bnx2x_link.c 357 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132713371347135713671377138713971407141714271437144714571467147714871497150715171527153715471557156715771587159716071617162716371647165716671677168716971707171717271737174717571767177717871797180718171827183718471857186718771887189719071917192719371947195719671977198719972007201720272037204720572067207720872097210721172127213721472157216721772187219722072217222722372247225722672277228722972307231723272337234723572367237723872397240724172427243724472457246724772487249725072517252725372547255725672577258725972607261726272637264726572667267726872697270727172727273727472757276727772787279728072817282728372847285728672877288728972907291729272937294729572967297729872997300730173027303730473057306730773087309731073117312731373147315731673177318731973207321732273237324732573267327732873297330733173327333733473357336733773387339734073417342734373447345734673477348734973507351735273537354735573567357735873597360736173627363736473657366736773687369737073717372737373747375737673777378737973807381738273837384738573867387738873897390739173927393739473957396739773987399740074017402740374047405740674077408740974107411741274137414741574167417741874197420742174227423742474257426742774287429743074317432743374347435743674377438743974407441744274437444744574467447744874497450745174527453745474557456745774587459746074617462746374647465746674677468746974707471747274737474747574767477747874797480748174827483748474857486748774887489749074917492749374947495749674977498749975007501750275037504750575067507750875097510751175127513751475157516751775187519752075217522752375247525752675277528752975307531753275337534753575367537753875397540754175427543754475457546754775487549755075517552755375547555755675577558755975607561756275637564756575667567756875697570757175727573757475757576757775787579758075817582758375847585758675877588758975907591759275937594759575967597759875997600760176027603760476057606760776087609761076117612761376147615761676177618761976207621762276237624762576267627762876297630763176327633763476357636763776387639764076417642764376447645764676477648764976507651765276537654765576567657765876597660766176627663766476657666766776687669767076717672767376747675767676777678767976807681768276837684768576867687768876897690769176927693769476957696769776987699770077017702770377047705770677077708770977107711771277137714771577167717771877197720772177227723772477257726772777287729773077317732773377347735773677377738773977407741774277437744774577467747774877497750775177527753775477557756775777587759776077617762776377647765776677677768776977707771777277737774777577767777777877797780778177827783778477857786778777887789779077917792779377947795779677977798779978007801780278037804780578067807780878097810781178127813781478157816781778187819782078217822782378247825782678277828782978307831783278337834783578367837783878397840784178427843784478457846784778487849785078517852785378547855785678577858785978607861786278637864786578667867786878697870787178727873787478757876787778787879788078817882788378847885788678877888788978907891789278937894789578967897789878997900790179027903790479057906790779087909791079117912791379147915791679177918791979207921792279237924792579267927792879297930793179327933793479357936793779387939794079417942794379447945794679477948794979507951795279537954795579567957795879597960796179627963796479657966796779687969797079717972797379747975797679777978797979807981798279837984798579867987798879897990799179927993799479957996799779987999800080018002800380048005800680078008800980108011801280138014801580168017801880198020802180228023802480258026802780288029803080318032803380348035803680378038803980408041804280438044804580468047804880498050805180528053805480558056805780588059806080618062806380648065806680678068806980708071807280738074807580768077807880798080808180828083808480858086808780888089809080918092809380948095809680978098809981008101810281038104810581068107810881098110811181128113811481158116811781188119812081218122812381248125812681278128812981308131813281338134813581368137813881398140814181428143814481458146814781488149815081518152815381548155815681578158815981608161816281638164816581668167816881698170817181728173817481758176817781788179818081818182818381848185818681878188818981908191819281938194819581968197819881998200820182028203820482058206820782088209821082118212821382148215821682178218821982208221822282238224822582268227822882298230823182328233823482358236823782388239824082418242824382448245824682478248824982508251825282538254825582568257825882598260826182628263826482658266826782688269827082718272827382748275827682778278827982808281828282838284828582868287828882898290829182928293829482958296829782988299830083018302830383048305830683078308830983108311831283138314831583168317831883198320832183228323832483258326832783288329833083318332833383348335833683378338833983408341834283438344834583468347834883498350835183528353835483558356835783588359836083618362836383648365836683678368836983708371837283738374837583768377837883798380838183828383838483858386838783888389839083918392839383948395839683978398839984008401840284038404840584068407840884098410841184128413841484158416841784188419842084218422842384248425842684278428842984308431843284338434843584368437843884398440844184428443844484458446844784488449845084518452845384548455845684578458845984608461846284638464846584668467846884698470847184728473847484758476847784788479848084818482848384848485848684878488848984908491849284938494849584968497849884998500850185028503850485058506850785088509851085118512851385148515851685178518851985208521852285238524852585268527852885298530853185328533853485358536853785388539854085418542854385448545854685478548854985508551855285538554855585568557855885598560856185628563856485658566856785688569857085718572857385748575857685778578857985808581858285838584858585868587858885898590859185928593859485958596859785988599860086018602860386048605860686078608860986108611861286138614861586168617861886198620862186228623862486258626862786288629863086318632863386348635863686378638863986408641864286438644864586468647864886498650865186528653865486558656865786588659866086618662866386648665866686678668866986708671867286738674867586768677867886798680868186828683868486858686868786888689869086918692869386948695869686978698869987008701870287038704870587068707870887098710871187128713871487158716871787188719872087218722872387248725872687278728872987308731873287338734873587368737873887398740874187428743874487458746874787488749875087518752875387548755875687578758875987608761876287638764876587668767876887698770877187728773877487758776877787788779878087818782878387848785878687878788878987908791879287938794879587968797879887998800880188028803880488058806880788088809881088118812881388148815881688178818881988208821882288238824882588268827882888298830883188328833883488358836883788388839884088418842884388448845884688478848884988508851885288538854885588568857885888598860886188628863886488658866886788688869887088718872887388748875887688778878887988808881888288838884888588868887888888898890889188928893889488958896889788988899890089018902890389048905890689078908890989108911891289138914891589168917891889198920892189228923892489258926892789288929893089318932893389348935893689378938893989408941894289438944894589468947894889498950895189528953895489558956895789588959896089618962896389648965896689678968896989708971897289738974897589768977897889798980898189828983898489858986898789888989899089918992899389948995899689978998899990009001900290039004900590069007900890099010901190129013901490159016901790189019902090219022902390249025902690279028902990309031903290339034903590369037903890399040904190429043904490459046904790489049905090519052905390549055905690579058905990609061906290639064906590669067906890699070907190729073907490759076907790789079908090819082908390849085908690879088908990909091909290939094909590969097909890999100910191029103910491059106910791089109911091119112911391149115911691179118911991209121912291239124912591269127912891299130913191329133913491359136913791389139914091419142914391449145914691479148914991509151915291539154915591569157915891599160916191629163916491659166916791689169917091719172917391749175917691779178917991809181918291839184918591869187918891899190919191929193919491959196919791989199920092019202920392049205920692079208920992109211921292139214921592169217921892199220922192229223922492259226922792289229923092319232923392349235923692379238923992409241924292439244924592469247924892499250925192529253925492559256925792589259926092619262926392649265926692679268926992709271927292739274927592769277927892799280928192829283928492859286928792889289929092919292929392949295929692979298929993009301930293039304930593069307930893099310931193129313931493159316931793189319932093219322932393249325932693279328932993309331933293339334933593369337933893399340934193429343934493459346934793489349935093519352935393549355935693579358935993609361936293639364936593669367936893699370937193729373937493759376937793789379938093819382938393849385938693879388938993909391939293939394939593969397939893999400940194029403940494059406940794089409941094119412941394149415941694179418941994209421942294239424942594269427942894299430943194329433943494359436943794389439944094419442944394449445944694479448944994509451945294539454945594569457945894599460946194629463946494659466946794689469947094719472947394749475947694779478947994809481948294839484948594869487948894899490949194929493949494959496949794989499950095019502950395049505950695079508950995109511951295139514951595169517951895199520952195229523952495259526952795289529953095319532953395349535953695379538953995409541954295439544954595469547954895499550955195529553955495559556955795589559956095619562956395649565956695679568956995709571957295739574957595769577957895799580958195829583958495859586958795889589959095919592959395949595959695979598959996009601960296039604960596069607960896099610961196129613961496159616961796189619962096219622962396249625962696279628962996309631963296339634963596369637963896399640964196429643964496459646964796489649965096519652965396549655965696579658965996609661966296639664966596669667966896699670967196729673967496759676967796789679968096819682968396849685968696879688968996909691969296939694969596969697969896999700970197029703970497059706970797089709971097119712971397149715971697179718971997209721972297239724972597269727972897299730973197329733973497359736973797389739974097419742974397449745974697479748974997509751975297539754975597569757975897599760976197629763976497659766976797689769977097719772977397749775977697779778977997809781978297839784978597869787978897899790979197929793979497959796979797989799980098019802980398049805980698079808980998109811981298139814981598169817981898199820982198229823982498259826982798289829983098319832983398349835983698379838983998409841984298439844984598469847984898499850985198529853985498559856985798589859986098619862986398649865986698679868986998709871987298739874987598769877987898799880988198829883988498859886988798889889989098919892989398949895989698979898989999009901990299039904990599069907990899099910991199129913991499159916991799189919992099219922992399249925992699279928992999309931993299339934993599369937993899399940994199429943994499459946994799489949995099519952995399549955995699579958995999609961996299639964996599669967996899699970997199729973997499759976997799789979998099819982998399849985998699879988998999909991999299939994999599969997999899991000010001100021000310004100051000610007100081000910010100111001210013100141001510016100171001810019100201002110022100231002410025100261002710028100291003010031100321003310034100351003610037100381003910040100411004210043100441004510046100471004810049100501005110052100531005410055100561005710058100591006010061100621006310064100651006610067100681006910070100711007210073100741007510076100771007810079100801008110082100831008410085100861008710088100891009010091100921009310094100951009610097100981009910100101011010210103101041010510106101071010810109101101011110112101131011410115101161011710118101191012010121101221012310124101251012610127101281012910130101311013210133101341013510136101371013810139101401014110142101431014410145101461014710148101491015010151101521015310154101551015610157101581015910160101611016210163101641016510166101671016810169101701017110172101731017410175101761017710178101791018010181101821018310184101851018610187101881018910190101911019210193101941019510196101971019810199102001020110202102031020410205102061020710208102091021010211102121021310214102151021610217102181021910220102211022210223102241022510226102271022810229102301023110232102331023410235102361023710238102391024010241102421024310244102451024610247102481024910250102511025210253102541025510256102571025810259102601026110262102631026410265102661026710268102691027010271102721027310274102751027610277102781027910280102811028210283102841028510286102871028810289102901029110292102931029410295102961029710298102991030010301103021030310304103051030610307103081030910310103111031210313103141031510316103171031810319103201032110322103231032410325103261032710328103291033010331103321033310334103351033610337103381033910340103411034210343103441034510346103471034810349103501035110352103531035410355103561035710358103591036010361103621036310364103651036610367103681036910370103711037210373103741037510376103771037810379103801038110382103831038410385103861038710388103891039010391103921039310394103951039610397103981039910400104011040210403104041040510406104071040810409104101041110412104131041410415104161041710418104191042010421104221042310424104251042610427104281042910430104311043210433104341043510436104371043810439104401044110442104431044410445104461044710448104491045010451104521045310454104551045610457104581045910460104611046210463104641046510466104671046810469104701047110472104731047410475104761047710478104791048010481104821048310484104851048610487104881048910490104911049210493104941049510496104971049810499105001050110502105031050410505105061050710508105091051010511105121051310514105151051610517105181051910520105211052210523105241052510526105271052810529105301053110532105331053410535105361053710538105391054010541105421054310544105451054610547105481054910550105511055210553105541055510556105571055810559105601056110562105631056410565105661056710568105691057010571105721057310574105751057610577105781057910580105811058210583105841058510586105871058810589105901059110592105931059410595105961059710598105991060010601106021060310604106051060610607106081060910610106111061210613106141061510616106171061810619106201062110622106231062410625106261062710628106291063010631106321063310634106351063610637106381063910640106411064210643106441064510646106471064810649106501065110652106531065410655106561065710658106591066010661106621066310664106651066610667106681066910670106711067210673106741067510676106771067810679106801068110682106831068410685106861068710688106891069010691106921069310694106951069610697106981069910700107011070210703107041070510706107071070810709107101071110712107131071410715107161071710718107191072010721107221072310724107251072610727107281072910730107311073210733107341073510736107371073810739107401074110742107431074410745107461074710748107491075010751107521075310754107551075610757107581075910760107611076210763107641076510766107671076810769107701077110772107731077410775107761077710778107791078010781107821078310784107851078610787107881078910790107911079210793107941079510796107971079810799108001080110802108031080410805108061080710808108091081010811108121081310814108151081610817108181081910820108211082210823108241082510826108271082810829108301083110832108331083410835108361083710838108391084010841108421084310844108451084610847108481084910850108511085210853108541085510856108571085810859108601086110862108631086410865108661086710868108691087010871108721087310874108751087610877108781087910880108811088210883108841088510886108871088810889108901089110892108931089410895108961089710898108991090010901109021090310904109051090610907109081090910910109111091210913109141091510916109171091810919109201092110922109231092410925109261092710928109291093010931109321093310934109351093610937109381093910940109411094210943109441094510946109471094810949109501095110952109531095410955109561095710958109591096010961109621096310964109651096610967109681096910970109711097210973109741097510976109771097810979109801098110982109831098410985109861098710988109891099010991109921099310994109951099610997109981099911000110011100211003110041100511006110071100811009110101101111012110131101411015110161101711018110191102011021110221102311024110251102611027110281102911030110311103211033110341103511036110371103811039110401104111042110431104411045110461104711048110491105011051110521105311054110551105611057110581105911060110611106211063110641106511066110671106811069110701107111072110731107411075110761107711078110791108011081110821108311084110851108611087110881108911090110911109211093110941109511096110971109811099111001110111102111031110411105111061110711108111091111011111111121111311114111151111611117111181111911120111211112211123111241112511126111271112811129111301113111132111331113411135111361113711138111391114011141111421114311144111451114611147111481114911150111511115211153111541115511156111571115811159111601116111162111631116411165111661116711168111691117011171111721117311174111751117611177111781117911180111811118211183111841118511186111871118811189111901119111192111931119411195111961119711198111991120011201112021120311204112051120611207112081120911210112111121211213112141121511216112171121811219112201122111222112231122411225112261122711228112291123011231112321123311234112351123611237112381123911240112411124211243112441124511246112471124811249112501125111252112531125411255112561125711258112591126011261112621126311264112651126611267112681126911270112711127211273112741127511276112771127811279112801128111282112831128411285112861128711288112891129011291112921129311294112951129611297112981129911300113011130211303113041130511306113071130811309113101131111312113131131411315113161131711318113191132011321113221132311324113251132611327113281132911330113311133211333113341133511336113371133811339113401134111342113431134411345113461134711348113491135011351113521135311354113551135611357113581135911360113611136211363113641136511366113671136811369113701137111372113731137411375113761137711378113791138011381113821138311384113851138611387113881138911390113911139211393113941139511396113971139811399114001140111402114031140411405114061140711408114091141011411114121141311414114151141611417114181141911420114211142211423114241142511426114271142811429114301143111432114331143411435114361143711438114391144011441114421144311444114451144611447114481144911450114511145211453114541145511456114571145811459114601146111462114631146411465114661146711468114691147011471114721147311474114751147611477114781147911480114811148211483114841148511486114871148811489114901149111492114931149411495114961149711498114991150011501115021150311504115051150611507115081150911510115111151211513115141151511516115171151811519115201152111522115231152411525115261152711528115291153011531115321153311534115351153611537115381153911540115411154211543115441154511546115471154811549115501155111552115531155411555115561155711558115591156011561115621156311564115651156611567115681156911570115711157211573115741157511576115771157811579115801158111582115831158411585115861158711588115891159011591115921159311594115951159611597115981159911600116011160211603116041160511606116071160811609116101161111612116131161411615116161161711618116191162011621116221162311624116251162611627116281162911630116311163211633116341163511636116371163811639116401164111642116431164411645116461164711648116491165011651116521165311654116551165611657116581165911660116611166211663116641166511666116671166811669116701167111672116731167411675116761167711678116791168011681116821168311684116851168611687116881168911690116911169211693116941169511696116971169811699117001170111702117031170411705117061170711708117091171011711117121171311714117151171611717117181171911720117211172211723117241172511726117271172811729117301173111732117331173411735117361173711738117391174011741117421174311744117451174611747117481174911750117511175211753117541175511756117571175811759117601176111762117631176411765117661176711768117691177011771117721177311774117751177611777117781177911780117811178211783117841178511786117871178811789117901179111792117931179411795117961179711798117991180011801118021180311804118051180611807118081180911810118111181211813118141181511816118171181811819118201182111822118231182411825118261182711828118291183011831118321183311834118351183611837118381183911840118411184211843118441184511846118471184811849118501185111852118531185411855118561185711858118591186011861118621186311864118651186611867118681186911870118711187211873118741187511876118771187811879118801188111882118831188411885118861188711888118891189011891118921189311894118951189611897118981189911900119011190211903119041190511906119071190811909119101191111912119131191411915119161191711918119191192011921119221192311924119251192611927119281192911930119311193211933119341193511936119371193811939119401194111942119431194411945119461194711948119491195011951119521195311954119551195611957119581195911960119611196211963119641196511966119671196811969119701197111972119731197411975119761197711978119791198011981119821198311984119851198611987119881198911990119911199211993119941199511996119971199811999120001200112002120031200412005120061200712008120091201012011120121201312014120151201612017120181201912020120211202212023120241202512026120271202812029120301203112032120331203412035120361203712038120391204012041120421204312044120451204612047120481204912050120511205212053120541205512056120571205812059120601206112062120631206412065120661206712068120691207012071120721207312074120751207612077120781207912080120811208212083120841208512086120871208812089120901209112092120931209412095120961209712098120991210012101121021210312104121051210612107121081210912110121111211212113121141211512116121171211812119121201212112122121231212412125121261212712128121291213012131121321213312134121351213612137121381213912140121411214212143121441214512146121471214812149121501215112152121531215412155121561215712158121591216012161121621216312164121651216612167121681216912170121711217212173121741217512176121771217812179121801218112182121831218412185121861218712188121891219012191121921219312194121951219612197121981219912200122011220212203122041220512206122071220812209122101221112212122131221412215122161221712218122191222012221122221222312224122251222612227122281222912230122311223212233122341223512236122371223812239122401224112242122431224412245122461224712248122491225012251122521225312254122551225612257122581225912260122611226212263122641226512266122671226812269122701227112272122731227412275122761227712278122791228012281122821228312284122851228612287122881228912290122911229212293122941229512296122971229812299123001230112302123031230412305123061230712308123091231012311123121231312314123151231612317123181231912320123211232212323123241232512326123271232812329123301233112332123331233412335123361233712338123391234012341123421234312344123451234612347123481234912350123511235212353123541235512356123571235812359123601236112362123631236412365123661236712368123691237012371123721237312374123751237612377123781237912380123811238212383123841238512386123871238812389123901239112392123931239412395123961239712398123991240012401124021240312404124051240612407124081240912410124111241212413124141241512416124171241812419124201242112422124231242412425124261242712428124291243012431124321243312434
  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /***********************************************************/
  43. /* Shortcut definitions */
  44. /***********************************************************/
  45. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  46. #define NIG_STATUS_EMAC0_MI_INT \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  48. #define NIG_STATUS_XGXS0_LINK10G \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  50. #define NIG_STATUS_XGXS0_LINK_STATUS \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  52. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  54. #define NIG_STATUS_SERDES0_LINK_STATUS \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  56. #define NIG_MASK_MI_INT \
  57. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  58. #define NIG_MASK_XGXS0_LINK10G \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  60. #define NIG_MASK_XGXS0_LINK_STATUS \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  62. #define NIG_MASK_SERDES0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  64. #define MDIO_AN_CL73_OR_37_COMPLETE \
  65. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  66. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  67. #define XGXS_RESET_BITS \
  68. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  70. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  73. #define SERDES_RESET_BITS \
  74. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  78. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  79. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  80. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  81. #define AUTONEG_PARALLEL \
  82. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  83. #define AUTONEG_SGMII_FIBER_AUTODET \
  84. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  85. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  86. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  87. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  88. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  90. #define GP_STATUS_SPEED_MASK \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  92. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  93. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  94. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  95. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  96. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  97. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  98. #define GP_STATUS_10G_HIG \
  99. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  100. #define GP_STATUS_10G_CX4 \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  102. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  103. #define GP_STATUS_10G_KX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  105. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  106. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  107. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  108. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  109. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  110. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  111. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  112. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  113. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  114. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  115. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  116. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  117. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  118. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  119. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  120. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  121. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  122. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  123. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  124. /* */
  125. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  126. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  127. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  128. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  129. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  130. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  131. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  132. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  133. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  135. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  136. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  137. #define SFP_EEPROM_OPTIONS_SIZE 2
  138. #define EDC_MODE_LINEAR 0x0022
  139. #define EDC_MODE_LIMITING 0x0044
  140. #define EDC_MODE_PASSIVE_DAC 0x0055
  141. /* BRB thresholds for E2*/
  142. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  143. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  144. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  145. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  146. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  147. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  148. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  149. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  150. /* BRB thresholds for E3A0 */
  151. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  152. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  153. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  155. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  156. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  157. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  158. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  159. /* BRB thresholds for E3B0 2 port mode*/
  160. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  161. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  162. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  164. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  165. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  168. /* only for E3B0*/
  169. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  170. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  171. /* Lossy +Lossless GUARANTIED == GUART */
  172. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  173. /* Lossless +Lossless*/
  174. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  175. /* Lossy +Lossy*/
  176. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  177. /* Lossy +Lossless*/
  178. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  179. /* Lossless +Lossless*/
  180. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  181. /* Lossy +Lossy*/
  182. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  183. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  184. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  185. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  186. /* BRB thresholds for E3B0 4 port mode */
  187. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  188. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  189. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  191. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  192. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  193. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  195. /* only for E3B0*/
  196. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  197. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  198. #define PFC_E3B0_4P_LB_GUART 120
  199. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  200. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  202. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  203. #define DCBX_INVALID_COS (0xFF)
  204. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  205. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  206. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  207. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  208. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  209. #define MAX_PACKET_SIZE (9700)
  210. #define WC_UC_TIMEOUT 100
  211. /**********************************************************/
  212. /* INTERFACE */
  213. /**********************************************************/
  214. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  215. bnx2x_cl45_write(_bp, _phy, \
  216. (_phy)->def_md_devad, \
  217. (_bank + (_addr & 0xf)), \
  218. _val)
  219. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  220. bnx2x_cl45_read(_bp, _phy, \
  221. (_phy)->def_md_devad, \
  222. (_bank + (_addr & 0xf)), \
  223. _val)
  224. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  225. {
  226. u32 val = REG_RD(bp, reg);
  227. val |= bits;
  228. REG_WR(bp, reg, val);
  229. return val;
  230. }
  231. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  232. {
  233. u32 val = REG_RD(bp, reg);
  234. val &= ~bits;
  235. REG_WR(bp, reg, val);
  236. return val;
  237. }
  238. /******************************************************************/
  239. /* EPIO/GPIO section */
  240. /******************************************************************/
  241. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  242. {
  243. u32 epio_mask, gp_oenable;
  244. *en = 0;
  245. /* Sanity check */
  246. if (epio_pin > 31) {
  247. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  248. return;
  249. }
  250. epio_mask = 1 << epio_pin;
  251. /* Set this EPIO to output */
  252. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  253. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  254. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  255. }
  256. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  257. {
  258. u32 epio_mask, gp_output, gp_oenable;
  259. /* Sanity check */
  260. if (epio_pin > 31) {
  261. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  262. return;
  263. }
  264. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  265. epio_mask = 1 << epio_pin;
  266. /* Set this EPIO to output */
  267. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  268. if (en)
  269. gp_output |= epio_mask;
  270. else
  271. gp_output &= ~epio_mask;
  272. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  273. /* Set the value for this EPIO */
  274. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  275. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  276. }
  277. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  278. {
  279. if (pin_cfg == PIN_CFG_NA)
  280. return;
  281. if (pin_cfg >= PIN_CFG_EPIO0) {
  282. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  283. } else {
  284. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  285. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  286. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  287. }
  288. }
  289. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  290. {
  291. if (pin_cfg == PIN_CFG_NA)
  292. return -EINVAL;
  293. if (pin_cfg >= PIN_CFG_EPIO0) {
  294. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  295. } else {
  296. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  297. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  298. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  299. }
  300. return 0;
  301. }
  302. /******************************************************************/
  303. /* ETS section */
  304. /******************************************************************/
  305. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  306. {
  307. /* ETS disabled configuration*/
  308. struct bnx2x *bp = params->bp;
  309. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  310. /*
  311. * mapping between entry priority to client number (0,1,2 -debug and
  312. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  313. * 3bits client num.
  314. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  315. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  318. /*
  319. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  320. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  321. * COS0 entry, 4 - COS1 entry.
  322. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  323. * bit4 bit3 bit2 bit1 bit0
  324. * MCP and debug are strict
  325. */
  326. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  327. /* defines which entries (clients) are subjected to WFQ arbitration */
  328. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  329. /*
  330. * For strict priority entries defines the number of consecutive
  331. * slots for the highest priority.
  332. */
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  334. /*
  335. * mapping between the CREDIT_WEIGHT registers and actual client
  336. * numbers
  337. */
  338. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  339. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  340. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  343. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  344. /* ETS mode disable */
  345. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  346. /*
  347. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  348. * weight for COS0/COS1.
  349. */
  350. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  351. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  352. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  353. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  354. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  355. /* Defines the number of consecutive slots for the strict priority */
  356. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  357. }
  358. /******************************************************************************
  359. * Description:
  360. * Getting min_w_val will be set according to line speed .
  361. *.
  362. ******************************************************************************/
  363. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  364. {
  365. u32 min_w_val = 0;
  366. /* Calculate min_w_val.*/
  367. if (vars->link_up) {
  368. if (SPEED_20000 == vars->line_speed)
  369. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  370. else
  371. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  372. } else
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. /**
  375. * If the link isn't up (static configuration for example ) The
  376. * link will be according to 20GBPS.
  377. */
  378. return min_w_val;
  379. }
  380. /******************************************************************************
  381. * Description:
  382. * Getting credit upper bound form min_w_val.
  383. *.
  384. ******************************************************************************/
  385. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  386. {
  387. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  388. MAX_PACKET_SIZE);
  389. return credit_upper_bound;
  390. }
  391. /******************************************************************************
  392. * Description:
  393. * Set credit upper bound for NIG.
  394. *.
  395. ******************************************************************************/
  396. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  397. const struct link_params *params,
  398. const u32 min_w_val)
  399. {
  400. struct bnx2x *bp = params->bp;
  401. const u8 port = params->port;
  402. const u32 credit_upper_bound =
  403. bnx2x_ets_get_credit_upper_bound(min_w_val);
  404. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  405. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  406. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  407. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  416. if (0 == port) {
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  418. credit_upper_bound);
  419. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  420. credit_upper_bound);
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  422. credit_upper_bound);
  423. }
  424. }
  425. /******************************************************************************
  426. * Description:
  427. * Will return the NIG ETS registers to init values.Except
  428. * credit_upper_bound.
  429. * That isn't used in this configuration (No WFQ is enabled) and will be
  430. * configured acording to spec
  431. *.
  432. ******************************************************************************/
  433. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  434. const struct link_vars *vars)
  435. {
  436. struct bnx2x *bp = params->bp;
  437. const u8 port = params->port;
  438. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  439. /**
  440. * mapping between entry priority to client number (0,1,2 -debug and
  441. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  442. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  443. * reset value or init tool
  444. */
  445. if (port) {
  446. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  447. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  448. } else {
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  450. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  451. }
  452. /**
  453. * For strict priority entries defines the number of consecutive
  454. * slots for the highest priority.
  455. */
  456. /* TODO_ETS - Should be done by reset value or init tool */
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  458. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  459. /**
  460. * mapping between the CREDIT_WEIGHT registers and actual client
  461. * numbers
  462. */
  463. /* TODO_ETS - Should be done by reset value or init tool */
  464. if (port) {
  465. /*Port 1 has 6 COS*/
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  467. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  468. } else {
  469. /*Port 0 has 9 COS*/
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  471. 0x43210876);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  473. }
  474. /**
  475. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  476. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  477. * COS0 entry, 4 - COS1 entry.
  478. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  479. * bit4 bit3 bit2 bit1 bit0
  480. * MCP and debug are strict
  481. */
  482. if (port)
  483. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  484. else
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  486. /* defines which entries (clients) are subjected to WFQ arbitration */
  487. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  488. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  489. /**
  490. * Please notice the register address are note continuous and a
  491. * for here is note appropriate.In 2 port mode port0 only COS0-5
  492. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  493. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  494. * are never used for WFQ
  495. */
  496. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  497. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  498. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  499. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  508. if (0 == port) {
  509. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  510. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  512. }
  513. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  514. }
  515. /******************************************************************************
  516. * Description:
  517. * Set credit upper bound for PBF.
  518. *.
  519. ******************************************************************************/
  520. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  521. const struct link_params *params,
  522. const u32 min_w_val)
  523. {
  524. struct bnx2x *bp = params->bp;
  525. const u32 credit_upper_bound =
  526. bnx2x_ets_get_credit_upper_bound(min_w_val);
  527. const u8 port = params->port;
  528. u32 base_upper_bound = 0;
  529. u8 max_cos = 0;
  530. u8 i = 0;
  531. /**
  532. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  533. * port mode port1 has COS0-2 that can be used for WFQ.
  534. */
  535. if (0 == port) {
  536. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  537. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  538. } else {
  539. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  540. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  541. }
  542. for (i = 0; i < max_cos; i++)
  543. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  544. }
  545. /******************************************************************************
  546. * Description:
  547. * Will return the PBF ETS registers to init values.Except
  548. * credit_upper_bound.
  549. * That isn't used in this configuration (No WFQ is enabled) and will be
  550. * configured acording to spec
  551. *.
  552. ******************************************************************************/
  553. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  554. {
  555. struct bnx2x *bp = params->bp;
  556. const u8 port = params->port;
  557. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  558. u8 i = 0;
  559. u32 base_weight = 0;
  560. u8 max_cos = 0;
  561. /**
  562. * mapping between entry priority to client number 0 - COS0
  563. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  564. * TODO_ETS - Should be done by reset value or init tool
  565. */
  566. if (port)
  567. /* 0x688 (|011|0 10|00 1|000) */
  568. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  569. else
  570. /* (10 1|100 |011|0 10|00 1|000) */
  571. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  572. /* TODO_ETS - Should be done by reset value or init tool */
  573. if (port)
  574. /* 0x688 (|011|0 10|00 1|000)*/
  575. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  576. else
  577. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  579. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  580. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  581. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  582. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  584. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  585. /**
  586. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  587. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  588. */
  589. if (0 == port) {
  590. base_weight = PBF_REG_COS0_WEIGHT_P0;
  591. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  592. } else {
  593. base_weight = PBF_REG_COS0_WEIGHT_P1;
  594. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  595. }
  596. for (i = 0; i < max_cos; i++)
  597. REG_WR(bp, base_weight + (0x4 * i), 0);
  598. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * E3B0 disable will return basicly the values to init values.
  603. *.
  604. ******************************************************************************/
  605. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  606. const struct link_vars *vars)
  607. {
  608. struct bnx2x *bp = params->bp;
  609. if (!CHIP_IS_E3B0(bp)) {
  610. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  611. "\n");
  612. return -EINVAL;
  613. }
  614. bnx2x_ets_e3b0_nig_disabled(params, vars);
  615. bnx2x_ets_e3b0_pbf_disabled(params);
  616. return 0;
  617. }
  618. /******************************************************************************
  619. * Description:
  620. * Disable will return basicly the values to init values.
  621. *.
  622. ******************************************************************************/
  623. int bnx2x_ets_disabled(struct link_params *params,
  624. struct link_vars *vars)
  625. {
  626. struct bnx2x *bp = params->bp;
  627. int bnx2x_status = 0;
  628. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  629. bnx2x_ets_e2e3a0_disabled(params);
  630. else if (CHIP_IS_E3B0(bp))
  631. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  632. else {
  633. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  634. return -EINVAL;
  635. }
  636. return bnx2x_status;
  637. }
  638. /******************************************************************************
  639. * Description
  640. * Set the COS mappimg to SP and BW until this point all the COS are not
  641. * set as SP or BW.
  642. ******************************************************************************/
  643. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  644. const struct bnx2x_ets_params *ets_params,
  645. const u8 cos_sp_bitmap,
  646. const u8 cos_bw_bitmap)
  647. {
  648. struct bnx2x *bp = params->bp;
  649. const u8 port = params->port;
  650. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  651. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  652. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  653. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  654. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  655. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  656. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  657. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  660. nig_cli_subject2wfq_bitmap);
  661. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  662. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  663. pbf_cli_subject2wfq_bitmap);
  664. return 0;
  665. }
  666. /******************************************************************************
  667. * Description:
  668. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  669. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  672. const u8 cos_entry,
  673. const u32 min_w_val_nig,
  674. const u32 min_w_val_pbf,
  675. const u16 total_bw,
  676. const u8 bw,
  677. const u8 port)
  678. {
  679. u32 nig_reg_adress_crd_weight = 0;
  680. u32 pbf_reg_adress_crd_weight = 0;
  681. /* Calculate and set BW for this COS*/
  682. const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
  683. const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
  684. switch (cos_entry) {
  685. case 0:
  686. nig_reg_adress_crd_weight =
  687. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  688. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  689. pbf_reg_adress_crd_weight = (port) ?
  690. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  691. break;
  692. case 1:
  693. nig_reg_adress_crd_weight = (port) ?
  694. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  695. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  696. pbf_reg_adress_crd_weight = (port) ?
  697. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  698. break;
  699. case 2:
  700. nig_reg_adress_crd_weight = (port) ?
  701. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  702. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  703. pbf_reg_adress_crd_weight = (port) ?
  704. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  705. break;
  706. case 3:
  707. if (port)
  708. return -EINVAL;
  709. nig_reg_adress_crd_weight =
  710. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  711. pbf_reg_adress_crd_weight =
  712. PBF_REG_COS3_WEIGHT_P0;
  713. break;
  714. case 4:
  715. if (port)
  716. return -EINVAL;
  717. nig_reg_adress_crd_weight =
  718. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  719. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  720. break;
  721. case 5:
  722. if (port)
  723. return -EINVAL;
  724. nig_reg_adress_crd_weight =
  725. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  726. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  727. break;
  728. }
  729. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  730. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  731. return 0;
  732. }
  733. /******************************************************************************
  734. * Description:
  735. * Calculate the total BW.A value of 0 isn't legal.
  736. *.
  737. ******************************************************************************/
  738. static int bnx2x_ets_e3b0_get_total_bw(
  739. const struct link_params *params,
  740. const struct bnx2x_ets_params *ets_params,
  741. u16 *total_bw)
  742. {
  743. struct bnx2x *bp = params->bp;
  744. u8 cos_idx = 0;
  745. *total_bw = 0 ;
  746. /* Calculate total BW requested */
  747. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  748. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  749. if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
  750. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  751. "was set to 0\n");
  752. return -EINVAL;
  753. }
  754. *total_bw +=
  755. ets_params->cos[cos_idx].params.bw_params.bw;
  756. }
  757. }
  758. /*Check taotl BW is valid */
  759. if ((100 != *total_bw) || (0 == *total_bw)) {
  760. if (0 == *total_bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
  762. "shouldn't be 0\n");
  763. return -EINVAL;
  764. }
  765. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
  766. "100\n");
  767. /**
  768. * We can handle a case whre the BW isn't 100 this can happen
  769. * if the TC are joined.
  770. */
  771. }
  772. return 0;
  773. }
  774. /******************************************************************************
  775. * Description:
  776. * Invalidate all the sp_pri_to_cos.
  777. *.
  778. ******************************************************************************/
  779. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  780. {
  781. u8 pri = 0;
  782. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  783. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  784. }
  785. /******************************************************************************
  786. * Description:
  787. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  788. * according to sp_pri_to_cos.
  789. *.
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  792. u8 *sp_pri_to_cos, const u8 pri,
  793. const u8 cos_entry)
  794. {
  795. struct bnx2x *bp = params->bp;
  796. const u8 port = params->port;
  797. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  798. DCBX_E3B0_MAX_NUM_COS_PORT0;
  799. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  800. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  801. "parameter There can't be two COS's with"
  802. "the same strict pri\n");
  803. return -EINVAL;
  804. }
  805. if (pri > max_num_of_cos) {
  806. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
  807. "parameter Illegal strict priority\n");
  808. return -EINVAL;
  809. }
  810. sp_pri_to_cos[pri] = cos_entry;
  811. return 0;
  812. }
  813. /******************************************************************************
  814. * Description:
  815. * Returns the correct value according to COS and priority in
  816. * the sp_pri_cli register.
  817. *.
  818. ******************************************************************************/
  819. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  820. const u8 pri_set,
  821. const u8 pri_offset,
  822. const u8 entry_size)
  823. {
  824. u64 pri_cli_nig = 0;
  825. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  826. (pri_set + pri_offset));
  827. return pri_cli_nig;
  828. }
  829. /******************************************************************************
  830. * Description:
  831. * Returns the correct value according to COS and priority in the
  832. * sp_pri_cli register for NIG.
  833. *.
  834. ******************************************************************************/
  835. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  836. {
  837. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  838. const u8 nig_cos_offset = 3;
  839. const u8 nig_pri_offset = 3;
  840. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  841. nig_pri_offset, 4);
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for PBF.
  847. *.
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  850. {
  851. const u8 pbf_cos_offset = 0;
  852. const u8 pbf_pri_offset = 0;
  853. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  854. pbf_pri_offset, 3);
  855. }
  856. /******************************************************************************
  857. * Description:
  858. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  859. * according to sp_pri_to_cos.(which COS has higher priority)
  860. *.
  861. ******************************************************************************/
  862. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  863. u8 *sp_pri_to_cos)
  864. {
  865. struct bnx2x *bp = params->bp;
  866. u8 i = 0;
  867. const u8 port = params->port;
  868. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  869. u64 pri_cli_nig = 0x210;
  870. u32 pri_cli_pbf = 0x0;
  871. u8 pri_set = 0;
  872. u8 pri_bitmask = 0;
  873. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  874. DCBX_E3B0_MAX_NUM_COS_PORT0;
  875. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  876. /* Set all the strict priority first */
  877. for (i = 0; i < max_num_of_cos; i++) {
  878. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  879. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  880. DP(NETIF_MSG_LINK,
  881. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  882. "invalid cos entry\n");
  883. return -EINVAL;
  884. }
  885. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  886. sp_pri_to_cos[i], pri_set);
  887. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  888. sp_pri_to_cos[i], pri_set);
  889. pri_bitmask = 1 << sp_pri_to_cos[i];
  890. /* COS is used remove it from bitmap.*/
  891. if (0 == (pri_bitmask & cos_bit_to_set)) {
  892. DP(NETIF_MSG_LINK,
  893. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  894. "invalid There can't be two COS's with"
  895. " the same strict pri\n");
  896. return -EINVAL;
  897. }
  898. cos_bit_to_set &= ~pri_bitmask;
  899. pri_set++;
  900. }
  901. }
  902. /* Set all the Non strict priority i= COS*/
  903. for (i = 0; i < max_num_of_cos; i++) {
  904. pri_bitmask = 1 << i;
  905. /* Check if COS was already used for SP */
  906. if (pri_bitmask & cos_bit_to_set) {
  907. /* COS wasn't used for SP */
  908. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  909. i, pri_set);
  910. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  911. i, pri_set);
  912. /* COS is used remove it from bitmap.*/
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. if (pri_set != max_num_of_cos) {
  918. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  919. "entries were set\n");
  920. return -EINVAL;
  921. }
  922. if (port) {
  923. /* Only 6 usable clients*/
  924. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  925. (u32)pri_cli_nig);
  926. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  927. } else {
  928. /* Only 9 usable clients*/
  929. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  930. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  931. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  932. pri_cli_nig_lsb);
  933. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  934. pri_cli_nig_msb);
  935. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  936. }
  937. return 0;
  938. }
  939. /******************************************************************************
  940. * Description:
  941. * Configure the COS to ETS according to BW and SP settings.
  942. ******************************************************************************/
  943. int bnx2x_ets_e3b0_config(const struct link_params *params,
  944. const struct link_vars *vars,
  945. const struct bnx2x_ets_params *ets_params)
  946. {
  947. struct bnx2x *bp = params->bp;
  948. int bnx2x_status = 0;
  949. const u8 port = params->port;
  950. u16 total_bw = 0;
  951. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  952. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  953. u8 cos_bw_bitmap = 0;
  954. u8 cos_sp_bitmap = 0;
  955. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  956. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  957. DCBX_E3B0_MAX_NUM_COS_PORT0;
  958. u8 cos_entry = 0;
  959. if (!CHIP_IS_E3B0(bp)) {
  960. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  961. "\n");
  962. return -EINVAL;
  963. }
  964. if ((ets_params->num_of_cos > max_num_of_cos)) {
  965. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  966. "isn't supported\n");
  967. return -EINVAL;
  968. }
  969. /* Prepare sp strict priority parameters*/
  970. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  971. /* Prepare BW parameters*/
  972. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  973. &total_bw);
  974. if (0 != bnx2x_status) {
  975. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
  976. "\n");
  977. return -EINVAL;
  978. }
  979. /**
  980. * Upper bound is set according to current link speed (min_w_val
  981. * should be the same for upper bound and COS credit val).
  982. */
  983. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  984. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  985. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  986. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  987. cos_bw_bitmap |= (1 << cos_entry);
  988. /**
  989. * The function also sets the BW in HW(not the mappin
  990. * yet)
  991. */
  992. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  993. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  994. total_bw,
  995. ets_params->cos[cos_entry].params.bw_params.bw,
  996. port);
  997. } else if (bnx2x_cos_state_strict ==
  998. ets_params->cos[cos_entry].state){
  999. cos_sp_bitmap |= (1 << cos_entry);
  1000. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1001. params,
  1002. sp_pri_to_cos,
  1003. ets_params->cos[cos_entry].params.sp_params.pri,
  1004. cos_entry);
  1005. } else {
  1006. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
  1007. " valid\n");
  1008. return -EINVAL;
  1009. }
  1010. if (0 != bnx2x_status) {
  1011. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
  1012. "failed\n");
  1013. return bnx2x_status;
  1014. }
  1015. }
  1016. /* Set SP register (which COS has higher priority) */
  1017. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1018. sp_pri_to_cos);
  1019. if (0 != bnx2x_status) {
  1020. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
  1021. "failed\n");
  1022. return bnx2x_status;
  1023. }
  1024. /* Set client mapping of BW and strict */
  1025. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1026. cos_sp_bitmap,
  1027. cos_bw_bitmap);
  1028. if (0 != bnx2x_status) {
  1029. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1030. return bnx2x_status;
  1031. }
  1032. return 0;
  1033. }
  1034. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1035. {
  1036. /* ETS disabled configuration */
  1037. struct bnx2x *bp = params->bp;
  1038. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1039. /*
  1040. * defines which entries (clients) are subjected to WFQ arbitration
  1041. * COS0 0x8
  1042. * COS1 0x10
  1043. */
  1044. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1045. /*
  1046. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1047. * client numbers (WEIGHT_0 does not actually have to represent
  1048. * client 0)
  1049. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1050. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1051. */
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1053. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1054. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1056. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1057. /* ETS mode enabled*/
  1058. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1059. /* Defines the number of consecutive slots for the strict priority */
  1060. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1061. /*
  1062. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1063. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1064. * entry, 4 - COS1 entry.
  1065. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1066. * bit4 bit3 bit2 bit1 bit0
  1067. * MCP and debug are strict
  1068. */
  1069. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1070. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1071. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1072. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1073. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1074. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1075. }
  1076. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1077. const u32 cos1_bw)
  1078. {
  1079. /* ETS disabled configuration*/
  1080. struct bnx2x *bp = params->bp;
  1081. const u32 total_bw = cos0_bw + cos1_bw;
  1082. u32 cos0_credit_weight = 0;
  1083. u32 cos1_credit_weight = 0;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. if ((0 == total_bw) ||
  1086. (0 == cos0_bw) ||
  1087. (0 == cos1_bw)) {
  1088. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1089. return;
  1090. }
  1091. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1092. total_bw;
  1093. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1094. total_bw;
  1095. bnx2x_ets_bw_limit_common(params);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1099. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1100. }
  1101. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1102. {
  1103. /* ETS disabled configuration*/
  1104. struct bnx2x *bp = params->bp;
  1105. u32 val = 0;
  1106. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1107. /*
  1108. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1109. * as strict. Bits 0,1,2 - debug and management entries,
  1110. * 3 - COS0 entry, 4 - COS1 entry.
