bnx2x_link.c 387 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690269126922693269426952696269726982699270027012702270327042705270627072708270927102711271227132714271527162717271827192720272127222723272427252726272727282729273027312732273327342735273627372738273927402741274227432744274527462747274827492750275127522753275427552756275727582759276027612762276327642765276627672768276927702771277227732774277527762777277827792780278127822783278427852786278727882789279027912792279327942795279627972798279928002801280228032804280528062807280828092810281128122813281428152816281728182819282028212822282328242825282628272828282928302831283228332834283528362837283828392840284128422843284428452846284728482849285028512852285328542855285628572858285928602861286228632864286528662867286828692870287128722873287428752876287728782879288028812882288328842885288628872888288928902891289228932894289528962897289828992900290129022903290429052906290729082909291029112912291329142915291629172918291929202921292229232924292529262927292829292930293129322933293429352936293729382939294029412942294329442945294629472948294929502951295229532954295529562957295829592960296129622963296429652966296729682969297029712972297329742975297629772978297929802981298229832984298529862987298829892990299129922993299429952996299729982999300030013002300330043005300630073008300930103011301230133014301530163017301830193020302130223023302430253026302730283029303030313032303330343035303630373038303930403041304230433044304530463047304830493050305130523053305430553056305730583059306030613062306330643065306630673068306930703071307230733074307530763077307830793080308130823083308430853086308730883089309030913092309330943095309630973098309931003101310231033104310531063107310831093110311131123113311431153116311731183119312031213122312331243125312631273128312931303131313231333134313531363137313831393140314131423143314431453146314731483149315031513152315331543155315631573158315931603161316231633164316531663167316831693170317131723173317431753176317731783179318031813182318331843185318631873188318931903191319231933194319531963197319831993200320132023203320432053206320732083209321032113212321332143215321632173218321932203221322232233224322532263227322832293230323132323233323432353236323732383239324032413242324332443245324632473248324932503251325232533254325532563257325832593260326132623263326432653266326732683269327032713272327332743275327632773278327932803281328232833284328532863287328832893290329132923293329432953296329732983299330033013302330333043305330633073308330933103311331233133314331533163317331833193320332133223323332433253326332733283329333033313332333333343335333633373338333933403341334233433344334533463347334833493350335133523353335433553356335733583359336033613362336333643365336633673368336933703371337233733374337533763377337833793380338133823383338433853386338733883389339033913392339333943395339633973398339934003401340234033404340534063407340834093410341134123413341434153416341734183419342034213422342334243425342634273428342934303431343234333434343534363437343834393440344134423443344434453446344734483449345034513452345334543455345634573458345934603461346234633464346534663467346834693470347134723473347434753476347734783479348034813482348334843485348634873488348934903491349234933494349534963497349834993500350135023503350435053506350735083509351035113512351335143515351635173518351935203521352235233524352535263527352835293530353135323533353435353536353735383539354035413542354335443545354635473548354935503551355235533554355535563557355835593560356135623563356435653566356735683569357035713572357335743575357635773578357935803581358235833584358535863587358835893590359135923593359435953596359735983599360036013602360336043605360636073608360936103611361236133614361536163617361836193620362136223623362436253626362736283629363036313632363336343635363636373638363936403641364236433644364536463647364836493650365136523653365436553656365736583659366036613662366336643665366636673668366936703671367236733674367536763677367836793680368136823683368436853686368736883689369036913692369336943695369636973698369937003701370237033704370537063707370837093710371137123713371437153716371737183719372037213722372337243725372637273728372937303731373237333734373537363737373837393740374137423743374437453746374737483749375037513752375337543755375637573758375937603761376237633764376537663767376837693770377137723773377437753776377737783779378037813782378337843785378637873788378937903791379237933794379537963797379837993800380138023803380438053806380738083809381038113812381338143815381638173818381938203821382238233824382538263827382838293830383138323833383438353836383738383839384038413842384338443845384638473848384938503851385238533854385538563857385838593860386138623863386438653866386738683869387038713872387338743875387638773878387938803881388238833884388538863887388838893890389138923893389438953896389738983899390039013902390339043905390639073908390939103911391239133914391539163917391839193920392139223923392439253926392739283929393039313932393339343935393639373938393939403941394239433944394539463947394839493950395139523953395439553956395739583959396039613962396339643965396639673968396939703971397239733974397539763977397839793980398139823983398439853986398739883989399039913992399339943995399639973998399940004001400240034004400540064007400840094010401140124013401440154016401740184019402040214022402340244025402640274028402940304031403240334034403540364037403840394040404140424043404440454046404740484049405040514052405340544055405640574058405940604061406240634064406540664067406840694070407140724073407440754076407740784079408040814082408340844085408640874088408940904091409240934094409540964097409840994100410141024103410441054106410741084109411041114112411341144115411641174118411941204121412241234124412541264127412841294130413141324133413441354136413741384139414041414142414341444145414641474148414941504151415241534154415541564157415841594160416141624163416441654166416741684169417041714172417341744175417641774178417941804181418241834184418541864187418841894190419141924193419441954196419741984199420042014202420342044205420642074208420942104211421242134214421542164217421842194220422142224223422442254226422742284229423042314232423342344235423642374238423942404241424242434244424542464247424842494250425142524253425442554256425742584259426042614262426342644265426642674268426942704271427242734274427542764277427842794280428142824283428442854286428742884289429042914292429342944295429642974298429943004301430243034304430543064307430843094310431143124313431443154316431743184319432043214322432343244325432643274328432943304331433243334334433543364337433843394340434143424343434443454346434743484349435043514352435343544355435643574358435943604361436243634364436543664367436843694370437143724373437443754376437743784379438043814382438343844385438643874388438943904391439243934394439543964397439843994400440144024403440444054406440744084409441044114412441344144415441644174418441944204421442244234424442544264427442844294430443144324433443444354436443744384439444044414442444344444445444644474448444944504451445244534454445544564457445844594460446144624463446444654466446744684469447044714472447344744475447644774478447944804481448244834484448544864487448844894490449144924493449444954496449744984499450045014502450345044505450645074508450945104511451245134514451545164517451845194520452145224523452445254526452745284529453045314532453345344535453645374538453945404541454245434544454545464547454845494550455145524553455445554556455745584559456045614562456345644565456645674568456945704571457245734574457545764577457845794580458145824583458445854586458745884589459045914592459345944595459645974598459946004601460246034604460546064607460846094610461146124613461446154616461746184619462046214622462346244625462646274628462946304631463246334634463546364637463846394640464146424643464446454646464746484649465046514652465346544655465646574658465946604661466246634664466546664667466846694670467146724673467446754676467746784679468046814682468346844685468646874688468946904691469246934694469546964697469846994700470147024703470447054706470747084709471047114712471347144715471647174718471947204721472247234724472547264727472847294730473147324733473447354736473747384739474047414742474347444745474647474748474947504751475247534754475547564757475847594760476147624763476447654766476747684769477047714772477347744775477647774778477947804781478247834784478547864787478847894790479147924793479447954796479747984799480048014802480348044805480648074808480948104811481248134814481548164817481848194820482148224823482448254826482748284829483048314832483348344835483648374838483948404841484248434844484548464847484848494850485148524853485448554856485748584859486048614862486348644865486648674868486948704871487248734874487548764877487848794880488148824883488448854886488748884889489048914892489348944895489648974898489949004901490249034904490549064907490849094910491149124913491449154916491749184919492049214922492349244925492649274928492949304931493249334934493549364937493849394940494149424943494449454946494749484949495049514952495349544955495649574958495949604961496249634964496549664967496849694970497149724973497449754976497749784979498049814982498349844985498649874988498949904991499249934994499549964997499849995000500150025003500450055006500750085009501050115012501350145015501650175018501950205021502250235024502550265027502850295030503150325033503450355036503750385039504050415042504350445045504650475048504950505051505250535054505550565057505850595060506150625063506450655066506750685069507050715072507350745075507650775078507950805081508250835084508550865087508850895090509150925093509450955096509750985099510051015102510351045105510651075108510951105111511251135114511551165117511851195120512151225123512451255126512751285129513051315132513351345135513651375138513951405141514251435144514551465147514851495150515151525153515451555156515751585159516051615162516351645165516651675168516951705171517251735174517551765177517851795180518151825183518451855186518751885189519051915192519351945195519651975198519952005201520252035204520552065207520852095210521152125213521452155216521752185219522052215222522352245225522652275228522952305231523252335234523552365237523852395240524152425243524452455246524752485249525052515252525352545255525652575258525952605261526252635264526552665267526852695270527152725273527452755276527752785279528052815282528352845285528652875288528952905291529252935294529552965297529852995300530153025303530453055306530753085309531053115312531353145315531653175318531953205321532253235324532553265327532853295330533153325333533453355336533753385339534053415342534353445345534653475348534953505351535253535354535553565357535853595360536153625363536453655366536753685369537053715372537353745375537653775378537953805381538253835384538553865387538853895390539153925393539453955396539753985399540054015402540354045405540654075408540954105411541254135414541554165417541854195420542154225423542454255426542754285429543054315432543354345435543654375438543954405441544254435444544554465447544854495450545154525453545454555456545754585459546054615462546354645465546654675468546954705471547254735474547554765477547854795480548154825483548454855486548754885489549054915492549354945495549654975498549955005501550255035504550555065507550855095510551155125513551455155516551755185519552055215522552355245525552655275528552955305531553255335534553555365537553855395540554155425543554455455546554755485549555055515552555355545555555655575558555955605561556255635564556555665567556855695570557155725573557455755576557755785579558055815582558355845585558655875588558955905591559255935594559555965597559855995600560156025603560456055606560756085609561056115612561356145615561656175618561956205621562256235624562556265627562856295630563156325633563456355636563756385639564056415642564356445645564656475648564956505651565256535654565556565657565856595660566156625663566456655666566756685669567056715672567356745675567656775678567956805681568256835684568556865687568856895690569156925693569456955696569756985699570057015702570357045705570657075708570957105711571257135714571557165717571857195720572157225723572457255726572757285729573057315732573357345735573657375738573957405741574257435744574557465747574857495750575157525753575457555756575757585759576057615762576357645765576657675768576957705771577257735774577557765777577857795780578157825783578457855786578757885789579057915792579357945795579657975798579958005801580258035804580558065807580858095810581158125813581458155816581758185819582058215822582358245825582658275828582958305831583258335834583558365837583858395840584158425843584458455846584758485849585058515852585358545855585658575858585958605861586258635864586558665867586858695870587158725873587458755876587758785879588058815882588358845885588658875888588958905891589258935894589558965897589858995900590159025903590459055906590759085909591059115912591359145915591659175918591959205921592259235924592559265927592859295930593159325933593459355936593759385939594059415942594359445945594659475948594959505951595259535954595559565957595859595960596159625963596459655966596759685969597059715972597359745975597659775978597959805981598259835984598559865987598859895990599159925993599459955996599759985999600060016002600360046005600660076008600960106011601260136014601560166017601860196020602160226023602460256026602760286029603060316032603360346035603660376038603960406041604260436044604560466047604860496050605160526053605460556056605760586059606060616062606360646065606660676068606960706071607260736074607560766077607860796080608160826083608460856086608760886089609060916092609360946095609660976098609961006101610261036104610561066107610861096110611161126113611461156116611761186119612061216122612361246125612661276128612961306131613261336134613561366137613861396140614161426143614461456146614761486149615061516152615361546155615661576158615961606161616261636164616561666167616861696170617161726173617461756176617761786179618061816182618361846185618661876188618961906191619261936194619561966197619861996200620162026203620462056206620762086209621062116212621362146215621662176218621962206221622262236224622562266227622862296230623162326233623462356236623762386239624062416242624362446245624662476248624962506251625262536254625562566257625862596260626162626263626462656266626762686269627062716272627362746275627662776278627962806281628262836284628562866287628862896290629162926293629462956296629762986299630063016302630363046305630663076308630963106311631263136314631563166317631863196320632163226323632463256326632763286329633063316332633363346335633663376338633963406341634263436344634563466347634863496350635163526353635463556356635763586359636063616362636363646365636663676368636963706371637263736374637563766377637863796380638163826383638463856386638763886389639063916392639363946395639663976398639964006401640264036404640564066407640864096410641164126413641464156416641764186419642064216422642364246425642664276428642964306431643264336434643564366437643864396440644164426443644464456446644764486449645064516452645364546455645664576458645964606461646264636464646564666467646864696470647164726473647464756476647764786479648064816482648364846485648664876488648964906491649264936494649564966497649864996500650165026503650465056506650765086509651065116512651365146515651665176518651965206521652265236524652565266527652865296530653165326533653465356536653765386539654065416542654365446545654665476548654965506551655265536554655565566557655865596560656165626563656465656566656765686569657065716572657365746575657665776578657965806581658265836584658565866587658865896590659165926593659465956596659765986599660066016602660366046605660666076608660966106611661266136614661566166617661866196620662166226623662466256626662766286629663066316632663366346635663666376638663966406641664266436644664566466647664866496650665166526653665466556656665766586659666066616662666366646665666666676668666966706671667266736674667566766677667866796680668166826683668466856686668766886689669066916692669366946695669666976698669967006701670267036704670567066707670867096710671167126713671467156716671767186719672067216722672367246725672667276728672967306731673267336734673567366737673867396740674167426743674467456746674767486749675067516752675367546755675667576758675967606761676267636764676567666767676867696770677167726773677467756776677767786779678067816782678367846785678667876788678967906791679267936794679567966797679867996800680168026803680468056806680768086809681068116812681368146815681668176818681968206821682268236824682568266827682868296830683168326833683468356836683768386839684068416842684368446845684668476848684968506851685268536854685568566857685868596860686168626863686468656866686768686869687068716872687368746875687668776878687968806881688268836884688568866887688868896890689168926893689468956896689768986899690069016902690369046905690669076908690969106911691269136914691569166917691869196920692169226923692469256926692769286929693069316932693369346935693669376938693969406941694269436944694569466947694869496950695169526953695469556956695769586959696069616962696369646965696669676968696969706971697269736974697569766977697869796980698169826983698469856986698769886989699069916992699369946995699669976998699970007001700270037004700570067007700870097010701170127013701470157016701770187019702070217022702370247025702670277028702970307031703270337034703570367037703870397040704170427043704470457046704770487049705070517052705370547055705670577058705970607061706270637064706570667067706870697070707170727073707470757076707770787079708070817082708370847085708670877088708970907091709270937094709570967097709870997100710171027103710471057106710771087109711071117112711371147115711671177118711971207121712271237124712571267127712871297130713171327133713471357136713771387139714071417142714371447145714671477148714971507151715271537154715571567157715871597160716171627163716471657166716771687169717071717172717371747175717671777178717971807181718271837184718571867187718871897190719171927193719471957196719771987199720072017202720372047205720672077208720972107211721272137214721572167217721872197220722172227223722472257226722772287229723072317232723372347235723672377238723972407241724272437244724572467247724872497250725172527253725472557256725772587259726072617262726372647265726672677268726972707271727272737274727572767277727872797280728172827283728472857286728772887289729072917292729372947295729672977298729973007301730273037304730573067307730873097310731173127313731473157316731773187319732073217322732373247325732673277328732973307331733273337334733573367337733873397340734173427343734473457346734773487349735073517352735373547355735673577358735973607361736273637364736573667367736873697370737173727373737473757376737773787379738073817382738373847385738673877388738973907391739273937394739573967397739873997400740174027403740474057406740774087409741074117412741374147415741674177418741974207421742274237424742574267427742874297430743174327433743474357436743774387439744074417442744374447445744674477448744974507451745274537454745574567457745874597460746174627463746474657466746774687469747074717472747374747475747674777478747974807481748274837484748574867487748874897490749174927493749474957496749774987499750075017502750375047505750675077508750975107511751275137514751575167517751875197520752175227523752475257526752775287529753075317532753375347535753675377538753975407541754275437544754575467547754875497550755175527553755475557556755775587559756075617562756375647565756675677568756975707571757275737574757575767577757875797580758175827583758475857586758775887589759075917592759375947595759675977598759976007601760276037604760576067607760876097610761176127613761476157616761776187619762076217622762376247625762676277628762976307631763276337634763576367637763876397640764176427643764476457646764776487649765076517652765376547655765676577658765976607661766276637664766576667667766876697670767176727673767476757676767776787679768076817682768376847685768676877688768976907691769276937694769576967697769876997700770177027703770477057706770777087709771077117712771377147715771677177718771977207721772277237724772577267727772877297730773177327733773477357736773777387739774077417742774377447745774677477748774977507751775277537754775577567757775877597760776177627763776477657766776777687769777077717772777377747775777677777778777977807781778277837784778577867787778877897790779177927793779477957796779777987799780078017802780378047805