to_set)) {
  926. DP(NETIF_MSG_LINK,
  927. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  928. "invalid There can't be two COS's with"
  929. " the same strict pri\n");
  930. return -EINVAL;
  931. }
  932. cos_bit_to_set &= ~pri_bitmask;
  933. pri_set++;
  934. }
  935. }
  936. /* Set all the Non strict priority i= COS*/
  937. for (i = 0; i < max_num_of_cos; i++) {
  938. pri_bitmask = 1 << i;
  939. /* Check if COS was already used for SP */
  940. if (pri_bitmask & cos_bit_to_set) {
  941. /* COS wasn't used for SP */
  942. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  943. i, pri_set);
  944. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  945. i, pri_set);
  946. /* COS is used remove it from bitmap.*/
  947. cos_bit_to_set &= ~pri_bitmask;
  948. pri_set++;
  949. }
  950. }
  951. if (pri_set != max_num_of_cos) {
  952. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  953. "entries were set\n");
  954. return -EINVAL;
  955. }
  956. if (port) {
  957. /* Only 6 usable clients*/
  958. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  959. (u32)pri_cli_nig);
  960. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  961. } else {
  962. /* Only 9 usable clients*/
  963. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  964. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  965. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  966. pri_cli_nig_lsb);
  967. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  968. pri_cli_nig_msb);
  969. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  970. }
  971. return 0;
  972. }
  973. /******************************************************************************
  974. * Description:
  975. * Configure the COS to ETS according to BW and SP settings.
  976. ******************************************************************************/
  977. int bnx2x_ets_e3b0_config(const struct link_params *params,
  978. const struct link_vars *vars,
  979. struct bnx2x_ets_params *ets_params)
  980. {
  981. struct bnx2x *bp = params->bp;
  982. int bnx2x_status = 0;
  983. const u8 port = params->port;
  984. u16 total_bw = 0;
  985. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  986. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  987. u8 cos_bw_bitmap = 0;
  988. u8 cos_sp_bitmap = 0;
  989. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  990. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  991. DCBX_E3B0_MAX_NUM_COS_PORT0;
  992. u8 cos_entry = 0;
  993. if (!CHIP_IS_E3B0(bp)) {
  994. DP(NETIF_MSG_LINK,
  995. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  996. return -EINVAL;
  997. }
  998. if ((ets_params->num_of_cos > max_num_of_cos)) {
  999. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1000. "isn't supported\n");
  1001. return -EINVAL;
  1002. }
  1003. /* Prepare sp strict priority parameters*/
  1004. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1005. /* Prepare BW parameters*/
  1006. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1007. &total_bw);
  1008. if (bnx2x_status) {
  1009. DP(NETIF_MSG_LINK,
  1010. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1011. return -EINVAL;
  1012. }
  1013. /*
  1014. * Upper bound is set according to current link speed (min_w_val
  1015. * should be the same for upper bound and COS credit val).
  1016. */
  1017. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1018. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1019. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1020. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1021. cos_bw_bitmap |= (1 << cos_entry);
  1022. /*
  1023. * The function also sets the BW in HW(not the mappin
  1024. * yet)
  1025. */
  1026. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1027. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1028. total_bw,
  1029. ets_params->cos[cos_entry].params.bw_params.bw,
  1030. port);
  1031. } else if (bnx2x_cos_state_strict ==
  1032. ets_params->cos[cos_entry].state){
  1033. cos_sp_bitmap |= (1 << cos_entry);
  1034. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1035. params,
  1036. sp_pri_to_cos,
  1037. ets_params->cos[cos_entry].params.sp_params.pri,
  1038. cos_entry);
  1039. } else {
  1040. DP(NETIF_MSG_LINK,
  1041. "bnx2x_ets_e3b0_config cos state not valid\n");
  1042. return -EINVAL;
  1043. }
  1044. if (bnx2x_status) {
  1045. DP(NETIF_MSG_LINK,
  1046. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1047. return bnx2x_status;
  1048. }
  1049. }
  1050. /* Set SP register (which COS has higher priority) */
  1051. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1052. sp_pri_to_cos);
  1053. if (bnx2x_status) {
  1054. DP(NETIF_MSG_LINK,
  1055. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1056. return bnx2x_status;
  1057. }
  1058. /* Set client mapping of BW and strict */
  1059. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1060. cos_sp_bitmap,
  1061. cos_bw_bitmap);
  1062. if (bnx2x_status) {
  1063. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1064. return bnx2x_status;
  1065. }
  1066. return 0;
  1067. }
  1068. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1069. {
  1070. /* ETS disabled configuration */
  1071. struct bnx2x *bp = params->bp;
  1072. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1073. /*
  1074. * defines which entries (clients) are subjected to WFQ arbitration
  1075. * COS0 0x8
  1076. * COS1 0x10
  1077. */
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1079. /*
  1080. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1081. * client numbers (WEIGHT_0 does not actually have to represent
  1082. * client 0)
  1083. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1084. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1085. */
  1086. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1087. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1088. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1089. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1090. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1091. /* ETS mode enabled*/
  1092. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1093. /* Defines the number of consecutive slots for the strict priority */
  1094. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1095. /*
  1096. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1097. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1098. * entry, 4 - COS1 entry.
  1099. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1100. * bit4 bit3 bit2 bit1 bit0
  1101. * MCP and debug are strict
  1102. */
  1103. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1104. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1105. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1106. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1107. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1108. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1109. }
  1110. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1111. const u32 cos1_bw)
  1112. {
  1113. /* ETS disabled configuration*/
  1114. struct bnx2x *bp = params->bp;
  1115. const u32 total_bw = cos0_bw + cos1_bw;
  1116. u32 cos0_credit_weight = 0;
  1117. u32 cos1_credit_weight = 0;
  1118. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1119. if ((!total_bw) ||
  1120. (!cos0_bw) ||
  1121. (!cos1_bw)) {
  1122. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1123. return;
  1124. }
  1125. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1126. total_bw;
  1127. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1128. total_bw;
  1129. bnx2x_ets_bw_limit_common(params);
  1130. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1132. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1133. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1134. }
  1135. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1136. {
  1137. /* ETS disabled configuration*/
  1138. struct bnx2x *bp = params->bp;
  1139. u32 val = 0;
  1140. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1141. /*
  1142. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1143. * as strict. Bits 0,1,2 - debug and management entries,
  1144. * 3 - COS0 entry, 4 - COS1 entry.
  1145. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1146. * bit4 bit3 bit2 bit1 bit0
  1147. * MCP and debug are strict
  1148. */
  1149. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1150. /*
  1151. * For strict priority entries defines the number of consecutive slots
  1152. * for the highest priority.
  1153. */
  1154. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1155. /* ETS mode disable */
  1156. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1157. /* Defines the number of consecutive slots for the strict priority */
  1158. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1159. /* Defines the number of consecutive slots for the strict priority */
  1160. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1161. /*
  1162. * mapping between entry priority to client number (0,1,2 -debug and
  1163. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1164. * 3bits client num.
  1165. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1166. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1167. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1168. */
  1169. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1170. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1171. return 0;
  1172. }
  1173. /******************************************************************/
  1174. /* PFC section */
  1175. /******************************************************************/
  1176. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1177. struct link_vars *vars,
  1178. u8 is_lb)
  1179. {
  1180. struct bnx2x *bp = params->bp;
  1181. u32 xmac_base;
  1182. u32 pause_val, pfc0_val, pfc1_val;
  1183. /* XMAC base adrr */
  1184. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1185. /* Initialize pause and pfc registers */
  1186. pause_val = 0x18000;
  1187. pfc0_val = 0xFFFF8000;
  1188. pfc1_val = 0x2;
  1189. /* No PFC support */
  1190. if (!(params->feature_config_flags &
  1191. FEATURE_CONFIG_PFC_ENABLED)) {
  1192. /*
  1193. * RX flow control - Process pause frame in receive direction
  1194. */
  1195. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1196. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1197. /*
  1198. * TX flow control - Send pause packet when buffer is full
  1199. */
  1200. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1201. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1202. } else {/* PFC support */
  1203. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1204. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1205. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1206. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1207. }
  1208. /* Write pause and PFC registers */
  1209. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1210. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1211. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1212. /* Set MAC address for source TX Pause/PFC frames */
  1213. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1214. ((params->mac_addr[2] << 24) |
  1215. (params->mac_addr[3] << 16) |
  1216. (params->mac_addr[4] << 8) |
  1217. (params->mac_addr[5])));
  1218. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1219. ((params->mac_addr[0] << 8) |
  1220. (params->mac_addr[1])));
  1221. udelay(30);
  1222. }
  1223. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1224. u32 pfc_frames_sent[2],
  1225. u32 pfc_frames_received[2])
  1226. {
  1227. /* Read pfc statistic */
  1228. struct bnx2x *bp = params->bp;
  1229. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1230. u32 val_xon = 0;
  1231. u32 val_xoff = 0;
  1232. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1233. /* PFC received frames */
  1234. val_xoff = REG_RD(bp, emac_base +
  1235. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1236. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1237. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1238. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1239. pfc_frames_received[0] = val_xon + val_xoff;
  1240. /* PFC received sent */
  1241. val_xoff = REG_RD(bp, emac_base +
  1242. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1243. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1244. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1245. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1246. pfc_frames_sent[0] = val_xon + val_xoff;
  1247. }
  1248. /* Read pfc statistic*/
  1249. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1250. u32 pfc_frames_sent[2],
  1251. u32 pfc_frames_received[2])
  1252. {
  1253. /* Read pfc statistic */
  1254. struct bnx2x *bp = params->bp;
  1255. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1256. if (!vars->link_up)
  1257. return;
  1258. if (vars->mac_type == MAC_TYPE_EMAC) {
  1259. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1260. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1261. pfc_frames_received);
  1262. }
  1263. }
  1264. /******************************************************************/
  1265. /* MAC/PBF section */
  1266. /******************************************************************/
  1267. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1268. {
  1269. u32 mode, emac_base;
  1270. /**
  1271. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1272. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1273. */
  1274. if (CHIP_IS_E2(bp))
  1275. emac_base = GRCBASE_EMAC0;
  1276. else
  1277. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1278. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1279. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1280. EMAC_MDIO_MODE_CLOCK_CNT);
  1281. if (USES_WARPCORE(bp))
  1282. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1283. else
  1284. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1285. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1286. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1287. udelay(40);
  1288. }
  1289. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1290. {
  1291. u32 port4mode_ovwr_val;
  1292. /* Check 4-port override enabled */
  1293. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1294. if (port4mode_ovwr_val & (1<<0)) {
  1295. /* Return 4-port mode override value */
  1296. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1297. }
  1298. /* Return 4-port mode from input pin */
  1299. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1300. }
  1301. static void bnx2x_emac_init(struct link_params *params,
  1302. struct link_vars *vars)
  1303. {
  1304. /* reset and unreset the emac core */
  1305. struct bnx2x *bp = params->bp;
  1306. u8 port = params->port;
  1307. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1308. u32 val;
  1309. u16 timeout;
  1310. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1311. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1312. udelay(5);
  1313. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1314. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1315. /* init emac - use read-modify-write */
  1316. /* self clear reset */
  1317. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1318. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1319. timeout = 200;
  1320. do {
  1321. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1322. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1323. if (!timeout) {
  1324. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1325. return;
  1326. }
  1327. timeout--;
  1328. } while (val & EMAC_MODE_RESET);
  1329. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1330. /* Set mac address */
  1331. val = ((params->mac_addr[0] << 8) |
  1332. params->mac_addr[1]);
  1333. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1334. val = ((params->mac_addr[2] << 24) |
  1335. (params->mac_addr[3] << 16) |
  1336. (params->mac_addr[4] << 8) |
  1337. params->mac_addr[5]);
  1338. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1339. }
  1340. static void bnx2x_set_xumac_nig(struct link_params *params,
  1341. u16 tx_pause_en,
  1342. u8 enable)
  1343. {
  1344. struct bnx2x *bp = params->bp;
  1345. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1346. enable);
  1347. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1348. enable);
  1349. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1350. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1351. }
  1352. static void bnx2x_umac_disable(struct link_params *params)
  1353. {
  1354. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1355. struct bnx2x *bp = params->bp;
  1356. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1357. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1358. return;
  1359. /* Disable RX and TX */
  1360. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1361. }
  1362. static void bnx2x_umac_enable(struct link_params *params,
  1363. struct link_vars *vars, u8 lb)
  1364. {
  1365. u32 val;
  1366. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1367. struct bnx2x *bp = params->bp;
  1368. /* Reset UMAC */
  1369. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1370. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1371. usleep_range(1000, 1000);
  1372. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1373. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1374. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1375. /**
  1376. * This register determines on which events the MAC will assert
  1377. * error on the i/f to the NIG along w/ EOP.
  1378. */
  1379. /**
  1380. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1381. * params->port*0x14, 0xfffff.
  1382. */
  1383. /* This register opens the gate for the UMAC despite its name */
  1384. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1385. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1386. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1387. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1388. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1389. switch (vars->line_speed) {
  1390. case SPEED_10:
  1391. val |= (0<<2);
  1392. break;
  1393. case SPEED_100:
  1394. val |= (1<<2);
  1395. break;
  1396. case SPEED_1000:
  1397. val |= (2<<2);
  1398. break;
  1399. case SPEED_2500:
  1400. val |= (3<<2);
  1401. break;
  1402. default:
  1403. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1404. vars->line_speed);
  1405. break;
  1406. }
  1407. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1408. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1409. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1410. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1411. if (vars->duplex == DUPLEX_HALF)
  1412. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1413. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1414. udelay(50);
  1415. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1416. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1417. ((params->mac_addr[2] << 24) |
  1418. (params->mac_addr[3] << 16) |
  1419. (params->mac_addr[4] << 8) |
  1420. (params->mac_addr[5])));
  1421. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1422. ((params->mac_addr[0] << 8) |
  1423. (params->mac_addr[1])));
  1424. /* Enable RX and TX */
  1425. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1426. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1427. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1428. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1429. udelay(50);
  1430. /* Remove SW Reset */
  1431. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1432. /* Check loopback mode */
  1433. if (lb)
  1434. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1435. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1436. /*
  1437. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1438. * length used by the MAC receive logic to check frames.
  1439. */
  1440. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1441. bnx2x_set_xumac_nig(params,
  1442. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1443. vars->mac_type = MAC_TYPE_UMAC;
  1444. }
  1445. /* Define the XMAC mode */
  1446. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1447. {
  1448. struct bnx2x *bp = params->bp;
  1449. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1450. /*
  1451. * In 4-port mode, need to set the mode only once, so if XMAC is
  1452. * already out of reset, it means the mode has already been set,
  1453. * and it must not* reset the XMAC again, since it controls both
  1454. * ports of the path
  1455. */
  1456. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1457. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1458. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1459. DP(NETIF_MSG_LINK,
  1460. "XMAC already out of reset in 4-port mode\n");
  1461. return;
  1462. }
  1463. /* Hard reset */
  1464. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1465. MISC_REGISTERS_RESET_REG_2_XMAC);
  1466. usleep_range(1000, 1000);
  1467. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1468. MISC_REGISTERS_RESET_REG_2_XMAC);
  1469. if (is_port4mode) {
  1470. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1471. /* Set the number of ports on the system side to up to 2 */
  1472. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1473. /* Set the number of ports on the Warp Core to 10G */
  1474. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1475. } else {
  1476. /* Set the number of ports on the system side to 1 */
  1477. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1478. if (max_speed == SPEED_10000) {
  1479. DP(NETIF_MSG_LINK,
  1480. "Init XMAC to 10G x 1 port per path\n");
  1481. /* Set the number of ports on the Warp Core to 10G */
  1482. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1483. } else {
  1484. DP(NETIF_MSG_LINK,
  1485. "Init XMAC to 20G x 2 ports per path\n");
  1486. /* Set the number of ports on the Warp Core to 20G */
  1487. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1488. }
  1489. }
  1490. /* Soft reset */
  1491. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1492. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1493. usleep_range(1000, 1000);
  1494. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1495. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1496. }
  1497. static void bnx2x_xmac_disable(struct link_params *params)
  1498. {
  1499. u8 port = params->port;
  1500. struct bnx2x *bp = params->bp;
  1501. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1502. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1503. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1504. /*
  1505. * Send an indication to change the state in the NIG back to XON
  1506. * Clearing this bit enables the next set of this bit to get
  1507. * rising edge
  1508. */
  1509. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1510. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1511. (pfc_ctrl & ~(1<<1)));
  1512. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1513. (pfc_ctrl | (1<<1)));
  1514. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1515. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1516. }
  1517. }
  1518. static int bnx2x_xmac_enable(struct link_params *params,
  1519. struct link_vars *vars, u8 lb)
  1520. {
  1521. u32 val, xmac_base;
  1522. struct bnx2x *bp = params->bp;
  1523. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1524. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1525. bnx2x_xmac_init(params, vars->line_speed);
  1526. /*
  1527. * This register determines on which events the MAC will assert
  1528. * error on the i/f to the NIG along w/ EOP.
  1529. */
  1530. /*
  1531. * This register tells the NIG whether to send traffic to UMAC
  1532. * or XMAC
  1533. */
  1534. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1535. /* Set Max packet size */
  1536. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1537. /* CRC append for Tx packets */
  1538. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1539. /* update PFC */
  1540. bnx2x_update_pfc_xmac(params, vars, 0);
  1541. /* Enable TX and RX */
  1542. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1543. /* Check loopback mode */
  1544. if (lb)
  1545. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1546. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1547. bnx2x_set_xumac_nig(params,
  1548. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1549. vars->mac_type = MAC_TYPE_XMAC;
  1550. return 0;
  1551. }
  1552. static int bnx2x_emac_enable(struct link_params *params,
  1553. struct link_vars *vars, u8 lb)
  1554. {
  1555. struct bnx2x *bp = params->bp;
  1556. u8 port = params->port;
  1557. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1558. u32 val;
  1559. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1560. /* Disable BMAC */
  1561. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1562. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1563. /* enable emac and not bmac */
  1564. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1565. /* ASIC */
  1566. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1567. u32 ser_lane = ((params->lane_config &
  1568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1569. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1570. DP(NETIF_MSG_LINK, "XGXS\n");
  1571. /* select the master lanes (out of 0-3) */
  1572. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1573. /* select XGXS */
  1574. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1575. } else { /* SerDes */
  1576. DP(NETIF_MSG_LINK, "SerDes\n");
  1577. /* select SerDes */
  1578. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1579. }
  1580. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1581. EMAC_RX_MODE_RESET);
  1582. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1583. EMAC_TX_MODE_RESET);
  1584. if (CHIP_REV_IS_SLOW(bp)) {
  1585. /* config GMII mode */
  1586. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1587. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1588. } else { /* ASIC */
  1589. /* pause enable/disable */
  1590. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1591. EMAC_RX_MODE_FLOW_EN);
  1592. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1593. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1594. EMAC_TX_MODE_FLOW_EN));
  1595. if (!(params->feature_config_flags &
  1596. FEATURE_CONFIG_PFC_ENABLED)) {
  1597. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1598. bnx2x_bits_en(bp, emac_base +
  1599. EMAC_REG_EMAC_RX_MODE,
  1600. EMAC_RX_MODE_FLOW_EN);
  1601. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1602. bnx2x_bits_en(bp, emac_base +
  1603. EMAC_REG_EMAC_TX_MODE,
  1604. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1605. EMAC_TX_MODE_FLOW_EN));
  1606. } else
  1607. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1608. EMAC_TX_MODE_FLOW_EN);
  1609. }
  1610. /* KEEP_VLAN_TAG, promiscuous */
  1611. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1612. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1613. /*
  1614. * Setting this bit causes MAC control frames (except for pause
  1615. * frames) to be passed on for processing. This setting has no
  1616. * affect on the operation of the pause frames. This bit effects
  1617. * all packets regardless of RX Parser packet sorting logic.
  1618. * Turn the PFC off to make sure we are in Xon state before
  1619. * enabling it.
  1620. */
  1621. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1622. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1623. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1624. /* Enable PFC again */
  1625. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1626. EMAC_REG_RX_PFC_MODE_RX_EN |
  1627. EMAC_REG_RX_PFC_MODE_TX_EN |
  1628. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1629. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1630. ((0x0101 <<
  1631. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1632. (0x00ff <<
  1633. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1634. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1635. }
  1636. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1637. /* Set Loopback */
  1638. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1639. if (lb)
  1640. val |= 0x810;
  1641. else
  1642. val &= ~0x810;
  1643. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1644. /* enable emac */
  1645. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1646. /* enable emac for jumbo packets */
  1647. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1648. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1649. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1650. /* strip CRC */
  1651. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1652. /* disable the NIG in/out to the bmac */
  1653. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1654. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1655. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1656. /* enable the NIG in/out to the emac */
  1657. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1658. val = 0;
  1659. if ((params->feature_config_flags &
  1660. FEATURE_CONFIG_PFC_ENABLED) ||
  1661. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1662. val = 1;
  1663. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1664. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1665. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1666. vars->mac_type = MAC_TYPE_EMAC;
  1667. return 0;
  1668. }
  1669. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1670. struct link_vars *vars)
  1671. {
  1672. u32 wb_data[2];
  1673. struct bnx2x *bp = params->bp;
  1674. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1675. NIG_REG_INGRESS_BMAC0_MEM;
  1676. u32 val = 0x14;
  1677. if ((!(params->feature_config_flags &
  1678. FEATURE_CONFIG_PFC_ENABLED)) &&
  1679. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1680. /* Enable BigMAC to react on received Pause packets */
  1681. val |= (1<<5);
  1682. wb_data[0] = val;
  1683. wb_data[1] = 0;
  1684. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1685. /* tx control */
  1686. val = 0xc0;
  1687. if (!(params->feature_config_flags &
  1688. FEATURE_CONFIG_PFC_ENABLED) &&
  1689. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1690. val |= 0x800000;
  1691. wb_data[0] = val;
  1692. wb_data[1] = 0;
  1693. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1694. }
  1695. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1696. struct link_vars *vars,
  1697. u8 is_lb)
  1698. {
  1699. /*
  1700. * Set rx control: Strip CRC and enable BigMAC to relay
  1701. * control packets to the system as well
  1702. */
  1703. u32 wb_data[2];
  1704. struct bnx2x *bp = params->bp;
  1705. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1706. NIG_REG_INGRESS_BMAC0_MEM;
  1707. u32 val = 0x14;
  1708. if ((!(params->feature_config_flags &
  1709. FEATURE_CONFIG_PFC_ENABLED)) &&
  1710. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1711. /* Enable BigMAC to react on received Pause packets */
  1712. val |= (1<<5);
  1713. wb_data[0] = val;
  1714. wb_data[1] = 0;
  1715. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1716. udelay(30);
  1717. /* Tx control */
  1718. val = 0xc0;
  1719. if (!(params->feature_config_flags &
  1720. FEATURE_CONFIG_PFC_ENABLED) &&
  1721. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1722. val |= 0x800000;
  1723. wb_data[0] = val;
  1724. wb_data[1] = 0;
  1725. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1726. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1727. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1728. /* Enable PFC RX & TX & STATS and set 8 COS */
  1729. wb_data[0] = 0x0;
  1730. wb_data[0] |= (1<<0); /* RX */
  1731. wb_data[0] |= (1<<1); /* TX */
  1732. wb_data[0] |= (1<<2); /* Force initial Xon */
  1733. wb_data[0] |= (1<<3); /* 8 cos */
  1734. wb_data[0] |= (1<<5); /* STATS */
  1735. wb_data[1] = 0;
  1736. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1737. wb_data, 2);
  1738. /* Clear the force Xon */
  1739. wb_data[0] &= ~(1<<2);
  1740. } else {
  1741. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1742. /* disable PFC RX & TX & STATS and set 8 COS */
  1743. wb_data[0] = 0x8;
  1744. wb_data[1] = 0;
  1745. }
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1747. /*
  1748. * Set Time (based unit is 512 bit time) between automatic
  1749. * re-sending of PP packets amd enable automatic re-send of
  1750. * Per-Priroity Packet as long as pp_gen is asserted and
  1751. * pp_disable is low.
  1752. */
  1753. val = 0x8000;
  1754. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1755. val |= (1<<16); /* enable automatic re-send */
  1756. wb_data[0] = val;
  1757. wb_data[1] = 0;
  1758. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1759. wb_data, 2);
  1760. /* mac control */
  1761. val = 0x3; /* Enable RX and TX */
  1762. if (is_lb) {
  1763. val |= 0x4; /* Local loopback */
  1764. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1765. }
  1766. /* When PFC enabled, Pass pause frames towards the NIG. */
  1767. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1768. val |= ((1<<6)|(1<<5));
  1769. wb_data[0] = val;
  1770. wb_data[1] = 0;
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1772. }
  1773. /* PFC BRB internal port configuration params */
  1774. struct bnx2x_pfc_brb_threshold_val {
  1775. u32 pause_xoff;
  1776. u32 pause_xon;
  1777. u32 full_xoff;
  1778. u32 full_xon;
  1779. };
  1780. struct bnx2x_pfc_brb_e3b0_val {
  1781. u32 per_class_guaranty_mode;
  1782. u32 lb_guarantied_hyst;
  1783. u32 full_lb_xoff_th;
  1784. u32 full_lb_xon_threshold;
  1785. u32 lb_guarantied;
  1786. u32 mac_0_class_t_guarantied;
  1787. u32 mac_0_class_t_guarantied_hyst;
  1788. u32 mac_1_class_t_guarantied;
  1789. u32 mac_1_class_t_guarantied_hyst;
  1790. };
  1791. struct bnx2x_pfc_brb_th_val {
  1792. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1793. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1794. struct bnx2x_pfc_brb_threshold_val default_class0;
  1795. struct bnx2x_pfc_brb_threshold_val default_class1;
  1796. };
  1797. static int bnx2x_pfc_brb_get_config_params(
  1798. struct link_params *params,
  1799. struct bnx2x_pfc_brb_th_val *config_val)
  1800. {
  1801. struct bnx2x *bp = params->bp;
  1802. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1803. config_val->default_class1.pause_xoff = 0;
  1804. config_val->default_class1.pause_xon = 0;
  1805. config_val->default_class1.full_xoff = 0;
  1806. config_val->default_class1.full_xon = 0;
  1807. if (CHIP_IS_E2(bp)) {
  1808. /* class0 defaults */
  1809. config_val->default_class0.pause_xoff =
  1810. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1811. config_val->default_class0.pause_xon =
  1812. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1813. config_val->default_class0.full_xoff =
  1814. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1815. config_val->default_class0.full_xon =
  1816. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1817. /* pause able*/
  1818. config_val->pauseable_th.pause_xoff =
  1819. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1820. config_val->pauseable_th.pause_xon =
  1821. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1822. config_val->pauseable_th.full_xoff =
  1823. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1824. config_val->pauseable_th.full_xon =
  1825. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1826. /* non pause able*/
  1827. config_val->non_pauseable_th.pause_xoff =
  1828. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1829. config_val->non_pauseable_th.pause_xon =
  1830. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1831. config_val->non_pauseable_th.full_xoff =
  1832. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1833. config_val->non_pauseable_th.full_xon =
  1834. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1835. } else if (CHIP_IS_E3A0(bp)) {
  1836. /* class0 defaults */
  1837. config_val->default_class0.pause_xoff =
  1838. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1839. config_val->default_class0.pause_xon =
  1840. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1841. config_val->default_class0.full_xoff =
  1842. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1843. config_val->default_class0.full_xon =
  1844. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1845. /* pause able */
  1846. config_val->pauseable_th.pause_xoff =
  1847. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1848. config_val->pauseable_th.pause_xon =
  1849. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1850. config_val->pauseable_th.full_xoff =
  1851. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1852. config_val->pauseable_th.full_xon =
  1853. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1854. /* non pause able*/
  1855. config_val->non_pauseable_th.pause_xoff =
  1856. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1857. config_val->non_pauseable_th.pause_xon =
  1858. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1859. config_val->non_pauseable_th.full_xoff =
  1860. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1861. config_val->non_pauseable_th.full_xon =
  1862. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1863. } else if (CHIP_IS_E3B0(bp)) {
  1864. /* class0 defaults */
  1865. config_val->default_class0.pause_xoff =
  1866. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1867. config_val->default_class0.pause_xon =
  1868. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1869. config_val->default_class0.full_xoff =
  1870. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1871. config_val->default_class0.full_xon =
  1872. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1873. if (params->phy[INT_PHY].flags &
  1874. FLAGS_4_PORT_MODE) {
  1875. config_val->pauseable_th.pause_xoff =
  1876. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1877. config_val->pauseable_th.pause_xon =
  1878. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1879. config_val->pauseable_th.full_xoff =
  1880. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1881. config_val->pauseable_th.full_xon =
  1882. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1883. /* non pause able*/
  1884. config_val->non_pauseable_th.pause_xoff =
  1885. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1886. config_val->non_pauseable_th.pause_xon =
  1887. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1888. config_val->non_pauseable_th.full_xoff =
  1889. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1890. config_val->non_pauseable_th.full_xon =
  1891. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1892. } else {
  1893. config_val->pauseable_th.pause_xoff =
  1894. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1895. config_val->pauseable_th.pause_xon =
  1896. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1897. config_val->pauseable_th.full_xoff =
  1898. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1899. config_val->pauseable_th.full_xon =
  1900. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1901. /* non pause able*/
  1902. config_val->non_pauseable_th.pause_xoff =
  1903. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1904. config_val->non_pauseable_th.pause_xon =
  1905. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1906. config_val->non_pauseable_th.full_xoff =
  1907. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1908. config_val->non_pauseable_th.full_xon =
  1909. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1910. }
  1911. } else
  1912. return -EINVAL;
  1913. return 0;
  1914. }
  1915. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1916. struct link_params *params,
  1917. struct bnx2x_pfc_brb_e3b0_val
  1918. *e3b0_val,
  1919. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1920. const u8 pfc_enabled)
  1921. {
  1922. if (pfc_enabled && pfc_params) {
  1923. e3b0_val->per_class_guaranty_mode = 1;
  1924. e3b0_val->lb_guarantied_hyst = 80;
  1925. if (params->phy[INT_PHY].flags &
  1926. FLAGS_4_PORT_MODE) {
  1927. e3b0_val->full_lb_xoff_th =
  1928. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1929. e3b0_val->full_lb_xon_threshold =
  1930. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1931. e3b0_val->lb_guarantied =
  1932. PFC_E3B0_4P_LB_GUART;
  1933. e3b0_val->mac_0_class_t_guarantied =
  1934. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1935. e3b0_val->mac_0_class_t_guarantied_hyst =
  1936. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1937. e3b0_val->mac_1_class_t_guarantied =
  1938. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1939. e3b0_val->mac_1_class_t_guarantied_hyst =
  1940. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1941. } else {
  1942. e3b0_val->full_lb_xoff_th =
  1943. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1944. e3b0_val->full_lb_xon_threshold =
  1945. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1946. e3b0_val->mac_0_class_t_guarantied_hyst =
  1947. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1948. e3b0_val->mac_1_class_t_guarantied =
  1949. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1950. e3b0_val->mac_1_class_t_guarantied_hyst =
  1951. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1952. if (pfc_params->cos0_pauseable !=
  1953. pfc_params->cos1_pauseable) {
  1954. /* nonpauseable= Lossy + pauseable = Lossless*/
  1955. e3b0_val->lb_guarantied =
  1956. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1957. e3b0_val->mac_0_class_t_guarantied =
  1958. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1959. } else if (pfc_params->cos0_pauseable) {
  1960. /* Lossless +Lossless*/
  1961. e3b0_val->lb_guarantied =
  1962. PFC_E3B0_2P_PAUSE_LB_GUART;
  1963. e3b0_val->mac_0_class_t_guarantied =
  1964. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1965. } else {
  1966. /* Lossy +Lossy*/
  1967. e3b0_val->lb_guarantied =
  1968. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1969. e3b0_val->mac_0_class_t_guarantied =
  1970. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1971. }
  1972. }
  1973. } else {
  1974. e3b0_val->per_class_guaranty_mode = 0;
  1975. e3b0_val->lb_guarantied_hyst = 0;
  1976. e3b0_val->full_lb_xoff_th =
  1977. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1978. e3b0_val->full_lb_xon_threshold =
  1979. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1980. e3b0_val->lb_guarantied =
  1981. DEFAULT_E3B0_LB_GUART;
  1982. e3b0_val->mac_0_class_t_guarantied =
  1983. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1984. e3b0_val->mac_0_class_t_guarantied_hyst =
  1985. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1986. e3b0_val->mac_1_class_t_guarantied =
  1987. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1988. e3b0_val->mac_1_class_t_guarantied_hyst =
  1989. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1990. }
  1991. }
  1992. static int bnx2x_update_pfc_brb(struct link_params *params,
  1993. struct link_vars *vars,
  1994. struct bnx2x_nig_brb_pfc_port_params
  1995. *pfc_params)
  1996. {
  1997. struct bnx2x *bp = params->bp;
  1998. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1999. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2000. &config_val.pauseable_th;
  2001. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2002. const int set_pfc = params->feature_config_flags &
  2003. FEATURE_CONFIG_PFC_ENABLED;
  2004. const u8 pfc_enabled = (set_pfc && pfc_params);
  2005. int bnx2x_status = 0;
  2006. u8 port = params->port;
  2007. /* default - pause configuration */
  2008. reg_th_config = &config_val.pauseable_th;
  2009. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2010. if (bnx2x_status)
  2011. return bnx2x_status;
  2012. if (pfc_enabled) {
  2013. /* First COS */
  2014. if (pfc_params->cos0_pauseable)
  2015. reg_th_config = &config_val.pauseable_th;
  2016. else
  2017. reg_th_config = &config_val.non_pauseable_th;
  2018. } else
  2019. reg_th_config = &config_val.default_class0;
  2020. /*
  2021. * The number of free blocks below which the pause signal to class 0
  2022. * of MAC #n is asserted. n=0,1
  2023. */
  2024. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2025. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2026. reg_th_config->pause_xoff);
  2027. /*
  2028. * The number of free blocks above which the pause signal to class 0
  2029. * of MAC #n is de-asserted. n=0,1
  2030. */
  2031. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2032. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2033. /*
  2034. * The number of free blocks below which the full signal to class 0
  2035. * of MAC #n is asserted. n=0,1
  2036. */
  2037. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2038. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2039. /*
  2040. * The number of free blocks above which the full signal to class 0
  2041. * of MAC #n is de-asserted. n=0,1
  2042. */
  2043. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2044. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2045. if (pfc_enabled) {
  2046. /* Second COS */
  2047. if (pfc_params->cos1_pauseable)
  2048. reg_th_config = &config_val.pauseable_th;
  2049. else
  2050. reg_th_config = &config_val.non_pauseable_th;
  2051. } else
  2052. reg_th_config = &config_val.default_class1;
  2053. /*
  2054. * The number of free blocks below which the pause signal to
  2055. * class 1 of MAC #n is asserted. n=0,1
  2056. */
  2057. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2058. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2059. reg_th_config->pause_xoff);
  2060. /*
  2061. * The number of free blocks above which the pause signal to
  2062. * class 1 of MAC #n is de-asserted. n=0,1
  2063. */
  2064. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2065. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2066. reg_th_config->pause_xon);
  2067. /*
  2068. * The number of free blocks below which the full signal to
  2069. * class 1 of MAC #n is asserted. n=0,1
  2070. */
  2071. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2072. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2073. reg_th_config->full_xoff);
  2074. /*
  2075. * The number of free blocks above which the full signal to
  2076. * class 1 of MAC #n is de-asserted. n=0,1
  2077. */
  2078. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2079. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2080. reg_th_config->full_xon);
  2081. if (CHIP_IS_E3B0(bp)) {
  2082. bnx2x_pfc_brb_get_e3b0_config_params(
  2083. params,
  2084. &e3b0_val,
  2085. pfc_params,
  2086. pfc_enabled);
  2087. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2088. e3b0_val.per_class_guaranty_mode);
  2089. /*
  2090. * The hysteresis on the guarantied buffer space for the Lb
  2091. * port before signaling XON.
  2092. */
  2093. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2094. e3b0_val.lb_guarantied_hyst);
  2095. /*
  2096. * The number of free blocks below which the full signal to the
  2097. * LB port is asserted.
  2098. */
  2099. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2100. e3b0_val.full_lb_xoff_th);
  2101. /*
  2102. * The number of free blocks above which the full signal to the
  2103. * LB port is de-asserted.
  2104. */
  2105. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2106. e3b0_val.full_lb_xon_threshold);
  2107. /*
  2108. * The number of blocks guarantied for the MAC #n port. n=0,1
  2109. */
  2110. /* The number of blocks guarantied for the LB port.*/
  2111. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2112. e3b0_val.lb_guarantied);
  2113. /*
  2114. * The number of blocks guarantied for the MAC #n port.
  2115. */
  2116. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2117. 2 * e3b0_val.mac_0_class_t_guarantied);
  2118. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2119. 2 * e3b0_val.mac_1_class_t_guarantied);
  2120. /*
  2121. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2122. */
  2123. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2124. e3b0_val.mac_0_class_t_guarantied);
  2125. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2126. e3b0_val.mac_0_class_t_guarantied);
  2127. /*
  2128. * The hysteresis on the guarantied buffer space for class in
  2129. * MAC0. t=0,1
  2130. */
  2131. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2132. e3b0_val.mac_0_class_t_guarantied_hyst);
  2133. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2134. e3b0_val.mac_0_class_t_guarantied_hyst);
  2135. /*
  2136. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2137. */
  2138. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2139. e3b0_val.mac_1_class_t_guarantied);
  2140. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2141. e3b0_val.mac_1_class_t_guarantied);
  2142. /*
  2143. * The hysteresis on the guarantied buffer space for class #t
  2144. * in MAC1. t=0,1
  2145. */
  2146. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2147. e3b0_val.mac_1_class_t_guarantied_hyst);
  2148. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2149. e3b0_val.mac_1_class_t_guarantied_hyst);
  2150. }
  2151. return bnx2x_status;
  2152. }
  2153. /******************************************************************************
  2154. * Description:
  2155. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2156. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2157. ******************************************************************************/
  2158. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2159. u8 cos_entry,
  2160. u32 priority_mask, u8 port)
  2161. {
  2162. u32 nig_reg_rx_priority_mask_add = 0;
  2163. switch (cos_entry) {
  2164. case 0:
  2165. nig_reg_rx_priority_mask_add = (port) ?
  2166. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2167. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2168. break;
  2169. case 1:
  2170. nig_reg_rx_priority_mask_add = (port) ?
  2171. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2172. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2173. break;
  2174. case 2:
  2175. nig_reg_rx_priority_mask_add = (port) ?
  2176. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2177. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2178. break;
  2179. case 3:
  2180. if (port)
  2181. return -EINVAL;
  2182. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2183. break;
  2184. case 4:
  2185. if (port)
  2186. return -EINVAL;
  2187. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2188. break;
  2189. case 5:
  2190. if (port)
  2191. return -EINVAL;
  2192. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2193. break;
  2194. }
  2195. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2196. return 0;
  2197. }
  2198. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2199. {
  2200. struct bnx2x *bp = params->bp;
  2201. REG_WR(bp, params->shmem_base +
  2202. offsetof(struct shmem_region,
  2203. port_mb[params->port].link_status), link_status);
  2204. }
  2205. static void bnx2x_update_pfc_nig(struct link_params *params,
  2206. struct link_vars *vars,
  2207. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2208. {
  2209. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2210. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2211. u32 pkt_priority_to_cos = 0;
  2212. struct bnx2x *bp = params->bp;
  2213. u8 port = params->port;
  2214. int set_pfc = params->feature_config_flags &
  2215. FEATURE_CONFIG_PFC_ENABLED;
  2216. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2217. /*
  2218. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2219. * MAC control frames (that are not pause packets)
  2220. * will be forwarded to the XCM.
  2221. */
  2222. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2223. NIG_REG_LLH0_XCM_MASK);
  2224. /*
  2225. * nig params will override non PFC params, since it's possible to
  2226. * do transition from PFC to SAFC
  2227. */
  2228. if (set_pfc) {
  2229. pause_enable = 0;
  2230. llfc_out_en = 0;
  2231. llfc_enable = 0;
  2232. if (CHIP_IS_E3(bp))
  2233. ppp_enable = 0;
  2234. else
  2235. ppp_enable = 1;
  2236. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2237. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2238. xcm_out_en = 0;
  2239. hwpfc_enable = 1;
  2240. } else {
  2241. if (nig_params) {
  2242. llfc_out_en = nig_params->llfc_out_en;
  2243. llfc_enable = nig_params->llfc_enable;
  2244. pause_enable = nig_params->pause_enable;
  2245. } else /*defaul non PFC mode - PAUSE */
  2246. pause_enable = 1;
  2247. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2248. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2249. xcm_out_en = 1;
  2250. }
  2251. if (CHIP_IS_E3(bp))
  2252. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2253. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2254. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2255. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2256. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2257. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2258. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2259. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2260. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2261. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2262. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2263. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2264. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2265. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2266. /* output enable for RX_XCM # IF */
  2267. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2268. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2269. /* HW PFC TX enable */
  2270. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2271. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2272. if (nig_params) {
  2273. u8 i = 0;
  2274. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2275. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2276. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2277. nig_params->rx_cos_priority_mask[i], port);
  2278. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2279. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2280. nig_params->llfc_high_priority_classes);
  2281. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2282. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2283. nig_params->llfc_low_priority_classes);
  2284. }
  2285. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2286. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2287. pkt_priority_to_cos);
  2288. }
  2289. int bnx2x_update_pfc(struct link_params *params,
  2290. struct link_vars *vars,
  2291. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2292. {
  2293. /*
  2294. * The PFC and pause are orthogonal to one another, meaning when
  2295. * PFC is enabled, the pause are disabled, and when PFC is
  2296. * disabled, pause are set according to the pause result.