  1111. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1112. * bit4 bit3 bit2 bit1 bit0
  1113. * MCP and debug are strict
  1114. */
  1115. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1116. /*
  1117. * For strict priority entries defines the number of consecutive slots
  1118. * for the highest priority.
  1119. */
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1121. /* ETS mode disable */
  1122. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1123. /* Defines the number of consecutive slots for the strict priority */
  1124. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1125. /* Defines the number of consecutive slots for the strict priority */
  1126. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1127. /*
  1128. * mapping between entry priority to client number (0,1,2 -debug and
  1129. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1130. * 3bits client num.
  1131. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1132. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1133. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1134. */
  1135. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1136. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1137. return 0;
  1138. }
  1139. /******************************************************************/
  1140. /* PFC section */
  1141. /******************************************************************/
  1142. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1143. struct link_vars *vars,
  1144. u8 is_lb)
  1145. {
  1146. struct bnx2x *bp = params->bp;
  1147. u32 xmac_base;
  1148. u32 pause_val, pfc0_val, pfc1_val;
  1149. /* XMAC base adrr */
  1150. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1151. /* Initialize pause and pfc registers */
  1152. pause_val = 0x18000;
  1153. pfc0_val = 0xFFFF8000;
  1154. pfc1_val = 0x2;
  1155. /* No PFC support */
  1156. if (!(params->feature_config_flags &
  1157. FEATURE_CONFIG_PFC_ENABLED)) {
  1158. /*
  1159. * RX flow control - Process pause frame in receive direction
  1160. */
  1161. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1162. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1163. /*
  1164. * TX flow control - Send pause packet when buffer is full
  1165. */
  1166. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1167. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1168. } else {/* PFC support */
  1169. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1170. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1171. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1172. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1173. }
  1174. /* Write pause and PFC registers */
  1175. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1177. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1178. /* Set MAC address for source TX Pause/PFC frames */
  1179. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1180. ((params->mac_addr[2] << 24) |
  1181. (params->mac_addr[3] << 16) |
  1182. (params->mac_addr[4] << 8) |
  1183. (params->mac_addr[5])));
  1184. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1185. ((params->mac_addr[0] << 8) |
  1186. (params->mac_addr[1])));
  1187. udelay(30);
  1188. }
  1189. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1190. u32 pfc_frames_sent[2],
  1191. u32 pfc_frames_received[2])
  1192. {
  1193. /* Read pfc statistic */
  1194. struct bnx2x *bp = params->bp;
  1195. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1196. u32 val_xon = 0;
  1197. u32 val_xoff = 0;
  1198. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1199. /* PFC received frames */
  1200. val_xoff = REG_RD(bp, emac_base +
  1201. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1202. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1203. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1204. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1205. pfc_frames_received[0] = val_xon + val_xoff;
  1206. /* PFC received sent */
  1207. val_xoff = REG_RD(bp, emac_base +
  1208. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1209. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1210. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1211. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1212. pfc_frames_sent[0] = val_xon + val_xoff;
  1213. }
  1214. /* Read pfc statistic*/
  1215. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1216. u32 pfc_frames_sent[2],
  1217. u32 pfc_frames_received[2])
  1218. {
  1219. /* Read pfc statistic */
  1220. struct bnx2x *bp = params->bp;
  1221. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1222. if (!vars->link_up)
  1223. return;
  1224. if (MAC_TYPE_EMAC == vars->mac_type) {
  1225. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1226. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1227. pfc_frames_received);
  1228. }
  1229. }
  1230. /******************************************************************/
  1231. /* MAC/PBF section */
  1232. /******************************************************************/
  1233. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1234. {
  1235. u32 mode, emac_base;
  1236. /**
  1237. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1238. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1239. */
  1240. if (CHIP_IS_E2(bp))
  1241. emac_base = GRCBASE_EMAC0;
  1242. else
  1243. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1244. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1245. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1246. EMAC_MDIO_MODE_CLOCK_CNT);
  1247. if (USES_WARPCORE(bp))
  1248. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1249. else
  1250. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1251. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1252. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1253. udelay(40);
  1254. }
  1255. static void bnx2x_emac_init(struct link_params *params,
  1256. struct link_vars *vars)
  1257. {
  1258. /* reset and unreset the emac core */
  1259. struct bnx2x *bp = params->bp;
  1260. u8 port = params->port;
  1261. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1262. u32 val;
  1263. u16 timeout;
  1264. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1265. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1266. udelay(5);
  1267. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1268. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1269. /* init emac - use read-modify-write */
  1270. /* self clear reset */
  1271. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1272. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1273. timeout = 200;
  1274. do {
  1275. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1276. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1277. if (!timeout) {
  1278. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1279. return;
  1280. }
  1281. timeout--;
  1282. } while (val & EMAC_MODE_RESET);
  1283. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1284. /* Set mac address */
  1285. val = ((params->mac_addr[0] << 8) |
  1286. params->mac_addr[1]);
  1287. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1288. val = ((params->mac_addr[2] << 24) |
  1289. (params->mac_addr[3] << 16) |
  1290. (params->mac_addr[4] << 8) |
  1291. params->mac_addr[5]);
  1292. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1293. }
  1294. static void bnx2x_set_xumac_nig(struct link_params *params,
  1295. u16 tx_pause_en,
  1296. u8 enable)
  1297. {
  1298. struct bnx2x *bp = params->bp;
  1299. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1300. enable);
  1301. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1302. enable);
  1303. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1304. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1305. }
  1306. static void bnx2x_umac_enable(struct link_params *params,
  1307. struct link_vars *vars, u8 lb)
  1308. {
  1309. u32 val;
  1310. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1311. struct bnx2x *bp = params->bp;
  1312. /* Reset UMAC */
  1313. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1314. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1315. usleep_range(1000, 1000);
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1317. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1318. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1319. /**
  1320. * This register determines on which events the MAC will assert
  1321. * error on the i/f to the NIG along w/ EOP.
  1322. */
  1323. /**
  1324. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1325. * params->port*0x14, 0xfffff.
  1326. */
  1327. /* This register opens the gate for the UMAC despite its name */
  1328. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1329. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1330. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1331. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1332. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1333. switch (vars->line_speed) {
  1334. case SPEED_10:
  1335. val |= (0<<2);
  1336. break;
  1337. case SPEED_100:
  1338. val |= (1<<2);
  1339. break;
  1340. case SPEED_1000:
  1341. val |= (2<<2);
  1342. break;
  1343. case SPEED_2500:
  1344. val |= (3<<2);
  1345. break;
  1346. default:
  1347. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1348. vars->line_speed);
  1349. break;
  1350. }
  1351. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1352. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1353. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1354. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1355. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1356. udelay(50);
  1357. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1358. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1359. ((params->mac_addr[2] << 24) |
  1360. (params->mac_addr[3] << 16) |
  1361. (params->mac_addr[4] << 8) |
  1362. (params->mac_addr[5])));
  1363. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1364. ((params->mac_addr[0] << 8) |
  1365. (params->mac_addr[1])));
  1366. /* Enable RX and TX */
  1367. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1368. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1369. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1370. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1371. udelay(50);
  1372. /* Remove SW Reset */
  1373. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1374. /* Check loopback mode */
  1375. if (lb)
  1376. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1377. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1378. /*
  1379. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1380. * length used by the MAC receive logic to check frames.
  1381. */
  1382. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1383. bnx2x_set_xumac_nig(params,
  1384. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1385. vars->mac_type = MAC_TYPE_UMAC;
  1386. }
  1387. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1388. {
  1389. u32 port4mode_ovwr_val;
  1390. /* Check 4-port override enabled */
  1391. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1392. if (port4mode_ovwr_val & (1<<0)) {
  1393. /* Return 4-port mode override value */
  1394. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1395. }
  1396. /* Return 4-port mode from input pin */
  1397. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1398. }
  1399. /* Define the XMAC mode */
  1400. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1401. {
  1402. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1403. /**
  1404. * In 4-port mode, need to set the mode only once, so if XMAC is
  1405. * already out of reset, it means the mode has already been set,
  1406. * and it must not* reset the XMAC again, since it controls both
  1407. * ports of the path
  1408. **/
  1409. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1410. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1411. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1412. " in 4-port mode\n");
  1413. return;
  1414. }
  1415. /* Hard reset */
  1416. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1417. MISC_REGISTERS_RESET_REG_2_XMAC);
  1418. usleep_range(1000, 1000);
  1419. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1420. MISC_REGISTERS_RESET_REG_2_XMAC);
  1421. if (is_port4mode) {
  1422. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1423. /* Set the number of ports on the system side to up to 2 */
  1424. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1425. /* Set the number of ports on the Warp Core to 10G */
  1426. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1427. } else {
  1428. /* Set the number of ports on the system side to 1 */
  1429. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1430. if (max_speed == SPEED_10000) {
  1431. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1432. " port per path\n");
  1433. /* Set the number of ports on the Warp Core to 10G */
  1434. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1435. } else {
  1436. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1437. " per path\n");
  1438. /* Set the number of ports on the Warp Core to 20G */
  1439. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1440. }
  1441. }
  1442. /* Soft reset */
  1443. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1444. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1445. usleep_range(1000, 1000);
  1446. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1447. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1448. }
  1449. static void bnx2x_xmac_disable(struct link_params *params)
  1450. {
  1451. u8 port = params->port;
  1452. struct bnx2x *bp = params->bp;
  1453. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1454. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1455. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1456. /*
  1457. * Send an indication to change the state in the NIG back to XON
  1458. * Clearing this bit enables the next set of this bit to get
  1459. * rising edge
  1460. */
  1461. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1462. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1463. (pfc_ctrl & ~(1<<1)));
  1464. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1465. (pfc_ctrl | (1<<1)));
  1466. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1467. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1468. usleep_range(1000, 1000);
  1469. bnx2x_set_xumac_nig(params, 0, 0);
  1470. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1471. XMAC_CTRL_REG_SOFT_RESET);
  1472. }
  1473. }
  1474. static int bnx2x_xmac_enable(struct link_params *params,
  1475. struct link_vars *vars, u8 lb)
  1476. {
  1477. u32 val, xmac_base;
  1478. struct bnx2x *bp = params->bp;
  1479. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1480. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1481. bnx2x_xmac_init(bp, vars->line_speed);
  1482. /*
  1483. * This register determines on which events the MAC will assert
  1484. * error on the i/f to the NIG along w/ EOP.
  1485. */
  1486. /*
  1487. * This register tells the NIG whether to send traffic to UMAC
  1488. * or XMAC
  1489. */
  1490. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1491. /* Set Max packet size */
  1492. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1493. /* CRC append for Tx packets */
  1494. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1495. /* update PFC */
  1496. bnx2x_update_pfc_xmac(params, vars, 0);
  1497. /* Enable TX and RX */
  1498. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1499. /* Check loopback mode */
  1500. if (lb)
  1501. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1502. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1503. bnx2x_set_xumac_nig(params,
  1504. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1505. vars->mac_type = MAC_TYPE_XMAC;
  1506. return 0;
  1507. }
  1508. static int bnx2x_emac_enable(struct link_params *params,
  1509. struct link_vars *vars, u8 lb)
  1510. {
  1511. struct bnx2x *bp = params->bp;
  1512. u8 port = params->port;
  1513. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1514. u32 val;
  1515. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1516. /* Disable BMAC */
  1517. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1518. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1519. /* enable emac and not bmac */
  1520. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1521. /* ASIC */
  1522. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1523. u32 ser_lane = ((params->lane_config &
  1524. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1525. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1526. DP(NETIF_MSG_LINK, "XGXS\n");
  1527. /* select the master lanes (out of 0-3) */
  1528. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1529. /* select XGXS */
  1530. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1531. } else { /* SerDes */
  1532. DP(NETIF_MSG_LINK, "SerDes\n");
  1533. /* select SerDes */
  1534. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1535. }
  1536. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1537. EMAC_RX_MODE_RESET);
  1538. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1539. EMAC_TX_MODE_RESET);
  1540. if (CHIP_REV_IS_SLOW(bp)) {
  1541. /* config GMII mode */
  1542. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1543. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1544. } else { /* ASIC */
  1545. /* pause enable/disable */
  1546. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1547. EMAC_RX_MODE_FLOW_EN);
  1548. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1549. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1550. EMAC_TX_MODE_FLOW_EN));
  1551. if (!(params->feature_config_flags &
  1552. FEATURE_CONFIG_PFC_ENABLED)) {
  1553. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1554. bnx2x_bits_en(bp, emac_base +
  1555. EMAC_REG_EMAC_RX_MODE,
  1556. EMAC_RX_MODE_FLOW_EN);
  1557. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1558. bnx2x_bits_en(bp, emac_base +
  1559. EMAC_REG_EMAC_TX_MODE,
  1560. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1561. EMAC_TX_MODE_FLOW_EN));
  1562. } else
  1563. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1564. EMAC_TX_MODE_FLOW_EN);
  1565. }
  1566. /* KEEP_VLAN_TAG, promiscuous */
  1567. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1568. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1569. /*
  1570. * Setting this bit causes MAC control frames (except for pause
  1571. * frames) to be passed on for processing. This setting has no
  1572. * affect on the operation of the pause frames. This bit effects
  1573. * all packets regardless of RX Parser packet sorting logic.
  1574. * Turn the PFC off to make sure we are in Xon state before
  1575. * enabling it.
  1576. */
  1577. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1578. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1579. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1580. /* Enable PFC again */
  1581. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1582. EMAC_REG_RX_PFC_MODE_RX_EN |
  1583. EMAC_REG_RX_PFC_MODE_TX_EN |
  1584. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1585. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1586. ((0x0101 <<
  1587. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1588. (0x00ff <<
  1589. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1590. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1591. }
  1592. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1593. /* Set Loopback */
  1594. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1595. if (lb)
  1596. val |= 0x810;
  1597. else
  1598. val &= ~0x810;
  1599. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1600. /* enable emac */
  1601. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1602. /* enable emac for jumbo packets */
  1603. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1604. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1605. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1606. /* strip CRC */
  1607. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1608. /* disable the NIG in/out to the bmac */
  1609. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1610. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1611. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1612. /* enable the NIG in/out to the emac */
  1613. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1614. val = 0;
  1615. if ((params->feature_config_flags &
  1616. FEATURE_CONFIG_PFC_ENABLED) ||
  1617. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1618. val = 1;
  1619. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1620. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1621. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1622. vars->mac_type = MAC_TYPE_EMAC;
  1623. return 0;
  1624. }
  1625. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1626. struct link_vars *vars)
  1627. {
  1628. u32 wb_data[2];
  1629. struct bnx2x *bp = params->bp;
  1630. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1631. NIG_REG_INGRESS_BMAC0_MEM;
  1632. u32 val = 0x14;
  1633. if ((!(params->feature_config_flags &
  1634. FEATURE_CONFIG_PFC_ENABLED)) &&
  1635. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1636. /* Enable BigMAC to react on received Pause packets */
  1637. val |= (1<<5);
  1638. wb_data[0] = val;
  1639. wb_data[1] = 0;
  1640. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1641. /* tx control */
  1642. val = 0xc0;
  1643. if (!(params->feature_config_flags &
  1644. FEATURE_CONFIG_PFC_ENABLED) &&
  1645. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1646. val |= 0x800000;
  1647. wb_data[0] = val;
  1648. wb_data[1] = 0;
  1649. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1650. }
  1651. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1652. struct link_vars *vars,
  1653. u8 is_lb)
  1654. {
  1655. /*
  1656. * Set rx control: Strip CRC and enable BigMAC to relay
  1657. * control packets to the system as well
  1658. */
  1659. u32 wb_data[2];
  1660. struct bnx2x *bp = params->bp;
  1661. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1662. NIG_REG_INGRESS_BMAC0_MEM;
  1663. u32 val = 0x14;
  1664. if ((!(params->feature_config_flags &
  1665. FEATURE_CONFIG_PFC_ENABLED)) &&
  1666. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1667. /* Enable BigMAC to react on received Pause packets */
  1668. val |= (1<<5);
  1669. wb_data[0] = val;
  1670. wb_data[1] = 0;
  1671. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1672. udelay(30);
  1673. /* Tx control */
  1674. val = 0xc0;
  1675. if (!(params->feature_config_flags &
  1676. FEATURE_CONFIG_PFC_ENABLED) &&
  1677. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1678. val |= 0x800000;
  1679. wb_data[0] = val;
  1680. wb_data[1] = 0;
  1681. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1682. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1683. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1684. /* Enable PFC RX & TX & STATS and set 8 COS */
  1685. wb_data[0] = 0x0;
  1686. wb_data[0] |= (1<<0); /* RX */
  1687. wb_data[0] |= (1<<1); /* TX */
  1688. wb_data[0] |= (1<<2); /* Force initial Xon */
  1689. wb_data[0] |= (1<<3); /* 8 cos */
  1690. wb_data[0] |= (1<<5); /* STATS */
  1691. wb_data[1] = 0;
  1692. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1693. wb_data, 2);
  1694. /* Clear the force Xon */
  1695. wb_data[0] &= ~(1<<2);
  1696. } else {
  1697. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1698. /* disable PFC RX & TX & STATS and set 8 COS */
  1699. wb_data[0] = 0x8;
  1700. wb_data[1] = 0;
  1701. }
  1702. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1703. /*
  1704. * Set Time (based unit is 512 bit time) between automatic
  1705. * re-sending of PP packets amd enable automatic re-send of
  1706. * Per-Priroity Packet as long as pp_gen is asserted and
  1707. * pp_disable is low.
  1708. */
  1709. val = 0x8000;
  1710. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1711. val |= (1<<16); /* enable automatic re-send */
  1712. wb_data[0] = val;
  1713. wb_data[1] = 0;
  1714. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1715. wb_data, 2);
  1716. /* mac control */
  1717. val = 0x3; /* Enable RX and TX */
  1718. if (is_lb) {
  1719. val |= 0x4; /* Local loopback */
  1720. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1721. }
  1722. /* When PFC enabled, Pass pause frames towards the NIG. */
  1723. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1724. val |= ((1<<6)|(1<<5));
  1725. wb_data[0] = val;
  1726. wb_data[1] = 0;
  1727. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1728. }
  1729. /* PFC BRB internal port configuration params */
  1730. struct bnx2x_pfc_brb_threshold_val {
  1731. u32 pause_xoff;
  1732. u32 pause_xon;
  1733. u32 full_xoff;
  1734. u32 full_xon;
  1735. };
  1736. struct bnx2x_pfc_brb_e3b0_val {
  1737. u32 full_lb_xoff_th;
  1738. u32 full_lb_xon_threshold;
  1739. u32 lb_guarantied;
  1740. u32 mac_0_class_t_guarantied;
  1741. u32 mac_0_class_t_guarantied_hyst;
  1742. u32 mac_1_class_t_guarantied;
  1743. u32 mac_1_class_t_guarantied_hyst;
  1744. };
  1745. struct bnx2x_pfc_brb_th_val {
  1746. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1747. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1748. };
  1749. static int bnx2x_pfc_brb_get_config_params(
  1750. struct link_params *params,
  1751. struct bnx2x_pfc_brb_th_val *config_val)
  1752. {
  1753. struct bnx2x *bp = params->bp;
  1754. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1755. if (CHIP_IS_E2(bp)) {
  1756. config_val->pauseable_th.pause_xoff =
  1757. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1758. config_val->pauseable_th.pause_xon =
  1759. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1760. config_val->pauseable_th.full_xoff =
  1761. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1762. config_val->pauseable_th.full_xon =
  1763. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1764. /* non pause able*/
  1765. config_val->non_pauseable_th.pause_xoff =
  1766. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1767. config_val->non_pauseable_th.pause_xon =
  1768. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1769. config_val->non_pauseable_th.full_xoff =
  1770. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1771. config_val->non_pauseable_th.full_xon =
  1772. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1773. } else if (CHIP_IS_E3A0(bp)) {
  1774. config_val->pauseable_th.pause_xoff =
  1775. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1776. config_val->pauseable_th.pause_xon =
  1777. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1778. config_val->pauseable_th.full_xoff =
  1779. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1780. config_val->pauseable_th.full_xon =
  1781. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1782. /* non pause able*/
  1783. config_val->non_pauseable_th.pause_xoff =
  1784. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1785. config_val->non_pauseable_th.pause_xon =
  1786. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1787. config_val->non_pauseable_th.full_xoff =
  1788. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1789. config_val->non_pauseable_th.full_xon =
  1790. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1791. } else if (CHIP_IS_E3B0(bp)) {
  1792. if (params->phy[INT_PHY].flags &
  1793. FLAGS_4_PORT_MODE) {
  1794. config_val->pauseable_th.pause_xoff =
  1795. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1796. config_val->pauseable_th.pause_xon =
  1797. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1798. config_val->pauseable_th.full_xoff =
  1799. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1800. config_val->pauseable_th.full_xon =
  1801. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1802. /* non pause able*/
  1803. config_val->non_pauseable_th.pause_xoff =
  1804. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1805. config_val->non_pauseable_th.pause_xon =
  1806. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1807. config_val->non_pauseable_th.full_xoff =
  1808. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1809. config_val->non_pauseable_th.full_xon =
  1810. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1811. } else {
  1812. config_val->pauseable_th.pause_xoff =
  1813. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1814. config_val->pauseable_th.pause_xon =
  1815. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1816. config_val->pauseable_th.full_xoff =
  1817. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1818. config_val->pauseable_th.full_xon =
  1819. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1820. /* non pause able*/
  1821. config_val->non_pauseable_th.pause_xoff =
  1822. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1823. config_val->non_pauseable_th.pause_xon =
  1824. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1825. config_val->non_pauseable_th.full_xoff =
  1826. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1827. config_val->non_pauseable_th.full_xon =
  1828. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1829. }
  1830. } else
  1831. return -EINVAL;
  1832. return 0;
  1833. }
  1834. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1835. struct bnx2x_pfc_brb_e3b0_val
  1836. *e3b0_val,
  1837. u32 cos0_pauseable,
  1838. u32 cos1_pauseable)
  1839. {
  1840. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1841. e3b0_val->full_lb_xoff_th =
  1842. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1843. e3b0_val->full_lb_xon_threshold =
  1844. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1845. e3b0_val->lb_guarantied =
  1846. PFC_E3B0_4P_LB_GUART;
  1847. e3b0_val->mac_0_class_t_guarantied =
  1848. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1849. e3b0_val->mac_0_class_t_guarantied_hyst =
  1850. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1851. e3b0_val->mac_1_class_t_guarantied =
  1852. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1853. e3b0_val->mac_1_class_t_guarantied_hyst =
  1854. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1855. } else {
  1856. e3b0_val->full_lb_xoff_th =
  1857. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1858. e3b0_val->full_lb_xon_threshold =
  1859. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1860. e3b0_val->mac_0_class_t_guarantied_hyst =
  1861. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1862. e3b0_val->mac_1_class_t_guarantied =
  1863. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1864. e3b0_val->mac_1_class_t_guarantied_hyst =
  1865. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1866. if (cos0_pauseable != cos1_pauseable) {
  1867. /* nonpauseable= Lossy + pauseable = Lossless*/
  1868. e3b0_val->lb_guarantied =
  1869. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1870. e3b0_val->mac_0_class_t_guarantied =
  1871. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1872. } else if (cos0_pauseable) {
  1873. /* Lossless +Lossless*/
  1874. e3b0_val->lb_guarantied =
  1875. PFC_E3B0_2P_PAUSE_LB_GUART;
  1876. e3b0_val->mac_0_class_t_guarantied =
  1877. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1878. } else {
  1879. /* Lossy +Lossy*/
  1880. e3b0_val->lb_guarantied =
  1881. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1882. e3b0_val->mac_0_class_t_guarantied =
  1883. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1884. }
  1885. }
  1886. }
  1887. static int bnx2x_update_pfc_brb(struct link_params *params,
  1888. struct link_vars *vars,
  1889. struct bnx2x_nig_brb_pfc_port_params
  1890. *pfc_params)
  1891. {
  1892. struct bnx2x *bp = params->bp;
  1893. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1894. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1895. &config_val.pauseable_th;
  1896. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1897. int set_pfc = params->feature_config_flags &
  1898. FEATURE_CONFIG_PFC_ENABLED;
  1899. int bnx2x_status = 0;
  1900. u8 port = params->port;
  1901. /* default - pause configuration */
  1902. reg_th_config = &config_val.pauseable_th;
  1903. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1904. if (0 != bnx2x_status)
  1905. return bnx2x_status;
  1906. if (set_pfc && pfc_params)
  1907. /* First COS */
  1908. if (!pfc_params->cos0_pauseable)
  1909. reg_th_config = &config_val.non_pauseable_th;
  1910. /*
  1911. * The number of free blocks below which the pause signal to class 0
  1912. * of MAC #n is asserted. n=0,1
  1913. */
  1914. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1915. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1916. reg_th_config->pause_xoff);
  1917. /*
  1918. * The number of free blocks above which the pause signal to class 0
  1919. * of MAC #n is de-asserted. n=0,1
  1920. */
  1921. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1922. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1923. /*
  1924. * The number of free blocks below which the full signal to class 0
  1925. * of MAC #n is asserted. n=0,1
  1926. */
  1927. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1928. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1929. /*
  1930. * The number of free blocks above which the full signal to class 0
  1931. * of MAC #n is de-asserted. n=0,1
  1932. */
  1933. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1934. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1935. if (set_pfc && pfc_params) {
  1936. /* Second COS */
  1937. if (pfc_params->cos1_pauseable)
  1938. reg_th_config = &config_val.pauseable_th;
  1939. else
  1940. reg_th_config = &config_val.non_pauseable_th;
  1941. /*
  1942. * The number of free blocks below which the pause signal to
  1943. * class 1 of MAC #n is asserted. n=0,1
  1944. **/
  1945. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1946. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1947. reg_th_config->pause_xoff);
  1948. /*
  1949. * The number of free blocks above which the pause signal to
  1950. * class 1 of MAC #n is de-asserted. n=0,1
  1951. */
  1952. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1953. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1954. reg_th_config->pause_xon);
  1955. /*
  1956. * The number of free blocks below which the full signal to
  1957. * class 1 of MAC #n is asserted. n=0,1
  1958. */
  1959. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1960. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1961. reg_th_config->full_xoff);
  1962. /*
  1963. * The number of free blocks above which the full signal to
  1964. * class 1 of MAC #n is de-asserted. n=0,1
  1965. */
  1966. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1967. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1968. reg_th_config->full_xon);
  1969. if (CHIP_IS_E3B0(bp)) {
  1970. /*Should be done by init tool */
  1971. /*
  1972. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1973. * reset value
  1974. * 944
  1975. */
  1976. /**
  1977. * The hysteresis on the guarantied buffer space for the Lb port
  1978. * before signaling XON.
  1979. **/
  1980. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1981. bnx2x_pfc_brb_get_e3b0_config_params(
  1982. params,
  1983. &e3b0_val,
  1984. pfc_params->cos0_pauseable,
  1985. pfc_params->cos1_pauseable);
  1986. /**
  1987. * The number of free blocks below which the full signal to the
  1988. * LB port is asserted.
  1989. */
  1990. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1991. e3b0_val.full_lb_xoff_th);
  1992. /**
  1993. * The number of free blocks above which the full signal to the
  1994. * LB port is de-asserted.
  1995. */
  1996. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1997. e3b0_val.full_lb_xon_threshold);
  1998. /**
  1999. * The number of blocks guarantied for the MAC #n port. n=0,1
  2000. */
  2001. /*The number of blocks guarantied for the LB port.*/
  2002. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2003. e3b0_val.lb_guarantied);
  2004. /**
  2005. * The number of blocks guarantied for the MAC #n port.
  2006. */
  2007. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2008. 2 * e3b0_val.mac_0_class_t_guarantied);
  2009. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2010. 2 * e3b0_val.mac_1_class_t_guarantied);
  2011. /**
  2012. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2013. */
  2014. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2015. e3b0_val.mac_0_class_t_guarantied);
  2016. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2017. e3b0_val.mac_0_class_t_guarantied);
  2018. /**
  2019. * The hysteresis on the guarantied buffer space for class in
  2020. * MAC0. t=0,1
  2021. */
  2022. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2023. e3b0_val.mac_0_class_t_guarantied_hyst);
  2024. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2025. e3b0_val.mac_0_class_t_guarantied_hyst);
  2026. /**
  2027. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2028. */
  2029. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2030. e3b0_val.mac_1_class_t_guarantied);
  2031. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2032. e3b0_val.mac_1_class_t_guarantied);
  2033. /**
  2034. * The hysteresis on the guarantied buffer space for class #t
  2035. * in MAC1. t=0,1
  2036. */
  2037. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2038. e3b0_val.mac_1_class_t_guarantied_hyst);
  2039. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2040. e3b0_val.mac_1_class_t_guarantied_hyst);
  2041. }
  2042. }
  2043. return bnx2x_status;
  2044. }
  2045. /******************************************************************************
  2046. * Description:
  2047. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2048. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2049. ******************************************************************************/
  2050. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2051. u8 cos_entry,
  2052. u32 priority_mask, u8 port)
  2053. {
  2054. u32 nig_reg_rx_priority_mask_add = 0;
  2055. switch (cos_entry) {
  2056. case 0:
  2057. nig_reg_rx_priority_mask_add = (port) ?
  2058. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2059. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2060. break;
  2061. case 1:
  2062. nig_reg_rx_priority_mask_add = (port) ?
  2063. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2064. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2065. break;
  2066. case 2:
  2067. nig_reg_rx_priority_mask_add = (port) ?
  2068. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2069. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2070. break;
  2071. case 3:
  2072. if (port)
  2073. return -EINVAL;
  2074. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2075. break;
  2076. case 4:
  2077. if (port)
  2078. return -EINVAL;
  2079. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2080. break;
  2081. case 5:
  2082. if (port)
  2083. return -EINVAL;
  2084. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2085. break;
  2086. }
  2087. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2088. return 0;
  2089. }
  2090. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2091. {
  2092. struct bnx2x *bp = params->bp;
  2093. REG_WR(bp, params->shmem_base +
  2094. offsetof(struct shmem_region,
  2095. port_mb[params->port].link_status), link_status);
  2096. }
  2097. static void bnx2x_update_pfc_nig(struct link_params *params,
  2098. struct link_vars *vars,
  2099. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2100. {
  2101. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2102. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2103. u32 pkt_priority_to_cos = 0;
  2104. struct bnx2x *bp = params->bp;
  2105. u8 port = params->port;
  2106. int set_pfc = params->feature_config_flags &
  2107. FEATURE_CONFIG_PFC_ENABLED;
  2108. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2109. /*
  2110. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2111. * MAC control frames (that are not pause packets)
  2112. * will be forwarded to the XCM.
  2113. */
  2114. xcm_mask = REG_RD(bp,
  2115. port ? NIG_REG_LLH1_XCM_MASK :
  2116. NIG_REG_LLH0_XCM_MASK);
  2117. /*
  2118. * nig params will override non PFC params, since it's possible to
  2119. * do transition from PFC to SAFC
  2120. */
  2121. if (set_pfc) {
  2122. pause_enable = 0;
  2123. llfc_out_en = 0;
  2124. llfc_enable = 0;
  2125. if (CHIP_IS_E3(bp))
  2126. ppp_enable = 0;
  2127. else
  2128. ppp_enable = 1;
  2129. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2130. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2131. xcm0_out_en = 0;
  2132. p0_hwpfc_enable = 1;
  2133. } else {
  2134. if (nig_params) {
  2135. llfc_out_en = nig_params->llfc_out_en;
  2136. llfc_enable = nig_params->llfc_enable;
  2137. pause_enable = nig_params->pause_enable;
  2138. } else /*defaul non PFC mode - PAUSE */
  2139. pause_enable = 1;
  2140. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2141. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2142. xcm0_out_en = 1;
  2143. }
  2144. if (CHIP_IS_E3(bp))
  2145. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2146. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2147. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2148. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2149. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2150. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2151. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2152. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2153. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2154. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2155. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2156. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2157. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2158. /* output enable for RX_XCM # IF */
  2159. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2160. /* HW PFC TX enable */
  2161. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2162. if (nig_params) {
  2163. u8 i = 0;
  2164. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2165. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2166. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2167. nig_params->rx_cos_priority_mask[i], port);
  2168. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2169. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2170. nig_params->llfc_high_priority_classes);
  2171. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2172. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2173. nig_params->llfc_low_priority_classes);
  2174. }
  2175. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2176. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2177. pkt_priority_to_cos);
  2178. }
  2179. int bnx2x_update_pfc(struct link_params *params,
  2180. struct link_vars *vars,
  2181. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2182. {
  2183. /*
  2184. * The PFC and pause are orthogonal to one another, meaning when
  2185. * PFC is enabled, the pause are disabled, and when PFC is
  2186. * disabled, pause are set according to the pause result.
  2187. */
  2188. u32 val;
  2189. struct bnx2x *bp = params->bp;
  2190. int bnx2x_status = 0;
  2191. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2192. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2193. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2194. else
  2195. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2196. bnx2x_update_mng(params, vars->link_status);
  2197. /* update NIG params */
  2198. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2199. /* update BRB params */
  2200. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2201. if (0 != bnx2x_status)
  2202. return bnx2x_status;
  2203. if (!vars->link_up)
  2204. return bnx2x_status;
  2205. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2206. if (CHIP_IS_E3(bp))
  2207. bnx2x_update_pfc_xmac(params, vars, 0);
  2208. else {
  2209. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2210. if ((val &
  2211. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2212. == 0) {
  2213. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2214. bnx2x_emac_enable(params, vars, 0);
  2215. return bnx2x_status;
  2216. }
  2217. if (CHIP_IS_E2(bp))
  2218. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2219. else
  2220. bnx2x_update_pfc_bmac1(params, vars);
  2221. val = 0;
  2222. if ((params->feature_config_flags &
  2223. FEATURE_CONFIG_PFC_ENABLED) ||
  2224. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2225. val = 1;
  2226. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2227. }
  2228. return bnx2x_status;
  2229. }
  2230. static int bnx2x_bmac1_enable(struct link_params *params,
  2231. struct link_vars *vars,
  2232. u8 is_lb)
  2233. {
  2234. struct bnx2x *bp = params->bp;
  2235. u8 port = params->port;
  2236. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2237. NIG_REG_INGRESS_BMAC0_MEM;
  2238. u32 wb_data[2];
  2239. u32 val;
  2240. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2241. /* XGXS control */
  2242. wb_data[0] = 0x3c;
  2243. wb_data[1] = 0;
  2244. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2245. wb_data, 2);
  2246. /* tx MAC SA */
  2247. wb_data[0] = ((params->mac_addr[2] << 24) |
  2248. (params->mac_addr[3] << 16) |
  2249. (params->mac_addr[4] << 8) |
  2250. params->mac_addr[5]);
  2251. wb_data[1] = ((params->mac_addr[0] << 8) |
  2252. params->mac_addr[1]);
  2253. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2254. /* mac control */
  2255. val = 0x3;
  2256. if (is_lb) {
  2257. val |= 0x4;
  2258. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2259. }
  2260. wb_data[0] = val;
  2261. wb_data[1] = 0;
  2262. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2263. /* set rx mtu */
  2264. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2265. wb_data[1] = 0;
  2266. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2267. bnx2x_update_pfc_bmac1(params, vars);
  2268. /* set tx mtu */
  2269. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2270. wb_data[1] = 0;
  2271. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2272. /* set cnt max size */
  2273. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2274. wb_data[1] = 0;
  2275. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2276. /* configure safc */
  2277. wb_data[0] = 0x1000200;
  2278. wb_data[1] = 0;
  2279. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2280. wb_data, 2);
  2281. return 0;
  2282. }
  2283. static int bnx2x_bmac2_enable(struct link_params *params,
  2284. struct link_vars *vars,
  2285. u8 is_lb)
  2286. {
  2287. struct bnx2x *bp = params->bp;
  2288. u8 port = params->port;
  2289. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2290. NIG_REG_INGRESS_BMAC0_MEM;
  2291. u32 wb_data[2];
  2292. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2293. wb_data[0] = 0;
  2294. wb_data[1] = 0;
  2295. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2296. udelay(30);
  2297. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2298. wb_data[0] = 0x3c;
  2299. wb_data[1] = 0;
  2300. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2301. wb_data, 2);
  2302. udelay(30);
  2303. /* tx MAC SA */
  2304. wb_data[0] = ((params->mac_addr[2] << 24) |
  2305. (params->mac_addr[3] << 16) |
  2306. (params->mac_addr[4] << 8) |
  2307. params->mac_addr[5]);
  2308. wb_data[1] = ((params->mac_addr[0] << 8) |
  2309. params->mac_addr[1]);
  2310. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2311. wb_data, 2);
  2312. udelay(30);
  2313. /* Configure SAFC */
  2314. wb_data[0] = 0x1000200;
  2315. wb_data[1] = 0;
  2316. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2317. wb_data, 2);
  2318. udelay(30);
  2319. /* set rx mtu */
  2320. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2321. wb_data[1] = 0;
  2322. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2323. udelay(30);
  2324. /* set tx mtu */
  2325. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2326. wb_data[1] = 0;
  2327. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2328. udelay(30);
  2329. /* set cnt max size */
  2330. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2331. wb_data[1] = 0;
  2332. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2333. udelay(30);
  2334. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2335. return 0;
  2336. }
  2337. static int bnx2x_bmac_enable(struct link_params *params,
  2338. struct link_vars *vars,
  2339. u8 is_lb)
  2340. {
  2341. int rc = 0;
  2342. u8 port = params->port;
  2343. struct bnx2x *bp = params->bp;
  2344. u32 val;
  2345. /* reset and unreset the BigMac */
  2346. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2347. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2348. msleep(1);
  2349. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2350. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2351. /* enable access for bmac registers */
  2352. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2353. /* Enable BMAC according to BMAC type*/
  2354. if (CHIP_IS_E2(bp))
  2355. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2356. else
  2357. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2358. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2359. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2360. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2361. val = 0;
  2362. if ((params->feature_config_flags &
  2363. FEATURE_CONFIG_PFC_ENABLED) ||
  2364. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2365. val = 1;
  2366. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2367. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2369. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2370. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2371. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2372. vars->mac_type = MAC_TYPE_BMAC;
  2373. return rc;
  2374. }
  2375. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2376. {
  2377. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2378. NIG_REG_INGRESS_BMAC0_MEM;
  2379. u32 wb_data[2];
  2380. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2381. /* Only if the bmac is out of reset */
  2382. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2383. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2384. nig_bmac_enable) {
  2385. if (CHIP_IS_E2(bp)) {
  2386. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2387. REG_RD_DMAE(bp, bmac_addr +
  2388. BIGMAC2_REGISTER_BMAC_CONTROL,
  2389. wb_data, 2);
  2390. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2391. REG_WR_DMAE(bp, bmac_addr +
  2392. BIGMAC2_REGISTER_BMAC_CONTROL,
  2393. wb_data, 2);
  2394. } else {
  2395. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2396. REG_RD_DMAE(bp, bmac_addr +
  2397. BIGMAC_REGISTER_BMAC_CONTROL,
  2398. wb_data, 2);
  2399. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2400. REG_WR_DMAE(bp, bmac_addr +
  2401. BIGMAC_REGISTER_BMAC_CONTROL,
  2402. wb_data, 2);
  2403. }
  2404. msleep(1);
  2405. }
  2406. }
  2407. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2408. u32 line_speed)
  2409. {
  2410. struct bnx2x *bp = params->bp;
  2411. u8 port = params->port;
  2412. u32 init_crd, crd;
  2413. u32 count = 1000;
  2414. /* disable port */
  2415. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2416. /* wait for init credit */
  2417. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2418. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2419. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2420. while ((init_crd != crd) && count) {
  2421. msleep(5);
  2422. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2423. count--;
  2424. }
  2425. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2426. if (init_crd != crd) {
  2427. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2428. init_crd, crd);
  2429. return -EINVAL;
  2430. }
  2431. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2432. line_speed == SPEED_10 ||
  2433. line_speed == SPEED_100 ||
  2434. line_speed == SPEED_1000 ||
  2435. line_speed == SPEED_2500) {
  2436. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2437. /* update threshold */
  2438. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2439. /* update init credit */
  2440. init_crd = 778; /* (800-18-4) */
  2441. } else {
  2442. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2443. ETH_OVREHEAD)/16;
  2444. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2445. /* update threshold */
  2446. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2447. /* update init credit */
  2448. switch (line_speed) {
  2449. case SPEED_10000:
  2450. init_crd = thresh + 553 - 22;
  2451. break;
  2452. default:
  2453. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2454. line_speed);
  2455. return -EINVAL;
  2456. }
  2457. }
  2458. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2459. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2460. line_speed, init_crd);
  2461. /* probe the credit changes */
  2462. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2463. msleep(5);
  2464. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2465. /* enable port */
  2466. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2467. return 0;
  2468. }
  2469. /**
  2470. * bnx2x_get_emac_base - retrive emac base address
  2471. *
  2472. * @bp: driver handle
  2473. * @mdc_mdio_access: access type
  2474. * @port: port id
  2475. *
  2476. * This function selects the MDC/MDIO access (through emac0 or
  2477. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2478. * phy has a default access mode, which could also be overridden
  2479. * by nvram configuration. This parameter, whether this is the
  2480. * default phy configuration, or the nvram overrun
  2481. * configuration, is passed here as mdc_mdio_access and selects
  2482. * the emac_base for the CL45 read/writes operations
  2483. */
  2484. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2485. u32 mdc_mdio_access, u8 port)
  2486. {
  2487. u32 emac_base = 0;
  2488. switch (mdc_mdio_access) {
  2489. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2490. break;
  2491. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2492. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2493. emac_base = GRCBASE_EMAC1;
  2494. else
  2495. emac_base = GRCBASE_EMAC0;
  2496. break;
  2497. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2498. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2499. emac_base = GRCBASE_EMAC0;
  2500. else
  2501. emac_base = GRCBASE_EMAC1;
  2502. break;
  2503. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2504. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2505. break;
  2506. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2507. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2508. break;
  2509. default:
  2510. break;
  2511. }
  2512. return emac_base;
  2513. }
  2514. /******************************************************************/
  2515. /* CL22 access functions */
  2516. /******************************************************************/
  2517. static int bnx2x_cl22_write(struct bnx2x *bp,
  2518. struct bnx2x_phy *phy,
  2519. u16 reg, u16 val)
  2520. {
  2521. u32 tmp, mode;
  2522. u8 i;
  2523. int rc = 0;
  2524. /* Switch to CL22 */
  2525. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2526. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2527. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2528. /* address */
  2529. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2530. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2531. EMAC_MDIO_COMM_START_BUSY);
  2532. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2533. for (i = 0; i < 50; i++) {
  2534. udelay(10);
  2535. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2536. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2537. udelay(5);
  2538. break;
  2539. }
  2540. }
  2541. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2542. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2543. rc = -EFAULT;
  2544. }
  2545. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2546. return rc;
  2547. }
  2548. static int bnx2x_cl22_read(struct bnx2x *bp,
  2549. struct bnx2x_phy *phy,
  2550. u16 reg, u16 *ret_val)
  2551. {
  2552. u32 val, mode;
  2553. u16 i;
  2554. int rc = 0;
  2555. /* Switch to CL22 */
  2556. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2557. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2558. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2559. /* address */
  2560. val = ((phy->addr << 21) | (reg << 16) |
  2561. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2562. EMAC_MDIO_COMM_START_BUSY);
  2563. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2564. for (i = 0; i < 50; i++) {
  2565. udelay(10);
  2566. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2567. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2568. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2569. udelay(5);
  2570. break;
  2571. }
  2572. }
  2573. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2574. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2575. *ret_val = 0;
  2576. rc = -EFAULT;
  2577. }
  2578. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2579. return rc;
  2580. }
  2581. /******************************************************************/
  2582. /* CL45 access functions */
  2583. /******************************************************************/
  2584. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2585. u8 devad, u16 reg, u16 *ret_val)
  2586. {
  2587. u32 val;
  2588. u16 i;
  2589. int rc = 0;
  2590. /* address */
  2591. val = ((phy->addr << 21) | (devad << 16) | reg |
  2592. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2593. EMAC_MDIO_COMM_START_BUSY);
  2594. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2595. for (i = 0; i < 50; i++) {
  2596. udelay(10);
  2597. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2598. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2599. udelay(5);
  2600. break;
  2601. }
  2602. }
  2603. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2604. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2605. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2606. *ret_val = 0;
  2607. rc = -EFAULT;
  2608. } else {
  2609. /* data */
  2610. val = ((phy->addr << 21) | (devad << 16) |
  2611. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2612. EMAC_MDIO_COMM_START_BUSY);
  2613. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2614. for (i = 0; i < 50; i++) {
  2615. udelay(10);
  2616. val = REG_RD(bp, phy->mdio_ctrl +
  2617. EMAC_REG_EMAC_MDIO_COMM);
  2618. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2619. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2620. break;
  2621. }
  2622. }
  2623. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2624. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2625. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2626. *ret_val = 0;
  2627. rc = -EFAULT;
  2628. }
  2629. }
  2630. /* Work around for E3 A0 */
  2631. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2632. phy->flags ^= FLAGS_DUMMY_READ;
  2633. if (phy->flags & FLAGS_DUMMY_READ) {
  2634. u16 temp_val;
  2635. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2636. }
  2637. }
  2638. return rc;
  2639. }
  2640. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2641. u8 devad, u16 reg, u16 val)
  2642. {
  2643. u32 tmp;
  2644. u8 i;
  2645. int rc = 0;
  2646. /* address */
  2647. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2648. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2649. EMAC_MDIO_COMM_START_BUSY);
  2650. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2651. for (i = 0; i < 50; i++) {
  2652. udelay(10);
  2653. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2654. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2655. udelay(5);
  2656. break;
  2657. }
  2658. }
  2659. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2660. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2661. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2662. rc = -EFAULT;
  2663. } else {
  2664. /* data */
  2665. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2666. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2667. EMAC_MDIO_COMM_START_BUSY);
  2668. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2669. for (i = 0; i < 50; i++) {
  2670. udelay(10);
  2671. tmp = REG_RD(bp, phy->mdio_ctrl +
  2672. EMAC_REG_EMAC_MDIO_COMM);
  2673. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2674. udelay(5);
  2675. break;
  2676. }
  2677. }
  2678. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2679. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2680. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2681. rc = -EFAULT;
  2682. }
  2683. }
  2684. /* Work around for E3 A0 */
  2685. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2686. phy->flags ^= FLAGS_DUMMY_READ;
  2687. if (phy->flags & FLAGS_DUMMY_READ) {
  2688. u16 temp_val;
  2689. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2690. }
  2691. }
  2692. return rc;
  2693. }
  2694. /******************************************************************/
  2695. /* BSC access functions from E3 */
  2696. /******************************************************************/
  2697. static void bnx2x_bsc_module_sel(struct link_params *params)
  2698. {
  2699. int idx;
  2700. u32 board_cfg, sfp_ctrl;
  2701. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2702. struct bnx2x *bp = params->bp;
  2703. u8 port = params->port;
  2704. /* Read I2C output PINs */
  2705. board_cfg = REG_RD(bp, params->shmem_base +
  2706. offsetof(struct shmem_region,
  2707. dev_info.shared_hw_config.board));
  2708. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2709. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2710. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2711. /* Read I2C output value */
  2712. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2713. offsetof(struct shmem_region,
  2714. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2715. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2716. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2717. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2718. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2719. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2720. }
  2721. static int bnx2x_bsc_read(struct link_params *params,
  2722. struct bnx2x_phy *phy,
  2723. u8 sl_devid,
  2724. u16 sl_addr,
  2725. u8 lc_addr,
  2726. u8 xfer_cnt,
  2727. u32 *data_array)
  2728. {
  2729. u32 val, i;
  2730. int rc = 0;
  2731. struct bnx2x *bp = params->bp;
  2732. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2733. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2734. return -EINVAL;
  2735. }
  2736. if (xfer_cnt > 16) {
  2737. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2738. xfer_cnt);
  2739. return -EINVAL;
  2740. }
  2741. bnx2x_bsc_module_sel(params);
  2742. xfer_cnt = 16 - lc_addr;
  2743. /* enable the engine */
  2744. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2745. val |= MCPR_IMC_COMMAND_ENABLE;
  2746. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2747. /* program slave device ID */
  2748. val = (sl_devid << 16) | sl_addr;
  2749. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2750. /* start xfer with 0 byte to update the address pointer ???*/
  2751. val = (MCPR_IMC_COMMAND_ENABLE) |
  2752. (MCPR_IMC_COMMAND_WRITE_OP <<
  2753. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2754. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2755. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2756. /* poll for completion */
  2757. i = 0;
  2758. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2759. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2760. udelay(10);
  2761. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2762. if (i++ > 1000) {
  2763. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2764. i);
  2765. rc = -EFAULT;
  2766. break;
  2767. }
  2768. }
  2769. if (rc == -EFAULT)
  2770. return rc;
  2771. /* start xfer with read op */
  2772. val = (MCPR_IMC_COMMAND_ENABLE) |
  2773. (MCPR_IMC_COMMAND_READ_OP <<
  2774. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2775. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2776. (xfer_cnt);
  2777. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2778. /* poll for completion */
  2779. i = 0;
  2780. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2781. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2782. udelay(10);
  2783. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2784. if (i++ > 1000) {
  2785. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2786. rc = -EFAULT;
  2787. break;
  2788. }
  2789. }
  2790. if (rc == -EFAULT)
  2791. return rc;
  2792. for (i = (lc_addr >> 2); i < 4; i++) {
  2793. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2794. #ifdef __BIG_ENDIAN
  2795. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2796. ((data_array[i] & 0x0000ff00) << 8) |
  2797. ((data_array[i] & 0x00ff0000) >> 8) |
  2798. ((data_array[i] & 0xff000000) >> 24);
  2799. #endif
  2800. }
  2801. return rc;
  2802. }
  2803. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2804. u8 devad, u16 reg, u16 or_val)
  2805. {
  2806. u16 val;
  2807. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2808. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2809. }
  2810. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2811. u8 devad, u16 reg, u16 *ret_val)
  2812. {
  2813. u8 phy_index;
  2814. /*
  2815. * Probe for the phy according to the given phy_addr, and execute
  2816. * the read request on it
  2817. */
  2818. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2819. if (params->phy[phy_index].addr == phy_addr) {
  2820. return bnx2x_cl45_read(params->bp,
  2821. &params->phy[phy_index], devad,
  2822. reg, ret_val);
  2823. }
  2824. }
  2825. return -EINVAL;
  2826. }
  2827. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2828. u8 devad, u16 reg, u16 val)
  2829. {
  2830. u8 phy_index;
  2831. /*
  2832. * Probe for the phy according to the given phy_addr, and execute
  2833. * the write request on it
  2834. */
  2835. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2836. if (params->phy[phy_index].addr == phy_addr) {
  2837. return bnx2x_cl45_write(params->bp,
  2838. &params->phy[phy_index], devad,
  2839. reg, val);
  2840. }
  2841. }
  2842. return -EINVAL;
  2843. }
  2844. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2845. struct link_params *params)
  2846. {
  2847. u8 lane = 0;
  2848. struct bnx2x *bp = params->bp;
  2849. u32 path_swap, path_swap_ovr;
  2850. u8 path, port;
  2851. path = BP_PATH(bp);
  2852. port = params->port;
  2853. if (bnx2x_is_4_port_mode(bp)) {
  2854. u32 port_swap, port_swap_ovr;
  2855. /*figure out path swap value */
  2856. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2857. if (path_swap_ovr & 0x1)
  2858. path_swap = (path_swap_ovr & 0x2);
  2859. else
  2860. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2861. if (path_swap)
  2862. path = path ^ 1;
  2863. /*figure out port swap value */
  2864. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2865. if (port_swap_ovr & 0x1)
  2866. port_swap = (port_swap_ovr & 0x2);
  2867. else
  2868. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2869. if (port_swap)
  2870. port = port ^ 1;
  2871. lane = (port<<1) + path;
  2872. } else { /* two port mode - no port swap */
  2873. /*figure out path swap value */
  2874. path_swap_ovr =
  2875. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2876. if (path_swap_ovr & 0x1) {
  2877. path_swap = (path_swap_ovr & 0x2);
  2878. } else {
  2879. path_swap =
  2880. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2881. }
  2882. if (path_swap)
  2883. path = path ^ 1;
  2884. lane = path << 1 ;
  2885. }
  2886. return lane;
  2887. }
  2888. static void bnx2x_set_aer_mmd(struct link_params *params,
  2889. struct bnx2x_phy *phy)
  2890. {
  2891. u32 ser_lane;
  2892. u16 offset, aer_val;
  2893. struct bnx2x *bp = params->bp;
  2894. ser_lane = ((params->lane_config &
  2895. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2896. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2897. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2898. (phy->addr + ser_lane) : 0;
  2899. if (USES_WARPCORE(bp)) {
  2900. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2901. /*
  2902. * In Dual-lane mode, two lanes are joined together,
  2903. * so in order to configure them, the AER broadcast method is
  2904. * used here.