780678077808780978107811781278137814781578167817781878197820782178227823782478257826782778287829783078317832783378347835783678377838783978407841784278437844784578467847784878497850785178527853785478557856785778587859786078617862786378647865786678677868786978707871787278737874787578767877787878797880788178827883788478857886788778887889789078917892789378947895789678977898789979007901790279037904790579067907790879097910791179127913791479157916791779187919792079217922792379247925792679277928792979307931793279337934793579367937793879397940794179427943794479457946794779487949795079517952795379547955795679577958795979607961796279637964796579667967796879697970797179727973797479757976797779787979798079817982798379847985798679877988798979907991799279937994799579967997799879998000800180028003800480058006800780088009801080118012801380148015801680178018801980208021802280238024802580268027802880298030803180328033803480358036803780388039804080418042804380448045804680478048804980508051805280538054805580568057805880598060806180628063806480658066806780688069807080718072807380748075807680778078807980808081808280838084808580868087808880898090809180928093809480958096809780988099810081018102810381048105810681078108810981108111811281138114811581168117811881198120812181228123812481258126812781288129813081318132813381348135813681378138813981408141814281438144814581468147814881498150815181528153815481558156815781588159816081618162816381648165816681678168816981708171817281738174817581768177817881798180818181828183818481858186818781888189819081918192819381948195819681978198819982008201820282038204820582068207820882098210821182128213821482158216821782188219822082218222822382248225822682278228822982308231823282338234823582368237823882398240824182428243824482458246824782488249825082518252825382548255825682578258825982608261826282638264826582668267826882698270827182728273827482758276827782788279828082818282828382848285828682878288828982908291829282938294829582968297829882998300830183028303830483058306830783088309831083118312831383148315831683178318831983208321832283238324832583268327832883298330833183328333833483358336833783388339834083418342834383448345834683478348834983508351835283538354835583568357835883598360836183628363836483658366836783688369837083718372837383748375837683778378837983808381838283838384838583868387838883898390839183928393839483958396839783988399840084018402840384048405840684078408840984108411841284138414841584168417841884198420842184228423842484258426842784288429843084318432843384348435843684378438843984408441844284438444844584468447844884498450845184528453845484558456845784588459846084618462846384648465846684678468846984708471847284738474847584768477847884798480848184828483848484858486848784888489849084918492849384948495849684978498849985008501850285038504850585068507850885098510851185128513851485158516851785188519852085218522852385248525852685278528852985308531853285338534853585368537853885398540854185428543854485458546854785488549855085518552855385548555855685578558855985608561856285638564856585668567856885698570857185728573857485758576857785788579858085818582858385848585858685878588858985908591859285938594859585968597859885998600860186028603860486058606860786088609861086118612861386148615861686178618861986208621862286238624862586268627862886298630863186328633863486358636863786388639864086418642864386448645864686478648864986508651865286538654865586568657865886598660866186628663866486658666866786688669867086718672867386748675867686778678867986808681868286838684868586868687868886898690869186928693869486958696869786988699870087018702870387048705870687078708870987108711871287138714871587168717871887198720872187228723872487258726872787288729873087318732873387348735873687378738873987408741874287438744874587468747874887498750875187528753875487558756875787588759876087618762876387648765876687678768876987708771877287738774877587768777877887798780878187828783878487858786878787888789879087918792879387948795879687978798879988008801880288038804880588068807880888098810881188128813881488158816881788188819882088218822882388248825882688278828882988308831883288338834883588368837883888398840884188428843884488458846884788488849885088518852885388548855885688578858885988608861886288638864886588668867886888698870887188728873887488758876887788788879888088818882888388848885888688878888888988908891889288938894889588968897889888998900890189028903890489058906890789088909891089118912891389148915891689178918891989208921892289238924892589268927892889298930893189328933893489358936893789388939894089418942894389448945894689478948894989508951895289538954895589568957895889598960896189628963896489658966896789688969897089718972897389748975897689778978897989808981898289838984898589868987898889898990899189928993899489958996899789988999900090019002900390049005900690079008900990109011901290139014901590169017901890199020902190229023902490259026902790289029903090319032903390349035903690379038903990409041904290439044904590469047904890499050905190529053905490559056905790589059906090619062906390649065906690679068906990709071907290739074907590769077907890799080908190829083908490859086908790889089909090919092909390949095909690979098909991009101910291039104910591069107910891099110911191129113911491159116911791189119912091219122912391249125912691279128912991309131913291339134913591369137913891399140914191429143914491459146914791489149915091519152915391549155915691579158915991609161916291639164916591669167916891699170917191729173917491759176917791789179918091819182918391849185918691879188918991909191919291939194919591969197919891999200920192029203920492059206920792089209921092119212921392149215921692179218921992209221922292239224922592269227922892299230923192329233923492359236923792389239924092419242924392449245924692479248924992509251925292539254925592569257925892599260926192629263926492659266926792689269927092719272927392749275927692779278927992809281928292839284928592869287928892899290929192929293929492959296929792989299930093019302930393049305930693079308930993109311931293139314931593169317931893199320932193229323932493259326932793289329933093319332933393349335933693379338933993409341934293439344934593469347934893499350935193529353935493559356935793589359936093619362936393649365936693679368936993709371937293739374937593769377937893799380938193829383938493859386938793889389939093919392939393949395939693979398939994009401940294039404940594069407940894099410941194129413941494159416941794189419942094219422942394249425942694279428942994309431943294339434943594369437943894399440944194429443944494459446944794489449945094519452945394549455945694579458945994609461946294639464946594669467946894699470947194729473947494759476947794789479948094819482948394849485948694879488948994909491949294939494949594969497949894999500950195029503950495059506950795089509951095119512951395149515951695179518951995209521952295239524952595269527952895299530953195329533953495359536953795389539954095419542954395449545954695479548954995509551955295539554955595569557955895599560956195629563956495659566956795689569957095719572957395749575957695779578957995809581958295839584958595869587958895899590959195929593959495959596959795989599960096019602960396049605960696079608960996109611961296139614961596169617961896199620962196229623962496259626962796289629963096319632963396349635963696379638963996409641964296439644964596469647964896499650965196529653965496559656965796589659966096619662966396649665966696679668966996709671967296739674967596769677967896799680968196829683968496859686968796889689969096919692969396949695969696979698969997009701970297039704970597069707970897099710971197129713971497159716971797189719972097219722972397249725972697279728972997309731973297339734973597369737973897399740974197429743974497459746974797489749975097519752975397549755975697579758975997609761976297639764976597669767976897699770977197729773977497759776977797789779978097819782978397849785978697879788978997909791979297939794979597969797979897999800980198029803980498059806980798089809981098119812981398149815981698179818981998209821982298239824982598269827982898299830983198329833983498359836983798389839984098419842984398449845984698479848984998509851985298539854985598569857985898599860986198629863986498659866986798689869987098719872987398749875987698779878987998809881988298839884988598869887988898899890989198929893989498959896989798989899990099019902990399049905990699079908990999109911991299139914991599169917991899199920992199229923992499259926992799289929993099319932993399349935993699379938993999409941994299439944994599469947994899499950995199529953995499559956995799589959996099619962996399649965996699679968996999709971997299739974997599769977997899799980998199829983998499859986998799889989999099919992999399949995999699979998999910000100011000210003100041000510006100071000810009100101001110012100131001410015100161001710018100191002010021100221002310024100251002610027100281002910030100311003210033100341003510036100371003810039100401004110042100431004410045100461004710048100491005010051100521005310054100551005610057100581005910060100611006210063100641006510066100671006810069100701007110072100731007410075100761007710078100791008010081100821008310084100851008610087100881008910090100911009210093100941009510096100971009810099101001010110102101031010410105101061010710108101091011010111101121011310114101151011610117101181011910120101211012210123101241012510126101271012810129101301013110132101331013410135101361013710138101391014010141101421014310144101451014610147101481014910150101511015210153101541015510156101571015810159101601016110162101631016410165101661016710168101691017010171101721017310174101751017610177101781017910180101811018210183101841018510186101871018810189101901019110192101931019410195101961019710198101991020010201102021020310204102051020610207102081020910210102111021210213102141021510216102171021810219102201022110222102231022410225102261022710228102291023010231102321023310234102351023610237102381023910240102411024210243102441024510246102471024810249102501025110252102531025410255102561025710258102591026010261102621026310264102651026610267102681026910270102711027210273102741027510276102771027810279102801028110282102831028410285102861028710288102891029010291102921029310294102951029610297102981029910300103011030210303103041030510306103071030810309103101031110312103131031410315103161031710318103191032010321103221032310324103251032610327103281032910330103311033210333103341033510336103371033810339103401034110342103431034410345103461034710348103491035010351103521035310354103551035610357103581035910360103611036210363103641036510366103671036810369103701037110372103731037410375103761037710378103791038010381103821038310384103851038610387103881038910390103911039210393103941039510396103971039810399104001040110402104031040410405104061040710408104091041010411104121041310414104151041610417104181041910420104211042210423104241042510426104271042810429104301043110432104331043410435104361043710438104391044010441104421044310444104451044610447104481044910450104511045210453104541045510456104571045810459104601046110462104631046410465104661046710468104691047010471104721047310474104751047610477104781047910480104811048210483104841048510486104871048810489104901049110492104931049410495104961049710498104991050010501105021050310504105051050610507105081050910510105111051210513105141051510516105171051810519105201052110522105231052410525105261052710528105291053010531105321053310534105351053610537105381053910540105411054210543105441054510546105471054810549105501055110552105531055410555105561055710558105591056010561105621056310564105651056610567105681056910570105711057210573105741057510576105771057810579105801058110582105831058410585105861058710588105891059010591105921059310594105951059610597105981059910600106011060210603106041060510606106071060810609106101061110612106131061410615106161061710618106191062010621106221062310624106251062610627106281062910630106311063210633106341063510636106371063810639106401064110642106431064410645106461064710648106491065010651106521065310654106551065610657106581065910660106611066210663106641066510666106671066810669106701067110672106731067410675106761067710678106791068010681106821068310684106851068610687106881068910690106911069210693106941069510696106971069810699107001070110702107031070410705107061070710708107091071010711107121071310714107151071610717107181071910720107211072210723107241072510726107271072810729107301073110732107331073410735107361073710738107391074010741107421074310744107451074610747107481074910750107511075210753107541075510756107571075810759107601076110762107631076410765107661076710768107691077010771107721077310774107751077610777107781077910780107811078210783107841078510786107871078810789107901079110792107931079410795107961079710798107991080010801108021080310804108051080610807108081080910810108111081210813108141081510816108171081810819108201082110822108231082410825108261082710828108291083010831108321083310834108351083610837108381083910840108411084210843108441084510846108471084810849108501085110852108531085410855108561085710858108591086010861108621086310864108651086610867108681086910870108711087210873108741087510876108771087810879108801088110882108831088410885108861088710888108891089010891108921089310894108951089610897108981089910900109011090210903109041090510906109071090810909109101091110912109131091410915109161091710918109191092010921109221092310924109251092610927109281092910930109311093210933109341093510936109371093810939109401094110942109431094410945109461094710948109491095010951109521095310954109551095610957109581095910960109611096210963109641096510966109671096810969109701097110972109731097410975109761097710978109791098010981109821098310984109851098610987109881098910990109911099210993109941099510996109971099810999110001100111002110031100411005110061100711008110091101011011110121101311014110151101611017110181101911020110211102211023110241102511026110271102811029110301103111032110331103411035110361103711038110391104011041110421104311044110451104611047110481104911050110511105211053110541105511056110571105811059110601106111062110631106411065110661106711068110691107011071110721107311074110751107611077110781107911080110811108211083110841108511086110871108811089110901109111092110931109411095110961109711098110991110011101111021110311104111051110611107111081110911110111111111211113111141111511116111171111811119111201112111122111231112411125111261112711128111291113011131111321113311134111351113611137111381113911140111411114211143111441114511146111471114811149111501115111152111531115411155111561115711158111591116011161111621116311164111651116611167111681116911170111711117211173111741117511176111771117811179111801118111182111831118411185111861118711188111891119011191111921119311194111951119611197111981119911200112011120211203112041120511206112071120811209112101121111212112131121411215112161121711218112191122011221112221122311224112251122611227112281122911230112311123211233112341123511236112371123811239112401124111242112431124411245112461124711248112491125011251112521125311254112551125611257112581125911260112611126211263112641126511266112671126811269112701127111272112731127411275112761127711278112791128011281112821128311284112851128611287112881128911290112911129211293112941129511296112971129811299113001130111302113031130411305113061130711308113091131011311113121131311314113151131611317113181131911320113211132211323113241132511326113271132811329113301133111332113331133411335113361133711338113391134011341113421134311344113451134611347113481134911350113511135211353113541135511356113571135811359113601136111362113631136411365113661136711368113691137011371113721137311374113751137611377113781137911380113811138211383113841138511386113871138811389113901139111392113931139411395113961139711398113991140011401114021140311404114051140611407114081140911410114111141211413114141141511416114171141811419114201142111422114231142411425114261142711428114291143011431114321143311434114351143611437114381143911440114411144211443114441144511446114471144811449114501145111452114531145411455114561145711458114591146011461114621146311464114651146611467114681146911470114711147211473114741147511476114771147811479114801148111482114831148411485114861148711488114891149011491114921149311494114951149611497114981149911500115011150211503115041150511506115071150811509115101151111512115131151411515115161151711518115191152011521115221152311524115251152611527115281152911530115311153211533115341153511536115371153811539115401154111542115431154411545115461154711548115491155011551115521155311554115551155611557115581155911560115611156211563115641156511566115671156811569115701157111572115731157411575115761157711578115791158011581115821158311584115851158611587115881158911590115911159211593115941159511596115971159811599116001160111602116031160411605116061160711608116091161011611116121161311614116151161611617116181161911620116211162211623116241162511626116271162811629116301163111632116331163411635116361163711638116391164011641116421164311644116451164611647116481164911650116511165211653116541165511656116571165811659116601166111662116631166411665116661166711668116691167011671116721167311674116751167611677116781167911680116811168211683116841168511686116871168811689116901169111692116931169411695116961169711698116991170011701117021170311704117051170611707117081170911710117111171211713117141171511716117171171811719117201172111722117231172411725117261172711728117291173011731117321173311734117351173611737117381173911740117411174211743117441174511746117471174811749117501175111752117531175411755117561175711758117591176011761117621176311764117651176611767117681176911770117711177211773117741177511776117771177811779117801178111782117831178411785117861178711788117891179011791117921179311794117951179611797117981179911800118011180211803118041180511806118071180811809118101181111812118131181411815118161181711818118191182011821118221182311824118251182611827118281182911830118311183211833118341183511836118371183811839118401184111842118431184411845118461184711848118491185011851118521185311854118551185611857118581185911860118611186211863118641186511866118671186811869118701187111872118731187411875118761187711878118791188011881118821188311884118851188611887118881188911890118911189211893118941189511896118971189811899119001190111902119031190411905119061190711908119091191011911119121191311914119151191611917119181191911920119211192211923119241192511926119271192811929119301193111932119331193411935119361193711938119391194011941119421194311944119451194611947119481194911950119511195211953119541195511956119571195811959119601196111962119631196411965119661196711968119691197011971119721197311974119751197611977119781197911980119811198211983119841198511986119871198811989119901199111992119931199411995119961199711998119991200012001120021200312004120051200612007120081200912010120111201212013120141201512016120171201812019120201202112022120231202412025120261202712028120291203012031120321203312034120351203612037120381203912040120411204212043120441204512046120471204812049120501205112052120531205412055120561205712058120591206012061120621206312064120651206612067120681206912070120711207212073120741207512076120771207812079120801208112082120831208412085120861208712088120891209012091120921209312094120951209612097120981209912100121011210212103121041210512106121071210812109121101211112112121131211412115121161211712118121191212012121121221212312124121251212612127121281212912130121311213212133121341213512136121371213812139121401214112142121431214412145121461214712148121491215012151121521215312154121551215612157121581215912160121611216212163121641216512166121671216812169121701217112172121731217412175121761217712178121791218012181121821218312184121851218612187121881218912190121911219212193121941219512196121971219812199122001220112202122031220412205122061220712208122091221012211122121221312214122151221612217122181221912220122211222212223122241222512226122271222812229122301223112232122331223412235122361223712238122391224012241122421224312244122451224612247122481224912250122511225212253122541225512256122571225812259122601226112262122631226412265122661226712268122691227012271122721227312274122751227612277122781227912280122811228212283122841228512286122871228812289122901229112292122931229412295122961229712298122991230012301123021230312304123051230612307123081230912310123111231212313123141231512316123171231812319123201232112322123231232412325123261232712328123291233012331123321233312334123351233612337123381233912340123411234212343123441234512346123471234812349123501