  2297. */
  2298. u32 val;
  2299. struct bnx2x *bp = params->bp;
  2300. int bnx2x_status = 0;
  2301. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2302. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2303. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2304. else
  2305. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2306. bnx2x_update_mng(params, vars->link_status);
  2307. /* update NIG params */
  2308. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2309. /* update BRB params */
  2310. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2311. if (bnx2x_status)
  2312. return bnx2x_status;
  2313. if (!vars->link_up)
  2314. return bnx2x_status;
  2315. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2316. if (CHIP_IS_E3(bp))
  2317. bnx2x_update_pfc_xmac(params, vars, 0);
  2318. else {
  2319. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2320. if ((val &
  2321. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2322. == 0) {
  2323. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2324. bnx2x_emac_enable(params, vars, 0);
  2325. return bnx2x_status;
  2326. }
  2327. if (CHIP_IS_E2(bp))
  2328. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2329. else
  2330. bnx2x_update_pfc_bmac1(params, vars);
  2331. val = 0;
  2332. if ((params->feature_config_flags &
  2333. FEATURE_CONFIG_PFC_ENABLED) ||
  2334. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2335. val = 1;
  2336. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2337. }
  2338. return bnx2x_status;
  2339. }
  2340. static int bnx2x_bmac1_enable(struct link_params *params,
  2341. struct link_vars *vars,
  2342. u8 is_lb)
  2343. {
  2344. struct bnx2x *bp = params->bp;
  2345. u8 port = params->port;
  2346. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2347. NIG_REG_INGRESS_BMAC0_MEM;
  2348. u32 wb_data[2];
  2349. u32 val;
  2350. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2351. /* XGXS control */
  2352. wb_data[0] = 0x3c;
  2353. wb_data[1] = 0;
  2354. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2355. wb_data, 2);
  2356. /* tx MAC SA */
  2357. wb_data[0] = ((params->mac_addr[2] << 24) |
  2358. (params->mac_addr[3] << 16) |
  2359. (params->mac_addr[4] << 8) |
  2360. params->mac_addr[5]);
  2361. wb_data[1] = ((params->mac_addr[0] << 8) |
  2362. params->mac_addr[1]);
  2363. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2364. /* mac control */
  2365. val = 0x3;
  2366. if (is_lb) {
  2367. val |= 0x4;
  2368. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2369. }
  2370. wb_data[0] = val;
  2371. wb_data[1] = 0;
  2372. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2373. /* set rx mtu */
  2374. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2375. wb_data[1] = 0;
  2376. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2377. bnx2x_update_pfc_bmac1(params, vars);
  2378. /* set tx mtu */
  2379. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2380. wb_data[1] = 0;
  2381. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2382. /* set cnt max size */
  2383. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2384. wb_data[1] = 0;
  2385. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2386. /* configure safc */
  2387. wb_data[0] = 0x1000200;
  2388. wb_data[1] = 0;
  2389. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2390. wb_data, 2);
  2391. return 0;
  2392. }
  2393. static int bnx2x_bmac2_enable(struct link_params *params,
  2394. struct link_vars *vars,
  2395. u8 is_lb)
  2396. {
  2397. struct bnx2x *bp = params->bp;
  2398. u8 port = params->port;
  2399. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2400. NIG_REG_INGRESS_BMAC0_MEM;
  2401. u32 wb_data[2];
  2402. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2403. wb_data[0] = 0;
  2404. wb_data[1] = 0;
  2405. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2406. udelay(30);
  2407. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2408. wb_data[0] = 0x3c;
  2409. wb_data[1] = 0;
  2410. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2411. wb_data, 2);
  2412. udelay(30);
  2413. /* tx MAC SA */
  2414. wb_data[0] = ((params->mac_addr[2] << 24) |
  2415. (params->mac_addr[3] << 16) |
  2416. (params->mac_addr[4] << 8) |
  2417. params->mac_addr[5]);
  2418. wb_data[1] = ((params->mac_addr[0] << 8) |
  2419. params->mac_addr[1]);
  2420. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2421. wb_data, 2);
  2422. udelay(30);
  2423. /* Configure SAFC */
  2424. wb_data[0] = 0x1000200;
  2425. wb_data[1] = 0;
  2426. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2427. wb_data, 2);
  2428. udelay(30);
  2429. /* set rx mtu */
  2430. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2431. wb_data[1] = 0;
  2432. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2433. udelay(30);
  2434. /* set tx mtu */
  2435. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2436. wb_data[1] = 0;
  2437. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2438. udelay(30);
  2439. /* set cnt max size */
  2440. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2441. wb_data[1] = 0;
  2442. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2443. udelay(30);
  2444. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2445. return 0;
  2446. }
  2447. static int bnx2x_bmac_enable(struct link_params *params,
  2448. struct link_vars *vars,
  2449. u8 is_lb)
  2450. {
  2451. int rc = 0;
  2452. u8 port = params->port;
  2453. struct bnx2x *bp = params->bp;
  2454. u32 val;
  2455. /* reset and unreset the BigMac */
  2456. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2457. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2458. msleep(1);
  2459. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2460. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2461. /* enable access for bmac registers */
  2462. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2463. /* Enable BMAC according to BMAC type*/
  2464. if (CHIP_IS_E2(bp))
  2465. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2466. else
  2467. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2468. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2469. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2470. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2471. val = 0;
  2472. if ((params->feature_config_flags &
  2473. FEATURE_CONFIG_PFC_ENABLED) ||
  2474. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2475. val = 1;
  2476. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2477. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2478. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2479. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2480. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2481. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2482. vars->mac_type = MAC_TYPE_BMAC;
  2483. return rc;
  2484. }
  2485. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2486. {
  2487. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2488. NIG_REG_INGRESS_BMAC0_MEM;
  2489. u32 wb_data[2];
  2490. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2491. /* Only if the bmac is out of reset */
  2492. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2493. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2494. nig_bmac_enable) {
  2495. if (CHIP_IS_E2(bp)) {
  2496. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2497. REG_RD_DMAE(bp, bmac_addr +
  2498. BIGMAC2_REGISTER_BMAC_CONTROL,
  2499. wb_data, 2);
  2500. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2501. REG_WR_DMAE(bp, bmac_addr +
  2502. BIGMAC2_REGISTER_BMAC_CONTROL,
  2503. wb_data, 2);
  2504. } else {
  2505. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2506. REG_RD_DMAE(bp, bmac_addr +
  2507. BIGMAC_REGISTER_BMAC_CONTROL,
  2508. wb_data, 2);
  2509. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2510. REG_WR_DMAE(bp, bmac_addr +
  2511. BIGMAC_REGISTER_BMAC_CONTROL,
  2512. wb_data, 2);
  2513. }
  2514. msleep(1);
  2515. }
  2516. }
  2517. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2518. u32 line_speed)
  2519. {
  2520. struct bnx2x *bp = params->bp;
  2521. u8 port = params->port;
  2522. u32 init_crd, crd;
  2523. u32 count = 1000;
  2524. /* disable port */
  2525. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2526. /* wait for init credit */
  2527. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2528. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2529. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2530. while ((init_crd != crd) && count) {
  2531. msleep(5);
  2532. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2533. count--;
  2534. }
  2535. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2536. if (init_crd != crd) {
  2537. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2538. init_crd, crd);
  2539. return -EINVAL;
  2540. }
  2541. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2542. line_speed == SPEED_10 ||
  2543. line_speed == SPEED_100 ||
  2544. line_speed == SPEED_1000 ||
  2545. line_speed == SPEED_2500) {
  2546. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2547. /* update threshold */
  2548. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2549. /* update init credit */
  2550. init_crd = 778; /* (800-18-4) */
  2551. } else {
  2552. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2553. ETH_OVREHEAD)/16;
  2554. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2555. /* update threshold */
  2556. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2557. /* update init credit */
  2558. switch (line_speed) {
  2559. case SPEED_10000:
  2560. init_crd = thresh + 553 - 22;
  2561. break;
  2562. default:
  2563. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2564. line_speed);
  2565. return -EINVAL;
  2566. }
  2567. }
  2568. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2569. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2570. line_speed, init_crd);
  2571. /* probe the credit changes */
  2572. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2573. msleep(5);
  2574. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2575. /* enable port */
  2576. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2577. return 0;
  2578. }
  2579. /**
  2580. * bnx2x_get_emac_base - retrive emac base address
  2581. *
  2582. * @bp: driver handle
  2583. * @mdc_mdio_access: access type
  2584. * @port: port id
  2585. *
  2586. * This function selects the MDC/MDIO access (through emac0 or
  2587. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2588. * phy has a default access mode, which could also be overridden
  2589. * by nvram configuration. This parameter, whether this is the
  2590. * default phy configuration, or the nvram overrun
  2591. * configuration, is passed here as mdc_mdio_access and selects
  2592. * the emac_base for the CL45 read/writes operations
  2593. */
  2594. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2595. u32 mdc_mdio_access, u8 port)
  2596. {
  2597. u32 emac_base = 0;
  2598. switch (mdc_mdio_access) {
  2599. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2600. break;
  2601. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2602. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2603. emac_base = GRCBASE_EMAC1;
  2604. else
  2605. emac_base = GRCBASE_EMAC0;
  2606. break;
  2607. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2608. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2609. emac_base = GRCBASE_EMAC0;
  2610. else
  2611. emac_base = GRCBASE_EMAC1;
  2612. break;
  2613. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2614. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2615. break;
  2616. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2617. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2618. break;
  2619. default:
  2620. break;
  2621. }
  2622. return emac_base;
  2623. }
  2624. /******************************************************************/
  2625. /* CL22 access functions */
  2626. /******************************************************************/
  2627. static int bnx2x_cl22_write(struct bnx2x *bp,
  2628. struct bnx2x_phy *phy,
  2629. u16 reg, u16 val)
  2630. {
  2631. u32 tmp, mode;
  2632. u8 i;
  2633. int rc = 0;
  2634. /* Switch to CL22 */
  2635. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2636. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2637. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2638. /* address */
  2639. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2640. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2641. EMAC_MDIO_COMM_START_BUSY);
  2642. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2643. for (i = 0; i < 50; i++) {
  2644. udelay(10);
  2645. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2646. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2647. udelay(5);
  2648. break;
  2649. }
  2650. }
  2651. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2652. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2653. rc = -EFAULT;
  2654. }
  2655. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2656. return rc;
  2657. }
  2658. static int bnx2x_cl22_read(struct bnx2x *bp,
  2659. struct bnx2x_phy *phy,
  2660. u16 reg, u16 *ret_val)
  2661. {
  2662. u32 val, mode;
  2663. u16 i;
  2664. int rc = 0;
  2665. /* Switch to CL22 */
  2666. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2667. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2668. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2669. /* address */
  2670. val = ((phy->addr << 21) | (reg << 16) |
  2671. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2672. EMAC_MDIO_COMM_START_BUSY);
  2673. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2674. for (i = 0; i < 50; i++) {
  2675. udelay(10);
  2676. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2677. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2678. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2679. udelay(5);
  2680. break;
  2681. }
  2682. }
  2683. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2684. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2685. *ret_val = 0;
  2686. rc = -EFAULT;
  2687. }
  2688. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2689. return rc;
  2690. }
  2691. /******************************************************************/
  2692. /* CL45 access functions */
  2693. /******************************************************************/
  2694. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2695. u8 devad, u16 reg, u16 *ret_val)
  2696. {
  2697. u32 val;
  2698. u16 i;
  2699. int rc = 0;
  2700. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2701. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2702. EMAC_MDIO_STATUS_10MB);
  2703. /* address */
  2704. val = ((phy->addr << 21) | (devad << 16) | reg |
  2705. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2706. EMAC_MDIO_COMM_START_BUSY);
  2707. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2708. for (i = 0; i < 50; i++) {
  2709. udelay(10);
  2710. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2711. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2712. udelay(5);
  2713. break;
  2714. }
  2715. }
  2716. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2717. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2718. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2719. *ret_val = 0;
  2720. rc = -EFAULT;
  2721. } else {
  2722. /* data */
  2723. val = ((phy->addr << 21) | (devad << 16) |
  2724. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2725. EMAC_MDIO_COMM_START_BUSY);
  2726. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2727. for (i = 0; i < 50; i++) {
  2728. udelay(10);
  2729. val = REG_RD(bp, phy->mdio_ctrl +
  2730. EMAC_REG_EMAC_MDIO_COMM);
  2731. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2732. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2733. break;
  2734. }
  2735. }
  2736. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2737. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2738. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2739. *ret_val = 0;
  2740. rc = -EFAULT;
  2741. }
  2742. }
  2743. /* Work around for E3 A0 */
  2744. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2745. phy->flags ^= FLAGS_DUMMY_READ;
  2746. if (phy->flags & FLAGS_DUMMY_READ) {
  2747. u16 temp_val;
  2748. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2749. }
  2750. }
  2751. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2752. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2753. EMAC_MDIO_STATUS_10MB);
  2754. return rc;
  2755. }
  2756. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2757. u8 devad, u16 reg, u16 val)
  2758. {
  2759. u32 tmp;
  2760. u8 i;
  2761. int rc = 0;
  2762. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2763. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2764. EMAC_MDIO_STATUS_10MB);
  2765. /* address */
  2766. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2767. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2768. EMAC_MDIO_COMM_START_BUSY);
  2769. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2770. for (i = 0; i < 50; i++) {
  2771. udelay(10);
  2772. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2773. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2774. udelay(5);
  2775. break;
  2776. }
  2777. }
  2778. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2779. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2780. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2781. rc = -EFAULT;
  2782. } else {
  2783. /* data */
  2784. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2785. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2786. EMAC_MDIO_COMM_START_BUSY);
  2787. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2788. for (i = 0; i < 50; i++) {
  2789. udelay(10);
  2790. tmp = REG_RD(bp, phy->mdio_ctrl +
  2791. EMAC_REG_EMAC_MDIO_COMM);
  2792. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2793. udelay(5);
  2794. break;
  2795. }
  2796. }
  2797. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2798. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2799. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2800. rc = -EFAULT;
  2801. }
  2802. }
  2803. /* Work around for E3 A0 */
  2804. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2805. phy->flags ^= FLAGS_DUMMY_READ;
  2806. if (phy->flags & FLAGS_DUMMY_READ) {
  2807. u16 temp_val;
  2808. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2809. }
  2810. }
  2811. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2812. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2813. EMAC_MDIO_STATUS_10MB);
  2814. return rc;
  2815. }
  2816. /******************************************************************/
  2817. /* BSC access functions from E3 */
  2818. /******************************************************************/
  2819. static void bnx2x_bsc_module_sel(struct link_params *params)
  2820. {
  2821. int idx;
  2822. u32 board_cfg, sfp_ctrl;
  2823. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2824. struct bnx2x *bp = params->bp;
  2825. u8 port = params->port;
  2826. /* Read I2C output PINs */
  2827. board_cfg = REG_RD(bp, params->shmem_base +
  2828. offsetof(struct shmem_region,
  2829. dev_info.shared_hw_config.board));
  2830. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2831. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2832. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2833. /* Read I2C output value */
  2834. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2835. offsetof(struct shmem_region,
  2836. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2837. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2838. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2839. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2840. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2841. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2842. }
  2843. static int bnx2x_bsc_read(struct link_params *params,
  2844. struct bnx2x_phy *phy,
  2845. u8 sl_devid,
  2846. u16 sl_addr,
  2847. u8 lc_addr,
  2848. u8 xfer_cnt,
  2849. u32 *data_array)
  2850. {
  2851. u32 val, i;
  2852. int rc = 0;
  2853. struct bnx2x *bp = params->bp;
  2854. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2855. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2856. return -EINVAL;
  2857. }
  2858. if (xfer_cnt > 16) {
  2859. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2860. xfer_cnt);
  2861. return -EINVAL;
  2862. }
  2863. bnx2x_bsc_module_sel(params);
  2864. xfer_cnt = 16 - lc_addr;
  2865. /* enable the engine */
  2866. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2867. val |= MCPR_IMC_COMMAND_ENABLE;
  2868. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2869. /* program slave device ID */
  2870. val = (sl_devid << 16) | sl_addr;
  2871. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2872. /* start xfer with 0 byte to update the address pointer ???*/
  2873. val = (MCPR_IMC_COMMAND_ENABLE) |
  2874. (MCPR_IMC_COMMAND_WRITE_OP <<
  2875. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2876. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2877. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2878. /* poll for completion */
  2879. i = 0;
  2880. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2881. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2882. udelay(10);
  2883. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2884. if (i++ > 1000) {
  2885. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2886. i);
  2887. rc = -EFAULT;
  2888. break;
  2889. }
  2890. }
  2891. if (rc == -EFAULT)
  2892. return rc;
  2893. /* start xfer with read op */
  2894. val = (MCPR_IMC_COMMAND_ENABLE) |
  2895. (MCPR_IMC_COMMAND_READ_OP <<
  2896. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2897. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2898. (xfer_cnt);
  2899. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2900. /* poll for completion */
  2901. i = 0;
  2902. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2903. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2904. udelay(10);
  2905. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2906. if (i++ > 1000) {
  2907. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2908. rc = -EFAULT;
  2909. break;
  2910. }
  2911. }
  2912. if (rc == -EFAULT)
  2913. return rc;
  2914. for (i = (lc_addr >> 2); i < 4; i++) {
  2915. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2916. #ifdef __BIG_ENDIAN
  2917. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2918. ((data_array[i] & 0x0000ff00) << 8) |
  2919. ((data_array[i] & 0x00ff0000) >> 8) |
  2920. ((data_array[i] & 0xff000000) >> 24);
  2921. #endif
  2922. }
  2923. return rc;
  2924. }
  2925. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2926. u8 devad, u16 reg, u16 or_val)
  2927. {
  2928. u16 val;
  2929. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2930. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2931. }
  2932. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2933. u8 devad, u16 reg, u16 *ret_val)
  2934. {
  2935. u8 phy_index;
  2936. /*
  2937. * Probe for the phy according to the given phy_addr, and execute
  2938. * the read request on it
  2939. */
  2940. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2941. if (params->phy[phy_index].addr == phy_addr) {
  2942. return bnx2x_cl45_read(params->bp,
  2943. &params->phy[phy_index], devad,
  2944. reg, ret_val);
  2945. }
  2946. }
  2947. return -EINVAL;
  2948. }
  2949. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2950. u8 devad, u16 reg, u16 val)
  2951. {
  2952. u8 phy_index;
  2953. /*
  2954. * Probe for the phy according to the given phy_addr, and execute
  2955. * the write request on it
  2956. */
  2957. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2958. if (params->phy[phy_index].addr == phy_addr) {
  2959. return bnx2x_cl45_write(params->bp,
  2960. &params->phy[phy_index], devad,
  2961. reg, val);
  2962. }
  2963. }
  2964. return -EINVAL;
  2965. }
  2966. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2967. struct link_params *params)
  2968. {
  2969. u8 lane = 0;
  2970. struct bnx2x *bp = params->bp;
  2971. u32 path_swap, path_swap_ovr;
  2972. u8 path, port;
  2973. path = BP_PATH(bp);
  2974. port = params->port;
  2975. if (bnx2x_is_4_port_mode(bp)) {
  2976. u32 port_swap, port_swap_ovr;
  2977. /*figure out path swap value */
  2978. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2979. if (path_swap_ovr & 0x1)
  2980. path_swap = (path_swap_ovr & 0x2);
  2981. else
  2982. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2983. if (path_swap)
  2984. path = path ^ 1;
  2985. /*figure out port swap value */
  2986. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2987. if (port_swap_ovr & 0x1)
  2988. port_swap = (port_swap_ovr & 0x2);
  2989. else
  2990. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2991. if (port_swap)
  2992. port = port ^ 1;
  2993. lane = (port<<1) + path;
  2994. } else { /* two port mode - no port swap */
  2995. /*figure out path swap value */
  2996. path_swap_ovr =
  2997. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2998. if (path_swap_ovr & 0x1) {
  2999. path_swap = (path_swap_ovr & 0x2);
  3000. } else {
  3001. path_swap =
  3002. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3003. }
  3004. if (path_swap)
  3005. path = path ^ 1;
  3006. lane = path << 1 ;
  3007. }
  3008. return lane;
  3009. }
  3010. static void bnx2x_set_aer_mmd(struct link_params *params,
  3011. struct bnx2x_phy *phy)
  3012. {
  3013. u32 ser_lane;
  3014. u16 offset, aer_val;
  3015. struct bnx2x *bp = params->bp;
  3016. ser_lane = ((params->lane_config &
  3017. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3018. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3019. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3020. (phy->addr + ser_lane) : 0;
  3021. if (USES_WARPCORE(bp)) {
  3022. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3023. /*
  3024. * In Dual-lane mode, two lanes are joined together,
  3025. * so in order to configure them, the AER broadcast method is
  3026. * used here.
  3027. * 0x200 is the broadcast address for lanes 0,1
  3028. * 0x201 is the broadcast address for lanes 2,3
  3029. */
  3030. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3031. aer_val = (aer_val >> 1) | 0x200;
  3032. } else if (CHIP_IS_E2(bp))
  3033. aer_val = 0x3800 + offset - 1;
  3034. else
  3035. aer_val = 0x3800 + offset;
  3036. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3037. MDIO_AER_BLOCK_AER_REG, aer_val);
  3038. }
  3039. /******************************************************************/
  3040. /* Internal phy section */
  3041. /******************************************************************/
  3042. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3043. {
  3044. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3045. /* Set Clause 22 */
  3046. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3047. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3048. udelay(500);
  3049. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3050. udelay(500);
  3051. /* Set Clause 45 */
  3052. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3053. }
  3054. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3055. {
  3056. u32 val;
  3057. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3058. val = SERDES_RESET_BITS << (port*16);
  3059. /* reset and unreset the SerDes/XGXS */
  3060. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3061. udelay(500);
  3062. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3063. bnx2x_set_serdes_access(bp, port);
  3064. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3065. DEFAULT_PHY_DEV_ADDR);
  3066. }
  3067. static void bnx2x_xgxs_deassert(struct link_params *params)
  3068. {
  3069. struct bnx2x *bp = params->bp;
  3070. u8 port;
  3071. u32 val;
  3072. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3073. port = params->port;
  3074. val = XGXS_RESET_BITS << (port*16);
  3075. /* reset and unreset the SerDes/XGXS */
  3076. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3077. udelay(500);
  3078. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3079. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3080. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3081. params->phy[INT_PHY].def_md_devad);
  3082. }
  3083. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3084. struct link_params *params, u16 *ieee_fc)
  3085. {
  3086. struct bnx2x *bp = params->bp;
  3087. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3088. /**
  3089. * resolve pause mode and advertisement Please refer to Table
  3090. * 28B-3 of the 802.3ab-1999 spec
  3091. */
  3092. switch (phy->req_flow_ctrl) {
  3093. case BNX2X_FLOW_CTRL_AUTO:
  3094. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3095. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3096. else
  3097. *ieee_fc |=
  3098. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3099. break;
  3100. case BNX2X_FLOW_CTRL_TX:
  3101. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3102. break;
  3103. case BNX2X_FLOW_CTRL_RX:
  3104. case BNX2X_FLOW_CTRL_BOTH:
  3105. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3106. break;
  3107. case BNX2X_FLOW_CTRL_NONE:
  3108. default:
  3109. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3110. break;
  3111. }
  3112. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3113. }
  3114. static void set_phy_vars(struct link_params *params,
  3115. struct link_vars *vars)
  3116. {
  3117. struct bnx2x *bp = params->bp;
  3118. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3119. u8 phy_config_swapped = params->multi_phy_config &
  3120. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3121. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3122. phy_index++) {
  3123. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3124. actual_phy_idx = phy_index;
  3125. if (phy_config_swapped) {
  3126. if (phy_index == EXT_PHY1)
  3127. actual_phy_idx = EXT_PHY2;
  3128. else if (phy_index == EXT_PHY2)
  3129. actual_phy_idx = EXT_PHY1;
  3130. }
  3131. params->phy[actual_phy_idx].req_flow_ctrl =
  3132. params->req_flow_ctrl[link_cfg_idx];
  3133. params->phy[actual_phy_idx].req_line_speed =
  3134. params->req_line_speed[link_cfg_idx];
  3135. params->phy[actual_phy_idx].speed_cap_mask =
  3136. params->speed_cap_mask[link_cfg_idx];
  3137. params->phy[actual_phy_idx].req_duplex =
  3138. params->req_duplex[link_cfg_idx];
  3139. if (params->req_line_speed[link_cfg_idx] ==
  3140. SPEED_AUTO_NEG)
  3141. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3142. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3143. " speed_cap_mask %x\n",
  3144. params->phy[actual_phy_idx].req_flow_ctrl,
  3145. params->phy[actual_phy_idx].req_line_speed,
  3146. params->phy[actual_phy_idx].speed_cap_mask);
  3147. }
  3148. }
  3149. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3150. struct bnx2x_phy *phy,
  3151. struct link_vars *vars)
  3152. {
  3153. u16 val;
  3154. struct bnx2x *bp = params->bp;
  3155. /* read modify write pause advertizing */
  3156. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3157. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3158. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3159. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3160. if ((vars->ieee_fc &
  3161. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3162. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3163. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3164. }
  3165. if ((vars->ieee_fc &
  3166. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3167. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3168. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3169. }
  3170. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3171. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3172. }
  3173. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3174. { /* LD LP */
  3175. switch (pause_result) { /* ASYM P ASYM P */
  3176. case 0xb: /* 1 0 1 1 */
  3177. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3178. break;
  3179. case 0xe: /* 1 1 1 0 */
  3180. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3181. break;
  3182. case 0x5: /* 0 1 0 1 */
  3183. case 0x7: /* 0 1 1 1 */
  3184. case 0xd: /* 1 1 0 1 */
  3185. case 0xf: /* 1 1 1 1 */
  3186. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3187. break;
  3188. default:
  3189. break;
  3190. }
  3191. if (pause_result & (1<<0))
  3192. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3193. if (pause_result & (1<<1))
  3194. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3195. }
  3196. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3197. struct link_params *params,
  3198. struct link_vars *vars)
  3199. {
  3200. u16 ld_pause; /* local */
  3201. u16 lp_pause; /* link partner */
  3202. u16 pause_result;
  3203. struct bnx2x *bp = params->bp;
  3204. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3205. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3206. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3207. } else {
  3208. bnx2x_cl45_read(bp, phy,
  3209. MDIO_AN_DEVAD,
  3210. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3211. bnx2x_cl45_read(bp, phy,
  3212. MDIO_AN_DEVAD,
  3213. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3214. }
  3215. pause_result = (ld_pause &
  3216. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3217. pause_result |= (lp_pause &
  3218. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3219. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3220. bnx2x_pause_resolve(vars, pause_result);
  3221. }
  3222. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3223. struct link_params *params,
  3224. struct link_vars *vars)
  3225. {
  3226. u8 ret = 0;
  3227. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3228. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3229. /* Update the advertised flow-controled of LD/LP in AN */
  3230. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3231. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3232. /* But set the flow-control result as the requested one */
  3233. vars->flow_ctrl = phy->req_flow_ctrl;
  3234. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3235. vars->flow_ctrl = params->req_fc_auto_adv;
  3236. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3237. ret = 1;
  3238. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3239. }
  3240. return ret;
  3241. }
  3242. /******************************************************************/
  3243. /* Warpcore section */
  3244. /******************************************************************/
  3245. /* The init_internal_warpcore should mirror the xgxs,
  3246. * i.e. reset the lane (if needed), set aer for the
  3247. * init configuration, and set/clear SGMII flag. Internal
  3248. * phy init is done purely in phy_init stage.
  3249. */
  3250. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3251. struct link_params *params,
  3252. struct link_vars *vars) {
  3253. u16 val16 = 0, lane, bam37 = 0;
  3254. struct bnx2x *bp = params->bp;
  3255. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3256. /* Disable Autoneg: re-enable it after adv is done. */
  3257. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3258. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3259. /* Check adding advertisement for 1G KX */
  3260. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3261. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3262. (vars->line_speed == SPEED_1000)) {
  3263. u16 sd_digital;
  3264. val16 |= (1<<5);
  3265. /* Enable CL37 1G Parallel Detect */
  3266. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3270. (sd_digital | 0x1));
  3271. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3272. }
  3273. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3274. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3275. (vars->line_speed == SPEED_10000)) {
  3276. /* Check adding advertisement for 10G KR */
  3277. val16 |= (1<<7);
  3278. /* Enable 10G Parallel Detect */
  3279. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3280. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3281. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3282. }
  3283. /* Set Transmit PMD settings */
  3284. lane = bnx2x_get_warpcore_lane(phy, params);
  3285. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3287. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3288. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3289. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3290. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3292. 0x03f0);
  3293. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3295. 0x03f0);
  3296. /* Advertised speeds */
  3297. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3298. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3299. /* Advertised and set FEC (Forward Error Correction) */
  3300. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3301. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3302. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3303. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3304. /* Enable CL37 BAM */
  3305. if (REG_RD(bp, params->shmem_base +
  3306. offsetof(struct shmem_region, dev_info.
  3307. port_hw_config[params->port].default_cfg)) &
  3308. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3309. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3311. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3312. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3313. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3314. }
  3315. /* Advertise pause */
  3316. bnx2x_ext_phy_set_pause(params, phy, vars);
  3317. /*
  3318. * Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3319. */
  3320. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3321. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3322. if (val16 < 0xd108) {
  3323. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3324. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3325. }
  3326. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3328. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3329. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3330. /* Over 1G - AN local device user page 1 */
  3331. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3333. /* Enable Autoneg */
  3334. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3335. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3336. }
  3337. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3338. struct link_params *params,
  3339. struct link_vars *vars)
  3340. {
  3341. struct bnx2x *bp = params->bp;
  3342. u16 val;
  3343. /* Disable Autoneg */
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3346. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3347. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3348. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3349. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3350. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3351. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3352. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3353. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3354. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3356. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3357. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3358. /* Disable CL36 PCS Tx */
  3359. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3360. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3361. /* Double Wide Single Data Rate @ pll rate */
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3364. /* Leave cl72 training enable, needed for KR */
  3365. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3366. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3367. 0x2);
  3368. /* Leave CL72 enabled */
  3369. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3371. &val);
  3372. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3374. val | 0x3800);
  3375. /* Set speed via PMA/PMD register */
  3376. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3377. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3378. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3379. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3380. /*Enable encoded forced speed */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3383. /* Turn TX scramble payload only the 64/66 scrambler */
  3384. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3385. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3386. /* Turn RX scramble payload only the 64/66 scrambler */
  3387. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3389. /* set and clear loopback to cause a reset to 64/66 decoder */
  3390. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3391. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3394. }
  3395. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3396. struct link_params *params,
  3397. u8 is_xfi)
  3398. {
  3399. struct bnx2x *bp = params->bp;
  3400. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3401. /* Hold rxSeqStart */
  3402. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3406. /* Hold tx_fifo_reset */
  3407. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3411. /* Disable CL73 AN */
  3412. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3413. /* Disable 100FX Enable and Auto-Detect */
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_FX100_CTRL1, &val);
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3418. /* Disable 100FX Idle detect */
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_FX100_CTRL3, &val);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3423. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3424. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3426. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3428. /* Turn off auto-detect & fiber mode */
  3429. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3430. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3431. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3433. (val & 0xFFEE));
  3434. /* Set filter_force_link, disable_false_link and parallel_detect */
  3435. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3437. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3439. ((val | 0x0006) & 0xFFFE));
  3440. /* Set XFI / SFI */
  3441. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3443. misc1_val &= ~(0x1f);
  3444. if (is_xfi) {
  3445. misc1_val |= 0x5;
  3446. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3447. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3448. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3449. tx_driver_val =
  3450. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3451. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3452. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3453. } else {
  3454. misc1_val |= 0x9;
  3455. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3456. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3457. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3458. tx_driver_val =
  3459. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3460. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3461. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3462. }
  3463. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3465. /* Set Transmit PMD settings */
  3466. lane = bnx2x_get_warpcore_lane(phy, params);
  3467. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_TX_FIR_TAP,
  3469. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3470. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3472. tx_driver_val);
  3473. /* Enable fiber mode, enable and invert sig_det */
  3474. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3478. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3479. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3481. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3483. /* 10G XFI Full Duplex */
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3486. /* Release tx_fifo_reset */
  3487. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3489. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3491. /* Release rxSeqStart */
  3492. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3494. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3496. }
  3497. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3498. struct bnx2x_phy *phy)
  3499. {
  3500. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3501. }
  3502. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3503. struct bnx2x_phy *phy,
  3504. u16 lane)
  3505. {
  3506. /* Rx0 anaRxControl1G */
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3509. /* Rx2 anaRxControl1G */
  3510. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3511. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3514. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3528. /* Serdes Digital Misc1 */
  3529. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3531. /* Serdes Digital4 Misc3 */
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3534. /* Set Transmit PMD settings */
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_TX_FIR_TAP,
  3537. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3538. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3539. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3540. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3541. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3543. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3544. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3545. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3546. }
  3547. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3548. struct link_params *params,
  3549. u8 fiber_mode,
  3550. u8 always_autoneg)
  3551. {
  3552. struct bnx2x *bp = params->bp;
  3553. u16 val16, digctrl_kx1, digctrl_kx2;
  3554. /* Clear XFI clock comp in non-10G single lane mode. */
  3555. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_RX66_CONTROL, &val16);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3559. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3560. /* SGMII Autoneg */
  3561. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3565. val16 | 0x1000);
  3566. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3567. } else {
  3568. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3570. val16 &= 0xcebf;
  3571. switch (phy->req_line_speed) {
  3572. case SPEED_10:
  3573. break;
  3574. case SPEED_100:
  3575. val16 |= 0x2000;
  3576. break;
  3577. case SPEED_1000:
  3578. val16 |= 0x0040;
  3579. break;
  3580. default:
  3581. DP(NETIF_MSG_LINK,
  3582. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3583. return;
  3584. }
  3585. if (phy->req_duplex == DUPLEX_FULL)
  3586. val16 |= 0x0100;
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3589. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3590. phy->req_line_speed);
  3591. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3593. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3594. }
  3595. /* SGMII Slave mode and disable signal detect */
  3596. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3598. if (fiber_mode)
  3599. digctrl_kx1 = 1;
  3600. else
  3601. digctrl_kx1 &= 0xff4a;
  3602. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3604. digctrl_kx1);
  3605. /* Turn off parallel detect */
  3606. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3610. (digctrl_kx2 & ~(1<<2)));
  3611. /* Re-enable parallel detect */
  3612. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3613. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3614. (digctrl_kx2 | (1<<2)));
  3615. /* Enable autodet */
  3616. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3617. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3618. (digctrl_kx1 | 0x10));
  3619. }
  3620. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3621. struct bnx2x_phy *phy,
  3622. u8 reset)
  3623. {
  3624. u16 val;
  3625. /* Take lane out of reset after configuration is finished */
  3626. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3627. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3628. if (reset)
  3629. val |= 0xC000;
  3630. else
  3631. val &= 0x3FFF;
  3632. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3634. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3636. }
  3637. /* Clear SFI/XFI link settings registers */
  3638. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3639. struct link_params *params,
  3640. u16 lane)
  3641. {
  3642. struct bnx2x *bp = params->bp;
  3643. u16 val16;
  3644. /* Set XFI clock comp as default. */
  3645. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_RX66_CONTROL, &val16);
  3647. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3649. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3650. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3651. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3655. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3656. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3659. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3660. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3663. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3665. lane = bnx2x_get_warpcore_lane(phy, params);
  3666. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3668. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3669. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3670. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3671. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3674. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3675. }
  3676. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3677. u32 chip_id,
  3678. u32 shmem_base, u8 port,
  3679. u8 *gpio_num, u8 *gpio_port)
  3680. {
  3681. u32 cfg_pin;
  3682. *gpio_num = 0;
  3683. *gpio_port = 0;
  3684. if (CHIP_IS_E3(bp)) {
  3685. cfg_pin = (REG_RD(bp, shmem_base +
  3686. offsetof(struct shmem_region,
  3687. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3688. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3689. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3690. /*
  3691. * Should not happen. This function called upon interrupt
  3692. * triggered by GPIO ( since EPIO can only generate interrupts
  3693. * to MCP).
  3694. * So if this function was called and none of the GPIOs was set,
  3695. * it means the shit hit the fan.
  3696. */
  3697. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3698. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3699. DP(NETIF_MSG_LINK,
  3700. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3701. cfg_pin);
  3702. return -EINVAL;
  3703. }
  3704. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3705. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3706. } else {
  3707. *gpio_num = MISC_REGISTERS_GPIO_3;
  3708. *gpio_port = port;
  3709. }
  3710. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3711. return 0;
  3712. }
  3713. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3714. struct link_params *params)
  3715. {
  3716. struct bnx2x *bp = params->bp;
  3717. u8 gpio_num, gpio_port;
  3718. u32 gpio_val;
  3719. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3720. params->shmem_base, params->port,
  3721. &gpio_num, &gpio_port) != 0)
  3722. return 0;
  3723. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3724. /* Call the handling function in case module is detected */
  3725. if (gpio_val == 0)
  3726. return 1;
  3727. else
  3728. return 0;
  3729. }
  3730. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3731. struct link_params *params)
  3732. {
  3733. u16 gp2_status_reg0, lane;
  3734. struct bnx2x *bp = params->bp;
  3735. lane = bnx2x_get_warpcore_lane(phy, params);
  3736. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3737. &gp2_status_reg0);
  3738. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3739. }
  3740. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3741. struct link_params *params,
  3742. struct link_vars *vars)
  3743. {
  3744. struct bnx2x *bp = params->bp;
  3745. u32 serdes_net_if;
  3746. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3747. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3748. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3749. if (!vars->turn_to_run_wc_rt)
  3750. return;
  3751. /* return if there is no link partner */
  3752. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3753. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3754. return;
  3755. }
  3756. if (vars->rx_tx_asic_rst) {
  3757. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3758. offsetof(struct shmem_region, dev_info.
  3759. port_hw_config[params->port].default_cfg)) &
  3760. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3761. switch (serdes_net_if) {
  3762. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3763. /* Do we get link yet? */
  3764. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3765. &gp_status1);
  3766. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3767. /*10G KR*/
  3768. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3769. DP(NETIF_MSG_LINK,
  3770. "gp_status1 0x%x\n", gp_status1);
  3771. if (lnkup_kr || lnkup) {
  3772. vars->rx_tx_asic_rst = 0;
  3773. DP(NETIF_MSG_LINK,
  3774. "link up, rx_tx_asic_rst 0x%x\n",
  3775. vars->rx_tx_asic_rst);
  3776. } else {
  3777. /*reset the lane to see if link comes up.*/
  3778. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3779. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3780. /* restart Autoneg */
  3781. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3782. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3783. vars->rx_tx_asic_rst--;
  3784. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3785. vars->rx_tx_asic_rst);
  3786. }
  3787. break;
  3788. default:
  3789. break;
  3790. }
  3791. } /*params->rx_tx_asic_rst*/
  3792. }
  3793. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3794. struct link_params *params,
  3795. struct link_vars *vars)
  3796. {
  3797. struct bnx2x *bp = params->bp;
  3798. u32 serdes_net_if;
  3799. u8 fiber_mode;
  3800. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3801. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3802. offsetof(struct shmem_region, dev_info.