  2905. * 0x200 is the broadcast address for lanes 0,1
  2906. * 0x201 is the broadcast address for lanes 2,3
  2907. */
  2908. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2909. aer_val = (aer_val >> 1) | 0x200;
  2910. } else if (CHIP_IS_E2(bp))
  2911. aer_val = 0x3800 + offset - 1;
  2912. else
  2913. aer_val = 0x3800 + offset;
  2914. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2915. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2916. MDIO_AER_BLOCK_AER_REG, aer_val);
  2917. }
  2918. /******************************************************************/
  2919. /* Internal phy section */
  2920. /******************************************************************/
  2921. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2922. {
  2923. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2924. /* Set Clause 22 */
  2925. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2926. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2927. udelay(500);
  2928. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2929. udelay(500);
  2930. /* Set Clause 45 */
  2931. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2932. }
  2933. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2934. {
  2935. u32 val;
  2936. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2937. val = SERDES_RESET_BITS << (port*16);
  2938. /* reset and unreset the SerDes/XGXS */
  2939. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2940. udelay(500);
  2941. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2942. bnx2x_set_serdes_access(bp, port);
  2943. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2944. DEFAULT_PHY_DEV_ADDR);
  2945. }
  2946. static void bnx2x_xgxs_deassert(struct link_params *params)
  2947. {
  2948. struct bnx2x *bp = params->bp;
  2949. u8 port;
  2950. u32 val;
  2951. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2952. port = params->port;
  2953. val = XGXS_RESET_BITS << (port*16);
  2954. /* reset and unreset the SerDes/XGXS */
  2955. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2956. udelay(500);
  2957. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2958. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2959. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2960. params->phy[INT_PHY].def_md_devad);
  2961. }
  2962. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2963. struct link_params *params, u16 *ieee_fc)
  2964. {
  2965. struct bnx2x *bp = params->bp;
  2966. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2967. /**
  2968. * resolve pause mode and advertisement Please refer to Table
  2969. * 28B-3 of the 802.3ab-1999 spec
  2970. */
  2971. switch (phy->req_flow_ctrl) {
  2972. case BNX2X_FLOW_CTRL_AUTO:
  2973. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2974. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2975. else
  2976. *ieee_fc |=
  2977. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2978. break;
  2979. case BNX2X_FLOW_CTRL_TX:
  2980. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2981. break;
  2982. case BNX2X_FLOW_CTRL_RX:
  2983. case BNX2X_FLOW_CTRL_BOTH:
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2985. break;
  2986. case BNX2X_FLOW_CTRL_NONE:
  2987. default:
  2988. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2989. break;
  2990. }
  2991. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2992. }
  2993. static void set_phy_vars(struct link_params *params,
  2994. struct link_vars *vars)
  2995. {
  2996. struct bnx2x *bp = params->bp;
  2997. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2998. u8 phy_config_swapped = params->multi_phy_config &
  2999. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3000. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3001. phy_index++) {
  3002. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3003. actual_phy_idx = phy_index;
  3004. if (phy_config_swapped) {
  3005. if (phy_index == EXT_PHY1)
  3006. actual_phy_idx = EXT_PHY2;
  3007. else if (phy_index == EXT_PHY2)
  3008. actual_phy_idx = EXT_PHY1;
  3009. }
  3010. params->phy[actual_phy_idx].req_flow_ctrl =
  3011. params->req_flow_ctrl[link_cfg_idx];
  3012. params->phy[actual_phy_idx].req_line_speed =
  3013. params->req_line_speed[link_cfg_idx];
  3014. params->phy[actual_phy_idx].speed_cap_mask =
  3015. params->speed_cap_mask[link_cfg_idx];
  3016. params->phy[actual_phy_idx].req_duplex =
  3017. params->req_duplex[link_cfg_idx];
  3018. if (params->req_line_speed[link_cfg_idx] ==
  3019. SPEED_AUTO_NEG)
  3020. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3021. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3022. " speed_cap_mask %x\n",
  3023. params->phy[actual_phy_idx].req_flow_ctrl,
  3024. params->phy[actual_phy_idx].req_line_speed,
  3025. params->phy[actual_phy_idx].speed_cap_mask);
  3026. }
  3027. }
  3028. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3029. struct bnx2x_phy *phy,
  3030. struct link_vars *vars)
  3031. {
  3032. u16 val;
  3033. struct bnx2x *bp = params->bp;
  3034. /* read modify write pause advertizing */
  3035. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3036. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3037. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3038. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3039. if ((vars->ieee_fc &
  3040. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3042. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3043. }
  3044. if ((vars->ieee_fc &
  3045. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3046. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3047. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3048. }
  3049. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3050. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3051. }
  3052. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3053. { /* LD LP */
  3054. switch (pause_result) { /* ASYM P ASYM P */
  3055. case 0xb: /* 1 0 1 1 */
  3056. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3057. break;
  3058. case 0xe: /* 1 1 1 0 */
  3059. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3060. break;
  3061. case 0x5: /* 0 1 0 1 */
  3062. case 0x7: /* 0 1 1 1 */
  3063. case 0xd: /* 1 1 0 1 */
  3064. case 0xf: /* 1 1 1 1 */
  3065. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3066. break;
  3067. default:
  3068. break;
  3069. }
  3070. if (pause_result & (1<<0))
  3071. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3072. if (pause_result & (1<<1))
  3073. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3074. }
  3075. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3076. struct link_params *params,
  3077. struct link_vars *vars)
  3078. {
  3079. struct bnx2x *bp = params->bp;
  3080. u16 ld_pause; /* local */
  3081. u16 lp_pause; /* link partner */
  3082. u16 pause_result;
  3083. u8 ret = 0;
  3084. /* read twice */
  3085. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3086. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3087. vars->flow_ctrl = phy->req_flow_ctrl;
  3088. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3089. vars->flow_ctrl = params->req_fc_auto_adv;
  3090. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3091. ret = 1;
  3092. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3093. bnx2x_cl22_read(bp, phy,
  3094. 0x4, &ld_pause);
  3095. bnx2x_cl22_read(bp, phy,
  3096. 0x5, &lp_pause);
  3097. } else {
  3098. bnx2x_cl45_read(bp, phy,
  3099. MDIO_AN_DEVAD,
  3100. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3101. bnx2x_cl45_read(bp, phy,
  3102. MDIO_AN_DEVAD,
  3103. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3104. }
  3105. pause_result = (ld_pause &
  3106. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3107. pause_result |= (lp_pause &
  3108. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3109. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3110. pause_result);
  3111. bnx2x_pause_resolve(vars, pause_result);
  3112. }
  3113. return ret;
  3114. }
  3115. /******************************************************************/
  3116. /* Warpcore section */
  3117. /******************************************************************/
  3118. /* The init_internal_warpcore should mirror the xgxs,
  3119. * i.e. reset the lane (if needed), set aer for the
  3120. * init configuration, and set/clear SGMII flag. Internal
  3121. * phy init is done purely in phy_init stage.
  3122. */
  3123. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3124. struct link_params *params,
  3125. struct link_vars *vars) {
  3126. u16 val16 = 0, lane, bam37 = 0;
  3127. struct bnx2x *bp = params->bp;
  3128. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3129. /* Check adding advertisement for 1G KX */
  3130. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3131. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3132. (vars->line_speed == SPEED_1000)) {
  3133. u16 sd_digital;
  3134. val16 |= (1<<5);
  3135. /* Enable CL37 1G Parallel Detect */
  3136. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3137. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3138. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3139. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3140. (sd_digital | 0x1));
  3141. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3142. }
  3143. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3144. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3145. (vars->line_speed == SPEED_10000)) {
  3146. /* Check adding advertisement for 10G KR */
  3147. val16 |= (1<<7);
  3148. /* Enable 10G Parallel Detect */
  3149. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3150. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3151. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3152. }
  3153. /* Set Transmit PMD settings */
  3154. lane = bnx2x_get_warpcore_lane(phy, params);
  3155. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3156. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3157. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3158. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3159. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3160. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3161. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3162. 0x03f0);
  3163. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3164. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3165. 0x03f0);
  3166. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3167. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3168. 0x383f);
  3169. /* Advertised speeds */
  3170. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3171. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3172. /* Enable CL37 BAM */
  3173. if (REG_RD(bp, params->shmem_base +
  3174. offsetof(struct shmem_region, dev_info.
  3175. port_hw_config[params->port].default_cfg)) &
  3176. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3177. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3179. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3180. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3181. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3182. }
  3183. /* Advertise pause */
  3184. bnx2x_ext_phy_set_pause(params, phy, vars);
  3185. /* Enable Autoneg */
  3186. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3187. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3188. /* Over 1G - AN local device user page 1 */
  3189. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3190. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3191. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3193. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3194. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3195. }
  3196. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3197. struct link_params *params,
  3198. struct link_vars *vars)
  3199. {
  3200. struct bnx2x *bp = params->bp;
  3201. u16 val;
  3202. /* Disable Autoneg */
  3203. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3204. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3205. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3206. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3207. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3208. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3209. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3210. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3211. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3212. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3213. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3214. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3215. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3217. /* Disable CL36 PCS Tx */
  3218. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3220. /* Double Wide Single Data Rate @ pll rate */
  3221. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3222. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3223. /* Leave cl72 training enable, needed for KR */
  3224. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3225. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3226. 0x2);
  3227. /* Leave CL72 enabled */
  3228. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3230. &val);
  3231. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3232. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3233. val | 0x3800);
  3234. /* Set speed via PMA/PMD register */
  3235. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3236. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3237. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3238. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3239. /*Enable encoded forced speed */
  3240. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3241. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3242. /* Turn TX scramble payload only the 64/66 scrambler */
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3245. /* Turn RX scramble payload only the 64/66 scrambler */
  3246. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3248. /* set and clear loopback to cause a reset to 64/66 decoder */
  3249. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3250. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3251. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3252. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3253. }
  3254. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3255. struct link_params *params,
  3256. u8 is_xfi)
  3257. {
  3258. struct bnx2x *bp = params->bp;
  3259. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3260. /* Hold rxSeqStart */
  3261. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3263. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3265. /* Hold tx_fifo_reset */
  3266. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3270. /* Disable CL73 AN */
  3271. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3272. /* Disable 100FX Enable and Auto-Detect */
  3273. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3274. MDIO_WC_REG_FX100_CTRL1, &val);
  3275. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3277. /* Disable 100FX Idle detect */
  3278. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_FX100_CTRL3, &val);
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3282. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3283. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3285. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3287. /* Turn off auto-detect & fiber mode */
  3288. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3290. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3292. (val & 0xFFEE));
  3293. /* Set filter_force_link, disable_false_link and parallel_detect */
  3294. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3295. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3296. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3297. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3298. ((val | 0x0006) & 0xFFFE));
  3299. /* Set XFI / SFI */
  3300. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3302. misc1_val &= ~(0x1f);
  3303. if (is_xfi) {
  3304. misc1_val |= 0x5;
  3305. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3306. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3307. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3308. tx_driver_val =
  3309. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3310. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3311. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3312. } else {
  3313. misc1_val |= 0x9;
  3314. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3315. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3316. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3317. tx_driver_val =
  3318. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3319. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3320. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3321. }
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3324. /* Set Transmit PMD settings */
  3325. lane = bnx2x_get_warpcore_lane(phy, params);
  3326. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_TX_FIR_TAP,
  3328. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3329. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3331. tx_driver_val);
  3332. /* Enable fiber mode, enable and invert sig_det */
  3333. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3335. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3336. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3337. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3338. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3340. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3342. /* 10G XFI Full Duplex */
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3345. /* Release tx_fifo_reset */
  3346. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3348. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3349. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3350. /* Release rxSeqStart */
  3351. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3352. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3353. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3355. }
  3356. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3357. struct bnx2x_phy *phy)
  3358. {
  3359. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3360. }
  3361. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3362. struct bnx2x_phy *phy,
  3363. u16 lane)
  3364. {
  3365. /* Rx0 anaRxControl1G */
  3366. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3367. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3368. /* Rx2 anaRxControl1G */
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3371. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3387. /* Serdes Digital Misc1 */
  3388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3390. /* Serdes Digital4 Misc3 */
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3393. /* Set Transmit PMD settings */
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_TX_FIR_TAP,
  3396. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3397. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3398. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3399. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3402. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3403. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3404. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3405. }
  3406. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3407. struct link_params *params,
  3408. u8 fiber_mode)
  3409. {
  3410. struct bnx2x *bp = params->bp;
  3411. u16 val16, digctrl_kx1, digctrl_kx2;
  3412. u8 lane;
  3413. lane = bnx2x_get_warpcore_lane(phy, params);
  3414. /* Clear XFI clock comp in non-10G single lane mode. */
  3415. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_RX66_CONTROL, &val16);
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3419. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3420. /* SGMII Autoneg */
  3421. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3423. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3424. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3425. val16 | 0x1000);
  3426. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3427. } else {
  3428. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3430. val16 &= 0xcfbf;
  3431. switch (phy->req_line_speed) {
  3432. case SPEED_10:
  3433. break;
  3434. case SPEED_100:
  3435. val16 |= 0x2000;
  3436. break;
  3437. case SPEED_1000:
  3438. val16 |= 0x0040;
  3439. break;
  3440. default:
  3441. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3442. "\n", phy->req_line_speed);
  3443. return;
  3444. }
  3445. if (phy->req_duplex == DUPLEX_FULL)
  3446. val16 |= 0x0100;
  3447. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3449. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3450. phy->req_line_speed);
  3451. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3452. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3453. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3454. }
  3455. /* SGMII Slave mode and disable signal detect */
  3456. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3458. if (fiber_mode)
  3459. digctrl_kx1 = 1;
  3460. else
  3461. digctrl_kx1 &= 0xff4a;
  3462. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3464. digctrl_kx1);
  3465. /* Turn off parallel detect */
  3466. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3468. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3470. (digctrl_kx2 & ~(1<<2)));
  3471. /* Re-enable parallel detect */
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3474. (digctrl_kx2 | (1<<2)));
  3475. /* Enable autodet */
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3478. (digctrl_kx1 | 0x10));
  3479. }
  3480. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3481. struct bnx2x_phy *phy,
  3482. u8 reset)
  3483. {
  3484. u16 val;
  3485. /* Take lane out of reset after configuration is finished */
  3486. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3488. if (reset)
  3489. val |= 0xC000;
  3490. else
  3491. val &= 0x3FFF;
  3492. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3494. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3496. }
  3497. /* Clear SFI/XFI link settings registers */
  3498. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3499. struct link_params *params,
  3500. u16 lane)
  3501. {
  3502. struct bnx2x *bp = params->bp;
  3503. u16 val16;
  3504. /* Set XFI clock comp as default. */
  3505. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_RX66_CONTROL, &val16);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3509. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3510. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3521. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3523. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3525. lane = bnx2x_get_warpcore_lane(phy, params);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3534. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3535. }
  3536. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3537. u32 chip_id,
  3538. u32 shmem_base, u8 port,
  3539. u8 *gpio_num, u8 *gpio_port)
  3540. {
  3541. u32 cfg_pin;
  3542. *gpio_num = 0;
  3543. *gpio_port = 0;
  3544. if (CHIP_IS_E3(bp)) {
  3545. cfg_pin = (REG_RD(bp, shmem_base +
  3546. offsetof(struct shmem_region,
  3547. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3548. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3549. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3550. /*
  3551. * Should not happen. This function called upon interrupt
  3552. * triggered by GPIO ( since EPIO can only generate interrupts
  3553. * to MCP).
  3554. * So if this function was called and none of the GPIOs was set,
  3555. * it means the shit hit the fan.
  3556. */
  3557. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3558. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3559. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3560. "module detect indication\n",
  3561. cfg_pin);
  3562. return -EINVAL;
  3563. }
  3564. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3565. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3566. } else {
  3567. *gpio_num = MISC_REGISTERS_GPIO_3;
  3568. *gpio_port = port;
  3569. }
  3570. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3571. return 0;
  3572. }
  3573. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3574. struct link_params *params)
  3575. {
  3576. struct bnx2x *bp = params->bp;
  3577. u8 gpio_num, gpio_port;
  3578. u32 gpio_val;
  3579. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3580. params->shmem_base, params->port,
  3581. &gpio_num, &gpio_port) != 0)
  3582. return 0;
  3583. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3584. /* Call the handling function in case module is detected */
  3585. if (gpio_val == 0)
  3586. return 1;
  3587. else
  3588. return 0;
  3589. }
  3590. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3591. struct link_params *params,
  3592. struct link_vars *vars)
  3593. {
  3594. struct bnx2x *bp = params->bp;
  3595. u32 serdes_net_if;
  3596. u8 fiber_mode;
  3597. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3598. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3599. offsetof(struct shmem_region, dev_info.
  3600. port_hw_config[params->port].default_cfg)) &
  3601. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3602. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3603. "serdes_net_if = 0x%x\n",
  3604. vars->line_speed, serdes_net_if);
  3605. bnx2x_set_aer_mmd(params, phy);
  3606. vars->phy_flags |= PHY_XGXS_FLAG;
  3607. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3608. (phy->req_line_speed &&
  3609. ((phy->req_line_speed == SPEED_100) ||
  3610. (phy->req_line_speed == SPEED_10)))) {
  3611. vars->phy_flags |= PHY_SGMII_FLAG;
  3612. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3613. bnx2x_warpcore_clear_regs(phy, params, lane);
  3614. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3615. } else {
  3616. switch (serdes_net_if) {
  3617. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3618. /* Enable KR Auto Neg */
  3619. if (params->loopback_mode == LOOPBACK_NONE)
  3620. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3621. else {
  3622. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3623. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3624. }
  3625. break;
  3626. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3627. bnx2x_warpcore_clear_regs(phy, params, lane);
  3628. if (vars->line_speed == SPEED_10000) {
  3629. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3630. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3631. } else {
  3632. if (SINGLE_MEDIA_DIRECT(params)) {
  3633. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3634. fiber_mode = 1;
  3635. } else {
  3636. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3637. fiber_mode = 0;
  3638. }
  3639. bnx2x_warpcore_set_sgmii_speed(phy,
  3640. params,
  3641. fiber_mode);
  3642. }
  3643. break;
  3644. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3645. bnx2x_warpcore_clear_regs(phy, params, lane);
  3646. if (vars->line_speed == SPEED_10000) {
  3647. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3648. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3649. } else if (vars->line_speed == SPEED_1000) {
  3650. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3651. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3652. }
  3653. /* Issue Module detection */
  3654. if (bnx2x_is_sfp_module_plugged(phy, params))
  3655. bnx2x_sfp_module_detection(phy, params);
  3656. break;
  3657. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3658. if (vars->line_speed != SPEED_20000) {
  3659. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3660. return;
  3661. }
  3662. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3663. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3664. /* Issue Module detection */
  3665. bnx2x_sfp_module_detection(phy, params);
  3666. break;
  3667. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3668. if (vars->line_speed != SPEED_20000) {
  3669. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3670. return;
  3671. }
  3672. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3673. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3674. break;
  3675. default:
  3676. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3677. "0x%x\n", serdes_net_if);
  3678. return;
  3679. }
  3680. }
  3681. /* Take lane out of reset after configuration is finished */
  3682. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3683. DP(NETIF_MSG_LINK, "Exit config init\n");
  3684. }
  3685. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3686. struct bnx2x_phy *phy,
  3687. u8 tx_en)
  3688. {
  3689. struct bnx2x *bp = params->bp;
  3690. u32 cfg_pin;
  3691. u8 port = params->port;
  3692. cfg_pin = REG_RD(bp, params->shmem_base +
  3693. offsetof(struct shmem_region,
  3694. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3695. PORT_HW_CFG_TX_LASER_MASK;
  3696. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3697. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3698. /* For 20G, the expected pin to be used is 3 pins after the current */
  3699. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3700. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3701. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3702. }
  3703. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3704. struct link_params *params)
  3705. {
  3706. struct bnx2x *bp = params->bp;
  3707. u16 val16;
  3708. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3709. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3710. bnx2x_set_aer_mmd(params, phy);
  3711. /* Global register */
  3712. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3713. /* Clear loopback settings (if any) */
  3714. /* 10G & 20G */
  3715. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3717. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3718. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3719. 0xBFFF);
  3720. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3721. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3722. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3723. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3724. /* Update those 1-copy registers */
  3725. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3726. MDIO_AER_BLOCK_AER_REG, 0);
  3727. /* Enable 1G MDIO (1-copy) */
  3728. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3729. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3730. &val16);
  3731. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3732. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3733. val16 & ~0x10);
  3734. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3735. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3736. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3737. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3738. val16 & 0xff00);
  3739. }
  3740. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3741. struct link_params *params)
  3742. {
  3743. struct bnx2x *bp = params->bp;
  3744. u16 val16;
  3745. u32 lane;
  3746. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3747. params->loopback_mode, phy->req_line_speed);
  3748. if (phy->req_line_speed < SPEED_10000) {
  3749. /* 10/100/1000 */
  3750. /* Update those 1-copy registers */
  3751. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3752. MDIO_AER_BLOCK_AER_REG, 0);
  3753. /* Enable 1G MDIO (1-copy) */
  3754. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3755. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3756. &val16);
  3757. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3758. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3759. val16 | 0x10);
  3760. /* Set 1G loopback based on lane (1-copy) */
  3761. lane = bnx2x_get_warpcore_lane(phy, params);
  3762. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3763. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3764. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3765. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3766. val16 | (1<<lane));
  3767. /* Switch back to 4-copy registers */
  3768. bnx2x_set_aer_mmd(params, phy);
  3769. /* Global loopback, not recommended. */
  3770. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3771. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3772. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3773. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3774. 0x4000);
  3775. } else {
  3776. /* 10G & 20G */
  3777. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3778. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3779. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3780. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3781. 0x4000);
  3782. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3783. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3784. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3785. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3786. }
  3787. }
  3788. void bnx2x_link_status_update(struct link_params *params,
  3789. struct link_vars *vars)
  3790. {
  3791. struct bnx2x *bp = params->bp;
  3792. u8 link_10g_plus;
  3793. u8 port = params->port;
  3794. u32 sync_offset, media_types;
  3795. /* Update PHY configuration */
  3796. set_phy_vars(params, vars);
  3797. vars->link_status = REG_RD(bp, params->shmem_base +
  3798. offsetof(struct shmem_region,
  3799. port_mb[port].link_status));
  3800. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3801. vars->phy_flags = PHY_XGXS_FLAG;
  3802. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3803. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3804. if (vars->link_up) {
  3805. DP(NETIF_MSG_LINK, "phy link up\n");
  3806. vars->phy_link_up = 1;
  3807. vars->duplex = DUPLEX_FULL;
  3808. switch (vars->link_status &
  3809. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3810. case LINK_10THD:
  3811. vars->duplex = DUPLEX_HALF;
  3812. /* fall thru */
  3813. case LINK_10TFD:
  3814. vars->line_speed = SPEED_10;
  3815. break;
  3816. case LINK_100TXHD:
  3817. vars->duplex = DUPLEX_HALF;
  3818. /* fall thru */
  3819. case LINK_100T4:
  3820. case LINK_100TXFD:
  3821. vars->line_speed = SPEED_100;
  3822. break;
  3823. case LINK_1000THD:
  3824. vars->duplex = DUPLEX_HALF;
  3825. /* fall thru */
  3826. case LINK_1000TFD:
  3827. vars->line_speed = SPEED_1000;
  3828. break;
  3829. case LINK_2500THD:
  3830. vars->duplex = DUPLEX_HALF;
  3831. /* fall thru */
  3832. case LINK_2500TFD:
  3833. vars->line_speed = SPEED_2500;
  3834. break;
  3835. case LINK_10GTFD:
  3836. vars->line_speed = SPEED_10000;
  3837. break;
  3838. case LINK_20GTFD:
  3839. vars->line_speed = SPEED_20000;
  3840. break;
  3841. default:
  3842. break;
  3843. }
  3844. vars->flow_ctrl = 0;
  3845. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3846. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3847. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3848. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3849. if (!vars->flow_ctrl)
  3850. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3851. if (vars->line_speed &&
  3852. ((vars->line_speed == SPEED_10) ||
  3853. (vars->line_speed == SPEED_100))) {
  3854. vars->phy_flags |= PHY_SGMII_FLAG;
  3855. } else {
  3856. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3857. }
  3858. if (vars->line_speed &&
  3859. USES_WARPCORE(bp) &&
  3860. (vars->line_speed == SPEED_1000))
  3861. vars->phy_flags |= PHY_SGMII_FLAG;
  3862. /* anything 10 and over uses the bmac */
  3863. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3864. if (link_10g_plus) {
  3865. if (USES_WARPCORE(bp))
  3866. vars->mac_type = MAC_TYPE_XMAC;
  3867. else
  3868. vars->mac_type = MAC_TYPE_BMAC;
  3869. } else {
  3870. if (USES_WARPCORE(bp))
  3871. vars->mac_type = MAC_TYPE_UMAC;
  3872. else
  3873. vars->mac_type = MAC_TYPE_EMAC;
  3874. }
  3875. } else { /* link down */
  3876. DP(NETIF_MSG_LINK, "phy link down\n");
  3877. vars->phy_link_up = 0;
  3878. vars->line_speed = 0;
  3879. vars->duplex = DUPLEX_FULL;
  3880. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3881. /* indicate no mac active */
  3882. vars->mac_type = MAC_TYPE_NONE;
  3883. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3884. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3885. }
  3886. /* Sync media type */
  3887. sync_offset = params->shmem_base +
  3888. offsetof(struct shmem_region,
  3889. dev_info.port_hw_config[port].media_type);
  3890. media_types = REG_RD(bp, sync_offset);
  3891. params->phy[INT_PHY].media_type =
  3892. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3893. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3894. params->phy[EXT_PHY1].media_type =
  3895. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3896. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3897. params->phy[EXT_PHY2].media_type =
  3898. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3899. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3900. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3901. /* Sync AEU offset */
  3902. sync_offset = params->shmem_base +
  3903. offsetof(struct shmem_region,
  3904. dev_info.port_hw_config[port].aeu_int_mask);
  3905. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3906. /* Sync PFC status */
  3907. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3908. params->feature_config_flags |=
  3909. FEATURE_CONFIG_PFC_ENABLED;
  3910. else
  3911. params->feature_config_flags &=
  3912. ~FEATURE_CONFIG_PFC_ENABLED;
  3913. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3914. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3915. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3916. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3917. }
  3918. static void bnx2x_set_master_ln(struct link_params *params,
  3919. struct bnx2x_phy *phy)
  3920. {
  3921. struct bnx2x *bp = params->bp;
  3922. u16 new_master_ln, ser_lane;
  3923. ser_lane = ((params->lane_config &
  3924. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3925. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3926. /* set the master_ln for AN */
  3927. CL22_RD_OVER_CL45(bp, phy,
  3928. MDIO_REG_BANK_XGXS_BLOCK2,
  3929. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3930. &new_master_ln);
  3931. CL22_WR_OVER_CL45(bp, phy,
  3932. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3933. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3934. (new_master_ln | ser_lane));
  3935. }
  3936. static int bnx2x_reset_unicore(struct link_params *params,
  3937. struct bnx2x_phy *phy,
  3938. u8 set_serdes)
  3939. {
  3940. struct bnx2x *bp = params->bp;
  3941. u16 mii_control;
  3942. u16 i;
  3943. CL22_RD_OVER_CL45(bp, phy,
  3944. MDIO_REG_BANK_COMBO_IEEE0,
  3945. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3946. /* reset the unicore */
  3947. CL22_WR_OVER_CL45(bp, phy,
  3948. MDIO_REG_BANK_COMBO_IEEE0,
  3949. MDIO_COMBO_IEEE0_MII_CONTROL,
  3950. (mii_control |
  3951. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3952. if (set_serdes)
  3953. bnx2x_set_serdes_access(bp, params->port);
  3954. /* wait for the reset to self clear */
  3955. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3956. udelay(5);
  3957. /* the reset erased the previous bank value */
  3958. CL22_RD_OVER_CL45(bp, phy,
  3959. MDIO_REG_BANK_COMBO_IEEE0,
  3960. MDIO_COMBO_IEEE0_MII_CONTROL,
  3961. &mii_control);
  3962. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3963. udelay(5);
  3964. return 0;
  3965. }
  3966. }
  3967. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3968. " Port %d\n",
  3969. params->port);
  3970. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3971. return -EINVAL;
  3972. }
  3973. static void bnx2x_set_swap_lanes(struct link_params *params,
  3974. struct bnx2x_phy *phy)
  3975. {
  3976. struct bnx2x *bp = params->bp;
  3977. /*
  3978. * Each two bits represents a lane number:
  3979. * No swap is 0123 => 0x1b no need to enable the swap
  3980. */
  3981. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3982. ser_lane = ((params->lane_config &
  3983. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3984. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3985. rx_lane_swap = ((params->lane_config &
  3986. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3987. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  3988. tx_lane_swap = ((params->lane_config &
  3989. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  3990. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  3991. if (rx_lane_swap != 0x1b) {
  3992. CL22_WR_OVER_CL45(bp, phy,
  3993. MDIO_REG_BANK_XGXS_BLOCK2,
  3994. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  3995. (rx_lane_swap |
  3996. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  3997. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  3998. } else {
  3999. CL22_WR_OVER_CL45(bp, phy,
  4000. MDIO_REG_BANK_XGXS_BLOCK2,
  4001. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4002. }
  4003. if (tx_lane_swap != 0x1b) {
  4004. CL22_WR_OVER_CL45(bp, phy,
  4005. MDIO_REG_BANK_XGXS_BLOCK2,
  4006. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4007. (tx_lane_swap |
  4008. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4009. } else {
  4010. CL22_WR_OVER_CL45(bp, phy,
  4011. MDIO_REG_BANK_XGXS_BLOCK2,
  4012. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4013. }
  4014. }
  4015. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4016. struct link_params *params)
  4017. {
  4018. struct bnx2x *bp = params->bp;
  4019. u16 control2;
  4020. CL22_RD_OVER_CL45(bp, phy,
  4021. MDIO_REG_BANK_SERDES_DIGITAL,
  4022. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4023. &control2);
  4024. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4025. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4026. else
  4027. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4028. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4029. phy->speed_cap_mask, control2);
  4030. CL22_WR_OVER_CL45(bp, phy,
  4031. MDIO_REG_BANK_SERDES_DIGITAL,
  4032. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4033. control2);
  4034. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4035. (phy->speed_cap_mask &
  4036. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4037. DP(NETIF_MSG_LINK, "XGXS\n");
  4038. CL22_WR_OVER_CL45(bp, phy,
  4039. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4040. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4041. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4042. CL22_RD_OVER_CL45(bp, phy,
  4043. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4044. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4045. &control2);
  4046. control2 |=
  4047. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4048. CL22_WR_OVER_CL45(bp, phy,
  4049. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4050. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4051. control2);
  4052. /* Disable parallel detection of HiG */
  4053. CL22_WR_OVER_CL45(bp, phy,
  4054. MDIO_REG_BANK_XGXS_BLOCK2,
  4055. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4056. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4057. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4058. }
  4059. }
  4060. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4061. struct link_params *params,
  4062. struct link_vars *vars,
  4063. u8 enable_cl73)
  4064. {
  4065. struct bnx2x *bp = params->bp;
  4066. u16 reg_val;
  4067. /* CL37 Autoneg */
  4068. CL22_RD_OVER_CL45(bp, phy,
  4069. MDIO_REG_BANK_COMBO_IEEE0,
  4070. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4071. /* CL37 Autoneg Enabled */
  4072. if (vars->line_speed == SPEED_AUTO_NEG)
  4073. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4074. else /* CL37 Autoneg Disabled */
  4075. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4076. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4077. CL22_WR_OVER_CL45(bp, phy,
  4078. MDIO_REG_BANK_COMBO_IEEE0,
  4079. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4080. /* Enable/Disable Autodetection */
  4081. CL22_RD_OVER_CL45(bp, phy,
  4082. MDIO_REG_BANK_SERDES_DIGITAL,
  4083. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4084. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4085. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4086. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4087. if (vars->line_speed == SPEED_AUTO_NEG)
  4088. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4089. else
  4090. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4091. CL22_WR_OVER_CL45(bp, phy,
  4092. MDIO_REG_BANK_SERDES_DIGITAL,
  4093. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4094. /* Enable TetonII and BAM autoneg */
  4095. CL22_RD_OVER_CL45(bp, phy,
  4096. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4097. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4098. &reg_val);
  4099. if (vars->line_speed == SPEED_AUTO_NEG) {
  4100. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4101. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4102. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4103. } else {
  4104. /* TetonII and BAM Autoneg Disabled */
  4105. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4106. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4107. }
  4108. CL22_WR_OVER_CL45(bp, phy,
  4109. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4110. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4111. reg_val);
  4112. if (enable_cl73) {
  4113. /* Enable Cl73 FSM status bits */
  4114. CL22_WR_OVER_CL45(bp, phy,
  4115. MDIO_REG_BANK_CL73_USERB0,
  4116. MDIO_CL73_USERB0_CL73_UCTRL,
  4117. 0xe);
  4118. /* Enable BAM Station Manager*/
  4119. CL22_WR_OVER_CL45(bp, phy,
  4120. MDIO_REG_BANK_CL73_USERB0,
  4121. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4122. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4123. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4124. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4125. /* Advertise CL73 link speeds */
  4126. CL22_RD_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_CL73_IEEEB1,
  4128. MDIO_CL73_IEEEB1_AN_ADV2,
  4129. &reg_val);
  4130. if (phy->speed_cap_mask &
  4131. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4132. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4133. if (phy->speed_cap_mask &
  4134. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4135. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4136. CL22_WR_OVER_CL45(bp, phy,
  4137. MDIO_REG_BANK_CL73_IEEEB1,
  4138. MDIO_CL73_IEEEB1_AN_ADV2,
  4139. reg_val);
  4140. /* CL73 Autoneg Enabled */
  4141. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4142. } else /* CL73 Autoneg Disabled */
  4143. reg_val = 0;
  4144. CL22_WR_OVER_CL45(bp, phy,
  4145. MDIO_REG_BANK_CL73_IEEEB0,
  4146. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4147. }
  4148. /* program SerDes, forced speed */
  4149. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4150. struct link_params *params,
  4151. struct link_vars *vars)
  4152. {
  4153. struct bnx2x *bp = params->bp;
  4154. u16 reg_val;
  4155. /* program duplex, disable autoneg and sgmii*/
  4156. CL22_RD_OVER_CL45(bp, phy,
  4157. MDIO_REG_BANK_COMBO_IEEE0,
  4158. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4159. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4160. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4161. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4162. if (phy->req_duplex == DUPLEX_FULL)
  4163. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4164. CL22_WR_OVER_CL45(bp, phy,
  4165. MDIO_REG_BANK_COMBO_IEEE0,
  4166. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4167. /*
  4168. * program speed
  4169. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4170. */
  4171. CL22_RD_OVER_CL45(bp, phy,
  4172. MDIO_REG_BANK_SERDES_DIGITAL,
  4173. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4174. /* clearing the speed value before setting the right speed */
  4175. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4176. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4177. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4178. if (!((vars->line_speed == SPEED_1000) ||
  4179. (vars->line_speed == SPEED_100) ||
  4180. (vars->line_speed == SPEED_10))) {
  4181. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4182. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4183. if (vars->line_speed == SPEED_10000)
  4184. reg_val |=
  4185. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4186. }
  4187. CL22_WR_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_SERDES_DIGITAL,
  4189. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4190. }
  4191. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4192. struct link_params *params)
  4193. {
  4194. struct bnx2x *bp = params->bp;
  4195. u16 val = 0;
  4196. /* configure the 48 bits for BAM AN */
  4197. /* set extended capabilities */
  4198. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4199. val |= MDIO_OVER_1G_UP1_2_5G;
  4200. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4201. val |= MDIO_OVER_1G_UP1_10G;
  4202. CL22_WR_OVER_CL45(bp, phy,
  4203. MDIO_REG_BANK_OVER_1G,
  4204. MDIO_OVER_1G_UP1, val);
  4205. CL22_WR_OVER_CL45(bp, phy,
  4206. MDIO_REG_BANK_OVER_1G,
  4207. MDIO_OVER_1G_UP3, 0x400);
  4208. }
  4209. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4210. struct link_params *params,
  4211. u16 ieee_fc)
  4212. {
  4213. struct bnx2x *bp = params->bp;
  4214. u16 val;
  4215. /* for AN, we are always publishing full duplex */
  4216. CL22_WR_OVER_CL45(bp, phy,
  4217. MDIO_REG_BANK_COMBO_IEEE0,
  4218. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4219. CL22_RD_OVER_CL45(bp, phy,
  4220. MDIO_REG_BANK_CL73_IEEEB1,
  4221. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4222. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4223. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4224. CL22_WR_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_CL73_IEEEB1,
  4226. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4227. }
  4228. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4229. struct link_params *params,
  4230. u8 enable_cl73)
  4231. {
  4232. struct bnx2x *bp = params->bp;