235112352123531235412355123561235712358123591236012361123621236312364123651236612367123681236912370123711237212373123741237512376123771237812379123801238112382123831238412385123861238712388123891239012391123921239312394123951239612397123981239912400124011240212403124041240512406124071240812409124101241112412124131241412415124161241712418124191242012421124221242312424124251242612427124281242912430124311243212433124341243512436124371243812439124401244112442124431244412445124461244712448124491245012451124521245312454124551245612457124581245912460124611246212463124641246512466124671246812469124701247112472124731247412475124761247712478124791248012481124821248312484124851248612487124881248912490124911249212493124941249512496124971249812499125001250112502125031250412505125061250712508125091251012511125121251312514125151251612517125181251912520125211252212523125241252512526125271252812529125301253112532125331253412535125361253712538125391254012541125421254312544125451254612547125481254912550125511255212553125541255512556125571255812559125601256112562125631256412565125661256712568125691257012571125721257312574125751257612577125781257912580125811258212583125841258512586125871258812589125901259112592125931259412595125961259712598125991260012601126021260312604126051260612607126081260912610126111261212613126141261512616126171261812619126201262112622126231262412625126261262712628126291263012631126321263312634126351263612637126381263912640126411264212643126441264512646126471264812649126501265112652126531265412655126561265712658126591266012661126621266312664126651266612667126681266912670126711267212673126741267512676126771267812679126801268112682126831268412685126861268712688126891269012691126921269312694126951269612697126981269912700127011270212703127041270512706127071270812709127101271112712127131271412715127161271712718127191272012721127221272312724127251272612727127281272912730127311273212733127341273512736127371273812739127401274112742127431274412745127461274712748127491275012751127521275312754127551275612757127581275912760127611276212763127641276512766127671276812769127701277112772127731277412775127761277712778127791278012781127821278312784127851278612787127881278912790127911279212793127941279512796127971279812799128001280112802128031280412805128061280712808128091281012811128121281312814128151281612817128181281912820128211282212823128241282512826128271282812829128301283112832128331283412835128361283712838128391284012841128421284312844128451284612847128481284912850128511285212853128541285512856128571285812859128601286112862128631286412865128661286712868128691287012871128721287312874128751287612877128781287912880128811288212883128841288512886128871288812889128901289112892128931289412895128961289712898128991290012901129021290312904129051290612907129081290912910129111291212913129141291512916129171291812919129201292112922129231292412925129261292712928129291293012931129321293312934129351293612937129381293912940129411294212943129441294512946129471294812949129501295112952129531295412955129561295712958129591296012961129621296312964129651296612967129681296912970129711297212973129741297512976129771297812979129801298112982129831298412985129861298712988129891299012991129921299312994129951299612997129981299913000130011300213003130041300513006130071300813009130101301113012130131301413015130161301713018130191302013021130221302313024130251302613027130281302913030130311303213033130341303513036130371303813039130401304113042130431304413045130461304713048130491305013051130521305313054130551305613057130581305913060130611306213063130641306513066130671306813069130701307113072130731307413075130761307713078130791308013081130821308313084130851308613087130881308913090130911309213093130941309513096130971309813099131001310113102131031310413105131061310713108131091311013111131121311313114131151311613117131181311913120131211312213123131241312513126131271312813129131301313113132131331313413135131361313713138131391314013141131421314313144131451314613147131481314913150131511315213153131541315513156131571315813159131601316113162131631316413165131661316713168131691317013171131721317313174131751317613177131781317913180131811318213183131841318513186131871318813189131901319113192131931319413195131961319713198131991320013201132021320313204132051320613207132081320913210132111321213213132141321513216132171321813219132201322113222132231322413225132261322713228132291323013231132321323313234132351323613237132381323913240132411324213243132441324513246132471324813249132501325113252132531325413255132561325713258132591326013261132621326313264132651326613267132681326913270132711327213273132741327513276132771327813279132801328113282132831328413285
  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  128. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  129. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  130. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  131. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  132. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  133. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  134. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  137. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  138. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  139. #define SFP_EEPROM_OPTIONS_SIZE 2
  140. #define EDC_MODE_LINEAR 0x0022
  141. #define EDC_MODE_LIMITING 0x0044
  142. #define EDC_MODE_PASSIVE_DAC 0x0055
  143. /* BRB default for class 0 E2 */
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  148. /* BRB thresholds for E2*/
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  157. /* BRB default for class 0 E3A0 */
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  162. /* BRB thresholds for E3A0 */
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  171. /* BRB default for E3B0 */
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  176. /* BRB thresholds for E3B0 2 port mode*/
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  185. /* only for E3B0*/
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  188. /* Lossy +Lossless GUARANTIED == GUART */
  189. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  190. /* Lossless +Lossless*/
  191. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  192. /* Lossy +Lossy*/
  193. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  194. /* Lossy +Lossless*/
  195. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  196. /* Lossless +Lossless*/
  197. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  198. /* Lossy +Lossy*/
  199. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  200. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  203. /* BRB thresholds for E3B0 4 port mode */
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  212. /* only for E3B0*/
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  215. #define PFC_E3B0_4P_LB_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  220. /* Pause defines*/
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  223. #define DEFAULT_E3B0_LB_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  228. /* ETS defines*/
  229. #define DCBX_INVALID_COS (0xFF)
  230. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  231. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  234. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  235. #define MAX_PACKET_SIZE (9700)
  236. #define MAX_KR_LINK_RETRY 4
  237. /**********************************************************/
  238. /* INTERFACE */
  239. /**********************************************************/
  240. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  241. bnx2x_cl45_write(_bp, _phy, \
  242. (_phy)->def_md_devad, \
  243. (_bank + (_addr & 0xf)), \
  244. _val)
  245. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  246. bnx2x_cl45_read(_bp, _phy, \
  247. (_phy)->def_md_devad, \
  248. (_bank + (_addr & 0xf)), \
  249. _val)
  250. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  251. {
  252. u32 val = REG_RD(bp, reg);
  253. val |= bits;
  254. REG_WR(bp, reg, val);
  255. return val;
  256. }
  257. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  258. {
  259. u32 val = REG_RD(bp, reg);
  260. val &= ~bits;
  261. REG_WR(bp, reg, val);
  262. return val;
  263. }
  264. /******************************************************************/
  265. /* EPIO/GPIO section */
  266. /******************************************************************/
  267. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  268. {
  269. u32 epio_mask, gp_oenable;
  270. *en = 0;
  271. /* Sanity check */
  272. if (epio_pin > 31) {
  273. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  274. return;
  275. }
  276. epio_mask = 1 << epio_pin;
  277. /* Set this EPIO to output */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  280. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  281. }
  282. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  283. {
  284. u32 epio_mask, gp_output, gp_oenable;
  285. /* Sanity check */
  286. if (epio_pin > 31) {
  287. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  288. return;
  289. }
  290. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  291. epio_mask = 1 << epio_pin;
  292. /* Set this EPIO to output */
  293. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  294. if (en)
  295. gp_output |= epio_mask;
  296. else
  297. gp_output &= ~epio_mask;
  298. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  299. /* Set the value for this EPIO */
  300. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  301. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  302. }
  303. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  304. {
  305. if (pin_cfg == PIN_CFG_NA)
  306. return;
  307. if (pin_cfg >= PIN_CFG_EPIO0) {
  308. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  309. } else {
  310. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  311. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  312. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  313. }
  314. }
  315. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  316. {
  317. if (pin_cfg == PIN_CFG_NA)
  318. return -EINVAL;
  319. if (pin_cfg >= PIN_CFG_EPIO0) {
  320. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  321. } else {
  322. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  323. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  324. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  325. }
  326. return 0;
  327. }
  328. /******************************************************************/
  329. /* ETS section */
  330. /******************************************************************/
  331. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  332. {
  333. /* ETS disabled configuration*/
  334. struct bnx2x *bp = params->bp;
  335. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  336. /* mapping between entry priority to client number (0,1,2 -debug and
  337. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  338. * 3bits client num.
  339. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  340. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  343. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  344. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  345. * COS0 entry, 4 - COS1 entry.
  346. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  347. * bit4 bit3 bit2 bit1 bit0
  348. * MCP and debug are strict
  349. */
  350. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  351. /* defines which entries (clients) are subjected to WFQ arbitration */
  352. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  353. /* For strict priority entries defines the number of consecutive
  354. * slots for the highest priority.
  355. */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  357. /* mapping between the CREDIT_WEIGHT registers and actual client
  358. * numbers
  359. */
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  362. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  363. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  364. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  365. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  366. /* ETS mode disable */
  367. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  368. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  369. * weight for COS0/COS1.
  370. */
  371. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  372. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  373. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  374. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  375. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  376. /* Defines the number of consecutive slots for the strict priority */
  377. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  378. }
  379. /******************************************************************************
  380. * Description:
  381. * Getting min_w_val will be set according to line speed .
  382. *.
  383. ******************************************************************************/
  384. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  385. {
  386. u32 min_w_val = 0;
  387. /* Calculate min_w_val.*/
  388. if (vars->link_up) {
  389. if (vars->line_speed == SPEED_20000)
  390. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  391. else
  392. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  393. } else
  394. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  395. /* If the link isn't up (static configuration for example ) The
  396. * link will be according to 20GBPS.
  397. */
  398. return min_w_val;
  399. }
  400. /******************************************************************************
  401. * Description:
  402. * Getting credit upper bound form min_w_val.
  403. *.
  404. ******************************************************************************/
  405. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  406. {
  407. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  408. MAX_PACKET_SIZE);
  409. return credit_upper_bound;
  410. }
  411. /******************************************************************************
  412. * Description:
  413. * Set credit upper bound for NIG.
  414. *.
  415. ******************************************************************************/
  416. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  417. const struct link_params *params,
  418. const u32 min_w_val)
  419. {
  420. struct bnx2x *bp = params->bp;
  421. const u8 port = params->port;
  422. const u32 credit_upper_bound =
  423. bnx2x_ets_get_credit_upper_bound(min_w_val);
  424. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  425. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  426. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  427. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  428. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  429. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  430. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  431. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  436. if (!port) {
  437. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  438. credit_upper_bound);
  439. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  440. credit_upper_bound);
  441. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  442. credit_upper_bound);
  443. }
  444. }
  445. /******************************************************************************
  446. * Description:
  447. * Will return the NIG ETS registers to init values.Except
  448. * credit_upper_bound.
  449. * That isn't used in this configuration (No WFQ is enabled) and will be
  450. * configured acording to spec
  451. *.
  452. ******************************************************************************/
  453. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  454. const struct link_vars *vars)
  455. {
  456. struct bnx2x *bp = params->bp;
  457. const u8 port = params->port;
  458. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  459. /* Mapping between entry priority to client number (0,1,2 -debug and
  460. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  461. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  462. * reset value or init tool
  463. */
  464. if (port) {
  465. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  467. } else {
  468. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  469. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  470. }
  471. /* For strict priority entries defines the number of consecutive
  472. * slots for the highest priority.
  473. */
  474. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  475. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  476. /* Mapping between the CREDIT_WEIGHT registers and actual client
  477. * numbers
  478. */
  479. if (port) {
  480. /*Port 1 has 6 COS*/
  481. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  482. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  483. } else {
  484. /*Port 0 has 9 COS*/
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  486. 0x43210876);
  487. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  488. }
  489. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  490. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  491. * COS0 entry, 4 - COS1 entry.
  492. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  493. * bit4 bit3 bit2 bit1 bit0
  494. * MCP and debug are strict
  495. */
  496. if (port)
  497. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  498. else
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  500. /* defines which entries (clients) are subjected to WFQ arbitration */
  501. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  502. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  503. /* Please notice the register address are note continuous and a
  504. * for here is note appropriate.In 2 port mode port0 only COS0-5
  505. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  506. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  507. * are never used for WFQ
  508. */
  509. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  510. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  511. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  512. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  513. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  514. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  516. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  517. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  518. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  519. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  520. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  521. if (!port) {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  524. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  525. }
  526. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  527. }
  528. /******************************************************************************
  529. * Description:
  530. * Set credit upper bound for PBF.
  531. *.
  532. ******************************************************************************/
  533. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  534. const struct link_params *params,
  535. const u32 min_w_val)
  536. {
  537. struct bnx2x *bp = params->bp;
  538. const u32 credit_upper_bound =
  539. bnx2x_ets_get_credit_upper_bound(min_w_val);
  540. const u8 port = params->port;
  541. u32 base_upper_bound = 0;
  542. u8 max_cos = 0;
  543. u8 i = 0;
  544. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  545. * port mode port1 has COS0-2 that can be used for WFQ.
  546. */
  547. if (!port) {
  548. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  549. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  550. } else {
  551. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  552. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  553. }
  554. for (i = 0; i < max_cos; i++)
  555. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  556. }
  557. /******************************************************************************
  558. * Description:
  559. * Will return the PBF ETS registers to init values.Except
  560. * credit_upper_bound.
  561. * That isn't used in this configuration (No WFQ is enabled) and will be
  562. * configured acording to spec
  563. *.