  3803. port_hw_config[params->port].default_cfg)) &
  3804. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3805. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3806. "serdes_net_if = 0x%x\n",
  3807. vars->line_speed, serdes_net_if);
  3808. bnx2x_set_aer_mmd(params, phy);
  3809. vars->phy_flags |= PHY_XGXS_FLAG;
  3810. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3811. (phy->req_line_speed &&
  3812. ((phy->req_line_speed == SPEED_100) ||
  3813. (phy->req_line_speed == SPEED_10)))) {
  3814. vars->phy_flags |= PHY_SGMII_FLAG;
  3815. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3816. bnx2x_warpcore_clear_regs(phy, params, lane);
  3817. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3818. } else {
  3819. switch (serdes_net_if) {
  3820. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3821. /* Enable KR Auto Neg */
  3822. if (params->loopback_mode == LOOPBACK_NONE)
  3823. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3824. else {
  3825. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3826. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3827. }
  3828. break;
  3829. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3830. bnx2x_warpcore_clear_regs(phy, params, lane);
  3831. if (vars->line_speed == SPEED_10000) {
  3832. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3833. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3834. } else {
  3835. if (SINGLE_MEDIA_DIRECT(params)) {
  3836. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3837. fiber_mode = 1;
  3838. } else {
  3839. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3840. fiber_mode = 0;
  3841. }
  3842. bnx2x_warpcore_set_sgmii_speed(phy,
  3843. params,
  3844. fiber_mode,
  3845. 0);
  3846. }
  3847. break;
  3848. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3849. bnx2x_warpcore_clear_regs(phy, params, lane);
  3850. if (vars->line_speed == SPEED_10000) {
  3851. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3852. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3853. } else if (vars->line_speed == SPEED_1000) {
  3854. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3855. bnx2x_warpcore_set_sgmii_speed(
  3856. phy, params, 1, 0);
  3857. }
  3858. /* Issue Module detection */
  3859. if (bnx2x_is_sfp_module_plugged(phy, params))
  3860. bnx2x_sfp_module_detection(phy, params);
  3861. break;
  3862. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3863. if (vars->line_speed != SPEED_20000) {
  3864. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3865. return;
  3866. }
  3867. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3868. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3869. /* Issue Module detection */
  3870. bnx2x_sfp_module_detection(phy, params);
  3871. break;
  3872. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3873. if (vars->line_speed != SPEED_20000) {
  3874. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3875. return;
  3876. }
  3877. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3878. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3879. break;
  3880. default:
  3881. DP(NETIF_MSG_LINK,
  3882. "Unsupported Serdes Net Interface 0x%x\n",
  3883. serdes_net_if);
  3884. return;
  3885. }
  3886. }
  3887. /* Take lane out of reset after configuration is finished */
  3888. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3889. DP(NETIF_MSG_LINK, "Exit config init\n");
  3890. }
  3891. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3892. struct bnx2x_phy *phy,
  3893. u8 tx_en)
  3894. {
  3895. struct bnx2x *bp = params->bp;
  3896. u32 cfg_pin;
  3897. u8 port = params->port;
  3898. cfg_pin = REG_RD(bp, params->shmem_base +
  3899. offsetof(struct shmem_region,
  3900. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3901. PORT_HW_CFG_TX_LASER_MASK;
  3902. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3903. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3904. /* For 20G, the expected pin to be used is 3 pins after the current */
  3905. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3906. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3907. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3908. }
  3909. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3910. struct link_params *params)
  3911. {
  3912. struct bnx2x *bp = params->bp;
  3913. u16 val16;
  3914. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3915. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3916. bnx2x_set_aer_mmd(params, phy);
  3917. /* Global register */
  3918. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3919. /* Clear loopback settings (if any) */
  3920. /* 10G & 20G */
  3921. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3922. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3923. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3924. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3925. 0xBFFF);
  3926. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3927. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3928. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3929. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3930. /* Update those 1-copy registers */
  3931. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3932. MDIO_AER_BLOCK_AER_REG, 0);
  3933. /* Enable 1G MDIO (1-copy) */
  3934. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3935. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3936. &val16);
  3937. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3938. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3939. val16 & ~0x10);
  3940. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3941. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3942. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3943. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3944. val16 & 0xff00);
  3945. }
  3946. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3947. struct link_params *params)
  3948. {
  3949. struct bnx2x *bp = params->bp;
  3950. u16 val16;
  3951. u32 lane;
  3952. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3953. params->loopback_mode, phy->req_line_speed);
  3954. if (phy->req_line_speed < SPEED_10000) {
  3955. /* 10/100/1000 */
  3956. /* Update those 1-copy registers */
  3957. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3958. MDIO_AER_BLOCK_AER_REG, 0);
  3959. /* Enable 1G MDIO (1-copy) */
  3960. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3961. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3962. &val16);
  3963. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3964. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3965. val16 | 0x10);
  3966. /* Set 1G loopback based on lane (1-copy) */
  3967. lane = bnx2x_get_warpcore_lane(phy, params);
  3968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3969. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3970. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3972. val16 | (1<<lane));
  3973. /* Switch back to 4-copy registers */
  3974. bnx2x_set_aer_mmd(params, phy);
  3975. } else {
  3976. /* 10G & 20G */
  3977. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3981. 0x4000);
  3982. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3983. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3984. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3986. }
  3987. }
  3988. void bnx2x_sync_link(struct link_params *params,
  3989. struct link_vars *vars)
  3990. {
  3991. struct bnx2x *bp = params->bp;
  3992. u8 link_10g_plus;
  3993. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3994. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3995. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3996. if (vars->link_up) {
  3997. DP(NETIF_MSG_LINK, "phy link up\n");
  3998. vars->phy_link_up = 1;
  3999. vars->duplex = DUPLEX_FULL;
  4000. switch (vars->link_status &
  4001. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4002. case LINK_10THD:
  4003. vars->duplex = DUPLEX_HALF;
  4004. /* fall thru */
  4005. case LINK_10TFD:
  4006. vars->line_speed = SPEED_10;
  4007. break;
  4008. case LINK_100TXHD:
  4009. vars->duplex = DUPLEX_HALF;
  4010. /* fall thru */
  4011. case LINK_100T4:
  4012. case LINK_100TXFD:
  4013. vars->line_speed = SPEED_100;
  4014. break;
  4015. case LINK_1000THD:
  4016. vars->duplex = DUPLEX_HALF;
  4017. /* fall thru */
  4018. case LINK_1000TFD:
  4019. vars->line_speed = SPEED_1000;
  4020. break;
  4021. case LINK_2500THD:
  4022. vars->duplex = DUPLEX_HALF;
  4023. /* fall thru */
  4024. case LINK_2500TFD:
  4025. vars->line_speed = SPEED_2500;
  4026. break;
  4027. case LINK_10GTFD:
  4028. vars->line_speed = SPEED_10000;
  4029. break;
  4030. case LINK_20GTFD:
  4031. vars->line_speed = SPEED_20000;
  4032. break;
  4033. default:
  4034. break;
  4035. }
  4036. vars->flow_ctrl = 0;
  4037. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4038. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4039. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4040. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4041. if (!vars->flow_ctrl)
  4042. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4043. if (vars->line_speed &&
  4044. ((vars->line_speed == SPEED_10) ||
  4045. (vars->line_speed == SPEED_100))) {
  4046. vars->phy_flags |= PHY_SGMII_FLAG;
  4047. } else {
  4048. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4049. }
  4050. if (vars->line_speed &&
  4051. USES_WARPCORE(bp) &&
  4052. (vars->line_speed == SPEED_1000))
  4053. vars->phy_flags |= PHY_SGMII_FLAG;
  4054. /* anything 10 and over uses the bmac */
  4055. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4056. if (link_10g_plus) {
  4057. if (USES_WARPCORE(bp))
  4058. vars->mac_type = MAC_TYPE_XMAC;
  4059. else
  4060. vars->mac_type = MAC_TYPE_BMAC;
  4061. } else {
  4062. if (USES_WARPCORE(bp))
  4063. vars->mac_type = MAC_TYPE_UMAC;
  4064. else
  4065. vars->mac_type = MAC_TYPE_EMAC;
  4066. }
  4067. } else { /* link down */
  4068. DP(NETIF_MSG_LINK, "phy link down\n");
  4069. vars->phy_link_up = 0;
  4070. vars->line_speed = 0;
  4071. vars->duplex = DUPLEX_FULL;
  4072. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4073. /* indicate no mac active */
  4074. vars->mac_type = MAC_TYPE_NONE;
  4075. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4076. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4077. }
  4078. }
  4079. void bnx2x_link_status_update(struct link_params *params,
  4080. struct link_vars *vars)
  4081. {
  4082. struct bnx2x *bp = params->bp;
  4083. u8 port = params->port;
  4084. u32 sync_offset, media_types;
  4085. /* Update PHY configuration */
  4086. set_phy_vars(params, vars);
  4087. vars->link_status = REG_RD(bp, params->shmem_base +
  4088. offsetof(struct shmem_region,
  4089. port_mb[port].link_status));
  4090. vars->phy_flags = PHY_XGXS_FLAG;
  4091. bnx2x_sync_link(params, vars);
  4092. /* Sync media type */
  4093. sync_offset = params->shmem_base +
  4094. offsetof(struct shmem_region,
  4095. dev_info.port_hw_config[port].media_type);
  4096. media_types = REG_RD(bp, sync_offset);
  4097. params->phy[INT_PHY].media_type =
  4098. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4099. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4100. params->phy[EXT_PHY1].media_type =
  4101. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4102. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4103. params->phy[EXT_PHY2].media_type =
  4104. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4105. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4106. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4107. /* Sync AEU offset */
  4108. sync_offset = params->shmem_base +
  4109. offsetof(struct shmem_region,
  4110. dev_info.port_hw_config[port].aeu_int_mask);
  4111. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4112. /* Sync PFC status */
  4113. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4114. params->feature_config_flags |=
  4115. FEATURE_CONFIG_PFC_ENABLED;
  4116. else
  4117. params->feature_config_flags &=
  4118. ~FEATURE_CONFIG_PFC_ENABLED;
  4119. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4120. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4121. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4122. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4123. }
  4124. static void bnx2x_set_master_ln(struct link_params *params,
  4125. struct bnx2x_phy *phy)
  4126. {
  4127. struct bnx2x *bp = params->bp;
  4128. u16 new_master_ln, ser_lane;
  4129. ser_lane = ((params->lane_config &
  4130. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4131. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4132. /* set the master_ln for AN */
  4133. CL22_RD_OVER_CL45(bp, phy,
  4134. MDIO_REG_BANK_XGXS_BLOCK2,
  4135. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4136. &new_master_ln);
  4137. CL22_WR_OVER_CL45(bp, phy,
  4138. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4139. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4140. (new_master_ln | ser_lane));
  4141. }
  4142. static int bnx2x_reset_unicore(struct link_params *params,
  4143. struct bnx2x_phy *phy,
  4144. u8 set_serdes)
  4145. {
  4146. struct bnx2x *bp = params->bp;
  4147. u16 mii_control;
  4148. u16 i;
  4149. CL22_RD_OVER_CL45(bp, phy,
  4150. MDIO_REG_BANK_COMBO_IEEE0,
  4151. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4152. /* reset the unicore */
  4153. CL22_WR_OVER_CL45(bp, phy,
  4154. MDIO_REG_BANK_COMBO_IEEE0,
  4155. MDIO_COMBO_IEEE0_MII_CONTROL,
  4156. (mii_control |
  4157. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4158. if (set_serdes)
  4159. bnx2x_set_serdes_access(bp, params->port);
  4160. /* wait for the reset to self clear */
  4161. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4162. udelay(5);
  4163. /* the reset erased the previous bank value */
  4164. CL22_RD_OVER_CL45(bp, phy,
  4165. MDIO_REG_BANK_COMBO_IEEE0,
  4166. MDIO_COMBO_IEEE0_MII_CONTROL,
  4167. &mii_control);
  4168. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4169. udelay(5);
  4170. return 0;
  4171. }
  4172. }
  4173. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4174. " Port %d\n",
  4175. params->port);
  4176. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4177. return -EINVAL;
  4178. }
  4179. static void bnx2x_set_swap_lanes(struct link_params *params,
  4180. struct bnx2x_phy *phy)
  4181. {
  4182. struct bnx2x *bp = params->bp;
  4183. /*
  4184. * Each two bits represents a lane number:
  4185. * No swap is 0123 => 0x1b no need to enable the swap
  4186. */
  4187. u16 rx_lane_swap, tx_lane_swap;
  4188. rx_lane_swap = ((params->lane_config &
  4189. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4190. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4191. tx_lane_swap = ((params->lane_config &
  4192. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4193. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4194. if (rx_lane_swap != 0x1b) {
  4195. CL22_WR_OVER_CL45(bp, phy,
  4196. MDIO_REG_BANK_XGXS_BLOCK2,
  4197. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4198. (rx_lane_swap |
  4199. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4200. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4201. } else {
  4202. CL22_WR_OVER_CL45(bp, phy,
  4203. MDIO_REG_BANK_XGXS_BLOCK2,
  4204. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4205. }
  4206. if (tx_lane_swap != 0x1b) {
  4207. CL22_WR_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_XGXS_BLOCK2,
  4209. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4210. (tx_lane_swap |
  4211. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4212. } else {
  4213. CL22_WR_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_XGXS_BLOCK2,
  4215. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4216. }
  4217. }
  4218. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4219. struct link_params *params)
  4220. {
  4221. struct bnx2x *bp = params->bp;
  4222. u16 control2;
  4223. CL22_RD_OVER_CL45(bp, phy,
  4224. MDIO_REG_BANK_SERDES_DIGITAL,
  4225. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4226. &control2);
  4227. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4228. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4229. else
  4230. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4231. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4232. phy->speed_cap_mask, control2);
  4233. CL22_WR_OVER_CL45(bp, phy,
  4234. MDIO_REG_BANK_SERDES_DIGITAL,
  4235. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4236. control2);
  4237. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4238. (phy->speed_cap_mask &
  4239. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4240. DP(NETIF_MSG_LINK, "XGXS\n");
  4241. CL22_WR_OVER_CL45(bp, phy,
  4242. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4243. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4244. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4245. CL22_RD_OVER_CL45(bp, phy,
  4246. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4247. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4248. &control2);
  4249. control2 |=
  4250. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4251. CL22_WR_OVER_CL45(bp, phy,
  4252. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4253. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4254. control2);
  4255. /* Disable parallel detection of HiG */
  4256. CL22_WR_OVER_CL45(bp, phy,
  4257. MDIO_REG_BANK_XGXS_BLOCK2,
  4258. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4259. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4260. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4261. }
  4262. }
  4263. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4264. struct link_params *params,
  4265. struct link_vars *vars,
  4266. u8 enable_cl73)
  4267. {
  4268. struct bnx2x *bp = params->bp;
  4269. u16 reg_val;
  4270. /* CL37 Autoneg */
  4271. CL22_RD_OVER_CL45(bp, phy,
  4272. MDIO_REG_BANK_COMBO_IEEE0,
  4273. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4274. /* CL37 Autoneg Enabled */
  4275. if (vars->line_speed == SPEED_AUTO_NEG)
  4276. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4277. else /* CL37 Autoneg Disabled */
  4278. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4279. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_COMBO_IEEE0,
  4282. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4283. /* Enable/Disable Autodetection */
  4284. CL22_RD_OVER_CL45(bp, phy,
  4285. MDIO_REG_BANK_SERDES_DIGITAL,
  4286. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4287. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4288. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4289. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4290. if (vars->line_speed == SPEED_AUTO_NEG)
  4291. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4292. else
  4293. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4294. CL22_WR_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_SERDES_DIGITAL,
  4296. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4297. /* Enable TetonII and BAM autoneg */
  4298. CL22_RD_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4300. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4301. &reg_val);
  4302. if (vars->line_speed == SPEED_AUTO_NEG) {
  4303. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4304. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4305. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4306. } else {
  4307. /* TetonII and BAM Autoneg Disabled */
  4308. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4309. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4310. }
  4311. CL22_WR_OVER_CL45(bp, phy,
  4312. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4313. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4314. reg_val);
  4315. if (enable_cl73) {
  4316. /* Enable Cl73 FSM status bits */
  4317. CL22_WR_OVER_CL45(bp, phy,
  4318. MDIO_REG_BANK_CL73_USERB0,
  4319. MDIO_CL73_USERB0_CL73_UCTRL,
  4320. 0xe);
  4321. /* Enable BAM Station Manager*/
  4322. CL22_WR_OVER_CL45(bp, phy,
  4323. MDIO_REG_BANK_CL73_USERB0,
  4324. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4325. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4326. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4327. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4328. /* Advertise CL73 link speeds */
  4329. CL22_RD_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_CL73_IEEEB1,
  4331. MDIO_CL73_IEEEB1_AN_ADV2,
  4332. &reg_val);
  4333. if (phy->speed_cap_mask &
  4334. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4335. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4336. if (phy->speed_cap_mask &
  4337. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4338. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4339. CL22_WR_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_CL73_IEEEB1,
  4341. MDIO_CL73_IEEEB1_AN_ADV2,
  4342. reg_val);
  4343. /* CL73 Autoneg Enabled */
  4344. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4345. } else /* CL73 Autoneg Disabled */
  4346. reg_val = 0;
  4347. CL22_WR_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_CL73_IEEEB0,
  4349. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4350. }
  4351. /* program SerDes, forced speed */
  4352. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4353. struct link_params *params,
  4354. struct link_vars *vars)
  4355. {
  4356. struct bnx2x *bp = params->bp;
  4357. u16 reg_val;
  4358. /* program duplex, disable autoneg and sgmii*/
  4359. CL22_RD_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_COMBO_IEEE0,
  4361. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4362. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4363. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4364. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4365. if (phy->req_duplex == DUPLEX_FULL)
  4366. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4367. CL22_WR_OVER_CL45(bp, phy,
  4368. MDIO_REG_BANK_COMBO_IEEE0,
  4369. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4370. /*
  4371. * program speed
  4372. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4373. */
  4374. CL22_RD_OVER_CL45(bp, phy,
  4375. MDIO_REG_BANK_SERDES_DIGITAL,
  4376. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4377. /* clearing the speed value before setting the right speed */
  4378. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4379. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4380. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4381. if (!((vars->line_speed == SPEED_1000) ||
  4382. (vars->line_speed == SPEED_100) ||
  4383. (vars->line_speed == SPEED_10))) {
  4384. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4385. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4386. if (vars->line_speed == SPEED_10000)
  4387. reg_val |=
  4388. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4389. }
  4390. CL22_WR_OVER_CL45(bp, phy,
  4391. MDIO_REG_BANK_SERDES_DIGITAL,
  4392. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4393. }
  4394. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4395. struct link_params *params)
  4396. {
  4397. struct bnx2x *bp = params->bp;
  4398. u16 val = 0;
  4399. /* configure the 48 bits for BAM AN */
  4400. /* set extended capabilities */
  4401. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4402. val |= MDIO_OVER_1G_UP1_2_5G;
  4403. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4404. val |= MDIO_OVER_1G_UP1_10G;
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_OVER_1G,
  4407. MDIO_OVER_1G_UP1, val);
  4408. CL22_WR_OVER_CL45(bp, phy,
  4409. MDIO_REG_BANK_OVER_1G,
  4410. MDIO_OVER_1G_UP3, 0x400);
  4411. }
  4412. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4413. struct link_params *params,
  4414. u16 ieee_fc)
  4415. {
  4416. struct bnx2x *bp = params->bp;
  4417. u16 val;
  4418. /* for AN, we are always publishing full duplex */
  4419. CL22_WR_OVER_CL45(bp, phy,
  4420. MDIO_REG_BANK_COMBO_IEEE0,
  4421. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4422. CL22_RD_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_CL73_IEEEB1,
  4424. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4425. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4426. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4427. CL22_WR_OVER_CL45(bp, phy,
  4428. MDIO_REG_BANK_CL73_IEEEB1,
  4429. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4430. }
  4431. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4432. struct link_params *params,
  4433. u8 enable_cl73)
  4434. {
  4435. struct bnx2x *bp = params->bp;
  4436. u16 mii_control;
  4437. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4438. /* Enable and restart BAM/CL37 aneg */
  4439. if (enable_cl73) {
  4440. CL22_RD_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_CL73_IEEEB0,
  4442. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4443. &mii_control);
  4444. CL22_WR_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_CL73_IEEEB0,
  4446. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4447. (mii_control |
  4448. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4449. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4450. } else {
  4451. CL22_RD_OVER_CL45(bp, phy,
  4452. MDIO_REG_BANK_COMBO_IEEE0,
  4453. MDIO_COMBO_IEEE0_MII_CONTROL,
  4454. &mii_control);
  4455. DP(NETIF_MSG_LINK,
  4456. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4457. mii_control);
  4458. CL22_WR_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_COMBO_IEEE0,
  4460. MDIO_COMBO_IEEE0_MII_CONTROL,
  4461. (mii_control |
  4462. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4463. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4464. }
  4465. }
  4466. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4467. struct link_params *params,
  4468. struct link_vars *vars)
  4469. {
  4470. struct bnx2x *bp = params->bp;
  4471. u16 control1;
  4472. /* in SGMII mode, the unicore is always slave */
  4473. CL22_RD_OVER_CL45(bp, phy,
  4474. MDIO_REG_BANK_SERDES_DIGITAL,
  4475. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4476. &control1);
  4477. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4478. /* set sgmii mode (and not fiber) */
  4479. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4480. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4481. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4482. CL22_WR_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_SERDES_DIGITAL,
  4484. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4485. control1);
  4486. /* if forced speed */
  4487. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4488. /* set speed, disable autoneg */
  4489. u16 mii_control;
  4490. CL22_RD_OVER_CL45(bp, phy,
  4491. MDIO_REG_BANK_COMBO_IEEE0,
  4492. MDIO_COMBO_IEEE0_MII_CONTROL,
  4493. &mii_control);
  4494. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4495. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4496. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4497. switch (vars->line_speed) {
  4498. case SPEED_100:
  4499. mii_control |=
  4500. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4501. break;
  4502. case SPEED_1000:
  4503. mii_control |=
  4504. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4505. break;
  4506. case SPEED_10:
  4507. /* there is nothing to set for 10M */
  4508. break;
  4509. default:
  4510. /* invalid speed for SGMII */
  4511. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4512. vars->line_speed);
  4513. break;
  4514. }
  4515. /* setting the full duplex */
  4516. if (phy->req_duplex == DUPLEX_FULL)
  4517. mii_control |=
  4518. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4519. CL22_WR_OVER_CL45(bp, phy,
  4520. MDIO_REG_BANK_COMBO_IEEE0,
  4521. MDIO_COMBO_IEEE0_MII_CONTROL,
  4522. mii_control);
  4523. } else { /* AN mode */
  4524. /* enable and restart AN */
  4525. bnx2x_restart_autoneg(phy, params, 0);
  4526. }
  4527. }
  4528. /*
  4529. * link management
  4530. */
  4531. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4532. struct link_params *params)
  4533. {
  4534. struct bnx2x *bp = params->bp;
  4535. u16 pd_10g, status2_1000x;
  4536. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4537. return 0;
  4538. CL22_RD_OVER_CL45(bp, phy,
  4539. MDIO_REG_BANK_SERDES_DIGITAL,
  4540. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4541. &status2_1000x);
  4542. CL22_RD_OVER_CL45(bp, phy,
  4543. MDIO_REG_BANK_SERDES_DIGITAL,
  4544. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4545. &status2_1000x);
  4546. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4547. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4548. params->port);
  4549. return 1;
  4550. }
  4551. CL22_RD_OVER_CL45(bp, phy,
  4552. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4553. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4554. &pd_10g);
  4555. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4556. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4557. params->port);
  4558. return 1;
  4559. }
  4560. return 0;
  4561. }
  4562. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4563. struct link_params *params,
  4564. struct link_vars *vars,
  4565. u32 gp_status)
  4566. {
  4567. u16 ld_pause; /* local driver */
  4568. u16 lp_pause; /* link partner */
  4569. u16 pause_result;
  4570. struct bnx2x *bp = params->bp;
  4571. if ((gp_status &
  4572. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4573. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4574. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4575. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4576. CL22_RD_OVER_CL45(bp, phy,
  4577. MDIO_REG_BANK_CL73_IEEEB1,
  4578. MDIO_CL73_IEEEB1_AN_ADV1,
  4579. &ld_pause);
  4580. CL22_RD_OVER_CL45(bp, phy,
  4581. MDIO_REG_BANK_CL73_IEEEB1,
  4582. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4583. &lp_pause);
  4584. pause_result = (ld_pause &
  4585. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4586. pause_result |= (lp_pause &
  4587. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4588. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4589. } else {
  4590. CL22_RD_OVER_CL45(bp, phy,
  4591. MDIO_REG_BANK_COMBO_IEEE0,
  4592. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4593. &ld_pause);
  4594. CL22_RD_OVER_CL45(bp, phy,
  4595. MDIO_REG_BANK_COMBO_IEEE0,
  4596. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4597. &lp_pause);
  4598. pause_result = (ld_pause &
  4599. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4600. pause_result |= (lp_pause &
  4601. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4602. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4603. }
  4604. bnx2x_pause_resolve(vars, pause_result);
  4605. }
  4606. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4607. struct link_params *params,
  4608. struct link_vars *vars,
  4609. u32 gp_status)
  4610. {
  4611. struct bnx2x *bp = params->bp;
  4612. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4613. /* resolve from gp_status in case of AN complete and not sgmii */
  4614. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4615. /* Update the advertised flow-controled of LD/LP in AN */
  4616. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4617. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4618. /* But set the flow-control result as the requested one */
  4619. vars->flow_ctrl = phy->req_flow_ctrl;
  4620. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4621. vars->flow_ctrl = params->req_fc_auto_adv;
  4622. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4623. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4624. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4625. vars->flow_ctrl = params->req_fc_auto_adv;
  4626. return;
  4627. }
  4628. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4629. }
  4630. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4631. }
  4632. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4633. struct link_params *params)
  4634. {
  4635. struct bnx2x *bp = params->bp;
  4636. u16 rx_status, ustat_val, cl37_fsm_received;
  4637. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4638. /* Step 1: Make sure signal is detected */
  4639. CL22_RD_OVER_CL45(bp, phy,
  4640. MDIO_REG_BANK_RX0,
  4641. MDIO_RX0_RX_STATUS,
  4642. &rx_status);
  4643. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4644. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4645. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4646. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4647. CL22_WR_OVER_CL45(bp, phy,
  4648. MDIO_REG_BANK_CL73_IEEEB0,
  4649. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4650. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4651. return;
  4652. }
  4653. /* Step 2: Check CL73 state machine */
  4654. CL22_RD_OVER_CL45(bp, phy,
  4655. MDIO_REG_BANK_CL73_USERB0,
  4656. MDIO_CL73_USERB0_CL73_USTAT1,
  4657. &ustat_val);
  4658. if ((ustat_val &
  4659. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4660. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4661. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4662. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4663. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4664. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4665. return;
  4666. }
  4667. /*
  4668. * Step 3: Check CL37 Message Pages received to indicate LP
  4669. * supports only CL37
  4670. */
  4671. CL22_RD_OVER_CL45(bp, phy,
  4672. MDIO_REG_BANK_REMOTE_PHY,
  4673. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4674. &cl37_fsm_received);
  4675. if ((cl37_fsm_received &
  4676. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4677. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4678. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4679. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4680. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4681. "misc_rx_status(0x8330) = 0x%x\n",
  4682. cl37_fsm_received);
  4683. return;
  4684. }
  4685. /*
  4686. * The combined cl37/cl73 fsm state information indicating that
  4687. * we are connected to a device which does not support cl73, but
  4688. * does support cl37 BAM. In this case we disable cl73 and
  4689. * restart cl37 auto-neg
  4690. */
  4691. /* Disable CL73 */
  4692. CL22_WR_OVER_CL45(bp, phy,
  4693. MDIO_REG_BANK_CL73_IEEEB0,
  4694. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4695. 0);
  4696. /* Restart CL37 autoneg */
  4697. bnx2x_restart_autoneg(phy, params, 0);
  4698. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4699. }
  4700. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4701. struct link_params *params,
  4702. struct link_vars *vars,
  4703. u32 gp_status)
  4704. {
  4705. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4706. vars->link_status |=
  4707. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4708. if (bnx2x_direct_parallel_detect_used(phy, params))
  4709. vars->link_status |=
  4710. LINK_STATUS_PARALLEL_DETECTION_USED;
  4711. }
  4712. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4713. struct link_params *params,
  4714. struct link_vars *vars,
  4715. u16 is_link_up,
  4716. u16 speed_mask,
  4717. u16 is_duplex)
  4718. {
  4719. struct bnx2x *bp = params->bp;
  4720. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4721. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4722. if (is_link_up) {
  4723. DP(NETIF_MSG_LINK, "phy link up\n");
  4724. vars->phy_link_up = 1;
  4725. vars->link_status |= LINK_STATUS_LINK_UP;
  4726. switch (speed_mask) {
  4727. case GP_STATUS_10M:
  4728. vars->line_speed = SPEED_10;
  4729. if (vars->duplex == DUPLEX_FULL)
  4730. vars->link_status |= LINK_10TFD;
  4731. else
  4732. vars->link_status |= LINK_10THD;
  4733. break;
  4734. case GP_STATUS_100M:
  4735. vars->line_speed = SPEED_100;
  4736. if (vars->duplex == DUPLEX_FULL)
  4737. vars->link_status |= LINK_100TXFD;
  4738. else
  4739. vars->link_status |= LINK_100TXHD;
  4740. break;
  4741. case GP_STATUS_1G:
  4742. case GP_STATUS_1G_KX:
  4743. vars->line_speed = SPEED_1000;
  4744. if (vars->duplex == DUPLEX_FULL)
  4745. vars->link_status |= LINK_1000TFD;
  4746. else
  4747. vars->link_status |= LINK_1000THD;
  4748. break;
  4749. case GP_STATUS_2_5G:
  4750. vars->line_speed = SPEED_2500;
  4751. if (vars->duplex == DUPLEX_FULL)
  4752. vars->link_status |= LINK_2500TFD;
  4753. else
  4754. vars->link_status |= LINK_2500THD;
  4755. break;
  4756. case GP_STATUS_5G:
  4757. case GP_STATUS_6G:
  4758. DP(NETIF_MSG_LINK,
  4759. "link speed unsupported gp_status 0x%x\n",
  4760. speed_mask);
  4761. return -EINVAL;
  4762. case GP_STATUS_10G_KX4:
  4763. case GP_STATUS_10G_HIG:
  4764. case GP_STATUS_10G_CX4:
  4765. case GP_STATUS_10G_KR:
  4766. case GP_STATUS_10G_SFI:
  4767. case GP_STATUS_10G_XFI:
  4768. vars->line_speed = SPEED_10000;
  4769. vars->link_status |= LINK_10GTFD;
  4770. break;
  4771. case GP_STATUS_20G_DXGXS:
  4772. vars->line_speed = SPEED_20000;
  4773. vars->link_status |= LINK_20GTFD;
  4774. break;
  4775. default:
  4776. DP(NETIF_MSG_LINK,
  4777. "link speed unsupported gp_status 0x%x\n",
  4778. speed_mask);
  4779. return -EINVAL;
  4780. }
  4781. } else { /* link_down */
  4782. DP(NETIF_MSG_LINK, "phy link down\n");
  4783. vars->phy_link_up = 0;
  4784. vars->duplex = DUPLEX_FULL;
  4785. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4786. vars->mac_type = MAC_TYPE_NONE;
  4787. }
  4788. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4789. vars->phy_link_up, vars->line_speed);
  4790. return 0;
  4791. }
  4792. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4793. struct link_params *params,
  4794. struct link_vars *vars)
  4795. {
  4796. struct bnx2x *bp = params->bp;
  4797. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4798. int rc = 0;
  4799. /* Read gp_status */
  4800. CL22_RD_OVER_CL45(bp, phy,
  4801. MDIO_REG_BANK_GP_STATUS,
  4802. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4803. &gp_status);
  4804. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4805. duplex = DUPLEX_FULL;
  4806. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4807. link_up = 1;
  4808. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4809. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4810. gp_status, link_up, speed_mask);
  4811. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4812. duplex);
  4813. if (rc == -EINVAL)
  4814. return rc;
  4815. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4816. if (SINGLE_MEDIA_DIRECT(params)) {
  4817. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4818. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4819. bnx2x_xgxs_an_resolve(phy, params, vars,
  4820. gp_status);
  4821. }
  4822. } else { /* link_down */
  4823. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4824. SINGLE_MEDIA_DIRECT(params)) {
  4825. /* Check signal is detected */
  4826. bnx2x_check_fallback_to_cl37(phy, params);
  4827. }
  4828. }
  4829. /* Read LP advertised speeds*/
  4830. if (SINGLE_MEDIA_DIRECT(params) &&
  4831. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4832. u16 val;
  4833. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4834. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4835. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4836. vars->link_status |=
  4837. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4838. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4839. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4840. vars->link_status |=
  4841. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4842. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4843. MDIO_OVER_1G_LP_UP1, &val);
  4844. if (val & MDIO_OVER_1G_UP1_2_5G)
  4845. vars->link_status |=
  4846. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4847. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4848. vars->link_status |=
  4849. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4850. }
  4851. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4852. vars->duplex, vars->flow_ctrl, vars->link_status);
  4853. return rc;
  4854. }
  4855. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4856. struct link_params *params,
  4857. struct link_vars *vars)
  4858. {
  4859. struct bnx2x *bp = params->bp;
  4860. u8 lane;
  4861. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4862. int rc = 0;
  4863. lane = bnx2x_get_warpcore_lane(phy, params);
  4864. /* Read gp_status */
  4865. if (phy->req_line_speed > SPEED_10000) {
  4866. u16 temp_link_up;
  4867. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4868. 1, &temp_link_up);
  4869. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4870. 1, &link_up);
  4871. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4872. temp_link_up, link_up);
  4873. link_up &= (1<<2);
  4874. if (link_up)
  4875. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4876. } else {
  4877. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4878. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4879. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4880. /* Check for either KR or generic link up. */
  4881. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4882. ((gp_status1 >> 12) & 0xf);
  4883. link_up = gp_status1 & (1 << lane);
  4884. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4885. u16 pd, gp_status4;
  4886. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4887. /* Check Autoneg complete */
  4888. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4889. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4890. &gp_status4);
  4891. if (gp_status4 & ((1<<12)<<lane))
  4892. vars->link_status |=
  4893. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4894. /* Check parallel detect used */
  4895. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4896. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4897. &pd);
  4898. if (pd & (1<<15))
  4899. vars->link_status |=
  4900. LINK_STATUS_PARALLEL_DETECTION_USED;
  4901. }
  4902. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4903. }
  4904. }
  4905. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4906. SINGLE_MEDIA_DIRECT(params)) {
  4907. u16 val;
  4908. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4909. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4910. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4911. vars->link_status |=
  4912. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4913. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4914. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4915. vars->link_status |=
  4916. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4917. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4918. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4919. if (val & MDIO_OVER_1G_UP1_2_5G)
  4920. vars->link_status |=
  4921. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4922. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4923. vars->link_status |=
  4924. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4925. }
  4926. if (lane < 2) {
  4927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4928. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4929. } else {
  4930. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4931. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4932. }
  4933. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4934. if ((lane & 1) == 0)
  4935. gp_speed <<= 8;
  4936. gp_speed &= 0x3f00;
  4937. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4938. duplex);
  4939. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4940. vars->duplex, vars->flow_ctrl, vars->link_status);
  4941. return rc;
  4942. }
  4943. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4944. {
  4945. struct bnx2x *bp = params->bp;
  4946. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4947. u16 lp_up2;
  4948. u16 tx_driver;
  4949. u16 bank;
  4950. /* read precomp */
  4951. CL22_RD_OVER_CL45(bp, phy,
  4952. MDIO_REG_BANK_OVER_1G,
  4953. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4954. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4955. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4956. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4957. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4958. if (lp_up2 == 0)
  4959. return;
  4960. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4961. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4962. CL22_RD_OVER_CL45(bp, phy,
  4963. bank,
  4964. MDIO_TX0_TX_DRIVER, &tx_driver);
  4965. /* replace tx_driver bits [15:12] */
  4966. if (lp_up2 !=
  4967. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4968. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4969. tx_driver |= lp_up2;
  4970. CL22_WR_OVER_CL45(bp, phy,
  4971. bank,
  4972. MDIO_TX0_TX_DRIVER, tx_driver);
  4973. }
  4974. }
  4975. }
  4976. static int bnx2x_emac_program(struct link_params *params,
  4977. struct link_vars *vars)
  4978. {
  4979. struct bnx2x *bp = params->bp;
  4980. u8 port = params->port;
  4981. u16 mode = 0;
  4982. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4983. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4984. EMAC_REG_EMAC_MODE,
  4985. (EMAC_MODE_25G_MODE |
  4986. EMAC_MODE_PORT_MII_10M |
  4987. EMAC_MODE_HALF_DUPLEX));
  4988. switch (vars->line_speed) {
  4989. case SPEED_10:
  4990. mode |= EMAC_MODE_PORT_MII_10M;
  4991. break;
  4992. case SPEED_100:
  4993. mode |= EMAC_MODE_PORT_MII;
  4994. break;
  4995. case SPEED_1000:
  4996. mode |= EMAC_MODE_PORT_GMII;
  4997. break;
  4998. case SPEED_2500:
  4999. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5000. break;
  5001. default:
  5002. /* 10G not valid for EMAC */
  5003. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5004. vars->line_speed);
  5005. return -EINVAL;
  5006. }
  5007. if (vars->duplex == DUPLEX_HALF)
  5008. mode |= EMAC_MODE_HALF_DUPLEX;
  5009. bnx2x_bits_en(bp,
  5010. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5011. mode);
  5012. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5013. return 0;
  5014. }
  5015. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5016. struct link_params *params)
  5017. {
  5018. u16 bank, i = 0;
  5019. struct bnx2x *bp = params->bp;
  5020. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5021. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5022. CL22_WR_OVER_CL45(bp, phy,
  5023. bank,
  5024. MDIO_RX0_RX_EQ_BOOST,
  5025. phy->rx_preemphasis[i]);
  5026. }
  5027. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5028. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5029. CL22_WR_OVER_CL45(bp, phy,
  5030. bank,
  5031. MDIO_TX0_TX_DRIVER,
  5032. phy->tx_preemphasis[i]);
  5033. }
  5034. }
  5035. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5036. struct link_params *params,
  5037. struct link_vars *vars)
  5038. {
  5039. struct bnx2x *bp = params->bp;
  5040. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5041. (params->loopback_mode == LOOPBACK_XGXS));
  5042. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5043. if (SINGLE_MEDIA_DIRECT(params) &&
  5044. (params->feature_config_flags &
  5045. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5046. bnx2x_set_preemphasis(phy, params);
  5047. /* forced speed requested? */
  5048. if (vars->line_speed != SPEED_AUTO_NEG ||
  5049. (SINGLE_MEDIA_DIRECT(params) &&
  5050. params->loopback_mode == LOOPBACK_EXT)) {
  5051. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5052. /* disable autoneg */
  5053. bnx2x_set_autoneg(phy, params, vars, 0);
  5054. /* program speed and duplex */
  5055. bnx2x_program_serdes(phy, params, vars);
  5056. } else { /* AN_mode */
  5057. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5058. /* AN enabled */
  5059. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5060. /* program duplex & pause advertisement (for aneg) */
  5061. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5062. vars->ieee_fc);
  5063. /* enable autoneg */
  5064. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5065. /* enable and restart AN */
  5066. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5067. }
  5068. } else { /* SGMII mode */
  5069. DP(NETIF_MSG_LINK, "SGMII\n");
  5070. bnx2x_initialize_sgmii_process(phy, params, vars);
  5071. }
  5072. }
  5073. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5074. struct link_params *params,
  5075. struct link_vars *vars)
  5076. {
  5077. int rc;
  5078. vars->phy_flags |= PHY_XGXS_FLAG;
  5079. if ((phy->req_line_speed &&
  5080. ((phy->req_line_speed == SPEED_100) ||
  5081. (phy->req_line_speed == SPEED_10))) ||
  5082. (!phy->req_line_speed &&
  5083. (phy->speed_cap_mask >=
  5084. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5085. (phy->speed_cap_mask <
  5086. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5087. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5088. vars->phy_flags |= PHY_SGMII_FLAG;
  5089. else
  5090. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5091. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5092. bnx2x_set_aer_mmd(params, phy);
  5093. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5094. bnx2x_set_master_ln(params, phy);
  5095. rc = bnx2x_reset_unicore(params, phy, 0);
  5096. /* reset the SerDes and wait for reset bit return low */
  5097. if (rc != 0)
  5098. return rc;
  5099. bnx2x_set_aer_mmd(params, phy);
  5100. /* setting the masterLn_def again after the reset */
  5101. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5102. bnx2x_set_master_ln(params, phy);
  5103. bnx2x_set_swap_lanes(params, phy);
  5104. }
  5105. return rc;
  5106. }
  5107. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5108. struct bnx2x_phy *phy,
  5109. struct link_params *params)
  5110. {
  5111. u16 cnt, ctrl;
  5112. /* Wait for soft reset to get cleared up to 1 sec */
  5113. for (cnt = 0; cnt < 1000; cnt++) {
  5114. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5115. bnx2x_cl22_read(bp, phy,
  5116. MDIO_PMA_REG_CTRL, &ctrl);
  5117. else
  5118. bnx2x_cl45_read(bp, phy,
  5119. MDIO_PMA_DEVAD,
  5120. MDIO_PMA_REG_CTRL, &ctrl);
  5121. if (!(ctrl & (1<<15)))
  5122. break;
  5123. msleep(1);
  5124. }
  5125. if (cnt == 1000)
  5126. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5127. " Port %d\n",
  5128. params->port);
  5129. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5130. return cnt;
  5131. }
  5132. static void bnx2x_link_int_enable(struct link_params *params)
  5133. {
  5134. u8 port = params->port;
  5135. u32 mask;
  5136. struct bnx2x *bp = params->bp;
  5137. /* Setting the status to report on link up for either XGXS or SerDes */
  5138. if (CHIP_IS_E3(bp)) {
  5139. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5140. if (!(SINGLE_MEDIA_DIRECT(params)))
  5141. mask |= NIG_MASK_MI_INT;
  5142. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5143. mask = (NIG_MASK_XGXS0_LINK10G |
  5144. NIG_MASK_XGXS0_LINK_STATUS);
  5145. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5146. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5147. params->phy[INT_PHY].type !=
  5148. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5149. mask |= NIG_MASK_MI_INT;
  5150. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5151. }
  5152. } else { /* SerDes */
  5153. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5154. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5155. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5156. params->phy[INT_PHY].type !=
  5157. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5158. mask |= NIG_MASK_MI_INT;
  5159. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5160. }
  5161. }
  5162. bnx2x_bits_en(bp,
  5163. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5164. mask);
  5165. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5166. (params->switch_cfg == SWITCH_CFG_10G),
  5167. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5168. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5169. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5170. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5171. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5172. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5173. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5174. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5175. }
  5176. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5177. u8 exp_mi_int)
  5178. {
  5179. u32 latch_status = 0;
  5180. /*
  5181. * Disable the MI INT ( external phy int ) by writing 1 to the
  5182. * status register. Link down indication is high-active-signal,
  5183. * so in this case we need to write the status to clear the XOR
  5184. */
  5185. /* Read Latched signals */
  5186. latch_status = REG_RD(bp,
  5187. NIG_REG_LATCH_STATUS_0 + port*8);
  5188. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5189. /* Handle only those with latched-signal=up.*/
  5190. if (exp_mi_int)
  5191. bnx2x_bits_en(bp,
  5192. NIG_REG_STATUS_INTERRUPT_PORT0
  5193. + port*4,
  5194. NIG_STATUS_EMAC0_MI_INT);
  5195. else
  5196. bnx2x_bits_dis(bp,
  5197. NIG_REG_STATUS_INTERRUPT_PORT0
  5198. + port*4,
  5199. NIG_STATUS_EMAC0_MI_INT);
  5200. if (latch_status & 1) {
  5201. /* For all latched-signal=up : Re-Arm Latch signals */
  5202. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5203. (latch_status & 0xfffe) | (latch_status & 1));
  5204. }
  5205. /* For all latched-signal=up,Write original_signal to status */
  5206. }
  5207. static void bnx2x_link_int_ack(struct link_params *params,
  5208. struct link_vars *vars, u8 is_10g_plus)
  5209. {
  5210. struct bnx2x *bp = params->bp;
  5211. u8 port = params->port;
  5212. u32 mask;
  5213. /*
  5214. * First reset all status we assume only one line will be
  5215. * change at a time
  5216. */
  5217. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5218. (NIG_STATUS_XGXS0_LINK10G |
  5219. NIG_STATUS_XGXS0_LINK_STATUS |
  5220. NIG_STATUS_SERDES0_LINK_STATUS));
  5221. if (vars->phy_link_up) {
  5222. if (USES_WARPCORE(bp))
  5223. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5224. else {
  5225. if (is_10g_plus)
  5226. mask = NIG_STATUS_XGXS0_LINK10G;
  5227. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5228. /*
  5229. * Disable the link interrupt by writing 1 to
  5230. * the relevant lane in the status register
  5231. */
  5232. u32 ser_lane =
  5233. ((params->lane_config &
  5234. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5235. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5236. mask = ((1 << ser_lane) <<
  5237. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5238. } else
  5239. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5240. }
  5241. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5242. mask);
  5243. bnx2x_bits_en(bp,
  5244. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5245. mask);
  5246. }
  5247. }
  5248. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5249. {
  5250. u8 *str_ptr = str;
  5251. u32 mask = 0xf0000000;
  5252. u8 shift = 8*4;
  5253. u8 digit;
  5254. u8 remove_leading_zeros = 1;
  5255. if (*len < 10) {
  5256. /* Need more than 10chars for this format */
  5257. *str_ptr = '\0';
  5258. (*len)--;
  5259. return -EINVAL;
  5260. }
  5261. while (shift > 0) {
  5262. shift -= 4;
  5263. digit = ((num & mask) >> shift);
  5264. if (digit == 0 && remove_leading_zeros) {
  5265. mask = mask >> 4;
  5266. continue;
  5267. } else if (digit < 0xa)
  5268. *str_ptr = digit + '0';
  5269. else
  5270. *str_ptr = digit - 0xa + 'a';
  5271. remove_leading_zeros = 0;
  5272. str_ptr++;
  5273. (*len)--;
  5274. mask = mask >> 4;
  5275. if (shift == 4*4) {
  5276. *str_ptr = '.';
  5277. str_ptr++;
  5278. (*len)--;
  5279. remove_leading_zeros = 1;
  5280. }
  5281. }
  5282. return 0;
  5283. }
  5284. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5285. {
  5286. str[0] = '\0';
  5287. (*len)--;
  5288. return 0;
  5289. }
  5290. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5291. u16 len)
  5292. {
  5293. struct bnx2x *bp;
  5294. u32 spirom_ver = 0;
  5295. int status = 0;
  5296. u8 *ver_p = version;
  5297. u16 remain_len = len;
  5298. if (version == NULL || params == NULL)
  5299. return -EINVAL;
  5300. bp = params->bp;
  5301. /* Extract first external phy*/
  5302. version[0] = '\0';
  5303. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5304. if (params->phy[EXT_PHY1].format_fw_ver) {
  5305. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5306. ver_p,
  5307. &remain_len);
  5308. ver_p += (len - remain_len);
  5309. }
  5310. if ((params->num_phys == MAX_PHYS) &&
  5311. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5312. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5313. if (params->phy[EXT_PHY2].format_fw_ver) {
  5314. *ver_p = '/';
  5315. ver_p++;
  5316. remain_len--;
  5317. status |= params->phy[EXT_PHY2].format_fw_ver(
  5318. spirom_ver,
  5319. ver_p,
  5320. &remain_len);
  5321. ver_p = version + (len - remain_len);
  5322. }
  5323. }
  5324. *ver_p = '\0';
  5325. return status;
  5326. }
  5327. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5328. struct link_params *params)
  5329. {
  5330. u8 port = params->port;
  5331. struct bnx2x *bp = params->bp;
  5332. if (phy->req_line_speed != SPEED_1000) {
  5333. u32 md_devad = 0;
  5334. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5335. if (!CHIP_IS_E3(bp)) {
  5336. /* change the uni_phy_addr in the nig */
  5337. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5338. port*0x18));
  5339. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5340. 0x5);
  5341. }
  5342. bnx2x_cl45_write(bp, phy,
  5343. 5,
  5344. (MDIO_REG_BANK_AER_BLOCK +
  5345. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5346. 0x2800);
  5347. bnx2x_cl45_write(bp, phy,
  5348. 5,
  5349. (MDIO_REG_BANK_CL73_IEEEB0 +
  5350. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5351. 0x6041);
  5352. msleep(200);
  5353. /* set aer mmd back */
  5354. bnx2x_set_aer_mmd(params, phy);
  5355. if (!CHIP_IS_E3(bp)) {
  5356. /* and md_devad */
  5357. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5358. md_devad);
  5359. }
  5360. } else {
  5361. u16 mii_ctrl;
  5362. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5363. bnx2x_cl45_read(bp, phy, 5,
  5364. (MDIO_REG_BANK_COMBO_IEEE0 +
  5365. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5366. &mii_ctrl);
  5367. bnx2x_cl45_write(bp, phy, 5,
  5368. (MDIO_REG_BANK_COMBO_IEEE0 +
  5369. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5370. mii_ctrl |
  5371. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5372. }
  5373. }
  5374. int bnx2x_set_led(struct link_params *params,
  5375. struct link_vars *vars, u8 mode, u32 speed)
  5376. {
  5377. u8 port = params->port;
  5378. u16 hw_led_mode = params->hw_led_mode;
  5379. int rc = 0;
  5380. u8 phy_idx;
  5381. u32 tmp;
  5382. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5383. struct bnx2x *bp = params->bp;
  5384. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5385. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5386. speed, hw_led_mode);
  5387. /* In case */
  5388. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5389. if (params->phy[phy_idx].set_link_led) {
  5390. params->phy[phy_idx].set_link_led(
  5391. &params->phy[phy_idx], params, mode);
  5392. }
  5393. }
  5394. switch (mode) {
  5395. case LED_MODE_FRONT_PANEL_OFF:
  5396. case LED_MODE_OFF:
  5397. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5398. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5399. SHARED_HW_CFG_LED_MAC1);
  5400. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5401. if (params->phy[EXT_PHY1].type ==
  5402. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5403. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5404. else {
  5405. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5406. (tmp | EMAC_LED_OVERRIDE));
  5407. }
  5408. break;
  5409. case LED_MODE_OPER:
  5410. /*
  5411. * For all other phys, OPER mode is same as ON, so in case
  5412. * link is down, do nothing
  5413. */
  5414. if (!vars->link_up)
  5415. break;
  5416. case LED_MODE_ON:
  5417. if (((params->phy[EXT_PHY1].type ==
  5418. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5419. (params->phy[EXT_PHY1].type ==
  5420. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5421. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5422. /*
  5423. * This is a work-around for E2+8727 Configurations
  5424. */
  5425. if (mode == LED_MODE_ON ||
  5426. speed == SPEED_10000){
  5427. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5428. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5429. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5430. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5431. (tmp | EMAC_LED_OVERRIDE));
  5432. /*
  5433. * return here without enabling traffic
  5434. * LED blink and setting rate in ON mode.