  4233. u16 mii_control;
  4234. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4235. /* Enable and restart BAM/CL37 aneg */
  4236. if (enable_cl73) {
  4237. CL22_RD_OVER_CL45(bp, phy,
  4238. MDIO_REG_BANK_CL73_IEEEB0,
  4239. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4240. &mii_control);
  4241. CL22_WR_OVER_CL45(bp, phy,
  4242. MDIO_REG_BANK_CL73_IEEEB0,
  4243. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4244. (mii_control |
  4245. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4246. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4247. } else {
  4248. CL22_RD_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_COMBO_IEEE0,
  4250. MDIO_COMBO_IEEE0_MII_CONTROL,
  4251. &mii_control);
  4252. DP(NETIF_MSG_LINK,
  4253. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4254. mii_control);
  4255. CL22_WR_OVER_CL45(bp, phy,
  4256. MDIO_REG_BANK_COMBO_IEEE0,
  4257. MDIO_COMBO_IEEE0_MII_CONTROL,
  4258. (mii_control |
  4259. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4260. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4261. }
  4262. }
  4263. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4264. struct link_params *params,
  4265. struct link_vars *vars)
  4266. {
  4267. struct bnx2x *bp = params->bp;
  4268. u16 control1;
  4269. /* in SGMII mode, the unicore is always slave */
  4270. CL22_RD_OVER_CL45(bp, phy,
  4271. MDIO_REG_BANK_SERDES_DIGITAL,
  4272. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4273. &control1);
  4274. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4275. /* set sgmii mode (and not fiber) */
  4276. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4277. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4278. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4279. CL22_WR_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_SERDES_DIGITAL,
  4281. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4282. control1);
  4283. /* if forced speed */
  4284. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4285. /* set speed, disable autoneg */
  4286. u16 mii_control;
  4287. CL22_RD_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_COMBO_IEEE0,
  4289. MDIO_COMBO_IEEE0_MII_CONTROL,
  4290. &mii_control);
  4291. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4292. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4293. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4294. switch (vars->line_speed) {
  4295. case SPEED_100:
  4296. mii_control |=
  4297. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4298. break;
  4299. case SPEED_1000:
  4300. mii_control |=
  4301. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4302. break;
  4303. case SPEED_10:
  4304. /* there is nothing to set for 10M */
  4305. break;
  4306. default:
  4307. /* invalid speed for SGMII */
  4308. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4309. vars->line_speed);
  4310. break;
  4311. }
  4312. /* setting the full duplex */
  4313. if (phy->req_duplex == DUPLEX_FULL)
  4314. mii_control |=
  4315. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4316. CL22_WR_OVER_CL45(bp, phy,
  4317. MDIO_REG_BANK_COMBO_IEEE0,
  4318. MDIO_COMBO_IEEE0_MII_CONTROL,
  4319. mii_control);
  4320. } else { /* AN mode */
  4321. /* enable and restart AN */
  4322. bnx2x_restart_autoneg(phy, params, 0);
  4323. }
  4324. }
  4325. /*
  4326. * link management
  4327. */
  4328. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4329. struct link_params *params)
  4330. {
  4331. struct bnx2x *bp = params->bp;
  4332. u16 pd_10g, status2_1000x;
  4333. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4334. return 0;
  4335. CL22_RD_OVER_CL45(bp, phy,
  4336. MDIO_REG_BANK_SERDES_DIGITAL,
  4337. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4338. &status2_1000x);
  4339. CL22_RD_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_SERDES_DIGITAL,
  4341. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4342. &status2_1000x);
  4343. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4344. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4345. params->port);
  4346. return 1;
  4347. }
  4348. CL22_RD_OVER_CL45(bp, phy,
  4349. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4350. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4351. &pd_10g);
  4352. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4353. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4354. params->port);
  4355. return 1;
  4356. }
  4357. return 0;
  4358. }
  4359. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4360. struct link_params *params,
  4361. struct link_vars *vars,
  4362. u32 gp_status)
  4363. {
  4364. struct bnx2x *bp = params->bp;
  4365. u16 ld_pause; /* local driver */
  4366. u16 lp_pause; /* link partner */
  4367. u16 pause_result;
  4368. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4369. /* resolve from gp_status in case of AN complete and not sgmii */
  4370. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4371. vars->flow_ctrl = phy->req_flow_ctrl;
  4372. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4373. vars->flow_ctrl = params->req_fc_auto_adv;
  4374. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4375. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4376. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4377. vars->flow_ctrl = params->req_fc_auto_adv;
  4378. return;
  4379. }
  4380. if ((gp_status &
  4381. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4382. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4383. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4384. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4385. CL22_RD_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_CL73_IEEEB1,
  4387. MDIO_CL73_IEEEB1_AN_ADV1,
  4388. &ld_pause);
  4389. CL22_RD_OVER_CL45(bp, phy,
  4390. MDIO_REG_BANK_CL73_IEEEB1,
  4391. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4392. &lp_pause);
  4393. pause_result = (ld_pause &
  4394. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4395. >> 8;
  4396. pause_result |= (lp_pause &
  4397. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4398. >> 10;
  4399. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4400. pause_result);
  4401. } else {
  4402. CL22_RD_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_COMBO_IEEE0,
  4404. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4405. &ld_pause);
  4406. CL22_RD_OVER_CL45(bp, phy,
  4407. MDIO_REG_BANK_COMBO_IEEE0,
  4408. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4409. &lp_pause);
  4410. pause_result = (ld_pause &
  4411. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4412. pause_result |= (lp_pause &
  4413. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4414. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4415. pause_result);
  4416. }
  4417. bnx2x_pause_resolve(vars, pause_result);
  4418. }
  4419. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4420. }
  4421. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4422. struct link_params *params)
  4423. {
  4424. struct bnx2x *bp = params->bp;
  4425. u16 rx_status, ustat_val, cl37_fsm_received;
  4426. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4427. /* Step 1: Make sure signal is detected */
  4428. CL22_RD_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_RX0,
  4430. MDIO_RX0_RX_STATUS,
  4431. &rx_status);
  4432. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4433. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4434. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4435. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4436. CL22_WR_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_CL73_IEEEB0,
  4438. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4439. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4440. return;
  4441. }
  4442. /* Step 2: Check CL73 state machine */
  4443. CL22_RD_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_CL73_USERB0,
  4445. MDIO_CL73_USERB0_CL73_USTAT1,
  4446. &ustat_val);
  4447. if ((ustat_val &
  4448. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4449. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4450. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4451. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4452. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4453. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4454. return;
  4455. }
  4456. /*
  4457. * Step 3: Check CL37 Message Pages received to indicate LP
  4458. * supports only CL37
  4459. */
  4460. CL22_RD_OVER_CL45(bp, phy,
  4461. MDIO_REG_BANK_REMOTE_PHY,
  4462. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4463. &cl37_fsm_received);
  4464. if ((cl37_fsm_received &
  4465. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4466. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4467. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4468. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4469. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4470. "misc_rx_status(0x8330) = 0x%x\n",
  4471. cl37_fsm_received);
  4472. return;
  4473. }
  4474. /*
  4475. * The combined cl37/cl73 fsm state information indicating that
  4476. * we are connected to a device which does not support cl73, but
  4477. * does support cl37 BAM. In this case we disable cl73 and
  4478. * restart cl37 auto-neg
  4479. */
  4480. /* Disable CL73 */
  4481. CL22_WR_OVER_CL45(bp, phy,
  4482. MDIO_REG_BANK_CL73_IEEEB0,
  4483. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4484. 0);
  4485. /* Restart CL37 autoneg */
  4486. bnx2x_restart_autoneg(phy, params, 0);
  4487. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4488. }
  4489. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4490. struct link_params *params,
  4491. struct link_vars *vars,
  4492. u32 gp_status)
  4493. {
  4494. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4495. vars->link_status |=
  4496. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4497. if (bnx2x_direct_parallel_detect_used(phy, params))
  4498. vars->link_status |=
  4499. LINK_STATUS_PARALLEL_DETECTION_USED;
  4500. }
  4501. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4502. struct link_params *params,
  4503. struct link_vars *vars,
  4504. u16 is_link_up,
  4505. u16 speed_mask,
  4506. u16 is_duplex)
  4507. {
  4508. struct bnx2x *bp = params->bp;
  4509. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4510. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4511. if (is_link_up) {
  4512. DP(NETIF_MSG_LINK, "phy link up\n");
  4513. vars->phy_link_up = 1;
  4514. vars->link_status |= LINK_STATUS_LINK_UP;
  4515. switch (speed_mask) {
  4516. case GP_STATUS_10M:
  4517. vars->line_speed = SPEED_10;
  4518. if (vars->duplex == DUPLEX_FULL)
  4519. vars->link_status |= LINK_10TFD;
  4520. else
  4521. vars->link_status |= LINK_10THD;
  4522. break;
  4523. case GP_STATUS_100M:
  4524. vars->line_speed = SPEED_100;
  4525. if (vars->duplex == DUPLEX_FULL)
  4526. vars->link_status |= LINK_100TXFD;
  4527. else
  4528. vars->link_status |= LINK_100TXHD;
  4529. break;
  4530. case GP_STATUS_1G:
  4531. case GP_STATUS_1G_KX:
  4532. vars->line_speed = SPEED_1000;
  4533. if (vars->duplex == DUPLEX_FULL)
  4534. vars->link_status |= LINK_1000TFD;
  4535. else
  4536. vars->link_status |= LINK_1000THD;
  4537. break;
  4538. case GP_STATUS_2_5G:
  4539. vars->line_speed = SPEED_2500;
  4540. if (vars->duplex == DUPLEX_FULL)
  4541. vars->link_status |= LINK_2500TFD;
  4542. else
  4543. vars->link_status |= LINK_2500THD;
  4544. break;
  4545. case GP_STATUS_5G:
  4546. case GP_STATUS_6G:
  4547. DP(NETIF_MSG_LINK,
  4548. "link speed unsupported gp_status 0x%x\n",
  4549. speed_mask);
  4550. return -EINVAL;
  4551. case GP_STATUS_10G_KX4:
  4552. case GP_STATUS_10G_HIG:
  4553. case GP_STATUS_10G_CX4:
  4554. case GP_STATUS_10G_KR:
  4555. case GP_STATUS_10G_SFI:
  4556. case GP_STATUS_10G_XFI:
  4557. vars->line_speed = SPEED_10000;
  4558. vars->link_status |= LINK_10GTFD;
  4559. break;
  4560. case GP_STATUS_20G_DXGXS:
  4561. vars->line_speed = SPEED_20000;
  4562. vars->link_status |= LINK_20GTFD;
  4563. break;
  4564. default:
  4565. DP(NETIF_MSG_LINK,
  4566. "link speed unsupported gp_status 0x%x\n",
  4567. speed_mask);
  4568. return -EINVAL;
  4569. }
  4570. } else { /* link_down */
  4571. DP(NETIF_MSG_LINK, "phy link down\n");
  4572. vars->phy_link_up = 0;
  4573. vars->duplex = DUPLEX_FULL;
  4574. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4575. vars->mac_type = MAC_TYPE_NONE;
  4576. }
  4577. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4578. vars->phy_link_up, vars->line_speed);
  4579. return 0;
  4580. }
  4581. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4582. struct link_params *params,
  4583. struct link_vars *vars)
  4584. {
  4585. struct bnx2x *bp = params->bp;
  4586. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4587. int rc = 0;
  4588. /* Read gp_status */
  4589. CL22_RD_OVER_CL45(bp, phy,
  4590. MDIO_REG_BANK_GP_STATUS,
  4591. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4592. &gp_status);
  4593. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4594. duplex = DUPLEX_FULL;
  4595. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4596. link_up = 1;
  4597. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4598. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4599. gp_status, link_up, speed_mask);
  4600. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4601. duplex);
  4602. if (rc == -EINVAL)
  4603. return rc;
  4604. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4605. if (SINGLE_MEDIA_DIRECT(params)) {
  4606. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4607. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4608. bnx2x_xgxs_an_resolve(phy, params, vars,
  4609. gp_status);
  4610. }
  4611. } else { /* link_down */
  4612. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4613. SINGLE_MEDIA_DIRECT(params)) {
  4614. /* Check signal is detected */
  4615. bnx2x_check_fallback_to_cl37(phy, params);
  4616. }
  4617. }
  4618. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4619. vars->duplex, vars->flow_ctrl, vars->link_status);
  4620. return rc;
  4621. }
  4622. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4623. struct link_params *params,
  4624. struct link_vars *vars)
  4625. {
  4626. struct bnx2x *bp = params->bp;
  4627. u8 lane;
  4628. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4629. int rc = 0;
  4630. lane = bnx2x_get_warpcore_lane(phy, params);
  4631. /* Read gp_status */
  4632. if (phy->req_line_speed > SPEED_10000) {
  4633. u16 temp_link_up;
  4634. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4635. 1, &temp_link_up);
  4636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4637. 1, &link_up);
  4638. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4639. temp_link_up, link_up);
  4640. link_up &= (1<<2);
  4641. if (link_up)
  4642. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4643. } else {
  4644. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4645. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4646. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4647. /* Check for either KR or generic link up. */
  4648. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4649. ((gp_status1 >> 12) & 0xf);
  4650. link_up = gp_status1 & (1 << lane);
  4651. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4652. u16 pd, gp_status4;
  4653. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4654. /* Check Autoneg complete */
  4655. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4656. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4657. &gp_status4);
  4658. if (gp_status4 & ((1<<12)<<lane))
  4659. vars->link_status |=
  4660. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4661. /* Check parallel detect used */
  4662. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4663. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4664. &pd);
  4665. if (pd & (1<<15))
  4666. vars->link_status |=
  4667. LINK_STATUS_PARALLEL_DETECTION_USED;
  4668. }
  4669. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4670. }
  4671. }
  4672. if (lane < 2) {
  4673. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4674. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4675. } else {
  4676. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4677. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4678. }
  4679. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4680. if ((lane & 1) == 0)
  4681. gp_speed <<= 8;
  4682. gp_speed &= 0x3f00;
  4683. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4684. duplex);
  4685. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4686. vars->duplex, vars->flow_ctrl, vars->link_status);
  4687. return rc;
  4688. }
  4689. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4690. {
  4691. struct bnx2x *bp = params->bp;
  4692. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4693. u16 lp_up2;
  4694. u16 tx_driver;
  4695. u16 bank;
  4696. /* read precomp */
  4697. CL22_RD_OVER_CL45(bp, phy,
  4698. MDIO_REG_BANK_OVER_1G,
  4699. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4700. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4701. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4702. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4703. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4704. if (lp_up2 == 0)
  4705. return;
  4706. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4707. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4708. CL22_RD_OVER_CL45(bp, phy,
  4709. bank,
  4710. MDIO_TX0_TX_DRIVER, &tx_driver);
  4711. /* replace tx_driver bits [15:12] */
  4712. if (lp_up2 !=
  4713. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4714. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4715. tx_driver |= lp_up2;
  4716. CL22_WR_OVER_CL45(bp, phy,
  4717. bank,
  4718. MDIO_TX0_TX_DRIVER, tx_driver);
  4719. }
  4720. }
  4721. }
  4722. static int bnx2x_emac_program(struct link_params *params,
  4723. struct link_vars *vars)
  4724. {
  4725. struct bnx2x *bp = params->bp;
  4726. u8 port = params->port;
  4727. u16 mode = 0;
  4728. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4729. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4730. EMAC_REG_EMAC_MODE,
  4731. (EMAC_MODE_25G_MODE |
  4732. EMAC_MODE_PORT_MII_10M |
  4733. EMAC_MODE_HALF_DUPLEX));
  4734. switch (vars->line_speed) {
  4735. case SPEED_10:
  4736. mode |= EMAC_MODE_PORT_MII_10M;
  4737. break;
  4738. case SPEED_100:
  4739. mode |= EMAC_MODE_PORT_MII;
  4740. break;
  4741. case SPEED_1000:
  4742. mode |= EMAC_MODE_PORT_GMII;
  4743. break;
  4744. case SPEED_2500:
  4745. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4746. break;
  4747. default:
  4748. /* 10G not valid for EMAC */
  4749. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4750. vars->line_speed);
  4751. return -EINVAL;
  4752. }
  4753. if (vars->duplex == DUPLEX_HALF)
  4754. mode |= EMAC_MODE_HALF_DUPLEX;
  4755. bnx2x_bits_en(bp,
  4756. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4757. mode);
  4758. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4759. return 0;
  4760. }
  4761. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4762. struct link_params *params)
  4763. {
  4764. u16 bank, i = 0;
  4765. struct bnx2x *bp = params->bp;
  4766. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4767. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4768. CL22_WR_OVER_CL45(bp, phy,
  4769. bank,
  4770. MDIO_RX0_RX_EQ_BOOST,
  4771. phy->rx_preemphasis[i]);
  4772. }
  4773. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4774. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4775. CL22_WR_OVER_CL45(bp, phy,
  4776. bank,
  4777. MDIO_TX0_TX_DRIVER,
  4778. phy->tx_preemphasis[i]);
  4779. }
  4780. }
  4781. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4782. struct link_params *params,
  4783. struct link_vars *vars)
  4784. {
  4785. struct bnx2x *bp = params->bp;
  4786. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4787. (params->loopback_mode == LOOPBACK_XGXS));
  4788. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4789. if (SINGLE_MEDIA_DIRECT(params) &&
  4790. (params->feature_config_flags &
  4791. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4792. bnx2x_set_preemphasis(phy, params);
  4793. /* forced speed requested? */
  4794. if (vars->line_speed != SPEED_AUTO_NEG ||
  4795. (SINGLE_MEDIA_DIRECT(params) &&
  4796. params->loopback_mode == LOOPBACK_EXT)) {
  4797. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4798. /* disable autoneg */
  4799. bnx2x_set_autoneg(phy, params, vars, 0);
  4800. /* program speed and duplex */
  4801. bnx2x_program_serdes(phy, params, vars);
  4802. } else { /* AN_mode */
  4803. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4804. /* AN enabled */
  4805. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4806. /* program duplex & pause advertisement (for aneg) */
  4807. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4808. vars->ieee_fc);
  4809. /* enable autoneg */
  4810. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4811. /* enable and restart AN */
  4812. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4813. }
  4814. } else { /* SGMII mode */
  4815. DP(NETIF_MSG_LINK, "SGMII\n");
  4816. bnx2x_initialize_sgmii_process(phy, params, vars);
  4817. }
  4818. }
  4819. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4820. struct link_params *params,
  4821. struct link_vars *vars)
  4822. {
  4823. int rc;
  4824. vars->phy_flags |= PHY_XGXS_FLAG;
  4825. if ((phy->req_line_speed &&
  4826. ((phy->req_line_speed == SPEED_100) ||
  4827. (phy->req_line_speed == SPEED_10))) ||
  4828. (!phy->req_line_speed &&
  4829. (phy->speed_cap_mask >=
  4830. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4831. (phy->speed_cap_mask <
  4832. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4833. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4834. vars->phy_flags |= PHY_SGMII_FLAG;
  4835. else
  4836. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4837. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4838. bnx2x_set_aer_mmd(params, phy);
  4839. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4840. bnx2x_set_master_ln(params, phy);
  4841. rc = bnx2x_reset_unicore(params, phy, 0);
  4842. /* reset the SerDes and wait for reset bit return low */
  4843. if (rc != 0)
  4844. return rc;
  4845. bnx2x_set_aer_mmd(params, phy);
  4846. /* setting the masterLn_def again after the reset */
  4847. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4848. bnx2x_set_master_ln(params, phy);
  4849. bnx2x_set_swap_lanes(params, phy);
  4850. }
  4851. return rc;
  4852. }
  4853. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4854. struct bnx2x_phy *phy,
  4855. struct link_params *params)
  4856. {
  4857. u16 cnt, ctrl;
  4858. /* Wait for soft reset to get cleared up to 1 sec */
  4859. for (cnt = 0; cnt < 1000; cnt++) {
  4860. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4861. bnx2x_cl22_read(bp, phy,
  4862. MDIO_PMA_REG_CTRL, &ctrl);
  4863. else
  4864. bnx2x_cl45_read(bp, phy,
  4865. MDIO_PMA_DEVAD,
  4866. MDIO_PMA_REG_CTRL, &ctrl);
  4867. if (!(ctrl & (1<<15)))
  4868. break;
  4869. msleep(1);
  4870. }
  4871. if (cnt == 1000)
  4872. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4873. " Port %d\n",
  4874. params->port);
  4875. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4876. return cnt;
  4877. }
  4878. static void bnx2x_link_int_enable(struct link_params *params)
  4879. {
  4880. u8 port = params->port;
  4881. u32 mask;
  4882. struct bnx2x *bp = params->bp;
  4883. /* Setting the status to report on link up for either XGXS or SerDes */
  4884. if (CHIP_IS_E3(bp)) {
  4885. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4886. if (!(SINGLE_MEDIA_DIRECT(params)))
  4887. mask |= NIG_MASK_MI_INT;
  4888. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4889. mask = (NIG_MASK_XGXS0_LINK10G |
  4890. NIG_MASK_XGXS0_LINK_STATUS);
  4891. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4892. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4893. params->phy[INT_PHY].type !=
  4894. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4895. mask |= NIG_MASK_MI_INT;
  4896. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4897. }
  4898. } else { /* SerDes */
  4899. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4900. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4901. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4902. params->phy[INT_PHY].type !=
  4903. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4904. mask |= NIG_MASK_MI_INT;
  4905. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4906. }
  4907. }
  4908. bnx2x_bits_en(bp,
  4909. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4910. mask);
  4911. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4912. (params->switch_cfg == SWITCH_CFG_10G),
  4913. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4914. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4915. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4916. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4917. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4918. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4919. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4920. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4921. }
  4922. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4923. u8 exp_mi_int)
  4924. {
  4925. u32 latch_status = 0;
  4926. /*
  4927. * Disable the MI INT ( external phy int ) by writing 1 to the
  4928. * status register. Link down indication is high-active-signal,
  4929. * so in this case we need to write the status to clear the XOR
  4930. */
  4931. /* Read Latched signals */
  4932. latch_status = REG_RD(bp,
  4933. NIG_REG_LATCH_STATUS_0 + port*8);
  4934. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4935. /* Handle only those with latched-signal=up.*/
  4936. if (exp_mi_int)
  4937. bnx2x_bits_en(bp,
  4938. NIG_REG_STATUS_INTERRUPT_PORT0
  4939. + port*4,
  4940. NIG_STATUS_EMAC0_MI_INT);
  4941. else
  4942. bnx2x_bits_dis(bp,
  4943. NIG_REG_STATUS_INTERRUPT_PORT0
  4944. + port*4,
  4945. NIG_STATUS_EMAC0_MI_INT);
  4946. if (latch_status & 1) {
  4947. /* For all latched-signal=up : Re-Arm Latch signals */
  4948. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4949. (latch_status & 0xfffe) | (latch_status & 1));
  4950. }
  4951. /* For all latched-signal=up,Write original_signal to status */
  4952. }
  4953. static void bnx2x_link_int_ack(struct link_params *params,
  4954. struct link_vars *vars, u8 is_10g_plus)
  4955. {
  4956. struct bnx2x *bp = params->bp;
  4957. u8 port = params->port;
  4958. u32 mask;
  4959. /*
  4960. * First reset all status we assume only one line will be
  4961. * change at a time
  4962. */
  4963. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4964. (NIG_STATUS_XGXS0_LINK10G |
  4965. NIG_STATUS_XGXS0_LINK_STATUS |
  4966. NIG_STATUS_SERDES0_LINK_STATUS));
  4967. if (vars->phy_link_up) {
  4968. if (USES_WARPCORE(bp))
  4969. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4970. else {
  4971. if (is_10g_plus)
  4972. mask = NIG_STATUS_XGXS0_LINK10G;
  4973. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4974. /*
  4975. * Disable the link interrupt by writing 1 to
  4976. * the relevant lane in the status register
  4977. */
  4978. u32 ser_lane =
  4979. ((params->lane_config &
  4980. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4981. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4982. mask = ((1 << ser_lane) <<
  4983. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4984. } else
  4985. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4986. }
  4987. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  4988. mask);
  4989. bnx2x_bits_en(bp,
  4990. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4991. mask);
  4992. }
  4993. }
  4994. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  4995. {
  4996. u8 *str_ptr = str;
  4997. u32 mask = 0xf0000000;
  4998. u8 shift = 8*4;
  4999. u8 digit;
  5000. u8 remove_leading_zeros = 1;
  5001. if (*len < 10) {
  5002. /* Need more than 10chars for this format */
  5003. *str_ptr = '\0';
  5004. (*len)--;
  5005. return -EINVAL;
  5006. }
  5007. while (shift > 0) {
  5008. shift -= 4;
  5009. digit = ((num & mask) >> shift);
  5010. if (digit == 0 && remove_leading_zeros) {
  5011. mask = mask >> 4;
  5012. continue;
  5013. } else if (digit < 0xa)
  5014. *str_ptr = digit + '0';
  5015. else
  5016. *str_ptr = digit - 0xa + 'a';
  5017. remove_leading_zeros = 0;
  5018. str_ptr++;
  5019. (*len)--;
  5020. mask = mask >> 4;
  5021. if (shift == 4*4) {
  5022. *str_ptr = '.';
  5023. str_ptr++;
  5024. (*len)--;
  5025. remove_leading_zeros = 1;
  5026. }
  5027. }
  5028. return 0;
  5029. }
  5030. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5031. {
  5032. str[0] = '\0';
  5033. (*len)--;
  5034. return 0;
  5035. }
  5036. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5037. u8 *version, u16 len)
  5038. {
  5039. struct bnx2x *bp;
  5040. u32 spirom_ver = 0;
  5041. int status = 0;
  5042. u8 *ver_p = version;
  5043. u16 remain_len = len;
  5044. if (version == NULL || params == NULL)
  5045. return -EINVAL;
  5046. bp = params->bp;
  5047. /* Extract first external phy*/
  5048. version[0] = '\0';
  5049. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5050. if (params->phy[EXT_PHY1].format_fw_ver) {
  5051. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5052. ver_p,
  5053. &remain_len);
  5054. ver_p += (len - remain_len);
  5055. }
  5056. if ((params->num_phys == MAX_PHYS) &&
  5057. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5058. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5059. if (params->phy[EXT_PHY2].format_fw_ver) {
  5060. *ver_p = '/';
  5061. ver_p++;
  5062. remain_len--;
  5063. status |= params->phy[EXT_PHY2].format_fw_ver(
  5064. spirom_ver,
  5065. ver_p,
  5066. &remain_len);
  5067. ver_p = version + (len - remain_len);
  5068. }
  5069. }
  5070. *ver_p = '\0';
  5071. return status;
  5072. }
  5073. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5074. struct link_params *params)
  5075. {
  5076. u8 port = params->port;
  5077. struct bnx2x *bp = params->bp;
  5078. if (phy->req_line_speed != SPEED_1000) {
  5079. u32 md_devad = 0;
  5080. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5081. if (!CHIP_IS_E3(bp)) {
  5082. /* change the uni_phy_addr in the nig */
  5083. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5084. port*0x18));
  5085. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5086. 0x5);
  5087. }
  5088. bnx2x_cl45_write(bp, phy,
  5089. 5,
  5090. (MDIO_REG_BANK_AER_BLOCK +
  5091. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5092. 0x2800);
  5093. bnx2x_cl45_write(bp, phy,
  5094. 5,
  5095. (MDIO_REG_BANK_CL73_IEEEB0 +
  5096. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5097. 0x6041);
  5098. msleep(200);
  5099. /* set aer mmd back */
  5100. bnx2x_set_aer_mmd(params, phy);
  5101. if (!CHIP_IS_E3(bp)) {
  5102. /* and md_devad */
  5103. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5104. md_devad);
  5105. }
  5106. } else {
  5107. u16 mii_ctrl;
  5108. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5109. bnx2x_cl45_read(bp, phy, 5,
  5110. (MDIO_REG_BANK_COMBO_IEEE0 +
  5111. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5112. &mii_ctrl);
  5113. bnx2x_cl45_write(bp, phy, 5,
  5114. (MDIO_REG_BANK_COMBO_IEEE0 +
  5115. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5116. mii_ctrl |
  5117. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5118. }
  5119. }
  5120. int bnx2x_set_led(struct link_params *params,
  5121. struct link_vars *vars, u8 mode, u32 speed)
  5122. {
  5123. u8 port = params->port;
  5124. u16 hw_led_mode = params->hw_led_mode;
  5125. int rc = 0;
  5126. u8 phy_idx;
  5127. u32 tmp;
  5128. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5129. struct bnx2x *bp = params->bp;
  5130. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5131. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5132. speed, hw_led_mode);
  5133. /* In case */
  5134. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5135. if (params->phy[phy_idx].set_link_led) {
  5136. params->phy[phy_idx].set_link_led(
  5137. &params->phy[phy_idx], params, mode);
  5138. }
  5139. }
  5140. switch (mode) {
  5141. case LED_MODE_FRONT_PANEL_OFF:
  5142. case LED_MODE_OFF:
  5143. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5144. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5145. SHARED_HW_CFG_LED_MAC1);
  5146. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5147. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5148. break;
  5149. case LED_MODE_OPER:
  5150. /*
  5151. * For all other phys, OPER mode is same as ON, so in case
  5152. * link is down, do nothing
  5153. */
  5154. if (!vars->link_up)
  5155. break;
  5156. case LED_MODE_ON:
  5157. if (((params->phy[EXT_PHY1].type ==
  5158. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5159. (params->phy[EXT_PHY1].type ==
  5160. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5161. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5162. /*
  5163. * This is a work-around for E2+8727 Configurations
  5164. */
  5165. if (mode == LED_MODE_ON ||
  5166. speed == SPEED_10000){
  5167. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5168. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5169. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5170. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5171. (tmp | EMAC_LED_OVERRIDE));
  5172. return rc;
  5173. }
  5174. } else if (SINGLE_MEDIA_DIRECT(params) &&
  5175. (CHIP_IS_E1x(bp) ||
  5176. CHIP_IS_E2(bp))) {
  5177. /*
  5178. * This is a work-around for HW issue found when link
  5179. * is up in CL73
  5180. */
  5181. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5182. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5183. } else {
  5184. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5185. }
  5186. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5187. /* Set blinking rate to ~15.9Hz */
  5188. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5189. LED_BLINK_RATE_VAL);
  5190. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5191. port*4, 1);
  5192. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5193. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5194. if (CHIP_IS_E1(bp) &&
  5195. ((speed == SPEED_2500) ||
  5196. (speed == SPEED_1000) ||
  5197. (speed == SPEED_100) ||
  5198. (speed == SPEED_10))) {
  5199. /*
  5200. * On Everest 1 Ax chip versions for speeds less than
  5201. * 10G LED scheme is different
  5202. */
  5203. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5204. + port*4, 1);
  5205. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5206. port*4, 0);
  5207. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5208. port*4, 1);
  5209. }
  5210. break;
  5211. default:
  5212. rc = -EINVAL;
  5213. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5214. mode);
  5215. break;
  5216. }
  5217. return rc;
  5218. }
  5219. /*
  5220. * This function comes to reflect the actual link state read DIRECTLY from the
  5221. * HW
  5222. */
  5223. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5224. u8 is_serdes)
  5225. {
  5226. struct bnx2x *bp = params->bp;
  5227. u16 gp_status = 0, phy_index = 0;
  5228. u8 ext_phy_link_up = 0, serdes_phy_type;
  5229. struct link_vars temp_vars;
  5230. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5231. if (CHIP_IS_E3(bp)) {
  5232. u16 link_up;
  5233. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5234. > SPEED_10000) {
  5235. /* Check 20G link */
  5236. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5237. 1, &link_up);
  5238. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5239. 1, &link_up);
  5240. link_up &= (1<<2);
  5241. } else {
  5242. /* Check 10G link and below*/
  5243. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5244. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5245. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5246. &gp_status);
  5247. gp_status = ((gp_status >> 8) & 0xf) |
  5248. ((gp_status >> 12) & 0xf);
  5249. link_up = gp_status & (1 << lane);
  5250. }
  5251. if (!link_up)
  5252. return -ESRCH;
  5253. } else {
  5254. CL22_RD_OVER_CL45(bp, int_phy,
  5255. MDIO_REG_BANK_GP_STATUS,
  5256. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5257. &gp_status);
  5258. /* link is up only if both local phy and external phy are up */
  5259. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5260. return -ESRCH;
  5261. }
  5262. /* In XGXS loopback mode, do not check external PHY */
  5263. if (params->loopback_mode == LOOPBACK_XGXS)
  5264. return 0;
  5265. switch (params->num_phys) {
  5266. case 1:
  5267. /* No external PHY */
  5268. return 0;
  5269. case 2:
  5270. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5271. &params->phy[EXT_PHY1],
  5272. params, &temp_vars);
  5273. break;
  5274. case 3: /* Dual Media */
  5275. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5276. phy_index++) {
  5277. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5278. ETH_PHY_SFP_FIBER) ||
  5279. (params->phy[phy_index].media_type ==
  5280. ETH_PHY_XFP_FIBER) ||
  5281. (params->phy[phy_index].media_type ==
  5282. ETH_PHY_DA_TWINAX));
  5283. if (is_serdes != serdes_phy_type)
  5284. continue;
  5285. if (params->phy[phy_index].read_status) {
  5286. ext_phy_link_up |=
  5287. params->phy[phy_index].read_status(
  5288. &params->phy[phy_index],
  5289. params, &temp_vars);
  5290. }
  5291. }
  5292. break;
  5293. }
  5294. if (ext_phy_link_up)
  5295. return 0;
  5296. return -ESRCH;
  5297. }
  5298. static int bnx2x_link_initialize(struct link_params *params,
  5299. struct link_vars *vars)
  5300. {
  5301. int rc = 0;
  5302. u8 phy_index, non_ext_phy;
  5303. struct bnx2x *bp = params->bp;
  5304. /*
  5305. * In case of external phy existence, the line speed would be the
  5306. * line speed linked up by the external phy. In case it is direct
  5307. * only, then the line_speed during initialization will be
  5308. * equal to the req_line_speed
  5309. */
  5310. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5311. /*
  5312. * Initialize the internal phy in case this is a direct board
  5313. * (no external phys), or this board has external phy which requires
  5314. * to first.
  5315. */
  5316. if (!USES_WARPCORE(bp))
  5317. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5318. /* init ext phy and enable link state int */
  5319. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5320. (params->loopback_mode == LOOPBACK_XGXS));
  5321. if (non_ext_phy ||
  5322. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5323. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5324. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5325. if (vars->line_speed == SPEED_AUTO_NEG &&
  5326. (CHIP_IS_E1x(bp) ||
  5327. CHIP_IS_E2(bp)))
  5328. bnx2x_set_parallel_detection(phy, params);
  5329. if (params->phy[INT_PHY].config_init)
  5330. params->phy[INT_PHY].config_init(phy,
  5331. params,
  5332. vars);
  5333. }
  5334. /* Init external phy*/
  5335. if (non_ext_phy) {
  5336. if (params->phy[INT_PHY].supported &
  5337. SUPPORTED_FIBRE)
  5338. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5339. } else {
  5340. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5341. phy_index++) {
  5342. /*
  5343. * No need to initialize second phy in case of first
  5344. * phy only selection. In case of second phy, we do
  5345. * need to initialize the first phy, since they are
  5346. * connected.
  5347. */
  5348. if (params->phy[phy_index].supported &
  5349. SUPPORTED_FIBRE)
  5350. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5351. if (phy_index == EXT_PHY2 &&
  5352. (bnx2x_phy_selection(params) ==
  5353. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5354. DP(NETIF_MSG_LINK, "Not initializing"
  5355. " second phy\n");
  5356. continue;
  5357. }
  5358. params->phy[phy_index].config_init(
  5359. &params->phy[phy_index],
  5360. params, vars);
  5361. }
  5362. }
  5363. /* Reset the interrupt indication after phy was initialized */
  5364. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5365. params->port*4,
  5366. (NIG_STATUS_XGXS0_LINK10G |
  5367. NIG_STATUS_XGXS0_LINK_STATUS |
  5368. NIG_STATUS_SERDES0_LINK_STATUS |
  5369. NIG_MASK_MI_INT));
  5370. bnx2x_update_mng(params, vars->link_status);
  5371. return rc;
  5372. }
  5373. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5374. struct link_params *params)
  5375. {
  5376. /* reset the SerDes/XGXS */
  5377. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5378. (0x1ff << (params->port*16)));
  5379. }
  5380. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5381. struct link_params *params)
  5382. {
  5383. struct bnx2x *bp = params->bp;
  5384. u8 gpio_port;
  5385. /* HW reset */
  5386. if (CHIP_IS_E2(bp))
  5387. gpio_port = BP_PATH(bp);
  5388. else
  5389. gpio_port = params->port;
  5390. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5391. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5392. gpio_port);
  5393. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5394. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5395. gpio_port);
  5396. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5397. }
  5398. static int bnx2x_update_link_down(struct link_params *params,
  5399. struct link_vars *vars)
  5400. {
  5401. struct bnx2x *bp = params->bp;
  5402. u8 port = params->port;
  5403. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5404. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5405. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5406. /* indicate no mac active */
  5407. vars->mac_type = MAC_TYPE_NONE;
  5408. /* update shared memory */
  5409. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5410. LINK_STATUS_LINK_UP |
  5411. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5412. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5413. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5414. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5415. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5416. vars->line_speed = 0;
  5417. bnx2x_update_mng(params, vars->link_status);
  5418. /* activate nig drain */
  5419. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5420. /* disable emac */
  5421. if (!CHIP_IS_E3(bp))
  5422. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5423. msleep(10);
  5424. /* reset BigMac/Xmac */
  5425. if (CHIP_IS_E1x(bp) ||
  5426. CHIP_IS_E2(bp)) {
  5427. bnx2x_bmac_rx_disable(bp, params->port);
  5428. REG_WR(bp, GRCBASE_MISC +
  5429. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5430. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5431. }
  5432. if (CHIP_IS_E3(bp))
  5433. bnx2x_xmac_disable(params);
  5434. return 0;
  5435. }
  5436. static int bnx2x_update_link_up(struct link_params *params,
  5437. struct link_vars *vars,
  5438. u8 link_10g)
  5439. {
  5440. struct bnx2x *bp = params->bp;
  5441. u8 port = params->port;
  5442. int rc = 0;
  5443. vars->link_status |= (LINK_STATUS_LINK_UP |
  5444. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5445. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5446. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5447. vars->link_status |=
  5448. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5449. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5450. vars->link_status |=
  5451. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5452. if (USES_WARPCORE(bp)) {
  5453. if (link_10g) {
  5454. if (bnx2x_xmac_enable(params, vars, 0) ==
  5455. -ESRCH) {
  5456. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5457. vars->link_up = 0;
  5458. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5459. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5460. }
  5461. } else
  5462. bnx2x_umac_enable(params, vars, 0);
  5463. bnx2x_set_led(params, vars,
  5464. LED_MODE_OPER, vars->line_speed);
  5465. }
  5466. if ((CHIP_IS_E1x(bp) ||
  5467. CHIP_IS_E2(bp))) {
  5468. if (link_10g) {
  5469. if (bnx2x_bmac_enable(params, vars, 0) ==
  5470. -ESRCH) {
  5471. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5472. vars->link_up = 0;
  5473. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5474. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5475. }
  5476. bnx2x_set_led(params, vars,
  5477. LED_MODE_OPER, SPEED_10000);
  5478. } else {
  5479. rc = bnx2x_emac_program(params, vars);
  5480. bnx2x_emac_enable(params, vars, 0);
  5481. /* AN complete? */
  5482. if ((vars->link_status &
  5483. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5484. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5485. SINGLE_MEDIA_DIRECT(params))
  5486. bnx2x_set_gmii_tx_driver(params);
  5487. }
  5488. }
  5489. /* PBF - link up */
  5490. if (CHIP_IS_E1x(bp))
  5491. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5492. vars->line_speed);
  5493. /* disable drain */
  5494. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5495. /* update shared memory */
  5496. bnx2x_update_mng(params, vars->link_status);
  5497. msleep(20);
  5498. return rc;
  5499. }
  5500. /*
  5501. * The bnx2x_link_update function should be called upon link
  5502. * interrupt.
  5503. * Link is considered up as follows:
  5504. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5505. * to be up
  5506. * - SINGLE_MEDIA - The link between the 577xx and the external
  5507. * phy (XGXS) need to up as well as the external link of the
  5508. * phy (PHY_EXT1)
  5509. * - DUAL_MEDIA - The link between the 577xx and the first
  5510. * external phy needs to be up, and at least one of the 2
  5511. * external phy link must be up.
  5512. */
  5513. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5514. {
  5515. struct bnx2x *bp = params->bp;
  5516. struct link_vars phy_vars[MAX_PHYS];
  5517. u8 port = params->port;
  5518. u8 link_10g_plus, phy_index;
  5519. u8 ext_phy_link_up = 0, cur_link_up;
  5520. int rc = 0;
  5521. u8 is_mi_int = 0;
  5522. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5523. u8 active_external_phy = INT_PHY;
  5524. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5525. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5526. phy_index++) {
  5527. phy_vars[phy_index].flow_ctrl = 0;
  5528. phy_vars[phy_index].link_status = 0;
  5529. phy_vars[phy_index].line_speed = 0;
  5530. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5531. phy_vars[phy_index].phy_link_up = 0;
  5532. phy_vars[phy_index].link_up = 0;
  5533. phy_vars[phy_index].fault_detected = 0;
  5534. }
  5535. if (USES_WARPCORE(bp))
  5536. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5537. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5538. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5539. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5540. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5541. port*0x18) > 0);
  5542. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5543. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5544. is_mi_int,
  5545. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5546. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5547. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5548. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5549. /* disable emac */
  5550. if (!CHIP_IS_E3(bp))
  5551. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5552. /*
  5553. * Step 1:
  5554. * Check external link change only for external phys, and apply
  5555. * priority selection between them in case the link on both phys
  5556. * is up. Note that instead of the common vars, a temporary
  5557. * vars argument is used since each phy may have different link/
  5558. * speed/duplex result
  5559. */
  5560. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5561. phy_index++) {
  5562. struct bnx2x_phy *phy = &params->phy[phy_index];
  5563. if (!phy->read_status)
  5564. continue;
  5565. /* Read link status and params of this ext phy */
  5566. cur_link_up = phy->read_status(phy, params,
  5567. &phy_vars[phy_index]);
  5568. if (cur_link_up) {
  5569. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5570. phy_index);
  5571. } else {
  5572. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5573. phy_index);
  5574. continue;
  5575. }
  5576. if (!ext_phy_link_up) {
  5577. ext_phy_link_up = 1;
  5578. active_external_phy = phy_index;
  5579. } else {
  5580. switch (bnx2x_phy_selection(params)) {
  5581. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5582. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5583. /*
  5584. * In this option, the first PHY makes sure to pass the
  5585. * traffic through itself only.
  5586. * Its not clear how to reset the link on the second phy
  5587. */
  5588. active_external_phy = EXT_PHY1;
  5589. break;
  5590. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5591. /*
  5592. * In this option, the first PHY makes sure to pass the
  5593. * traffic through the second PHY.
  5594. */
  5595. active_external_phy = EXT_PHY2;
  5596. break;
  5597. default:
  5598. /*
  5599. * Link indication on both PHYs with the following cases
  5600. * is invalid:
  5601. * - FIRST_PHY means that second phy wasn't initialized,
  5602. * hence its link is expected to be down
  5603. * - SECOND_PHY means that first phy should not be able
  5604. * to link up by itself (using configuration)
  5605. * - DEFAULT should be overriden during initialiazation
  5606. */
  5607. DP(NETIF_MSG_LINK, "Invalid link indication"
  5608. "mpc=0x%x. DISABLING LINK !!!\n",
  5609. params->multi_phy_config);
  5610. ext_phy_link_up = 0;
  5611. break;
  5612. }
  5613. }
  5614. }
  5615. prev_line_speed = vars->line_speed;
  5616. /*
  5617. * Step 2:
  5618. * Read the status of the internal phy. In case of
  5619. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5620. * otherwise this is the link between the 577xx and the first
  5621. * external phy
  5622. */
  5623. if (params->phy[INT_PHY].read_status)
  5624. params->phy[INT_PHY].read_status(
  5625. &params->phy[INT_PHY],
  5626. params, vars);
  5627. /*
  5628. * The INT_PHY flow control reside in the vars. This include the
  5629. * case where the speed or flow control are not set to AUTO.