  564. ******************************************************************************/
  565. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  566. {
  567. struct bnx2x *bp = params->bp;
  568. const u8 port = params->port;
  569. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  570. u8 i = 0;
  571. u32 base_weight = 0;
  572. u8 max_cos = 0;
  573. /* Mapping between entry priority to client number 0 - COS0
  574. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  575. * TODO_ETS - Should be done by reset value or init tool
  576. */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000) */
  579. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  580. else
  581. /* (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  583. /* TODO_ETS - Should be done by reset value or init tool */
  584. if (port)
  585. /* 0x688 (|011|0 10|00 1|000)*/
  586. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  587. else
  588. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  589. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  590. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  591. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  592. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  593. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  594. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  595. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  596. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  597. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  598. */
  599. if (!port) {
  600. base_weight = PBF_REG_COS0_WEIGHT_P0;
  601. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  602. } else {
  603. base_weight = PBF_REG_COS0_WEIGHT_P1;
  604. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  605. }
  606. for (i = 0; i < max_cos; i++)
  607. REG_WR(bp, base_weight + (0x4 * i), 0);
  608. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  609. }
  610. /******************************************************************************
  611. * Description:
  612. * E3B0 disable will return basicly the values to init values.
  613. *.
  614. ******************************************************************************/
  615. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  616. const struct link_vars *vars)
  617. {
  618. struct bnx2x *bp = params->bp;
  619. if (!CHIP_IS_E3B0(bp)) {
  620. DP(NETIF_MSG_LINK,
  621. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  622. return -EINVAL;
  623. }
  624. bnx2x_ets_e3b0_nig_disabled(params, vars);
  625. bnx2x_ets_e3b0_pbf_disabled(params);
  626. return 0;
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * Disable will return basicly the values to init values.
  631. *
  632. ******************************************************************************/
  633. int bnx2x_ets_disabled(struct link_params *params,
  634. struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. int bnx2x_status = 0;
  638. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  639. bnx2x_ets_e2e3a0_disabled(params);
  640. else if (CHIP_IS_E3B0(bp))
  641. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  642. else {
  643. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  644. return -EINVAL;
  645. }
  646. return bnx2x_status;
  647. }
  648. /******************************************************************************
  649. * Description
  650. * Set the COS mappimg to SP and BW until this point all the COS are not
  651. * set as SP or BW.
  652. ******************************************************************************/
  653. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  654. const struct bnx2x_ets_params *ets_params,
  655. const u8 cos_sp_bitmap,
  656. const u8 cos_bw_bitmap)
  657. {
  658. struct bnx2x *bp = params->bp;
  659. const u8 port = params->port;
  660. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  661. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  662. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  663. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  664. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  665. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  666. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  667. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  668. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  669. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  670. nig_cli_subject2wfq_bitmap);
  671. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  672. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  673. pbf_cli_subject2wfq_bitmap);
  674. return 0;
  675. }
  676. /******************************************************************************
  677. * Description:
  678. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  679. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  680. ******************************************************************************/
  681. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  682. const u8 cos_entry,
  683. const u32 min_w_val_nig,
  684. const u32 min_w_val_pbf,
  685. const u16 total_bw,
  686. const u8 bw,
  687. const u8 port)
  688. {
  689. u32 nig_reg_adress_crd_weight = 0;
  690. u32 pbf_reg_adress_crd_weight = 0;
  691. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  692. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  693. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  694. switch (cos_entry) {
  695. case 0:
  696. nig_reg_adress_crd_weight =
  697. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  698. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  699. pbf_reg_adress_crd_weight = (port) ?
  700. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  701. break;
  702. case 1:
  703. nig_reg_adress_crd_weight = (port) ?
  704. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  705. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  706. pbf_reg_adress_crd_weight = (port) ?
  707. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  708. break;
  709. case 2:
  710. nig_reg_adress_crd_weight = (port) ?
  711. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  712. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  713. pbf_reg_adress_crd_weight = (port) ?
  714. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  715. break;
  716. case 3:
  717. if (port)
  718. return -EINVAL;
  719. nig_reg_adress_crd_weight =
  720. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  721. pbf_reg_adress_crd_weight =
  722. PBF_REG_COS3_WEIGHT_P0;
  723. break;
  724. case 4:
  725. if (port)
  726. return -EINVAL;
  727. nig_reg_adress_crd_weight =
  728. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  729. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  730. break;
  731. case 5:
  732. if (port)
  733. return -EINVAL;
  734. nig_reg_adress_crd_weight =
  735. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  736. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  737. break;
  738. }
  739. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  740. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  741. return 0;
  742. }
  743. /******************************************************************************
  744. * Description:
  745. * Calculate the total BW.A value of 0 isn't legal.
  746. *
  747. ******************************************************************************/
  748. static int bnx2x_ets_e3b0_get_total_bw(
  749. const struct link_params *params,
  750. struct bnx2x_ets_params *ets_params,
  751. u16 *total_bw)
  752. {
  753. struct bnx2x *bp = params->bp;
  754. u8 cos_idx = 0;
  755. u8 is_bw_cos_exist = 0;
  756. *total_bw = 0 ;
  757. /* Calculate total BW requested */
  758. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  759. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  760. is_bw_cos_exist = 1;
  761. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  762. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  763. "was set to 0\n");
  764. /* This is to prevent a state when ramrods
  765. * can't be sent
  766. */
  767. ets_params->cos[cos_idx].params.bw_params.bw
  768. = 1;
  769. }
  770. *total_bw +=
  771. ets_params->cos[cos_idx].params.bw_params.bw;
  772. }
  773. }
  774. /* Check total BW is valid */
  775. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  776. if (*total_bw == 0) {
  777. DP(NETIF_MSG_LINK,
  778. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  779. return -EINVAL;
  780. }
  781. DP(NETIF_MSG_LINK,
  782. "bnx2x_ets_E3B0_config total BW should be 100\n");
  783. /* We can handle a case whre the BW isn't 100 this can happen
  784. * if the TC are joined.
  785. */
  786. }
  787. return 0;
  788. }
  789. /******************************************************************************
  790. * Description:
  791. * Invalidate all the sp_pri_to_cos.
  792. *
  793. ******************************************************************************/
  794. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  795. {
  796. u8 pri = 0;
  797. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  798. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  799. }
  800. /******************************************************************************
  801. * Description:
  802. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  803. * according to sp_pri_to_cos.
  804. *
  805. ******************************************************************************/
  806. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  807. u8 *sp_pri_to_cos, const u8 pri,
  808. const u8 cos_entry)
  809. {
  810. struct bnx2x *bp = params->bp;
  811. const u8 port = params->port;
  812. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  813. DCBX_E3B0_MAX_NUM_COS_PORT0;
  814. if (pri >= max_num_of_cos) {
  815. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  816. "parameter Illegal strict priority\n");
  817. return -EINVAL;
  818. }
  819. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  820. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  821. "parameter There can't be two COS's with "
  822. "the same strict pri\n");
  823. return -EINVAL;
  824. }
  825. sp_pri_to_cos[pri] = cos_entry;
  826. return 0;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in
  831. * the sp_pri_cli register.
  832. *
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  835. const u8 pri_set,
  836. const u8 pri_offset,
  837. const u8 entry_size)
  838. {
  839. u64 pri_cli_nig = 0;
  840. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  841. (pri_set + pri_offset));
  842. return pri_cli_nig;
  843. }
  844. /******************************************************************************
  845. * Description:
  846. * Returns the correct value according to COS and priority in the
  847. * sp_pri_cli register for NIG.
  848. *
  849. ******************************************************************************/
  850. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  851. {
  852. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  853. const u8 nig_cos_offset = 3;
  854. const u8 nig_pri_offset = 3;
  855. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  856. nig_pri_offset, 4);
  857. }
  858. /******************************************************************************
  859. * Description:
  860. * Returns the correct value according to COS and priority in the
  861. * sp_pri_cli register for PBF.
  862. *
  863. ******************************************************************************/
  864. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  865. {
  866. const u8 pbf_cos_offset = 0;
  867. const u8 pbf_pri_offset = 0;
  868. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  869. pbf_pri_offset, 3);
  870. }
  871. /******************************************************************************
  872. * Description:
  873. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  874. * according to sp_pri_to_cos.(which COS has higher priority)
  875. *
  876. ******************************************************************************/
  877. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  878. u8 *sp_pri_to_cos)
  879. {
  880. struct bnx2x *bp = params->bp;
  881. u8 i = 0;
  882. const u8 port = params->port;
  883. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  884. u64 pri_cli_nig = 0x210;
  885. u32 pri_cli_pbf = 0x0;
  886. u8 pri_set = 0;
  887. u8 pri_bitmask = 0;
  888. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  889. DCBX_E3B0_MAX_NUM_COS_PORT0;
  890. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  891. /* Set all the strict priority first */
  892. for (i = 0; i < max_num_of_cos; i++) {
  893. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  894. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  895. DP(NETIF_MSG_LINK,
  896. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  897. "invalid cos entry\n");
  898. return -EINVAL;
  899. }
  900. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  901. sp_pri_to_cos[i], pri_set);
  902. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  903. sp_pri_to_cos[i], pri_set);
  904. pri_bitmask = 1 << sp_pri_to_cos[i];
  905. /* COS is used remove it from bitmap.*/
  906. if (!(pri_bitmask & cos_bit_to_set)) {
  907. DP(NETIF_MSG_LINK,
  908. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  909. "invalid There can't be two COS's with"
  910. " the same strict pri\n");
  911. return -EINVAL;
  912. }
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. /* Set all the Non strict priority i= COS*/
  918. for (i = 0; i < max_num_of_cos; i++) {
  919. pri_bitmask = 1 << i;
  920. /* Check if COS was already used for SP */
  921. if (pri_bitmask & cos_bit_to_set) {
  922. /* COS wasn't used for SP */
  923. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  924. i, pri_set);
  925. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  926. i, pri_set);
  927. /* COS is used remove it from bitmap.*/
  928. cos_bit_to_set &= ~pri_bitmask;
  929. pri_set++;
  930. }
  931. }
  932. if (pri_set != max_num_of_cos) {
  933. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  934. "entries were set\n");
  935. return -EINVAL;
  936. }
  937. if (port) {
  938. /* Only 6 usable clients*/
  939. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  940. (u32)pri_cli_nig);
  941. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  942. } else {
  943. /* Only 9 usable clients*/
  944. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  945. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  946. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  947. pri_cli_nig_lsb);
  948. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  949. pri_cli_nig_msb);
  950. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  951. }
  952. return 0;
  953. }
  954. /******************************************************************************
  955. * Description:
  956. * Configure the COS to ETS according to BW and SP settings.
  957. ******************************************************************************/
  958. int bnx2x_ets_e3b0_config(const struct link_params *params,
  959. const struct link_vars *vars,
  960. struct bnx2x_ets_params *ets_params)
  961. {
  962. struct bnx2x *bp = params->bp;
  963. int bnx2x_status = 0;
  964. const u8 port = params->port;
  965. u16 total_bw = 0;
  966. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  967. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  968. u8 cos_bw_bitmap = 0;
  969. u8 cos_sp_bitmap = 0;
  970. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  971. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  972. DCBX_E3B0_MAX_NUM_COS_PORT0;
  973. u8 cos_entry = 0;
  974. if (!CHIP_IS_E3B0(bp)) {
  975. DP(NETIF_MSG_LINK,
  976. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  977. return -EINVAL;
  978. }
  979. if ((ets_params->num_of_cos > max_num_of_cos)) {
  980. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  981. "isn't supported\n");
  982. return -EINVAL;
  983. }
  984. /* Prepare sp strict priority parameters*/
  985. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  986. /* Prepare BW parameters*/
  987. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  988. &total_bw);
  989. if (bnx2x_status) {
  990. DP(NETIF_MSG_LINK,
  991. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  992. return -EINVAL;
  993. }
  994. /* Upper bound is set according to current link speed (min_w_val
  995. * should be the same for upper bound and COS credit val).
  996. */
  997. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  998. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  999. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1000. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1001. cos_bw_bitmap |= (1 << cos_entry);
  1002. /* The function also sets the BW in HW(not the mappin
  1003. * yet)
  1004. */
  1005. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1006. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1007. total_bw,
  1008. ets_params->cos[cos_entry].params.bw_params.bw,
  1009. port);
  1010. } else if (bnx2x_cos_state_strict ==
  1011. ets_params->cos[cos_entry].state){
  1012. cos_sp_bitmap |= (1 << cos_entry);
  1013. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1014. params,
  1015. sp_pri_to_cos,
  1016. ets_params->cos[cos_entry].params.sp_params.pri,
  1017. cos_entry);
  1018. } else {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_e3b0_config cos state not valid\n");
  1021. return -EINVAL;
  1022. }
  1023. if (bnx2x_status) {
  1024. DP(NETIF_MSG_LINK,
  1025. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1026. return bnx2x_status;
  1027. }
  1028. }
  1029. /* Set SP register (which COS has higher priority) */
  1030. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1031. sp_pri_to_cos);
  1032. if (bnx2x_status) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1035. return bnx2x_status;
  1036. }
  1037. /* Set client mapping of BW and strict */
  1038. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1039. cos_sp_bitmap,
  1040. cos_bw_bitmap);
  1041. if (bnx2x_status) {
  1042. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1043. return bnx2x_status;
  1044. }
  1045. return 0;
  1046. }
  1047. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1048. {
  1049. /* ETS disabled configuration */
  1050. struct bnx2x *bp = params->bp;
  1051. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1052. /* Defines which entries (clients) are subjected to WFQ arbitration
  1053. * COS0 0x8
  1054. * COS1 0x10
  1055. */
  1056. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1057. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1058. * client numbers (WEIGHT_0 does not actually have to represent
  1059. * client 0)
  1060. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1061. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1062. */
  1063. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1064. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1065. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1066. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1067. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1068. /* ETS mode enabled*/
  1069. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1070. /* Defines the number of consecutive slots for the strict priority */
  1071. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1072. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1073. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1074. * entry, 4 - COS1 entry.
  1075. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1076. * bit4 bit3 bit2 bit1 bit0
  1077. * MCP and debug are strict
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1080. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1081. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1082. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1083. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1084. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1085. }
  1086. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1087. const u32 cos1_bw)
  1088. {
  1089. /* ETS disabled configuration*/
  1090. struct bnx2x *bp = params->bp;
  1091. const u32 total_bw = cos0_bw + cos1_bw;
  1092. u32 cos0_credit_weight = 0;
  1093. u32 cos1_credit_weight = 0;
  1094. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1095. if ((!total_bw) ||
  1096. (!cos0_bw) ||
  1097. (!cos1_bw)) {
  1098. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1099. return;
  1100. }
  1101. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1102. total_bw;
  1103. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1104. total_bw;
  1105. bnx2x_ets_bw_limit_common(params);
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1108. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1109. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1110. }
  1111. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1112. {
  1113. /* ETS disabled configuration*/
  1114. struct bnx2x *bp = params->bp;
  1115. u32 val = 0;
  1116. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1117. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1118. * as strict. Bits 0,1,2 - debug and management entries,
  1119. * 3 - COS0 entry, 4 - COS1 entry.
  1120. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1121. * bit4 bit3 bit2 bit1 bit0
  1122. * MCP and debug are strict
  1123. */
  1124. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1125. /* For strict priority entries defines the number of consecutive slots
  1126. * for the highest priority.
  1127. */
  1128. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1129. /* ETS mode disable */
  1130. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1131. /* Defines the number of consecutive slots for the strict priority */
  1132. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1133. /* Defines the number of consecutive slots for the strict priority */
  1134. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1135. /* Mapping between entry priority to client number (0,1,2 -debug and
  1136. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1137. * 3bits client num.