  5435. * In oper mode, enabling LED blink
  5436. * and setting rate is needed.
  5437. */
  5438. if (mode == LED_MODE_ON)
  5439. return rc;
  5440. }
  5441. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5442. /*
  5443. * This is a work-around for HW issue found when link
  5444. * is up in CL73
  5445. */
  5446. if ((!CHIP_IS_E3(bp)) ||
  5447. (CHIP_IS_E3(bp) &&
  5448. mode == LED_MODE_ON))
  5449. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5450. if (CHIP_IS_E1x(bp) ||
  5451. CHIP_IS_E2(bp) ||
  5452. (mode == LED_MODE_ON))
  5453. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5454. else
  5455. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5456. hw_led_mode);
  5457. } else if ((params->phy[EXT_PHY1].type ==
  5458. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5459. (mode != LED_MODE_OPER)) {
  5460. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5461. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5462. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5463. } else
  5464. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5465. hw_led_mode);
  5466. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5467. /* Set blinking rate to ~15.9Hz */
  5468. if (CHIP_IS_E3(bp))
  5469. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5470. LED_BLINK_RATE_VAL_E3);
  5471. else
  5472. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5473. LED_BLINK_RATE_VAL_E1X_E2);
  5474. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5475. port*4, 1);
  5476. if ((params->phy[EXT_PHY1].type !=
  5477. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5478. (mode != LED_MODE_OPER)) {
  5479. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5480. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5481. (tmp & (~EMAC_LED_OVERRIDE)));
  5482. }
  5483. if (CHIP_IS_E1(bp) &&
  5484. ((speed == SPEED_2500) ||
  5485. (speed == SPEED_1000) ||
  5486. (speed == SPEED_100) ||
  5487. (speed == SPEED_10))) {
  5488. /*
  5489. * On Everest 1 Ax chip versions for speeds less than
  5490. * 10G LED scheme is different
  5491. */
  5492. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5493. + port*4, 1);
  5494. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5495. port*4, 0);
  5496. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5497. port*4, 1);
  5498. }
  5499. break;
  5500. default:
  5501. rc = -EINVAL;
  5502. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5503. mode);
  5504. break;
  5505. }
  5506. return rc;
  5507. }
  5508. /*
  5509. * This function comes to reflect the actual link state read DIRECTLY from the
  5510. * HW
  5511. */
  5512. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5513. u8 is_serdes)
  5514. {
  5515. struct bnx2x *bp = params->bp;
  5516. u16 gp_status = 0, phy_index = 0;
  5517. u8 ext_phy_link_up = 0, serdes_phy_type;
  5518. struct link_vars temp_vars;
  5519. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5520. if (CHIP_IS_E3(bp)) {
  5521. u16 link_up;
  5522. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5523. > SPEED_10000) {
  5524. /* Check 20G link */
  5525. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5526. 1, &link_up);
  5527. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5528. 1, &link_up);
  5529. link_up &= (1<<2);
  5530. } else {
  5531. /* Check 10G link and below*/
  5532. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5533. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5534. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5535. &gp_status);
  5536. gp_status = ((gp_status >> 8) & 0xf) |
  5537. ((gp_status >> 12) & 0xf);
  5538. link_up = gp_status & (1 << lane);
  5539. }
  5540. if (!link_up)
  5541. return -ESRCH;
  5542. } else {
  5543. CL22_RD_OVER_CL45(bp, int_phy,
  5544. MDIO_REG_BANK_GP_STATUS,
  5545. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5546. &gp_status);
  5547. /* link is up only if both local phy and external phy are up */
  5548. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5549. return -ESRCH;
  5550. }
  5551. /* In XGXS loopback mode, do not check external PHY */
  5552. if (params->loopback_mode == LOOPBACK_XGXS)
  5553. return 0;
  5554. switch (params->num_phys) {
  5555. case 1:
  5556. /* No external PHY */
  5557. return 0;
  5558. case 2:
  5559. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5560. &params->phy[EXT_PHY1],
  5561. params, &temp_vars);
  5562. break;
  5563. case 3: /* Dual Media */
  5564. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5565. phy_index++) {
  5566. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5567. ETH_PHY_SFP_FIBER) ||
  5568. (params->phy[phy_index].media_type ==
  5569. ETH_PHY_XFP_FIBER) ||
  5570. (params->phy[phy_index].media_type ==
  5571. ETH_PHY_DA_TWINAX));
  5572. if (is_serdes != serdes_phy_type)
  5573. continue;
  5574. if (params->phy[phy_index].read_status) {
  5575. ext_phy_link_up |=
  5576. params->phy[phy_index].read_status(
  5577. &params->phy[phy_index],
  5578. params, &temp_vars);
  5579. }
  5580. }
  5581. break;
  5582. }
  5583. if (ext_phy_link_up)
  5584. return 0;
  5585. return -ESRCH;
  5586. }
  5587. static int bnx2x_link_initialize(struct link_params *params,
  5588. struct link_vars *vars)
  5589. {
  5590. int rc = 0;
  5591. u8 phy_index, non_ext_phy;
  5592. struct bnx2x *bp = params->bp;
  5593. /*
  5594. * In case of external phy existence, the line speed would be the
  5595. * line speed linked up by the external phy. In case it is direct
  5596. * only, then the line_speed during initialization will be
  5597. * equal to the req_line_speed
  5598. */
  5599. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5600. /*
  5601. * Initialize the internal phy in case this is a direct board
  5602. * (no external phys), or this board has external phy which requires
  5603. * to first.
  5604. */
  5605. if (!USES_WARPCORE(bp))
  5606. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5607. /* init ext phy and enable link state int */
  5608. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5609. (params->loopback_mode == LOOPBACK_XGXS));
  5610. if (non_ext_phy ||
  5611. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5612. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5613. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5614. if (vars->line_speed == SPEED_AUTO_NEG &&
  5615. (CHIP_IS_E1x(bp) ||
  5616. CHIP_IS_E2(bp)))
  5617. bnx2x_set_parallel_detection(phy, params);
  5618. if (params->phy[INT_PHY].config_init)
  5619. params->phy[INT_PHY].config_init(phy,
  5620. params,
  5621. vars);
  5622. }
  5623. /* Init external phy*/
  5624. if (non_ext_phy) {
  5625. if (params->phy[INT_PHY].supported &
  5626. SUPPORTED_FIBRE)
  5627. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5628. } else {
  5629. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5630. phy_index++) {
  5631. /*
  5632. * No need to initialize second phy in case of first
  5633. * phy only selection. In case of second phy, we do
  5634. * need to initialize the first phy, since they are
  5635. * connected.
  5636. */
  5637. if (params->phy[phy_index].supported &
  5638. SUPPORTED_FIBRE)
  5639. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5640. if (phy_index == EXT_PHY2 &&
  5641. (bnx2x_phy_selection(params) ==
  5642. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5643. DP(NETIF_MSG_LINK,
  5644. "Not initializing second phy\n");
  5645. continue;
  5646. }
  5647. params->phy[phy_index].config_init(
  5648. &params->phy[phy_index],
  5649. params, vars);
  5650. }
  5651. }
  5652. /* Reset the interrupt indication after phy was initialized */
  5653. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5654. params->port*4,
  5655. (NIG_STATUS_XGXS0_LINK10G |
  5656. NIG_STATUS_XGXS0_LINK_STATUS |
  5657. NIG_STATUS_SERDES0_LINK_STATUS |
  5658. NIG_MASK_MI_INT));
  5659. bnx2x_update_mng(params, vars->link_status);
  5660. return rc;
  5661. }
  5662. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5663. struct link_params *params)
  5664. {
  5665. /* reset the SerDes/XGXS */
  5666. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5667. (0x1ff << (params->port*16)));
  5668. }
  5669. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5670. struct link_params *params)
  5671. {
  5672. struct bnx2x *bp = params->bp;
  5673. u8 gpio_port;
  5674. /* HW reset */
  5675. if (CHIP_IS_E2(bp))
  5676. gpio_port = BP_PATH(bp);
  5677. else
  5678. gpio_port = params->port;
  5679. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5680. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5681. gpio_port);
  5682. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5683. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5684. gpio_port);
  5685. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5686. }
  5687. static int bnx2x_update_link_down(struct link_params *params,
  5688. struct link_vars *vars)
  5689. {
  5690. struct bnx2x *bp = params->bp;
  5691. u8 port = params->port;
  5692. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5693. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5694. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5695. /* indicate no mac active */
  5696. vars->mac_type = MAC_TYPE_NONE;
  5697. /* update shared memory */
  5698. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5699. LINK_STATUS_LINK_UP |
  5700. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5701. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5702. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5703. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5704. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5705. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5706. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5707. vars->line_speed = 0;
  5708. bnx2x_update_mng(params, vars->link_status);
  5709. /* activate nig drain */
  5710. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5711. /* disable emac */
  5712. if (!CHIP_IS_E3(bp))
  5713. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5714. msleep(10);
  5715. /* reset BigMac/Xmac */
  5716. if (CHIP_IS_E1x(bp) ||
  5717. CHIP_IS_E2(bp)) {
  5718. bnx2x_bmac_rx_disable(bp, params->port);
  5719. REG_WR(bp, GRCBASE_MISC +
  5720. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5721. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5722. }
  5723. if (CHIP_IS_E3(bp)) {
  5724. bnx2x_xmac_disable(params);
  5725. bnx2x_umac_disable(params);
  5726. }
  5727. return 0;
  5728. }
  5729. static int bnx2x_update_link_up(struct link_params *params,
  5730. struct link_vars *vars,
  5731. u8 link_10g)
  5732. {
  5733. struct bnx2x *bp = params->bp;
  5734. u8 port = params->port;
  5735. int rc = 0;
  5736. vars->link_status |= (LINK_STATUS_LINK_UP |
  5737. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5738. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5739. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5740. vars->link_status |=
  5741. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5742. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5743. vars->link_status |=
  5744. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5745. if (USES_WARPCORE(bp)) {
  5746. if (link_10g) {
  5747. if (bnx2x_xmac_enable(params, vars, 0) ==
  5748. -ESRCH) {
  5749. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5750. vars->link_up = 0;
  5751. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5752. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5753. }
  5754. } else
  5755. bnx2x_umac_enable(params, vars, 0);
  5756. bnx2x_set_led(params, vars,
  5757. LED_MODE_OPER, vars->line_speed);
  5758. }
  5759. if ((CHIP_IS_E1x(bp) ||
  5760. CHIP_IS_E2(bp))) {
  5761. if (link_10g) {
  5762. if (bnx2x_bmac_enable(params, vars, 0) ==
  5763. -ESRCH) {
  5764. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5765. vars->link_up = 0;
  5766. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5767. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5768. }
  5769. bnx2x_set_led(params, vars,
  5770. LED_MODE_OPER, SPEED_10000);
  5771. } else {
  5772. rc = bnx2x_emac_program(params, vars);
  5773. bnx2x_emac_enable(params, vars, 0);
  5774. /* AN complete? */
  5775. if ((vars->link_status &
  5776. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5777. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5778. SINGLE_MEDIA_DIRECT(params))
  5779. bnx2x_set_gmii_tx_driver(params);
  5780. }
  5781. }
  5782. /* PBF - link up */
  5783. if (CHIP_IS_E1x(bp))
  5784. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5785. vars->line_speed);
  5786. /* disable drain */
  5787. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5788. /* update shared memory */
  5789. bnx2x_update_mng(params, vars->link_status);
  5790. msleep(20);
  5791. return rc;
  5792. }
  5793. /*
  5794. * The bnx2x_link_update function should be called upon link
  5795. * interrupt.
  5796. * Link is considered up as follows:
  5797. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5798. * to be up
  5799. * - SINGLE_MEDIA - The link between the 577xx and the external
  5800. * phy (XGXS) need to up as well as the external link of the
  5801. * phy (PHY_EXT1)
  5802. * - DUAL_MEDIA - The link between the 577xx and the first
  5803. * external phy needs to be up, and at least one of the 2
  5804. * external phy link must be up.
  5805. */
  5806. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5807. {
  5808. struct bnx2x *bp = params->bp;
  5809. struct link_vars phy_vars[MAX_PHYS];
  5810. u8 port = params->port;
  5811. u8 link_10g_plus, phy_index;
  5812. u8 ext_phy_link_up = 0, cur_link_up;
  5813. int rc = 0;
  5814. u8 is_mi_int = 0;
  5815. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5816. u8 active_external_phy = INT_PHY;
  5817. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5818. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5819. phy_index++) {
  5820. phy_vars[phy_index].flow_ctrl = 0;
  5821. phy_vars[phy_index].link_status = 0;
  5822. phy_vars[phy_index].line_speed = 0;
  5823. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5824. phy_vars[phy_index].phy_link_up = 0;
  5825. phy_vars[phy_index].link_up = 0;
  5826. phy_vars[phy_index].fault_detected = 0;
  5827. }
  5828. if (USES_WARPCORE(bp))
  5829. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5830. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5831. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5832. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5833. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5834. port*0x18) > 0);
  5835. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5836. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5837. is_mi_int,
  5838. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5839. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5840. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5841. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5842. /* disable emac */
  5843. if (!CHIP_IS_E3(bp))
  5844. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5845. /*
  5846. * Step 1:
  5847. * Check external link change only for external phys, and apply
  5848. * priority selection between them in case the link on both phys
  5849. * is up. Note that instead of the common vars, a temporary
  5850. * vars argument is used since each phy may have different link/
  5851. * speed/duplex result
  5852. */
  5853. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5854. phy_index++) {
  5855. struct bnx2x_phy *phy = &params->phy[phy_index];
  5856. if (!phy->read_status)
  5857. continue;
  5858. /* Read link status and params of this ext phy */
  5859. cur_link_up = phy->read_status(phy, params,
  5860. &phy_vars[phy_index]);
  5861. if (cur_link_up) {
  5862. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5863. phy_index);
  5864. } else {
  5865. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5866. phy_index);
  5867. continue;
  5868. }
  5869. if (!ext_phy_link_up) {
  5870. ext_phy_link_up = 1;
  5871. active_external_phy = phy_index;
  5872. } else {
  5873. switch (bnx2x_phy_selection(params)) {
  5874. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5875. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5876. /*
  5877. * In this option, the first PHY makes sure to pass the
  5878. * traffic through itself only.
  5879. * Its not clear how to reset the link on the second phy
  5880. */
  5881. active_external_phy = EXT_PHY1;
  5882. break;
  5883. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5884. /*
  5885. * In this option, the first PHY makes sure to pass the
  5886. * traffic through the second PHY.
  5887. */
  5888. active_external_phy = EXT_PHY2;
  5889. break;
  5890. default:
  5891. /*
  5892. * Link indication on both PHYs with the following cases
  5893. * is invalid:
  5894. * - FIRST_PHY means that second phy wasn't initialized,
  5895. * hence its link is expected to be down
  5896. * - SECOND_PHY means that first phy should not be able
  5897. * to link up by itself (using configuration)
  5898. * - DEFAULT should be overriden during initialiazation
  5899. */
  5900. DP(NETIF_MSG_LINK, "Invalid link indication"
  5901. "mpc=0x%x. DISABLING LINK !!!\n",
  5902. params->multi_phy_config);
  5903. ext_phy_link_up = 0;
  5904. break;
  5905. }
  5906. }
  5907. }
  5908. prev_line_speed = vars->line_speed;
  5909. /*
  5910. * Step 2:
  5911. * Read the status of the internal phy. In case of
  5912. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5913. * otherwise this is the link between the 577xx and the first
  5914. * external phy
  5915. */
  5916. if (params->phy[INT_PHY].read_status)
  5917. params->phy[INT_PHY].read_status(
  5918. &params->phy[INT_PHY],
  5919. params, vars);
  5920. /*
  5921. * The INT_PHY flow control reside in the vars. This include the
  5922. * case where the speed or flow control are not set to AUTO.
  5923. * Otherwise, the active external phy flow control result is set
  5924. * to the vars. The ext_phy_line_speed is needed to check if the
  5925. * speed is different between the internal phy and external phy.
  5926. * This case may be result of intermediate link speed change.
  5927. */
  5928. if (active_external_phy > INT_PHY) {
  5929. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5930. /*
  5931. * Link speed is taken from the XGXS. AN and FC result from
  5932. * the external phy.
  5933. */
  5934. vars->link_status |= phy_vars[active_external_phy].link_status;
  5935. /*
  5936. * if active_external_phy is first PHY and link is up - disable
  5937. * disable TX on second external PHY
  5938. */
  5939. if (active_external_phy == EXT_PHY1) {
  5940. if (params->phy[EXT_PHY2].phy_specific_func) {
  5941. DP(NETIF_MSG_LINK,
  5942. "Disabling TX on EXT_PHY2\n");
  5943. params->phy[EXT_PHY2].phy_specific_func(
  5944. &params->phy[EXT_PHY2],
  5945. params, DISABLE_TX);
  5946. }
  5947. }
  5948. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5949. vars->duplex = phy_vars[active_external_phy].duplex;
  5950. if (params->phy[active_external_phy].supported &
  5951. SUPPORTED_FIBRE)
  5952. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5953. else
  5954. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5955. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5956. active_external_phy);
  5957. }
  5958. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5959. phy_index++) {
  5960. if (params->phy[phy_index].flags &
  5961. FLAGS_REARM_LATCH_SIGNAL) {
  5962. bnx2x_rearm_latch_signal(bp, port,
  5963. phy_index ==
  5964. active_external_phy);
  5965. break;
  5966. }
  5967. }
  5968. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5969. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5970. vars->link_status, ext_phy_line_speed);
  5971. /*
  5972. * Upon link speed change set the NIG into drain mode. Comes to
  5973. * deals with possible FIFO glitch due to clk change when speed
  5974. * is decreased without link down indicator
  5975. */
  5976. if (vars->phy_link_up) {
  5977. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5978. (ext_phy_line_speed != vars->line_speed)) {
  5979. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5980. " different than the external"
  5981. " link speed %d\n", vars->line_speed,
  5982. ext_phy_line_speed);
  5983. vars->phy_link_up = 0;
  5984. } else if (prev_line_speed != vars->line_speed) {
  5985. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5986. 0);
  5987. msleep(1);
  5988. }
  5989. }
  5990. /* anything 10 and over uses the bmac */
  5991. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5992. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5993. /*
  5994. * In case external phy link is up, and internal link is down
  5995. * (not initialized yet probably after link initialization, it
  5996. * needs to be initialized.
  5997. * Note that after link down-up as result of cable plug, the xgxs
  5998. * link would probably become up again without the need
  5999. * initialize it
  6000. */
  6001. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6002. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6003. " init_preceding = %d\n", ext_phy_link_up,
  6004. vars->phy_link_up,
  6005. params->phy[EXT_PHY1].flags &
  6006. FLAGS_INIT_XGXS_FIRST);
  6007. if (!(params->phy[EXT_PHY1].flags &
  6008. FLAGS_INIT_XGXS_FIRST)
  6009. && ext_phy_link_up && !vars->phy_link_up) {
  6010. vars->line_speed = ext_phy_line_speed;
  6011. if (vars->line_speed < SPEED_1000)
  6012. vars->phy_flags |= PHY_SGMII_FLAG;
  6013. else
  6014. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6015. if (params->phy[INT_PHY].config_init)
  6016. params->phy[INT_PHY].config_init(
  6017. &params->phy[INT_PHY], params,
  6018. vars);
  6019. }
  6020. }
  6021. /*
  6022. * Link is up only if both local phy and external phy (in case of
  6023. * non-direct board) are up and no fault detected on active PHY.
  6024. */
  6025. vars->link_up = (vars->phy_link_up &&
  6026. (ext_phy_link_up ||
  6027. SINGLE_MEDIA_DIRECT(params)) &&
  6028. (phy_vars[active_external_phy].fault_detected == 0));
  6029. if (vars->link_up)
  6030. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6031. else
  6032. rc = bnx2x_update_link_down(params, vars);
  6033. return rc;
  6034. }
  6035. /*****************************************************************************/
  6036. /* External Phy section */
  6037. /*****************************************************************************/
  6038. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6039. {
  6040. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6041. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6042. msleep(1);
  6043. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6044. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6045. }
  6046. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6047. u32 spirom_ver, u32 ver_addr)
  6048. {
  6049. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6050. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6051. if (ver_addr)
  6052. REG_WR(bp, ver_addr, spirom_ver);
  6053. }
  6054. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6055. struct bnx2x_phy *phy,
  6056. u8 port)
  6057. {
  6058. u16 fw_ver1, fw_ver2;
  6059. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6060. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6061. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6062. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6063. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6064. phy->ver_addr);
  6065. }
  6066. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6067. struct bnx2x_phy *phy,
  6068. struct link_vars *vars)
  6069. {
  6070. u16 val;
  6071. bnx2x_cl45_read(bp, phy,
  6072. MDIO_AN_DEVAD,
  6073. MDIO_AN_REG_STATUS, &val);
  6074. bnx2x_cl45_read(bp, phy,
  6075. MDIO_AN_DEVAD,
  6076. MDIO_AN_REG_STATUS, &val);
  6077. if (val & (1<<5))
  6078. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6079. if ((val & (1<<0)) == 0)
  6080. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6081. }
  6082. /******************************************************************/
  6083. /* common BCM8073/BCM8727 PHY SECTION */
  6084. /******************************************************************/
  6085. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6086. struct link_params *params,
  6087. struct link_vars *vars)
  6088. {
  6089. struct bnx2x *bp = params->bp;
  6090. if (phy->req_line_speed == SPEED_10 ||
  6091. phy->req_line_speed == SPEED_100) {
  6092. vars->flow_ctrl = phy->req_flow_ctrl;
  6093. return;
  6094. }
  6095. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6096. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6097. u16 pause_result;
  6098. u16 ld_pause; /* local */
  6099. u16 lp_pause; /* link partner */
  6100. bnx2x_cl45_read(bp, phy,
  6101. MDIO_AN_DEVAD,
  6102. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6103. bnx2x_cl45_read(bp, phy,
  6104. MDIO_AN_DEVAD,
  6105. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6106. pause_result = (ld_pause &
  6107. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6108. pause_result |= (lp_pause &
  6109. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6110. bnx2x_pause_resolve(vars, pause_result);
  6111. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6112. pause_result);
  6113. }
  6114. }
  6115. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6116. struct bnx2x_phy *phy,
  6117. u8 port)
  6118. {
  6119. u32 count = 0;
  6120. u16 fw_ver1, fw_msgout;
  6121. int rc = 0;
  6122. /* Boot port from external ROM */
  6123. /* EDC grst */
  6124. bnx2x_cl45_write(bp, phy,
  6125. MDIO_PMA_DEVAD,
  6126. MDIO_PMA_REG_GEN_CTRL,
  6127. 0x0001);
  6128. /* ucode reboot and rst */
  6129. bnx2x_cl45_write(bp, phy,
  6130. MDIO_PMA_DEVAD,
  6131. MDIO_PMA_REG_GEN_CTRL,
  6132. 0x008c);
  6133. bnx2x_cl45_write(bp, phy,
  6134. MDIO_PMA_DEVAD,
  6135. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6136. /* Reset internal microprocessor */
  6137. bnx2x_cl45_write(bp, phy,
  6138. MDIO_PMA_DEVAD,
  6139. MDIO_PMA_REG_GEN_CTRL,
  6140. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6141. /* Release srst bit */
  6142. bnx2x_cl45_write(bp, phy,
  6143. MDIO_PMA_DEVAD,
  6144. MDIO_PMA_REG_GEN_CTRL,
  6145. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6146. /* Delay 100ms per the PHY specifications */
  6147. msleep(100);
  6148. /* 8073 sometimes taking longer to download */
  6149. do {
  6150. count++;
  6151. if (count > 300) {
  6152. DP(NETIF_MSG_LINK,
  6153. "bnx2x_8073_8727_external_rom_boot port %x:"
  6154. "Download failed. fw version = 0x%x\n",
  6155. port, fw_ver1);
  6156. rc = -EINVAL;
  6157. break;
  6158. }
  6159. bnx2x_cl45_read(bp, phy,
  6160. MDIO_PMA_DEVAD,
  6161. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6162. bnx2x_cl45_read(bp, phy,
  6163. MDIO_PMA_DEVAD,
  6164. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6165. msleep(1);
  6166. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6167. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6168. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6169. /* Clear ser_boot_ctl bit */
  6170. bnx2x_cl45_write(bp, phy,
  6171. MDIO_PMA_DEVAD,
  6172. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6173. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6174. DP(NETIF_MSG_LINK,
  6175. "bnx2x_8073_8727_external_rom_boot port %x:"
  6176. "Download complete. fw version = 0x%x\n",
  6177. port, fw_ver1);
  6178. return rc;
  6179. }
  6180. /******************************************************************/
  6181. /* BCM8073 PHY SECTION */
  6182. /******************************************************************/
  6183. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6184. {
  6185. /* This is only required for 8073A1, version 102 only */
  6186. u16 val;
  6187. /* Read 8073 HW revision*/
  6188. bnx2x_cl45_read(bp, phy,
  6189. MDIO_PMA_DEVAD,
  6190. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6191. if (val != 1) {
  6192. /* No need to workaround in 8073 A1 */
  6193. return 0;
  6194. }
  6195. bnx2x_cl45_read(bp, phy,
  6196. MDIO_PMA_DEVAD,
  6197. MDIO_PMA_REG_ROM_VER2, &val);
  6198. /* SNR should be applied only for version 0x102 */
  6199. if (val != 0x102)
  6200. return 0;
  6201. return 1;
  6202. }
  6203. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6204. {
  6205. u16 val, cnt, cnt1 ;
  6206. bnx2x_cl45_read(bp, phy,
  6207. MDIO_PMA_DEVAD,
  6208. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6209. if (val > 0) {
  6210. /* No need to workaround in 8073 A1 */
  6211. return 0;
  6212. }
  6213. /* XAUI workaround in 8073 A0: */
  6214. /*
  6215. * After loading the boot ROM and restarting Autoneg, poll
  6216. * Dev1, Reg $C820:
  6217. */
  6218. for (cnt = 0; cnt < 1000; cnt++) {
  6219. bnx2x_cl45_read(bp, phy,
  6220. MDIO_PMA_DEVAD,
  6221. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6222. &val);
  6223. /*
  6224. * If bit [14] = 0 or bit [13] = 0, continue on with
  6225. * system initialization (XAUI work-around not required, as
  6226. * these bits indicate 2.5G or 1G link up).
  6227. */
  6228. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6229. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6230. return 0;
  6231. } else if (!(val & (1<<15))) {
  6232. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6233. /*
  6234. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6235. * MSB (bit15) goes to 1 (indicating that the XAUI
  6236. * workaround has completed), then continue on with
  6237. * system initialization.
  6238. */
  6239. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6240. bnx2x_cl45_read(bp, phy,
  6241. MDIO_PMA_DEVAD,
  6242. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6243. if (val & (1<<15)) {
  6244. DP(NETIF_MSG_LINK,
  6245. "XAUI workaround has completed\n");
  6246. return 0;
  6247. }
  6248. msleep(3);
  6249. }
  6250. break;
  6251. }
  6252. msleep(3);
  6253. }
  6254. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6255. return -EINVAL;
  6256. }
  6257. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6258. {
  6259. /* Force KR or KX */
  6260. bnx2x_cl45_write(bp, phy,
  6261. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6262. bnx2x_cl45_write(bp, phy,
  6263. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6264. bnx2x_cl45_write(bp, phy,
  6265. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6266. bnx2x_cl45_write(bp, phy,
  6267. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6268. }
  6269. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6270. struct bnx2x_phy *phy,
  6271. struct link_vars *vars)
  6272. {
  6273. u16 cl37_val;
  6274. struct bnx2x *bp = params->bp;
  6275. bnx2x_cl45_read(bp, phy,
  6276. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6277. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6278. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6279. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6280. if ((vars->ieee_fc &
  6281. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6282. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6283. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6284. }
  6285. if ((vars->ieee_fc &
  6286. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6287. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6288. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6289. }
  6290. if ((vars->ieee_fc &
  6291. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6292. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6293. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6294. }
  6295. DP(NETIF_MSG_LINK,
  6296. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6297. bnx2x_cl45_write(bp, phy,
  6298. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6299. msleep(500);
  6300. }
  6301. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6302. struct link_params *params,
  6303. struct link_vars *vars)
  6304. {
  6305. struct bnx2x *bp = params->bp;
  6306. u16 val = 0, tmp1;
  6307. u8 gpio_port;
  6308. DP(NETIF_MSG_LINK, "Init 8073\n");
  6309. if (CHIP_IS_E2(bp))
  6310. gpio_port = BP_PATH(bp);
  6311. else
  6312. gpio_port = params->port;
  6313. /* Restore normal power mode*/
  6314. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6315. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6316. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6317. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6318. /* enable LASI */
  6319. bnx2x_cl45_write(bp, phy,
  6320. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6321. bnx2x_cl45_write(bp, phy,
  6322. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6323. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6324. bnx2x_cl45_read(bp, phy,
  6325. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6326. bnx2x_cl45_read(bp, phy,
  6327. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6328. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6329. /* Swap polarity if required - Must be done only in non-1G mode */
  6330. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6331. /* Configure the 8073 to swap _P and _N of the KR lines */
  6332. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6333. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6334. bnx2x_cl45_read(bp, phy,
  6335. MDIO_PMA_DEVAD,
  6336. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6337. bnx2x_cl45_write(bp, phy,
  6338. MDIO_PMA_DEVAD,
  6339. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6340. (val | (3<<9)));
  6341. }
  6342. /* Enable CL37 BAM */
  6343. if (REG_RD(bp, params->shmem_base +
  6344. offsetof(struct shmem_region, dev_info.
  6345. port_hw_config[params->port].default_cfg)) &
  6346. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6347. bnx2x_cl45_read(bp, phy,
  6348. MDIO_AN_DEVAD,
  6349. MDIO_AN_REG_8073_BAM, &val);
  6350. bnx2x_cl45_write(bp, phy,
  6351. MDIO_AN_DEVAD,
  6352. MDIO_AN_REG_8073_BAM, val | 1);
  6353. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6354. }
  6355. if (params->loopback_mode == LOOPBACK_EXT) {
  6356. bnx2x_807x_force_10G(bp, phy);
  6357. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6358. return 0;
  6359. } else {
  6360. bnx2x_cl45_write(bp, phy,
  6361. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6362. }
  6363. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6364. if (phy->req_line_speed == SPEED_10000) {
  6365. val = (1<<7);
  6366. } else if (phy->req_line_speed == SPEED_2500) {
  6367. val = (1<<5);
  6368. /*
  6369. * Note that 2.5G works only when used with 1G
  6370. * advertisement
  6371. */
  6372. } else
  6373. val = (1<<5);
  6374. } else {
  6375. val = 0;
  6376. if (phy->speed_cap_mask &
  6377. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6378. val |= (1<<7);
  6379. /* Note that 2.5G works only when used with 1G advertisement */
  6380. if (phy->speed_cap_mask &
  6381. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6382. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6383. val |= (1<<5);
  6384. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6385. }
  6386. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6387. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6388. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6389. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6390. (phy->req_line_speed == SPEED_2500)) {
  6391. u16 phy_ver;
  6392. /* Allow 2.5G for A1 and above */
  6393. bnx2x_cl45_read(bp, phy,
  6394. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6395. &phy_ver);
  6396. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6397. if (phy_ver > 0)
  6398. tmp1 |= 1;
  6399. else
  6400. tmp1 &= 0xfffe;
  6401. } else {
  6402. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6403. tmp1 &= 0xfffe;
  6404. }
  6405. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6406. /* Add support for CL37 (passive mode) II */
  6407. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6408. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6409. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6410. 0x20 : 0x40)));
  6411. /* Add support for CL37 (passive mode) III */
  6412. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6413. /*
  6414. * The SNR will improve about 2db by changing BW and FEE main
  6415. * tap. Rest commands are executed after link is up
  6416. * Change FFE main cursor to 5 in EDC register
  6417. */
  6418. if (bnx2x_8073_is_snr_needed(bp, phy))
  6419. bnx2x_cl45_write(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6421. 0xFB0C);
  6422. /* Enable FEC (Forware Error Correction) Request in the AN */
  6423. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6424. tmp1 |= (1<<15);
  6425. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6426. bnx2x_ext_phy_set_pause(params, phy, vars);
  6427. /* Restart autoneg */
  6428. msleep(500);
  6429. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6430. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6431. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6432. return 0;
  6433. }
  6434. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6435. struct link_params *params,
  6436. struct link_vars *vars)
  6437. {
  6438. struct bnx2x *bp = params->bp;
  6439. u8 link_up = 0;
  6440. u16 val1, val2;
  6441. u16 link_status = 0;
  6442. u16 an1000_status = 0;
  6443. bnx2x_cl45_read(bp, phy,
  6444. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6445. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6446. /* clear the interrupt LASI status register */
  6447. bnx2x_cl45_read(bp, phy,
  6448. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6449. bnx2x_cl45_read(bp, phy,
  6450. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6451. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6452. /* Clear MSG-OUT */
  6453. bnx2x_cl45_read(bp, phy,
  6454. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6455. /* Check the LASI */
  6456. bnx2x_cl45_read(bp, phy,
  6457. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6458. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6459. /* Check the link status */
  6460. bnx2x_cl45_read(bp, phy,
  6461. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6462. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6463. bnx2x_cl45_read(bp, phy,
  6464. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6465. bnx2x_cl45_read(bp, phy,
  6466. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6467. link_up = ((val1 & 4) == 4);
  6468. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6469. if (link_up &&
  6470. ((phy->req_line_speed != SPEED_10000))) {
  6471. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6472. return 0;
  6473. }
  6474. bnx2x_cl45_read(bp, phy,
  6475. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6476. bnx2x_cl45_read(bp, phy,
  6477. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6478. /* Check the link status on 1.1.2 */
  6479. bnx2x_cl45_read(bp, phy,
  6480. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6481. bnx2x_cl45_read(bp, phy,
  6482. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6483. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6484. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6485. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6486. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6487. /*
  6488. * The SNR will improve about 2dbby changing the BW and FEE main
  6489. * tap. The 1st write to change FFE main tap is set before
  6490. * restart AN. Change PLL Bandwidth in EDC register
  6491. */
  6492. bnx2x_cl45_write(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6494. 0x26BC);
  6495. /* Change CDR Bandwidth in EDC register */
  6496. bnx2x_cl45_write(bp, phy,
  6497. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6498. 0x0333);
  6499. }
  6500. bnx2x_cl45_read(bp, phy,
  6501. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6502. &link_status);
  6503. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6504. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6505. link_up = 1;
  6506. vars->line_speed = SPEED_10000;
  6507. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6508. params->port);
  6509. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6510. link_up = 1;
  6511. vars->line_speed = SPEED_2500;
  6512. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6513. params->port);
  6514. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6515. link_up = 1;
  6516. vars->line_speed = SPEED_1000;
  6517. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6518. params->port);
  6519. } else {
  6520. link_up = 0;
  6521. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6522. params->port);
  6523. }
  6524. if (link_up) {
  6525. /* Swap polarity if required */
  6526. if (params->lane_config &
  6527. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6528. /* Configure the 8073 to swap P and N of the KR lines */
  6529. bnx2x_cl45_read(bp, phy,
  6530. MDIO_XS_DEVAD,
  6531. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6532. /*
  6533. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6534. * when it`s in 10G mode.