  5630. * Otherwise, the active external phy flow control result is set
  5631. * to the vars. The ext_phy_line_speed is needed to check if the
  5632. * speed is different between the internal phy and external phy.
  5633. * This case may be result of intermediate link speed change.
  5634. */
  5635. if (active_external_phy > INT_PHY) {
  5636. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5637. /*
  5638. * Link speed is taken from the XGXS. AN and FC result from
  5639. * the external phy.
  5640. */
  5641. vars->link_status |= phy_vars[active_external_phy].link_status;
  5642. /*
  5643. * if active_external_phy is first PHY and link is up - disable
  5644. * disable TX on second external PHY
  5645. */
  5646. if (active_external_phy == EXT_PHY1) {
  5647. if (params->phy[EXT_PHY2].phy_specific_func) {
  5648. DP(NETIF_MSG_LINK, "Disabling TX on"
  5649. " EXT_PHY2\n");
  5650. params->phy[EXT_PHY2].phy_specific_func(
  5651. &params->phy[EXT_PHY2],
  5652. params, DISABLE_TX);
  5653. }
  5654. }
  5655. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5656. vars->duplex = phy_vars[active_external_phy].duplex;
  5657. if (params->phy[active_external_phy].supported &
  5658. SUPPORTED_FIBRE)
  5659. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5660. else
  5661. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5662. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5663. active_external_phy);
  5664. }
  5665. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5666. phy_index++) {
  5667. if (params->phy[phy_index].flags &
  5668. FLAGS_REARM_LATCH_SIGNAL) {
  5669. bnx2x_rearm_latch_signal(bp, port,
  5670. phy_index ==
  5671. active_external_phy);
  5672. break;
  5673. }
  5674. }
  5675. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5676. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5677. vars->link_status, ext_phy_line_speed);
  5678. /*
  5679. * Upon link speed change set the NIG into drain mode. Comes to
  5680. * deals with possible FIFO glitch due to clk change when speed
  5681. * is decreased without link down indicator
  5682. */
  5683. if (vars->phy_link_up) {
  5684. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5685. (ext_phy_line_speed != vars->line_speed)) {
  5686. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5687. " different than the external"
  5688. " link speed %d\n", vars->line_speed,
  5689. ext_phy_line_speed);
  5690. vars->phy_link_up = 0;
  5691. } else if (prev_line_speed != vars->line_speed) {
  5692. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5693. 0);
  5694. msleep(1);
  5695. }
  5696. }
  5697. /* anything 10 and over uses the bmac */
  5698. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5699. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5700. /*
  5701. * In case external phy link is up, and internal link is down
  5702. * (not initialized yet probably after link initialization, it
  5703. * needs to be initialized.
  5704. * Note that after link down-up as result of cable plug, the xgxs
  5705. * link would probably become up again without the need
  5706. * initialize it
  5707. */
  5708. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5709. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5710. " init_preceding = %d\n", ext_phy_link_up,
  5711. vars->phy_link_up,
  5712. params->phy[EXT_PHY1].flags &
  5713. FLAGS_INIT_XGXS_FIRST);
  5714. if (!(params->phy[EXT_PHY1].flags &
  5715. FLAGS_INIT_XGXS_FIRST)
  5716. && ext_phy_link_up && !vars->phy_link_up) {
  5717. vars->line_speed = ext_phy_line_speed;
  5718. if (vars->line_speed < SPEED_1000)
  5719. vars->phy_flags |= PHY_SGMII_FLAG;
  5720. else
  5721. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5722. if (params->phy[INT_PHY].config_init)
  5723. params->phy[INT_PHY].config_init(
  5724. &params->phy[INT_PHY], params,
  5725. vars);
  5726. }
  5727. }
  5728. /*
  5729. * Link is up only if both local phy and external phy (in case of
  5730. * non-direct board) are up and no fault detected on active PHY.
  5731. */
  5732. vars->link_up = (vars->phy_link_up &&
  5733. (ext_phy_link_up ||
  5734. SINGLE_MEDIA_DIRECT(params)) &&
  5735. (phy_vars[active_external_phy].fault_detected == 0));
  5736. if (vars->link_up)
  5737. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5738. else
  5739. rc = bnx2x_update_link_down(params, vars);
  5740. return rc;
  5741. }
  5742. /*****************************************************************************/
  5743. /* External Phy section */
  5744. /*****************************************************************************/
  5745. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5746. {
  5747. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5748. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5749. msleep(1);
  5750. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5751. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5752. }
  5753. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5754. u32 spirom_ver, u32 ver_addr)
  5755. {
  5756. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5757. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5758. if (ver_addr)
  5759. REG_WR(bp, ver_addr, spirom_ver);
  5760. }
  5761. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5762. struct bnx2x_phy *phy,
  5763. u8 port)
  5764. {
  5765. u16 fw_ver1, fw_ver2;
  5766. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5767. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5768. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5769. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5770. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5771. phy->ver_addr);
  5772. }
  5773. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5774. struct bnx2x_phy *phy,
  5775. struct link_vars *vars)
  5776. {
  5777. u16 val;
  5778. bnx2x_cl45_read(bp, phy,
  5779. MDIO_AN_DEVAD,
  5780. MDIO_AN_REG_STATUS, &val);
  5781. bnx2x_cl45_read(bp, phy,
  5782. MDIO_AN_DEVAD,
  5783. MDIO_AN_REG_STATUS, &val);
  5784. if (val & (1<<5))
  5785. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5786. if ((val & (1<<0)) == 0)
  5787. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5788. }
  5789. /******************************************************************/
  5790. /* common BCM8073/BCM8727 PHY SECTION */
  5791. /******************************************************************/
  5792. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5793. struct link_params *params,
  5794. struct link_vars *vars)
  5795. {
  5796. struct bnx2x *bp = params->bp;
  5797. if (phy->req_line_speed == SPEED_10 ||
  5798. phy->req_line_speed == SPEED_100) {
  5799. vars->flow_ctrl = phy->req_flow_ctrl;
  5800. return;
  5801. }
  5802. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5803. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5804. u16 pause_result;
  5805. u16 ld_pause; /* local */
  5806. u16 lp_pause; /* link partner */
  5807. bnx2x_cl45_read(bp, phy,
  5808. MDIO_AN_DEVAD,
  5809. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5810. bnx2x_cl45_read(bp, phy,
  5811. MDIO_AN_DEVAD,
  5812. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5813. pause_result = (ld_pause &
  5814. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5815. pause_result |= (lp_pause &
  5816. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5817. bnx2x_pause_resolve(vars, pause_result);
  5818. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5819. pause_result);
  5820. }
  5821. }
  5822. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5823. struct bnx2x_phy *phy,
  5824. u8 port)
  5825. {
  5826. u32 count = 0;
  5827. u16 fw_ver1, fw_msgout;
  5828. int rc = 0;
  5829. /* Boot port from external ROM */
  5830. /* EDC grst */
  5831. bnx2x_cl45_write(bp, phy,
  5832. MDIO_PMA_DEVAD,
  5833. MDIO_PMA_REG_GEN_CTRL,
  5834. 0x0001);
  5835. /* ucode reboot and rst */
  5836. bnx2x_cl45_write(bp, phy,
  5837. MDIO_PMA_DEVAD,
  5838. MDIO_PMA_REG_GEN_CTRL,
  5839. 0x008c);
  5840. bnx2x_cl45_write(bp, phy,
  5841. MDIO_PMA_DEVAD,
  5842. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5843. /* Reset internal microprocessor */
  5844. bnx2x_cl45_write(bp, phy,
  5845. MDIO_PMA_DEVAD,
  5846. MDIO_PMA_REG_GEN_CTRL,
  5847. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5848. /* Release srst bit */
  5849. bnx2x_cl45_write(bp, phy,
  5850. MDIO_PMA_DEVAD,
  5851. MDIO_PMA_REG_GEN_CTRL,
  5852. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5853. /* Delay 100ms per the PHY specifications */
  5854. msleep(100);
  5855. /* 8073 sometimes taking longer to download */
  5856. do {
  5857. count++;
  5858. if (count > 300) {
  5859. DP(NETIF_MSG_LINK,
  5860. "bnx2x_8073_8727_external_rom_boot port %x:"
  5861. "Download failed. fw version = 0x%x\n",
  5862. port, fw_ver1);
  5863. rc = -EINVAL;
  5864. break;
  5865. }
  5866. bnx2x_cl45_read(bp, phy,
  5867. MDIO_PMA_DEVAD,
  5868. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5869. bnx2x_cl45_read(bp, phy,
  5870. MDIO_PMA_DEVAD,
  5871. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5872. msleep(1);
  5873. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5874. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5875. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5876. /* Clear ser_boot_ctl bit */
  5877. bnx2x_cl45_write(bp, phy,
  5878. MDIO_PMA_DEVAD,
  5879. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5880. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5881. DP(NETIF_MSG_LINK,
  5882. "bnx2x_8073_8727_external_rom_boot port %x:"
  5883. "Download complete. fw version = 0x%x\n",
  5884. port, fw_ver1);
  5885. return rc;
  5886. }
  5887. /******************************************************************/
  5888. /* BCM8073 PHY SECTION */
  5889. /******************************************************************/
  5890. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5891. {
  5892. /* This is only required for 8073A1, version 102 only */
  5893. u16 val;
  5894. /* Read 8073 HW revision*/
  5895. bnx2x_cl45_read(bp, phy,
  5896. MDIO_PMA_DEVAD,
  5897. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5898. if (val != 1) {
  5899. /* No need to workaround in 8073 A1 */
  5900. return 0;
  5901. }
  5902. bnx2x_cl45_read(bp, phy,
  5903. MDIO_PMA_DEVAD,
  5904. MDIO_PMA_REG_ROM_VER2, &val);
  5905. /* SNR should be applied only for version 0x102 */
  5906. if (val != 0x102)
  5907. return 0;
  5908. return 1;
  5909. }
  5910. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5911. {
  5912. u16 val, cnt, cnt1 ;
  5913. bnx2x_cl45_read(bp, phy,
  5914. MDIO_PMA_DEVAD,
  5915. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5916. if (val > 0) {
  5917. /* No need to workaround in 8073 A1 */
  5918. return 0;
  5919. }
  5920. /* XAUI workaround in 8073 A0: */
  5921. /*
  5922. * After loading the boot ROM and restarting Autoneg, poll
  5923. * Dev1, Reg $C820:
  5924. */
  5925. for (cnt = 0; cnt < 1000; cnt++) {
  5926. bnx2x_cl45_read(bp, phy,
  5927. MDIO_PMA_DEVAD,
  5928. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5929. &val);
  5930. /*
  5931. * If bit [14] = 0 or bit [13] = 0, continue on with
  5932. * system initialization (XAUI work-around not required, as
  5933. * these bits indicate 2.5G or 1G link up).
  5934. */
  5935. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5936. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5937. return 0;
  5938. } else if (!(val & (1<<15))) {
  5939. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5940. /*
  5941. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5942. * MSB (bit15) goes to 1 (indicating that the XAUI
  5943. * workaround has completed), then continue on with
  5944. * system initialization.
  5945. */
  5946. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5947. bnx2x_cl45_read(bp, phy,
  5948. MDIO_PMA_DEVAD,
  5949. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5950. if (val & (1<<15)) {
  5951. DP(NETIF_MSG_LINK,
  5952. "XAUI workaround has completed\n");
  5953. return 0;
  5954. }
  5955. msleep(3);
  5956. }
  5957. break;
  5958. }
  5959. msleep(3);
  5960. }
  5961. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5962. return -EINVAL;
  5963. }
  5964. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5965. {
  5966. /* Force KR or KX */
  5967. bnx2x_cl45_write(bp, phy,
  5968. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5969. bnx2x_cl45_write(bp, phy,
  5970. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5971. bnx2x_cl45_write(bp, phy,
  5972. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5973. bnx2x_cl45_write(bp, phy,
  5974. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5975. }
  5976. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5977. struct bnx2x_phy *phy,
  5978. struct link_vars *vars)
  5979. {
  5980. u16 cl37_val;
  5981. struct bnx2x *bp = params->bp;
  5982. bnx2x_cl45_read(bp, phy,
  5983. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  5984. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5985. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  5986. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5987. if ((vars->ieee_fc &
  5988. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  5989. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  5990. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  5991. }
  5992. if ((vars->ieee_fc &
  5993. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  5994. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  5995. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  5996. }
  5997. if ((vars->ieee_fc &
  5998. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  5999. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6000. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6001. }
  6002. DP(NETIF_MSG_LINK,
  6003. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6004. bnx2x_cl45_write(bp, phy,
  6005. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6006. msleep(500);
  6007. }
  6008. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6009. struct link_params *params,
  6010. struct link_vars *vars)
  6011. {
  6012. struct bnx2x *bp = params->bp;
  6013. u16 val = 0, tmp1;
  6014. u8 gpio_port;
  6015. DP(NETIF_MSG_LINK, "Init 8073\n");
  6016. if (CHIP_IS_E2(bp))
  6017. gpio_port = BP_PATH(bp);
  6018. else
  6019. gpio_port = params->port;
  6020. /* Restore normal power mode*/
  6021. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6022. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6023. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6024. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6025. /* enable LASI */
  6026. bnx2x_cl45_write(bp, phy,
  6027. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6028. bnx2x_cl45_write(bp, phy,
  6029. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6030. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6031. bnx2x_cl45_read(bp, phy,
  6032. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6033. bnx2x_cl45_read(bp, phy,
  6034. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6035. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6036. /* Swap polarity if required - Must be done only in non-1G mode */
  6037. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6038. /* Configure the 8073 to swap _P and _N of the KR lines */
  6039. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6040. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6041. bnx2x_cl45_read(bp, phy,
  6042. MDIO_PMA_DEVAD,
  6043. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6044. bnx2x_cl45_write(bp, phy,
  6045. MDIO_PMA_DEVAD,
  6046. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6047. (val | (3<<9)));
  6048. }
  6049. /* Enable CL37 BAM */
  6050. if (REG_RD(bp, params->shmem_base +
  6051. offsetof(struct shmem_region, dev_info.
  6052. port_hw_config[params->port].default_cfg)) &
  6053. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6054. bnx2x_cl45_read(bp, phy,
  6055. MDIO_AN_DEVAD,
  6056. MDIO_AN_REG_8073_BAM, &val);
  6057. bnx2x_cl45_write(bp, phy,
  6058. MDIO_AN_DEVAD,
  6059. MDIO_AN_REG_8073_BAM, val | 1);
  6060. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6061. }
  6062. if (params->loopback_mode == LOOPBACK_EXT) {
  6063. bnx2x_807x_force_10G(bp, phy);
  6064. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6065. return 0;
  6066. } else {
  6067. bnx2x_cl45_write(bp, phy,
  6068. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6069. }
  6070. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6071. if (phy->req_line_speed == SPEED_10000) {
  6072. val = (1<<7);
  6073. } else if (phy->req_line_speed == SPEED_2500) {
  6074. val = (1<<5);
  6075. /*
  6076. * Note that 2.5G works only when used with 1G
  6077. * advertisement
  6078. */
  6079. } else
  6080. val = (1<<5);
  6081. } else {
  6082. val = 0;
  6083. if (phy->speed_cap_mask &
  6084. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6085. val |= (1<<7);
  6086. /* Note that 2.5G works only when used with 1G advertisement */
  6087. if (phy->speed_cap_mask &
  6088. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6089. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6090. val |= (1<<5);
  6091. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6092. }
  6093. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6094. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6095. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6096. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6097. (phy->req_line_speed == SPEED_2500)) {
  6098. u16 phy_ver;
  6099. /* Allow 2.5G for A1 and above */
  6100. bnx2x_cl45_read(bp, phy,
  6101. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6102. &phy_ver);
  6103. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6104. if (phy_ver > 0)
  6105. tmp1 |= 1;
  6106. else
  6107. tmp1 &= 0xfffe;
  6108. } else {
  6109. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6110. tmp1 &= 0xfffe;
  6111. }
  6112. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6113. /* Add support for CL37 (passive mode) II */
  6114. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6115. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6116. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6117. 0x20 : 0x40)));
  6118. /* Add support for CL37 (passive mode) III */
  6119. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6120. /*
  6121. * The SNR will improve about 2db by changing BW and FEE main
  6122. * tap. Rest commands are executed after link is up
  6123. * Change FFE main cursor to 5 in EDC register
  6124. */
  6125. if (bnx2x_8073_is_snr_needed(bp, phy))
  6126. bnx2x_cl45_write(bp, phy,
  6127. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6128. 0xFB0C);
  6129. /* Enable FEC (Forware Error Correction) Request in the AN */
  6130. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6131. tmp1 |= (1<<15);
  6132. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6133. bnx2x_ext_phy_set_pause(params, phy, vars);
  6134. /* Restart autoneg */
  6135. msleep(500);
  6136. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6137. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6138. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6139. return 0;
  6140. }
  6141. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6142. struct link_params *params,
  6143. struct link_vars *vars)
  6144. {
  6145. struct bnx2x *bp = params->bp;
  6146. u8 link_up = 0;
  6147. u16 val1, val2;
  6148. u16 link_status = 0;
  6149. u16 an1000_status = 0;
  6150. bnx2x_cl45_read(bp, phy,
  6151. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6152. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6153. /* clear the interrupt LASI status register */
  6154. bnx2x_cl45_read(bp, phy,
  6155. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6156. bnx2x_cl45_read(bp, phy,
  6157. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6158. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6159. /* Clear MSG-OUT */
  6160. bnx2x_cl45_read(bp, phy,
  6161. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6162. /* Check the LASI */
  6163. bnx2x_cl45_read(bp, phy,
  6164. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6165. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6166. /* Check the link status */
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6169. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6170. bnx2x_cl45_read(bp, phy,
  6171. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6172. bnx2x_cl45_read(bp, phy,
  6173. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6174. link_up = ((val1 & 4) == 4);
  6175. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6176. if (link_up &&
  6177. ((phy->req_line_speed != SPEED_10000))) {
  6178. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6179. return 0;
  6180. }
  6181. bnx2x_cl45_read(bp, phy,
  6182. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6183. bnx2x_cl45_read(bp, phy,
  6184. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6185. /* Check the link status on 1.1.2 */
  6186. bnx2x_cl45_read(bp, phy,
  6187. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6188. bnx2x_cl45_read(bp, phy,
  6189. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6190. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6191. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6192. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6193. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6194. /*
  6195. * The SNR will improve about 2dbby changing the BW and FEE main
  6196. * tap. The 1st write to change FFE main tap is set before
  6197. * restart AN. Change PLL Bandwidth in EDC register
  6198. */
  6199. bnx2x_cl45_write(bp, phy,
  6200. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6201. 0x26BC);
  6202. /* Change CDR Bandwidth in EDC register */
  6203. bnx2x_cl45_write(bp, phy,
  6204. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6205. 0x0333);
  6206. }
  6207. bnx2x_cl45_read(bp, phy,
  6208. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6209. &link_status);
  6210. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6211. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6212. link_up = 1;
  6213. vars->line_speed = SPEED_10000;
  6214. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6215. params->port);
  6216. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6217. link_up = 1;
  6218. vars->line_speed = SPEED_2500;
  6219. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6220. params->port);
  6221. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6222. link_up = 1;
  6223. vars->line_speed = SPEED_1000;
  6224. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6225. params->port);
  6226. } else {
  6227. link_up = 0;
  6228. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6229. params->port);
  6230. }
  6231. if (link_up) {
  6232. /* Swap polarity if required */
  6233. if (params->lane_config &
  6234. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6235. /* Configure the 8073 to swap P and N of the KR lines */
  6236. bnx2x_cl45_read(bp, phy,
  6237. MDIO_XS_DEVAD,
  6238. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6239. /*
  6240. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6241. * when it`s in 10G mode.
  6242. */
  6243. if (vars->line_speed == SPEED_1000) {
  6244. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6245. "the 8073\n");
  6246. val1 |= (1<<3);
  6247. } else
  6248. val1 &= ~(1<<3);
  6249. bnx2x_cl45_write(bp, phy,
  6250. MDIO_XS_DEVAD,
  6251. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6252. val1);
  6253. }
  6254. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6255. bnx2x_8073_resolve_fc(phy, params, vars);
  6256. vars->duplex = DUPLEX_FULL;
  6257. }
  6258. return link_up;
  6259. }
  6260. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6261. struct link_params *params)
  6262. {
  6263. struct bnx2x *bp = params->bp;
  6264. u8 gpio_port;
  6265. if (CHIP_IS_E2(bp))
  6266. gpio_port = BP_PATH(bp);
  6267. else
  6268. gpio_port = params->port;
  6269. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6270. gpio_port);
  6271. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6272. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6273. gpio_port);
  6274. }
  6275. /******************************************************************/
  6276. /* BCM8705 PHY SECTION */
  6277. /******************************************************************/
  6278. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6279. struct link_params *params,
  6280. struct link_vars *vars)
  6281. {
  6282. struct bnx2x *bp = params->bp;
  6283. DP(NETIF_MSG_LINK, "init 8705\n");
  6284. /* Restore normal power mode*/
  6285. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6286. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6287. /* HW reset */
  6288. bnx2x_ext_phy_hw_reset(bp, params->port);
  6289. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6290. bnx2x_wait_reset_complete(bp, phy, params);
  6291. bnx2x_cl45_write(bp, phy,
  6292. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6293. bnx2x_cl45_write(bp, phy,
  6294. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6295. bnx2x_cl45_write(bp, phy,
  6296. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6297. bnx2x_cl45_write(bp, phy,
  6298. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6299. /* BCM8705 doesn't have microcode, hence the 0 */
  6300. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6301. return 0;
  6302. }
  6303. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6304. struct link_params *params,
  6305. struct link_vars *vars)
  6306. {
  6307. u8 link_up = 0;
  6308. u16 val1, rx_sd;
  6309. struct bnx2x *bp = params->bp;
  6310. DP(NETIF_MSG_LINK, "read status 8705\n");
  6311. bnx2x_cl45_read(bp, phy,
  6312. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6313. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6314. bnx2x_cl45_read(bp, phy,
  6315. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6316. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6317. bnx2x_cl45_read(bp, phy,
  6318. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6319. bnx2x_cl45_read(bp, phy,
  6320. MDIO_PMA_DEVAD, 0xc809, &val1);
  6321. bnx2x_cl45_read(bp, phy,
  6322. MDIO_PMA_DEVAD, 0xc809, &val1);
  6323. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6324. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6325. if (link_up) {
  6326. vars->line_speed = SPEED_10000;
  6327. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6328. }
  6329. return link_up;
  6330. }
  6331. /******************************************************************/
  6332. /* SFP+ module Section */
  6333. /******************************************************************/
  6334. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6335. struct bnx2x_phy *phy,
  6336. u8 pmd_dis)
  6337. {
  6338. struct bnx2x *bp = params->bp;
  6339. /*
  6340. * Disable transmitter only for bootcodes which can enable it afterwards
  6341. * (for D3 link)
  6342. */
  6343. if (pmd_dis) {
  6344. if (params->feature_config_flags &
  6345. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6346. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6347. else {
  6348. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6349. return;
  6350. }
  6351. } else
  6352. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6353. bnx2x_cl45_write(bp, phy,
  6354. MDIO_PMA_DEVAD,
  6355. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6356. }
  6357. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6358. {
  6359. u8 gpio_port;
  6360. u32 swap_val, swap_override;
  6361. struct bnx2x *bp = params->bp;
  6362. if (CHIP_IS_E2(bp))
  6363. gpio_port = BP_PATH(bp);
  6364. else
  6365. gpio_port = params->port;
  6366. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6367. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6368. return gpio_port ^ (swap_val && swap_override);
  6369. }
  6370. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6371. struct bnx2x_phy *phy,
  6372. u8 tx_en)
  6373. {
  6374. u16 val;
  6375. u8 port = params->port;
  6376. struct bnx2x *bp = params->bp;
  6377. u32 tx_en_mode;
  6378. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6379. tx_en_mode = REG_RD(bp, params->shmem_base +
  6380. offsetof(struct shmem_region,
  6381. dev_info.port_hw_config[port].sfp_ctrl)) &
  6382. PORT_HW_CFG_TX_LASER_MASK;
  6383. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6384. "mode = %x\n", tx_en, port, tx_en_mode);
  6385. switch (tx_en_mode) {
  6386. case PORT_HW_CFG_TX_LASER_MDIO:
  6387. bnx2x_cl45_read(bp, phy,
  6388. MDIO_PMA_DEVAD,
  6389. MDIO_PMA_REG_PHY_IDENTIFIER,
  6390. &val);
  6391. if (tx_en)
  6392. val &= ~(1<<15);
  6393. else
  6394. val |= (1<<15);
  6395. bnx2x_cl45_write(bp, phy,
  6396. MDIO_PMA_DEVAD,
  6397. MDIO_PMA_REG_PHY_IDENTIFIER,
  6398. val);
  6399. break;
  6400. case PORT_HW_CFG_TX_LASER_GPIO0:
  6401. case PORT_HW_CFG_TX_LASER_GPIO1:
  6402. case PORT_HW_CFG_TX_LASER_GPIO2:
  6403. case PORT_HW_CFG_TX_LASER_GPIO3:
  6404. {
  6405. u16 gpio_pin;
  6406. u8 gpio_port, gpio_mode;
  6407. if (tx_en)
  6408. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6409. else
  6410. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6411. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6412. gpio_port = bnx2x_get_gpio_port(params);
  6413. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6414. break;
  6415. }
  6416. default:
  6417. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6418. break;
  6419. }
  6420. }
  6421. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6422. struct bnx2x_phy *phy,
  6423. u8 tx_en)
  6424. {
  6425. struct bnx2x *bp = params->bp;
  6426. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6427. if (CHIP_IS_E3(bp))
  6428. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6429. else
  6430. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6431. }
  6432. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6433. struct link_params *params,
  6434. u16 addr, u8 byte_cnt, u8 *o_buf)
  6435. {
  6436. struct bnx2x *bp = params->bp;
  6437. u16 val = 0;
  6438. u16 i;
  6439. if (byte_cnt > 16) {
  6440. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6441. " is limited to 0xf\n");
  6442. return -EINVAL;
  6443. }
  6444. /* Set the read command byte count */
  6445. bnx2x_cl45_write(bp, phy,
  6446. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6447. (byte_cnt | 0xa000));
  6448. /* Set the read command address */
  6449. bnx2x_cl45_write(bp, phy,
  6450. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6451. addr);
  6452. /* Activate read command */
  6453. bnx2x_cl45_write(bp, phy,
  6454. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6455. 0x2c0f);
  6456. /* Wait up to 500us for command complete status */
  6457. for (i = 0; i < 100; i++) {
  6458. bnx2x_cl45_read(bp, phy,
  6459. MDIO_PMA_DEVAD,
  6460. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6461. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6462. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6463. break;
  6464. udelay(5);
  6465. }
  6466. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6467. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6468. DP(NETIF_MSG_LINK,
  6469. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6470. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6471. return -EINVAL;
  6472. }
  6473. /* Read the buffer */
  6474. for (i = 0; i < byte_cnt; i++) {
  6475. bnx2x_cl45_read(bp, phy,
  6476. MDIO_PMA_DEVAD,
  6477. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6478. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6479. }
  6480. for (i = 0; i < 100; i++) {
  6481. bnx2x_cl45_read(bp, phy,
  6482. MDIO_PMA_DEVAD,
  6483. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6484. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6485. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6486. return 0;
  6487. msleep(1);
  6488. }
  6489. return -EINVAL;
  6490. }
  6491. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6492. struct link_params *params,
  6493. u16 addr, u8 byte_cnt,
  6494. u8 *o_buf)
  6495. {
  6496. int rc = 0;
  6497. u8 i, j = 0, cnt = 0;
  6498. u32 data_array[4];
  6499. u16 addr32;
  6500. struct bnx2x *bp = params->bp;
  6501. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6502. " addr %d, cnt %d\n",
  6503. addr, byte_cnt);*/
  6504. if (byte_cnt > 16) {
  6505. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6506. " is limited to 16 bytes\n");
  6507. return -EINVAL;
  6508. }
  6509. /* 4 byte aligned address */
  6510. addr32 = addr & (~0x3);
  6511. do {
  6512. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6513. data_array);
  6514. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6515. if (rc == 0) {
  6516. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6517. o_buf[j] = *((u8 *)data_array + i);
  6518. j++;
  6519. }
  6520. }
  6521. return rc;
  6522. }
  6523. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6524. struct link_params *params,
  6525. u16 addr, u8 byte_cnt, u8 *o_buf)
  6526. {
  6527. struct bnx2x *bp = params->bp;
  6528. u16 val, i;
  6529. if (byte_cnt > 16) {
  6530. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6531. " is limited to 0xf\n");
  6532. return -EINVAL;
  6533. }
  6534. /* Need to read from 1.8000 to clear it */
  6535. bnx2x_cl45_read(bp, phy,
  6536. MDIO_PMA_DEVAD,
  6537. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6538. &val);
  6539. /* Set the read command byte count */
  6540. bnx2x_cl45_write(bp, phy,
  6541. MDIO_PMA_DEVAD,
  6542. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6543. ((byte_cnt < 2) ? 2 : byte_cnt));
  6544. /* Set the read command address */
  6545. bnx2x_cl45_write(bp, phy,
  6546. MDIO_PMA_DEVAD,
  6547. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6548. addr);
  6549. /* Set the destination address */
  6550. bnx2x_cl45_write(bp, phy,
  6551. MDIO_PMA_DEVAD,
  6552. 0x8004,
  6553. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6554. /* Activate read command */
  6555. bnx2x_cl45_write(bp, phy,
  6556. MDIO_PMA_DEVAD,
  6557. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6558. 0x8002);
  6559. /*
  6560. * Wait appropriate time for two-wire command to finish before
  6561. * polling the status register
  6562. */
  6563. msleep(1);
  6564. /* Wait up to 500us for command complete status */
  6565. for (i = 0; i < 100; i++) {
  6566. bnx2x_cl45_read(bp, phy,
  6567. MDIO_PMA_DEVAD,
  6568. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6569. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6570. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6571. break;
  6572. udelay(5);
  6573. }
  6574. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6575. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6576. DP(NETIF_MSG_LINK,
  6577. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6578. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6579. return -EFAULT;
  6580. }
  6581. /* Read the buffer */
  6582. for (i = 0; i < byte_cnt; i++) {
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD,
  6585. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6586. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6587. }
  6588. for (i = 0; i < 100; i++) {
  6589. bnx2x_cl45_read(bp, phy,
  6590. MDIO_PMA_DEVAD,
  6591. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6592. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6593. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6594. return 0;
  6595. msleep(1);
  6596. }
  6597. return -EINVAL;
  6598. }
  6599. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6600. struct link_params *params, u16 addr,
  6601. u8 byte_cnt, u8 *o_buf)
  6602. {
  6603. int rc = -EINVAL;
  6604. switch (phy->type) {
  6605. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6606. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6607. byte_cnt, o_buf);
  6608. break;
  6609. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6610. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6611. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6612. byte_cnt, o_buf);
  6613. break;
  6614. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6615. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6616. byte_cnt, o_buf);
  6617. break;
  6618. }
  6619. return rc;
  6620. }
  6621. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6622. struct link_params *params,
  6623. u16 *edc_mode)
  6624. {
  6625. struct bnx2x *bp = params->bp;
  6626. u32 sync_offset = 0, phy_idx, media_types;
  6627. u8 val, check_limiting_mode = 0;
  6628. *edc_mode = EDC_MODE_LIMITING;
  6629. phy->media_type = ETH_PHY_UNSPECIFIED;
  6630. /* First check for copper cable */
  6631. if (bnx2x_read_sfp_module_eeprom(phy,
  6632. params,
  6633. SFP_EEPROM_CON_TYPE_ADDR,
  6634. 1,
  6635. &val) != 0) {
  6636. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6637. return -EINVAL;
  6638. }
  6639. switch (val) {
  6640. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6641. {
  6642. u8 copper_module_type;
  6643. phy->media_type = ETH_PHY_DA_TWINAX;
  6644. /*
  6645. * Check if its active cable (includes SFP+ module)
  6646. * of passive cable
  6647. */
  6648. if (bnx2x_read_sfp_module_eeprom(phy,
  6649. params,
  6650. SFP_EEPROM_FC_TX_TECH_ADDR,
  6651. 1,
  6652. &copper_module_type) != 0) {
  6653. DP(NETIF_MSG_LINK,
  6654. "Failed to read copper-cable-type"
  6655. " from SFP+ EEPROM\n");
  6656. return -EINVAL;
  6657. }
  6658. if (copper_module_type &
  6659. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6660. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6661. check_limiting_mode = 1;
  6662. } else if (copper_module_type &
  6663. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6664. DP(NETIF_MSG_LINK, "Passive Copper"
  6665. " cable detected\n");
  6666. *edc_mode =
  6667. EDC_MODE_PASSIVE_DAC;
  6668. } else {
  6669. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6670. "type 0x%x !!!\n", copper_module_type);
  6671. return -EINVAL;
  6672. }
  6673. break;
  6674. }
  6675. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6676. phy->media_type = ETH_PHY_SFP_FIBER;
  6677. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6678. check_limiting_mode = 1;
  6679. break;
  6680. default:
  6681. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6682. val);
  6683. return -EINVAL;
  6684. }
  6685. sync_offset = params->shmem_base +
  6686. offsetof(struct shmem_region,
  6687. dev_info.port_hw_config[params->port].media_type);
  6688. media_types = REG_RD(bp, sync_offset);
  6689. /* Update media type for non-PMF sync */
  6690. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6691. if (&(params->phy[phy_idx]) == phy) {
  6692. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6693. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6694. media_types |= ((phy->media_type &
  6695. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6696. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6697. break;
  6698. }
  6699. }
  6700. REG_WR(bp, sync_offset, media_types);
  6701. if (check_limiting_mode) {
  6702. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6703. if (bnx2x_read_sfp_module_eeprom(phy,
  6704. params,
  6705. SFP_EEPROM_OPTIONS_ADDR,
  6706. SFP_EEPROM_OPTIONS_SIZE,
  6707. options) != 0) {
  6708. DP(NETIF_MSG_LINK, "Failed to read Option"
  6709. " field from module EEPROM\n");
  6710. return -EINVAL;
  6711. }
  6712. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6713. *edc_mode = EDC_MODE_LINEAR;
  6714. else
  6715. *edc_mode = EDC_MODE_LIMITING;
  6716. }
  6717. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6718. return 0;
  6719. }
  6720. /*
  6721. * This function read the relevant field from the module (SFP+), and verify it
  6722. * is compliant with this board
  6723. */
  6724. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6725. struct link_params *params)
  6726. {
  6727. struct bnx2x *bp = params->bp;
  6728. u32 val, cmd;
  6729. u32 fw_resp, fw_cmd_param;
  6730. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6731. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6732. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6733. val = REG_RD(bp, params->shmem_base +
  6734. offsetof(struct shmem_region, dev_info.
  6735. port_feature_config[params->port].config));
  6736. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6737. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6738. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6739. return 0;
  6740. }
  6741. if (params->feature_config_flags &
  6742. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6743. /* Use specific phy request */
  6744. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6745. } else if (params->feature_config_flags &
  6746. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6747. /* Use first phy request only in case of non-dual media*/
  6748. if (DUAL_MEDIA(params)) {
  6749. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6750. "verification\n");
  6751. return -EINVAL;
  6752. }
  6753. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6754. } else {
  6755. /* No support in OPT MDL detection */
  6756. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6757. "verification\n");
  6758. return -EINVAL;
  6759. }
  6760. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6761. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6762. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6763. DP(NETIF_MSG_LINK, "Approved module\n");
  6764. return 0;
  6765. }
  6766. /* format the warning message */
  6767. if (bnx2x_read_sfp_module_eeprom(phy,
  6768. params,
  6769. SFP_EEPROM_VENDOR_NAME_ADDR,
  6770. SFP_EEPROM_VENDOR_NAME_SIZE,
  6771. (u8 *)vendor_name))
  6772. vendor_name[0] = '\0';
  6773. else
  6774. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6775. if (bnx2x_read_sfp_module_eeprom(phy,
  6776. params,
  6777. SFP_EEPROM_PART_NO_ADDR,
  6778. SFP_EEPROM_PART_NO_SIZE,
  6779. (u8 *)vendor_pn))
  6780. vendor_pn[0] = '\0';
  6781. else
  6782. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6783. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6784. " Port %d from %s part number %s\n",
  6785. params->port, vendor_name, vendor_pn);
  6786. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6787. return -EINVAL;
  6788. }
  6789. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6790. struct link_params *params)
  6791. {
  6792. u8 val;
  6793. struct bnx2x *bp = params->bp;
  6794. u16 timeout;
  6795. /*
  6796. * Initialization time after hot-plug may take up to 300ms for
  6797. * some phys type ( e.g. JDSU )
  6798. */
  6799. for (timeout = 0; timeout < 60; timeout++) {
  6800. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6801. == 0) {
  6802. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6803. "took %d ms\n", timeout * 5);
  6804. return 0;
  6805. }
  6806. msleep(5);
  6807. }
  6808. return -EINVAL;
  6809. }
  6810. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6811. struct bnx2x_phy *phy,
  6812. u8 is_power_up) {
  6813. /* Make sure GPIOs are not using for LED mode */
  6814. u16 val;
  6815. /*
  6816. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6817. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6818. * output
  6819. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6820. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6821. * where the 1st bit is the over-current(only input), and 2nd bit is
  6822. * for power( only output )
  6823. *
  6824. * In case of NOC feature is disabled and power is up, set GPIO control
  6825. * as input to enable listening of over-current indication
  6826. */
  6827. if (phy->flags & FLAGS_NOC)
  6828. return;
  6829. if (is_power_up)
  6830. val = (1<<4);
  6831. else
  6832. /*
  6833. * Set GPIO control to OUTPUT, and set the power bit
  6834. * to according to the is_power_up
  6835. */
  6836. val = (1<<1);
  6837. bnx2x_cl45_write(bp, phy,
  6838. MDIO_PMA_DEVAD,
  6839. MDIO_PMA_REG_8727_GPIO_CTRL,
  6840. val);
  6841. }
  6842. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6843. struct bnx2x_phy *phy,
  6844. u16 edc_mode)
  6845. {
  6846. u16 cur_limiting_mode;
  6847. bnx2x_cl45_read(bp, phy,
  6848. MDIO_PMA_DEVAD,
  6849. MDIO_PMA_REG_ROM_VER2,
  6850. &cur_limiting_mode);
  6851. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6852. cur_limiting_mode);
  6853. if (edc_mode == EDC_MODE_LIMITING) {
  6854. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6855. bnx2x_cl45_write(bp, phy,
  6856. MDIO_PMA_DEVAD,
  6857. MDIO_PMA_REG_ROM_VER2,
  6858. EDC_MODE_LIMITING);
  6859. } else { /* LRM mode ( default )*/
  6860. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6861. /*
  6862. * Changing to LRM mode takes quite few seconds. So do it only
  6863. * if current mode is limiting (default is LRM)
  6864. */
  6865. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6866. return 0;
  6867. bnx2x_cl45_write(bp, phy,
  6868. MDIO_PMA_DEVAD,
  6869. MDIO_PMA_REG_LRM_MODE,
  6870. 0);
  6871. bnx2x_cl45_write(bp, phy,
  6872. MDIO_PMA_DEVAD,
  6873. MDIO_PMA_REG_ROM_VER2,
  6874. 0x128);
  6875. bnx2x_cl45_write(bp, phy,
  6876. MDIO_PMA_DEVAD,
  6877. MDIO_PMA_REG_MISC_CTRL0,
  6878. 0x4008);
  6879. bnx2x_cl45_write(bp, phy,
  6880. MDIO_PMA_DEVAD,
  6881. MDIO_PMA_REG_LRM_MODE,
  6882. 0xaaaa);
  6883. }
  6884. return 0;
  6885. }
  6886. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6887. struct bnx2x_phy *phy,
  6888. u16 edc_mode)
  6889. {
  6890. u16 phy_identifier;
  6891. u16 rom_ver2_val;
  6892. bnx2x_cl45_read(bp, phy,
  6893. MDIO_PMA_DEVAD,
  6894. MDIO_PMA_REG_PHY_IDENTIFIER,
  6895. &phy_identifier);
  6896. bnx2x_cl45_write(bp, phy,
  6897. MDIO_PMA_DEVAD,
  6898. MDIO_PMA_REG_PHY_IDENTIFIER,
  6899. (phy_identifier & ~(1<<9)));
  6900. bnx2x_cl45_read(bp, phy,
  6901. MDIO_PMA_DEVAD,
  6902. MDIO_PMA_REG_ROM_VER2,
  6903. &rom_ver2_val);
  6904. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6905. bnx2x_cl45_write(bp, phy,
  6906. MDIO_PMA_DEVAD,
  6907. MDIO_PMA_REG_ROM_VER2,
  6908. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6909. bnx2x_cl45_write(bp, phy,
  6910. MDIO_PMA_DEVAD,
  6911. MDIO_PMA_REG_PHY_IDENTIFIER,
  6912. (phy_identifier | (1<<9)));
  6913. return 0;
  6914. }
  6915. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6916. struct link_params *params,
  6917. u32 action)
  6918. {
  6919. struct bnx2x *bp = params->bp;
  6920. switch (action) {
  6921. case DISABLE_TX:
  6922. bnx2x_sfp_set_transmitter(params, phy, 0);
  6923. break;
  6924. case ENABLE_TX:
  6925. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6926. bnx2x_sfp_set_transmitter(params, phy, 1);
  6927. break;
  6928. default:
  6929. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6930. action);
  6931. return;
  6932. }
  6933. }
  6934. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6935. u8 gpio_mode)
  6936. {
  6937. struct bnx2x *bp = params->bp;
  6938. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6939. offsetof(struct shmem_region,
  6940. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6941. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6942. switch (fault_led_gpio) {
  6943. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6944. return;
  6945. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6946. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6947. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6948. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6949. {
  6950. u8 gpio_port = bnx2x_get_gpio_port(params);
  6951. u16 gpio_pin = fault_led_gpio -
  6952. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6953. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6954. "pin %x port %x mode %x\n",
  6955. gpio_pin, gpio_port, gpio_mode);
  6956. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6957. }
  6958. break;
  6959. default:
  6960. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6961. fault_led_gpio);
  6962. }
  6963. }
  6964. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6965. u8 gpio_mode)
  6966. {
  6967. u32 pin_cfg;
  6968. u8 port = params->port;
  6969. struct bnx2x *bp = params->bp;
  6970. pin_cfg = (REG_RD(bp, params->shmem_base +
  6971. offsetof(struct shmem_region,
  6972. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6973. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6974. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6975. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6976. gpio_mode, pin_cfg);
  6977. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  6978. }
  6979. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  6980. u8 gpio_mode)
  6981. {
  6982. struct bnx2x *bp = params->bp;
  6983. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  6984. if (CHIP_IS_E3(bp)) {
  6985. /*
  6986. * Low ==> if SFP+ module is supported otherwise
  6987. * High ==> if SFP+ module is not on the approved vendor list
  6988. */
  6989. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  6990. } else
  6991. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  6992. }
  6993. static void bnx2x_warpcore_power_module(struct link_params *params,
  6994. struct bnx2x_phy *phy,
  6995. u8 power)
  6996. {
  6997. u32 pin_cfg;
  6998. struct bnx2x *bp = params->bp;
  6999. pin_cfg = (REG_RD(bp, params->shmem_base +
  7000. offsetof(struct shmem_region,
  7001. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7002. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7003. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7004. if (pin_cfg == PIN_CFG_NA)
  7005. return;
  7006. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7007. power, pin_cfg);
  7008. /*
  7009. * Low ==> corresponding SFP+ module is powered
  7010. * high ==> the SFP+ module is powered down
  7011. */
  7012. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7013. }
  7014. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7015. struct link_params *params)
  7016. {
  7017. bnx2x_warpcore_power_module(params, phy, 0);
  7018. }
  7019. static void bnx2x_power_sfp_module(struct link_params *params,
  7020. struct bnx2x_phy *phy,
  7021. u8 power)
  7022. {
  7023. struct bnx2x *bp = params->bp;
  7024. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7025. switch (phy->type) {
  7026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7027. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7028. bnx2x_8727_power_module(params->bp, phy, power);
  7029. break;
  7030. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7031. bnx2x_warpcore_power_module(params, phy, power);
  7032. break;
  7033. default:
  7034. break;
  7035. }
  7036. }
  7037. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7038. struct bnx2x_phy *phy,
  7039. u16 edc_mode)
  7040. {
  7041. u16 val = 0;
  7042. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7043. struct bnx2x *bp = params->bp;
  7044. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7045. /* This is a global register which controls all lanes */
  7046. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7047. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7048. val &= ~(0xf << (lane << 2));
  7049. switch (edc_mode) {
  7050. case EDC_MODE_LINEAR:
  7051. case EDC_MODE_LIMITING:
  7052. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7053. break;
  7054. case EDC_MODE_PASSIVE_DAC:
  7055. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7056. break;
  7057. default:
  7058. break;
  7059. }
  7060. val |= (mode << (lane << 2));
  7061. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7062. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7063. /* A must read */
  7064. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7065. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7066. }
  7067. static void bnx2x_set_limiting_mode(struct link_params *params,
  7068. struct bnx2x_phy *phy,
  7069. u16 edc_mode)
  7070. {
  7071. switch (phy->type) {
  7072. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7073. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7074. break;
  7075. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7076. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7077. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7078. break;
  7079. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7080. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7081. break;
  7082. }
  7083. }
  7084. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7085. struct link_params *params)
  7086. {
  7087. struct bnx2x *bp = params->bp;
  7088. u16 edc_mode;
  7089. int rc = 0;
  7090. u32 val = REG_RD(bp, params->shmem_base +
  7091. offsetof(struct shmem_region, dev_info.