  1138. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1139. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1140. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1141. */
  1142. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1143. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1144. return 0;
  1145. }
  1146. /******************************************************************/
  1147. /* EEE section */
  1148. /******************************************************************/
  1149. static u8 bnx2x_eee_has_cap(struct link_params *params)
  1150. {
  1151. struct bnx2x *bp = params->bp;
  1152. if (REG_RD(bp, params->shmem2_base) <=
  1153. offsetof(struct shmem2_region, eee_status[params->port]))
  1154. return 0;
  1155. return 1;
  1156. }
  1157. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  1158. {
  1159. switch (nvram_mode) {
  1160. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  1161. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  1162. break;
  1163. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  1164. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  1165. break;
  1166. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  1167. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  1168. break;
  1169. default:
  1170. *idle_timer = 0;
  1171. break;
  1172. }
  1173. return 0;
  1174. }
  1175. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  1176. {
  1177. switch (idle_timer) {
  1178. case EEE_MODE_NVRAM_BALANCED_TIME:
  1179. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  1180. break;
  1181. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  1182. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  1183. break;
  1184. case EEE_MODE_NVRAM_LATENCY_TIME:
  1185. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  1186. break;
  1187. default:
  1188. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  1189. break;
  1190. }
  1191. return 0;
  1192. }
  1193. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  1194. {
  1195. u32 eee_mode, eee_idle;
  1196. struct bnx2x *bp = params->bp;
  1197. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  1198. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  1199. /* time value in eee_mode --> used directly*/
  1200. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  1201. } else {
  1202. /* hsi value in eee_mode --> time */
  1203. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  1204. EEE_MODE_NVRAM_MASK,
  1205. &eee_idle))
  1206. return 0;
  1207. }
  1208. } else {
  1209. /* hsi values in nvram --> time*/
  1210. eee_mode = ((REG_RD(bp, params->shmem_base +
  1211. offsetof(struct shmem_region, dev_info.
  1212. port_feature_config[params->port].
  1213. eee_power_mode)) &
  1214. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  1215. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  1216. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  1217. return 0;
  1218. }
  1219. return eee_idle;
  1220. }
  1221. /******************************************************************/
  1222. /* PFC section */
  1223. /******************************************************************/
  1224. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1225. struct link_vars *vars,
  1226. u8 is_lb)
  1227. {
  1228. struct bnx2x *bp = params->bp;
  1229. u32 xmac_base;
  1230. u32 pause_val, pfc0_val, pfc1_val;
  1231. /* XMAC base adrr */
  1232. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1233. /* Initialize pause and pfc registers */
  1234. pause_val = 0x18000;
  1235. pfc0_val = 0xFFFF8000;
  1236. pfc1_val = 0x2;
  1237. /* No PFC support */
  1238. if (!(params->feature_config_flags &
  1239. FEATURE_CONFIG_PFC_ENABLED)) {
  1240. /* RX flow control - Process pause frame in receive direction
  1241. */
  1242. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1243. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1244. /* TX flow control - Send pause packet when buffer is full */
  1245. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1246. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1247. } else {/* PFC support */
  1248. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1249. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1250. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1251. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1252. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1253. /* Write pause and PFC registers */
  1254. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1255. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1256. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1257. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1258. }
  1259. /* Write pause and PFC registers */
  1260. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1261. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1262. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1263. /* Set MAC address for source TX Pause/PFC frames */
  1264. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1265. ((params->mac_addr[2] << 24) |
  1266. (params->mac_addr[3] << 16) |
  1267. (params->mac_addr[4] << 8) |
  1268. (params->mac_addr[5])));
  1269. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1270. ((params->mac_addr[0] << 8) |
  1271. (params->mac_addr[1])));
  1272. udelay(30);
  1273. }
  1274. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1275. u32 pfc_frames_sent[2],
  1276. u32 pfc_frames_received[2])
  1277. {
  1278. /* Read pfc statistic */
  1279. struct bnx2x *bp = params->bp;
  1280. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1281. u32 val_xon = 0;
  1282. u32 val_xoff = 0;
  1283. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1284. /* PFC received frames */
  1285. val_xoff = REG_RD(bp, emac_base +
  1286. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1287. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1288. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1289. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1290. pfc_frames_received[0] = val_xon + val_xoff;
  1291. /* PFC received sent */
  1292. val_xoff = REG_RD(bp, emac_base +
  1293. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1294. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1295. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1296. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1297. pfc_frames_sent[0] = val_xon + val_xoff;
  1298. }
  1299. /* Read pfc statistic*/
  1300. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1301. u32 pfc_frames_sent[2],
  1302. u32 pfc_frames_received[2])
  1303. {
  1304. /* Read pfc statistic */
  1305. struct bnx2x *bp = params->bp;
  1306. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1307. if (!vars->link_up)
  1308. return;
  1309. if (vars->mac_type == MAC_TYPE_EMAC) {
  1310. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1311. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1312. pfc_frames_received);
  1313. }
  1314. }
  1315. /******************************************************************/
  1316. /* MAC/PBF section */
  1317. /******************************************************************/
  1318. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1319. {
  1320. u32 mode, emac_base;
  1321. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1322. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1323. */
  1324. if (CHIP_IS_E2(bp))
  1325. emac_base = GRCBASE_EMAC0;
  1326. else
  1327. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1328. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1329. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1330. EMAC_MDIO_MODE_CLOCK_CNT);
  1331. if (USES_WARPCORE(bp))
  1332. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1333. else
  1334. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1335. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1336. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1337. udelay(40);
  1338. }
  1339. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1340. {
  1341. u32 port4mode_ovwr_val;
  1342. /* Check 4-port override enabled */
  1343. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1344. if (port4mode_ovwr_val & (1<<0)) {
  1345. /* Return 4-port mode override value */
  1346. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1347. }
  1348. /* Return 4-port mode from input pin */
  1349. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1350. }
  1351. static void bnx2x_emac_init(struct link_params *params,
  1352. struct link_vars *vars)
  1353. {
  1354. /* reset and unreset the emac core */
  1355. struct bnx2x *bp = params->bp;
  1356. u8 port = params->port;
  1357. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1358. u32 val;
  1359. u16 timeout;
  1360. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1361. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1362. udelay(5);
  1363. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1364. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1365. /* init emac - use read-modify-write */
  1366. /* self clear reset */
  1367. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1368. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1369. timeout = 200;
  1370. do {
  1371. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1372. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1373. if (!timeout) {
  1374. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1375. return;
  1376. }
  1377. timeout--;
  1378. } while (val & EMAC_MODE_RESET);
  1379. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1380. /* Set mac address */
  1381. val = ((params->mac_addr[0] << 8) |
  1382. params->mac_addr[1]);
  1383. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1384. val = ((params->mac_addr[2] << 24) |
  1385. (params->mac_addr[3] << 16) |
  1386. (params->mac_addr[4] << 8) |
  1387. params->mac_addr[5]);
  1388. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1389. }
  1390. static void bnx2x_set_xumac_nig(struct link_params *params,
  1391. u16 tx_pause_en,
  1392. u8 enable)
  1393. {
  1394. struct bnx2x *bp = params->bp;
  1395. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1396. enable);
  1397. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1398. enable);
  1399. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1400. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1401. }
  1402. static void bnx2x_umac_disable(struct link_params *params)
  1403. {
  1404. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1405. struct bnx2x *bp = params->bp;
  1406. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1407. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1408. return;
  1409. /* Disable RX and TX */
  1410. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1411. }
  1412. static void bnx2x_umac_enable(struct link_params *params,
  1413. struct link_vars *vars, u8 lb)
  1414. {
  1415. u32 val;
  1416. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1417. struct bnx2x *bp = params->bp;
  1418. /* Reset UMAC */
  1419. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1420. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1421. usleep_range(1000, 2000);
  1422. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1423. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1424. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1425. /* This register opens the gate for the UMAC despite its name */
  1426. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1427. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1428. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1429. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1430. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1431. switch (vars->line_speed) {
  1432. case SPEED_10:
  1433. val |= (0<<2);
  1434. break;
  1435. case SPEED_100:
  1436. val |= (1<<2);
  1437. break;
  1438. case SPEED_1000:
  1439. val |= (2<<2);
  1440. break;
  1441. case SPEED_2500:
  1442. val |= (3<<2);
  1443. break;
  1444. default:
  1445. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1446. vars->line_speed);
  1447. break;
  1448. }
  1449. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1450. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1451. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1452. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1453. if (vars->duplex == DUPLEX_HALF)
  1454. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1455. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1456. udelay(50);
  1457. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1458. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1459. ((params->mac_addr[2] << 24) |
  1460. (params->mac_addr[3] << 16) |
  1461. (params->mac_addr[4] << 8) |
  1462. (params->mac_addr[5])));
  1463. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1464. ((params->mac_addr[0] << 8) |
  1465. (params->mac_addr[1])));
  1466. /* Enable RX and TX */
  1467. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1468. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1469. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1470. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1471. udelay(50);
  1472. /* Remove SW Reset */
  1473. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1474. /* Check loopback mode */
  1475. if (lb)
  1476. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1477. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1478. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1479. * length used by the MAC receive logic to check frames.
  1480. */
  1481. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1482. bnx2x_set_xumac_nig(params,
  1483. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1484. vars->mac_type = MAC_TYPE_UMAC;
  1485. }
  1486. /* Define the XMAC mode */
  1487. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1488. {
  1489. struct bnx2x *bp = params->bp;
  1490. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1491. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1492. * already out of reset, it means the mode has already been set,
  1493. * and it must not* reset the XMAC again, since it controls both
  1494. * ports of the path
  1495. */
  1496. if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
  1497. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1498. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1499. DP(NETIF_MSG_LINK,
  1500. "XMAC already out of reset in 4-port mode\n");
  1501. return;
  1502. }
  1503. /* Hard reset */
  1504. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1505. MISC_REGISTERS_RESET_REG_2_XMAC);
  1506. usleep_range(1000, 2000);
  1507. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1508. MISC_REGISTERS_RESET_REG_2_XMAC);
  1509. if (is_port4mode) {
  1510. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1511. /* Set the number of ports on the system side to up to 2 */
  1512. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1513. /* Set the number of ports on the Warp Core to 10G */
  1514. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1515. } else {
  1516. /* Set the number of ports on the system side to 1 */
  1517. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1518. if (max_speed == SPEED_10000) {
  1519. DP(NETIF_MSG_LINK,
  1520. "Init XMAC to 10G x 1 port per path\n");
  1521. /* Set the number of ports on the Warp Core to 10G */
  1522. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1523. } else {
  1524. DP(NETIF_MSG_LINK,
  1525. "Init XMAC to 20G x 2 ports per path\n");
  1526. /* Set the number of ports on the Warp Core to 20G */
  1527. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1528. }
  1529. }
  1530. /* Soft reset */
  1531. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1532. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1533. usleep_range(1000, 2000);
  1534. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1535. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1536. }
  1537. static void bnx2x_xmac_disable(struct link_params *params)
  1538. {
  1539. u8 port = params->port;
  1540. struct bnx2x *bp = params->bp;
  1541. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1543. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1544. /* Send an indication to change the state in the NIG back to XON
  1545. * Clearing this bit enables the next set of this bit to get
  1546. * rising edge
  1547. */
  1548. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1549. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1550. (pfc_ctrl & ~(1<<1)));
  1551. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1552. (pfc_ctrl | (1<<1)));
  1553. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1554. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1555. }
  1556. }
  1557. static int bnx2x_xmac_enable(struct link_params *params,
  1558. struct link_vars *vars, u8 lb)
  1559. {
  1560. u32 val, xmac_base;
  1561. struct bnx2x *bp = params->bp;
  1562. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1563. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1564. bnx2x_xmac_init(params, vars->line_speed);
  1565. /* This register determines on which events the MAC will assert
  1566. * error on the i/f to the NIG along w/ EOP.
  1567. */
  1568. /* This register tells the NIG whether to send traffic to UMAC
  1569. * or XMAC
  1570. */
  1571. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1572. /* Set Max packet size */
  1573. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1574. /* CRC append for Tx packets */
  1575. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1576. /* update PFC */
  1577. bnx2x_update_pfc_xmac(params, vars, 0);
  1578. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1579. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1580. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1581. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1582. } else {
  1583. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1584. }
  1585. /* Enable TX and RX */
  1586. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1587. /* Check loopback mode */
  1588. if (lb)
  1589. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1590. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1591. bnx2x_set_xumac_nig(params,
  1592. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1593. vars->mac_type = MAC_TYPE_XMAC;
  1594. return 0;
  1595. }
  1596. static int bnx2x_emac_enable(struct link_params *params,
  1597. struct link_vars *vars, u8 lb)
  1598. {
  1599. struct bnx2x *bp = params->bp;
  1600. u8 port = params->port;
  1601. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1602. u32 val;
  1603. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1604. /* Disable BMAC */
  1605. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1606. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1607. /* enable emac and not bmac */
  1608. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1609. /* ASIC */
  1610. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1611. u32 ser_lane = ((params->lane_config &
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1613. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1614. DP(NETIF_MSG_LINK, "XGXS\n");
  1615. /* select the master lanes (out of 0-3) */
  1616. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1617. /* select XGXS */
  1618. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1619. } else { /* SerDes */
  1620. DP(NETIF_MSG_LINK, "SerDes\n");
  1621. /* select SerDes */
  1622. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1623. }
  1624. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_RESET);
  1626. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. EMAC_TX_MODE_RESET);
  1628. /* pause enable/disable */
  1629. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1630. EMAC_RX_MODE_FLOW_EN);
  1631. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1632. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1633. EMAC_TX_MODE_FLOW_EN));
  1634. if (!(params->feature_config_flags &
  1635. FEATURE_CONFIG_PFC_ENABLED)) {
  1636. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1637. bnx2x_bits_en(bp, emac_base +
  1638. EMAC_REG_EMAC_RX_MODE,
  1639. EMAC_RX_MODE_FLOW_EN);
  1640. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1641. bnx2x_bits_en(bp, emac_base +
  1642. EMAC_REG_EMAC_TX_MODE,
  1643. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1644. EMAC_TX_MODE_FLOW_EN));
  1645. } else
  1646. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1647. EMAC_TX_MODE_FLOW_EN);
  1648. /* KEEP_VLAN_TAG, promiscuous */
  1649. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1650. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1651. /* Setting this bit causes MAC control frames (except for pause
  1652. * frames) to be passed on for processing. This setting has no
  1653. * affect on the operation of the pause frames. This bit effects
  1654. * all packets regardless of RX Parser packet sorting logic.
  1655. * Turn the PFC off to make sure we are in Xon state before
  1656. * enabling it.