  6535. */
  6536. if (vars->line_speed == SPEED_1000) {
  6537. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6538. "the 8073\n");
  6539. val1 |= (1<<3);
  6540. } else
  6541. val1 &= ~(1<<3);
  6542. bnx2x_cl45_write(bp, phy,
  6543. MDIO_XS_DEVAD,
  6544. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6545. val1);
  6546. }
  6547. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6548. bnx2x_8073_resolve_fc(phy, params, vars);
  6549. vars->duplex = DUPLEX_FULL;
  6550. }
  6551. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6552. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6553. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6554. if (val1 & (1<<5))
  6555. vars->link_status |=
  6556. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6557. if (val1 & (1<<7))
  6558. vars->link_status |=
  6559. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6560. }
  6561. return link_up;
  6562. }
  6563. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6564. struct link_params *params)
  6565. {
  6566. struct bnx2x *bp = params->bp;
  6567. u8 gpio_port;
  6568. if (CHIP_IS_E2(bp))
  6569. gpio_port = BP_PATH(bp);
  6570. else
  6571. gpio_port = params->port;
  6572. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6573. gpio_port);
  6574. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6575. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6576. gpio_port);
  6577. }
  6578. /******************************************************************/
  6579. /* BCM8705 PHY SECTION */
  6580. /******************************************************************/
  6581. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6582. struct link_params *params,
  6583. struct link_vars *vars)
  6584. {
  6585. struct bnx2x *bp = params->bp;
  6586. DP(NETIF_MSG_LINK, "init 8705\n");
  6587. /* Restore normal power mode*/
  6588. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6589. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6590. /* HW reset */
  6591. bnx2x_ext_phy_hw_reset(bp, params->port);
  6592. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6593. bnx2x_wait_reset_complete(bp, phy, params);
  6594. bnx2x_cl45_write(bp, phy,
  6595. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6596. bnx2x_cl45_write(bp, phy,
  6597. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6598. bnx2x_cl45_write(bp, phy,
  6599. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6600. bnx2x_cl45_write(bp, phy,
  6601. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6602. /* BCM8705 doesn't have microcode, hence the 0 */
  6603. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6604. return 0;
  6605. }
  6606. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6607. struct link_params *params,
  6608. struct link_vars *vars)
  6609. {
  6610. u8 link_up = 0;
  6611. u16 val1, rx_sd;
  6612. struct bnx2x *bp = params->bp;
  6613. DP(NETIF_MSG_LINK, "read status 8705\n");
  6614. bnx2x_cl45_read(bp, phy,
  6615. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6616. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6617. bnx2x_cl45_read(bp, phy,
  6618. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6619. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6620. bnx2x_cl45_read(bp, phy,
  6621. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PMA_DEVAD, 0xc809, &val1);
  6624. bnx2x_cl45_read(bp, phy,
  6625. MDIO_PMA_DEVAD, 0xc809, &val1);
  6626. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6627. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6628. if (link_up) {
  6629. vars->line_speed = SPEED_10000;
  6630. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6631. }
  6632. return link_up;
  6633. }
  6634. /******************************************************************/
  6635. /* SFP+ module Section */
  6636. /******************************************************************/
  6637. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6638. struct bnx2x_phy *phy,
  6639. u8 pmd_dis)
  6640. {
  6641. struct bnx2x *bp = params->bp;
  6642. /*
  6643. * Disable transmitter only for bootcodes which can enable it afterwards
  6644. * (for D3 link)
  6645. */
  6646. if (pmd_dis) {
  6647. if (params->feature_config_flags &
  6648. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6649. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6650. else {
  6651. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6652. return;
  6653. }
  6654. } else
  6655. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6656. bnx2x_cl45_write(bp, phy,
  6657. MDIO_PMA_DEVAD,
  6658. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6659. }
  6660. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6661. {
  6662. u8 gpio_port;
  6663. u32 swap_val, swap_override;
  6664. struct bnx2x *bp = params->bp;
  6665. if (CHIP_IS_E2(bp))
  6666. gpio_port = BP_PATH(bp);
  6667. else
  6668. gpio_port = params->port;
  6669. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6670. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6671. return gpio_port ^ (swap_val && swap_override);
  6672. }
  6673. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6674. struct bnx2x_phy *phy,
  6675. u8 tx_en)
  6676. {
  6677. u16 val;
  6678. u8 port = params->port;
  6679. struct bnx2x *bp = params->bp;
  6680. u32 tx_en_mode;
  6681. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6682. tx_en_mode = REG_RD(bp, params->shmem_base +
  6683. offsetof(struct shmem_region,
  6684. dev_info.port_hw_config[port].sfp_ctrl)) &
  6685. PORT_HW_CFG_TX_LASER_MASK;
  6686. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6687. "mode = %x\n", tx_en, port, tx_en_mode);
  6688. switch (tx_en_mode) {
  6689. case PORT_HW_CFG_TX_LASER_MDIO:
  6690. bnx2x_cl45_read(bp, phy,
  6691. MDIO_PMA_DEVAD,
  6692. MDIO_PMA_REG_PHY_IDENTIFIER,
  6693. &val);
  6694. if (tx_en)
  6695. val &= ~(1<<15);
  6696. else
  6697. val |= (1<<15);
  6698. bnx2x_cl45_write(bp, phy,
  6699. MDIO_PMA_DEVAD,
  6700. MDIO_PMA_REG_PHY_IDENTIFIER,
  6701. val);
  6702. break;
  6703. case PORT_HW_CFG_TX_LASER_GPIO0:
  6704. case PORT_HW_CFG_TX_LASER_GPIO1:
  6705. case PORT_HW_CFG_TX_LASER_GPIO2:
  6706. case PORT_HW_CFG_TX_LASER_GPIO3:
  6707. {
  6708. u16 gpio_pin;
  6709. u8 gpio_port, gpio_mode;
  6710. if (tx_en)
  6711. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6712. else
  6713. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6714. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6715. gpio_port = bnx2x_get_gpio_port(params);
  6716. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6717. break;
  6718. }
  6719. default:
  6720. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6721. break;
  6722. }
  6723. }
  6724. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6725. struct bnx2x_phy *phy,
  6726. u8 tx_en)
  6727. {
  6728. struct bnx2x *bp = params->bp;
  6729. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6730. if (CHIP_IS_E3(bp))
  6731. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6732. else
  6733. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6734. }
  6735. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6736. struct link_params *params,
  6737. u16 addr, u8 byte_cnt, u8 *o_buf)
  6738. {
  6739. struct bnx2x *bp = params->bp;
  6740. u16 val = 0;
  6741. u16 i;
  6742. if (byte_cnt > 16) {
  6743. DP(NETIF_MSG_LINK,
  6744. "Reading from eeprom is limited to 0xf\n");
  6745. return -EINVAL;
  6746. }
  6747. /* Set the read command byte count */
  6748. bnx2x_cl45_write(bp, phy,
  6749. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6750. (byte_cnt | 0xa000));
  6751. /* Set the read command address */
  6752. bnx2x_cl45_write(bp, phy,
  6753. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6754. addr);
  6755. /* Activate read command */
  6756. bnx2x_cl45_write(bp, phy,
  6757. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6758. 0x2c0f);
  6759. /* Wait up to 500us for command complete status */
  6760. for (i = 0; i < 100; i++) {
  6761. bnx2x_cl45_read(bp, phy,
  6762. MDIO_PMA_DEVAD,
  6763. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6764. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6765. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6766. break;
  6767. udelay(5);
  6768. }
  6769. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6770. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6771. DP(NETIF_MSG_LINK,
  6772. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6773. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6774. return -EINVAL;
  6775. }
  6776. /* Read the buffer */
  6777. for (i = 0; i < byte_cnt; i++) {
  6778. bnx2x_cl45_read(bp, phy,
  6779. MDIO_PMA_DEVAD,
  6780. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6781. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6782. }
  6783. for (i = 0; i < 100; i++) {
  6784. bnx2x_cl45_read(bp, phy,
  6785. MDIO_PMA_DEVAD,
  6786. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6787. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6788. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6789. return 0;
  6790. msleep(1);
  6791. }
  6792. return -EINVAL;
  6793. }
  6794. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6795. struct link_params *params,
  6796. u16 addr, u8 byte_cnt,
  6797. u8 *o_buf)
  6798. {
  6799. int rc = 0;
  6800. u8 i, j = 0, cnt = 0;
  6801. u32 data_array[4];
  6802. u16 addr32;
  6803. struct bnx2x *bp = params->bp;
  6804. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6805. " addr %d, cnt %d\n",
  6806. addr, byte_cnt);*/
  6807. if (byte_cnt > 16) {
  6808. DP(NETIF_MSG_LINK,
  6809. "Reading from eeprom is limited to 16 bytes\n");
  6810. return -EINVAL;
  6811. }
  6812. /* 4 byte aligned address */
  6813. addr32 = addr & (~0x3);
  6814. do {
  6815. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6816. data_array);
  6817. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6818. if (rc == 0) {
  6819. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6820. o_buf[j] = *((u8 *)data_array + i);
  6821. j++;
  6822. }
  6823. }
  6824. return rc;
  6825. }
  6826. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6827. struct link_params *params,
  6828. u16 addr, u8 byte_cnt, u8 *o_buf)
  6829. {
  6830. struct bnx2x *bp = params->bp;
  6831. u16 val, i;
  6832. if (byte_cnt > 16) {
  6833. DP(NETIF_MSG_LINK,
  6834. "Reading from eeprom is limited to 0xf\n");
  6835. return -EINVAL;
  6836. }
  6837. /* Need to read from 1.8000 to clear it */
  6838. bnx2x_cl45_read(bp, phy,
  6839. MDIO_PMA_DEVAD,
  6840. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6841. &val);
  6842. /* Set the read command byte count */
  6843. bnx2x_cl45_write(bp, phy,
  6844. MDIO_PMA_DEVAD,
  6845. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6846. ((byte_cnt < 2) ? 2 : byte_cnt));
  6847. /* Set the read command address */
  6848. bnx2x_cl45_write(bp, phy,
  6849. MDIO_PMA_DEVAD,
  6850. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6851. addr);
  6852. /* Set the destination address */
  6853. bnx2x_cl45_write(bp, phy,
  6854. MDIO_PMA_DEVAD,
  6855. 0x8004,
  6856. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6857. /* Activate read command */
  6858. bnx2x_cl45_write(bp, phy,
  6859. MDIO_PMA_DEVAD,
  6860. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6861. 0x8002);
  6862. /*
  6863. * Wait appropriate time for two-wire command to finish before
  6864. * polling the status register
  6865. */
  6866. msleep(1);
  6867. /* Wait up to 500us for command complete status */
  6868. for (i = 0; i < 100; i++) {
  6869. bnx2x_cl45_read(bp, phy,
  6870. MDIO_PMA_DEVAD,
  6871. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6872. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6873. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6874. break;
  6875. udelay(5);
  6876. }
  6877. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6878. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6879. DP(NETIF_MSG_LINK,
  6880. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6881. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6882. return -EFAULT;
  6883. }
  6884. /* Read the buffer */
  6885. for (i = 0; i < byte_cnt; i++) {
  6886. bnx2x_cl45_read(bp, phy,
  6887. MDIO_PMA_DEVAD,
  6888. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6889. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6890. }
  6891. for (i = 0; i < 100; i++) {
  6892. bnx2x_cl45_read(bp, phy,
  6893. MDIO_PMA_DEVAD,
  6894. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6895. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6896. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6897. return 0;
  6898. msleep(1);
  6899. }
  6900. return -EINVAL;
  6901. }
  6902. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6903. struct link_params *params, u16 addr,
  6904. u8 byte_cnt, u8 *o_buf)
  6905. {
  6906. int rc = -EINVAL;
  6907. switch (phy->type) {
  6908. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6909. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6910. byte_cnt, o_buf);
  6911. break;
  6912. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6913. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6914. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6915. byte_cnt, o_buf);
  6916. break;
  6917. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6918. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6919. byte_cnt, o_buf);
  6920. break;
  6921. }
  6922. return rc;
  6923. }
  6924. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6925. struct link_params *params,
  6926. u16 *edc_mode)
  6927. {
  6928. struct bnx2x *bp = params->bp;
  6929. u32 sync_offset = 0, phy_idx, media_types;
  6930. u8 val, check_limiting_mode = 0;
  6931. *edc_mode = EDC_MODE_LIMITING;
  6932. phy->media_type = ETH_PHY_UNSPECIFIED;
  6933. /* First check for copper cable */
  6934. if (bnx2x_read_sfp_module_eeprom(phy,
  6935. params,
  6936. SFP_EEPROM_CON_TYPE_ADDR,
  6937. 1,
  6938. &val) != 0) {
  6939. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6940. return -EINVAL;
  6941. }
  6942. switch (val) {
  6943. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6944. {
  6945. u8 copper_module_type;
  6946. phy->media_type = ETH_PHY_DA_TWINAX;
  6947. /*
  6948. * Check if its active cable (includes SFP+ module)
  6949. * of passive cable
  6950. */
  6951. if (bnx2x_read_sfp_module_eeprom(phy,
  6952. params,
  6953. SFP_EEPROM_FC_TX_TECH_ADDR,
  6954. 1,
  6955. &copper_module_type) != 0) {
  6956. DP(NETIF_MSG_LINK,
  6957. "Failed to read copper-cable-type"
  6958. " from SFP+ EEPROM\n");
  6959. return -EINVAL;
  6960. }
  6961. if (copper_module_type &
  6962. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6963. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6964. check_limiting_mode = 1;
  6965. } else if (copper_module_type &
  6966. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6967. DP(NETIF_MSG_LINK,
  6968. "Passive Copper cable detected\n");
  6969. *edc_mode =
  6970. EDC_MODE_PASSIVE_DAC;
  6971. } else {
  6972. DP(NETIF_MSG_LINK,
  6973. "Unknown copper-cable-type 0x%x !!!\n",
  6974. copper_module_type);
  6975. return -EINVAL;
  6976. }
  6977. break;
  6978. }
  6979. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6980. phy->media_type = ETH_PHY_SFP_FIBER;
  6981. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6982. check_limiting_mode = 1;
  6983. break;
  6984. default:
  6985. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6986. val);
  6987. return -EINVAL;
  6988. }
  6989. sync_offset = params->shmem_base +
  6990. offsetof(struct shmem_region,
  6991. dev_info.port_hw_config[params->port].media_type);
  6992. media_types = REG_RD(bp, sync_offset);
  6993. /* Update media type for non-PMF sync */
  6994. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6995. if (&(params->phy[phy_idx]) == phy) {
  6996. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6997. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6998. media_types |= ((phy->media_type &
  6999. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7000. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7001. break;
  7002. }
  7003. }
  7004. REG_WR(bp, sync_offset, media_types);
  7005. if (check_limiting_mode) {
  7006. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7007. if (bnx2x_read_sfp_module_eeprom(phy,
  7008. params,
  7009. SFP_EEPROM_OPTIONS_ADDR,
  7010. SFP_EEPROM_OPTIONS_SIZE,
  7011. options) != 0) {
  7012. DP(NETIF_MSG_LINK,
  7013. "Failed to read Option field from module EEPROM\n");
  7014. return -EINVAL;
  7015. }
  7016. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7017. *edc_mode = EDC_MODE_LINEAR;
  7018. else
  7019. *edc_mode = EDC_MODE_LIMITING;
  7020. }
  7021. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7022. return 0;
  7023. }
  7024. /*
  7025. * This function read the relevant field from the module (SFP+), and verify it
  7026. * is compliant with this board
  7027. */
  7028. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7029. struct link_params *params)
  7030. {
  7031. struct bnx2x *bp = params->bp;
  7032. u32 val, cmd;
  7033. u32 fw_resp, fw_cmd_param;
  7034. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7035. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7036. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7037. val = REG_RD(bp, params->shmem_base +
  7038. offsetof(struct shmem_region, dev_info.
  7039. port_feature_config[params->port].config));
  7040. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7041. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7042. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7043. return 0;
  7044. }
  7045. if (params->feature_config_flags &
  7046. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7047. /* Use specific phy request */
  7048. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7049. } else if (params->feature_config_flags &
  7050. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7051. /* Use first phy request only in case of non-dual media*/
  7052. if (DUAL_MEDIA(params)) {
  7053. DP(NETIF_MSG_LINK,
  7054. "FW does not support OPT MDL verification\n");
  7055. return -EINVAL;
  7056. }
  7057. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7058. } else {
  7059. /* No support in OPT MDL detection */
  7060. DP(NETIF_MSG_LINK,
  7061. "FW does not support OPT MDL verification\n");
  7062. return -EINVAL;
  7063. }
  7064. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7065. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7066. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7067. DP(NETIF_MSG_LINK, "Approved module\n");
  7068. return 0;
  7069. }
  7070. /* format the warning message */
  7071. if (bnx2x_read_sfp_module_eeprom(phy,
  7072. params,
  7073. SFP_EEPROM_VENDOR_NAME_ADDR,
  7074. SFP_EEPROM_VENDOR_NAME_SIZE,
  7075. (u8 *)vendor_name))
  7076. vendor_name[0] = '\0';
  7077. else
  7078. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7079. if (bnx2x_read_sfp_module_eeprom(phy,
  7080. params,
  7081. SFP_EEPROM_PART_NO_ADDR,
  7082. SFP_EEPROM_PART_NO_SIZE,
  7083. (u8 *)vendor_pn))
  7084. vendor_pn[0] = '\0';
  7085. else
  7086. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7087. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7088. " Port %d from %s part number %s\n",
  7089. params->port, vendor_name, vendor_pn);
  7090. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7091. return -EINVAL;
  7092. }
  7093. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7094. struct link_params *params)
  7095. {
  7096. u8 val;
  7097. struct bnx2x *bp = params->bp;
  7098. u16 timeout;
  7099. /*
  7100. * Initialization time after hot-plug may take up to 300ms for
  7101. * some phys type ( e.g. JDSU )
  7102. */
  7103. for (timeout = 0; timeout < 60; timeout++) {
  7104. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7105. == 0) {
  7106. DP(NETIF_MSG_LINK,
  7107. "SFP+ module initialization took %d ms\n",
  7108. timeout * 5);
  7109. return 0;
  7110. }
  7111. msleep(5);
  7112. }
  7113. return -EINVAL;
  7114. }
  7115. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7116. struct bnx2x_phy *phy,
  7117. u8 is_power_up) {
  7118. /* Make sure GPIOs are not using for LED mode */
  7119. u16 val;
  7120. /*
  7121. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7122. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7123. * output
  7124. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7125. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7126. * where the 1st bit is the over-current(only input), and 2nd bit is
  7127. * for power( only output )
  7128. *
  7129. * In case of NOC feature is disabled and power is up, set GPIO control
  7130. * as input to enable listening of over-current indication
  7131. */
  7132. if (phy->flags & FLAGS_NOC)
  7133. return;
  7134. if (is_power_up)
  7135. val = (1<<4);
  7136. else
  7137. /*
  7138. * Set GPIO control to OUTPUT, and set the power bit
  7139. * to according to the is_power_up
  7140. */
  7141. val = (1<<1);
  7142. bnx2x_cl45_write(bp, phy,
  7143. MDIO_PMA_DEVAD,
  7144. MDIO_PMA_REG_8727_GPIO_CTRL,
  7145. val);
  7146. }
  7147. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7148. struct bnx2x_phy *phy,
  7149. u16 edc_mode)
  7150. {
  7151. u16 cur_limiting_mode;
  7152. bnx2x_cl45_read(bp, phy,
  7153. MDIO_PMA_DEVAD,
  7154. MDIO_PMA_REG_ROM_VER2,
  7155. &cur_limiting_mode);
  7156. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7157. cur_limiting_mode);
  7158. if (edc_mode == EDC_MODE_LIMITING) {
  7159. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7160. bnx2x_cl45_write(bp, phy,
  7161. MDIO_PMA_DEVAD,
  7162. MDIO_PMA_REG_ROM_VER2,
  7163. EDC_MODE_LIMITING);
  7164. } else { /* LRM mode ( default )*/
  7165. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7166. /*
  7167. * Changing to LRM mode takes quite few seconds. So do it only
  7168. * if current mode is limiting (default is LRM)
  7169. */
  7170. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7171. return 0;
  7172. bnx2x_cl45_write(bp, phy,
  7173. MDIO_PMA_DEVAD,
  7174. MDIO_PMA_REG_LRM_MODE,
  7175. 0);
  7176. bnx2x_cl45_write(bp, phy,
  7177. MDIO_PMA_DEVAD,
  7178. MDIO_PMA_REG_ROM_VER2,
  7179. 0x128);
  7180. bnx2x_cl45_write(bp, phy,
  7181. MDIO_PMA_DEVAD,
  7182. MDIO_PMA_REG_MISC_CTRL0,
  7183. 0x4008);
  7184. bnx2x_cl45_write(bp, phy,
  7185. MDIO_PMA_DEVAD,
  7186. MDIO_PMA_REG_LRM_MODE,
  7187. 0xaaaa);
  7188. }
  7189. return 0;
  7190. }
  7191. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7192. struct bnx2x_phy *phy,
  7193. u16 edc_mode)
  7194. {
  7195. u16 phy_identifier;
  7196. u16 rom_ver2_val;
  7197. bnx2x_cl45_read(bp, phy,
  7198. MDIO_PMA_DEVAD,
  7199. MDIO_PMA_REG_PHY_IDENTIFIER,
  7200. &phy_identifier);
  7201. bnx2x_cl45_write(bp, phy,
  7202. MDIO_PMA_DEVAD,
  7203. MDIO_PMA_REG_PHY_IDENTIFIER,
  7204. (phy_identifier & ~(1<<9)));
  7205. bnx2x_cl45_read(bp, phy,
  7206. MDIO_PMA_DEVAD,
  7207. MDIO_PMA_REG_ROM_VER2,
  7208. &rom_ver2_val);
  7209. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7210. bnx2x_cl45_write(bp, phy,
  7211. MDIO_PMA_DEVAD,
  7212. MDIO_PMA_REG_ROM_VER2,
  7213. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7214. bnx2x_cl45_write(bp, phy,
  7215. MDIO_PMA_DEVAD,
  7216. MDIO_PMA_REG_PHY_IDENTIFIER,
  7217. (phy_identifier | (1<<9)));
  7218. return 0;
  7219. }
  7220. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7221. struct link_params *params,
  7222. u32 action)
  7223. {
  7224. struct bnx2x *bp = params->bp;
  7225. switch (action) {
  7226. case DISABLE_TX:
  7227. bnx2x_sfp_set_transmitter(params, phy, 0);
  7228. break;
  7229. case ENABLE_TX:
  7230. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7231. bnx2x_sfp_set_transmitter(params, phy, 1);
  7232. break;
  7233. default:
  7234. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7235. action);
  7236. return;
  7237. }
  7238. }
  7239. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7240. u8 gpio_mode)
  7241. {
  7242. struct bnx2x *bp = params->bp;
  7243. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7244. offsetof(struct shmem_region,
  7245. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7246. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7247. switch (fault_led_gpio) {
  7248. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7249. return;
  7250. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7251. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7252. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7253. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7254. {
  7255. u8 gpio_port = bnx2x_get_gpio_port(params);
  7256. u16 gpio_pin = fault_led_gpio -
  7257. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7258. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7259. "pin %x port %x mode %x\n",
  7260. gpio_pin, gpio_port, gpio_mode);
  7261. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7262. }
  7263. break;
  7264. default:
  7265. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7266. fault_led_gpio);
  7267. }
  7268. }
  7269. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7270. u8 gpio_mode)
  7271. {
  7272. u32 pin_cfg;
  7273. u8 port = params->port;
  7274. struct bnx2x *bp = params->bp;
  7275. pin_cfg = (REG_RD(bp, params->shmem_base +
  7276. offsetof(struct shmem_region,
  7277. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7278. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7279. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7280. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7281. gpio_mode, pin_cfg);
  7282. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7283. }
  7284. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7285. u8 gpio_mode)
  7286. {
  7287. struct bnx2x *bp = params->bp;
  7288. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7289. if (CHIP_IS_E3(bp)) {
  7290. /*
  7291. * Low ==> if SFP+ module is supported otherwise
  7292. * High ==> if SFP+ module is not on the approved vendor list
  7293. */
  7294. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7295. } else
  7296. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7297. }
  7298. static void bnx2x_warpcore_power_module(struct link_params *params,
  7299. struct bnx2x_phy *phy,
  7300. u8 power)
  7301. {
  7302. u32 pin_cfg;
  7303. struct bnx2x *bp = params->bp;
  7304. pin_cfg = (REG_RD(bp, params->shmem_base +
  7305. offsetof(struct shmem_region,
  7306. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7307. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7308. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7309. if (pin_cfg == PIN_CFG_NA)
  7310. return;
  7311. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7312. power, pin_cfg);
  7313. /*
  7314. * Low ==> corresponding SFP+ module is powered
  7315. * high ==> the SFP+ module is powered down
  7316. */
  7317. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7318. }
  7319. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7320. struct link_params *params)
  7321. {
  7322. struct bnx2x *bp = params->bp;
  7323. bnx2x_warpcore_power_module(params, phy, 0);
  7324. /* Put Warpcore in low power mode */
  7325. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7326. /* Put LCPLL in low power mode */
  7327. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7328. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7329. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7330. }
  7331. static void bnx2x_power_sfp_module(struct link_params *params,
  7332. struct bnx2x_phy *phy,
  7333. u8 power)
  7334. {
  7335. struct bnx2x *bp = params->bp;
  7336. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7337. switch (phy->type) {
  7338. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7339. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7340. bnx2x_8727_power_module(params->bp, phy, power);
  7341. break;
  7342. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7343. bnx2x_warpcore_power_module(params, phy, power);
  7344. break;
  7345. default:
  7346. break;
  7347. }
  7348. }
  7349. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7350. struct bnx2x_phy *phy,
  7351. u16 edc_mode)
  7352. {
  7353. u16 val = 0;
  7354. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7355. struct bnx2x *bp = params->bp;
  7356. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7357. /* This is a global register which controls all lanes */
  7358. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7359. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7360. val &= ~(0xf << (lane << 2));
  7361. switch (edc_mode) {
  7362. case EDC_MODE_LINEAR:
  7363. case EDC_MODE_LIMITING:
  7364. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7365. break;
  7366. case EDC_MODE_PASSIVE_DAC:
  7367. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7368. break;
  7369. default:
  7370. break;
  7371. }
  7372. val |= (mode << (lane << 2));
  7373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7374. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7375. /* A must read */
  7376. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7377. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7378. /* Restart microcode to re-read the new mode */
  7379. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7380. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7381. }
  7382. static void bnx2x_set_limiting_mode(struct link_params *params,
  7383. struct bnx2x_phy *phy,
  7384. u16 edc_mode)
  7385. {
  7386. switch (phy->type) {
  7387. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7388. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7389. break;
  7390. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7391. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7392. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7393. break;
  7394. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7395. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7396. break;
  7397. }
  7398. }
  7399. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7400. struct link_params *params)
  7401. {
  7402. struct bnx2x *bp = params->bp;
  7403. u16 edc_mode;
  7404. int rc = 0;
  7405. u32 val = REG_RD(bp, params->shmem_base +
  7406. offsetof(struct shmem_region, dev_info.
  7407. port_feature_config[params->port].config));
  7408. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7409. params->port);
  7410. /* Power up module */
  7411. bnx2x_power_sfp_module(params, phy, 1);
  7412. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7413. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7414. return -EINVAL;
  7415. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7416. /* check SFP+ module compatibility */
  7417. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7418. rc = -EINVAL;
  7419. /* Turn on fault module-detected led */
  7420. bnx2x_set_sfp_module_fault_led(params,
  7421. MISC_REGISTERS_GPIO_HIGH);
  7422. /* Check if need to power down the SFP+ module */
  7423. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7424. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7425. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7426. bnx2x_power_sfp_module(params, phy, 0);
  7427. return rc;
  7428. }
  7429. } else {
  7430. /* Turn off fault module-detected led */
  7431. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7432. }
  7433. /*
  7434. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7435. * is done automatically
  7436. */
  7437. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7438. /*
  7439. * Enable transmit for this module if the module is approved, or
  7440. * if unapproved modules should also enable the Tx laser
  7441. */
  7442. if (rc == 0 ||
  7443. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7444. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7445. bnx2x_sfp_set_transmitter(params, phy, 1);
  7446. else
  7447. bnx2x_sfp_set_transmitter(params, phy, 0);
  7448. return rc;
  7449. }
  7450. void bnx2x_handle_module_detect_int(struct link_params *params)
  7451. {
  7452. struct bnx2x *bp = params->bp;
  7453. struct bnx2x_phy *phy;
  7454. u32 gpio_val;
  7455. u8 gpio_num, gpio_port;
  7456. if (CHIP_IS_E3(bp))
  7457. phy = &params->phy[INT_PHY];
  7458. else
  7459. phy = &params->phy[EXT_PHY1];
  7460. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7461. params->port, &gpio_num, &gpio_port) ==
  7462. -EINVAL) {
  7463. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7464. return;
  7465. }
  7466. /* Set valid module led off */
  7467. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7468. /* Get current gpio val reflecting module plugged in / out*/
  7469. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7470. /* Call the handling function in case module is detected */
  7471. if (gpio_val == 0) {
  7472. bnx2x_power_sfp_module(params, phy, 1);
  7473. bnx2x_set_gpio_int(bp, gpio_num,
  7474. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7475. gpio_port);
  7476. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7477. bnx2x_sfp_module_detection(phy, params);
  7478. else
  7479. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7480. } else {
  7481. u32 val = REG_RD(bp, params->shmem_base +
  7482. offsetof(struct shmem_region, dev_info.
  7483. port_feature_config[params->port].
  7484. config));
  7485. bnx2x_set_gpio_int(bp, gpio_num,
  7486. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7487. gpio_port);
  7488. /*
  7489. * Module was plugged out.
  7490. * Disable transmit for this module
  7491. */
  7492. phy->media_type = ETH_PHY_NOT_PRESENT;
  7493. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7494. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7495. CHIP_IS_E3(bp))
  7496. bnx2x_sfp_set_transmitter(params, phy, 0);
  7497. }
  7498. }
  7499. /******************************************************************/
  7500. /* Used by 8706 and 8727 */
  7501. /******************************************************************/
  7502. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7503. struct bnx2x_phy *phy,
  7504. u16 alarm_status_offset,
  7505. u16 alarm_ctrl_offset)
  7506. {
  7507. u16 alarm_status, val;
  7508. bnx2x_cl45_read(bp, phy,
  7509. MDIO_PMA_DEVAD, alarm_status_offset,
  7510. &alarm_status);
  7511. bnx2x_cl45_read(bp, phy,
  7512. MDIO_PMA_DEVAD, alarm_status_offset,
  7513. &alarm_status);
  7514. /* Mask or enable the fault event. */
  7515. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7516. if (alarm_status & (1<<0))
  7517. val &= ~(1<<0);
  7518. else
  7519. val |= (1<<0);
  7520. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7521. }
  7522. /******************************************************************/
  7523. /* common BCM8706/BCM8726 PHY SECTION */
  7524. /******************************************************************/
  7525. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7526. struct link_params *params,
  7527. struct link_vars *vars)
  7528. {
  7529. u8 link_up = 0;
  7530. u16 val1, val2, rx_sd, pcs_status;
  7531. struct bnx2x *bp = params->bp;
  7532. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7533. /* Clear RX Alarm*/
  7534. bnx2x_cl45_read(bp, phy,
  7535. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7536. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7537. MDIO_PMA_LASI_TXCTRL);
  7538. /* clear LASI indication*/
  7539. bnx2x_cl45_read(bp, phy,
  7540. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7541. bnx2x_cl45_read(bp, phy,
  7542. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7543. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7544. bnx2x_cl45_read(bp, phy,
  7545. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7546. bnx2x_cl45_read(bp, phy,
  7547. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7548. bnx2x_cl45_read(bp, phy,
  7549. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7550. bnx2x_cl45_read(bp, phy,
  7551. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7552. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7553. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7554. /*
  7555. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7556. * are set, or if the autoneg bit 1 is set
  7557. */
  7558. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7559. if (link_up) {
  7560. if (val2 & (1<<1))
  7561. vars->line_speed = SPEED_1000;
  7562. else
  7563. vars->line_speed = SPEED_10000;
  7564. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7565. vars->duplex = DUPLEX_FULL;
  7566. }
  7567. /* Capture 10G link fault. Read twice to clear stale value. */
  7568. if (vars->line_speed == SPEED_10000) {
  7569. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7570. MDIO_PMA_LASI_TXSTAT, &val1);
  7571. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7572. MDIO_PMA_LASI_TXSTAT, &val1);
  7573. if (val1 & (1<<0))
  7574. vars->fault_detected = 1;
  7575. }
  7576. return link_up;
  7577. }
  7578. /******************************************************************/
  7579. /* BCM8706 PHY SECTION */
  7580. /******************************************************************/
  7581. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7582. struct link_params *params,
  7583. struct link_vars *vars)
  7584. {
  7585. u32 tx_en_mode;
  7586. u16 cnt, val, tmp1;
  7587. struct bnx2x *bp = params->bp;
  7588. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7589. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7590. /* HW reset */
  7591. bnx2x_ext_phy_hw_reset(bp, params->port);
  7592. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7593. bnx2x_wait_reset_complete(bp, phy, params);
  7594. /* Wait until fw is loaded */
  7595. for (cnt = 0; cnt < 100; cnt++) {
  7596. bnx2x_cl45_read(bp, phy,
  7597. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7598. if (val)
  7599. break;
  7600. msleep(10);
  7601. }
  7602. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7603. if ((params->feature_config_flags &
  7604. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7605. u8 i;
  7606. u16 reg;
  7607. for (i = 0; i < 4; i++) {
  7608. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7609. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7610. MDIO_XS_8706_REG_BANK_RX0);
  7611. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7612. /* Clear first 3 bits of the control */
  7613. val &= ~0x7;
  7614. /* Set control bits according to configuration */
  7615. val |= (phy->rx_preemphasis[i] & 0x7);
  7616. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7617. " reg 0x%x <-- val 0x%x\n", reg, val);
  7618. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7619. }
  7620. }
  7621. /* Force speed */
  7622. if (phy->req_line_speed == SPEED_10000) {
  7623. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7624. bnx2x_cl45_write(bp, phy,
  7625. MDIO_PMA_DEVAD,
  7626. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7627. bnx2x_cl45_write(bp, phy,
  7628. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7629. 0);
  7630. /* Arm LASI for link and Tx fault. */
  7631. bnx2x_cl45_write(bp, phy,
  7632. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7633. } else {
  7634. /* Force 1Gbps using autoneg with 1G advertisement */
  7635. /* Allow CL37 through CL73 */
  7636. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7637. bnx2x_cl45_write(bp, phy,
  7638. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7639. /* Enable Full-Duplex advertisement on CL37 */
  7640. bnx2x_cl45_write(bp, phy,
  7641. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7642. /* Enable CL37 AN */
  7643. bnx2x_cl45_write(bp, phy,
  7644. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7645. /* 1G support */
  7646. bnx2x_cl45_write(bp, phy,
  7647. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7648. /* Enable clause 73 AN */
  7649. bnx2x_cl45_write(bp, phy,
  7650. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7651. bnx2x_cl45_write(bp, phy,
  7652. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7653. 0x0400);
  7654. bnx2x_cl45_write(bp, phy,
  7655. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7656. 0x0004);
  7657. }
  7658. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7659. /*
  7660. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7661. * power mode, if TX Laser is disabled
  7662. */
  7663. tx_en_mode = REG_RD(bp, params->shmem_base +
  7664. offsetof(struct shmem_region,
  7665. dev_info.port_hw_config[params->port].sfp_ctrl))
  7666. & PORT_HW_CFG_TX_LASER_MASK;
  7667. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7668. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7669. bnx2x_cl45_read(bp, phy,
  7670. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7671. tmp1 |= 0x1;
  7672. bnx2x_cl45_write(bp, phy,
  7673. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7674. }
  7675. return 0;
  7676. }
  7677. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7678. struct link_params *params,
  7679. struct link_vars *vars)
  7680. {
  7681. return bnx2x_8706_8726_read_status(phy, params, vars);
  7682. }
  7683. /******************************************************************/
  7684. /* BCM8726 PHY SECTION */
  7685. /******************************************************************/
  7686. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7687. struct link_params *params)
  7688. {
  7689. struct bnx2x *bp = params->bp;
  7690. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7691. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7692. }
  7693. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7694. struct link_params *params)
  7695. {
  7696. struct bnx2x *bp = params->bp;
  7697. /* Need to wait 100ms after reset */
  7698. msleep(100);
  7699. /* Micro controller re-boot */
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7702. /* Set soft reset */
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_PMA_DEVAD,
  7705. MDIO_PMA_REG_GEN_CTRL,
  7706. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_PMA_DEVAD,
  7709. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_PMA_DEVAD,
  7712. MDIO_PMA_REG_GEN_CTRL,
  7713. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7714. /* wait for 150ms for microcode load */
  7715. msleep(150);
  7716. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7717. bnx2x_cl45_write(bp, phy,
  7718. MDIO_PMA_DEVAD,
  7719. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7720. msleep(200);
  7721. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7722. }
  7723. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7724. struct link_params *params,
  7725. struct link_vars *vars)
  7726. {
  7727. struct bnx2x *bp = params->bp;
  7728. u16 val1;
  7729. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7730. if (link_up) {
  7731. bnx2x_cl45_read(bp, phy,
  7732. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7733. &val1);
  7734. if (val1 & (1<<15)) {
  7735. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7736. link_up = 0;
  7737. vars->line_speed = 0;
  7738. }
  7739. }
  7740. return link_up;
  7741. }
  7742. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7743. struct link_params *params,
  7744. struct link_vars *vars)
  7745. {
  7746. struct bnx2x *bp = params->bp;
  7747. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7748. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7749. bnx2x_wait_reset_complete(bp, phy, params);
  7750. bnx2x_8726_external_rom_boot(phy, params);
  7751. /*
  7752. * Need to call module detected on initialization since the module
  7753. * detection triggered by actual module insertion might occur before
  7754. * driver is loaded, and when driver is loaded, it reset all
  7755. * registers, including the transmitter
  7756. */
  7757. bnx2x_sfp_module_detection(phy, params);
  7758. if (phy->req_line_speed == SPEED_1000) {
  7759. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7760. bnx2x_cl45_write(bp, phy,
  7761. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7762. bnx2x_cl45_write(bp, phy,
  7763. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7764. bnx2x_cl45_write(bp, phy,
  7765. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7766. bnx2x_cl45_write(bp, phy,
  7767. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7768. 0x400);
  7769. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7770. (phy->speed_cap_mask &
  7771. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7772. ((phy->speed_cap_mask &
  7773. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7774. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7775. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7776. /* Set Flow control */
  7777. bnx2x_ext_phy_set_pause(params, phy, vars);
  7778. bnx2x_cl45_write(bp, phy,
  7779. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7780. bnx2x_cl45_write(bp, phy,
  7781. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7784. bnx2x_cl45_write(bp, phy,
  7785. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7788. /*
  7789. * Enable RX-ALARM control to receive interrupt for 1G speed
  7790. * change
  7791. */
  7792. bnx2x_cl45_write(bp, phy,
  7793. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7794. bnx2x_cl45_write(bp, phy,
  7795. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7796. 0x400);
  7797. } else { /* Default 10G. Set only LASI control */
  7798. bnx2x_cl45_write(bp, phy,
  7799. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7800. }
  7801. /* Set TX PreEmphasis if needed */
  7802. if ((params->feature_config_flags &
  7803. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7804. DP(NETIF_MSG_LINK,
  7805. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7806. phy->tx_preemphasis[0],
  7807. phy->tx_preemphasis[1]);
  7808. bnx2x_cl45_write(bp, phy,
  7809. MDIO_PMA_DEVAD,
  7810. MDIO_PMA_REG_8726_TX_CTRL1,
  7811. phy->tx_preemphasis[0]);
  7812. bnx2x_cl45_write(bp, phy,
  7813. MDIO_PMA_DEVAD,
  7814. MDIO_PMA_REG_8726_TX_CTRL2,
  7815. phy->tx_preemphasis[1]);
  7816. }
  7817. return 0;
  7818. }
  7819. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7820. struct link_params *params)
  7821. {
  7822. struct bnx2x *bp = params->bp;
  7823. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7824. /* Set serial boot control for external load */
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD,
  7827. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7828. }
  7829. /******************************************************************/
  7830. /* BCM8727 PHY SECTION */
  7831. /******************************************************************/
  7832. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7833. struct link_params *params, u8 mode)
  7834. {
  7835. struct bnx2x *bp = params->bp;
  7836. u16 led_mode_bitmask = 0;
  7837. u16 gpio_pins_bitmask = 0;
  7838. u16 val;
  7839. /* Only NOC flavor requires to set the LED specifically */
  7840. if (!(phy->flags & FLAGS_NOC))
  7841. return;
  7842. switch (mode) {
  7843. case LED_MODE_FRONT_PANEL_OFF:
  7844. case LED_MODE_OFF:
  7845. led_mode_bitmask = 0;
  7846. gpio_pins_bitmask = 0x03;
  7847. break;
  7848. case LED_MODE_ON:
  7849. led_mode_bitmask = 0;
  7850. gpio_pins_bitmask = 0x02;
  7851. break;
  7852. case LED_MODE_OPER:
  7853. led_mode_bitmask = 0x60;
  7854. gpio_pins_bitmask = 0x11;
  7855. break;
  7856. }
  7857. bnx2x_cl45_read(bp, phy,
  7858. MDIO_PMA_DEVAD,
  7859. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7860. &val);
  7861. val &= 0xff8f;
  7862. val |= led_mode_bitmask;
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_PMA_DEVAD,
  7865. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7866. val);
  7867. bnx2x_cl45_read(bp, phy,
  7868. MDIO_PMA_DEVAD,
  7869. MDIO_PMA_REG_8727_GPIO_CTRL,
  7870. &val);
  7871. val &= 0xffe0;
  7872. val |= gpio_pins_bitmask;
  7873. bnx2x_cl45_write(bp, phy,
  7874. MDIO_PMA_DEVAD,
  7875. MDIO_PMA_REG_8727_GPIO_CTRL,
  7876. val);
  7877. }
  7878. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7879. struct link_params *params) {
  7880. u32 swap_val, swap_override;
  7881. u8 port;
  7882. /*
  7883. * The PHY reset is controlled by GPIO 1. Fake the port number
  7884. * to cancel the swap done in set_gpio()
  7885. */
  7886. struct bnx2x *bp = params->bp;
  7887. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7888. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7889. port = (swap_val && swap_override) ^ 1;
  7890. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7891. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7892. }
  7893. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7894. struct link_params *params,
  7895. struct link_vars *vars)
  7896. {
  7897. u32 tx_en_mode;
  7898. u16 tmp1, val, mod_abs, tmp2;
  7899. u16 rx_alarm_ctrl_val;
  7900. u16 lasi_ctrl_val;
  7901. struct bnx2x *bp = params->bp;
  7902. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7903. bnx2x_wait_reset_complete(bp, phy, params);
  7904. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7905. /* Should be 0x6 to enable XS on Tx side. */
  7906. lasi_ctrl_val = 0x0006;
  7907. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7908. /* enable LASI */
  7909. bnx2x_cl45_write(bp, phy,
  7910. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7911. rx_alarm_ctrl_val);
  7912. bnx2x_cl45_write(bp, phy,
  7913. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7914. 0);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7917. /*
  7918. * Initially configure MOD_ABS to interrupt when module is
  7919. * presence( bit 8)
  7920. */
  7921. bnx2x_cl45_read(bp, phy,
  7922. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7923. /*
  7924. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7925. * When the EDC is off it locks onto a reference clock and avoids
  7926. * becoming 'lost'
  7927. */
  7928. mod_abs &= ~(1<<8);
  7929. if (!(phy->flags & FLAGS_NOC))
  7930. mod_abs &= ~(1<<9);
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7933. /* Enable/Disable PHY transmitter output */
  7934. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7935. /* Make MOD_ABS give interrupt on change */
  7936. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7937. &val);
  7938. val |= (1<<12);
  7939. if (phy->flags & FLAGS_NOC)
  7940. val |= (3<<5);
  7941. /*
  7942. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7943. * status which reflect SFP+ module over-current
  7944. */
  7945. if (!(phy->flags & FLAGS_NOC))
  7946. val &= 0xff8f; /* Reset bits 4-6 */
  7947. bnx2x_cl45_write(bp, phy,
  7948. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7949. bnx2x_8727_power_module(bp, phy, 1);
  7950. bnx2x_cl45_read(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7952. bnx2x_cl45_read(bp, phy,
  7953. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7954. /* Set option 1G speed */
  7955. if (phy->req_line_speed == SPEED_1000) {
  7956. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7957. bnx2x_cl45_write(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7959. bnx2x_cl45_write(bp, phy,
  7960. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7961. bnx2x_cl45_read(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7963. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7964. /*
  7965. * Power down the XAUI until link is up in case of dual-media
  7966. * and 1G
  7967. */
  7968. if (DUAL_MEDIA(params)) {
  7969. bnx2x_cl45_read(bp, phy,
  7970. MDIO_PMA_DEVAD,
  7971. MDIO_PMA_REG_8727_PCS_GP, &val);
  7972. val |= (3<<10);
  7973. bnx2x_cl45_write(bp, phy,
  7974. MDIO_PMA_DEVAD,
  7975. MDIO_PMA_REG_8727_PCS_GP, val);
  7976. }
  7977. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7978. ((phy->speed_cap_mask &
  7979. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7980. ((phy->speed_cap_mask &
  7981. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7982. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7983. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7984. bnx2x_cl45_write(bp, phy,
  7985. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7986. bnx2x_cl45_write(bp, phy,
  7987. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7988. } else {
  7989. /*
  7990. * Since the 8727 has only single reset pin, need to set the 10G
  7991. * registers although it is default
  7992. */
  7993. bnx2x_cl45_write(bp, phy,
  7994. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7995. 0x0020);
  7996. bnx2x_cl45_write(bp, phy,
  7997. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8000. bnx2x_cl45_write(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8002. 0x0008);
  8003. }
  8004. /*
  8005. * Set 2-wire transfer rate of SFP+ module EEPROM
  8006. * to 100Khz since some DACs(direct attached cables) do
  8007. * not work at 400Khz.