  7092. port_feature_config[params->port].config));
  7093. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7094. params->port);
  7095. /* Power up module */
  7096. bnx2x_power_sfp_module(params, phy, 1);
  7097. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7098. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7099. return -EINVAL;
  7100. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7101. /* check SFP+ module compatibility */
  7102. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7103. rc = -EINVAL;
  7104. /* Turn on fault module-detected led */
  7105. bnx2x_set_sfp_module_fault_led(params,
  7106. MISC_REGISTERS_GPIO_HIGH);
  7107. /* Check if need to power down the SFP+ module */
  7108. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7109. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7110. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7111. bnx2x_power_sfp_module(params, phy, 0);
  7112. return rc;
  7113. }
  7114. } else {
  7115. /* Turn off fault module-detected led */
  7116. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7117. }
  7118. /*
  7119. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7120. * is done automatically
  7121. */
  7122. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7123. /*
  7124. * Enable transmit for this module if the module is approved, or
  7125. * if unapproved modules should also enable the Tx laser
  7126. */
  7127. if (rc == 0 ||
  7128. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7129. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7130. bnx2x_sfp_set_transmitter(params, phy, 1);
  7131. else
  7132. bnx2x_sfp_set_transmitter(params, phy, 0);
  7133. return rc;
  7134. }
  7135. void bnx2x_handle_module_detect_int(struct link_params *params)
  7136. {
  7137. struct bnx2x *bp = params->bp;
  7138. struct bnx2x_phy *phy;
  7139. u32 gpio_val;
  7140. u8 gpio_num, gpio_port;
  7141. if (CHIP_IS_E3(bp))
  7142. phy = &params->phy[INT_PHY];
  7143. else
  7144. phy = &params->phy[EXT_PHY1];
  7145. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7146. params->port, &gpio_num, &gpio_port) ==
  7147. -EINVAL) {
  7148. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7149. return;
  7150. }
  7151. /* Set valid module led off */
  7152. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7153. /* Get current gpio val reflecting module plugged in / out*/
  7154. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7155. /* Call the handling function in case module is detected */
  7156. if (gpio_val == 0) {
  7157. bnx2x_power_sfp_module(params, phy, 1);
  7158. bnx2x_set_gpio_int(bp, gpio_num,
  7159. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7160. gpio_port);
  7161. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7162. bnx2x_sfp_module_detection(phy, params);
  7163. else
  7164. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7165. } else {
  7166. u32 val = REG_RD(bp, params->shmem_base +
  7167. offsetof(struct shmem_region, dev_info.
  7168. port_feature_config[params->port].
  7169. config));
  7170. bnx2x_set_gpio_int(bp, gpio_num,
  7171. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7172. gpio_port);
  7173. /*
  7174. * Module was plugged out.
  7175. * Disable transmit for this module
  7176. */
  7177. phy->media_type = ETH_PHY_NOT_PRESENT;
  7178. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7179. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7180. CHIP_IS_E3(bp))
  7181. bnx2x_sfp_set_transmitter(params, phy, 0);
  7182. }
  7183. }
  7184. /******************************************************************/
  7185. /* Used by 8706 and 8727 */
  7186. /******************************************************************/
  7187. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7188. struct bnx2x_phy *phy,
  7189. u16 alarm_status_offset,
  7190. u16 alarm_ctrl_offset)
  7191. {
  7192. u16 alarm_status, val;
  7193. bnx2x_cl45_read(bp, phy,
  7194. MDIO_PMA_DEVAD, alarm_status_offset,
  7195. &alarm_status);
  7196. bnx2x_cl45_read(bp, phy,
  7197. MDIO_PMA_DEVAD, alarm_status_offset,
  7198. &alarm_status);
  7199. /* Mask or enable the fault event. */
  7200. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7201. if (alarm_status & (1<<0))
  7202. val &= ~(1<<0);
  7203. else
  7204. val |= (1<<0);
  7205. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7206. }
  7207. /******************************************************************/
  7208. /* common BCM8706/BCM8726 PHY SECTION */
  7209. /******************************************************************/
  7210. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7211. struct link_params *params,
  7212. struct link_vars *vars)
  7213. {
  7214. u8 link_up = 0;
  7215. u16 val1, val2, rx_sd, pcs_status;
  7216. struct bnx2x *bp = params->bp;
  7217. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7218. /* Clear RX Alarm*/
  7219. bnx2x_cl45_read(bp, phy,
  7220. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7221. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7222. MDIO_PMA_LASI_TXCTRL);
  7223. /* clear LASI indication*/
  7224. bnx2x_cl45_read(bp, phy,
  7225. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7226. bnx2x_cl45_read(bp, phy,
  7227. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7228. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7229. bnx2x_cl45_read(bp, phy,
  7230. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7231. bnx2x_cl45_read(bp, phy,
  7232. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7233. bnx2x_cl45_read(bp, phy,
  7234. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7235. bnx2x_cl45_read(bp, phy,
  7236. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7237. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7238. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7239. /*
  7240. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7241. * are set, or if the autoneg bit 1 is set
  7242. */
  7243. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7244. if (link_up) {
  7245. if (val2 & (1<<1))
  7246. vars->line_speed = SPEED_1000;
  7247. else
  7248. vars->line_speed = SPEED_10000;
  7249. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7250. vars->duplex = DUPLEX_FULL;
  7251. }
  7252. /* Capture 10G link fault. Read twice to clear stale value. */
  7253. if (vars->line_speed == SPEED_10000) {
  7254. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7255. MDIO_PMA_LASI_TXSTAT, &val1);
  7256. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7257. MDIO_PMA_LASI_TXSTAT, &val1);
  7258. if (val1 & (1<<0))
  7259. vars->fault_detected = 1;
  7260. }
  7261. return link_up;
  7262. }
  7263. /******************************************************************/
  7264. /* BCM8706 PHY SECTION */
  7265. /******************************************************************/
  7266. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7267. struct link_params *params,
  7268. struct link_vars *vars)
  7269. {
  7270. u32 tx_en_mode;
  7271. u16 cnt, val, tmp1;
  7272. struct bnx2x *bp = params->bp;
  7273. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7274. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7275. /* HW reset */
  7276. bnx2x_ext_phy_hw_reset(bp, params->port);
  7277. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7278. bnx2x_wait_reset_complete(bp, phy, params);
  7279. /* Wait until fw is loaded */
  7280. for (cnt = 0; cnt < 100; cnt++) {
  7281. bnx2x_cl45_read(bp, phy,
  7282. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7283. if (val)
  7284. break;
  7285. msleep(10);
  7286. }
  7287. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7288. if ((params->feature_config_flags &
  7289. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7290. u8 i;
  7291. u16 reg;
  7292. for (i = 0; i < 4; i++) {
  7293. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7294. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7295. MDIO_XS_8706_REG_BANK_RX0);
  7296. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7297. /* Clear first 3 bits of the control */
  7298. val &= ~0x7;
  7299. /* Set control bits according to configuration */
  7300. val |= (phy->rx_preemphasis[i] & 0x7);
  7301. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7302. " reg 0x%x <-- val 0x%x\n", reg, val);
  7303. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7304. }
  7305. }
  7306. /* Force speed */
  7307. if (phy->req_line_speed == SPEED_10000) {
  7308. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7309. bnx2x_cl45_write(bp, phy,
  7310. MDIO_PMA_DEVAD,
  7311. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7312. bnx2x_cl45_write(bp, phy,
  7313. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7314. 0);
  7315. /* Arm LASI for link and Tx fault. */
  7316. bnx2x_cl45_write(bp, phy,
  7317. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7318. } else {
  7319. /* Force 1Gbps using autoneg with 1G advertisement */
  7320. /* Allow CL37 through CL73 */
  7321. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7322. bnx2x_cl45_write(bp, phy,
  7323. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7324. /* Enable Full-Duplex advertisement on CL37 */
  7325. bnx2x_cl45_write(bp, phy,
  7326. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7327. /* Enable CL37 AN */
  7328. bnx2x_cl45_write(bp, phy,
  7329. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7330. /* 1G support */
  7331. bnx2x_cl45_write(bp, phy,
  7332. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7333. /* Enable clause 73 AN */
  7334. bnx2x_cl45_write(bp, phy,
  7335. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7336. bnx2x_cl45_write(bp, phy,
  7337. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7338. 0x0400);
  7339. bnx2x_cl45_write(bp, phy,
  7340. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7341. 0x0004);
  7342. }
  7343. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7344. /*
  7345. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7346. * power mode, if TX Laser is disabled
  7347. */
  7348. tx_en_mode = REG_RD(bp, params->shmem_base +
  7349. offsetof(struct shmem_region,
  7350. dev_info.port_hw_config[params->port].sfp_ctrl))
  7351. & PORT_HW_CFG_TX_LASER_MASK;
  7352. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7353. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7354. bnx2x_cl45_read(bp, phy,
  7355. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7356. tmp1 |= 0x1;
  7357. bnx2x_cl45_write(bp, phy,
  7358. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7359. }
  7360. return 0;
  7361. }
  7362. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7363. struct link_params *params,
  7364. struct link_vars *vars)
  7365. {
  7366. return bnx2x_8706_8726_read_status(phy, params, vars);
  7367. }
  7368. /******************************************************************/
  7369. /* BCM8726 PHY SECTION */
  7370. /******************************************************************/
  7371. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7372. struct link_params *params)
  7373. {
  7374. struct bnx2x *bp = params->bp;
  7375. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7376. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7377. }
  7378. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7379. struct link_params *params)
  7380. {
  7381. struct bnx2x *bp = params->bp;
  7382. /* Need to wait 100ms after reset */
  7383. msleep(100);
  7384. /* Micro controller re-boot */
  7385. bnx2x_cl45_write(bp, phy,
  7386. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7387. /* Set soft reset */
  7388. bnx2x_cl45_write(bp, phy,
  7389. MDIO_PMA_DEVAD,
  7390. MDIO_PMA_REG_GEN_CTRL,
  7391. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7392. bnx2x_cl45_write(bp, phy,
  7393. MDIO_PMA_DEVAD,
  7394. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD,
  7397. MDIO_PMA_REG_GEN_CTRL,
  7398. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7399. /* wait for 150ms for microcode load */
  7400. msleep(150);
  7401. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7402. bnx2x_cl45_write(bp, phy,
  7403. MDIO_PMA_DEVAD,
  7404. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7405. msleep(200);
  7406. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7407. }
  7408. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7409. struct link_params *params,
  7410. struct link_vars *vars)
  7411. {
  7412. struct bnx2x *bp = params->bp;
  7413. u16 val1;
  7414. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7415. if (link_up) {
  7416. bnx2x_cl45_read(bp, phy,
  7417. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7418. &val1);
  7419. if (val1 & (1<<15)) {
  7420. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7421. link_up = 0;
  7422. vars->line_speed = 0;
  7423. }
  7424. }
  7425. return link_up;
  7426. }
  7427. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7428. struct link_params *params,
  7429. struct link_vars *vars)
  7430. {
  7431. struct bnx2x *bp = params->bp;
  7432. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7433. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7434. bnx2x_wait_reset_complete(bp, phy, params);
  7435. bnx2x_8726_external_rom_boot(phy, params);
  7436. /*
  7437. * Need to call module detected on initialization since the module
  7438. * detection triggered by actual module insertion might occur before
  7439. * driver is loaded, and when driver is loaded, it reset all
  7440. * registers, including the transmitter
  7441. */
  7442. bnx2x_sfp_module_detection(phy, params);
  7443. if (phy->req_line_speed == SPEED_1000) {
  7444. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7445. bnx2x_cl45_write(bp, phy,
  7446. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7449. bnx2x_cl45_write(bp, phy,
  7450. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7451. bnx2x_cl45_write(bp, phy,
  7452. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7453. 0x400);
  7454. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7455. (phy->speed_cap_mask &
  7456. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7457. ((phy->speed_cap_mask &
  7458. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7459. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7460. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7461. /* Set Flow control */
  7462. bnx2x_ext_phy_set_pause(params, phy, vars);
  7463. bnx2x_cl45_write(bp, phy,
  7464. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7465. bnx2x_cl45_write(bp, phy,
  7466. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7467. bnx2x_cl45_write(bp, phy,
  7468. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7469. bnx2x_cl45_write(bp, phy,
  7470. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7471. bnx2x_cl45_write(bp, phy,
  7472. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7473. /*
  7474. * Enable RX-ALARM control to receive interrupt for 1G speed
  7475. * change
  7476. */
  7477. bnx2x_cl45_write(bp, phy,
  7478. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7479. bnx2x_cl45_write(bp, phy,
  7480. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7481. 0x400);
  7482. } else { /* Default 10G. Set only LASI control */
  7483. bnx2x_cl45_write(bp, phy,
  7484. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7485. }
  7486. /* Set TX PreEmphasis if needed */
  7487. if ((params->feature_config_flags &
  7488. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7489. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7490. "TX_CTRL2 0x%x\n",
  7491. phy->tx_preemphasis[0],
  7492. phy->tx_preemphasis[1]);
  7493. bnx2x_cl45_write(bp, phy,
  7494. MDIO_PMA_DEVAD,
  7495. MDIO_PMA_REG_8726_TX_CTRL1,
  7496. phy->tx_preemphasis[0]);
  7497. bnx2x_cl45_write(bp, phy,
  7498. MDIO_PMA_DEVAD,
  7499. MDIO_PMA_REG_8726_TX_CTRL2,
  7500. phy->tx_preemphasis[1]);
  7501. }
  7502. return 0;
  7503. }
  7504. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7505. struct link_params *params)
  7506. {
  7507. struct bnx2x *bp = params->bp;
  7508. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7509. /* Set serial boot control for external load */
  7510. bnx2x_cl45_write(bp, phy,
  7511. MDIO_PMA_DEVAD,
  7512. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7513. }
  7514. /******************************************************************/
  7515. /* BCM8727 PHY SECTION */
  7516. /******************************************************************/
  7517. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7518. struct link_params *params, u8 mode)
  7519. {
  7520. struct bnx2x *bp = params->bp;
  7521. u16 led_mode_bitmask = 0;
  7522. u16 gpio_pins_bitmask = 0;
  7523. u16 val;
  7524. /* Only NOC flavor requires to set the LED specifically */
  7525. if (!(phy->flags & FLAGS_NOC))
  7526. return;
  7527. switch (mode) {
  7528. case LED_MODE_FRONT_PANEL_OFF:
  7529. case LED_MODE_OFF:
  7530. led_mode_bitmask = 0;
  7531. gpio_pins_bitmask = 0x03;
  7532. break;
  7533. case LED_MODE_ON:
  7534. led_mode_bitmask = 0;
  7535. gpio_pins_bitmask = 0x02;
  7536. break;
  7537. case LED_MODE_OPER:
  7538. led_mode_bitmask = 0x60;
  7539. gpio_pins_bitmask = 0x11;
  7540. break;
  7541. }
  7542. bnx2x_cl45_read(bp, phy,
  7543. MDIO_PMA_DEVAD,
  7544. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7545. &val);
  7546. val &= 0xff8f;
  7547. val |= led_mode_bitmask;
  7548. bnx2x_cl45_write(bp, phy,
  7549. MDIO_PMA_DEVAD,
  7550. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7551. val);
  7552. bnx2x_cl45_read(bp, phy,
  7553. MDIO_PMA_DEVAD,
  7554. MDIO_PMA_REG_8727_GPIO_CTRL,
  7555. &val);
  7556. val &= 0xffe0;
  7557. val |= gpio_pins_bitmask;
  7558. bnx2x_cl45_write(bp, phy,
  7559. MDIO_PMA_DEVAD,
  7560. MDIO_PMA_REG_8727_GPIO_CTRL,
  7561. val);
  7562. }
  7563. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7564. struct link_params *params) {
  7565. u32 swap_val, swap_override;
  7566. u8 port;
  7567. /*
  7568. * The PHY reset is controlled by GPIO 1. Fake the port number
  7569. * to cancel the swap done in set_gpio()
  7570. */
  7571. struct bnx2x *bp = params->bp;
  7572. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7573. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7574. port = (swap_val && swap_override) ^ 1;
  7575. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7576. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7577. }
  7578. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7579. struct link_params *params,
  7580. struct link_vars *vars)
  7581. {
  7582. u32 tx_en_mode;
  7583. u16 tmp1, val, mod_abs, tmp2;
  7584. u16 rx_alarm_ctrl_val;
  7585. u16 lasi_ctrl_val;
  7586. struct bnx2x *bp = params->bp;
  7587. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7588. bnx2x_wait_reset_complete(bp, phy, params);
  7589. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7590. /* Should be 0x6 to enable XS on Tx side. */
  7591. lasi_ctrl_val = 0x0006;
  7592. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7593. /* enable LASI */
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7596. rx_alarm_ctrl_val);
  7597. bnx2x_cl45_write(bp, phy,
  7598. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7599. 0);
  7600. bnx2x_cl45_write(bp, phy,
  7601. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7602. /*
  7603. * Initially configure MOD_ABS to interrupt when module is
  7604. * presence( bit 8)
  7605. */
  7606. bnx2x_cl45_read(bp, phy,
  7607. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7608. /*
  7609. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7610. * When the EDC is off it locks onto a reference clock and avoids
  7611. * becoming 'lost'
  7612. */
  7613. mod_abs &= ~(1<<8);
  7614. if (!(phy->flags & FLAGS_NOC))
  7615. mod_abs &= ~(1<<9);
  7616. bnx2x_cl45_write(bp, phy,
  7617. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7618. /* Enable/Disable PHY transmitter output */
  7619. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7620. /* Make MOD_ABS give interrupt on change */
  7621. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7622. &val);
  7623. val |= (1<<12);
  7624. if (phy->flags & FLAGS_NOC)
  7625. val |= (3<<5);
  7626. /*
  7627. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7628. * status which reflect SFP+ module over-current
  7629. */
  7630. if (!(phy->flags & FLAGS_NOC))
  7631. val &= 0xff8f; /* Reset bits 4-6 */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7634. bnx2x_8727_power_module(bp, phy, 1);
  7635. bnx2x_cl45_read(bp, phy,
  7636. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7637. bnx2x_cl45_read(bp, phy,
  7638. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7639. /* Set option 1G speed */
  7640. if (phy->req_line_speed == SPEED_1000) {
  7641. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7642. bnx2x_cl45_write(bp, phy,
  7643. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7644. bnx2x_cl45_write(bp, phy,
  7645. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7646. bnx2x_cl45_read(bp, phy,
  7647. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7648. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7649. /*
  7650. * Power down the XAUI until link is up in case of dual-media
  7651. * and 1G
  7652. */
  7653. if (DUAL_MEDIA(params)) {
  7654. bnx2x_cl45_read(bp, phy,
  7655. MDIO_PMA_DEVAD,
  7656. MDIO_PMA_REG_8727_PCS_GP, &val);
  7657. val |= (3<<10);
  7658. bnx2x_cl45_write(bp, phy,
  7659. MDIO_PMA_DEVAD,
  7660. MDIO_PMA_REG_8727_PCS_GP, val);
  7661. }
  7662. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7663. ((phy->speed_cap_mask &
  7664. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7665. ((phy->speed_cap_mask &
  7666. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7667. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7668. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7669. bnx2x_cl45_write(bp, phy,
  7670. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7671. bnx2x_cl45_write(bp, phy,
  7672. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7673. } else {
  7674. /*
  7675. * Since the 8727 has only single reset pin, need to set the 10G
  7676. * registers although it is default
  7677. */
  7678. bnx2x_cl45_write(bp, phy,
  7679. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7680. 0x0020);
  7681. bnx2x_cl45_write(bp, phy,
  7682. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7683. bnx2x_cl45_write(bp, phy,
  7684. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7685. bnx2x_cl45_write(bp, phy,
  7686. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7687. 0x0008);
  7688. }
  7689. /*
  7690. * Set 2-wire transfer rate of SFP+ module EEPROM
  7691. * to 100Khz since some DACs(direct attached cables) do
  7692. * not work at 400Khz.
  7693. */
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7696. 0xa001);
  7697. /* Set TX PreEmphasis if needed */
  7698. if ((params->feature_config_flags &
  7699. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7700. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7701. phy->tx_preemphasis[0],
  7702. phy->tx_preemphasis[1]);
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7705. phy->tx_preemphasis[0]);
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7708. phy->tx_preemphasis[1]);
  7709. }
  7710. /*
  7711. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7712. * power mode, if TX Laser is disabled
  7713. */
  7714. tx_en_mode = REG_RD(bp, params->shmem_base +
  7715. offsetof(struct shmem_region,
  7716. dev_info.port_hw_config[params->port].sfp_ctrl))
  7717. & PORT_HW_CFG_TX_LASER_MASK;
  7718. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7719. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7720. bnx2x_cl45_read(bp, phy,
  7721. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7722. tmp2 |= 0x1000;
  7723. tmp2 &= 0xFFEF;
  7724. bnx2x_cl45_write(bp, phy,
  7725. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7726. }
  7727. return 0;
  7728. }
  7729. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7730. struct link_params *params)
  7731. {
  7732. struct bnx2x *bp = params->bp;
  7733. u16 mod_abs, rx_alarm_status;
  7734. u32 val = REG_RD(bp, params->shmem_base +
  7735. offsetof(struct shmem_region, dev_info.
  7736. port_feature_config[params->port].
  7737. config));
  7738. bnx2x_cl45_read(bp, phy,
  7739. MDIO_PMA_DEVAD,
  7740. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7741. if (mod_abs & (1<<8)) {
  7742. /* Module is absent */
  7743. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7744. "show module is absent\n");
  7745. phy->media_type = ETH_PHY_NOT_PRESENT;
  7746. /*
  7747. * 1. Set mod_abs to detect next module
  7748. * presence event
  7749. * 2. Set EDC off by setting OPTXLOS signal input to low
  7750. * (bit 9).
  7751. * When the EDC is off it locks onto a reference clock and
  7752. * avoids becoming 'lost'.
  7753. */
  7754. mod_abs &= ~(1<<8);
  7755. if (!(phy->flags & FLAGS_NOC))
  7756. mod_abs &= ~(1<<9);
  7757. bnx2x_cl45_write(bp, phy,
  7758. MDIO_PMA_DEVAD,
  7759. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7760. /*
  7761. * Clear RX alarm since it stays up as long as
  7762. * the mod_abs wasn't changed
  7763. */
  7764. bnx2x_cl45_read(bp, phy,
  7765. MDIO_PMA_DEVAD,
  7766. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7767. } else {
  7768. /* Module is present */
  7769. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7770. "show module is present\n");
  7771. /*
  7772. * First disable transmitter, and if the module is ok, the
  7773. * module_detection will enable it
  7774. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7775. * 2. Restore the default polarity of the OPRXLOS signal and
  7776. * this signal will then correctly indicate the presence or
  7777. * absence of the Rx signal. (bit 9)
  7778. */
  7779. mod_abs |= (1<<8);
  7780. if (!(phy->flags & FLAGS_NOC))
  7781. mod_abs |= (1<<9);
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_PMA_DEVAD,
  7784. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7785. /*
  7786. * Clear RX alarm since it stays up as long as the mod_abs
  7787. * wasn't changed. This is need to be done before calling the
  7788. * module detection, otherwise it will clear* the link update
  7789. * alarm
  7790. */
  7791. bnx2x_cl45_read(bp, phy,
  7792. MDIO_PMA_DEVAD,
  7793. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7794. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7795. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7796. bnx2x_sfp_set_transmitter(params, phy, 0);
  7797. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7798. bnx2x_sfp_module_detection(phy, params);
  7799. else
  7800. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7801. }
  7802. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7803. rx_alarm_status);
  7804. /* No need to check link status in case of module plugged in/out */
  7805. }
  7806. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7807. struct link_params *params,
  7808. struct link_vars *vars)
  7809. {
  7810. struct bnx2x *bp = params->bp;
  7811. u8 link_up = 0, oc_port = params->port;
  7812. u16 link_status = 0;
  7813. u16 rx_alarm_status, lasi_ctrl, val1;
  7814. /* If PHY is not initialized, do not check link status */
  7815. bnx2x_cl45_read(bp, phy,
  7816. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7817. &lasi_ctrl);
  7818. if (!lasi_ctrl)
  7819. return 0;
  7820. /* Check the LASI on Rx */
  7821. bnx2x_cl45_read(bp, phy,
  7822. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7823. &rx_alarm_status);
  7824. vars->line_speed = 0;
  7825. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7826. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7827. MDIO_PMA_LASI_TXCTRL);
  7828. bnx2x_cl45_read(bp, phy,
  7829. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7830. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7831. /* Clear MSG-OUT */
  7832. bnx2x_cl45_read(bp, phy,
  7833. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7834. /*
  7835. * If a module is present and there is need to check
  7836. * for over current
  7837. */
  7838. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7839. /* Check over-current using 8727 GPIO0 input*/
  7840. bnx2x_cl45_read(bp, phy,
  7841. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7842. &val1);
  7843. if ((val1 & (1<<8)) == 0) {
  7844. if (!CHIP_IS_E1x(bp))
  7845. oc_port = BP_PATH(bp) + (params->port << 1);
  7846. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7847. " on port %d\n", oc_port);
  7848. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7849. " been detected and the power to "
  7850. "that SFP+ module has been removed"
  7851. " to prevent failure of the card."
  7852. " Please remove the SFP+ module and"
  7853. " restart the system to clear this"
  7854. " error.\n",
  7855. oc_port);
  7856. /* Disable all RX_ALARMs except for mod_abs */
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_PMA_DEVAD,
  7859. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7860. bnx2x_cl45_read(bp, phy,
  7861. MDIO_PMA_DEVAD,
  7862. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7863. /* Wait for module_absent_event */
  7864. val1 |= (1<<8);
  7865. bnx2x_cl45_write(bp, phy,
  7866. MDIO_PMA_DEVAD,
  7867. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7868. /* Clear RX alarm */
  7869. bnx2x_cl45_read(bp, phy,
  7870. MDIO_PMA_DEVAD,
  7871. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7872. return 0;
  7873. }
  7874. } /* Over current check */
  7875. /* When module absent bit is set, check module */
  7876. if (rx_alarm_status & (1<<5)) {
  7877. bnx2x_8727_handle_mod_abs(phy, params);
  7878. /* Enable all mod_abs and link detection bits */
  7879. bnx2x_cl45_write(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7881. ((1<<5) | (1<<2)));
  7882. }
  7883. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7884. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7885. /* If transmitter is disabled, ignore false link up indication */
  7886. bnx2x_cl45_read(bp, phy,
  7887. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7888. if (val1 & (1<<15)) {
  7889. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7890. return 0;
  7891. }
  7892. bnx2x_cl45_read(bp, phy,
  7893. MDIO_PMA_DEVAD,
  7894. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7895. /*
  7896. * Bits 0..2 --> speed detected,
  7897. * Bits 13..15--> link is down
  7898. */
  7899. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7900. link_up = 1;
  7901. vars->line_speed = SPEED_10000;
  7902. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7903. params->port);
  7904. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7905. link_up = 1;
  7906. vars->line_speed = SPEED_1000;
  7907. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7908. params->port);
  7909. } else {
  7910. link_up = 0;
  7911. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7912. params->port);
  7913. }
  7914. /* Capture 10G link fault. */
  7915. if (vars->line_speed == SPEED_10000) {
  7916. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7917. MDIO_PMA_LASI_TXSTAT, &val1);
  7918. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7919. MDIO_PMA_LASI_TXSTAT, &val1);
  7920. if (val1 & (1<<0)) {
  7921. vars->fault_detected = 1;
  7922. }
  7923. }
  7924. if (link_up) {
  7925. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7926. vars->duplex = DUPLEX_FULL;
  7927. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7928. }
  7929. if ((DUAL_MEDIA(params)) &&
  7930. (phy->req_line_speed == SPEED_1000)) {
  7931. bnx2x_cl45_read(bp, phy,
  7932. MDIO_PMA_DEVAD,
  7933. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7934. /*
  7935. * In case of dual-media board and 1G, power up the XAUI side,
  7936. * otherwise power it down. For 10G it is done automatically
  7937. */
  7938. if (link_up)
  7939. val1 &= ~(3<<10);
  7940. else
  7941. val1 |= (3<<10);
  7942. bnx2x_cl45_write(bp, phy,
  7943. MDIO_PMA_DEVAD,
  7944. MDIO_PMA_REG_8727_PCS_GP, val1);
  7945. }
  7946. return link_up;
  7947. }
  7948. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7949. struct link_params *params)
  7950. {
  7951. struct bnx2x *bp = params->bp;
  7952. /* Enable/Disable PHY transmitter output */
  7953. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  7954. /* Disable Transmitter */
  7955. bnx2x_sfp_set_transmitter(params, phy, 0);
  7956. /* Clear LASI */
  7957. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7958. }
  7959. /******************************************************************/
  7960. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7961. /******************************************************************/
  7962. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7963. struct link_params *params)
  7964. {
  7965. u16 val, fw_ver1, fw_ver2, cnt;
  7966. u8 port;
  7967. struct bnx2x *bp = params->bp;
  7968. port = params->port;
  7969. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7970. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7971. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7972. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7973. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7974. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  7975. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  7976. for (cnt = 0; cnt < 100; cnt++) {
  7977. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7978. if (val & 1)
  7979. break;
  7980. udelay(5);
  7981. }
  7982. if (cnt == 100) {
  7983. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  7984. bnx2x_save_spirom_version(bp, port, 0,
  7985. phy->ver_addr);
  7986. return;
  7987. }
  7988. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  7989. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  7990. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7991. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  7992. for (cnt = 0; cnt < 100; cnt++) {
  7993. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7994. if (val & 1)
  7995. break;
  7996. udelay(5);
  7997. }
  7998. if (cnt == 100) {
  7999. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8000. bnx2x_save_spirom_version(bp, port, 0,
  8001. phy->ver_addr);
  8002. return;
  8003. }
  8004. /* lower 16 bits of the register SPI_FW_STATUS */
  8005. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8006. /* upper 16 bits of register SPI_FW_STATUS */
  8007. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8008. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8009. phy->ver_addr);
  8010. }
  8011. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8012. struct bnx2x_phy *phy)
  8013. {
  8014. u16 val;
  8015. /* PHYC_CTL_LED_CTL */
  8016. bnx2x_cl45_read(bp, phy,
  8017. MDIO_PMA_DEVAD,
  8018. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8019. val &= 0xFE00;
  8020. val |= 0x0092;
  8021. bnx2x_cl45_write(bp, phy,
  8022. MDIO_PMA_DEVAD,
  8023. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8024. bnx2x_cl45_write(bp, phy,
  8025. MDIO_PMA_DEVAD,
  8026. MDIO_PMA_REG_8481_LED1_MASK,
  8027. 0x80);
  8028. bnx2x_cl45_write(bp, phy,
  8029. MDIO_PMA_DEVAD,
  8030. MDIO_PMA_REG_8481_LED2_MASK,
  8031. 0x18);
  8032. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8033. bnx2x_cl45_write(bp, phy,
  8034. MDIO_PMA_DEVAD,
  8035. MDIO_PMA_REG_8481_LED3_MASK,
  8036. 0x0006);
  8037. /* Select the closest activity blink rate to that in 10/100/1000 */
  8038. bnx2x_cl45_write(bp, phy,
  8039. MDIO_PMA_DEVAD,
  8040. MDIO_PMA_REG_8481_LED3_BLINK,
  8041. 0);
  8042. bnx2x_cl45_read(bp, phy,
  8043. MDIO_PMA_DEVAD,
  8044. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8045. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8049. /* 'Interrupt Mask' */
  8050. bnx2x_cl45_write(bp, phy,
  8051. MDIO_AN_DEVAD,
  8052. 0xFFFB, 0xFFFD);
  8053. }
  8054. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8055. struct link_params *params,
  8056. struct link_vars *vars)
  8057. {
  8058. struct bnx2x *bp = params->bp;
  8059. u16 autoneg_val, an_1000_val, an_10_100_val;
  8060. u16 tmp_req_line_speed;
  8061. tmp_req_line_speed = phy->req_line_speed;
  8062. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8063. if (phy->req_line_speed == SPEED_10000)
  8064. phy->req_line_speed = SPEED_AUTO_NEG;
  8065. /*
  8066. * This phy uses the NIG latch mechanism since link indication
  8067. * arrives through its LED4 and not via its LASI signal, so we
  8068. * get steady signal instead of clear on read
  8069. */
  8070. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8071. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8072. bnx2x_cl45_write(bp, phy,
  8073. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8074. bnx2x_848xx_set_led(bp, phy);
  8075. /* set 1000 speed advertisement */
  8076. bnx2x_cl45_read(bp, phy,
  8077. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8078. &an_1000_val);
  8079. bnx2x_ext_phy_set_pause(params, phy, vars);
  8080. bnx2x_cl45_read(bp, phy,
  8081. MDIO_AN_DEVAD,
  8082. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8083. &an_10_100_val);
  8084. bnx2x_cl45_read(bp, phy,
  8085. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8086. &autoneg_val);
  8087. /* Disable forced speed */
  8088. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8089. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8090. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8091. (phy->speed_cap_mask &
  8092. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8093. (phy->req_line_speed == SPEED_1000)) {
  8094. an_1000_val |= (1<<8);
  8095. autoneg_val |= (1<<9 | 1<<12);
  8096. if (phy->req_duplex == DUPLEX_FULL)
  8097. an_1000_val |= (1<<9);
  8098. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8099. } else
  8100. an_1000_val &= ~((1<<8) | (1<<9));
  8101. bnx2x_cl45_write(bp, phy,
  8102. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8103. an_1000_val);
  8104. /* set 100 speed advertisement */
  8105. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8106. (phy->speed_cap_mask &
  8107. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8108. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8109. (phy->supported &
  8110. (SUPPORTED_100baseT_Half |
  8111. SUPPORTED_100baseT_Full)))) {
  8112. an_10_100_val |= (1<<7);
  8113. /* Enable autoneg and restart autoneg for legacy speeds */
  8114. autoneg_val |= (1<<9 | 1<<12);
  8115. if (phy->req_duplex == DUPLEX_FULL)
  8116. an_10_100_val |= (1<<8);
  8117. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8118. }
  8119. /* set 10 speed advertisement */
  8120. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8121. (phy->speed_cap_mask &
  8122. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8123. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8124. (phy->supported &
  8125. (SUPPORTED_10baseT_Half |
  8126. SUPPORTED_10baseT_Full)))) {
  8127. an_10_100_val |= (1<<5);
  8128. autoneg_val |= (1<<9 | 1<<12);
  8129. if (phy->req_duplex == DUPLEX_FULL)
  8130. an_10_100_val |= (1<<6);
  8131. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8132. }
  8133. /* Only 10/100 are allowed to work in FORCE mode */
  8134. if ((phy->req_line_speed == SPEED_100) &&
  8135. (phy->supported &
  8136. (SUPPORTED_100baseT_Half |
  8137. SUPPORTED_100baseT_Full))) {
  8138. autoneg_val |= (1<<13);
  8139. /* Enabled AUTO-MDIX when autoneg is disabled */
  8140. bnx2x_cl45_write(bp, phy,
  8141. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8142. (1<<15 | 1<<9 | 7<<0));
  8143. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8144. }
  8145. if ((phy->req_line_speed == SPEED_10) &&
  8146. (phy->supported &
  8147. (SUPPORTED_10baseT_Half |
  8148. SUPPORTED_10baseT_Full))) {
  8149. /* Enabled AUTO-MDIX when autoneg is disabled */
  8150. bnx2x_cl45_write(bp, phy,
  8151. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8152. (1<<15 | 1<<9 | 7<<0));
  8153. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8154. }
  8155. bnx2x_cl45_write(bp, phy,
  8156. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8157. an_10_100_val);
  8158. if (phy->req_duplex == DUPLEX_FULL)
  8159. autoneg_val |= (1<<8);
  8160. bnx2x_cl45_write(bp, phy,
  8161. MDIO_AN_DEVAD,
  8162. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8163. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8164. (phy->speed_cap_mask &
  8165. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8166. (phy->req_line_speed == SPEED_10000)) {
  8167. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8168. /* Restart autoneg for 10G*/
  8169. bnx2x_cl45_write(bp, phy,
  8170. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8171. 0x3200);
  8172. } else if (phy->req_line_speed != SPEED_10 &&
  8173. phy->req_line_speed != SPEED_100) {
  8174. bnx2x_cl45_write(bp, phy,
  8175. MDIO_AN_DEVAD,
  8176. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8177. 1);
  8178. }
  8179. /* Save spirom version */
  8180. bnx2x_save_848xx_spirom_version(phy, params);
  8181. phy->req_line_speed = tmp_req_line_speed;
  8182. return 0;
  8183. }
  8184. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8185. struct link_params *params,
  8186. struct link_vars *vars)
  8187. {
  8188. struct bnx2x *bp = params->bp;
  8189. /* Restore normal power mode*/
  8190. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8191. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8192. /* HW reset */
  8193. bnx2x_ext_phy_hw_reset(bp, params->port);
  8194. bnx2x_wait_reset_complete(bp, phy, params);
  8195. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8196. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8197. }
  8198. #define PHY84833_HDSHK_WAIT 300
  8199. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8200. struct link_params *params,
  8201. struct link_vars *vars)
  8202. {
  8203. u32 idx;
  8204. u32 pair_swap;
  8205. u16 val;
  8206. u16 data;
  8207. struct bnx2x *bp = params->bp;
  8208. /* Do pair swap */
  8209. /* Check for configuration. */
  8210. pair_swap = REG_RD(bp, params->shmem_base +
  8211. offsetof(struct shmem_region,
  8212. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8213. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8214. if (pair_swap == 0)
  8215. return 0;
  8216. data = (u16)pair_swap;
  8217. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8218. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8219. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8220. PHY84833_CMD_OPEN_OVERRIDE);
  8221. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8222. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8223. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8224. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8225. break;
  8226. msleep(1);
  8227. }
  8228. if (idx >= PHY84833_HDSHK_WAIT) {
  8229. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8230. return -EINVAL;
  8231. }
  8232. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8233. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8234. data);
  8235. /* Issue pair swap command */
  8236. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8237. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8238. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8239. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8240. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8241. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8242. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8243. (val == PHY84833_CMD_COMPLETE_ERROR))
  8244. break;
  8245. msleep(1);
  8246. }
  8247. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8248. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8249. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8250. return -EINVAL;
  8251. }
  8252. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8253. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8254. PHY84833_CMD_CLEAR_COMPLETE);
  8255. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8256. return 0;
  8257. }
  8258. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8259. u32 shmem_base_path[],
  8260. u32 chip_id)
  8261. {
  8262. u32 reset_pin[2];
  8263. u32 idx;
  8264. u8 reset_gpios;
  8265. if (CHIP_IS_E3(bp)) {
  8266. /* Assume that these will be GPIOs, not EPIOs. */
  8267. for (idx = 0; idx < 2; idx++) {
  8268. /* Map config param to register bit. */
  8269. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8270. offsetof(struct shmem_region,
  8271. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8272. reset_pin[idx] = (reset_pin[idx] &
  8273. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8274. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8275. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8276. reset_pin[idx] = (1 << reset_pin[idx]);
  8277. }
  8278. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8279. } else {
  8280. /* E2, look from diff place of shmem. */
  8281. for (idx = 0; idx < 2; idx++) {
  8282. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8283. offsetof(struct shmem_region,
  8284. dev_info.port_hw_config[0].default_cfg));
  8285. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8286. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8287. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8288. reset_pin[idx] = (1 << reset_pin[idx]);
  8289. }
  8290. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8291. }
  8292. return reset_gpios;
  8293. }
  8294. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8295. struct link_params *params)
  8296. {
  8297. struct bnx2x *bp = params->bp;
  8298. u8 reset_gpios;
  8299. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8300. offsetof(struct shmem2_region,
  8301. other_shmem_base_addr));
  8302. u32 shmem_base_path[2];
  8303. shmem_base_path[0] = params->shmem_base;
  8304. shmem_base_path[1] = other_shmem_base_addr;
  8305. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8306. params->chip_id);
  8307. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8308. udelay(10);
  8309. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8310. reset_gpios);
  8311. return 0;
  8312. }
  8313. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8314. u32 shmem_base_path[],
  8315. u32 chip_id)
  8316. {
  8317. u8 reset_gpios;
  8318. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8319. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8320. udelay(10);
  8321. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8322. msleep(800);
  8323. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8324. reset_gpios);
  8325. return 0;
  8326. }
  8327. #define PHY84833_CONSTANT_LATENCY 1193
  8328. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8329. struct link_params *params,
  8330. struct link_vars *vars)
  8331. {
  8332. struct bnx2x *bp = params->bp;
  8333. u8 port, initialize = 1;
  8334. u16 val;
  8335. u16 temp;
  8336. u32 actual_phy_selection, cms_enable, idx;
  8337. int rc = 0;
  8338. msleep(1);
  8339. if (!(CHIP_IS_E1(bp)))
  8340. port = BP_PATH(bp);
  8341. else
  8342. port = params->port;
  8343. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8344. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8345. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8346. port);
  8347. } else {
  8348. /* MDIO reset */
  8349. bnx2x_cl45_write(bp, phy,
  8350. MDIO_PMA_DEVAD,
  8351. MDIO_PMA_REG_CTRL, 0x8000);
  8352. /* Bring PHY out of super isolate mode */
  8353. bnx2x_cl45_read(bp, phy,
  8354. MDIO_CTL_DEVAD,
  8355. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8356. val &= ~MDIO_84833_SUPER_ISOLATE;
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_CTL_DEVAD,
  8359. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8360. }
  8361. bnx2x_wait_reset_complete(bp, phy, params);
  8362. /* Wait for GPHY to come out of reset */
  8363. msleep(50);
  8364. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8365. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8366. /*
  8367. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8368. */
  8369. temp = vars->line_speed;
  8370. vars->line_speed = SPEED_10000;
  8371. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8372. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8373. vars->line_speed = temp;
  8374. /* Set dual-media configuration according to configuration */
  8375. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8376. MDIO_CTL_REG_84823_MEDIA, &val);
  8377. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8378. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8379. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8380. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8381. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8382. if (CHIP_IS_E3(bp)) {
  8383. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8384. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8385. } else {
  8386. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8387. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8388. }
  8389. actual_phy_selection = bnx2x_phy_selection(params);
  8390. switch (actual_phy_selection) {
  8391. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8392. /* Do nothing. Essentially this is like the priority copper */
  8393. break;
  8394. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8395. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8396. break;
  8397. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8398. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8399. break;
  8400. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8401. /* Do nothing here. The first PHY won't be initialized at all */
  8402. break;
  8403. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8404. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8405. initialize = 0;
  8406. break;
  8407. }
  8408. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8409. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8410. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8411. MDIO_CTL_REG_84823_MEDIA, val);
  8412. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8413. params->multi_phy_config, val);
  8414. /* AutogrEEEn */
  8415. if (params->feature_config_flags &