  1657. */
  1658. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1659. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1660. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1661. /* Enable PFC again */
  1662. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1663. EMAC_REG_RX_PFC_MODE_RX_EN |
  1664. EMAC_REG_RX_PFC_MODE_TX_EN |
  1665. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1666. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1667. ((0x0101 <<
  1668. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1669. (0x00ff <<
  1670. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1671. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1672. }
  1673. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1674. /* Set Loopback */
  1675. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1676. if (lb)
  1677. val |= 0x810;
  1678. else
  1679. val &= ~0x810;
  1680. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1681. /* Enable emac */
  1682. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1683. /* Enable emac for jumbo packets */
  1684. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1685. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1686. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1687. /* Strip CRC */
  1688. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1689. /* Disable the NIG in/out to the bmac */
  1690. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1691. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1692. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1693. /* Enable the NIG in/out to the emac */
  1694. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1695. val = 0;
  1696. if ((params->feature_config_flags &
  1697. FEATURE_CONFIG_PFC_ENABLED) ||
  1698. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1699. val = 1;
  1700. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1701. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1702. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1703. vars->mac_type = MAC_TYPE_EMAC;
  1704. return 0;
  1705. }
  1706. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1707. struct link_vars *vars)
  1708. {
  1709. u32 wb_data[2];
  1710. struct bnx2x *bp = params->bp;
  1711. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1712. NIG_REG_INGRESS_BMAC0_MEM;
  1713. u32 val = 0x14;
  1714. if ((!(params->feature_config_flags &
  1715. FEATURE_CONFIG_PFC_ENABLED)) &&
  1716. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1717. /* Enable BigMAC to react on received Pause packets */
  1718. val |= (1<<5);
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1722. /* TX control */
  1723. val = 0xc0;
  1724. if (!(params->feature_config_flags &
  1725. FEATURE_CONFIG_PFC_ENABLED) &&
  1726. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1727. val |= 0x800000;
  1728. wb_data[0] = val;
  1729. wb_data[1] = 0;
  1730. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1731. }
  1732. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1733. struct link_vars *vars,
  1734. u8 is_lb)
  1735. {
  1736. /* Set rx control: Strip CRC and enable BigMAC to relay
  1737. * control packets to the system as well
  1738. */
  1739. u32 wb_data[2];
  1740. struct bnx2x *bp = params->bp;
  1741. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1742. NIG_REG_INGRESS_BMAC0_MEM;
  1743. u32 val = 0x14;
  1744. if ((!(params->feature_config_flags &
  1745. FEATURE_CONFIG_PFC_ENABLED)) &&
  1746. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1747. /* Enable BigMAC to react on received Pause packets */
  1748. val |= (1<<5);
  1749. wb_data[0] = val;
  1750. wb_data[1] = 0;
  1751. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1752. udelay(30);
  1753. /* Tx control */
  1754. val = 0xc0;
  1755. if (!(params->feature_config_flags &
  1756. FEATURE_CONFIG_PFC_ENABLED) &&
  1757. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1758. val |= 0x800000;
  1759. wb_data[0] = val;
  1760. wb_data[1] = 0;
  1761. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1762. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1763. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1764. /* Enable PFC RX & TX & STATS and set 8 COS */
  1765. wb_data[0] = 0x0;
  1766. wb_data[0] |= (1<<0); /* RX */
  1767. wb_data[0] |= (1<<1); /* TX */
  1768. wb_data[0] |= (1<<2); /* Force initial Xon */
  1769. wb_data[0] |= (1<<3); /* 8 cos */
  1770. wb_data[0] |= (1<<5); /* STATS */
  1771. wb_data[1] = 0;
  1772. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1773. wb_data, 2);
  1774. /* Clear the force Xon */
  1775. wb_data[0] &= ~(1<<2);
  1776. } else {
  1777. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1778. /* Disable PFC RX & TX & STATS and set 8 COS */
  1779. wb_data[0] = 0x8;
  1780. wb_data[1] = 0;
  1781. }
  1782. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1783. /* Set Time (based unit is 512 bit time) between automatic
  1784. * re-sending of PP packets amd enable automatic re-send of
  1785. * Per-Priroity Packet as long as pp_gen is asserted and
  1786. * pp_disable is low.
  1787. */
  1788. val = 0x8000;
  1789. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1790. val |= (1<<16); /* enable automatic re-send */
  1791. wb_data[0] = val;
  1792. wb_data[1] = 0;
  1793. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1794. wb_data, 2);
  1795. /* mac control */
  1796. val = 0x3; /* Enable RX and TX */
  1797. if (is_lb) {
  1798. val |= 0x4; /* Local loopback */
  1799. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1800. }
  1801. /* When PFC enabled, Pass pause frames towards the NIG. */
  1802. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1803. val |= ((1<<6)|(1<<5));
  1804. wb_data[0] = val;
  1805. wb_data[1] = 0;
  1806. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1807. }
  1808. /* PFC BRB internal port configuration params */
  1809. struct bnx2x_pfc_brb_threshold_val {
  1810. u32 pause_xoff;
  1811. u32 pause_xon;
  1812. u32 full_xoff;
  1813. u32 full_xon;
  1814. };
  1815. struct bnx2x_pfc_brb_e3b0_val {
  1816. u32 per_class_guaranty_mode;
  1817. u32 lb_guarantied_hyst;
  1818. u32 full_lb_xoff_th;
  1819. u32 full_lb_xon_threshold;
  1820. u32 lb_guarantied;
  1821. u32 mac_0_class_t_guarantied;
  1822. u32 mac_0_class_t_guarantied_hyst;
  1823. u32 mac_1_class_t_guarantied;
  1824. u32 mac_1_class_t_guarantied_hyst;
  1825. };
  1826. struct bnx2x_pfc_brb_th_val {
  1827. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1828. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1829. struct bnx2x_pfc_brb_threshold_val default_class0;
  1830. struct bnx2x_pfc_brb_threshold_val default_class1;
  1831. };
  1832. static int bnx2x_pfc_brb_get_config_params(
  1833. struct link_params *params,
  1834. struct bnx2x_pfc_brb_th_val *config_val)
  1835. {
  1836. struct bnx2x *bp = params->bp;
  1837. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1838. config_val->default_class1.pause_xoff = 0;
  1839. config_val->default_class1.pause_xon = 0;
  1840. config_val->default_class1.full_xoff = 0;
  1841. config_val->default_class1.full_xon = 0;
  1842. if (CHIP_IS_E2(bp)) {
  1843. /* Class0 defaults */
  1844. config_val->default_class0.pause_xoff =
  1845. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1846. config_val->default_class0.pause_xon =
  1847. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1848. config_val->default_class0.full_xoff =
  1849. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1850. config_val->default_class0.full_xon =
  1851. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1852. /* Pause able*/
  1853. config_val->pauseable_th.pause_xoff =
  1854. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1855. config_val->pauseable_th.pause_xon =
  1856. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1857. config_val->pauseable_th.full_xoff =
  1858. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1859. config_val->pauseable_th.full_xon =
  1860. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1861. /* Non pause able*/
  1862. config_val->non_pauseable_th.pause_xoff =
  1863. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1864. config_val->non_pauseable_th.pause_xon =
  1865. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1866. config_val->non_pauseable_th.full_xoff =
  1867. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1868. config_val->non_pauseable_th.full_xon =
  1869. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1870. } else if (CHIP_IS_E3A0(bp)) {
  1871. /* Class0 defaults */
  1872. config_val->default_class0.pause_xoff =
  1873. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1874. config_val->default_class0.pause_xon =
  1875. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1876. config_val->default_class0.full_xoff =
  1877. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1878. config_val->default_class0.full_xon =
  1879. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1880. /* Pause able */
  1881. config_val->pauseable_th.pause_xoff =
  1882. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1883. config_val->pauseable_th.pause_xon =
  1884. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1885. config_val->pauseable_th.full_xoff =
  1886. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1887. config_val->pauseable_th.full_xon =
  1888. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1889. /* Non pause able*/
  1890. config_val->non_pauseable_th.pause_xoff =
  1891. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1892. config_val->non_pauseable_th.pause_xon =
  1893. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1894. config_val->non_pauseable_th.full_xoff =
  1895. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1896. config_val->non_pauseable_th.full_xon =
  1897. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1898. } else if (CHIP_IS_E3B0(bp)) {
  1899. /* Class0 defaults */
  1900. config_val->default_class0.pause_xoff =
  1901. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1902. config_val->default_class0.pause_xon =
  1903. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1904. config_val->default_class0.full_xoff =
  1905. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1906. config_val->default_class0.full_xon =
  1907. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1908. if (params->phy[INT_PHY].flags &
  1909. FLAGS_4_PORT_MODE) {
  1910. config_val->pauseable_th.pause_xoff =
  1911. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1912. config_val->pauseable_th.pause_xon =
  1913. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1914. config_val->pauseable_th.full_xoff =
  1915. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1916. config_val->pauseable_th.full_xon =
  1917. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1918. /* Non pause able*/
  1919. config_val->non_pauseable_th.pause_xoff =
  1920. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1921. config_val->non_pauseable_th.pause_xon =
  1922. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1923. config_val->non_pauseable_th.full_xoff =
  1924. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1925. config_val->non_pauseable_th.full_xon =
  1926. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1927. } else {
  1928. config_val->pauseable_th.pause_xoff =
  1929. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1930. config_val->pauseable_th.pause_xon =
  1931. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1932. config_val->pauseable_th.full_xoff =
  1933. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1934. config_val->pauseable_th.full_xon =
  1935. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1936. /* Non pause able*/
  1937. config_val->non_pauseable_th.pause_xoff =
  1938. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1939. config_val->non_pauseable_th.pause_xon =
  1940. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1941. config_val->non_pauseable_th.full_xoff =
  1942. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1943. config_val->non_pauseable_th.full_xon =
  1944. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1945. }
  1946. } else
  1947. return -EINVAL;
  1948. return 0;
  1949. }
  1950. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1951. struct link_params *params,
  1952. struct bnx2x_pfc_brb_e3b0_val
  1953. *e3b0_val,
  1954. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1955. const u8 pfc_enabled)
  1956. {
  1957. if (pfc_enabled && pfc_params) {
  1958. e3b0_val->per_class_guaranty_mode = 1;
  1959. e3b0_val->lb_guarantied_hyst = 80;
  1960. if (params->phy[INT_PHY].flags &
  1961. FLAGS_4_PORT_MODE) {
  1962. e3b0_val->full_lb_xoff_th =
  1963. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1964. e3b0_val->full_lb_xon_threshold =
  1965. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1966. e3b0_val->lb_guarantied =
  1967. PFC_E3B0_4P_LB_GUART;
  1968. e3b0_val->mac_0_class_t_guarantied =
  1969. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1970. e3b0_val->mac_0_class_t_guarantied_hyst =
  1971. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1972. e3b0_val->mac_1_class_t_guarantied =
  1973. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1974. e3b0_val->mac_1_class_t_guarantied_hyst =
  1975. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1976. } else {
  1977. e3b0_val->full_lb_xoff_th =
  1978. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1979. e3b0_val->full_lb_xon_threshold =
  1980. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1981. e3b0_val->mac_0_class_t_guarantied_hyst =
  1982. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1983. e3b0_val->mac_1_class_t_guarantied =
  1984. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1985. e3b0_val->mac_1_class_t_guarantied_hyst =
  1986. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1987. if (pfc_params->cos0_pauseable !=
  1988. pfc_params->cos1_pauseable) {
  1989. /* Nonpauseable= Lossy + pauseable = Lossless*/
  1990. e3b0_val->lb_guarantied =
  1991. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1992. e3b0_val->mac_0_class_t_guarantied =
  1993. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1994. } else if (pfc_params->cos0_pauseable) {
  1995. /* Lossless +Lossless*/
  1996. e3b0_val->lb_guarantied =
  1997. PFC_E3B0_2P_PAUSE_LB_GUART;
  1998. e3b0_val->mac_0_class_t_guarantied =
  1999. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  2000. } else {
  2001. /* Lossy +Lossy*/
  2002. e3b0_val->lb_guarantied =
  2003. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  2004. e3b0_val->mac_0_class_t_guarantied =
  2005. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  2006. }
  2007. }
  2008. } else {
  2009. e3b0_val->per_class_guaranty_mode = 0;
  2010. e3b0_val->lb_guarantied_hyst = 0;
  2011. e3b0_val->full_lb_xoff_th =
  2012. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  2013. e3b0_val->full_lb_xon_threshold =
  2014. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  2015. e3b0_val->lb_guarantied =
  2016. DEFAULT_E3B0_LB_GUART;
  2017. e3b0_val->mac_0_class_t_guarantied =
  2018. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  2019. e3b0_val->mac_0_class_t_guarantied_hyst =
  2020. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  2021. e3b0_val->mac_1_class_t_guarantied =
  2022. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  2023. e3b0_val->mac_1_class_t_guarantied_hyst =
  2024. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  2025. }
  2026. }
  2027. static int bnx2x_update_pfc_brb(struct link_params *params,
  2028. struct link_vars *vars,
  2029. struct bnx2x_nig_brb_pfc_port_params
  2030. *pfc_params)
  2031. {
  2032. struct bnx2x *bp = params->bp;
  2033. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2034. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2035. &config_val.pauseable_th;
  2036. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2037. const int set_pfc = params->feature_config_flags &
  2038. FEATURE_CONFIG_PFC_ENABLED;
  2039. const u8 pfc_enabled = (set_pfc && pfc_params);
  2040. int bnx2x_status = 0;
  2041. u8 port = params->port;
  2042. /* default - pause configuration */
  2043. reg_th_config = &config_val.pauseable_th;
  2044. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2045. if (bnx2x_status)
  2046. return bnx2x_status;
  2047. if (pfc_enabled) {
  2048. /* First COS */
  2049. if (pfc_params->cos0_pauseable)
  2050. reg_th_config = &config_val.pauseable_th;
  2051. else
  2052. reg_th_config = &config_val.non_pauseable_th;
  2053. } else
  2054. reg_th_config = &config_val.default_class0;
  2055. /* The number of free blocks below which the pause signal to class 0
  2056. * of MAC #n is asserted. n=0,1
  2057. */
  2058. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2059. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2060. reg_th_config->pause_xoff);
  2061. /* The number of free blocks above which the pause signal to class 0
  2062. * of MAC #n is de-asserted. n=0,1
  2063. */
  2064. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2065. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2066. /* The number of free blocks below which the full signal to class 0
  2067. * of MAC #n is asserted. n=0,1
  2068. */
  2069. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2070. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2071. /* The number of free blocks above which the full signal to class 0
  2072. * of MAC #n is de-asserted. n=0,1
  2073. */
  2074. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2075. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2076. if (pfc_enabled) {
  2077. /* Second COS */
  2078. if (pfc_params->cos1_pauseable)
  2079. reg_th_config = &config_val.pauseable_th;
  2080. else
  2081. reg_th_config = &config_val.non_pauseable_th;
  2082. } else
  2083. reg_th_config = &config_val.default_class1;
  2084. /* The number of free blocks below which the pause signal to
  2085. * class 1 of MAC #n is asserted. n=0,1
  2086. */
  2087. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2088. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2089. reg_th_config->pause_xoff);
  2090. /* The number of free blocks above which the pause signal to
  2091. * class 1 of MAC #n is de-asserted. n=0,1
  2092. */
  2093. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2094. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2095. reg_th_config->pause_xon);
  2096. /* The number of free blocks below which the full signal to
  2097. * class 1 of MAC #n is asserted. n=0,1
  2098. */
  2099. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2100. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2101. reg_th_config->full_xoff);
  2102. /* The number of free blocks above which the full signal to
  2103. * class 1 of MAC #n is de-asserted. n=0,1
  2104. */
  2105. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2106. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2107. reg_th_config->full_xon);
  2108. if (CHIP_IS_E3B0(bp)) {
  2109. bnx2x_pfc_brb_get_e3b0_config_params(
  2110. params,
  2111. &e3b0_val,
  2112. pfc_params,
  2113. pfc_enabled);
  2114. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2115. e3b0_val.per_class_guaranty_mode);
  2116. /* The hysteresis on the guarantied buffer space for the Lb
  2117. * port before signaling XON.
  2118. */
  2119. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2120. e3b0_val.lb_guarantied_hyst);
  2121. /* The number of free blocks below which the full signal to the
  2122. * LB port is asserted.
  2123. */
  2124. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2125. e3b0_val.full_lb_xoff_th);
  2126. /* The number of free blocks above which the full signal to the
  2127. * LB port is de-asserted.