  8008. */
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8011. 0xa001);
  8012. /* Set TX PreEmphasis if needed */
  8013. if ((params->feature_config_flags &
  8014. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8015. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8016. phy->tx_preemphasis[0],
  8017. phy->tx_preemphasis[1]);
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8020. phy->tx_preemphasis[0]);
  8021. bnx2x_cl45_write(bp, phy,
  8022. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8023. phy->tx_preemphasis[1]);
  8024. }
  8025. /*
  8026. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8027. * power mode, if TX Laser is disabled
  8028. */
  8029. tx_en_mode = REG_RD(bp, params->shmem_base +
  8030. offsetof(struct shmem_region,
  8031. dev_info.port_hw_config[params->port].sfp_ctrl))
  8032. & PORT_HW_CFG_TX_LASER_MASK;
  8033. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8034. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8035. bnx2x_cl45_read(bp, phy,
  8036. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8037. tmp2 |= 0x1000;
  8038. tmp2 &= 0xFFEF;
  8039. bnx2x_cl45_write(bp, phy,
  8040. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8041. }
  8042. return 0;
  8043. }
  8044. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8045. struct link_params *params)
  8046. {
  8047. struct bnx2x *bp = params->bp;
  8048. u16 mod_abs, rx_alarm_status;
  8049. u32 val = REG_RD(bp, params->shmem_base +
  8050. offsetof(struct shmem_region, dev_info.
  8051. port_feature_config[params->port].
  8052. config));
  8053. bnx2x_cl45_read(bp, phy,
  8054. MDIO_PMA_DEVAD,
  8055. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8056. if (mod_abs & (1<<8)) {
  8057. /* Module is absent */
  8058. DP(NETIF_MSG_LINK,
  8059. "MOD_ABS indication show module is absent\n");
  8060. phy->media_type = ETH_PHY_NOT_PRESENT;
  8061. /*
  8062. * 1. Set mod_abs to detect next module
  8063. * presence event
  8064. * 2. Set EDC off by setting OPTXLOS signal input to low
  8065. * (bit 9).
  8066. * When the EDC is off it locks onto a reference clock and
  8067. * avoids becoming 'lost'.
  8068. */
  8069. mod_abs &= ~(1<<8);
  8070. if (!(phy->flags & FLAGS_NOC))
  8071. mod_abs &= ~(1<<9);
  8072. bnx2x_cl45_write(bp, phy,
  8073. MDIO_PMA_DEVAD,
  8074. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8075. /*
  8076. * Clear RX alarm since it stays up as long as
  8077. * the mod_abs wasn't changed
  8078. */
  8079. bnx2x_cl45_read(bp, phy,
  8080. MDIO_PMA_DEVAD,
  8081. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8082. } else {
  8083. /* Module is present */
  8084. DP(NETIF_MSG_LINK,
  8085. "MOD_ABS indication show module is present\n");
  8086. /*
  8087. * First disable transmitter, and if the module is ok, the
  8088. * module_detection will enable it
  8089. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8090. * 2. Restore the default polarity of the OPRXLOS signal and
  8091. * this signal will then correctly indicate the presence or
  8092. * absence of the Rx signal. (bit 9)
  8093. */
  8094. mod_abs |= (1<<8);
  8095. if (!(phy->flags & FLAGS_NOC))
  8096. mod_abs |= (1<<9);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD,
  8099. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8100. /*
  8101. * Clear RX alarm since it stays up as long as the mod_abs
  8102. * wasn't changed. This is need to be done before calling the
  8103. * module detection, otherwise it will clear* the link update
  8104. * alarm
  8105. */
  8106. bnx2x_cl45_read(bp, phy,
  8107. MDIO_PMA_DEVAD,
  8108. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8109. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8110. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8111. bnx2x_sfp_set_transmitter(params, phy, 0);
  8112. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8113. bnx2x_sfp_module_detection(phy, params);
  8114. else
  8115. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8116. }
  8117. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8118. rx_alarm_status);
  8119. /* No need to check link status in case of module plugged in/out */
  8120. }
  8121. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8122. struct link_params *params,
  8123. struct link_vars *vars)
  8124. {
  8125. struct bnx2x *bp = params->bp;
  8126. u8 link_up = 0, oc_port = params->port;
  8127. u16 link_status = 0;
  8128. u16 rx_alarm_status, lasi_ctrl, val1;
  8129. /* If PHY is not initialized, do not check link status */
  8130. bnx2x_cl45_read(bp, phy,
  8131. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8132. &lasi_ctrl);
  8133. if (!lasi_ctrl)
  8134. return 0;
  8135. /* Check the LASI on Rx */
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8138. &rx_alarm_status);
  8139. vars->line_speed = 0;
  8140. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8141. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8142. MDIO_PMA_LASI_TXCTRL);
  8143. bnx2x_cl45_read(bp, phy,
  8144. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8145. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8146. /* Clear MSG-OUT */
  8147. bnx2x_cl45_read(bp, phy,
  8148. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8149. /*
  8150. * If a module is present and there is need to check
  8151. * for over current
  8152. */
  8153. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8154. /* Check over-current using 8727 GPIO0 input*/
  8155. bnx2x_cl45_read(bp, phy,
  8156. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8157. &val1);
  8158. if ((val1 & (1<<8)) == 0) {
  8159. if (!CHIP_IS_E1x(bp))
  8160. oc_port = BP_PATH(bp) + (params->port << 1);
  8161. DP(NETIF_MSG_LINK,
  8162. "8727 Power fault has been detected on port %d\n",
  8163. oc_port);
  8164. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8165. "been detected and the power to "
  8166. "that SFP+ module has been removed "
  8167. "to prevent failure of the card. "
  8168. "Please remove the SFP+ module and "
  8169. "restart the system to clear this "
  8170. "error.\n",
  8171. oc_port);
  8172. /* Disable all RX_ALARMs except for mod_abs */
  8173. bnx2x_cl45_write(bp, phy,
  8174. MDIO_PMA_DEVAD,
  8175. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8176. bnx2x_cl45_read(bp, phy,
  8177. MDIO_PMA_DEVAD,
  8178. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8179. /* Wait for module_absent_event */
  8180. val1 |= (1<<8);
  8181. bnx2x_cl45_write(bp, phy,
  8182. MDIO_PMA_DEVAD,
  8183. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8184. /* Clear RX alarm */
  8185. bnx2x_cl45_read(bp, phy,
  8186. MDIO_PMA_DEVAD,
  8187. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8188. return 0;
  8189. }
  8190. } /* Over current check */
  8191. /* When module absent bit is set, check module */
  8192. if (rx_alarm_status & (1<<5)) {
  8193. bnx2x_8727_handle_mod_abs(phy, params);
  8194. /* Enable all mod_abs and link detection bits */
  8195. bnx2x_cl45_write(bp, phy,
  8196. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8197. ((1<<5) | (1<<2)));
  8198. }
  8199. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8200. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8201. /* If transmitter is disabled, ignore false link up indication */
  8202. bnx2x_cl45_read(bp, phy,
  8203. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8204. if (val1 & (1<<15)) {
  8205. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8206. return 0;
  8207. }
  8208. bnx2x_cl45_read(bp, phy,
  8209. MDIO_PMA_DEVAD,
  8210. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8211. /*
  8212. * Bits 0..2 --> speed detected,
  8213. * Bits 13..15--> link is down
  8214. */
  8215. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8216. link_up = 1;
  8217. vars->line_speed = SPEED_10000;
  8218. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8219. params->port);
  8220. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8221. link_up = 1;
  8222. vars->line_speed = SPEED_1000;
  8223. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8224. params->port);
  8225. } else {
  8226. link_up = 0;
  8227. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8228. params->port);
  8229. }
  8230. /* Capture 10G link fault. */
  8231. if (vars->line_speed == SPEED_10000) {
  8232. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8233. MDIO_PMA_LASI_TXSTAT, &val1);
  8234. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8235. MDIO_PMA_LASI_TXSTAT, &val1);
  8236. if (val1 & (1<<0)) {
  8237. vars->fault_detected = 1;
  8238. }
  8239. }
  8240. if (link_up) {
  8241. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8242. vars->duplex = DUPLEX_FULL;
  8243. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8244. }
  8245. if ((DUAL_MEDIA(params)) &&
  8246. (phy->req_line_speed == SPEED_1000)) {
  8247. bnx2x_cl45_read(bp, phy,
  8248. MDIO_PMA_DEVAD,
  8249. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8250. /*
  8251. * In case of dual-media board and 1G, power up the XAUI side,
  8252. * otherwise power it down. For 10G it is done automatically
  8253. */
  8254. if (link_up)
  8255. val1 &= ~(3<<10);
  8256. else
  8257. val1 |= (3<<10);
  8258. bnx2x_cl45_write(bp, phy,
  8259. MDIO_PMA_DEVAD,
  8260. MDIO_PMA_REG_8727_PCS_GP, val1);
  8261. }
  8262. return link_up;
  8263. }
  8264. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8265. struct link_params *params)
  8266. {
  8267. struct bnx2x *bp = params->bp;
  8268. /* Enable/Disable PHY transmitter output */
  8269. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8270. /* Disable Transmitter */
  8271. bnx2x_sfp_set_transmitter(params, phy, 0);
  8272. /* Clear LASI */
  8273. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8274. }
  8275. /******************************************************************/
  8276. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8277. /******************************************************************/
  8278. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8279. struct bnx2x *bp,
  8280. u8 port)
  8281. {
  8282. u16 val, fw_ver1, fw_ver2, cnt;
  8283. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8284. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8285. bnx2x_save_spirom_version(bp, port,
  8286. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8287. phy->ver_addr);
  8288. } else {
  8289. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8290. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8291. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8292. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8293. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8294. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8295. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8296. for (cnt = 0; cnt < 100; cnt++) {
  8297. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8298. if (val & 1)
  8299. break;
  8300. udelay(5);
  8301. }
  8302. if (cnt == 100) {
  8303. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8304. "phy fw version(1)\n");
  8305. bnx2x_save_spirom_version(bp, port, 0,
  8306. phy->ver_addr);
  8307. return;
  8308. }
  8309. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8310. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8311. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8312. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8313. for (cnt = 0; cnt < 100; cnt++) {
  8314. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8315. if (val & 1)
  8316. break;
  8317. udelay(5);
  8318. }
  8319. if (cnt == 100) {
  8320. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8321. "version(2)\n");
  8322. bnx2x_save_spirom_version(bp, port, 0,
  8323. phy->ver_addr);
  8324. return;
  8325. }
  8326. /* lower 16 bits of the register SPI_FW_STATUS */
  8327. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8328. /* upper 16 bits of register SPI_FW_STATUS */
  8329. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8330. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8331. phy->ver_addr);
  8332. }
  8333. }
  8334. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8335. struct bnx2x_phy *phy)
  8336. {
  8337. u16 val, offset;
  8338. /* PHYC_CTL_LED_CTL */
  8339. bnx2x_cl45_read(bp, phy,
  8340. MDIO_PMA_DEVAD,
  8341. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8342. val &= 0xFE00;
  8343. val |= 0x0092;
  8344. bnx2x_cl45_write(bp, phy,
  8345. MDIO_PMA_DEVAD,
  8346. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8347. bnx2x_cl45_write(bp, phy,
  8348. MDIO_PMA_DEVAD,
  8349. MDIO_PMA_REG_8481_LED1_MASK,
  8350. 0x80);
  8351. bnx2x_cl45_write(bp, phy,
  8352. MDIO_PMA_DEVAD,
  8353. MDIO_PMA_REG_8481_LED2_MASK,
  8354. 0x18);
  8355. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8356. bnx2x_cl45_write(bp, phy,
  8357. MDIO_PMA_DEVAD,
  8358. MDIO_PMA_REG_8481_LED3_MASK,
  8359. 0x0006);
  8360. /* Select the closest activity blink rate to that in 10/100/1000 */
  8361. bnx2x_cl45_write(bp, phy,
  8362. MDIO_PMA_DEVAD,
  8363. MDIO_PMA_REG_8481_LED3_BLINK,
  8364. 0);
  8365. /* Configure the blink rate to ~15.9 Hz */
  8366. bnx2x_cl45_write(bp, phy,
  8367. MDIO_PMA_DEVAD,
  8368. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8369. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8370. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8371. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8372. else
  8373. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8374. bnx2x_cl45_read(bp, phy,
  8375. MDIO_PMA_DEVAD, offset, &val);
  8376. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8377. bnx2x_cl45_write(bp, phy,
  8378. MDIO_PMA_DEVAD, offset, val);
  8379. /* 'Interrupt Mask' */
  8380. bnx2x_cl45_write(bp, phy,
  8381. MDIO_AN_DEVAD,
  8382. 0xFFFB, 0xFFFD);
  8383. }
  8384. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8385. struct link_params *params,
  8386. struct link_vars *vars)
  8387. {
  8388. struct bnx2x *bp = params->bp;
  8389. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8390. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8391. /* Save spirom version */
  8392. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8393. }
  8394. /*
  8395. * This phy uses the NIG latch mechanism since link indication
  8396. * arrives through its LED4 and not via its LASI signal, so we
  8397. * get steady signal instead of clear on read
  8398. */
  8399. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8400. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8401. bnx2x_cl45_write(bp, phy,
  8402. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8403. bnx2x_848xx_set_led(bp, phy);
  8404. /* set 1000 speed advertisement */
  8405. bnx2x_cl45_read(bp, phy,
  8406. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8407. &an_1000_val);
  8408. bnx2x_ext_phy_set_pause(params, phy, vars);
  8409. bnx2x_cl45_read(bp, phy,
  8410. MDIO_AN_DEVAD,
  8411. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8412. &an_10_100_val);
  8413. bnx2x_cl45_read(bp, phy,
  8414. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8415. &autoneg_val);
  8416. /* Disable forced speed */
  8417. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8418. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8419. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8420. (phy->speed_cap_mask &
  8421. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8422. (phy->req_line_speed == SPEED_1000)) {
  8423. an_1000_val |= (1<<8);
  8424. autoneg_val |= (1<<9 | 1<<12);
  8425. if (phy->req_duplex == DUPLEX_FULL)
  8426. an_1000_val |= (1<<9);
  8427. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8428. } else
  8429. an_1000_val &= ~((1<<8) | (1<<9));
  8430. bnx2x_cl45_write(bp, phy,
  8431. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8432. an_1000_val);
  8433. /* set 100 speed advertisement */
  8434. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8435. (phy->speed_cap_mask &
  8436. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8437. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8438. an_10_100_val |= (1<<7);
  8439. /* Enable autoneg and restart autoneg for legacy speeds */
  8440. autoneg_val |= (1<<9 | 1<<12);
  8441. if (phy->req_duplex == DUPLEX_FULL)
  8442. an_10_100_val |= (1<<8);
  8443. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8444. }
  8445. /* set 10 speed advertisement */
  8446. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8447. (phy->speed_cap_mask &
  8448. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8449. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8450. (phy->supported &
  8451. (SUPPORTED_10baseT_Half |
  8452. SUPPORTED_10baseT_Full)))) {
  8453. an_10_100_val |= (1<<5);
  8454. autoneg_val |= (1<<9 | 1<<12);
  8455. if (phy->req_duplex == DUPLEX_FULL)
  8456. an_10_100_val |= (1<<6);
  8457. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8458. }
  8459. /* Only 10/100 are allowed to work in FORCE mode */
  8460. if ((phy->req_line_speed == SPEED_100) &&
  8461. (phy->supported &
  8462. (SUPPORTED_100baseT_Half |
  8463. SUPPORTED_100baseT_Full))) {
  8464. autoneg_val |= (1<<13);
  8465. /* Enabled AUTO-MDIX when autoneg is disabled */
  8466. bnx2x_cl45_write(bp, phy,
  8467. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8468. (1<<15 | 1<<9 | 7<<0));
  8469. /* The PHY needs this set even for forced link. */
  8470. an_10_100_val |= (1<<8) | (1<<7);
  8471. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8472. }
  8473. if ((phy->req_line_speed == SPEED_10) &&
  8474. (phy->supported &
  8475. (SUPPORTED_10baseT_Half |
  8476. SUPPORTED_10baseT_Full))) {
  8477. /* Enabled AUTO-MDIX when autoneg is disabled */
  8478. bnx2x_cl45_write(bp, phy,
  8479. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8480. (1<<15 | 1<<9 | 7<<0));
  8481. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8482. }
  8483. bnx2x_cl45_write(bp, phy,
  8484. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8485. an_10_100_val);
  8486. if (phy->req_duplex == DUPLEX_FULL)
  8487. autoneg_val |= (1<<8);
  8488. /*
  8489. * Always write this if this is not 84833.
  8490. * For 84833, write it only when it's a forced speed.
  8491. */
  8492. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8493. ((autoneg_val & (1<<12)) == 0))
  8494. bnx2x_cl45_write(bp, phy,
  8495. MDIO_AN_DEVAD,
  8496. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8497. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8498. (phy->speed_cap_mask &
  8499. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8500. (phy->req_line_speed == SPEED_10000)) {
  8501. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8502. /* Restart autoneg for 10G*/
  8503. bnx2x_cl45_read(bp, phy,
  8504. MDIO_AN_DEVAD,
  8505. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8506. &an_10g_val);
  8507. bnx2x_cl45_write(bp, phy,
  8508. MDIO_AN_DEVAD,
  8509. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8510. an_10g_val | 0x1000);
  8511. bnx2x_cl45_write(bp, phy,
  8512. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8513. 0x3200);
  8514. } else
  8515. bnx2x_cl45_write(bp, phy,
  8516. MDIO_AN_DEVAD,
  8517. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8518. 1);
  8519. return 0;
  8520. }
  8521. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8522. struct link_params *params,
  8523. struct link_vars *vars)
  8524. {
  8525. struct bnx2x *bp = params->bp;
  8526. /* Restore normal power mode*/
  8527. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8528. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8529. /* HW reset */
  8530. bnx2x_ext_phy_hw_reset(bp, params->port);
  8531. bnx2x_wait_reset_complete(bp, phy, params);
  8532. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8533. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8534. }
  8535. #define PHY84833_CMDHDLR_WAIT 300
  8536. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8537. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8538. struct link_params *params,
  8539. u16 fw_cmd,
  8540. u16 cmd_args[])
  8541. {
  8542. u32 idx;
  8543. u16 val;
  8544. struct bnx2x *bp = params->bp;
  8545. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8546. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8547. MDIO_84833_CMD_HDLR_STATUS,
  8548. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8549. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8550. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8551. MDIO_84833_CMD_HDLR_STATUS, &val);
  8552. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8553. break;
  8554. msleep(1);
  8555. }
  8556. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8557. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8558. return -EINVAL;
  8559. }
  8560. /* Prepare argument(s) and issue command */
  8561. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8562. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8563. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8564. cmd_args[idx]);
  8565. }
  8566. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8567. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8568. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8569. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8570. MDIO_84833_CMD_HDLR_STATUS, &val);
  8571. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8572. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8573. break;
  8574. msleep(1);
  8575. }
  8576. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8577. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8578. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8579. return -EINVAL;
  8580. }
  8581. /* Gather returning data */
  8582. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8583. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8584. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8585. &cmd_args[idx]);
  8586. }
  8587. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8588. MDIO_84833_CMD_HDLR_STATUS,
  8589. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8590. return 0;
  8591. }
  8592. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8593. struct link_params *params,
  8594. struct link_vars *vars)
  8595. {
  8596. u32 pair_swap;
  8597. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8598. int status;
  8599. struct bnx2x *bp = params->bp;
  8600. /* Check for configuration. */
  8601. pair_swap = REG_RD(bp, params->shmem_base +
  8602. offsetof(struct shmem_region,
  8603. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8604. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8605. if (pair_swap == 0)
  8606. return 0;
  8607. /* Only the second argument is used for this command */
  8608. data[1] = (u16)pair_swap;
  8609. status = bnx2x_84833_cmd_hdlr(phy, params,
  8610. PHY84833_CMD_SET_PAIR_SWAP, data);
  8611. if (status == 0)
  8612. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8613. return status;
  8614. }
  8615. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8616. u32 shmem_base_path[],
  8617. u32 chip_id)
  8618. {
  8619. u32 reset_pin[2];
  8620. u32 idx;
  8621. u8 reset_gpios;
  8622. if (CHIP_IS_E3(bp)) {
  8623. /* Assume that these will be GPIOs, not EPIOs. */
  8624. for (idx = 0; idx < 2; idx++) {
  8625. /* Map config param to register bit. */
  8626. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8627. offsetof(struct shmem_region,
  8628. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8629. reset_pin[idx] = (reset_pin[idx] &
  8630. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8631. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8632. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8633. reset_pin[idx] = (1 << reset_pin[idx]);
  8634. }
  8635. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8636. } else {
  8637. /* E2, look from diff place of shmem. */
  8638. for (idx = 0; idx < 2; idx++) {
  8639. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8640. offsetof(struct shmem_region,
  8641. dev_info.port_hw_config[0].default_cfg));
  8642. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8643. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8644. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8645. reset_pin[idx] = (1 << reset_pin[idx]);
  8646. }
  8647. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8648. }
  8649. return reset_gpios;
  8650. }
  8651. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8652. struct link_params *params)
  8653. {
  8654. struct bnx2x *bp = params->bp;
  8655. u8 reset_gpios;
  8656. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8657. offsetof(struct shmem2_region,
  8658. other_shmem_base_addr));
  8659. u32 shmem_base_path[2];
  8660. shmem_base_path[0] = params->shmem_base;
  8661. shmem_base_path[1] = other_shmem_base_addr;
  8662. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8663. params->chip_id);
  8664. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8665. udelay(10);
  8666. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8667. reset_gpios);
  8668. return 0;
  8669. }
  8670. #define PHY84833_CONSTANT_LATENCY 1193
  8671. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8672. struct link_params *params,
  8673. struct link_vars *vars)
  8674. {
  8675. struct bnx2x *bp = params->bp;
  8676. u8 port, initialize = 1;
  8677. u16 val;
  8678. u32 actual_phy_selection, cms_enable;
  8679. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8680. int rc = 0;
  8681. msleep(1);
  8682. if (!(CHIP_IS_E1(bp)))
  8683. port = BP_PATH(bp);
  8684. else
  8685. port = params->port;
  8686. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8687. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8688. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8689. port);
  8690. } else {
  8691. /* MDIO reset */
  8692. bnx2x_cl45_write(bp, phy,
  8693. MDIO_PMA_DEVAD,
  8694. MDIO_PMA_REG_CTRL, 0x8000);
  8695. }
  8696. bnx2x_wait_reset_complete(bp, phy, params);
  8697. /* Wait for GPHY to come out of reset */
  8698. msleep(50);
  8699. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8700. /*
  8701. * BCM84823 requires that XGXS links up first @ 10G for normal
  8702. * behavior.
  8703. */
  8704. u16 temp;
  8705. temp = vars->line_speed;
  8706. vars->line_speed = SPEED_10000;
  8707. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8708. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8709. vars->line_speed = temp;
  8710. }
  8711. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8712. MDIO_CTL_REG_84823_MEDIA, &val);
  8713. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8714. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8715. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8716. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8717. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8718. if (CHIP_IS_E3(bp)) {
  8719. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8720. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8721. } else {
  8722. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8723. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8724. }
  8725. actual_phy_selection = bnx2x_phy_selection(params);
  8726. switch (actual_phy_selection) {
  8727. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8728. /* Do nothing. Essentially this is like the priority copper */
  8729. break;
  8730. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8731. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8732. break;
  8733. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8734. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8735. break;
  8736. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8737. /* Do nothing here. The first PHY won't be initialized at all */
  8738. break;
  8739. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8740. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8741. initialize = 0;
  8742. break;
  8743. }
  8744. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8745. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8746. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8747. MDIO_CTL_REG_84823_MEDIA, val);
  8748. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8749. params->multi_phy_config, val);
  8750. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8751. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8752. /* Keep AutogrEEEn disabled. */
  8753. cmd_args[0] = 0x0;
  8754. cmd_args[1] = 0x0;
  8755. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8756. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8757. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8758. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8759. if (rc != 0)
  8760. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8761. }
  8762. if (initialize)
  8763. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8764. else
  8765. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8766. /* 84833 PHY has a better feature and doesn't need to support this. */
  8767. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8768. cms_enable = REG_RD(bp, params->shmem_base +
  8769. offsetof(struct shmem_region,
  8770. dev_info.port_hw_config[params->port].default_cfg)) &
  8771. PORT_HW_CFG_ENABLE_CMS_MASK;
  8772. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8773. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8774. if (cms_enable)
  8775. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8776. else
  8777. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8778. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8779. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8780. }
  8781. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8782. /* Bring PHY out of super isolate mode as the final step. */
  8783. bnx2x_cl45_read(bp, phy,
  8784. MDIO_CTL_DEVAD,
  8785. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8786. val &= ~MDIO_84833_SUPER_ISOLATE;
  8787. bnx2x_cl45_write(bp, phy,
  8788. MDIO_CTL_DEVAD,
  8789. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8790. }
  8791. return rc;
  8792. }
  8793. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8794. struct link_params *params,
  8795. struct link_vars *vars)
  8796. {
  8797. struct bnx2x *bp = params->bp;
  8798. u16 val, val1, val2;
  8799. u8 link_up = 0;
  8800. /* Check 10G-BaseT link status */
  8801. /* Check PMD signal ok */
  8802. bnx2x_cl45_read(bp, phy,
  8803. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8804. bnx2x_cl45_read(bp, phy,
  8805. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8806. &val2);
  8807. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8808. /* Check link 10G */
  8809. if (val2 & (1<<11)) {
  8810. vars->line_speed = SPEED_10000;
  8811. vars->duplex = DUPLEX_FULL;
  8812. link_up = 1;
  8813. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8814. } else { /* Check Legacy speed link */
  8815. u16 legacy_status, legacy_speed;
  8816. /* Enable expansion register 0x42 (Operation mode status) */
  8817. bnx2x_cl45_write(bp, phy,
  8818. MDIO_AN_DEVAD,
  8819. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8820. /* Get legacy speed operation status */
  8821. bnx2x_cl45_read(bp, phy,
  8822. MDIO_AN_DEVAD,
  8823. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8824. &legacy_status);
  8825. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8826. legacy_status);
  8827. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8828. if (link_up) {
  8829. legacy_speed = (legacy_status & (3<<9));
  8830. if (legacy_speed == (0<<9))
  8831. vars->line_speed = SPEED_10;
  8832. else if (legacy_speed == (1<<9))
  8833. vars->line_speed = SPEED_100;
  8834. else if (legacy_speed == (2<<9))
  8835. vars->line_speed = SPEED_1000;
  8836. else /* Should not happen */
  8837. vars->line_speed = 0;
  8838. if (legacy_status & (1<<8))
  8839. vars->duplex = DUPLEX_FULL;
  8840. else
  8841. vars->duplex = DUPLEX_HALF;
  8842. DP(NETIF_MSG_LINK,
  8843. "Link is up in %dMbps, is_duplex_full= %d\n",
  8844. vars->line_speed,
  8845. (vars->duplex == DUPLEX_FULL));
  8846. /* Check legacy speed AN resolution */
  8847. bnx2x_cl45_read(bp, phy,
  8848. MDIO_AN_DEVAD,
  8849. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8850. &val);
  8851. if (val & (1<<5))
  8852. vars->link_status |=
  8853. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8854. bnx2x_cl45_read(bp, phy,
  8855. MDIO_AN_DEVAD,
  8856. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8857. &val);
  8858. if ((val & (1<<0)) == 0)
  8859. vars->link_status |=
  8860. LINK_STATUS_PARALLEL_DETECTION_USED;
  8861. }
  8862. }
  8863. if (link_up) {
  8864. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8865. vars->line_speed);
  8866. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8867. /* Read LP advertised speeds */
  8868. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8869. MDIO_AN_REG_CL37_FC_LP, &val);
  8870. if (val & (1<<5))
  8871. vars->link_status |=
  8872. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8873. if (val & (1<<6))
  8874. vars->link_status |=
  8875. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8876. if (val & (1<<7))
  8877. vars->link_status |=
  8878. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8879. if (val & (1<<8))
  8880. vars->link_status |=
  8881. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8882. if (val & (1<<9))
  8883. vars->link_status |=
  8884. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8885. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8886. MDIO_AN_REG_1000T_STATUS, &val);
  8887. if (val & (1<<10))
  8888. vars->link_status |=
  8889. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8890. if (val & (1<<11))
  8891. vars->link_status |=
  8892. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8893. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8894. MDIO_AN_REG_MASTER_STATUS, &val);
  8895. if (val & (1<<11))
  8896. vars->link_status |=
  8897. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8898. }
  8899. return link_up;
  8900. }
  8901. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8902. {
  8903. int status = 0;
  8904. u32 spirom_ver;
  8905. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8906. status = bnx2x_format_ver(spirom_ver, str, len);
  8907. return status;
  8908. }
  8909. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8910. struct link_params *params)
  8911. {
  8912. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8913. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8914. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8915. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8916. }
  8917. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8918. struct link_params *params)
  8919. {
  8920. bnx2x_cl45_write(params->bp, phy,
  8921. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8922. bnx2x_cl45_write(params->bp, phy,
  8923. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8924. }
  8925. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8926. struct link_params *params)
  8927. {
  8928. struct bnx2x *bp = params->bp;
  8929. u8 port;
  8930. u16 val16;
  8931. if (!(CHIP_IS_E1(bp)))
  8932. port = BP_PATH(bp);
  8933. else
  8934. port = params->port;
  8935. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8936. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8937. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8938. port);
  8939. } else {
  8940. bnx2x_cl45_read(bp, phy,
  8941. MDIO_CTL_DEVAD,
  8942. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8943. val16 |= MDIO_84833_SUPER_ISOLATE;
  8944. bnx2x_cl45_write(bp, phy,
  8945. MDIO_CTL_DEVAD,
  8946. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8947. }
  8948. }
  8949. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8950. struct link_params *params, u8 mode)
  8951. {
  8952. struct bnx2x *bp = params->bp;
  8953. u16 val;
  8954. u8 port;
  8955. if (!(CHIP_IS_E1(bp)))
  8956. port = BP_PATH(bp);
  8957. else
  8958. port = params->port;
  8959. switch (mode) {
  8960. case LED_MODE_OFF:
  8961. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8962. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8963. SHARED_HW_CFG_LED_EXTPHY1) {
  8964. /* Set LED masks */
  8965. bnx2x_cl45_write(bp, phy,
  8966. MDIO_PMA_DEVAD,
  8967. MDIO_PMA_REG_8481_LED1_MASK,
  8968. 0x0);
  8969. bnx2x_cl45_write(bp, phy,
  8970. MDIO_PMA_DEVAD,
  8971. MDIO_PMA_REG_8481_LED2_MASK,
  8972. 0x0);
  8973. bnx2x_cl45_write(bp, phy,
  8974. MDIO_PMA_DEVAD,
  8975. MDIO_PMA_REG_8481_LED3_MASK,
  8976. 0x0);
  8977. bnx2x_cl45_write(bp, phy,
  8978. MDIO_PMA_DEVAD,
  8979. MDIO_PMA_REG_8481_LED5_MASK,
  8980. 0x0);
  8981. } else {
  8982. bnx2x_cl45_write(bp, phy,
  8983. MDIO_PMA_DEVAD,
  8984. MDIO_PMA_REG_8481_LED1_MASK,
  8985. 0x0);
  8986. }
  8987. break;
  8988. case LED_MODE_FRONT_PANEL_OFF:
  8989. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8990. port);
  8991. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8992. SHARED_HW_CFG_LED_EXTPHY1) {
  8993. /* Set LED masks */
  8994. bnx2x_cl45_write(bp, phy,
  8995. MDIO_PMA_DEVAD,
  8996. MDIO_PMA_REG_8481_LED1_MASK,
  8997. 0x0);
  8998. bnx2x_cl45_write(bp, phy,
  8999. MDIO_PMA_DEVAD,
  9000. MDIO_PMA_REG_8481_LED2_MASK,
  9001. 0x0);
  9002. bnx2x_cl45_write(bp, phy,
  9003. MDIO_PMA_DEVAD,
  9004. MDIO_PMA_REG_8481_LED3_MASK,
  9005. 0x0);
  9006. bnx2x_cl45_write(bp, phy,
  9007. MDIO_PMA_DEVAD,
  9008. MDIO_PMA_REG_8481_LED5_MASK,
  9009. 0x20);
  9010. } else {
  9011. bnx2x_cl45_write(bp, phy,
  9012. MDIO_PMA_DEVAD,
  9013. MDIO_PMA_REG_8481_LED1_MASK,
  9014. 0x0);
  9015. }
  9016. break;
  9017. case LED_MODE_ON:
  9018. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9019. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9020. SHARED_HW_CFG_LED_EXTPHY1) {
  9021. /* Set control reg */
  9022. bnx2x_cl45_read(bp, phy,
  9023. MDIO_PMA_DEVAD,
  9024. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9025. &val);
  9026. val &= 0x8000;
  9027. val |= 0x2492;
  9028. bnx2x_cl45_write(bp, phy,
  9029. MDIO_PMA_DEVAD,
  9030. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9031. val);
  9032. /* Set LED masks */
  9033. bnx2x_cl45_write(bp, phy,
  9034. MDIO_PMA_DEVAD,
  9035. MDIO_PMA_REG_8481_LED1_MASK,
  9036. 0x0);
  9037. bnx2x_cl45_write(bp, phy,
  9038. MDIO_PMA_DEVAD,
  9039. MDIO_PMA_REG_8481_LED2_MASK,
  9040. 0x20);
  9041. bnx2x_cl45_write(bp, phy,
  9042. MDIO_PMA_DEVAD,
  9043. MDIO_PMA_REG_8481_LED3_MASK,
  9044. 0x20);
  9045. bnx2x_cl45_write(bp, phy,
  9046. MDIO_PMA_DEVAD,
  9047. MDIO_PMA_REG_8481_LED5_MASK,
  9048. 0x0);
  9049. } else {
  9050. bnx2x_cl45_write(bp, phy,
  9051. MDIO_PMA_DEVAD,
  9052. MDIO_PMA_REG_8481_LED1_MASK,
  9053. 0x20);
  9054. }
  9055. break;
  9056. case LED_MODE_OPER:
  9057. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9058. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9059. SHARED_HW_CFG_LED_EXTPHY1) {
  9060. /* Set control reg */
  9061. bnx2x_cl45_read(bp, phy,
  9062. MDIO_PMA_DEVAD,
  9063. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9064. &val);
  9065. if (!((val &
  9066. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9067. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9068. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9069. bnx2x_cl45_write(bp, phy,
  9070. MDIO_PMA_DEVAD,
  9071. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9072. 0xa492);
  9073. }
  9074. /* Set LED masks */
  9075. bnx2x_cl45_write(bp, phy,
  9076. MDIO_PMA_DEVAD,
  9077. MDIO_PMA_REG_8481_LED1_MASK,
  9078. 0x10);
  9079. bnx2x_cl45_write(bp, phy,
  9080. MDIO_PMA_DEVAD,
  9081. MDIO_PMA_REG_8481_LED2_MASK,
  9082. 0x80);
  9083. bnx2x_cl45_write(bp, phy,
  9084. MDIO_PMA_DEVAD,
  9085. MDIO_PMA_REG_8481_LED3_MASK,
  9086. 0x98);
  9087. bnx2x_cl45_write(bp, phy,
  9088. MDIO_PMA_DEVAD,
  9089. MDIO_PMA_REG_8481_LED5_MASK,
  9090. 0x40);
  9091. } else {
  9092. bnx2x_cl45_write(bp, phy,
  9093. MDIO_PMA_DEVAD,
  9094. MDIO_PMA_REG_8481_LED1_MASK,
  9095. 0x80);
  9096. /* Tell LED3 to blink on source */
  9097. bnx2x_cl45_read(bp, phy,
  9098. MDIO_PMA_DEVAD,
  9099. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9100. &val);
  9101. val &= ~(7<<6);
  9102. val |= (1<<6); /* A83B[8:6]= 1 */
  9103. bnx2x_cl45_write(bp, phy,
  9104. MDIO_PMA_DEVAD,
  9105. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9106. val);
  9107. }
  9108. break;
  9109. }
  9110. /*
  9111. * This is a workaround for E3+84833 until autoneg
  9112. * restart is fixed in f/w
  9113. */
  9114. if (CHIP_IS_E3(bp)) {
  9115. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9116. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9117. }
  9118. }
  9119. /******************************************************************/
  9120. /* 54618SE PHY SECTION */
  9121. /******************************************************************/
  9122. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9123. struct link_params *params,
  9124. struct link_vars *vars)
  9125. {
  9126. struct bnx2x *bp = params->bp;
  9127. u8 port;
  9128. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9129. u32 cfg_pin;
  9130. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9131. usleep_range(1000, 1000);
  9132. /*
  9133. * This works with E3 only, no need to check the chip
  9134. * before determining the port.