  8416. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8417. /* Ensure that f/w is ready */
  8418. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8419. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8420. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8421. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8422. break;
  8423. usleep_range(1000, 1000);
  8424. }
  8425. if (idx >= PHY84833_HDSHK_WAIT) {
  8426. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8427. return -EINVAL;
  8428. }
  8429. /* Select EEE mode */
  8430. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8431. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8432. 0x2);
  8433. /* Set Idle and Latency */
  8434. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8435. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8436. PHY84833_CONSTANT_LATENCY + 1);
  8437. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8438. MDIO_84833_TOP_CFG_DATA3_REG,
  8439. PHY84833_CONSTANT_LATENCY + 1);
  8440. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8441. MDIO_84833_TOP_CFG_DATA4_REG,
  8442. PHY84833_CONSTANT_LATENCY);
  8443. /* Send EEE instruction to command register */
  8444. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8445. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8446. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8447. /* Ensure that the command has completed */
  8448. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8449. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8450. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8451. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8452. (val == PHY84833_CMD_COMPLETE_ERROR))
  8453. break;
  8454. usleep_range(1000, 1000);
  8455. }
  8456. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8457. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8458. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8459. return -EINVAL;
  8460. }
  8461. /* Reset command handler */
  8462. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8463. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8464. PHY84833_CMD_CLEAR_COMPLETE);
  8465. }
  8466. if (initialize)
  8467. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8468. else
  8469. bnx2x_save_848xx_spirom_version(phy, params);
  8470. /* 84833 PHY has a better feature and doesn't need to support this. */
  8471. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8472. cms_enable = REG_RD(bp, params->shmem_base +
  8473. offsetof(struct shmem_region,
  8474. dev_info.port_hw_config[params->port].default_cfg)) &
  8475. PORT_HW_CFG_ENABLE_CMS_MASK;
  8476. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8477. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8478. if (cms_enable)
  8479. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8480. else
  8481. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8482. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8483. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8484. }
  8485. return rc;
  8486. }
  8487. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8488. struct link_params *params,
  8489. struct link_vars *vars)
  8490. {
  8491. struct bnx2x *bp = params->bp;
  8492. u16 val, val1, val2;
  8493. u8 link_up = 0;
  8494. /* Check 10G-BaseT link status */
  8495. /* Check PMD signal ok */
  8496. bnx2x_cl45_read(bp, phy,
  8497. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8498. bnx2x_cl45_read(bp, phy,
  8499. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8500. &val2);
  8501. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8502. /* Check link 10G */
  8503. if (val2 & (1<<11)) {
  8504. vars->line_speed = SPEED_10000;
  8505. vars->duplex = DUPLEX_FULL;
  8506. link_up = 1;
  8507. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8508. } else { /* Check Legacy speed link */
  8509. u16 legacy_status, legacy_speed;
  8510. /* Enable expansion register 0x42 (Operation mode status) */
  8511. bnx2x_cl45_write(bp, phy,
  8512. MDIO_AN_DEVAD,
  8513. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8514. /* Get legacy speed operation status */
  8515. bnx2x_cl45_read(bp, phy,
  8516. MDIO_AN_DEVAD,
  8517. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8518. &legacy_status);
  8519. DP(NETIF_MSG_LINK, "Legacy speed status"
  8520. " = 0x%x\n", legacy_status);
  8521. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8522. if (link_up) {
  8523. legacy_speed = (legacy_status & (3<<9));
  8524. if (legacy_speed == (0<<9))
  8525. vars->line_speed = SPEED_10;
  8526. else if (legacy_speed == (1<<9))
  8527. vars->line_speed = SPEED_100;
  8528. else if (legacy_speed == (2<<9))
  8529. vars->line_speed = SPEED_1000;
  8530. else /* Should not happen */
  8531. vars->line_speed = 0;
  8532. if (legacy_status & (1<<8))
  8533. vars->duplex = DUPLEX_FULL;
  8534. else
  8535. vars->duplex = DUPLEX_HALF;
  8536. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8537. " is_duplex_full= %d\n", vars->line_speed,
  8538. (vars->duplex == DUPLEX_FULL));
  8539. /* Check legacy speed AN resolution */
  8540. bnx2x_cl45_read(bp, phy,
  8541. MDIO_AN_DEVAD,
  8542. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8543. &val);
  8544. if (val & (1<<5))
  8545. vars->link_status |=
  8546. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8547. bnx2x_cl45_read(bp, phy,
  8548. MDIO_AN_DEVAD,
  8549. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8550. &val);
  8551. if ((val & (1<<0)) == 0)
  8552. vars->link_status |=
  8553. LINK_STATUS_PARALLEL_DETECTION_USED;
  8554. }
  8555. }
  8556. if (link_up) {
  8557. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8558. vars->line_speed);
  8559. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8560. }
  8561. return link_up;
  8562. }
  8563. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8564. {
  8565. int status = 0;
  8566. u32 spirom_ver;
  8567. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8568. status = bnx2x_format_ver(spirom_ver, str, len);
  8569. return status;
  8570. }
  8571. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8572. struct link_params *params)
  8573. {
  8574. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8575. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8576. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8577. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8578. }
  8579. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8580. struct link_params *params)
  8581. {
  8582. bnx2x_cl45_write(params->bp, phy,
  8583. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8584. bnx2x_cl45_write(params->bp, phy,
  8585. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8586. }
  8587. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8588. struct link_params *params)
  8589. {
  8590. struct bnx2x *bp = params->bp;
  8591. u8 port;
  8592. u16 val16;
  8593. if (!(CHIP_IS_E1(bp)))
  8594. port = BP_PATH(bp);
  8595. else
  8596. port = params->port;
  8597. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8598. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8599. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8600. port);
  8601. } else {
  8602. bnx2x_cl45_read(bp, phy,
  8603. MDIO_CTL_DEVAD,
  8604. 0x400f, &val16);
  8605. /* Put to low power mode on newer FW */
  8606. if ((val16 & 0x303f) > 0x1009)
  8607. bnx2x_cl45_write(bp, phy,
  8608. MDIO_PMA_DEVAD,
  8609. MDIO_PMA_REG_CTRL, 0x800);
  8610. }
  8611. }
  8612. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8613. struct link_params *params, u8 mode)
  8614. {
  8615. struct bnx2x *bp = params->bp;
  8616. u16 val;
  8617. u8 port;
  8618. if (!(CHIP_IS_E1(bp)))
  8619. port = BP_PATH(bp);
  8620. else
  8621. port = params->port;
  8622. switch (mode) {
  8623. case LED_MODE_OFF:
  8624. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8625. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8626. SHARED_HW_CFG_LED_EXTPHY1) {
  8627. /* Set LED masks */
  8628. bnx2x_cl45_write(bp, phy,
  8629. MDIO_PMA_DEVAD,
  8630. MDIO_PMA_REG_8481_LED1_MASK,
  8631. 0x0);
  8632. bnx2x_cl45_write(bp, phy,
  8633. MDIO_PMA_DEVAD,
  8634. MDIO_PMA_REG_8481_LED2_MASK,
  8635. 0x0);
  8636. bnx2x_cl45_write(bp, phy,
  8637. MDIO_PMA_DEVAD,
  8638. MDIO_PMA_REG_8481_LED3_MASK,
  8639. 0x0);
  8640. bnx2x_cl45_write(bp, phy,
  8641. MDIO_PMA_DEVAD,
  8642. MDIO_PMA_REG_8481_LED5_MASK,
  8643. 0x0);
  8644. } else {
  8645. bnx2x_cl45_write(bp, phy,
  8646. MDIO_PMA_DEVAD,
  8647. MDIO_PMA_REG_8481_LED1_MASK,
  8648. 0x0);
  8649. }
  8650. break;
  8651. case LED_MODE_FRONT_PANEL_OFF:
  8652. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8653. port);
  8654. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8655. SHARED_HW_CFG_LED_EXTPHY1) {
  8656. /* Set LED masks */
  8657. bnx2x_cl45_write(bp, phy,
  8658. MDIO_PMA_DEVAD,
  8659. MDIO_PMA_REG_8481_LED1_MASK,
  8660. 0x0);
  8661. bnx2x_cl45_write(bp, phy,
  8662. MDIO_PMA_DEVAD,
  8663. MDIO_PMA_REG_8481_LED2_MASK,
  8664. 0x0);
  8665. bnx2x_cl45_write(bp, phy,
  8666. MDIO_PMA_DEVAD,
  8667. MDIO_PMA_REG_8481_LED3_MASK,
  8668. 0x0);
  8669. bnx2x_cl45_write(bp, phy,
  8670. MDIO_PMA_DEVAD,
  8671. MDIO_PMA_REG_8481_LED5_MASK,
  8672. 0x20);
  8673. } else {
  8674. bnx2x_cl45_write(bp, phy,
  8675. MDIO_PMA_DEVAD,
  8676. MDIO_PMA_REG_8481_LED1_MASK,
  8677. 0x0);
  8678. }
  8679. break;
  8680. case LED_MODE_ON:
  8681. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8682. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8683. SHARED_HW_CFG_LED_EXTPHY1) {
  8684. /* Set control reg */
  8685. bnx2x_cl45_read(bp, phy,
  8686. MDIO_PMA_DEVAD,
  8687. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8688. &val);
  8689. val &= 0x8000;
  8690. val |= 0x2492;
  8691. bnx2x_cl45_write(bp, phy,
  8692. MDIO_PMA_DEVAD,
  8693. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8694. val);
  8695. /* Set LED masks */
  8696. bnx2x_cl45_write(bp, phy,
  8697. MDIO_PMA_DEVAD,
  8698. MDIO_PMA_REG_8481_LED1_MASK,
  8699. 0x0);
  8700. bnx2x_cl45_write(bp, phy,
  8701. MDIO_PMA_DEVAD,
  8702. MDIO_PMA_REG_8481_LED2_MASK,
  8703. 0x20);
  8704. bnx2x_cl45_write(bp, phy,
  8705. MDIO_PMA_DEVAD,
  8706. MDIO_PMA_REG_8481_LED3_MASK,
  8707. 0x20);
  8708. bnx2x_cl45_write(bp, phy,
  8709. MDIO_PMA_DEVAD,
  8710. MDIO_PMA_REG_8481_LED5_MASK,
  8711. 0x0);
  8712. } else {
  8713. bnx2x_cl45_write(bp, phy,
  8714. MDIO_PMA_DEVAD,
  8715. MDIO_PMA_REG_8481_LED1_MASK,
  8716. 0x20);
  8717. }
  8718. break;
  8719. case LED_MODE_OPER:
  8720. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8721. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8722. SHARED_HW_CFG_LED_EXTPHY1) {
  8723. /* Set control reg */
  8724. bnx2x_cl45_read(bp, phy,
  8725. MDIO_PMA_DEVAD,
  8726. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8727. &val);
  8728. if (!((val &
  8729. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8730. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8731. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8732. bnx2x_cl45_write(bp, phy,
  8733. MDIO_PMA_DEVAD,
  8734. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8735. 0xa492);
  8736. }
  8737. /* Set LED masks */
  8738. bnx2x_cl45_write(bp, phy,
  8739. MDIO_PMA_DEVAD,
  8740. MDIO_PMA_REG_8481_LED1_MASK,
  8741. 0x10);
  8742. bnx2x_cl45_write(bp, phy,
  8743. MDIO_PMA_DEVAD,
  8744. MDIO_PMA_REG_8481_LED2_MASK,
  8745. 0x80);
  8746. bnx2x_cl45_write(bp, phy,
  8747. MDIO_PMA_DEVAD,
  8748. MDIO_PMA_REG_8481_LED3_MASK,
  8749. 0x98);
  8750. bnx2x_cl45_write(bp, phy,
  8751. MDIO_PMA_DEVAD,
  8752. MDIO_PMA_REG_8481_LED5_MASK,
  8753. 0x40);
  8754. } else {
  8755. bnx2x_cl45_write(bp, phy,
  8756. MDIO_PMA_DEVAD,
  8757. MDIO_PMA_REG_8481_LED1_MASK,
  8758. 0x80);
  8759. /* Tell LED3 to blink on source */
  8760. bnx2x_cl45_read(bp, phy,
  8761. MDIO_PMA_DEVAD,
  8762. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8763. &val);
  8764. val &= ~(7<<6);
  8765. val |= (1<<6); /* A83B[8:6]= 1 */
  8766. bnx2x_cl45_write(bp, phy,
  8767. MDIO_PMA_DEVAD,
  8768. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8769. val);
  8770. }
  8771. break;
  8772. }
  8773. /*
  8774. * This is a workaround for E3+84833 until autoneg
  8775. * restart is fixed in f/w
  8776. */
  8777. if (CHIP_IS_E3(bp)) {
  8778. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8779. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8780. }
  8781. }
  8782. /******************************************************************/
  8783. /* 54618SE PHY SECTION */
  8784. /******************************************************************/
  8785. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8786. struct link_params *params,
  8787. struct link_vars *vars)
  8788. {
  8789. struct bnx2x *bp = params->bp;
  8790. u8 port;
  8791. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8792. u32 cfg_pin;
  8793. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8794. usleep_range(1000, 1000);
  8795. /* This works with E3 only, no need to check the chip
  8796. before determining the port. */
  8797. port = params->port;
  8798. cfg_pin = (REG_RD(bp, params->shmem_base +
  8799. offsetof(struct shmem_region,
  8800. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8801. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8802. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8803. /* Drive pin high to bring the GPHY out of reset. */
  8804. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8805. /* wait for GPHY to reset */
  8806. msleep(50);
  8807. /* reset phy */
  8808. bnx2x_cl22_write(bp, phy,
  8809. MDIO_PMA_REG_CTRL, 0x8000);
  8810. bnx2x_wait_reset_complete(bp, phy, params);
  8811. /*wait for GPHY to reset */
  8812. msleep(50);
  8813. /* Configure LED4: set to INTR (0x6). */
  8814. /* Accessing shadow register 0xe. */
  8815. bnx2x_cl22_write(bp, phy,
  8816. MDIO_REG_GPHY_SHADOW,
  8817. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8818. bnx2x_cl22_read(bp, phy,
  8819. MDIO_REG_GPHY_SHADOW,
  8820. &temp);
  8821. temp &= ~(0xf << 4);
  8822. temp |= (0x6 << 4);
  8823. bnx2x_cl22_write(bp, phy,
  8824. MDIO_REG_GPHY_SHADOW,
  8825. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8826. /* Configure INTR based on link status change. */
  8827. bnx2x_cl22_write(bp, phy,
  8828. MDIO_REG_INTR_MASK,
  8829. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8830. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8831. bnx2x_cl22_write(bp, phy,
  8832. MDIO_REG_GPHY_SHADOW,
  8833. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8834. bnx2x_cl22_read(bp, phy,
  8835. MDIO_REG_GPHY_SHADOW,
  8836. &temp);
  8837. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8838. bnx2x_cl22_write(bp, phy,
  8839. MDIO_REG_GPHY_SHADOW,
  8840. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8841. /* Set up fc */
  8842. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8843. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8844. fc_val = 0;
  8845. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8846. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8847. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8848. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8849. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8850. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8851. /* read all advertisement */
  8852. bnx2x_cl22_read(bp, phy,
  8853. 0x09,
  8854. &an_1000_val);
  8855. bnx2x_cl22_read(bp, phy,
  8856. 0x04,
  8857. &an_10_100_val);
  8858. bnx2x_cl22_read(bp, phy,
  8859. MDIO_PMA_REG_CTRL,
  8860. &autoneg_val);
  8861. /* Disable forced speed */
  8862. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8863. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8864. (1<<11));
  8865. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8866. (phy->speed_cap_mask &
  8867. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8868. (phy->req_line_speed == SPEED_1000)) {
  8869. an_1000_val |= (1<<8);
  8870. autoneg_val |= (1<<9 | 1<<12);
  8871. if (phy->req_duplex == DUPLEX_FULL)
  8872. an_1000_val |= (1<<9);
  8873. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8874. } else
  8875. an_1000_val &= ~((1<<8) | (1<<9));
  8876. bnx2x_cl22_write(bp, phy,
  8877. 0x09,
  8878. an_1000_val);
  8879. bnx2x_cl22_read(bp, phy,
  8880. 0x09,
  8881. &an_1000_val);
  8882. /* set 100 speed advertisement */
  8883. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8884. (phy->speed_cap_mask &
  8885. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8886. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8887. an_10_100_val |= (1<<7);
  8888. /* Enable autoneg and restart autoneg for legacy speeds */
  8889. autoneg_val |= (1<<9 | 1<<12);
  8890. if (phy->req_duplex == DUPLEX_FULL)
  8891. an_10_100_val |= (1<<8);
  8892. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8893. }
  8894. /* set 10 speed advertisement */
  8895. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8896. (phy->speed_cap_mask &
  8897. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8898. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8899. an_10_100_val |= (1<<5);
  8900. autoneg_val |= (1<<9 | 1<<12);
  8901. if (phy->req_duplex == DUPLEX_FULL)
  8902. an_10_100_val |= (1<<6);
  8903. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8904. }
  8905. /* Only 10/100 are allowed to work in FORCE mode */
  8906. if (phy->req_line_speed == SPEED_100) {
  8907. autoneg_val |= (1<<13);
  8908. /* Enabled AUTO-MDIX when autoneg is disabled */
  8909. bnx2x_cl22_write(bp, phy,
  8910. 0x18,
  8911. (1<<15 | 1<<9 | 7<<0));
  8912. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8913. }
  8914. if (phy->req_line_speed == SPEED_10) {
  8915. /* Enabled AUTO-MDIX when autoneg is disabled */
  8916. bnx2x_cl22_write(bp, phy,
  8917. 0x18,
  8918. (1<<15 | 1<<9 | 7<<0));
  8919. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8920. }
  8921. /* Check if we should turn on Auto-GrEEEn */
  8922. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  8923. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  8924. if (params->feature_config_flags &
  8925. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8926. temp = 6;
  8927. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  8928. } else {
  8929. temp = 0;
  8930. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  8931. }
  8932. bnx2x_cl22_write(bp, phy,
  8933. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  8934. bnx2x_cl22_write(bp, phy,
  8935. MDIO_REG_GPHY_CL45_DATA_REG,
  8936. MDIO_REG_GPHY_EEE_ADV);
  8937. bnx2x_cl22_write(bp, phy,
  8938. MDIO_REG_GPHY_CL45_ADDR_REG,
  8939. (0x1 << 14) | MDIO_AN_DEVAD);
  8940. bnx2x_cl22_write(bp, phy,
  8941. MDIO_REG_GPHY_CL45_DATA_REG,
  8942. temp);
  8943. }
  8944. bnx2x_cl22_write(bp, phy,
  8945. 0x04,
  8946. an_10_100_val | fc_val);
  8947. if (phy->req_duplex == DUPLEX_FULL)
  8948. autoneg_val |= (1<<8);
  8949. bnx2x_cl22_write(bp, phy,
  8950. MDIO_PMA_REG_CTRL, autoneg_val);
  8951. return 0;
  8952. }
  8953. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  8954. struct link_params *params, u8 mode)
  8955. {
  8956. struct bnx2x *bp = params->bp;
  8957. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  8958. switch (mode) {
  8959. case LED_MODE_FRONT_PANEL_OFF:
  8960. case LED_MODE_OFF:
  8961. case LED_MODE_OPER:
  8962. case LED_MODE_ON:
  8963. default:
  8964. break;
  8965. }
  8966. return;
  8967. }
  8968. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  8969. struct link_params *params)
  8970. {
  8971. struct bnx2x *bp = params->bp;
  8972. u32 cfg_pin;
  8973. u8 port;
  8974. /* This works with E3 only, no need to check the chip
  8975. before determining the port. */
  8976. port = params->port;
  8977. cfg_pin = (REG_RD(bp, params->shmem_base +
  8978. offsetof(struct shmem_region,
  8979. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8980. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8981. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8982. /* Drive pin low to put GPHY in reset. */
  8983. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  8984. }
  8985. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  8986. struct link_params *params,
  8987. struct link_vars *vars)
  8988. {
  8989. struct bnx2x *bp = params->bp;
  8990. u16 val;
  8991. u8 link_up = 0;
  8992. u16 legacy_status, legacy_speed;
  8993. /* Get speed operation status */
  8994. bnx2x_cl22_read(bp, phy,
  8995. 0x19,
  8996. &legacy_status);
  8997. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  8998. /* Read status to clear the PHY interrupt. */
  8999. bnx2x_cl22_read(bp, phy,
  9000. MDIO_REG_INTR_STATUS,
  9001. &val);
  9002. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9003. if (link_up) {
  9004. legacy_speed = (legacy_status & (7<<8));
  9005. if (legacy_speed == (7<<8)) {
  9006. vars->line_speed = SPEED_1000;
  9007. vars->duplex = DUPLEX_FULL;
  9008. } else if (legacy_speed == (6<<8)) {
  9009. vars->line_speed = SPEED_1000;
  9010. vars->duplex = DUPLEX_HALF;
  9011. } else if (legacy_speed == (5<<8)) {
  9012. vars->line_speed = SPEED_100;
  9013. vars->duplex = DUPLEX_FULL;
  9014. }
  9015. /* Omitting 100Base-T4 for now */
  9016. else if (legacy_speed == (3<<8)) {
  9017. vars->line_speed = SPEED_100;
  9018. vars->duplex = DUPLEX_HALF;
  9019. } else if (legacy_speed == (2<<8)) {
  9020. vars->line_speed = SPEED_10;
  9021. vars->duplex = DUPLEX_FULL;
  9022. } else if (legacy_speed == (1<<8)) {
  9023. vars->line_speed = SPEED_10;
  9024. vars->duplex = DUPLEX_HALF;
  9025. } else /* Should not happen */
  9026. vars->line_speed = 0;
  9027. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  9028. " is_duplex_full= %d\n", vars->line_speed,
  9029. (vars->duplex == DUPLEX_FULL));
  9030. /* Check legacy speed AN resolution */
  9031. bnx2x_cl22_read(bp, phy,
  9032. 0x01,
  9033. &val);
  9034. if (val & (1<<5))
  9035. vars->link_status |=
  9036. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9037. bnx2x_cl22_read(bp, phy,
  9038. 0x06,
  9039. &val);
  9040. if ((val & (1<<0)) == 0)
  9041. vars->link_status |=
  9042. LINK_STATUS_PARALLEL_DETECTION_USED;
  9043. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9044. vars->line_speed);
  9045. /* Report whether EEE is resolved. */
  9046. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9047. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9048. if (vars->link_status &
  9049. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9050. val = 0;
  9051. else {
  9052. bnx2x_cl22_write(bp, phy,
  9053. MDIO_REG_GPHY_CL45_ADDR_REG,
  9054. MDIO_AN_DEVAD);
  9055. bnx2x_cl22_write(bp, phy,
  9056. MDIO_REG_GPHY_CL45_DATA_REG,
  9057. MDIO_REG_GPHY_EEE_RESOLVED);
  9058. bnx2x_cl22_write(bp, phy,
  9059. MDIO_REG_GPHY_CL45_ADDR_REG,
  9060. (0x1 << 14) | MDIO_AN_DEVAD);
  9061. bnx2x_cl22_read(bp, phy,
  9062. MDIO_REG_GPHY_CL45_DATA_REG,
  9063. &val);
  9064. }
  9065. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9066. }
  9067. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9068. }
  9069. return link_up;
  9070. }
  9071. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9072. struct link_params *params)
  9073. {
  9074. struct bnx2x *bp = params->bp;
  9075. u16 val;
  9076. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9077. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9078. /* Enable master/slave manual mmode and set to master */
  9079. /* mii write 9 [bits set 11 12] */
  9080. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9081. /* forced 1G and disable autoneg */
  9082. /* set val [mii read 0] */
  9083. /* set val [expr $val & [bits clear 6 12 13]] */
  9084. /* set val [expr $val | [bits set 6 8]] */
  9085. /* mii write 0 $val */
  9086. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9087. val &= ~((1<<6) | (1<<12) | (1<<13));
  9088. val |= (1<<6) | (1<<8);
  9089. bnx2x_cl22_write(bp, phy, 0x00, val);
  9090. /* Set external loopback and Tx using 6dB coding */
  9091. /* mii write 0x18 7 */
  9092. /* set val [mii read 0x18] */
  9093. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9094. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9095. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9096. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9097. /* This register opens the gate for the UMAC despite its name */
  9098. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9099. /*
  9100. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9101. * length used by the MAC receive logic to check frames.
  9102. */
  9103. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9104. }
  9105. /******************************************************************/
  9106. /* SFX7101 PHY SECTION */
  9107. /******************************************************************/
  9108. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9109. struct link_params *params)
  9110. {
  9111. struct bnx2x *bp = params->bp;
  9112. /* SFX7101_XGXS_TEST1 */
  9113. bnx2x_cl45_write(bp, phy,
  9114. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9115. }
  9116. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9117. struct link_params *params,
  9118. struct link_vars *vars)
  9119. {
  9120. u16 fw_ver1, fw_ver2, val;
  9121. struct bnx2x *bp = params->bp;
  9122. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9123. /* Restore normal power mode*/
  9124. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9125. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9126. /* HW reset */
  9127. bnx2x_ext_phy_hw_reset(bp, params->port);
  9128. bnx2x_wait_reset_complete(bp, phy, params);
  9129. bnx2x_cl45_write(bp, phy,
  9130. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9131. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9132. bnx2x_cl45_write(bp, phy,
  9133. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9134. bnx2x_ext_phy_set_pause(params, phy, vars);
  9135. /* Restart autoneg */
  9136. bnx2x_cl45_read(bp, phy,
  9137. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9138. val |= 0x200;
  9139. bnx2x_cl45_write(bp, phy,
  9140. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9141. /* Save spirom version */
  9142. bnx2x_cl45_read(bp, phy,
  9143. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9144. bnx2x_cl45_read(bp, phy,
  9145. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9146. bnx2x_save_spirom_version(bp, params->port,
  9147. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9148. return 0;
  9149. }
  9150. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9151. struct link_params *params,
  9152. struct link_vars *vars)
  9153. {
  9154. struct bnx2x *bp = params->bp;
  9155. u8 link_up;
  9156. u16 val1, val2;
  9157. bnx2x_cl45_read(bp, phy,
  9158. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9159. bnx2x_cl45_read(bp, phy,
  9160. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9161. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9162. val2, val1);
  9163. bnx2x_cl45_read(bp, phy,
  9164. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9165. bnx2x_cl45_read(bp, phy,
  9166. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9167. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9168. val2, val1);
  9169. link_up = ((val1 & 4) == 4);
  9170. /* if link is up print the AN outcome of the SFX7101 PHY */
  9171. if (link_up) {
  9172. bnx2x_cl45_read(bp, phy,
  9173. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9174. &val2);
  9175. vars->line_speed = SPEED_10000;
  9176. vars->duplex = DUPLEX_FULL;
  9177. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9178. val2, (val2 & (1<<14)));
  9179. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9180. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9181. }
  9182. return link_up;
  9183. }
  9184. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9185. {
  9186. if (*len < 5)
  9187. return -EINVAL;
  9188. str[0] = (spirom_ver & 0xFF);
  9189. str[1] = (spirom_ver & 0xFF00) >> 8;
  9190. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9191. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9192. str[4] = '\0';
  9193. *len -= 5;
  9194. return 0;
  9195. }
  9196. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9197. {
  9198. u16 val, cnt;
  9199. bnx2x_cl45_read(bp, phy,
  9200. MDIO_PMA_DEVAD,
  9201. MDIO_PMA_REG_7101_RESET, &val);
  9202. for (cnt = 0; cnt < 10; cnt++) {
  9203. msleep(50);
  9204. /* Writes a self-clearing reset */
  9205. bnx2x_cl45_write(bp, phy,
  9206. MDIO_PMA_DEVAD,
  9207. MDIO_PMA_REG_7101_RESET,
  9208. (val | (1<<15)));
  9209. /* Wait for clear */
  9210. bnx2x_cl45_read(bp, phy,
  9211. MDIO_PMA_DEVAD,
  9212. MDIO_PMA_REG_7101_RESET, &val);
  9213. if ((val & (1<<15)) == 0)
  9214. break;
  9215. }
  9216. }
  9217. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9218. struct link_params *params) {
  9219. /* Low power mode is controlled by GPIO 2 */
  9220. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9221. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9222. /* The PHY reset is controlled by GPIO 1 */
  9223. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9224. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9225. }
  9226. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9227. struct link_params *params, u8 mode)
  9228. {
  9229. u16 val = 0;
  9230. struct bnx2x *bp = params->bp;
  9231. switch (mode) {
  9232. case LED_MODE_FRONT_PANEL_OFF:
  9233. case LED_MODE_OFF:
  9234. val = 2;
  9235. break;
  9236. case LED_MODE_ON:
  9237. val = 1;
  9238. break;
  9239. case LED_MODE_OPER:
  9240. val = 0;
  9241. break;
  9242. }
  9243. bnx2x_cl45_write(bp, phy,
  9244. MDIO_PMA_DEVAD,
  9245. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9246. val);
  9247. }
  9248. /******************************************************************/
  9249. /* STATIC PHY DECLARATION */
  9250. /******************************************************************/
  9251. static struct bnx2x_phy phy_null = {
  9252. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9253. .addr = 0,
  9254. .def_md_devad = 0,
  9255. .flags = FLAGS_INIT_XGXS_FIRST,
  9256. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9257. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9258. .mdio_ctrl = 0,
  9259. .supported = 0,
  9260. .media_type = ETH_PHY_NOT_PRESENT,
  9261. .ver_addr = 0,
  9262. .req_flow_ctrl = 0,
  9263. .req_line_speed = 0,
  9264. .speed_cap_mask = 0,
  9265. .req_duplex = 0,
  9266. .rsrv = 0,
  9267. .config_init = (config_init_t)NULL,
  9268. .read_status = (read_status_t)NULL,
  9269. .link_reset = (link_reset_t)NULL,
  9270. .config_loopback = (config_loopback_t)NULL,
  9271. .format_fw_ver = (format_fw_ver_t)NULL,
  9272. .hw_reset = (hw_reset_t)NULL,
  9273. .set_link_led = (set_link_led_t)NULL,
  9274. .phy_specific_func = (phy_specific_func_t)NULL
  9275. };
  9276. static struct bnx2x_phy phy_serdes = {
  9277. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9278. .addr = 0xff,
  9279. .def_md_devad = 0,
  9280. .flags = 0,
  9281. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9282. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9283. .mdio_ctrl = 0,
  9284. .supported = (SUPPORTED_10baseT_Half |
  9285. SUPPORTED_10baseT_Full |
  9286. SUPPORTED_100baseT_Half |
  9287. SUPPORTED_100baseT_Full |
  9288. SUPPORTED_1000baseT_Full |
  9289. SUPPORTED_2500baseX_Full |
  9290. SUPPORTED_TP |
  9291. SUPPORTED_Autoneg |
  9292. SUPPORTED_Pause |
  9293. SUPPORTED_Asym_Pause),
  9294. .media_type = ETH_PHY_BASE_T,
  9295. .ver_addr = 0,
  9296. .req_flow_ctrl = 0,
  9297. .req_line_speed = 0,
  9298. .speed_cap_mask = 0,
  9299. .req_duplex = 0,
  9300. .rsrv = 0,
  9301. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9302. .read_status = (read_status_t)bnx2x_link_settings_status,
  9303. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9304. .config_loopback = (config_loopback_t)NULL,
  9305. .format_fw_ver = (format_fw_ver_t)NULL,
  9306. .hw_reset = (hw_reset_t)NULL,
  9307. .set_link_led = (set_link_led_t)NULL,
  9308. .phy_specific_func = (phy_specific_func_t)NULL
  9309. };
  9310. static struct bnx2x_phy phy_xgxs = {
  9311. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9312. .addr = 0xff,
  9313. .def_md_devad = 0,
  9314. .flags = 0,
  9315. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9316. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9317. .mdio_ctrl = 0,
  9318. .supported = (SUPPORTED_10baseT_Half |
  9319. SUPPORTED_10baseT_Full |
  9320. SUPPORTED_100baseT_Half |
  9321. SUPPORTED_100baseT_Full |
  9322. SUPPORTED_1000baseT_Full |
  9323. SUPPORTED_2500baseX_Full |
  9324. SUPPORTED_10000baseT_Full |
  9325. SUPPORTED_FIBRE |
  9326. SUPPORTED_Autoneg |
  9327. SUPPORTED_Pause |
  9328. SUPPORTED_Asym_Pause),
  9329. .media_type = ETH_PHY_CX4,
  9330. .ver_addr = 0,
  9331. .req_flow_ctrl = 0,
  9332. .req_line_speed = 0,
  9333. .speed_cap_mask = 0,
  9334. .req_duplex = 0,
  9335. .rsrv = 0,
  9336. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9337. .read_status = (read_status_t)bnx2x_link_settings_status,
  9338. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9339. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9340. .format_fw_ver = (format_fw_ver_t)NULL,
  9341. .hw_reset = (hw_reset_t)NULL,
  9342. .set_link_led = (set_link_led_t)NULL,
  9343. .phy_specific_func = (phy_specific_func_t)NULL
  9344. };
  9345. static struct bnx2x_phy phy_warpcore = {
  9346. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9347. .addr = 0xff,
  9348. .def_md_devad = 0,
  9349. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9350. FLAGS_TX_ERROR_CHECK),
  9351. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9352. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9353. .mdio_ctrl = 0,
  9354. .supported = (SUPPORTED_10baseT_Half |
  9355. SUPPORTED_10baseT_Full |
  9356. SUPPORTED_100baseT_Half |
  9357. SUPPORTED_100baseT_Full |
  9358. SUPPORTED_1000baseT_Full |
  9359. SUPPORTED_10000baseT_Full |
  9360. SUPPORTED_20000baseKR2_Full |
  9361. SUPPORTED_20000baseMLD2_Full |
  9362. SUPPORTED_FIBRE |
  9363. SUPPORTED_Autoneg |
  9364. SUPPORTED_Pause |
  9365. SUPPORTED_Asym_Pause),
  9366. .media_type = ETH_PHY_UNSPECIFIED,
  9367. .ver_addr = 0,
  9368. .req_flow_ctrl = 0,
  9369. .req_line_speed = 0,
  9370. .speed_cap_mask = 0,
  9371. /* req_duplex = */0,
  9372. /* rsrv = */0,
  9373. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9374. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9375. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9376. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9377. .format_fw_ver = (format_fw_ver_t)NULL,
  9378. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9379. .set_link_led = (set_link_led_t)NULL,
  9380. .phy_specific_func = (phy_specific_func_t)NULL
  9381. };
  9382. static struct bnx2x_phy phy_7101 = {
  9383. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9384. .addr = 0xff,
  9385. .def_md_devad = 0,
  9386. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9387. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9388. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9389. .mdio_ctrl = 0,
  9390. .supported = (SUPPORTED_10000baseT_Full |
  9391. SUPPORTED_TP |
  9392. SUPPORTED_Autoneg |
  9393. SUPPORTED_Pause |
  9394. SUPPORTED_Asym_Pause),
  9395. .media_type = ETH_PHY_BASE_T,
  9396. .ver_addr = 0,
  9397. .req_flow_ctrl = 0,
  9398. .req_line_speed = 0,
  9399. .speed_cap_mask = 0,
  9400. .req_duplex = 0,
  9401. .rsrv = 0,
  9402. .config_init = (config_init_t)bnx2x_7101_config_init,
  9403. .read_status = (read_status_t)bnx2x_7101_read_status,
  9404. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9405. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9406. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9407. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9408. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9409. .phy_specific_func = (phy_specific_func_t)NULL
  9410. };
  9411. static struct bnx2x_phy phy_8073 = {
  9412. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9413. .addr = 0xff,
  9414. .def_md_devad = 0,
  9415. .flags = FLAGS_HW_LOCK_REQUIRED,
  9416. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9417. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9418. .mdio_ctrl = 0,
  9419. .supported = (SUPPORTED_10000baseT_Full |
  9420. SUPPORTED_2500baseX_Full |
  9421. SUPPORTED_1000baseT_Full |
  9422. SUPPORTED_FIBRE |
  9423. SUPPORTED_Autoneg |
  9424. SUPPORTED_Pause |
  9425. SUPPORTED_Asym_Pause),
  9426. .media_type = ETH_PHY_KR,
  9427. .ver_addr = 0,
  9428. .req_flow_ctrl = 0,
  9429. .req_line_speed = 0,
  9430. .speed_cap_mask = 0,
  9431. .req_duplex = 0,
  9432. .rsrv = 0,
  9433. .config_init = (config_init_t)bnx2x_8073_config_init,
  9434. .read_status = (read_status_t)bnx2x_8073_read_status,
  9435. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9436. .config_loopback = (config_loopback_t)NULL,
  9437. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9438. .hw_reset = (hw_reset_t)NULL,
  9439. .set_link_led = (set_link_led_t)NULL,
  9440. .phy_specific_func = (phy_specific_func_t)NULL
  9441. };
  9442. static struct bnx2x_phy phy_8705 = {
  9443. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9444. .addr = 0xff,
  9445. .def_md_devad = 0,
  9446. .flags = FLAGS_INIT_XGXS_FIRST,
  9447. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9448. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9449. .mdio_ctrl = 0,
  9450. .supported = (SUPPORTED_10000baseT_Full |
  9451. SUPPORTED_FIBRE |
  9452. SUPPORTED_Pause |
  9453. SUPPORTED_Asym_Pause),
  9454. .media_type = ETH_PHY_XFP_FIBER,
  9455. .ver_addr = 0,
  9456. .req_flow_ctrl = 0,
  9457. .req_line_speed = 0,
  9458. .speed_cap_mask = 0,
  9459. .req_duplex = 0,
  9460. .rsrv = 0,
  9461. .config_init = (config_init_t)bnx2x_8705_config_init,
  9462. .read_status = (read_status_t)bnx2x_8705_read_status,
  9463. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9464. .config_loopback = (config_loopback_t)NULL,
  9465. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9466. .hw_reset = (hw_reset_t)NULL,
  9467. .set_link_led = (set_link_led_t)NULL,
  9468. .phy_specific_func = (phy_specific_func_t)NULL
  9469. };
  9470. static struct bnx2x_phy phy_8706 = {
  9471. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9472. .addr = 0xff,
  9473. .def_md_devad = 0,
  9474. .flags = (FLAGS_INIT_XGXS_FIRST |
  9475. FLAGS_TX_ERROR_CHECK),
  9476. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9477. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9478. .mdio_ctrl = 0,
  9479. .supported = (SUPPORTED_10000baseT_Full |
  9480. SUPPORTED_1000baseT_Full |
  9481. SUPPORTED_FIBRE |
  9482. SUPPORTED_Pause |
  9483. SUPPORTED_Asym_Pause),
  9484. .media_type = ETH_PHY_SFP_FIBER,
  9485. .ver_addr = 0,
  9486. .req_flow_ctrl = 0,
  9487. .req_line_speed = 0,
  9488. .speed_cap_mask = 0,
  9489. .req_duplex = 0,
  9490. .rsrv = 0,
  9491. .config_init = (config_init_t)bnx2x_8706_config_init,
  9492. .read_status = (read_status_t)bnx2x_8706_read_status,
  9493. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9494. .config_loopback = (config_loopback_t)NULL,
  9495. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9496. .hw_reset = (hw_reset_t)NULL,
  9497. .set_link_led = (set_link_led_t)NULL,
  9498. .phy_specific_func = (phy_specific_func_t)NULL
  9499. };
  9500. static struct bnx2x_phy phy_8726 = {
  9501. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9502. .addr = 0xff,
  9503. .def_md_devad = 0,
  9504. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9505. FLAGS_INIT_XGXS_FIRST |
  9506. FLAGS_TX_ERROR_CHECK),
  9507. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9508. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9509. .mdio_ctrl = 0,
  9510. .supported = (SUPPORTED_10000baseT_Full |
  9511. SUPPORTED_1000baseT_Full |
  9512. SUPPORTED_Autoneg |
  9513. SUPPORTED_FIBRE |
  9514. SUPPORTED_Pause |
  9515. SUPPORTED_Asym_Pause),
  9516. .media_type = ETH_PHY_NOT_PRESENT,
  9517. .ver_addr = 0,
  9518. .req_flow_ctrl = 0,
  9519. .req_line_speed = 0,
  9520. .speed_cap_mask = 0,
  9521. .req_duplex = 0,
  9522. .rsrv = 0,
  9523. .config_init = (config_init_t)bnx2x_8726_config_init,
  9524. .read_status = (read_status_t)bnx2x_8726_read_status,
  9525. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9526. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9527. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9528. .hw_reset = (hw_reset_t)NULL,
  9529. .set_link_led = (set_link_led_t)NULL,
  9530. .phy_specific_func = (phy_specific_func_t)NULL
  9531. };
  9532. static struct bnx2x_phy phy_8727 = {
  9533. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9534. .addr = 0xff,
  9535. .def_md_devad = 0,
  9536. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9537. FLAGS_TX_ERROR_CHECK),
  9538. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9539. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9540. .mdio_ctrl = 0,
  9541. .supported = (SUPPORTED_10000baseT_Full |
  9542. SUPPORTED_1000baseT_Full |
  9543. SUPPORTED_FIBRE |
  9544. SUPPORTED_Pause |
  9545. SUPPORTED_Asym_Pause),
  9546. .media_type = ETH_PHY_NOT_PRESENT,
  9547. .ver_addr = 0,
  9548. .req_flow_ctrl = 0,
  9549. .req_line_speed = 0,
  9550. .speed_cap_mask = 0,
  9551. .req_duplex = 0,
  9552. .rsrv = 0,
  9553. .config_init = (config_init_t)bnx2x_8727_config_init,
  9554. .read_status = (read_status_t)bnx2x_8727_read_status,
  9555. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9556. .config_loopback = (config_loopback_t)NULL,
  9557. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9558. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9559. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9560. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9561. };
  9562. static struct bnx2x_phy phy_8481 = {
  9563. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9564. .addr = 0xff,
  9565. .def_md_devad = 0,
  9566. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9567. FLAGS_REARM_LATCH_SIGNAL,
  9568. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9569. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9570. .mdio_ctrl = 0,
  9571. .supported = (SUPPORTED_10baseT_Half |
  9572. SUPPORTED_10baseT_Full |
  9573. SUPPORTED_100baseT_Half |
  9574. SUPPORTED_100baseT_Full |
  9575. SUPPORTED_1000baseT_Full |
  9576. SUPPORTED_10000baseT_Full |
  9577. SUPPORTED_TP |
  9578. SUPPORTED_Autoneg |
  9579. SUPPORTED_Pause |
  9580. SUPPORTED_Asym_Pause),
  9581. .media_type = ETH_PHY_BASE_T,
  9582. .ver_addr = 0,
  9583. .req_flow_ctrl = 0,
  9584. .req_line_speed = 0,
  9585. .speed_cap_mask = 0,
  9586. .req_duplex = 0,
  9587. .rsrv = 0,
  9588. .config_init = (config_init_t)bnx2x_8481_config_init,
  9589. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9590. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9591. .config_loopback = (config_loopback_t)NULL,
  9592. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9593. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9594. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9595. .phy_specific_func = (phy_specific_func_t)NULL
  9596. };
  9597. static struct bnx2x_phy phy_84823 = {
  9598. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9599. .addr = 0xff,
  9600. .def_md_devad = 0,
  9601. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9602. FLAGS_REARM_LATCH_SIGNAL,
  9603. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9604. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9605. .mdio_ctrl = 0,
  9606. .supported = (SUPPORTED_10baseT_Half |
  9607. SUPPORTED_10baseT_Full |
  9608. SUPPORTED_100baseT_Half |
  9609. SUPPORTED_100baseT_Full |
  9610. SUPPORTED_1000baseT_Full |
  9611. SUPPORTED_10000baseT_Full |
  9612. SUPPORTED_TP |
  9613. SUPPORTED_Autoneg |
  9614. SUPPORTED_Pause |
  9615. SUPPORTED_Asym_Pause),
  9616. .media_type = ETH_PHY_BASE_T,
  9617. .ver_addr = 0,
  9618. .req_flow_ctrl = 0,
  9619. .req_line_speed = 0,
  9620. .speed_cap_mask = 0,
  9621. .req_duplex = 0,
  9622. .rsrv = 0,
  9623. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9624. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9625. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9626. .config_loopback = (config_loopback_t)NULL,
  9627. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9628. .hw_reset = (hw_reset_t)NULL,
  9629. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9630. .phy_specific_func = (phy_specific_func_t)NULL
  9631. };
  9632. static struct bnx2x_phy phy_84833 = {
  9633. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9634. .addr = 0xff,
  9635. .def_md_devad = 0,
  9636. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9637. FLAGS_REARM_LATCH_SIGNAL,
  9638. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9639. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9640. .mdio_ctrl = 0,
  9641. .supported = (SUPPORTED_100baseT_Half |
  9642. SUPPORTED_100baseT_Full |
  9643. SUPPORTED_1000baseT_Full |
  9644. SUPPORTED_10000baseT_Full |
  9645. SUPPORTED_TP |
  9646. SUPPORTED_Autoneg |
  9647. SUPPORTED_Pause |
  9648. SUPPORTED_Asym_Pause),
  9649. .media_type = ETH_PHY_BASE_T,
  9650. .ver_addr = 0,
  9651. .req_flow_ctrl = 0,
  9652. .req_line_speed = 0,
  9653. .speed_cap_mask = 0,
  9654. .req_duplex = 0,
  9655. .rsrv = 0,
  9656. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9657. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9658. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9659. .config_loopback = (config_loopback_t)NULL,
  9660. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9661. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9662. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9663. .phy_specific_func = (phy_specific_func_t)NULL
  9664. };
  9665. static struct bnx2x_phy phy_54618se = {
  9666. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9667. .addr = 0xff,
  9668. .def_md_devad = 0,
  9669. .flags = FLAGS_INIT_XGXS_FIRST,
  9670. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9671. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9672. .mdio_ctrl = 0,
  9673. .supported = (SUPPORTED_10baseT_Half |
  9674. SUPPORTED_10baseT_Full |
  9675. SUPPORTED_100baseT_Half |
  9676. SUPPORTED_100baseT_Full |
  9677. SUPPORTED_1000baseT_Full |
  9678. SUPPORTED_TP |
  9679. SUPPORTED_Autoneg |
  9680. SUPPORTED_Pause |
  9681. SUPPORTED_Asym_Pause),
  9682. .media_type = ETH_PHY_BASE_T,
  9683. .ver_addr = 0,
  9684. .req_flow_ctrl = 0,
  9685. .req_line_speed = 0,
  9686. .speed_cap_mask = 0,
  9687. /* req_duplex = */0,
  9688. /* rsrv = */0,
  9689. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9690. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9691. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9692. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9693. .format_fw_ver = (format_fw_ver_t)NULL,
  9694. .hw_reset = (hw_reset_t)NULL,
  9695. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9696. .phy_specific_func = (phy_specific_func_t)NULL
  9697. };
  9698. /*****************************************************************/
  9699. /* */
  9700. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9701. /* */
  9702. /*****************************************************************/
  9703. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9704. struct bnx2x_phy *phy, u8 port,
  9705. u8 phy_index)
  9706. {
  9707. /* Get the 4 lanes xgxs config rx and tx */
  9708. u32 rx = 0, tx = 0, i;
  9709. for (i = 0; i < 2; i++) {
  9710. /*
  9711. * INT_PHY and EXT_PHY1 share the same value location in the
  9712. * shmem. When num_phys is greater than 1, than this value
  9713. * applies only to EXT_PHY1
  9714. */
  9715. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9716. rx = REG_RD(bp, shmem_base +
  9717. offsetof(struct shmem_region,
  9718. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9719. tx = REG_RD(bp, shmem_base +
  9720. offsetof(struct shmem_region,
  9721. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9722. } else {
  9723. rx = REG_RD(bp, shmem_base +
  9724. offsetof(struct shmem_region,
  9725. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9726. tx = REG_RD(bp, shmem_base +
  9727. offsetof(struct shmem_region,
  9728. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9729. }
  9730. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9731. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9732. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9733. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9734. }
  9735. }
  9736. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9737. u8 phy_index, u8 port)
  9738. {
  9739. u32 ext_phy_config = 0;
  9740. switch (phy_index) {
  9741. case EXT_PHY1:
  9742. ext_phy_config = REG_RD(bp, shmem_base +
  9743. offsetof(struct shmem_region,
  9744. dev_info.port_hw_config[port].external_phy_config));
  9745. break;
  9746. case EXT_PHY2:
  9747. ext_phy_config = REG_RD(bp, shmem_base +
  9748. offsetof(struct shmem_region,
  9749. dev_info.port_hw_config[port].external_phy_config2));
  9750. break;
  9751. default:
  9752. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9753. return -EINVAL;
  9754. }
  9755. return ext_phy_config;
  9756. }
  9757. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9758. struct bnx2x_phy *phy)
  9759. {
  9760. u32 phy_addr;
  9761. u32 chip_id;
  9762. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9763. offsetof(struct shmem_region,
  9764. dev_info.port_feature_config[port].link_config)) &
  9765. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9766. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9767. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9768. if (USES_WARPCORE(bp)) {
  9769. u32 serdes_net_if;
  9770. phy_addr = REG_RD(bp,
  9771. MISC_REG_WC0_CTRL_PHY_ADDR);
  9772. *phy = phy_warpcore;
  9773. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9774. phy->flags |= FLAGS_4_PORT_MODE;
  9775. else
  9776. phy->flags &= ~FLAGS_4_PORT_MODE;
  9777. /* Check Dual mode */
  9778. serdes_net_if = (REG_RD(bp, shmem_base +
  9779. offsetof(struct shmem_region, dev_info.