  2128. */
  2129. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2130. e3b0_val.full_lb_xon_threshold);
  2131. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2132. */
  2133. /* The number of blocks guarantied for the LB port. */
  2134. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2135. e3b0_val.lb_guarantied);
  2136. /* The number of blocks guarantied for the MAC #n port. */
  2137. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2138. 2 * e3b0_val.mac_0_class_t_guarantied);
  2139. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2140. 2 * e3b0_val.mac_1_class_t_guarantied);
  2141. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2142. */
  2143. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2144. e3b0_val.mac_0_class_t_guarantied);
  2145. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2146. e3b0_val.mac_0_class_t_guarantied);
  2147. /* The hysteresis on the guarantied buffer space for class in
  2148. * MAC0. t=0,1
  2149. */
  2150. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2151. e3b0_val.mac_0_class_t_guarantied_hyst);
  2152. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2153. e3b0_val.mac_0_class_t_guarantied_hyst);
  2154. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2155. */
  2156. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2157. e3b0_val.mac_1_class_t_guarantied);
  2158. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2159. e3b0_val.mac_1_class_t_guarantied);
  2160. /* The hysteresis on the guarantied buffer space for class #t
  2161. * in MAC1. t=0,1
  2162. */
  2163. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2164. e3b0_val.mac_1_class_t_guarantied_hyst);
  2165. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2166. e3b0_val.mac_1_class_t_guarantied_hyst);
  2167. }
  2168. return bnx2x_status;
  2169. }
  2170. /******************************************************************************
  2171. * Description:
  2172. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2173. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2174. ******************************************************************************/
  2175. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2176. u8 cos_entry,
  2177. u32 priority_mask, u8 port)
  2178. {
  2179. u32 nig_reg_rx_priority_mask_add = 0;
  2180. switch (cos_entry) {
  2181. case 0:
  2182. nig_reg_rx_priority_mask_add = (port) ?
  2183. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2184. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2185. break;
  2186. case 1:
  2187. nig_reg_rx_priority_mask_add = (port) ?
  2188. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2189. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2190. break;
  2191. case 2:
  2192. nig_reg_rx_priority_mask_add = (port) ?
  2193. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2194. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2195. break;
  2196. case 3:
  2197. if (port)
  2198. return -EINVAL;
  2199. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2200. break;
  2201. case 4:
  2202. if (port)
  2203. return -EINVAL;
  2204. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2205. break;
  2206. case 5:
  2207. if (port)
  2208. return -EINVAL;
  2209. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2210. break;
  2211. }
  2212. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2213. return 0;
  2214. }
  2215. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2216. {
  2217. struct bnx2x *bp = params->bp;
  2218. REG_WR(bp, params->shmem_base +
  2219. offsetof(struct shmem_region,
  2220. port_mb[params->port].link_status), link_status);
  2221. }
  2222. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2223. {
  2224. struct bnx2x *bp = params->bp;
  2225. if (bnx2x_eee_has_cap(params))
  2226. REG_WR(bp, params->shmem2_base +
  2227. offsetof(struct shmem2_region,
  2228. eee_status[params->port]), eee_status);
  2229. }
  2230. static void bnx2x_update_pfc_nig(struct link_params *params,
  2231. struct link_vars *vars,
  2232. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2233. {
  2234. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2235. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2236. u32 pkt_priority_to_cos = 0;
  2237. struct bnx2x *bp = params->bp;
  2238. u8 port = params->port;
  2239. int set_pfc = params->feature_config_flags &
  2240. FEATURE_CONFIG_PFC_ENABLED;
  2241. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2242. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2243. * MAC control frames (that are not pause packets)
  2244. * will be forwarded to the XCM.
  2245. */
  2246. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2247. NIG_REG_LLH0_XCM_MASK);
  2248. /* NIG params will override non PFC params, since it's possible to
  2249. * do transition from PFC to SAFC
  2250. */
  2251. if (set_pfc) {
  2252. pause_enable = 0;
  2253. llfc_out_en = 0;
  2254. llfc_enable = 0;
  2255. if (CHIP_IS_E3(bp))
  2256. ppp_enable = 0;
  2257. else
  2258. ppp_enable = 1;
  2259. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2260. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2261. xcm_out_en = 0;
  2262. hwpfc_enable = 1;
  2263. } else {
  2264. if (nig_params) {
  2265. llfc_out_en = nig_params->llfc_out_en;
  2266. llfc_enable = nig_params->llfc_enable;
  2267. pause_enable = nig_params->pause_enable;
  2268. } else /* Default non PFC mode - PAUSE */
  2269. pause_enable = 1;
  2270. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2271. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2272. xcm_out_en = 1;
  2273. }
  2274. if (CHIP_IS_E3(bp))
  2275. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2276. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2277. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2278. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2279. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2280. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2281. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2282. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2283. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2284. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2285. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2286. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2287. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2288. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2289. /* Output enable for RX_XCM # IF */
  2290. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2291. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2292. /* HW PFC TX enable */
  2293. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2294. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2295. if (nig_params) {
  2296. u8 i = 0;
  2297. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2298. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2299. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2300. nig_params->rx_cos_priority_mask[i], port);
  2301. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2302. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2303. nig_params->llfc_high_priority_classes);
  2304. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2305. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2306. nig_params->llfc_low_priority_classes);
  2307. }
  2308. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2309. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2310. pkt_priority_to_cos);
  2311. }
  2312. int bnx2x_update_pfc(struct link_params *params,
  2313. struct link_vars *vars,
  2314. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2315. {
  2316. /* The PFC and pause are orthogonal to one another, meaning when
  2317. * PFC is enabled, the pause are disabled, and when PFC is
  2318. * disabled, pause are set according to the pause result.
  2319. */
  2320. u32 val;
  2321. struct bnx2x *bp = params->bp;
  2322. int bnx2x_status = 0;
  2323. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2324. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2325. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2326. else
  2327. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2328. bnx2x_update_mng(params, vars->link_status);
  2329. /* Update NIG params */
  2330. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2331. /* Update BRB params */
  2332. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2333. if (bnx2x_status)
  2334. return bnx2x_status;
  2335. if (!vars->link_up)
  2336. return bnx2x_status;
  2337. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2338. if (CHIP_IS_E3(bp))
  2339. bnx2x_update_pfc_xmac(params, vars, 0);
  2340. else {
  2341. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2342. if ((val &
  2343. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2344. == 0) {
  2345. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2346. bnx2x_emac_enable(params, vars, 0);
  2347. return bnx2x_status;
  2348. }
  2349. if (CHIP_IS_E2(bp))
  2350. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2351. else
  2352. bnx2x_update_pfc_bmac1(params, vars);
  2353. val = 0;
  2354. if ((params->feature_config_flags &
  2355. FEATURE_CONFIG_PFC_ENABLED) ||
  2356. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2357. val = 1;
  2358. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2359. }
  2360. return bnx2x_status;
  2361. }
  2362. static int bnx2x_bmac1_enable(struct link_params *params,
  2363. struct link_vars *vars,
  2364. u8 is_lb)
  2365. {
  2366. struct bnx2x *bp = params->bp;
  2367. u8 port = params->port;
  2368. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2369. NIG_REG_INGRESS_BMAC0_MEM;
  2370. u32 wb_data[2];
  2371. u32 val;
  2372. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2373. /* XGXS control */
  2374. wb_data[0] = 0x3c;
  2375. wb_data[1] = 0;
  2376. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2377. wb_data, 2);
  2378. /* TX MAC SA */
  2379. wb_data[0] = ((params->mac_addr[2] << 24) |
  2380. (params->mac_addr[3] << 16) |
  2381. (params->mac_addr[4] << 8) |
  2382. params->mac_addr[5]);
  2383. wb_data[1] = ((params->mac_addr[0] << 8) |
  2384. params->mac_addr[1]);
  2385. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2386. /* MAC control */
  2387. val = 0x3;
  2388. if (is_lb) {
  2389. val |= 0x4;
  2390. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2391. }
  2392. wb_data[0] = val;
  2393. wb_data[1] = 0;
  2394. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2395. /* Set rx mtu */
  2396. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2397. wb_data[1] = 0;
  2398. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2399. bnx2x_update_pfc_bmac1(params, vars);
  2400. /* Set tx mtu */
  2401. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2402. wb_data[1] = 0;
  2403. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2404. /* Set cnt max size */
  2405. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2406. wb_data[1] = 0;
  2407. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2408. /* Configure SAFC */
  2409. wb_data[0] = 0x1000200;
  2410. wb_data[1] = 0;
  2411. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2412. wb_data, 2);
  2413. return 0;
  2414. }
  2415. static int bnx2x_bmac2_enable(struct link_params *params,
  2416. struct link_vars *vars,
  2417. u8 is_lb)
  2418. {
  2419. struct bnx2x *bp = params->bp;
  2420. u8 port = params->port;
  2421. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2422. NIG_REG_INGRESS_BMAC0_MEM;
  2423. u32 wb_data[2];
  2424. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2425. wb_data[0] = 0;
  2426. wb_data[1] = 0;
  2427. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2428. udelay(30);
  2429. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2430. wb_data[0] = 0x3c;
  2431. wb_data[1] = 0;
  2432. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2433. wb_data, 2);
  2434. udelay(30);
  2435. /* TX MAC SA */
  2436. wb_data[0] = ((params->mac_addr[2] << 24) |
  2437. (params->mac_addr[3] << 16) |
  2438. (params->mac_addr[4] << 8) |
  2439. params->mac_addr[5]);
  2440. wb_data[1] = ((params->mac_addr[0] << 8) |
  2441. params->mac_addr[1]);
  2442. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2443. wb_data, 2);
  2444. udelay(30);
  2445. /* Configure SAFC */
  2446. wb_data[0] = 0x1000200;
  2447. wb_data[1] = 0;
  2448. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2449. wb_data, 2);
  2450. udelay(30);
  2451. /* Set RX MTU */
  2452. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2453. wb_data[1] = 0;
  2454. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2455. udelay(30);
  2456. /* Set TX MTU */
  2457. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2458. wb_data[1] = 0;
  2459. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2460. udelay(30);
  2461. /* Set cnt max size */
  2462. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2463. wb_data[1] = 0;
  2464. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2465. udelay(30);
  2466. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2467. return 0;
  2468. }
  2469. static int bnx2x_bmac_enable(struct link_params *params,
  2470. struct link_vars *vars,
  2471. u8 is_lb)
  2472. {
  2473. int rc = 0;
  2474. u8 port = params->port;
  2475. struct bnx2x *bp = params->bp;
  2476. u32 val;
  2477. /* Reset and unreset the BigMac */
  2478. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2479. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2480. usleep_range(1000, 2000);
  2481. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2482. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2483. /* Enable access for bmac registers */
  2484. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2485. /* Enable BMAC according to BMAC type*/
  2486. if (CHIP_IS_E2(bp))
  2487. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2488. else
  2489. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2490. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2491. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2492. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2493. val = 0;
  2494. if ((params->feature_config_flags &
  2495. FEATURE_CONFIG_PFC_ENABLED) ||
  2496. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2497. val = 1;
  2498. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2499. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2500. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2501. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2502. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2503. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2504. vars->mac_type = MAC_TYPE_BMAC;
  2505. return rc;
  2506. }
  2507. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2508. {
  2509. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2510. NIG_REG_INGRESS_BMAC0_MEM;
  2511. u32 wb_data[2];
  2512. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2513. /* Only if the bmac is out of reset */
  2514. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2515. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2516. nig_bmac_enable) {
  2517. if (CHIP_IS_E2(bp)) {
  2518. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2519. REG_RD_DMAE(bp, bmac_addr +
  2520. BIGMAC2_REGISTER_BMAC_CONTROL,
  2521. wb_data, 2);
  2522. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2523. REG_WR_DMAE(bp, bmac_addr +
  2524. BIGMAC2_REGISTER_BMAC_CONTROL,
  2525. wb_data, 2);
  2526. } else {
  2527. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2528. REG_RD_DMAE(bp, bmac_addr +
  2529. BIGMAC_REGISTER_BMAC_CONTROL,
  2530. wb_data, 2);
  2531. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2532. REG_WR_DMAE(bp, bmac_addr +
  2533. BIGMAC_REGISTER_BMAC_CONTROL,
  2534. wb_data, 2);
  2535. }
  2536. usleep_range(1000, 2000);
  2537. }
  2538. }
  2539. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2540. u32 line_speed)
  2541. {
  2542. struct bnx2x *bp = params->bp;
  2543. u8 port = params->port;
  2544. u32 init_crd, crd;
  2545. u32 count = 1000;
  2546. /* Disable port */
  2547. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2548. /* Wait for init credit */
  2549. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2550. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2551. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2552. while ((init_crd != crd) && count) {
  2553. usleep_range(5000, 10000);
  2554. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2555. count--;
  2556. }
  2557. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2558. if (init_crd != crd) {
  2559. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2560. init_crd, crd);
  2561. return -EINVAL;
  2562. }
  2563. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2564. line_speed == SPEED_10 ||
  2565. line_speed == SPEED_100 ||
  2566. line_speed == SPEED_1000 ||
  2567. line_speed == SPEED_2500) {
  2568. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2569. /* Update threshold */
  2570. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2571. /* Update init credit */
  2572. init_crd = 778; /* (800-18-4) */
  2573. } else {
  2574. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2575. ETH_OVREHEAD)/16;
  2576. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2577. /* Update threshold */
  2578. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2579. /* Update init credit */
  2580. switch (line_speed) {
  2581. case SPEED_10000:
  2582. init_crd = thresh + 553 - 22;
  2583. break;
  2584. default:
  2585. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2586. line_speed);
  2587. return -EINVAL;
  2588. }
  2589. }
  2590. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2591. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2592. line_speed, init_crd);
  2593. /* Probe the credit changes */
  2594. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2595. usleep_range(5000, 10000);
  2596. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2597. /* Enable port */
  2598. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2599. return 0;
  2600. }
  2601. /**
  2602. * bnx2x_get_emac_base - retrive emac base address
  2603. *
  2604. * @bp: driver handle
  2605. * @mdc_mdio_access: access type
  2606. * @port: port id
  2607. *
  2608. * This function selects the MDC/MDIO access (through emac0 or
  2609. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2610. * phy has a default access mode, which could also be overridden
  2611. * by nvram configuration. This parameter, whether this is the
  2612. * default phy configuration, or the nvram overrun
  2613. * configuration, is passed here as mdc_mdio_access and selects
  2614. * the emac_base for the CL45 read/writes operations
  2615. */
  2616. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2617. u32 mdc_mdio_access, u8 port)
  2618. {
  2619. u32 emac_base = 0;
  2620. switch (mdc_mdio_access) {
  2621. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2622. break;
  2623. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2624. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2625. emac_base = GRCBASE_EMAC1;
  2626. else
  2627. emac_base = GRCBASE_EMAC0;
  2628. break;
  2629. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2630. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2631. emac_base = GRCBASE_EMAC0;
  2632. else
  2633. emac_base = GRCBASE_EMAC1;
  2634. break;
  2635. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2636. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2637. break;
  2638. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2639. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2640. break;
  2641. default:
  2642. break;
  2643. }
  2644. return emac_base;
  2645. }
  2646. /******************************************************************/
  2647. /* CL22 access functions */
  2648. /******************************************************************/
  2649. static int bnx2x_cl22_write(struct bnx2x *bp,