  9135. */
  9136. port = params->port;
  9137. cfg_pin = (REG_RD(bp, params->shmem_base +
  9138. offsetof(struct shmem_region,
  9139. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9140. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9141. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9142. /* Drive pin high to bring the GPHY out of reset. */
  9143. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9144. /* wait for GPHY to reset */
  9145. msleep(50);
  9146. /* reset phy */
  9147. bnx2x_cl22_write(bp, phy,
  9148. MDIO_PMA_REG_CTRL, 0x8000);
  9149. bnx2x_wait_reset_complete(bp, phy, params);
  9150. /*wait for GPHY to reset */
  9151. msleep(50);
  9152. /* Configure LED4: set to INTR (0x6). */
  9153. /* Accessing shadow register 0xe. */
  9154. bnx2x_cl22_write(bp, phy,
  9155. MDIO_REG_GPHY_SHADOW,
  9156. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9157. bnx2x_cl22_read(bp, phy,
  9158. MDIO_REG_GPHY_SHADOW,
  9159. &temp);
  9160. temp &= ~(0xf << 4);
  9161. temp |= (0x6 << 4);
  9162. bnx2x_cl22_write(bp, phy,
  9163. MDIO_REG_GPHY_SHADOW,
  9164. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9165. /* Configure INTR based on link status change. */
  9166. bnx2x_cl22_write(bp, phy,
  9167. MDIO_REG_INTR_MASK,
  9168. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9169. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9170. bnx2x_cl22_write(bp, phy,
  9171. MDIO_REG_GPHY_SHADOW,
  9172. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9173. bnx2x_cl22_read(bp, phy,
  9174. MDIO_REG_GPHY_SHADOW,
  9175. &temp);
  9176. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9177. bnx2x_cl22_write(bp, phy,
  9178. MDIO_REG_GPHY_SHADOW,
  9179. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9180. /* Set up fc */
  9181. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9182. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9183. fc_val = 0;
  9184. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9185. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9186. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9187. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9188. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9189. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9190. /* read all advertisement */
  9191. bnx2x_cl22_read(bp, phy,
  9192. 0x09,
  9193. &an_1000_val);
  9194. bnx2x_cl22_read(bp, phy,
  9195. 0x04,
  9196. &an_10_100_val);
  9197. bnx2x_cl22_read(bp, phy,
  9198. MDIO_PMA_REG_CTRL,
  9199. &autoneg_val);
  9200. /* Disable forced speed */
  9201. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9202. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9203. (1<<11));
  9204. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9205. (phy->speed_cap_mask &
  9206. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9207. (phy->req_line_speed == SPEED_1000)) {
  9208. an_1000_val |= (1<<8);
  9209. autoneg_val |= (1<<9 | 1<<12);
  9210. if (phy->req_duplex == DUPLEX_FULL)
  9211. an_1000_val |= (1<<9);
  9212. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9213. } else
  9214. an_1000_val &= ~((1<<8) | (1<<9));
  9215. bnx2x_cl22_write(bp, phy,
  9216. 0x09,
  9217. an_1000_val);
  9218. bnx2x_cl22_read(bp, phy,
  9219. 0x09,
  9220. &an_1000_val);
  9221. /* set 100 speed advertisement */
  9222. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9223. (phy->speed_cap_mask &
  9224. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9225. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9226. an_10_100_val |= (1<<7);
  9227. /* Enable autoneg and restart autoneg for legacy speeds */
  9228. autoneg_val |= (1<<9 | 1<<12);
  9229. if (phy->req_duplex == DUPLEX_FULL)
  9230. an_10_100_val |= (1<<8);
  9231. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9232. }
  9233. /* set 10 speed advertisement */
  9234. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9235. (phy->speed_cap_mask &
  9236. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9237. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9238. an_10_100_val |= (1<<5);
  9239. autoneg_val |= (1<<9 | 1<<12);
  9240. if (phy->req_duplex == DUPLEX_FULL)
  9241. an_10_100_val |= (1<<6);
  9242. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9243. }
  9244. /* Only 10/100 are allowed to work in FORCE mode */
  9245. if (phy->req_line_speed == SPEED_100) {
  9246. autoneg_val |= (1<<13);
  9247. /* Enabled AUTO-MDIX when autoneg is disabled */
  9248. bnx2x_cl22_write(bp, phy,
  9249. 0x18,
  9250. (1<<15 | 1<<9 | 7<<0));
  9251. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9252. }
  9253. if (phy->req_line_speed == SPEED_10) {
  9254. /* Enabled AUTO-MDIX when autoneg is disabled */
  9255. bnx2x_cl22_write(bp, phy,
  9256. 0x18,
  9257. (1<<15 | 1<<9 | 7<<0));
  9258. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9259. }
  9260. /* Check if we should turn on Auto-GrEEEn */
  9261. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9262. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9263. if (params->feature_config_flags &
  9264. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9265. temp = 6;
  9266. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9267. } else {
  9268. temp = 0;
  9269. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9270. }
  9271. bnx2x_cl22_write(bp, phy,
  9272. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9273. bnx2x_cl22_write(bp, phy,
  9274. MDIO_REG_GPHY_CL45_DATA_REG,
  9275. MDIO_REG_GPHY_EEE_ADV);
  9276. bnx2x_cl22_write(bp, phy,
  9277. MDIO_REG_GPHY_CL45_ADDR_REG,
  9278. (0x1 << 14) | MDIO_AN_DEVAD);
  9279. bnx2x_cl22_write(bp, phy,
  9280. MDIO_REG_GPHY_CL45_DATA_REG,
  9281. temp);
  9282. }
  9283. bnx2x_cl22_write(bp, phy,
  9284. 0x04,
  9285. an_10_100_val | fc_val);
  9286. if (phy->req_duplex == DUPLEX_FULL)
  9287. autoneg_val |= (1<<8);
  9288. bnx2x_cl22_write(bp, phy,
  9289. MDIO_PMA_REG_CTRL, autoneg_val);
  9290. return 0;
  9291. }
  9292. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9293. struct link_params *params, u8 mode)
  9294. {
  9295. struct bnx2x *bp = params->bp;
  9296. u16 temp;
  9297. bnx2x_cl22_write(bp, phy,
  9298. MDIO_REG_GPHY_SHADOW,
  9299. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9300. bnx2x_cl22_read(bp, phy,
  9301. MDIO_REG_GPHY_SHADOW,
  9302. &temp);
  9303. temp &= 0xff00;
  9304. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9305. switch (mode) {
  9306. case LED_MODE_FRONT_PANEL_OFF:
  9307. case LED_MODE_OFF:
  9308. temp |= 0x00ee;
  9309. break;
  9310. case LED_MODE_OPER:
  9311. temp |= 0x0001;
  9312. break;
  9313. case LED_MODE_ON:
  9314. temp |= 0x00ff;
  9315. break;
  9316. default:
  9317. break;
  9318. }
  9319. bnx2x_cl22_write(bp, phy,
  9320. MDIO_REG_GPHY_SHADOW,
  9321. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9322. return;
  9323. }
  9324. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9325. struct link_params *params)
  9326. {
  9327. struct bnx2x *bp = params->bp;
  9328. u32 cfg_pin;
  9329. u8 port;
  9330. /*
  9331. * In case of no EPIO routed to reset the GPHY, put it
  9332. * in low power mode.
  9333. */
  9334. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9335. /*
  9336. * This works with E3 only, no need to check the chip
  9337. * before determining the port.
  9338. */
  9339. port = params->port;
  9340. cfg_pin = (REG_RD(bp, params->shmem_base +
  9341. offsetof(struct shmem_region,
  9342. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9343. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9344. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9345. /* Drive pin low to put GPHY in reset. */
  9346. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9347. }
  9348. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9349. struct link_params *params,
  9350. struct link_vars *vars)
  9351. {
  9352. struct bnx2x *bp = params->bp;
  9353. u16 val;
  9354. u8 link_up = 0;
  9355. u16 legacy_status, legacy_speed;
  9356. /* Get speed operation status */
  9357. bnx2x_cl22_read(bp, phy,
  9358. 0x19,
  9359. &legacy_status);
  9360. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9361. /* Read status to clear the PHY interrupt. */
  9362. bnx2x_cl22_read(bp, phy,
  9363. MDIO_REG_INTR_STATUS,
  9364. &val);
  9365. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9366. if (link_up) {
  9367. legacy_speed = (legacy_status & (7<<8));
  9368. if (legacy_speed == (7<<8)) {
  9369. vars->line_speed = SPEED_1000;
  9370. vars->duplex = DUPLEX_FULL;
  9371. } else if (legacy_speed == (6<<8)) {
  9372. vars->line_speed = SPEED_1000;
  9373. vars->duplex = DUPLEX_HALF;
  9374. } else if (legacy_speed == (5<<8)) {
  9375. vars->line_speed = SPEED_100;
  9376. vars->duplex = DUPLEX_FULL;
  9377. }
  9378. /* Omitting 100Base-T4 for now */
  9379. else if (legacy_speed == (3<<8)) {
  9380. vars->line_speed = SPEED_100;
  9381. vars->duplex = DUPLEX_HALF;
  9382. } else if (legacy_speed == (2<<8)) {
  9383. vars->line_speed = SPEED_10;
  9384. vars->duplex = DUPLEX_FULL;
  9385. } else if (legacy_speed == (1<<8)) {
  9386. vars->line_speed = SPEED_10;
  9387. vars->duplex = DUPLEX_HALF;
  9388. } else /* Should not happen */
  9389. vars->line_speed = 0;
  9390. DP(NETIF_MSG_LINK,
  9391. "Link is up in %dMbps, is_duplex_full= %d\n",
  9392. vars->line_speed,
  9393. (vars->duplex == DUPLEX_FULL));
  9394. /* Check legacy speed AN resolution */
  9395. bnx2x_cl22_read(bp, phy,
  9396. 0x01,
  9397. &val);
  9398. if (val & (1<<5))
  9399. vars->link_status |=
  9400. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9401. bnx2x_cl22_read(bp, phy,
  9402. 0x06,
  9403. &val);
  9404. if ((val & (1<<0)) == 0)
  9405. vars->link_status |=
  9406. LINK_STATUS_PARALLEL_DETECTION_USED;
  9407. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9408. vars->line_speed);
  9409. /* Report whether EEE is resolved. */
  9410. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9411. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9412. if (vars->link_status &
  9413. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9414. val = 0;
  9415. else {
  9416. bnx2x_cl22_write(bp, phy,
  9417. MDIO_REG_GPHY_CL45_ADDR_REG,
  9418. MDIO_AN_DEVAD);
  9419. bnx2x_cl22_write(bp, phy,
  9420. MDIO_REG_GPHY_CL45_DATA_REG,
  9421. MDIO_REG_GPHY_EEE_RESOLVED);
  9422. bnx2x_cl22_write(bp, phy,
  9423. MDIO_REG_GPHY_CL45_ADDR_REG,
  9424. (0x1 << 14) | MDIO_AN_DEVAD);
  9425. bnx2x_cl22_read(bp, phy,
  9426. MDIO_REG_GPHY_CL45_DATA_REG,
  9427. &val);
  9428. }
  9429. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9430. }
  9431. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9432. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9433. /* report LP advertised speeds */
  9434. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9435. if (val & (1<<5))
  9436. vars->link_status |=
  9437. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9438. if (val & (1<<6))
  9439. vars->link_status |=
  9440. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9441. if (val & (1<<7))
  9442. vars->link_status |=
  9443. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9444. if (val & (1<<8))
  9445. vars->link_status |=
  9446. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9447. if (val & (1<<9))
  9448. vars->link_status |=
  9449. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9450. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9451. if (val & (1<<10))
  9452. vars->link_status |=
  9453. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9454. if (val & (1<<11))
  9455. vars->link_status |=
  9456. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9457. }
  9458. }
  9459. return link_up;
  9460. }
  9461. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9462. struct link_params *params)
  9463. {
  9464. struct bnx2x *bp = params->bp;
  9465. u16 val;
  9466. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9467. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9468. /* Enable master/slave manual mmode and set to master */
  9469. /* mii write 9 [bits set 11 12] */
  9470. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9471. /* forced 1G and disable autoneg */
  9472. /* set val [mii read 0] */
  9473. /* set val [expr $val & [bits clear 6 12 13]] */
  9474. /* set val [expr $val | [bits set 6 8]] */
  9475. /* mii write 0 $val */
  9476. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9477. val &= ~((1<<6) | (1<<12) | (1<<13));
  9478. val |= (1<<6) | (1<<8);
  9479. bnx2x_cl22_write(bp, phy, 0x00, val);
  9480. /* Set external loopback and Tx using 6dB coding */
  9481. /* mii write 0x18 7 */
  9482. /* set val [mii read 0x18] */
  9483. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9484. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9485. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9486. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9487. /* This register opens the gate for the UMAC despite its name */
  9488. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9489. /*
  9490. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9491. * length used by the MAC receive logic to check frames.
  9492. */
  9493. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9494. }
  9495. /******************************************************************/
  9496. /* SFX7101 PHY SECTION */
  9497. /******************************************************************/
  9498. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9499. struct link_params *params)
  9500. {
  9501. struct bnx2x *bp = params->bp;
  9502. /* SFX7101_XGXS_TEST1 */
  9503. bnx2x_cl45_write(bp, phy,
  9504. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9505. }
  9506. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9507. struct link_params *params,
  9508. struct link_vars *vars)
  9509. {
  9510. u16 fw_ver1, fw_ver2, val;
  9511. struct bnx2x *bp = params->bp;
  9512. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9513. /* Restore normal power mode*/
  9514. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9515. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9516. /* HW reset */
  9517. bnx2x_ext_phy_hw_reset(bp, params->port);
  9518. bnx2x_wait_reset_complete(bp, phy, params);
  9519. bnx2x_cl45_write(bp, phy,
  9520. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9521. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9522. bnx2x_cl45_write(bp, phy,
  9523. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9524. bnx2x_ext_phy_set_pause(params, phy, vars);
  9525. /* Restart autoneg */
  9526. bnx2x_cl45_read(bp, phy,
  9527. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9528. val |= 0x200;
  9529. bnx2x_cl45_write(bp, phy,
  9530. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9531. /* Save spirom version */
  9532. bnx2x_cl45_read(bp, phy,
  9533. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9534. bnx2x_cl45_read(bp, phy,
  9535. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9536. bnx2x_save_spirom_version(bp, params->port,
  9537. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9538. return 0;
  9539. }
  9540. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9541. struct link_params *params,
  9542. struct link_vars *vars)
  9543. {
  9544. struct bnx2x *bp = params->bp;
  9545. u8 link_up;
  9546. u16 val1, val2;
  9547. bnx2x_cl45_read(bp, phy,
  9548. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9549. bnx2x_cl45_read(bp, phy,
  9550. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9551. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9552. val2, val1);
  9553. bnx2x_cl45_read(bp, phy,
  9554. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9555. bnx2x_cl45_read(bp, phy,
  9556. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9557. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9558. val2, val1);
  9559. link_up = ((val1 & 4) == 4);
  9560. /* if link is up print the AN outcome of the SFX7101 PHY */
  9561. if (link_up) {
  9562. bnx2x_cl45_read(bp, phy,
  9563. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9564. &val2);
  9565. vars->line_speed = SPEED_10000;
  9566. vars->duplex = DUPLEX_FULL;
  9567. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9568. val2, (val2 & (1<<14)));
  9569. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9570. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9571. /* read LP advertised speeds */
  9572. if (val2 & (1<<11))
  9573. vars->link_status |=
  9574. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9575. }
  9576. return link_up;
  9577. }
  9578. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9579. {
  9580. if (*len < 5)
  9581. return -EINVAL;
  9582. str[0] = (spirom_ver & 0xFF);
  9583. str[1] = (spirom_ver & 0xFF00) >> 8;
  9584. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9585. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9586. str[4] = '\0';
  9587. *len -= 5;
  9588. return 0;
  9589. }
  9590. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9591. {
  9592. u16 val, cnt;
  9593. bnx2x_cl45_read(bp, phy,
  9594. MDIO_PMA_DEVAD,
  9595. MDIO_PMA_REG_7101_RESET, &val);
  9596. for (cnt = 0; cnt < 10; cnt++) {
  9597. msleep(50);
  9598. /* Writes a self-clearing reset */
  9599. bnx2x_cl45_write(bp, phy,
  9600. MDIO_PMA_DEVAD,
  9601. MDIO_PMA_REG_7101_RESET,
  9602. (val | (1<<15)));
  9603. /* Wait for clear */
  9604. bnx2x_cl45_read(bp, phy,
  9605. MDIO_PMA_DEVAD,
  9606. MDIO_PMA_REG_7101_RESET, &val);
  9607. if ((val & (1<<15)) == 0)
  9608. break;
  9609. }
  9610. }
  9611. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9612. struct link_params *params) {
  9613. /* Low power mode is controlled by GPIO 2 */
  9614. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9615. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9616. /* The PHY reset is controlled by GPIO 1 */
  9617. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9618. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9619. }
  9620. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9621. struct link_params *params, u8 mode)
  9622. {
  9623. u16 val = 0;
  9624. struct bnx2x *bp = params->bp;
  9625. switch (mode) {
  9626. case LED_MODE_FRONT_PANEL_OFF:
  9627. case LED_MODE_OFF:
  9628. val = 2;
  9629. break;
  9630. case LED_MODE_ON:
  9631. val = 1;
  9632. break;
  9633. case LED_MODE_OPER:
  9634. val = 0;
  9635. break;
  9636. }
  9637. bnx2x_cl45_write(bp, phy,
  9638. MDIO_PMA_DEVAD,
  9639. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9640. val);
  9641. }
  9642. /******************************************************************/
  9643. /* STATIC PHY DECLARATION */
  9644. /******************************************************************/
  9645. static struct bnx2x_phy phy_null = {
  9646. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9647. .addr = 0,
  9648. .def_md_devad = 0,
  9649. .flags = FLAGS_INIT_XGXS_FIRST,
  9650. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9651. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9652. .mdio_ctrl = 0,
  9653. .supported = 0,
  9654. .media_type = ETH_PHY_NOT_PRESENT,
  9655. .ver_addr = 0,
  9656. .req_flow_ctrl = 0,
  9657. .req_line_speed = 0,
  9658. .speed_cap_mask = 0,
  9659. .req_duplex = 0,
  9660. .rsrv = 0,
  9661. .config_init = (config_init_t)NULL,
  9662. .read_status = (read_status_t)NULL,
  9663. .link_reset = (link_reset_t)NULL,
  9664. .config_loopback = (config_loopback_t)NULL,
  9665. .format_fw_ver = (format_fw_ver_t)NULL,
  9666. .hw_reset = (hw_reset_t)NULL,
  9667. .set_link_led = (set_link_led_t)NULL,
  9668. .phy_specific_func = (phy_specific_func_t)NULL
  9669. };
  9670. static struct bnx2x_phy phy_serdes = {
  9671. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9672. .addr = 0xff,
  9673. .def_md_devad = 0,
  9674. .flags = 0,
  9675. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9676. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9677. .mdio_ctrl = 0,
  9678. .supported = (SUPPORTED_10baseT_Half |
  9679. SUPPORTED_10baseT_Full |
  9680. SUPPORTED_100baseT_Half |
  9681. SUPPORTED_100baseT_Full |
  9682. SUPPORTED_1000baseT_Full |
  9683. SUPPORTED_2500baseX_Full |
  9684. SUPPORTED_TP |
  9685. SUPPORTED_Autoneg |
  9686. SUPPORTED_Pause |
  9687. SUPPORTED_Asym_Pause),
  9688. .media_type = ETH_PHY_BASE_T,
  9689. .ver_addr = 0,
  9690. .req_flow_ctrl = 0,
  9691. .req_line_speed = 0,
  9692. .speed_cap_mask = 0,
  9693. .req_duplex = 0,
  9694. .rsrv = 0,
  9695. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9696. .read_status = (read_status_t)bnx2x_link_settings_status,
  9697. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9698. .config_loopback = (config_loopback_t)NULL,
  9699. .format_fw_ver = (format_fw_ver_t)NULL,
  9700. .hw_reset = (hw_reset_t)NULL,
  9701. .set_link_led = (set_link_led_t)NULL,
  9702. .phy_specific_func = (phy_specific_func_t)NULL
  9703. };
  9704. static struct bnx2x_phy phy_xgxs = {
  9705. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9706. .addr = 0xff,
  9707. .def_md_devad = 0,
  9708. .flags = 0,
  9709. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9710. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9711. .mdio_ctrl = 0,
  9712. .supported = (SUPPORTED_10baseT_Half |
  9713. SUPPORTED_10baseT_Full |
  9714. SUPPORTED_100baseT_Half |
  9715. SUPPORTED_100baseT_Full |
  9716. SUPPORTED_1000baseT_Full |
  9717. SUPPORTED_2500baseX_Full |
  9718. SUPPORTED_10000baseT_Full |
  9719. SUPPORTED_FIBRE |
  9720. SUPPORTED_Autoneg |
  9721. SUPPORTED_Pause |
  9722. SUPPORTED_Asym_Pause),
  9723. .media_type = ETH_PHY_CX4,
  9724. .ver_addr = 0,
  9725. .req_flow_ctrl = 0,
  9726. .req_line_speed = 0,
  9727. .speed_cap_mask = 0,
  9728. .req_duplex = 0,
  9729. .rsrv = 0,
  9730. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9731. .read_status = (read_status_t)bnx2x_link_settings_status,
  9732. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9733. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9734. .format_fw_ver = (format_fw_ver_t)NULL,
  9735. .hw_reset = (hw_reset_t)NULL,
  9736. .set_link_led = (set_link_led_t)NULL,
  9737. .phy_specific_func = (phy_specific_func_t)NULL
  9738. };
  9739. static struct bnx2x_phy phy_warpcore = {
  9740. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9741. .addr = 0xff,
  9742. .def_md_devad = 0,
  9743. .flags = FLAGS_HW_LOCK_REQUIRED,
  9744. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9745. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9746. .mdio_ctrl = 0,
  9747. .supported = (SUPPORTED_10baseT_Half |
  9748. SUPPORTED_10baseT_Full |
  9749. SUPPORTED_100baseT_Half |
  9750. SUPPORTED_100baseT_Full |
  9751. SUPPORTED_1000baseT_Full |
  9752. SUPPORTED_10000baseT_Full |
  9753. SUPPORTED_20000baseKR2_Full |
  9754. SUPPORTED_20000baseMLD2_Full |
  9755. SUPPORTED_FIBRE |
  9756. SUPPORTED_Autoneg |
  9757. SUPPORTED_Pause |
  9758. SUPPORTED_Asym_Pause),
  9759. .media_type = ETH_PHY_UNSPECIFIED,
  9760. .ver_addr = 0,
  9761. .req_flow_ctrl = 0,
  9762. .req_line_speed = 0,
  9763. .speed_cap_mask = 0,
  9764. /* req_duplex = */0,
  9765. /* rsrv = */0,
  9766. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9767. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9768. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9769. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9770. .format_fw_ver = (format_fw_ver_t)NULL,
  9771. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9772. .set_link_led = (set_link_led_t)NULL,
  9773. .phy_specific_func = (phy_specific_func_t)NULL
  9774. };
  9775. static struct bnx2x_phy phy_7101 = {
  9776. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9777. .addr = 0xff,
  9778. .def_md_devad = 0,
  9779. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9780. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9781. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9782. .mdio_ctrl = 0,
  9783. .supported = (SUPPORTED_10000baseT_Full |
  9784. SUPPORTED_TP |
  9785. SUPPORTED_Autoneg |
  9786. SUPPORTED_Pause |
  9787. SUPPORTED_Asym_Pause),
  9788. .media_type = ETH_PHY_BASE_T,
  9789. .ver_addr = 0,
  9790. .req_flow_ctrl = 0,
  9791. .req_line_speed = 0,
  9792. .speed_cap_mask = 0,
  9793. .req_duplex = 0,
  9794. .rsrv = 0,
  9795. .config_init = (config_init_t)bnx2x_7101_config_init,
  9796. .read_status = (read_status_t)bnx2x_7101_read_status,
  9797. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9798. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9799. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9800. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9801. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9802. .phy_specific_func = (phy_specific_func_t)NULL
  9803. };
  9804. static struct bnx2x_phy phy_8073 = {
  9805. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9806. .addr = 0xff,
  9807. .def_md_devad = 0,
  9808. .flags = FLAGS_HW_LOCK_REQUIRED,
  9809. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9810. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9811. .mdio_ctrl = 0,
  9812. .supported = (SUPPORTED_10000baseT_Full |
  9813. SUPPORTED_2500baseX_Full |
  9814. SUPPORTED_1000baseT_Full |
  9815. SUPPORTED_FIBRE |
  9816. SUPPORTED_Autoneg |
  9817. SUPPORTED_Pause |
  9818. SUPPORTED_Asym_Pause),
  9819. .media_type = ETH_PHY_KR,
  9820. .ver_addr = 0,
  9821. .req_flow_ctrl = 0,
  9822. .req_line_speed = 0,
  9823. .speed_cap_mask = 0,
  9824. .req_duplex = 0,
  9825. .rsrv = 0,
  9826. .config_init = (config_init_t)bnx2x_8073_config_init,
  9827. .read_status = (read_status_t)bnx2x_8073_read_status,
  9828. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9829. .config_loopback = (config_loopback_t)NULL,
  9830. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9831. .hw_reset = (hw_reset_t)NULL,
  9832. .set_link_led = (set_link_led_t)NULL,
  9833. .phy_specific_func = (phy_specific_func_t)NULL
  9834. };
  9835. static struct bnx2x_phy phy_8705 = {
  9836. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9837. .addr = 0xff,
  9838. .def_md_devad = 0,
  9839. .flags = FLAGS_INIT_XGXS_FIRST,
  9840. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9841. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9842. .mdio_ctrl = 0,
  9843. .supported = (SUPPORTED_10000baseT_Full |
  9844. SUPPORTED_FIBRE |
  9845. SUPPORTED_Pause |
  9846. SUPPORTED_Asym_Pause),
  9847. .media_type = ETH_PHY_XFP_FIBER,
  9848. .ver_addr = 0,
  9849. .req_flow_ctrl = 0,
  9850. .req_line_speed = 0,
  9851. .speed_cap_mask = 0,
  9852. .req_duplex = 0,
  9853. .rsrv = 0,
  9854. .config_init = (config_init_t)bnx2x_8705_config_init,
  9855. .read_status = (read_status_t)bnx2x_8705_read_status,
  9856. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9857. .config_loopback = (config_loopback_t)NULL,
  9858. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9859. .hw_reset = (hw_reset_t)NULL,
  9860. .set_link_led = (set_link_led_t)NULL,
  9861. .phy_specific_func = (phy_specific_func_t)NULL
  9862. };
  9863. static struct bnx2x_phy phy_8706 = {
  9864. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9865. .addr = 0xff,
  9866. .def_md_devad = 0,
  9867. .flags = FLAGS_INIT_XGXS_FIRST,
  9868. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9869. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9870. .mdio_ctrl = 0,
  9871. .supported = (SUPPORTED_10000baseT_Full |
  9872. SUPPORTED_1000baseT_Full |
  9873. SUPPORTED_FIBRE |
  9874. SUPPORTED_Pause |
  9875. SUPPORTED_Asym_Pause),
  9876. .media_type = ETH_PHY_SFP_FIBER,
  9877. .ver_addr = 0,
  9878. .req_flow_ctrl = 0,
  9879. .req_line_speed = 0,
  9880. .speed_cap_mask = 0,
  9881. .req_duplex = 0,
  9882. .rsrv = 0,
  9883. .config_init = (config_init_t)bnx2x_8706_config_init,
  9884. .read_status = (read_status_t)bnx2x_8706_read_status,
  9885. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9886. .config_loopback = (config_loopback_t)NULL,
  9887. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9888. .hw_reset = (hw_reset_t)NULL,
  9889. .set_link_led = (set_link_led_t)NULL,
  9890. .phy_specific_func = (phy_specific_func_t)NULL
  9891. };
  9892. static struct bnx2x_phy phy_8726 = {
  9893. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9894. .addr = 0xff,
  9895. .def_md_devad = 0,
  9896. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9897. FLAGS_INIT_XGXS_FIRST),
  9898. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9899. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9900. .mdio_ctrl = 0,
  9901. .supported = (SUPPORTED_10000baseT_Full |
  9902. SUPPORTED_1000baseT_Full |
  9903. SUPPORTED_Autoneg |
  9904. SUPPORTED_FIBRE |
  9905. SUPPORTED_Pause |
  9906. SUPPORTED_Asym_Pause),
  9907. .media_type = ETH_PHY_NOT_PRESENT,
  9908. .ver_addr = 0,
  9909. .req_flow_ctrl = 0,
  9910. .req_line_speed = 0,
  9911. .speed_cap_mask = 0,
  9912. .req_duplex = 0,
  9913. .rsrv = 0,
  9914. .config_init = (config_init_t)bnx2x_8726_config_init,
  9915. .read_status = (read_status_t)bnx2x_8726_read_status,
  9916. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9917. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9918. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9919. .hw_reset = (hw_reset_t)NULL,
  9920. .set_link_led = (set_link_led_t)NULL,
  9921. .phy_specific_func = (phy_specific_func_t)NULL
  9922. };
  9923. static struct bnx2x_phy phy_8727 = {
  9924. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9925. .addr = 0xff,
  9926. .def_md_devad = 0,
  9927. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9928. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9929. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9930. .mdio_ctrl = 0,
  9931. .supported = (SUPPORTED_10000baseT_Full |
  9932. SUPPORTED_1000baseT_Full |
  9933. SUPPORTED_FIBRE |
  9934. SUPPORTED_Pause |
  9935. SUPPORTED_Asym_Pause),
  9936. .media_type = ETH_PHY_NOT_PRESENT,
  9937. .ver_addr = 0,
  9938. .req_flow_ctrl = 0,
  9939. .req_line_speed = 0,
  9940. .speed_cap_mask = 0,
  9941. .req_duplex = 0,
  9942. .rsrv = 0,
  9943. .config_init = (config_init_t)bnx2x_8727_config_init,
  9944. .read_status = (read_status_t)bnx2x_8727_read_status,
  9945. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9946. .config_loopback = (config_loopback_t)NULL,
  9947. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9948. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9949. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9950. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9951. };
  9952. static struct bnx2x_phy phy_8481 = {
  9953. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9954. .addr = 0xff,
  9955. .def_md_devad = 0,
  9956. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9957. FLAGS_REARM_LATCH_SIGNAL,
  9958. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9959. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9960. .mdio_ctrl = 0,
  9961. .supported = (SUPPORTED_10baseT_Half |
  9962. SUPPORTED_10baseT_Full |
  9963. SUPPORTED_100baseT_Half |
  9964. SUPPORTED_100baseT_Full |
  9965. SUPPORTED_1000baseT_Full |
  9966. SUPPORTED_10000baseT_Full |
  9967. SUPPORTED_TP |
  9968. SUPPORTED_Autoneg |
  9969. SUPPORTED_Pause |
  9970. SUPPORTED_Asym_Pause),
  9971. .media_type = ETH_PHY_BASE_T,
  9972. .ver_addr = 0,
  9973. .req_flow_ctrl = 0,
  9974. .req_line_speed = 0,
  9975. .speed_cap_mask = 0,
  9976. .req_duplex = 0,
  9977. .rsrv = 0,
  9978. .config_init = (config_init_t)bnx2x_8481_config_init,
  9979. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9980. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9981. .config_loopback = (config_loopback_t)NULL,
  9982. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9983. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9984. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9985. .phy_specific_func = (phy_specific_func_t)NULL
  9986. };
  9987. static struct bnx2x_phy phy_84823 = {
  9988. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9989. .addr = 0xff,
  9990. .def_md_devad = 0,
  9991. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9992. FLAGS_REARM_LATCH_SIGNAL,
  9993. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9994. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9995. .mdio_ctrl = 0,
  9996. .supported = (SUPPORTED_10baseT_Half |
  9997. SUPPORTED_10baseT_Full |
  9998. SUPPORTED_100baseT_Half |
  9999. SUPPORTED_100baseT_Full |
  10000. SUPPORTED_1000baseT_Full |
  10001. SUPPORTED_10000baseT_Full |
  10002. SUPPORTED_TP |
  10003. SUPPORTED_Autoneg |
  10004. SUPPORTED_Pause |
  10005. SUPPORTED_Asym_Pause),
  10006. .media_type = ETH_PHY_BASE_T,
  10007. .ver_addr = 0,
  10008. .req_flow_ctrl = 0,
  10009. .req_line_speed = 0,
  10010. .speed_cap_mask = 0,
  10011. .req_duplex = 0,
  10012. .rsrv = 0,
  10013. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10014. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10015. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10016. .config_loopback = (config_loopback_t)NULL,
  10017. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10018. .hw_reset = (hw_reset_t)NULL,
  10019. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10020. .phy_specific_func = (phy_specific_func_t)NULL
  10021. };
  10022. static struct bnx2x_phy phy_84833 = {
  10023. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10024. .addr = 0xff,
  10025. .def_md_devad = 0,
  10026. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10027. FLAGS_REARM_LATCH_SIGNAL,
  10028. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10029. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10030. .mdio_ctrl = 0,
  10031. .supported = (SUPPORTED_100baseT_Half |
  10032. SUPPORTED_100baseT_Full |
  10033. SUPPORTED_1000baseT_Full |
  10034. SUPPORTED_10000baseT_Full |
  10035. SUPPORTED_TP |
  10036. SUPPORTED_Autoneg |
  10037. SUPPORTED_Pause |
  10038. SUPPORTED_Asym_Pause),
  10039. .media_type = ETH_PHY_BASE_T,
  10040. .ver_addr = 0,
  10041. .req_flow_ctrl = 0,
  10042. .req_line_speed = 0,
  10043. .speed_cap_mask = 0,
  10044. .req_duplex = 0,
  10045. .rsrv = 0,
  10046. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10047. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10048. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10049. .config_loopback = (config_loopback_t)NULL,
  10050. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10051. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10052. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10053. .phy_specific_func = (phy_specific_func_t)NULL
  10054. };
  10055. static struct bnx2x_phy phy_54618se = {
  10056. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10057. .addr = 0xff,
  10058. .def_md_devad = 0,
  10059. .flags = FLAGS_INIT_XGXS_FIRST,
  10060. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10061. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10062. .mdio_ctrl = 0,
  10063. .supported = (SUPPORTED_10baseT_Half |
  10064. SUPPORTED_10baseT_Full |
  10065. SUPPORTED_100baseT_Half |
  10066. SUPPORTED_100baseT_Full |
  10067. SUPPORTED_1000baseT_Full |
  10068. SUPPORTED_TP |
  10069. SUPPORTED_Autoneg |
  10070. SUPPORTED_Pause |
  10071. SUPPORTED_Asym_Pause),
  10072. .media_type = ETH_PHY_BASE_T,
  10073. .ver_addr = 0,
  10074. .req_flow_ctrl = 0,
  10075. .req_line_speed = 0,
  10076. .speed_cap_mask = 0,
  10077. /* req_duplex = */0,
  10078. /* rsrv = */0,
  10079. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10080. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10081. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10082. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10083. .format_fw_ver = (format_fw_ver_t)NULL,
  10084. .hw_reset = (hw_reset_t)NULL,
  10085. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10086. .phy_specific_func = (phy_specific_func_t)NULL
  10087. };
  10088. /*****************************************************************/
  10089. /* */
  10090. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10091. /* */
  10092. /*****************************************************************/
  10093. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10094. struct bnx2x_phy *phy, u8 port,
  10095. u8 phy_index)
  10096. {
  10097. /* Get the 4 lanes xgxs config rx and tx */
  10098. u32 rx = 0, tx = 0, i;
  10099. for (i = 0; i < 2; i++) {
  10100. /*
  10101. * INT_PHY and EXT_PHY1 share the same value location in the
  10102. * shmem. When num_phys is greater than 1, than this value
  10103. * applies only to EXT_PHY1
  10104. */
  10105. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10106. rx = REG_RD(bp, shmem_base +
  10107. offsetof(struct shmem_region,
  10108. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10109. tx = REG_RD(bp, shmem_base +
  10110. offsetof(struct shmem_region,
  10111. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10112. } else {
  10113. rx = REG_RD(bp, shmem_base +
  10114. offsetof(struct shmem_region,
  10115. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10116. tx = REG_RD(bp, shmem_base +
  10117. offsetof(struct shmem_region,
  10118. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10119. }
  10120. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10121. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10122. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10123. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10124. }
  10125. }
  10126. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10127. u8 phy_index, u8 port)
  10128. {
  10129. u32 ext_phy_config = 0;
  10130. switch (phy_index) {
  10131. case EXT_PHY1:
  10132. ext_phy_config = REG_RD(bp, shmem_base +
  10133. offsetof(struct shmem_region,
  10134. dev_info.port_hw_config[port].external_phy_config));
  10135. break;
  10136. case EXT_PHY2:
  10137. ext_phy_config = REG_RD(bp, shmem_base +
  10138. offsetof(struct shmem_region,
  10139. dev_info.port_hw_config[port].external_phy_config2));
  10140. break;
  10141. default:
  10142. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10143. return -EINVAL;
  10144. }
  10145. return ext_phy_config;
  10146. }
  10147. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10148. struct bnx2x_phy *phy)
  10149. {
  10150. u32 phy_addr;
  10151. u32 chip_id;
  10152. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10153. offsetof(struct shmem_region,
  10154. dev_info.port_feature_config[port].link_config)) &
  10155. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10156. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10157. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10158. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10159. if (USES_WARPCORE(bp)) {
  10160. u32 serdes_net_if;
  10161. phy_addr = REG_RD(bp,
  10162. MISC_REG_WC0_CTRL_PHY_ADDR);
  10163. *phy = phy_warpcore;
  10164. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10165. phy->flags |= FLAGS_4_PORT_MODE;
  10166. else
  10167. phy->flags &= ~FLAGS_4_PORT_MODE;
  10168. /* Check Dual mode */
  10169. serdes_net_if = (REG_RD(bp, shmem_base +
  10170. offsetof(struct shmem_region, dev_info.