  9780. port_hw_config[port].default_cfg)) &
  9781. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9782. /*
  9783. * Set the appropriate supported and flags indications per
  9784. * interface type of the chip
  9785. */
  9786. switch (serdes_net_if) {
  9787. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9788. phy->supported &= (SUPPORTED_10baseT_Half |
  9789. SUPPORTED_10baseT_Full |
  9790. SUPPORTED_100baseT_Half |
  9791. SUPPORTED_100baseT_Full |
  9792. SUPPORTED_1000baseT_Full |
  9793. SUPPORTED_FIBRE |
  9794. SUPPORTED_Autoneg |
  9795. SUPPORTED_Pause |
  9796. SUPPORTED_Asym_Pause);
  9797. phy->media_type = ETH_PHY_BASE_T;
  9798. break;
  9799. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9800. phy->media_type = ETH_PHY_XFP_FIBER;
  9801. break;
  9802. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9803. phy->supported &= (SUPPORTED_1000baseT_Full |
  9804. SUPPORTED_10000baseT_Full |
  9805. SUPPORTED_FIBRE |
  9806. SUPPORTED_Pause |
  9807. SUPPORTED_Asym_Pause);
  9808. phy->media_type = ETH_PHY_SFP_FIBER;
  9809. break;
  9810. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9811. phy->media_type = ETH_PHY_KR;
  9812. phy->supported &= (SUPPORTED_1000baseT_Full |
  9813. SUPPORTED_10000baseT_Full |
  9814. SUPPORTED_FIBRE |
  9815. SUPPORTED_Autoneg |
  9816. SUPPORTED_Pause |
  9817. SUPPORTED_Asym_Pause);
  9818. break;
  9819. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9820. phy->media_type = ETH_PHY_KR;
  9821. phy->flags |= FLAGS_WC_DUAL_MODE;
  9822. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9823. SUPPORTED_FIBRE |
  9824. SUPPORTED_Pause |
  9825. SUPPORTED_Asym_Pause);
  9826. break;
  9827. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9828. phy->media_type = ETH_PHY_KR;
  9829. phy->flags |= FLAGS_WC_DUAL_MODE;
  9830. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9831. SUPPORTED_FIBRE |
  9832. SUPPORTED_Pause |
  9833. SUPPORTED_Asym_Pause);
  9834. break;
  9835. default:
  9836. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9837. serdes_net_if);
  9838. break;
  9839. }
  9840. /*
  9841. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9842. * was not set as expected. For B0, ECO will be enabled so there
  9843. * won't be an issue there
  9844. */
  9845. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9846. phy->flags |= FLAGS_MDC_MDIO_WA;
  9847. } else {
  9848. switch (switch_cfg) {
  9849. case SWITCH_CFG_1G:
  9850. phy_addr = REG_RD(bp,
  9851. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9852. port * 0x10);
  9853. *phy = phy_serdes;
  9854. break;
  9855. case SWITCH_CFG_10G:
  9856. phy_addr = REG_RD(bp,
  9857. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9858. port * 0x18);
  9859. *phy = phy_xgxs;
  9860. break;
  9861. default:
  9862. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9863. return -EINVAL;
  9864. }
  9865. }
  9866. phy->addr = (u8)phy_addr;
  9867. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9868. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9869. port);
  9870. if (CHIP_IS_E2(bp))
  9871. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9872. else
  9873. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9874. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9875. port, phy->addr, phy->mdio_ctrl);
  9876. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9877. return 0;
  9878. }
  9879. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9880. u8 phy_index,
  9881. u32 shmem_base,
  9882. u32 shmem2_base,
  9883. u8 port,
  9884. struct bnx2x_phy *phy)
  9885. {
  9886. u32 ext_phy_config, phy_type, config2;
  9887. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9888. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9889. phy_index, port);
  9890. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9891. /* Select the phy type */
  9892. switch (phy_type) {
  9893. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9894. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9895. *phy = phy_8073;
  9896. break;
  9897. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9898. *phy = phy_8705;
  9899. break;
  9900. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9901. *phy = phy_8706;
  9902. break;
  9903. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9904. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9905. *phy = phy_8726;
  9906. break;
  9907. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9908. /* BCM8727_NOC => BCM8727 no over current */
  9909. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9910. *phy = phy_8727;
  9911. phy->flags |= FLAGS_NOC;
  9912. break;
  9913. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9914. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9915. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9916. *phy = phy_8727;
  9917. break;
  9918. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9919. *phy = phy_8481;
  9920. break;
  9921. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9922. *phy = phy_84823;
  9923. break;
  9924. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9925. *phy = phy_84833;
  9926. break;
  9927. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  9928. *phy = phy_54618se;
  9929. break;
  9930. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9931. *phy = phy_7101;
  9932. break;
  9933. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9934. *phy = phy_null;
  9935. return -EINVAL;
  9936. default:
  9937. *phy = phy_null;
  9938. return 0;
  9939. }
  9940. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9941. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9942. /*
  9943. * The shmem address of the phy version is located on different
  9944. * structures. In case this structure is too old, do not set
  9945. * the address
  9946. */
  9947. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9948. dev_info.shared_hw_config.config2));
  9949. if (phy_index == EXT_PHY1) {
  9950. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9951. port_mb[port].ext_phy_fw_version);
  9952. /* Check specific mdc mdio settings */
  9953. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9954. mdc_mdio_access = config2 &
  9955. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9956. } else {
  9957. u32 size = REG_RD(bp, shmem2_base);
  9958. if (size >
  9959. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9960. phy->ver_addr = shmem2_base +
  9961. offsetof(struct shmem2_region,
  9962. ext_phy_fw_version2[port]);
  9963. }
  9964. /* Check specific mdc mdio settings */
  9965. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  9966. mdc_mdio_access = (config2 &
  9967. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  9968. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  9969. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  9970. }
  9971. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  9972. /*
  9973. * In case mdc/mdio_access of the external phy is different than the
  9974. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  9975. * to prevent one port interfere with another port's CL45 operations.
  9976. */
  9977. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  9978. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  9979. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  9980. phy_type, port, phy_index);
  9981. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  9982. phy->addr, phy->mdio_ctrl);
  9983. return 0;
  9984. }
  9985. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  9986. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  9987. {
  9988. int status = 0;
  9989. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  9990. if (phy_index == INT_PHY)
  9991. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  9992. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  9993. port, phy);
  9994. return status;
  9995. }
  9996. static void bnx2x_phy_def_cfg(struct link_params *params,
  9997. struct bnx2x_phy *phy,
  9998. u8 phy_index)
  9999. {
  10000. struct bnx2x *bp = params->bp;
  10001. u32 link_config;
  10002. /* Populate the default phy configuration for MF mode */
  10003. if (phy_index == EXT_PHY2) {
  10004. link_config = REG_RD(bp, params->shmem_base +
  10005. offsetof(struct shmem_region, dev_info.
  10006. port_feature_config[params->port].link_config2));
  10007. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10008. offsetof(struct shmem_region,
  10009. dev_info.
  10010. port_hw_config[params->port].speed_capability_mask2));
  10011. } else {
  10012. link_config = REG_RD(bp, params->shmem_base +
  10013. offsetof(struct shmem_region, dev_info.
  10014. port_feature_config[params->port].link_config));
  10015. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10016. offsetof(struct shmem_region,
  10017. dev_info.
  10018. port_hw_config[params->port].speed_capability_mask));
  10019. }
  10020. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  10021. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  10022. phy->req_duplex = DUPLEX_FULL;
  10023. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10024. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10025. phy->req_duplex = DUPLEX_HALF;
  10026. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10027. phy->req_line_speed = SPEED_10;
  10028. break;
  10029. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10030. phy->req_duplex = DUPLEX_HALF;
  10031. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10032. phy->req_line_speed = SPEED_100;
  10033. break;
  10034. case PORT_FEATURE_LINK_SPEED_1G:
  10035. phy->req_line_speed = SPEED_1000;
  10036. break;
  10037. case PORT_FEATURE_LINK_SPEED_2_5G:
  10038. phy->req_line_speed = SPEED_2500;
  10039. break;
  10040. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10041. phy->req_line_speed = SPEED_10000;
  10042. break;
  10043. default:
  10044. phy->req_line_speed = SPEED_AUTO_NEG;
  10045. break;
  10046. }
  10047. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10048. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10049. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10050. break;
  10051. case PORT_FEATURE_FLOW_CONTROL_TX:
  10052. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10053. break;
  10054. case PORT_FEATURE_FLOW_CONTROL_RX:
  10055. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10056. break;
  10057. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10058. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10059. break;
  10060. default:
  10061. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10062. break;
  10063. }
  10064. }
  10065. u32 bnx2x_phy_selection(struct link_params *params)
  10066. {
  10067. u32 phy_config_swapped, prio_cfg;
  10068. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10069. phy_config_swapped = params->multi_phy_config &
  10070. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10071. prio_cfg = params->multi_phy_config &
  10072. PORT_HW_CFG_PHY_SELECTION_MASK;
  10073. if (phy_config_swapped) {
  10074. switch (prio_cfg) {
  10075. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10076. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10077. break;
  10078. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10079. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10080. break;
  10081. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10082. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10083. break;
  10084. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10085. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10086. break;
  10087. }
  10088. } else
  10089. return_cfg = prio_cfg;
  10090. return return_cfg;
  10091. }
  10092. int bnx2x_phy_probe(struct link_params *params)
  10093. {
  10094. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10095. u32 phy_config_swapped, sync_offset, media_types;
  10096. struct bnx2x *bp = params->bp;
  10097. struct bnx2x_phy *phy;
  10098. params->num_phys = 0;
  10099. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10100. phy_config_swapped = params->multi_phy_config &
  10101. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10102. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10103. phy_index++) {
  10104. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10105. actual_phy_idx = phy_index;
  10106. if (phy_config_swapped) {
  10107. if (phy_index == EXT_PHY1)
  10108. actual_phy_idx = EXT_PHY2;
  10109. else if (phy_index == EXT_PHY2)
  10110. actual_phy_idx = EXT_PHY1;
  10111. }
  10112. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10113. " actual_phy_idx %x\n", phy_config_swapped,
  10114. phy_index, actual_phy_idx);
  10115. phy = &params->phy[actual_phy_idx];
  10116. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10117. params->shmem2_base, params->port,
  10118. phy) != 0) {
  10119. params->num_phys = 0;
  10120. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10121. phy_index);
  10122. for (phy_index = INT_PHY;
  10123. phy_index < MAX_PHYS;
  10124. phy_index++)
  10125. *phy = phy_null;
  10126. return -EINVAL;
  10127. }
  10128. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10129. break;
  10130. sync_offset = params->shmem_base +
  10131. offsetof(struct shmem_region,
  10132. dev_info.port_hw_config[params->port].media_type);
  10133. media_types = REG_RD(bp, sync_offset);
  10134. /*
  10135. * Update media type for non-PMF sync only for the first time
  10136. * In case the media type changes afterwards, it will be updated
  10137. * using the update_status function
  10138. */
  10139. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10140. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10141. actual_phy_idx))) == 0) {
  10142. media_types |= ((phy->media_type &
  10143. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10144. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10145. actual_phy_idx));
  10146. }
  10147. REG_WR(bp, sync_offset, media_types);
  10148. bnx2x_phy_def_cfg(params, phy, phy_index);
  10149. params->num_phys++;
  10150. }
  10151. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10152. return 0;
  10153. }
  10154. void bnx2x_init_bmac_loopback(struct link_params *params,
  10155. struct link_vars *vars)
  10156. {
  10157. struct bnx2x *bp = params->bp;
  10158. vars->link_up = 1;
  10159. vars->line_speed = SPEED_10000;
  10160. vars->duplex = DUPLEX_FULL;
  10161. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10162. vars->mac_type = MAC_TYPE_BMAC;
  10163. vars->phy_flags = PHY_XGXS_FLAG;
  10164. bnx2x_xgxs_deassert(params);
  10165. /* set bmac loopback */
  10166. bnx2x_bmac_enable(params, vars, 1);
  10167. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10168. }
  10169. void bnx2x_init_emac_loopback(struct link_params *params,
  10170. struct link_vars *vars)
  10171. {
  10172. struct bnx2x *bp = params->bp;
  10173. vars->link_up = 1;
  10174. vars->line_speed = SPEED_1000;
  10175. vars->duplex = DUPLEX_FULL;
  10176. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10177. vars->mac_type = MAC_TYPE_EMAC;
  10178. vars->phy_flags = PHY_XGXS_FLAG;
  10179. bnx2x_xgxs_deassert(params);
  10180. /* set bmac loopback */
  10181. bnx2x_emac_enable(params, vars, 1);
  10182. bnx2x_emac_program(params, vars);
  10183. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10184. }
  10185. void bnx2x_init_xmac_loopback(struct link_params *params,
  10186. struct link_vars *vars)
  10187. {
  10188. struct bnx2x *bp = params->bp;
  10189. vars->link_up = 1;
  10190. if (!params->req_line_speed[0])
  10191. vars->line_speed = SPEED_10000;
  10192. else
  10193. vars->line_speed = params->req_line_speed[0];
  10194. vars->duplex = DUPLEX_FULL;
  10195. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10196. vars->mac_type = MAC_TYPE_XMAC;
  10197. vars->phy_flags = PHY_XGXS_FLAG;
  10198. /*
  10199. * Set WC to loopback mode since link is required to provide clock
  10200. * to the XMAC in 20G mode
  10201. */
  10202. if (vars->line_speed == SPEED_20000) {
  10203. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10204. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10205. params->phy[INT_PHY].config_loopback(
  10206. &params->phy[INT_PHY],
  10207. params);
  10208. }
  10209. bnx2x_xmac_enable(params, vars, 1);
  10210. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10211. }
  10212. void bnx2x_init_umac_loopback(struct link_params *params,
  10213. struct link_vars *vars)
  10214. {
  10215. struct bnx2x *bp = params->bp;
  10216. vars->link_up = 1;
  10217. vars->line_speed = SPEED_1000;
  10218. vars->duplex = DUPLEX_FULL;
  10219. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10220. vars->mac_type = MAC_TYPE_UMAC;
  10221. vars->phy_flags = PHY_XGXS_FLAG;
  10222. bnx2x_umac_enable(params, vars, 1);
  10223. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10224. }
  10225. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10226. struct link_vars *vars)
  10227. {
  10228. struct bnx2x *bp = params->bp;
  10229. vars->link_up = 1;
  10230. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10231. vars->duplex = DUPLEX_FULL;
  10232. if (params->req_line_speed[0] == SPEED_1000)
  10233. vars->line_speed = SPEED_1000;
  10234. else
  10235. vars->line_speed = SPEED_10000;
  10236. if (!USES_WARPCORE(bp))
  10237. bnx2x_xgxs_deassert(params);
  10238. bnx2x_link_initialize(params, vars);
  10239. if (params->req_line_speed[0] == SPEED_1000) {
  10240. if (USES_WARPCORE(bp))
  10241. bnx2x_umac_enable(params, vars, 0);
  10242. else {
  10243. bnx2x_emac_program(params, vars);
  10244. bnx2x_emac_enable(params, vars, 0);
  10245. }
  10246. } else {
  10247. if (USES_WARPCORE(bp))
  10248. bnx2x_xmac_enable(params, vars, 0);
  10249. else
  10250. bnx2x_bmac_enable(params, vars, 0);
  10251. }
  10252. if (params->loopback_mode == LOOPBACK_XGXS) {
  10253. /* set 10G XGXS loopback */
  10254. params->phy[INT_PHY].config_loopback(
  10255. &params->phy[INT_PHY],
  10256. params);
  10257. } else {
  10258. /* set external phy loopback */
  10259. u8 phy_index;
  10260. for (phy_index = EXT_PHY1;
  10261. phy_index < params->num_phys; phy_index++) {
  10262. if (params->phy[phy_index].config_loopback)
  10263. params->phy[phy_index].config_loopback(
  10264. &params->phy[phy_index],
  10265. params);
  10266. }
  10267. }
  10268. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10269. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10270. }
  10271. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10272. {
  10273. struct bnx2x *bp = params->bp;
  10274. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10275. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10276. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10277. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10278. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10279. vars->link_status = 0;
  10280. vars->phy_link_up = 0;
  10281. vars->link_up = 0;
  10282. vars->line_speed = 0;
  10283. vars->duplex = DUPLEX_FULL;
  10284. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10285. vars->mac_type = MAC_TYPE_NONE;
  10286. vars->phy_flags = 0;
  10287. /* disable attentions */
  10288. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10289. (NIG_MASK_XGXS0_LINK_STATUS |
  10290. NIG_MASK_XGXS0_LINK10G |
  10291. NIG_MASK_SERDES0_LINK_STATUS |
  10292. NIG_MASK_MI_INT));
  10293. bnx2x_emac_init(params, vars);
  10294. if (params->num_phys == 0) {
  10295. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10296. return -EINVAL;
  10297. }
  10298. set_phy_vars(params, vars);
  10299. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10300. switch (params->loopback_mode) {
  10301. case LOOPBACK_BMAC:
  10302. bnx2x_init_bmac_loopback(params, vars);
  10303. break;
  10304. case LOOPBACK_EMAC:
  10305. bnx2x_init_emac_loopback(params, vars);
  10306. break;
  10307. case LOOPBACK_XMAC:
  10308. bnx2x_init_xmac_loopback(params, vars);
  10309. break;
  10310. case LOOPBACK_UMAC:
  10311. bnx2x_init_umac_loopback(params, vars);
  10312. break;
  10313. case LOOPBACK_XGXS:
  10314. case LOOPBACK_EXT_PHY:
  10315. bnx2x_init_xgxs_loopback(params, vars);
  10316. break;
  10317. default:
  10318. if (!CHIP_IS_E3(bp)) {
  10319. if (params->switch_cfg == SWITCH_CFG_10G)
  10320. bnx2x_xgxs_deassert(params);
  10321. else
  10322. bnx2x_serdes_deassert(bp, params->port);
  10323. }
  10324. bnx2x_link_initialize(params, vars);
  10325. msleep(30);
  10326. bnx2x_link_int_enable(params);
  10327. break;
  10328. }
  10329. return 0;
  10330. }
  10331. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10332. u8 reset_ext_phy)
  10333. {
  10334. struct bnx2x *bp = params->bp;
  10335. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10336. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10337. /* disable attentions */
  10338. vars->link_status = 0;
  10339. bnx2x_update_mng(params, vars->link_status);
  10340. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10341. (NIG_MASK_XGXS0_LINK_STATUS |
  10342. NIG_MASK_XGXS0_LINK10G |
  10343. NIG_MASK_SERDES0_LINK_STATUS |
  10344. NIG_MASK_MI_INT));
  10345. /* activate nig drain */
  10346. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10347. /* disable nig egress interface */
  10348. if (!CHIP_IS_E3(bp)) {
  10349. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10350. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10351. }
  10352. /* Stop BigMac rx */
  10353. if (!CHIP_IS_E3(bp))
  10354. bnx2x_bmac_rx_disable(bp, port);
  10355. else
  10356. bnx2x_xmac_disable(params);
  10357. /* disable emac */
  10358. if (!CHIP_IS_E3(bp))
  10359. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10360. msleep(10);
  10361. /* The PHY reset is controlled by GPIO 1
  10362. * Hold it as vars low
  10363. */
  10364. /* clear link led */
  10365. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10366. if (reset_ext_phy) {
  10367. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10368. phy_index++) {
  10369. if (params->phy[phy_index].link_reset)
  10370. params->phy[phy_index].link_reset(
  10371. &params->phy[phy_index],
  10372. params);
  10373. if (params->phy[phy_index].flags &
  10374. FLAGS_REARM_LATCH_SIGNAL)
  10375. clear_latch_ind = 1;
  10376. }
  10377. }
  10378. if (clear_latch_ind) {
  10379. /* Clear latching indication */
  10380. bnx2x_rearm_latch_signal(bp, port, 0);
  10381. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10382. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10383. }
  10384. if (params->phy[INT_PHY].link_reset)
  10385. params->phy[INT_PHY].link_reset(
  10386. &params->phy[INT_PHY], params);
  10387. /* reset BigMac */
  10388. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10389. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10390. /* disable nig ingress interface */
  10391. if (!CHIP_IS_E3(bp)) {
  10392. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10393. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10394. }
  10395. vars->link_up = 0;
  10396. vars->phy_flags = 0;
  10397. return 0;
  10398. }
  10399. /****************************************************************************/
  10400. /* Common function */
  10401. /****************************************************************************/
  10402. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10403. u32 shmem_base_path[],
  10404. u32 shmem2_base_path[], u8 phy_index,
  10405. u32 chip_id)
  10406. {
  10407. struct bnx2x_phy phy[PORT_MAX];
  10408. struct bnx2x_phy *phy_blk[PORT_MAX];
  10409. u16 val;
  10410. s8 port = 0;
  10411. s8 port_of_path = 0;
  10412. u32 swap_val, swap_override;
  10413. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10414. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10415. port ^= (swap_val && swap_override);
  10416. bnx2x_ext_phy_hw_reset(bp, port);
  10417. /* PART1 - Reset both phys */
  10418. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10419. u32 shmem_base, shmem2_base;
  10420. /* In E2, same phy is using for port0 of the two paths */
  10421. if (CHIP_IS_E1x(bp)) {
  10422. shmem_base = shmem_base_path[0];
  10423. shmem2_base = shmem2_base_path[0];
  10424. port_of_path = port;
  10425. } else {
  10426. shmem_base = shmem_base_path[port];
  10427. shmem2_base = shmem2_base_path[port];
  10428. port_of_path = 0;
  10429. }
  10430. /* Extract the ext phy address for the port */
  10431. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10432. port_of_path, &phy[port]) !=
  10433. 0) {
  10434. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10435. return -EINVAL;
  10436. }
  10437. /* disable attentions */
  10438. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10439. port_of_path*4,
  10440. (NIG_MASK_XGXS0_LINK_STATUS |
  10441. NIG_MASK_XGXS0_LINK10G |
  10442. NIG_MASK_SERDES0_LINK_STATUS |
  10443. NIG_MASK_MI_INT));
  10444. /* Need to take the phy out of low power mode in order
  10445. to write to access its registers */
  10446. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10447. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10448. port);
  10449. /* Reset the phy */
  10450. bnx2x_cl45_write(bp, &phy[port],
  10451. MDIO_PMA_DEVAD,
  10452. MDIO_PMA_REG_CTRL,
  10453. 1<<15);
  10454. }
  10455. /* Add delay of 150ms after reset */
  10456. msleep(150);
  10457. if (phy[PORT_0].addr & 0x1) {
  10458. phy_blk[PORT_0] = &(phy[PORT_1]);
  10459. phy_blk[PORT_1] = &(phy[PORT_0]);
  10460. } else {
  10461. phy_blk[PORT_0] = &(phy[PORT_0]);
  10462. phy_blk[PORT_1] = &(phy[PORT_1]);
  10463. }
  10464. /* PART2 - Download firmware to both phys */
  10465. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10466. if (CHIP_IS_E1x(bp))
  10467. port_of_path = port;
  10468. else
  10469. port_of_path = 0;
  10470. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10471. phy_blk[port]->addr);
  10472. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10473. port_of_path))
  10474. return -EINVAL;
  10475. /* Only set bit 10 = 1 (Tx power down) */
  10476. bnx2x_cl45_read(bp, phy_blk[port],
  10477. MDIO_PMA_DEVAD,
  10478. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10479. /* Phase1 of TX_POWER_DOWN reset */
  10480. bnx2x_cl45_write(bp, phy_blk[port],
  10481. MDIO_PMA_DEVAD,
  10482. MDIO_PMA_REG_TX_POWER_DOWN,
  10483. (val | 1<<10));
  10484. }
  10485. /*
  10486. * Toggle Transmitter: Power down and then up with 600ms delay
  10487. * between
  10488. */
  10489. msleep(600);
  10490. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10491. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10492. /* Phase2 of POWER_DOWN_RESET */
  10493. /* Release bit 10 (Release Tx power down) */
  10494. bnx2x_cl45_read(bp, phy_blk[port],
  10495. MDIO_PMA_DEVAD,
  10496. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10497. bnx2x_cl45_write(bp, phy_blk[port],
  10498. MDIO_PMA_DEVAD,
  10499. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10500. msleep(15);
  10501. /* Read modify write the SPI-ROM version select register */
  10502. bnx2x_cl45_read(bp, phy_blk[port],
  10503. MDIO_PMA_DEVAD,
  10504. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10505. bnx2x_cl45_write(bp, phy_blk[port],
  10506. MDIO_PMA_DEVAD,
  10507. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10508. /* set GPIO2 back to LOW */
  10509. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10510. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10511. }
  10512. return 0;
  10513. }
  10514. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10515. u32 shmem_base_path[],
  10516. u32 shmem2_base_path[], u8 phy_index,
  10517. u32 chip_id)
  10518. {
  10519. u32 val;
  10520. s8 port;
  10521. struct bnx2x_phy phy;
  10522. /* Use port1 because of the static port-swap */
  10523. /* Enable the module detection interrupt */
  10524. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10525. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10526. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10527. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10528. bnx2x_ext_phy_hw_reset(bp, 0);
  10529. msleep(5);
  10530. for (port = 0; port < PORT_MAX; port++) {
  10531. u32 shmem_base, shmem2_base;
  10532. /* In E2, same phy is using for port0 of the two paths */
  10533. if (CHIP_IS_E1x(bp)) {
  10534. shmem_base = shmem_base_path[0];
  10535. shmem2_base = shmem2_base_path[0];
  10536. } else {
  10537. shmem_base = shmem_base_path[port];
  10538. shmem2_base = shmem2_base_path[port];
  10539. }
  10540. /* Extract the ext phy address for the port */
  10541. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10542. port, &phy) !=
  10543. 0) {
  10544. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10545. return -EINVAL;
  10546. }
  10547. /* Reset phy*/
  10548. bnx2x_cl45_write(bp, &phy,
  10549. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10550. /* Set fault module detected LED on */
  10551. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10552. MISC_REGISTERS_GPIO_HIGH,
  10553. port);
  10554. }
  10555. return 0;
  10556. }
  10557. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10558. u8 *io_gpio, u8 *io_port)
  10559. {
  10560. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10561. offsetof(struct shmem_region,
  10562. dev_info.port_hw_config[PORT_0].default_cfg));
  10563. switch (phy_gpio_reset) {
  10564. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10565. *io_gpio = 0;
  10566. *io_port = 0;
  10567. break;
  10568. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10569. *io_gpio = 1;
  10570. *io_port = 0;
  10571. break;
  10572. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10573. *io_gpio = 2;
  10574. *io_port = 0;
  10575. break;
  10576. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10577. *io_gpio = 3;
  10578. *io_port = 0;
  10579. break;
  10580. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10581. *io_gpio = 0;
  10582. *io_port = 1;
  10583. break;
  10584. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10585. *io_gpio = 1;
  10586. *io_port = 1;
  10587. break;
  10588. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10589. *io_gpio = 2;
  10590. *io_port = 1;
  10591. break;
  10592. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10593. *io_gpio = 3;
  10594. *io_port = 1;
  10595. break;
  10596. default:
  10597. /* Don't override the io_gpio and io_port */
  10598. break;
  10599. }
  10600. }
  10601. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10602. u32 shmem_base_path[],
  10603. u32 shmem2_base_path[], u8 phy_index,
  10604. u32 chip_id)
  10605. {
  10606. s8 port, reset_gpio;
  10607. u32 swap_val, swap_override;
  10608. struct bnx2x_phy phy[PORT_MAX];
  10609. struct bnx2x_phy *phy_blk[PORT_MAX];
  10610. s8 port_of_path;
  10611. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10612. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10613. reset_gpio = MISC_REGISTERS_GPIO_1;
  10614. port = 1;
  10615. /*
  10616. * Retrieve the reset gpio/port which control the reset.
  10617. * Default is GPIO1, PORT1
  10618. */
  10619. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10620. (u8 *)&reset_gpio, (u8 *)&port);
  10621. /* Calculate the port based on port swap */
  10622. port ^= (swap_val && swap_override);
  10623. /* Initiate PHY reset*/
  10624. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10625. port);
  10626. msleep(1);
  10627. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10628. port);
  10629. msleep(5);
  10630. /* PART1 - Reset both phys */
  10631. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10632. u32 shmem_base, shmem2_base;
  10633. /* In E2, same phy is using for port0 of the two paths */
  10634. if (CHIP_IS_E1x(bp)) {
  10635. shmem_base = shmem_base_path[0];
  10636. shmem2_base = shmem2_base_path[0];
  10637. port_of_path = port;
  10638. } else {
  10639. shmem_base = shmem_base_path[port];
  10640. shmem2_base = shmem2_base_path[port];
  10641. port_of_path = 0;
  10642. }
  10643. /* Extract the ext phy address for the port */
  10644. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10645. port_of_path, &phy[port]) !=
  10646. 0) {
  10647. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10648. return -EINVAL;
  10649. }
  10650. /* disable attentions */
  10651. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10652. port_of_path*4,
  10653. (NIG_MASK_XGXS0_LINK_STATUS |
  10654. NIG_MASK_XGXS0_LINK10G |
  10655. NIG_MASK_SERDES0_LINK_STATUS |
  10656. NIG_MASK_MI_INT));
  10657. /* Reset the phy */
  10658. bnx2x_cl45_write(bp, &phy[port],
  10659. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10660. }
  10661. /* Add delay of 150ms after reset */
  10662. msleep(150);
  10663. if (phy[PORT_0].addr & 0x1) {
  10664. phy_blk[PORT_0] = &(phy[PORT_1]);
  10665. phy_blk[PORT_1] = &(phy[PORT_0]);
  10666. } else {
  10667. phy_blk[PORT_0] = &(phy[PORT_0]);
  10668. phy_blk[PORT_1] = &(phy[PORT_1]);
  10669. }
  10670. /* PART2 - Download firmware to both phys */
  10671. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10672. if (CHIP_IS_E1x(bp))
  10673. port_of_path = port;
  10674. else
  10675. port_of_path = 0;
  10676. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10677. phy_blk[port]->addr);
  10678. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10679. port_of_path))
  10680. return -EINVAL;
  10681. /* Disable PHY transmitter output */
  10682. bnx2x_cl45_write(bp, phy_blk[port],
  10683. MDIO_PMA_DEVAD,
  10684. MDIO_PMA_REG_TX_DISABLE, 1);
  10685. }
  10686. return 0;
  10687. }
  10688. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10689. u32 shmem2_base_path[], u8 phy_index,
  10690. u32 ext_phy_type, u32 chip_id)
  10691. {
  10692. int rc = 0;
  10693. switch (ext_phy_type) {
  10694. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10695. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10696. shmem2_base_path,
  10697. phy_index, chip_id);
  10698. break;
  10699. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10701. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10702. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10703. shmem2_base_path,
  10704. phy_index, chip_id);
  10705. break;
  10706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10707. /*
  10708. * GPIO1 affects both ports, so there's need to pull
  10709. * it for single port alone
  10710. */
  10711. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10712. shmem2_base_path,
  10713. phy_index, chip_id);
  10714. break;
  10715. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10716. /*
  10717. * GPIO3's are linked, and so both need to be toggled
  10718. * to obtain required 2us pulse.
  10719. */
  10720. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10721. break;
  10722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10723. rc = -EINVAL;
  10724. break;
  10725. default:
  10726. DP(NETIF_MSG_LINK,
  10727. "ext_phy 0x%x common init not required\n",
  10728. ext_phy_type);
  10729. break;
  10730. }
  10731. if (rc != 0)
  10732. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10733. " Port %d\n",
  10734. 0);
  10735. return rc;
  10736. }
  10737. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10738. u32 shmem2_base_path[], u32 chip_id)
  10739. {
  10740. int rc = 0;
  10741. u32 phy_ver, val;
  10742. u8 phy_index = 0;
  10743. u32 ext_phy_type, ext_phy_config;
  10744. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10745. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10746. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10747. if (CHIP_IS_E3(bp)) {
  10748. /* Enable EPIO */
  10749. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10750. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10751. }
  10752. /* Check if common init was already done */
  10753. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10754. offsetof(struct shmem_region,
  10755. port_mb[PORT_0].ext_phy_fw_version));
  10756. if (phy_ver) {
  10757. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10758. phy_ver);
  10759. return 0;
  10760. }
  10761. /* Read the ext_phy_type for arbitrary port(0) */
  10762. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10763. phy_index++) {
  10764. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10765. shmem_base_path[0],
  10766. phy_index, 0);
  10767. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10768. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10769. shmem2_base_path,
  10770. phy_index, ext_phy_type,
  10771. chip_id);
  10772. }
  10773. return rc;
  10774. }
  10775. static void bnx2x_check_over_curr(struct link_params *params,
  10776. struct link_vars *vars)
  10777. {
  10778. struct bnx2x *bp = params->bp;
  10779. u32 cfg_pin;
  10780. u8 port = params->port;
  10781. u32 pin_val;
  10782. cfg_pin = (REG_RD(bp, params->shmem_base +
  10783. offsetof(struct shmem_region,
  10784. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10785. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10786. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10787. /* Ignore check if no external input PIN available */
  10788. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10789. return;
  10790. if (!pin_val) {
  10791. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10792. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10793. " been detected and the power to "
  10794. "that SFP+ module has been removed"
  10795. " to prevent failure of the card."
  10796. " Please remove the SFP+ module and"
  10797. " restart the system to clear this"
  10798. " error.\n",
  10799. params->port);
  10800. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10801. }
  10802. } else
  10803. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10804. }
  10805. static void bnx2x_analyze_link_error(struct link_params *params,
  10806. struct link_vars *vars, u32 lss_status)
  10807. {
  10808. struct bnx2x *bp = params->bp;
  10809. /* Compare new value with previous value */
  10810. u8 led_mode;
  10811. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10812. if ((lss_status ^ half_open_conn) == 0)
  10813. return;
  10814. /* If values differ */
  10815. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10816. half_open_conn, lss_status);
  10817. /*
  10818. * a. Update shmem->link_status accordingly
  10819. * b. Update link_vars->link_up
  10820. */
  10821. if (lss_status) {
  10822. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10823. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10824. vars->link_up = 0;
  10825. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10826. /*
  10827. * Set LED mode to off since the PHY doesn't know about these
  10828. * errors
  10829. */
  10830. led_mode = LED_MODE_OFF;
  10831. } else {
  10832. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10833. vars->link_status |= LINK_STATUS_LINK_UP;
  10834. vars->link_up = 1;
  10835. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10836. led_mode = LED_MODE_OPER;
  10837. }
  10838. /* Update the LED according to the link state */
  10839. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10840. /* Update link status in the shared memory */
  10841. bnx2x_update_mng(params, vars->link_status);
  10842. /* C. Trigger General Attention */
  10843. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10844. bnx2x_notify_link_changed(bp);
  10845. }
  10846. /******************************************************************************
  10847. * Description:
  10848. * This function checks for half opened connection change indication.
  10849. * When such change occurs, it calls the bnx2x_analyze_link_error
  10850. * to check if Remote Fault is set or cleared. Reception of remote fault
  10851. * status message in the MAC indicates that the peer's MAC has detected
  10852. * a fault, for example, due to break in the TX side of fiber.
  10853. *
  10854. ******************************************************************************/
  10855. static void bnx2x_check_half_open_conn(struct link_params *params,
  10856. struct link_vars *vars)
  10857. {
  10858. struct bnx2x *bp = params->bp;
  10859. u32 lss_status = 0;
  10860. u32 mac_base;
  10861. /* In case link status is physically up @ 10G do */
  10862. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10863. return;
  10864. if (CHIP_IS_E3(bp) &&
  10865. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10866. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  10867. /* Check E3 XMAC */
  10868. /*
  10869. * Note that link speed cannot be queried here, since it may be
  10870. * zero while link is down. In case UMAC is active, LSS will
  10871. * simply not be set
  10872. */
  10873. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10874. /* Clear stick bits (Requires rising edge) */
  10875. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  10876. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  10877. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  10878. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  10879. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  10880. lss_status = 1;
  10881. bnx2x_analyze_link_error(params, vars, lss_status);
  10882. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10883. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  10884. /* Check E1X / E2 BMAC */
  10885. u32 lss_status_reg;
  10886. u32 wb_data[2];
  10887. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10888. NIG_REG_INGRESS_BMAC0_MEM;
  10889. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10890. if (CHIP_IS_E2(bp))
  10891. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10892. else
  10893. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10894. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10895. lss_status = (wb_data[0] > 0);
  10896. bnx2x_analyze_link_error(params, vars, lss_status);
  10897. }
  10898. }
  10899. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10900. {
  10901. struct bnx2x *bp = params->bp;
  10902. u16 phy_idx;
  10903. if (!params) {
  10904. DP(NETIF_MSG_LINK, "Uninitialized params !\n");
  10905. return;
  10906. }
  10907. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  10908. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  10909. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  10910. bnx2x_check_half_open_conn(params, vars);
  10911. break;
  10912. }
  10913. }
  10914. if (CHIP_IS_E3(bp))
  10915. bnx2x_check_over_curr(params, vars);
  10916. }
  10917. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10918. {
  10919. u8 phy_index;
  10920. struct bnx2x_phy phy;
  10921. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10922. phy_index++) {
  10923. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10924. 0, &phy) != 0) {
  10925. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10926. return 0;
  10927. }
  10928. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10929. return 1;
  10930. }
  10931. return 0;
  10932. }
  10933. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10934. u32 shmem_base,
  10935. u32 shmem2_base,
  10936. u8 port)
  10937. {
  10938. u8 phy_index, fan_failure_det_req = 0;
  10939. struct bnx2x_phy phy;
  10940. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10941. phy_index++) {
  10942. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10943. port, &phy)
  10944. != 0) {
  10945. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10946. return 0;
  10947. }
  10948. fan_failure_det_req |= (phy.flags &
  10949. FLAGS_FAN_FAILURE_DET_REQ);
  10950. }
  10951. return fan_failure_det_req;
  10952. }
  10953. void bnx2x_hw_reset_phy(struct link_params *params)
  10954. {
  10955. u8 phy_index;
  10956. struct bnx2x *bp = params->bp;
  10957. bnx2x_update_mng(params, 0);
  10958. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10959. (NIG_MASK_XGXS0_LINK_STATUS |
  10960. NIG_MASK_XGXS0_LINK10G |
  10961. NIG_MASK_SERDES0_LINK_STATUS |
  10962. NIG_MASK_MI_INT));
  10963. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10964. phy_index++) {
  10965. if (params->phy[phy_index].hw_reset) {
  10966. params->phy[phy_index].hw_reset(
  10967. &params->phy[phy_index],
  10968. params);
  10969. params->phy[phy_index] = phy_null;
  10970. }
  10971. }
  10972. }
  10973. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  10974. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  10975. u8 port)
  10976. {
  10977. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  10978. u32 val;
  10979. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  10980. if (CHIP_IS_E3(bp)) {
  10981. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  10982. shmem_base,
  10983. port,
  10984. &gpio_num,
  10985. &gpio_port) != 0)
  10986. return;
  10987. } else {
  10988. struct bnx2x_phy phy;
  10989. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10990. phy_index++) {
  10991. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  10992. shmem2_base, port, &phy)
  10993. != 0) {
  10994. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10995. return;
  10996. }
  10997. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  10998. gpio_num = MISC_REGISTERS_GPIO_3;
  10999. gpio_port = port;
  11000. break;
  11001. }
  11002. }
  11003. }
  11004. if (gpio_num == 0xff)
  11005. return;
  11006. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11007. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11008. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11009. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11010. gpio_port ^= (swap_val && swap_override);
  11011. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11012. (gpio_num + (gpio_port << 2));
  11013. sync_offset = shmem_base +
  11014. offsetof(struct shmem_region,
  11015. dev_info.port_hw_config[port].aeu_int_mask);
  11016. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11017. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11018. gpio_num, gpio_port, vars->aeu_int_mask);
  11019. if (port == 0)
  11020. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11021. else
  11022. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11023. /* Open appropriate AEU for interrupts */
  11024. aeu_mask = REG_RD(bp, offset);
  11025. aeu_mask |= vars->aeu_int_mask;
  11026. REG_WR(bp, offset, aeu_mask);
  11027. /* Enable the GPIO to trigger interrupt */
  11028. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11029. val |= 1 << (gpio_num + (gpio_port << 2));
  11030. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11031. }