  10171. port_hw_config[port].default_cfg)) &
  10172. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10173. /*
  10174. * Set the appropriate supported and flags indications per
  10175. * interface type of the chip
  10176. */
  10177. switch (serdes_net_if) {
  10178. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10179. phy->supported &= (SUPPORTED_10baseT_Half |
  10180. SUPPORTED_10baseT_Full |
  10181. SUPPORTED_100baseT_Half |
  10182. SUPPORTED_100baseT_Full |
  10183. SUPPORTED_1000baseT_Full |
  10184. SUPPORTED_FIBRE |
  10185. SUPPORTED_Autoneg |
  10186. SUPPORTED_Pause |
  10187. SUPPORTED_Asym_Pause);
  10188. phy->media_type = ETH_PHY_BASE_T;
  10189. break;
  10190. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10191. phy->media_type = ETH_PHY_XFP_FIBER;
  10192. break;
  10193. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10194. phy->supported &= (SUPPORTED_1000baseT_Full |
  10195. SUPPORTED_10000baseT_Full |
  10196. SUPPORTED_FIBRE |
  10197. SUPPORTED_Pause |
  10198. SUPPORTED_Asym_Pause);
  10199. phy->media_type = ETH_PHY_SFP_FIBER;
  10200. break;
  10201. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10202. phy->media_type = ETH_PHY_KR;
  10203. phy->supported &= (SUPPORTED_1000baseT_Full |
  10204. SUPPORTED_10000baseT_Full |
  10205. SUPPORTED_FIBRE |
  10206. SUPPORTED_Autoneg |
  10207. SUPPORTED_Pause |
  10208. SUPPORTED_Asym_Pause);
  10209. break;
  10210. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10211. phy->media_type = ETH_PHY_KR;
  10212. phy->flags |= FLAGS_WC_DUAL_MODE;
  10213. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10214. SUPPORTED_FIBRE |
  10215. SUPPORTED_Pause |
  10216. SUPPORTED_Asym_Pause);
  10217. break;
  10218. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10219. phy->media_type = ETH_PHY_KR;
  10220. phy->flags |= FLAGS_WC_DUAL_MODE;
  10221. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10222. SUPPORTED_FIBRE |
  10223. SUPPORTED_Pause |
  10224. SUPPORTED_Asym_Pause);
  10225. break;
  10226. default:
  10227. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10228. serdes_net_if);
  10229. break;
  10230. }
  10231. /*
  10232. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10233. * was not set as expected. For B0, ECO will be enabled so there
  10234. * won't be an issue there
  10235. */
  10236. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10237. phy->flags |= FLAGS_MDC_MDIO_WA;
  10238. else
  10239. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10240. } else {
  10241. switch (switch_cfg) {
  10242. case SWITCH_CFG_1G:
  10243. phy_addr = REG_RD(bp,
  10244. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10245. port * 0x10);
  10246. *phy = phy_serdes;
  10247. break;
  10248. case SWITCH_CFG_10G:
  10249. phy_addr = REG_RD(bp,
  10250. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10251. port * 0x18);
  10252. *phy = phy_xgxs;
  10253. break;
  10254. default:
  10255. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10256. return -EINVAL;
  10257. }
  10258. }
  10259. phy->addr = (u8)phy_addr;
  10260. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10261. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10262. port);
  10263. if (CHIP_IS_E2(bp))
  10264. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10265. else
  10266. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10267. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10268. port, phy->addr, phy->mdio_ctrl);
  10269. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10270. return 0;
  10271. }
  10272. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10273. u8 phy_index,
  10274. u32 shmem_base,
  10275. u32 shmem2_base,
  10276. u8 port,
  10277. struct bnx2x_phy *phy)
  10278. {
  10279. u32 ext_phy_config, phy_type, config2;
  10280. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10281. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10282. phy_index, port);
  10283. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10284. /* Select the phy type */
  10285. switch (phy_type) {
  10286. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10287. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10288. *phy = phy_8073;
  10289. break;
  10290. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10291. *phy = phy_8705;
  10292. break;
  10293. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10294. *phy = phy_8706;
  10295. break;
  10296. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10297. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10298. *phy = phy_8726;
  10299. break;
  10300. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10301. /* BCM8727_NOC => BCM8727 no over current */
  10302. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10303. *phy = phy_8727;
  10304. phy->flags |= FLAGS_NOC;
  10305. break;
  10306. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10307. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10308. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10309. *phy = phy_8727;
  10310. break;
  10311. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10312. *phy = phy_8481;
  10313. break;
  10314. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10315. *phy = phy_84823;
  10316. break;
  10317. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10318. *phy = phy_84833;
  10319. break;
  10320. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10321. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10322. *phy = phy_54618se;
  10323. break;
  10324. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10325. *phy = phy_7101;
  10326. break;
  10327. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10328. *phy = phy_null;
  10329. return -EINVAL;
  10330. default:
  10331. *phy = phy_null;
  10332. /* In case external PHY wasn't found */
  10333. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10334. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10335. return -EINVAL;
  10336. return 0;
  10337. }
  10338. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10339. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10340. /*
  10341. * The shmem address of the phy version is located on different
  10342. * structures. In case this structure is too old, do not set
  10343. * the address
  10344. */
  10345. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10346. dev_info.shared_hw_config.config2));
  10347. if (phy_index == EXT_PHY1) {
  10348. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10349. port_mb[port].ext_phy_fw_version);
  10350. /* Check specific mdc mdio settings */
  10351. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10352. mdc_mdio_access = config2 &
  10353. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10354. } else {
  10355. u32 size = REG_RD(bp, shmem2_base);
  10356. if (size >
  10357. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10358. phy->ver_addr = shmem2_base +
  10359. offsetof(struct shmem2_region,
  10360. ext_phy_fw_version2[port]);
  10361. }
  10362. /* Check specific mdc mdio settings */
  10363. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10364. mdc_mdio_access = (config2 &
  10365. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10366. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10367. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10368. }
  10369. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10370. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10371. (phy->ver_addr)) {
  10372. /*
  10373. * Remove 100Mb link supported for BCM84833 when phy fw
  10374. * version lower than or equal to 1.39
  10375. */
  10376. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10377. if (((raw_ver & 0x7F) <= 39) &&
  10378. (((raw_ver & 0xF80) >> 7) <= 1))
  10379. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10380. SUPPORTED_100baseT_Full);
  10381. }
  10382. /*
  10383. * In case mdc/mdio_access of the external phy is different than the
  10384. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10385. * to prevent one port interfere with another port's CL45 operations.
  10386. */
  10387. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10388. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10389. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10390. phy_type, port, phy_index);
  10391. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10392. phy->addr, phy->mdio_ctrl);
  10393. return 0;
  10394. }
  10395. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10396. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10397. {
  10398. int status = 0;
  10399. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10400. if (phy_index == INT_PHY)
  10401. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10402. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10403. port, phy);
  10404. return status;
  10405. }
  10406. static void bnx2x_phy_def_cfg(struct link_params *params,
  10407. struct bnx2x_phy *phy,
  10408. u8 phy_index)
  10409. {
  10410. struct bnx2x *bp = params->bp;
  10411. u32 link_config;
  10412. /* Populate the default phy configuration for MF mode */
  10413. if (phy_index == EXT_PHY2) {
  10414. link_config = REG_RD(bp, params->shmem_base +
  10415. offsetof(struct shmem_region, dev_info.
  10416. port_feature_config[params->port].link_config2));
  10417. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10418. offsetof(struct shmem_region,
  10419. dev_info.
  10420. port_hw_config[params->port].speed_capability_mask2));
  10421. } else {
  10422. link_config = REG_RD(bp, params->shmem_base +
  10423. offsetof(struct shmem_region, dev_info.
  10424. port_feature_config[params->port].link_config));
  10425. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10426. offsetof(struct shmem_region,
  10427. dev_info.
  10428. port_hw_config[params->port].speed_capability_mask));
  10429. }
  10430. DP(NETIF_MSG_LINK,
  10431. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10432. phy_index, link_config, phy->speed_cap_mask);
  10433. phy->req_duplex = DUPLEX_FULL;
  10434. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10435. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10436. phy->req_duplex = DUPLEX_HALF;
  10437. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10438. phy->req_line_speed = SPEED_10;
  10439. break;
  10440. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10441. phy->req_duplex = DUPLEX_HALF;
  10442. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10443. phy->req_line_speed = SPEED_100;
  10444. break;
  10445. case PORT_FEATURE_LINK_SPEED_1G:
  10446. phy->req_line_speed = SPEED_1000;
  10447. break;
  10448. case PORT_FEATURE_LINK_SPEED_2_5G:
  10449. phy->req_line_speed = SPEED_2500;
  10450. break;
  10451. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10452. phy->req_line_speed = SPEED_10000;
  10453. break;
  10454. default:
  10455. phy->req_line_speed = SPEED_AUTO_NEG;
  10456. break;
  10457. }
  10458. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10459. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10460. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10461. break;
  10462. case PORT_FEATURE_FLOW_CONTROL_TX:
  10463. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10464. break;
  10465. case PORT_FEATURE_FLOW_CONTROL_RX:
  10466. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10467. break;
  10468. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10469. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10470. break;
  10471. default:
  10472. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10473. break;
  10474. }
  10475. }
  10476. u32 bnx2x_phy_selection(struct link_params *params)
  10477. {
  10478. u32 phy_config_swapped, prio_cfg;
  10479. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10480. phy_config_swapped = params->multi_phy_config &
  10481. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10482. prio_cfg = params->multi_phy_config &
  10483. PORT_HW_CFG_PHY_SELECTION_MASK;
  10484. if (phy_config_swapped) {
  10485. switch (prio_cfg) {
  10486. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10487. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10488. break;
  10489. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10490. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10491. break;
  10492. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10493. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10494. break;
  10495. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10496. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10497. break;
  10498. }
  10499. } else
  10500. return_cfg = prio_cfg;
  10501. return return_cfg;
  10502. }
  10503. int bnx2x_phy_probe(struct link_params *params)
  10504. {
  10505. u8 phy_index, actual_phy_idx;
  10506. u32 phy_config_swapped, sync_offset, media_types;
  10507. struct bnx2x *bp = params->bp;
  10508. struct bnx2x_phy *phy;
  10509. params->num_phys = 0;
  10510. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10511. phy_config_swapped = params->multi_phy_config &
  10512. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10513. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10514. phy_index++) {
  10515. actual_phy_idx = phy_index;
  10516. if (phy_config_swapped) {
  10517. if (phy_index == EXT_PHY1)
  10518. actual_phy_idx = EXT_PHY2;
  10519. else if (phy_index == EXT_PHY2)
  10520. actual_phy_idx = EXT_PHY1;
  10521. }
  10522. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10523. " actual_phy_idx %x\n", phy_config_swapped,
  10524. phy_index, actual_phy_idx);
  10525. phy = &params->phy[actual_phy_idx];
  10526. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10527. params->shmem2_base, params->port,
  10528. phy) != 0) {
  10529. params->num_phys = 0;
  10530. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10531. phy_index);
  10532. for (phy_index = INT_PHY;
  10533. phy_index < MAX_PHYS;
  10534. phy_index++)
  10535. *phy = phy_null;
  10536. return -EINVAL;
  10537. }
  10538. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10539. break;
  10540. sync_offset = params->shmem_base +
  10541. offsetof(struct shmem_region,
  10542. dev_info.port_hw_config[params->port].media_type);
  10543. media_types = REG_RD(bp, sync_offset);
  10544. /*
  10545. * Update media type for non-PMF sync only for the first time
  10546. * In case the media type changes afterwards, it will be updated
  10547. * using the update_status function
  10548. */
  10549. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10550. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10551. actual_phy_idx))) == 0) {
  10552. media_types |= ((phy->media_type &
  10553. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10554. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10555. actual_phy_idx));
  10556. }
  10557. REG_WR(bp, sync_offset, media_types);
  10558. bnx2x_phy_def_cfg(params, phy, phy_index);
  10559. params->num_phys++;
  10560. }
  10561. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10562. return 0;
  10563. }
  10564. void bnx2x_init_bmac_loopback(struct link_params *params,
  10565. struct link_vars *vars)
  10566. {
  10567. struct bnx2x *bp = params->bp;
  10568. vars->link_up = 1;
  10569. vars->line_speed = SPEED_10000;
  10570. vars->duplex = DUPLEX_FULL;
  10571. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10572. vars->mac_type = MAC_TYPE_BMAC;
  10573. vars->phy_flags = PHY_XGXS_FLAG;
  10574. bnx2x_xgxs_deassert(params);
  10575. /* set bmac loopback */
  10576. bnx2x_bmac_enable(params, vars, 1);
  10577. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10578. }
  10579. void bnx2x_init_emac_loopback(struct link_params *params,
  10580. struct link_vars *vars)
  10581. {
  10582. struct bnx2x *bp = params->bp;
  10583. vars->link_up = 1;
  10584. vars->line_speed = SPEED_1000;
  10585. vars->duplex = DUPLEX_FULL;
  10586. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10587. vars->mac_type = MAC_TYPE_EMAC;
  10588. vars->phy_flags = PHY_XGXS_FLAG;
  10589. bnx2x_xgxs_deassert(params);
  10590. /* set bmac loopback */
  10591. bnx2x_emac_enable(params, vars, 1);
  10592. bnx2x_emac_program(params, vars);
  10593. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10594. }
  10595. void bnx2x_init_xmac_loopback(struct link_params *params,
  10596. struct link_vars *vars)
  10597. {
  10598. struct bnx2x *bp = params->bp;
  10599. vars->link_up = 1;
  10600. if (!params->req_line_speed[0])
  10601. vars->line_speed = SPEED_10000;
  10602. else
  10603. vars->line_speed = params->req_line_speed[0];
  10604. vars->duplex = DUPLEX_FULL;
  10605. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10606. vars->mac_type = MAC_TYPE_XMAC;
  10607. vars->phy_flags = PHY_XGXS_FLAG;
  10608. /*
  10609. * Set WC to loopback mode since link is required to provide clock
  10610. * to the XMAC in 20G mode
  10611. */
  10612. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10613. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10614. params->phy[INT_PHY].config_loopback(
  10615. &params->phy[INT_PHY],
  10616. params);
  10617. bnx2x_xmac_enable(params, vars, 1);
  10618. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10619. }
  10620. void bnx2x_init_umac_loopback(struct link_params *params,
  10621. struct link_vars *vars)
  10622. {
  10623. struct bnx2x *bp = params->bp;
  10624. vars->link_up = 1;
  10625. vars->line_speed = SPEED_1000;
  10626. vars->duplex = DUPLEX_FULL;
  10627. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10628. vars->mac_type = MAC_TYPE_UMAC;
  10629. vars->phy_flags = PHY_XGXS_FLAG;
  10630. bnx2x_umac_enable(params, vars, 1);
  10631. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10632. }
  10633. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10634. struct link_vars *vars)
  10635. {
  10636. struct bnx2x *bp = params->bp;
  10637. vars->link_up = 1;
  10638. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10639. vars->duplex = DUPLEX_FULL;
  10640. if (params->req_line_speed[0] == SPEED_1000)
  10641. vars->line_speed = SPEED_1000;
  10642. else
  10643. vars->line_speed = SPEED_10000;
  10644. if (!USES_WARPCORE(bp))
  10645. bnx2x_xgxs_deassert(params);
  10646. bnx2x_link_initialize(params, vars);
  10647. if (params->req_line_speed[0] == SPEED_1000) {
  10648. if (USES_WARPCORE(bp))
  10649. bnx2x_umac_enable(params, vars, 0);
  10650. else {
  10651. bnx2x_emac_program(params, vars);
  10652. bnx2x_emac_enable(params, vars, 0);
  10653. }
  10654. } else {
  10655. if (USES_WARPCORE(bp))
  10656. bnx2x_xmac_enable(params, vars, 0);
  10657. else
  10658. bnx2x_bmac_enable(params, vars, 0);
  10659. }
  10660. if (params->loopback_mode == LOOPBACK_XGXS) {
  10661. /* set 10G XGXS loopback */
  10662. params->phy[INT_PHY].config_loopback(
  10663. &params->phy[INT_PHY],
  10664. params);
  10665. } else {
  10666. /* set external phy loopback */
  10667. u8 phy_index;
  10668. for (phy_index = EXT_PHY1;
  10669. phy_index < params->num_phys; phy_index++) {
  10670. if (params->phy[phy_index].config_loopback)
  10671. params->phy[phy_index].config_loopback(
  10672. &params->phy[phy_index],
  10673. params);
  10674. }
  10675. }
  10676. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10677. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10678. }
  10679. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10680. {
  10681. struct bnx2x *bp = params->bp;
  10682. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10683. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10684. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10685. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10686. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10687. vars->link_status = 0;
  10688. vars->phy_link_up = 0;
  10689. vars->link_up = 0;
  10690. vars->line_speed = 0;
  10691. vars->duplex = DUPLEX_FULL;
  10692. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10693. vars->mac_type = MAC_TYPE_NONE;
  10694. vars->phy_flags = 0;
  10695. /* disable attentions */
  10696. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10697. (NIG_MASK_XGXS0_LINK_STATUS |
  10698. NIG_MASK_XGXS0_LINK10G |
  10699. NIG_MASK_SERDES0_LINK_STATUS |
  10700. NIG_MASK_MI_INT));
  10701. bnx2x_emac_init(params, vars);
  10702. if (params->num_phys == 0) {
  10703. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10704. return -EINVAL;
  10705. }
  10706. set_phy_vars(params, vars);
  10707. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10708. switch (params->loopback_mode) {
  10709. case LOOPBACK_BMAC:
  10710. bnx2x_init_bmac_loopback(params, vars);
  10711. break;
  10712. case LOOPBACK_EMAC:
  10713. bnx2x_init_emac_loopback(params, vars);
  10714. break;
  10715. case LOOPBACK_XMAC:
  10716. bnx2x_init_xmac_loopback(params, vars);
  10717. break;
  10718. case LOOPBACK_UMAC:
  10719. bnx2x_init_umac_loopback(params, vars);
  10720. break;
  10721. case LOOPBACK_XGXS:
  10722. case LOOPBACK_EXT_PHY:
  10723. bnx2x_init_xgxs_loopback(params, vars);
  10724. break;
  10725. default:
  10726. if (!CHIP_IS_E3(bp)) {
  10727. if (params->switch_cfg == SWITCH_CFG_10G)
  10728. bnx2x_xgxs_deassert(params);
  10729. else
  10730. bnx2x_serdes_deassert(bp, params->port);
  10731. }
  10732. bnx2x_link_initialize(params, vars);
  10733. msleep(30);
  10734. bnx2x_link_int_enable(params);
  10735. break;
  10736. }
  10737. return 0;
  10738. }
  10739. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10740. u8 reset_ext_phy)
  10741. {
  10742. struct bnx2x *bp = params->bp;
  10743. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10744. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10745. /* disable attentions */
  10746. vars->link_status = 0;
  10747. bnx2x_update_mng(params, vars->link_status);
  10748. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10749. (NIG_MASK_XGXS0_LINK_STATUS |
  10750. NIG_MASK_XGXS0_LINK10G |
  10751. NIG_MASK_SERDES0_LINK_STATUS |
  10752. NIG_MASK_MI_INT));
  10753. /* activate nig drain */
  10754. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10755. /* disable nig egress interface */
  10756. if (!CHIP_IS_E3(bp)) {
  10757. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10758. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10759. }
  10760. /* Stop BigMac rx */
  10761. if (!CHIP_IS_E3(bp))
  10762. bnx2x_bmac_rx_disable(bp, port);
  10763. else {
  10764. bnx2x_xmac_disable(params);
  10765. bnx2x_umac_disable(params);
  10766. }
  10767. /* disable emac */
  10768. if (!CHIP_IS_E3(bp))
  10769. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10770. msleep(10);
  10771. /* The PHY reset is controlled by GPIO 1
  10772. * Hold it as vars low
  10773. */
  10774. /* clear link led */
  10775. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10776. if (reset_ext_phy) {
  10777. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10778. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10779. phy_index++) {
  10780. if (params->phy[phy_index].link_reset) {
  10781. bnx2x_set_aer_mmd(params,
  10782. &params->phy[phy_index]);
  10783. params->phy[phy_index].link_reset(
  10784. &params->phy[phy_index],
  10785. params);
  10786. }
  10787. if (params->phy[phy_index].flags &
  10788. FLAGS_REARM_LATCH_SIGNAL)
  10789. clear_latch_ind = 1;
  10790. }
  10791. }
  10792. if (clear_latch_ind) {
  10793. /* Clear latching indication */
  10794. bnx2x_rearm_latch_signal(bp, port, 0);
  10795. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10796. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10797. }
  10798. if (params->phy[INT_PHY].link_reset)
  10799. params->phy[INT_PHY].link_reset(
  10800. &params->phy[INT_PHY], params);
  10801. /* disable nig ingress interface */
  10802. if (!CHIP_IS_E3(bp)) {
  10803. /* reset BigMac */
  10804. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10805. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10806. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10807. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10808. } else {
  10809. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10810. bnx2x_set_xumac_nig(params, 0, 0);
  10811. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10812. MISC_REGISTERS_RESET_REG_2_XMAC)
  10813. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10814. XMAC_CTRL_REG_SOFT_RESET);
  10815. }
  10816. vars->link_up = 0;
  10817. vars->phy_flags = 0;
  10818. return 0;
  10819. }
  10820. /****************************************************************************/
  10821. /* Common function */
  10822. /****************************************************************************/
  10823. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10824. u32 shmem_base_path[],
  10825. u32 shmem2_base_path[], u8 phy_index,
  10826. u32 chip_id)
  10827. {
  10828. struct bnx2x_phy phy[PORT_MAX];
  10829. struct bnx2x_phy *phy_blk[PORT_MAX];
  10830. u16 val;
  10831. s8 port = 0;
  10832. s8 port_of_path = 0;
  10833. u32 swap_val, swap_override;
  10834. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10835. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10836. port ^= (swap_val && swap_override);
  10837. bnx2x_ext_phy_hw_reset(bp, port);
  10838. /* PART1 - Reset both phys */
  10839. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10840. u32 shmem_base, shmem2_base;
  10841. /* In E2, same phy is using for port0 of the two paths */
  10842. if (CHIP_IS_E1x(bp)) {
  10843. shmem_base = shmem_base_path[0];
  10844. shmem2_base = shmem2_base_path[0];
  10845. port_of_path = port;
  10846. } else {
  10847. shmem_base = shmem_base_path[port];
  10848. shmem2_base = shmem2_base_path[port];
  10849. port_of_path = 0;
  10850. }
  10851. /* Extract the ext phy address for the port */
  10852. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10853. port_of_path, &phy[port]) !=
  10854. 0) {
  10855. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10856. return -EINVAL;
  10857. }
  10858. /* disable attentions */
  10859. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10860. port_of_path*4,
  10861. (NIG_MASK_XGXS0_LINK_STATUS |
  10862. NIG_MASK_XGXS0_LINK10G |
  10863. NIG_MASK_SERDES0_LINK_STATUS |
  10864. NIG_MASK_MI_INT));
  10865. /* Need to take the phy out of low power mode in order
  10866. to write to access its registers */
  10867. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10868. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10869. port);
  10870. /* Reset the phy */
  10871. bnx2x_cl45_write(bp, &phy[port],
  10872. MDIO_PMA_DEVAD,
  10873. MDIO_PMA_REG_CTRL,
  10874. 1<<15);
  10875. }
  10876. /* Add delay of 150ms after reset */
  10877. msleep(150);
  10878. if (phy[PORT_0].addr & 0x1) {
  10879. phy_blk[PORT_0] = &(phy[PORT_1]);
  10880. phy_blk[PORT_1] = &(phy[PORT_0]);
  10881. } else {
  10882. phy_blk[PORT_0] = &(phy[PORT_0]);
  10883. phy_blk[PORT_1] = &(phy[PORT_1]);
  10884. }
  10885. /* PART2 - Download firmware to both phys */
  10886. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10887. if (CHIP_IS_E1x(bp))
  10888. port_of_path = port;
  10889. else
  10890. port_of_path = 0;
  10891. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10892. phy_blk[port]->addr);
  10893. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10894. port_of_path))
  10895. return -EINVAL;
  10896. /* Only set bit 10 = 1 (Tx power down) */
  10897. bnx2x_cl45_read(bp, phy_blk[port],
  10898. MDIO_PMA_DEVAD,
  10899. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10900. /* Phase1 of TX_POWER_DOWN reset */
  10901. bnx2x_cl45_write(bp, phy_blk[port],
  10902. MDIO_PMA_DEVAD,
  10903. MDIO_PMA_REG_TX_POWER_DOWN,
  10904. (val | 1<<10));
  10905. }
  10906. /*
  10907. * Toggle Transmitter: Power down and then up with 600ms delay
  10908. * between
  10909. */
  10910. msleep(600);
  10911. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10912. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10913. /* Phase2 of POWER_DOWN_RESET */
  10914. /* Release bit 10 (Release Tx power down) */
  10915. bnx2x_cl45_read(bp, phy_blk[port],
  10916. MDIO_PMA_DEVAD,
  10917. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10918. bnx2x_cl45_write(bp, phy_blk[port],
  10919. MDIO_PMA_DEVAD,
  10920. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10921. msleep(15);
  10922. /* Read modify write the SPI-ROM version select register */
  10923. bnx2x_cl45_read(bp, phy_blk[port],
  10924. MDIO_PMA_DEVAD,
  10925. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10926. bnx2x_cl45_write(bp, phy_blk[port],
  10927. MDIO_PMA_DEVAD,
  10928. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10929. /* set GPIO2 back to LOW */
  10930. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10931. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10932. }
  10933. return 0;
  10934. }
  10935. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10936. u32 shmem_base_path[],
  10937. u32 shmem2_base_path[], u8 phy_index,
  10938. u32 chip_id)
  10939. {
  10940. u32 val;
  10941. s8 port;
  10942. struct bnx2x_phy phy;
  10943. /* Use port1 because of the static port-swap */
  10944. /* Enable the module detection interrupt */
  10945. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10946. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10947. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10948. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10949. bnx2x_ext_phy_hw_reset(bp, 0);
  10950. msleep(5);
  10951. for (port = 0; port < PORT_MAX; port++) {
  10952. u32 shmem_base, shmem2_base;
  10953. /* In E2, same phy is using for port0 of the two paths */
  10954. if (CHIP_IS_E1x(bp)) {
  10955. shmem_base = shmem_base_path[0];
  10956. shmem2_base = shmem2_base_path[0];
  10957. } else {
  10958. shmem_base = shmem_base_path[port];
  10959. shmem2_base = shmem2_base_path[port];
  10960. }
  10961. /* Extract the ext phy address for the port */
  10962. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10963. port, &phy) !=
  10964. 0) {
  10965. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10966. return -EINVAL;
  10967. }
  10968. /* Reset phy*/
  10969. bnx2x_cl45_write(bp, &phy,
  10970. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10971. /* Set fault module detected LED on */
  10972. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10973. MISC_REGISTERS_GPIO_HIGH,
  10974. port);
  10975. }
  10976. return 0;
  10977. }
  10978. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10979. u8 *io_gpio, u8 *io_port)
  10980. {
  10981. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10982. offsetof(struct shmem_region,
  10983. dev_info.port_hw_config[PORT_0].default_cfg));
  10984. switch (phy_gpio_reset) {
  10985. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10986. *io_gpio = 0;
  10987. *io_port = 0;
  10988. break;
  10989. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10990. *io_gpio = 1;
  10991. *io_port = 0;
  10992. break;
  10993. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10994. *io_gpio = 2;
  10995. *io_port = 0;
  10996. break;
  10997. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10998. *io_gpio = 3;
  10999. *io_port = 0;
  11000. break;
  11001. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11002. *io_gpio = 0;
  11003. *io_port = 1;
  11004. break;
  11005. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11006. *io_gpio = 1;
  11007. *io_port = 1;
  11008. break;
  11009. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11010. *io_gpio = 2;
  11011. *io_port = 1;
  11012. break;
  11013. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11014. *io_gpio = 3;
  11015. *io_port = 1;
  11016. break;
  11017. default:
  11018. /* Don't override the io_gpio and io_port */
  11019. break;
  11020. }
  11021. }
  11022. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11023. u32 shmem_base_path[],
  11024. u32 shmem2_base_path[], u8 phy_index,
  11025. u32 chip_id)
  11026. {
  11027. s8 port, reset_gpio;
  11028. u32 swap_val, swap_override;
  11029. struct bnx2x_phy phy[PORT_MAX];
  11030. struct bnx2x_phy *phy_blk[PORT_MAX];
  11031. s8 port_of_path;
  11032. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11033. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11034. reset_gpio = MISC_REGISTERS_GPIO_1;
  11035. port = 1;
  11036. /*
  11037. * Retrieve the reset gpio/port which control the reset.
  11038. * Default is GPIO1, PORT1
  11039. */
  11040. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11041. (u8 *)&reset_gpio, (u8 *)&port);
  11042. /* Calculate the port based on port swap */
  11043. port ^= (swap_val && swap_override);
  11044. /* Initiate PHY reset*/
  11045. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11046. port);
  11047. msleep(1);
  11048. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11049. port);
  11050. msleep(5);
  11051. /* PART1 - Reset both phys */
  11052. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11053. u32 shmem_base, shmem2_base;
  11054. /* In E2, same phy is using for port0 of the two paths */
  11055. if (CHIP_IS_E1x(bp)) {
  11056. shmem_base = shmem_base_path[0];
  11057. shmem2_base = shmem2_base_path[0];
  11058. port_of_path = port;
  11059. } else {
  11060. shmem_base = shmem_base_path[port];
  11061. shmem2_base = shmem2_base_path[port];
  11062. port_of_path = 0;
  11063. }
  11064. /* Extract the ext phy address for the port */
  11065. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11066. port_of_path, &phy[port]) !=
  11067. 0) {
  11068. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11069. return -EINVAL;
  11070. }
  11071. /* disable attentions */
  11072. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11073. port_of_path*4,
  11074. (NIG_MASK_XGXS0_LINK_STATUS |
  11075. NIG_MASK_XGXS0_LINK10G |
  11076. NIG_MASK_SERDES0_LINK_STATUS |
  11077. NIG_MASK_MI_INT));
  11078. /* Reset the phy */
  11079. bnx2x_cl45_write(bp, &phy[port],
  11080. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11081. }
  11082. /* Add delay of 150ms after reset */
  11083. msleep(150);
  11084. if (phy[PORT_0].addr & 0x1) {
  11085. phy_blk[PORT_0] = &(phy[PORT_1]);
  11086. phy_blk[PORT_1] = &(phy[PORT_0]);
  11087. } else {
  11088. phy_blk[PORT_0] = &(phy[PORT_0]);
  11089. phy_blk[PORT_1] = &(phy[PORT_1]);
  11090. }
  11091. /* PART2 - Download firmware to both phys */
  11092. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11093. if (CHIP_IS_E1x(bp))
  11094. port_of_path = port;
  11095. else
  11096. port_of_path = 0;
  11097. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11098. phy_blk[port]->addr);
  11099. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11100. port_of_path))
  11101. return -EINVAL;
  11102. /* Disable PHY transmitter output */
  11103. bnx2x_cl45_write(bp, phy_blk[port],
  11104. MDIO_PMA_DEVAD,
  11105. MDIO_PMA_REG_TX_DISABLE, 1);
  11106. }
  11107. return 0;
  11108. }
  11109. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11110. u32 shmem_base_path[],
  11111. u32 shmem2_base_path[],
  11112. u8 phy_index,
  11113. u32 chip_id)
  11114. {
  11115. u8 reset_gpios;
  11116. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11117. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11118. udelay(10);
  11119. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11120. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11121. reset_gpios);
  11122. return 0;
  11123. }
  11124. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11125. struct bnx2x_phy *phy)
  11126. {
  11127. u16 val, cnt;
  11128. /* Wait for FW completing its initialization. */
  11129. for (cnt = 0; cnt < 1500; cnt++) {
  11130. bnx2x_cl45_read(bp, phy,
  11131. MDIO_PMA_DEVAD,
  11132. MDIO_PMA_REG_CTRL, &val);
  11133. if (!(val & (1<<15)))
  11134. break;
  11135. msleep(1);
  11136. }
  11137. if (cnt >= 1500) {
  11138. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11139. return -EINVAL;
  11140. }
  11141. /* Put the port in super isolate mode. */
  11142. bnx2x_cl45_read(bp, phy,
  11143. MDIO_CTL_DEVAD,
  11144. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11145. val |= MDIO_84833_SUPER_ISOLATE;
  11146. bnx2x_cl45_write(bp, phy,
  11147. MDIO_CTL_DEVAD,
  11148. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11149. /* Save spirom version */
  11150. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11151. return 0;
  11152. }
  11153. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11154. u32 shmem_base,
  11155. u32 shmem2_base,
  11156. u32 chip_id)
  11157. {
  11158. int rc = 0;
  11159. struct bnx2x_phy phy;
  11160. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11161. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11162. PORT_0, &phy)) {
  11163. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11164. return -EINVAL;
  11165. }
  11166. switch (phy.type) {
  11167. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11168. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11169. break;
  11170. default:
  11171. break;
  11172. }
  11173. return rc;
  11174. }
  11175. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11176. u32 shmem2_base_path[], u8 phy_index,
  11177. u32 ext_phy_type, u32 chip_id)
  11178. {
  11179. int rc = 0;
  11180. switch (ext_phy_type) {
  11181. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11182. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11183. shmem2_base_path,
  11184. phy_index, chip_id);
  11185. break;
  11186. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11187. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11188. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11189. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11190. shmem2_base_path,
  11191. phy_index, chip_id);
  11192. break;
  11193. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11194. /*
  11195. * GPIO1 affects both ports, so there's need to pull
  11196. * it for single port alone
  11197. */
  11198. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11199. shmem2_base_path,
  11200. phy_index, chip_id);
  11201. break;
  11202. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11203. /*
  11204. * GPIO3's are linked, and so both need to be toggled
  11205. * to obtain required 2us pulse.
  11206. */
  11207. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11208. shmem2_base_path,
  11209. phy_index, chip_id);
  11210. break;
  11211. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11212. rc = -EINVAL;
  11213. break;
  11214. default:
  11215. DP(NETIF_MSG_LINK,
  11216. "ext_phy 0x%x common init not required\n",
  11217. ext_phy_type);
  11218. break;
  11219. }
  11220. if (rc != 0)
  11221. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11222. " Port %d\n",
  11223. 0);
  11224. return rc;
  11225. }
  11226. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11227. u32 shmem2_base_path[], u32 chip_id)
  11228. {
  11229. int rc = 0;
  11230. u32 phy_ver, val;
  11231. u8 phy_index = 0;
  11232. u32 ext_phy_type, ext_phy_config;
  11233. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11234. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11235. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11236. if (CHIP_IS_E3(bp)) {
  11237. /* Enable EPIO */
  11238. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11239. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11240. }
  11241. /* Check if common init was already done */
  11242. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11243. offsetof(struct shmem_region,
  11244. port_mb[PORT_0].ext_phy_fw_version));
  11245. if (phy_ver) {
  11246. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11247. phy_ver);
  11248. return 0;
  11249. }
  11250. /* Read the ext_phy_type for arbitrary port(0) */
  11251. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11252. phy_index++) {
  11253. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11254. shmem_base_path[0],
  11255. phy_index, 0);
  11256. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11257. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11258. shmem2_base_path,
  11259. phy_index, ext_phy_type,
  11260. chip_id);
  11261. }
  11262. return rc;
  11263. }
  11264. static void bnx2x_check_over_curr(struct link_params *params,
  11265. struct link_vars *vars)
  11266. {
  11267. struct bnx2x *bp = params->bp;
  11268. u32 cfg_pin;
  11269. u8 port = params->port;
  11270. u32 pin_val;
  11271. cfg_pin = (REG_RD(bp, params->shmem_base +
  11272. offsetof(struct shmem_region,
  11273. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11274. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11275. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11276. /* Ignore check if no external input PIN available */
  11277. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11278. return;
  11279. if (!pin_val) {
  11280. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11281. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11282. " been detected and the power to "
  11283. "that SFP+ module has been removed"
  11284. " to prevent failure of the card."
  11285. " Please remove the SFP+ module and"
  11286. " restart the system to clear this"
  11287. " error.\n",
  11288. params->port);
  11289. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11290. }
  11291. } else
  11292. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11293. }
  11294. static void bnx2x_analyze_link_error(struct link_params *params,
  11295. struct link_vars *vars, u32 lss_status)
  11296. {
  11297. struct bnx2x *bp = params->bp;
  11298. /* Compare new value with previous value */
  11299. u8 led_mode;
  11300. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11301. if ((lss_status ^ half_open_conn) == 0)
  11302. return;
  11303. /* If values differ */
  11304. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11305. half_open_conn, lss_status);
  11306. /*
  11307. * a. Update shmem->link_status accordingly
  11308. * b. Update link_vars->link_up
  11309. */
  11310. if (lss_status) {
  11311. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11312. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11313. vars->link_up = 0;
  11314. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11315. /*
  11316. * Set LED mode to off since the PHY doesn't know about these
  11317. * errors
  11318. */
  11319. led_mode = LED_MODE_OFF;
  11320. } else {
  11321. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11322. vars->link_status |= LINK_STATUS_LINK_UP;
  11323. vars->link_up = 1;
  11324. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11325. led_mode = LED_MODE_OPER;
  11326. }
  11327. /* Update the LED according to the link state */
  11328. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11329. /* Update link status in the shared memory */
  11330. bnx2x_update_mng(params, vars->link_status);
  11331. /* C. Trigger General Attention */
  11332. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11333. bnx2x_notify_link_changed(bp);
  11334. }
  11335. /******************************************************************************
  11336. * Description:
  11337. * This function checks for half opened connection change indication.
  11338. * When such change occurs, it calls the bnx2x_analyze_link_error
  11339. * to check if Remote Fault is set or cleared. Reception of remote fault
  11340. * status message in the MAC indicates that the peer's MAC has detected
  11341. * a fault, for example, due to break in the TX side of fiber.
  11342. *
  11343. ******************************************************************************/
  11344. static void bnx2x_check_half_open_conn(struct link_params *params,
  11345. struct link_vars *vars)
  11346. {
  11347. struct bnx2x *bp = params->bp;
  11348. u32 lss_status = 0;
  11349. u32 mac_base;
  11350. /* In case link status is physically up @ 10G do */
  11351. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11352. return;
  11353. if (CHIP_IS_E3(bp) &&
  11354. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11355. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11356. /* Check E3 XMAC */
  11357. /*
  11358. * Note that link speed cannot be queried here, since it may be
  11359. * zero while link is down. In case UMAC is active, LSS will
  11360. * simply not be set
  11361. */
  11362. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11363. /* Clear stick bits (Requires rising edge) */
  11364. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11365. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11366. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11367. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11368. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11369. lss_status = 1;
  11370. bnx2x_analyze_link_error(params, vars, lss_status);
  11371. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11372. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11373. /* Check E1X / E2 BMAC */
  11374. u32 lss_status_reg;
  11375. u32 wb_data[2];
  11376. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11377. NIG_REG_INGRESS_BMAC0_MEM;
  11378. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11379. if (CHIP_IS_E2(bp))
  11380. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11381. else
  11382. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11383. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11384. lss_status = (wb_data[0] > 0);
  11385. bnx2x_analyze_link_error(params, vars, lss_status);
  11386. }
  11387. }
  11388. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11389. {
  11390. struct bnx2x *bp = params->bp;
  11391. u16 phy_idx;
  11392. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11393. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11394. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11395. bnx2x_check_half_open_conn(params, vars);
  11396. break;
  11397. }
  11398. }
  11399. if (CHIP_IS_E3(bp)) {
  11400. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11401. bnx2x_set_aer_mmd(params, phy);
  11402. bnx2x_check_over_curr(params, vars);
  11403. bnx2x_warpcore_config_runtime(phy, params, vars);
  11404. }
  11405. }
  11406. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11407. {
  11408. u8 phy_index;
  11409. struct bnx2x_phy phy;
  11410. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11411. phy_index++) {
  11412. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11413. 0, &phy) != 0) {
  11414. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11415. return 0;
  11416. }
  11417. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11418. return 1;
  11419. }
  11420. return 0;
  11421. }
  11422. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11423. u32 shmem_base,
  11424. u32 shmem2_base,
  11425. u8 port)
  11426. {
  11427. u8 phy_index, fan_failure_det_req = 0;
  11428. struct bnx2x_phy phy;
  11429. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11430. phy_index++) {
  11431. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11432. port, &phy)
  11433. != 0) {
  11434. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11435. return 0;
  11436. }
  11437. fan_failure_det_req |= (phy.flags &
  11438. FLAGS_FAN_FAILURE_DET_REQ);
  11439. }
  11440. return fan_failure_det_req;
  11441. }
  11442. void bnx2x_hw_reset_phy(struct link_params *params)
  11443. {
  11444. u8 phy_index;
  11445. struct bnx2x *bp = params->bp;
  11446. bnx2x_update_mng(params, 0);
  11447. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11448. (NIG_MASK_XGXS0_LINK_STATUS |
  11449. NIG_MASK_XGXS0_LINK10G |
  11450. NIG_MASK_SERDES0_LINK_STATUS |
  11451. NIG_MASK_MI_INT));
  11452. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11453. phy_index++) {
  11454. if (params->phy[phy_index].hw_reset) {
  11455. params->phy[phy_index].hw_reset(
  11456. &params->phy[phy_index],
  11457. params);
  11458. params->phy[phy_index] = phy_null;
  11459. }
  11460. }
  11461. }
  11462. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11463. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11464. u8 port)
  11465. {
  11466. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11467. u32 val;
  11468. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11469. if (CHIP_IS_E3(bp)) {
  11470. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11471. shmem_base,
  11472. port,
  11473. &gpio_num,
  11474. &gpio_port) != 0)
  11475. return;
  11476. } else {
  11477. struct bnx2x_phy phy;
  11478. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11479. phy_index++) {
  11480. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11481. shmem2_base, port, &phy)
  11482. != 0) {
  11483. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11484. return;
  11485. }
  11486. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11487. gpio_num = MISC_REGISTERS_GPIO_3;
  11488. gpio_port = port;
  11489. break;
  11490. }
  11491. }
  11492. }
  11493. if (gpio_num == 0xff)
  11494. return;
  11495. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11496. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11497. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11498. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11499. gpio_port ^= (swap_val && swap_override);
  11500. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11501. (gpio_num + (gpio_port << 2));
  11502. sync_offset = shmem_base +
  11503. offsetof(struct shmem_region,
  11504. dev_info.port_hw_config[port].aeu_int_mask);
  11505. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11506. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11507. gpio_num, gpio_port, vars->aeu_int_mask);
  11508. if (port == 0)
  11509. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11510. else
  11511. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11512. /* Open appropriate AEU for interrupts */
  11513. aeu_mask = REG_RD(bp, offset);
  11514. aeu_mask |= vars->aeu_int_mask;
  11515. REG_WR(bp, offset, aeu_mask);
  11516. /* Enable the GPIO to trigger interrupt */
  11517. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11518. val |= 1 << (gpio_num + (gpio_port << 2));
  11519. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11520. }