  2650. struct bnx2x_phy *phy,
  2651. u16 reg, u16 val)
  2652. {
  2653. u32 tmp, mode;
  2654. u8 i;
  2655. int rc = 0;
  2656. /* Switch to CL22 */
  2657. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2658. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2659. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2660. /* Address */
  2661. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2662. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2663. EMAC_MDIO_COMM_START_BUSY);
  2664. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2665. for (i = 0; i < 50; i++) {
  2666. udelay(10);
  2667. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2668. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2669. udelay(5);
  2670. break;
  2671. }
  2672. }
  2673. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2674. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2675. rc = -EFAULT;
  2676. }
  2677. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2678. return rc;
  2679. }
  2680. static int bnx2x_cl22_read(struct bnx2x *bp,
  2681. struct bnx2x_phy *phy,
  2682. u16 reg, u16 *ret_val)
  2683. {
  2684. u32 val, mode;
  2685. u16 i;
  2686. int rc = 0;
  2687. /* Switch to CL22 */
  2688. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2689. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2690. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2691. /* Address */
  2692. val = ((phy->addr << 21) | (reg << 16) |
  2693. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2694. EMAC_MDIO_COMM_START_BUSY);
  2695. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2696. for (i = 0; i < 50; i++) {
  2697. udelay(10);
  2698. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2699. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2700. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2701. udelay(5);
  2702. break;
  2703. }
  2704. }
  2705. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2706. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2707. *ret_val = 0;
  2708. rc = -EFAULT;
  2709. }
  2710. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2711. return rc;
  2712. }
  2713. /******************************************************************/
  2714. /* CL45 access functions */
  2715. /******************************************************************/
  2716. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2717. u8 devad, u16 reg, u16 *ret_val)
  2718. {
  2719. u32 val;
  2720. u16 i;
  2721. int rc = 0;
  2722. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2723. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2724. EMAC_MDIO_STATUS_10MB);
  2725. /* Address */
  2726. val = ((phy->addr << 21) | (devad << 16) | reg |
  2727. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2728. EMAC_MDIO_COMM_START_BUSY);
  2729. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2730. for (i = 0; i < 50; i++) {
  2731. udelay(10);
  2732. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2733. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2734. udelay(5);
  2735. break;
  2736. }
  2737. }
  2738. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2739. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2740. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2741. *ret_val = 0;
  2742. rc = -EFAULT;
  2743. } else {
  2744. /* Data */
  2745. val = ((phy->addr << 21) | (devad << 16) |
  2746. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2747. EMAC_MDIO_COMM_START_BUSY);
  2748. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2749. for (i = 0; i < 50; i++) {
  2750. udelay(10);
  2751. val = REG_RD(bp, phy->mdio_ctrl +
  2752. EMAC_REG_EMAC_MDIO_COMM);
  2753. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2754. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2755. break;
  2756. }
  2757. }
  2758. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2759. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2760. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2761. *ret_val = 0;
  2762. rc = -EFAULT;
  2763. }
  2764. }
  2765. /* Work around for E3 A0 */
  2766. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2767. phy->flags ^= FLAGS_DUMMY_READ;
  2768. if (phy->flags & FLAGS_DUMMY_READ) {
  2769. u16 temp_val;
  2770. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2771. }
  2772. }
  2773. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2774. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2775. EMAC_MDIO_STATUS_10MB);
  2776. return rc;
  2777. }
  2778. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2779. u8 devad, u16 reg, u16 val)
  2780. {
  2781. u32 tmp;
  2782. u8 i;
  2783. int rc = 0;
  2784. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2785. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2786. EMAC_MDIO_STATUS_10MB);
  2787. /* Address */
  2788. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2789. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2790. EMAC_MDIO_COMM_START_BUSY);
  2791. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2792. for (i = 0; i < 50; i++) {
  2793. udelay(10);
  2794. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2795. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2796. udelay(5);
  2797. break;
  2798. }
  2799. }
  2800. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2801. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2802. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2803. rc = -EFAULT;
  2804. } else {
  2805. /* Data */
  2806. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2807. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2808. EMAC_MDIO_COMM_START_BUSY);
  2809. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2810. for (i = 0; i < 50; i++) {
  2811. udelay(10);
  2812. tmp = REG_RD(bp, phy->mdio_ctrl +
  2813. EMAC_REG_EMAC_MDIO_COMM);
  2814. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2815. udelay(5);
  2816. break;
  2817. }
  2818. }
  2819. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2820. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2821. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2822. rc = -EFAULT;
  2823. }
  2824. }
  2825. /* Work around for E3 A0 */
  2826. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2827. phy->flags ^= FLAGS_DUMMY_READ;
  2828. if (phy->flags & FLAGS_DUMMY_READ) {
  2829. u16 temp_val;
  2830. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2831. }
  2832. }
  2833. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2834. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2835. EMAC_MDIO_STATUS_10MB);
  2836. return rc;
  2837. }
  2838. /******************************************************************/
  2839. /* BSC access functions from E3 */
  2840. /******************************************************************/
  2841. static void bnx2x_bsc_module_sel(struct link_params *params)
  2842. {
  2843. int idx;
  2844. u32 board_cfg, sfp_ctrl;
  2845. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2846. struct bnx2x *bp = params->bp;
  2847. u8 port = params->port;
  2848. /* Read I2C output PINs */
  2849. board_cfg = REG_RD(bp, params->shmem_base +
  2850. offsetof(struct shmem_region,
  2851. dev_info.shared_hw_config.board));
  2852. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2853. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2854. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2855. /* Read I2C output value */
  2856. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2857. offsetof(struct shmem_region,
  2858. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2859. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2860. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2861. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2862. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2863. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2864. }
  2865. static int bnx2x_bsc_read(struct link_params *params,
  2866. struct bnx2x_phy *phy,
  2867. u8 sl_devid,
  2868. u16 sl_addr,
  2869. u8 lc_addr,
  2870. u8 xfer_cnt,
  2871. u32 *data_array)
  2872. {
  2873. u32 val, i;
  2874. int rc = 0;
  2875. struct bnx2x *bp = params->bp;
  2876. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2877. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2878. return -EINVAL;
  2879. }
  2880. if (xfer_cnt > 16) {
  2881. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2882. xfer_cnt);
  2883. return -EINVAL;
  2884. }
  2885. bnx2x_bsc_module_sel(params);
  2886. xfer_cnt = 16 - lc_addr;
  2887. /* Enable the engine */
  2888. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2889. val |= MCPR_IMC_COMMAND_ENABLE;
  2890. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2891. /* Program slave device ID */
  2892. val = (sl_devid << 16) | sl_addr;
  2893. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2894. /* Start xfer with 0 byte to update the address pointer ???*/
  2895. val = (MCPR_IMC_COMMAND_ENABLE) |
  2896. (MCPR_IMC_COMMAND_WRITE_OP <<
  2897. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2898. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2899. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2900. /* Poll for completion */
  2901. i = 0;
  2902. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2903. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2904. udelay(10);
  2905. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2906. if (i++ > 1000) {
  2907. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2908. i);
  2909. rc = -EFAULT;
  2910. break;
  2911. }
  2912. }
  2913. if (rc == -EFAULT)
  2914. return rc;
  2915. /* Start xfer with read op */
  2916. val = (MCPR_IMC_COMMAND_ENABLE) |
  2917. (MCPR_IMC_COMMAND_READ_OP <<
  2918. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2919. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2920. (xfer_cnt);
  2921. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2922. /* Poll for completion */
  2923. i = 0;
  2924. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2925. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2926. udelay(10);
  2927. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2928. if (i++ > 1000) {
  2929. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2930. rc = -EFAULT;
  2931. break;
  2932. }
  2933. }
  2934. if (rc == -EFAULT)
  2935. return rc;
  2936. for (i = (lc_addr >> 2); i < 4; i++) {
  2937. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2938. #ifdef __BIG_ENDIAN
  2939. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2940. ((data_array[i] & 0x0000ff00) << 8) |
  2941. ((data_array[i] & 0x00ff0000) >> 8) |
  2942. ((data_array[i] & 0xff000000) >> 24);
  2943. #endif
  2944. }
  2945. return rc;
  2946. }
  2947. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2948. u8 devad, u16 reg, u16 or_val)
  2949. {
  2950. u16 val;
  2951. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2952. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2953. }
  2954. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2955. u8 devad, u16 reg, u16 *ret_val)
  2956. {
  2957. u8 phy_index;
  2958. /* Probe for the phy according to the given phy_addr, and execute
  2959. * the read request on it
  2960. */
  2961. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2962. if (params->phy[phy_index].addr == phy_addr) {
  2963. return bnx2x_cl45_read(params->bp,
  2964. &params->phy[phy_index], devad,
  2965. reg, ret_val);
  2966. }
  2967. }
  2968. return -EINVAL;
  2969. }
  2970. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2971. u8 devad, u16 reg, u16 val)
  2972. {
  2973. u8 phy_index;
  2974. /* Probe for the phy according to the given phy_addr, and execute
  2975. * the write request on it
  2976. */
  2977. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2978. if (params->phy[phy_index].addr == phy_addr) {
  2979. return bnx2x_cl45_write(params->bp,
  2980. &params->phy[phy_index], devad,
  2981. reg, val);
  2982. }
  2983. }
  2984. return -EINVAL;
  2985. }
  2986. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2987. struct link_params *params)
  2988. {
  2989. u8 lane = 0;
  2990. struct bnx2x *bp = params->bp;
  2991. u32 path_swap, path_swap_ovr;
  2992. u8 path, port;
  2993. path = BP_PATH(bp);
  2994. port = params->port;
  2995. if (bnx2x_is_4_port_mode(bp)) {
  2996. u32 port_swap, port_swap_ovr;
  2997. /* Figure out path swap value */
  2998. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2999. if (path_swap_ovr & 0x1)
  3000. path_swap = (path_swap_ovr & 0x2);
  3001. else
  3002. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3003. if (path_swap)
  3004. path = path ^ 1;
  3005. /* Figure out port swap value */
  3006. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3007. if (port_swap_ovr & 0x1)
  3008. port_swap = (port_swap_ovr & 0x2);
  3009. else
  3010. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3011. if (port_swap)
  3012. port = port ^ 1;
  3013. lane = (port<<1) + path;
  3014. } else { /* Two port mode - no port swap */
  3015. /* Figure out path swap value */
  3016. path_swap_ovr =
  3017. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3018. if (path_swap_ovr & 0x1) {
  3019. path_swap = (path_swap_ovr & 0x2);
  3020. } else {
  3021. path_swap =
  3022. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3023. }
  3024. if (path_swap)
  3025. path = path ^ 1;
  3026. lane = path << 1 ;
  3027. }
  3028. return lane;
  3029. }
  3030. static void bnx2x_set_aer_mmd(struct link_params *params,
  3031. struct bnx2x_phy *phy)
  3032. {
  3033. u32 ser_lane;
  3034. u16 offset, aer_val;
  3035. struct bnx2x *bp = params->bp;
  3036. ser_lane = ((params->lane_config &
  3037. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3038. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3039. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3040. (phy->addr + ser_lane) : 0;
  3041. if (USES_WARPCORE(bp)) {
  3042. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3043. /* In Dual-lane mode, two lanes are joined together,
  3044. * so in order to configure them, the AER broadcast method is
  3045. * used here.
  3046. * 0x200 is the broadcast address for lanes 0,1
  3047. * 0x201 is the broadcast address for lanes 2,3
  3048. */
  3049. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3050. aer_val = (aer_val >> 1) | 0x200;
  3051. } else if (CHIP_IS_E2(bp))
  3052. aer_val = 0x3800 + offset - 1;
  3053. else
  3054. aer_val = 0x3800 + offset;
  3055. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3056. MDIO_AER_BLOCK_AER_REG, aer_val);
  3057. }
  3058. /******************************************************************/
  3059. /* Internal phy section */
  3060. /******************************************************************/
  3061. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3062. {
  3063. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3064. /* Set Clause 22 */
  3065. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3066. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3067. udelay(500);
  3068. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3069. udelay(500);
  3070. /* Set Clause 45 */
  3071. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3072. }
  3073. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3074. {
  3075. u32 val;
  3076. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3077. val = SERDES_RESET_BITS << (port*16);
  3078. /* Reset and unreset the SerDes/XGXS */
  3079. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3080. udelay(500);
  3081. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3082. bnx2x_set_serdes_access(bp, port);
  3083. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3084. DEFAULT_PHY_DEV_ADDR);
  3085. }
  3086. static void bnx2x_xgxs_deassert(struct link_params *params)
  3087. {
  3088. struct bnx2x *bp = params->bp;
  3089. u8 port;
  3090. u32 val;
  3091. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3092. port = params->port;
  3093. val = XGXS_RESET_BITS << (port*16);
  3094. /* Reset and unreset the SerDes/XGXS */
  3095. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3096. udelay(500);
  3097. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3098. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3099. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3100. params->phy[INT_PHY].def_md_devad);
  3101. }
  3102. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3103. struct link_params *params, u16 *ieee_fc)
  3104. {
  3105. struct bnx2x *bp = params->bp;
  3106. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3107. /* Resolve pause mode and advertisement Please refer to Table
  3108. * 28B-3 of the 802.3ab-1999 spec
  3109. */
  3110. switch (phy->req_flow_ctrl) {
  3111. case BNX2X_FLOW_CTRL_AUTO:
  3112. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3113. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3114. else
  3115. *ieee_fc |=
  3116. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3117. break;
  3118. case BNX2X_FLOW_CTRL_TX:
  3119. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3120. break;
  3121. case BNX2X_FLOW_CTRL_RX:
  3122. case BNX2X_FLOW_CTRL_BOTH:
  3123. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3124. break;
  3125. case BNX2X_FLOW_CTRL_NONE:
  3126. default:
  3127. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3128. break;
  3129. }
  3130. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3131. }
  3132. static void set_phy_vars(struct link_params *params,
  3133. struct link_vars *vars)
  3134. {
  3135. struct bnx2x *bp = params->bp;
  3136. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3137. u8 phy_config_swapped = params->multi_phy_config &
  3138. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3139. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3140. phy_index++) {
  3141. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3142. actual_phy_idx = phy_index;
  3143. if (phy_config_swapped) {
  3144. if (phy_index == EXT_PHY1)
  3145. actual_phy_idx = EXT_PHY2;
  3146. else if (phy_index == EXT_PHY2)
  3147. actual_phy_idx = EXT_PHY1;
  3148. }
  3149. params->phy[actual_phy_idx].req_flow_ctrl =
  3150. params->req_flow_ctrl[link_cfg_idx];
  3151. params->phy[actual_phy_idx].req_line_speed =
  3152. params->req_line_speed[link_cfg_idx];
  3153. params->phy[actual_phy_idx].speed_cap_mask =
  3154. params->speed_cap_mask[link_cfg_idx];
  3155. params->phy[actual_phy_idx].req_duplex =
  3156. params->req_duplex[link_cfg_idx];
  3157. if (params->req_line_speed[link_cfg_idx] ==
  3158. SPEED_AUTO_NEG)
  3159. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3160. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3161. " speed_cap_mask %x\n",
  3162. params->phy[actual_phy_idx].req_flow_ctrl,
  3163. params->phy[actual_phy_idx].req_line_speed,
  3164. params->phy[actual_phy_idx].speed_cap_mask);
  3165. }
  3166. }
  3167. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3168. struct bnx2x_phy *phy,
  3169. struct link_vars *vars)
  3170. {
  3171. u16 val;
  3172. struct bnx2x *bp = params->bp;
  3173. /* Read modify write pause advertizing */
  3174. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3175. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3176. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3177. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3178. if ((vars->ieee_fc &
  3179. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3180. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3181. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3182. }
  3183. if ((vars->ieee_fc &
  3184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3185. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3186. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3187. }
  3188. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3189. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3190. }
  3191. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3192. { /* LD LP */
  3193. switch (pause_result) { /* ASYM P ASYM P */
  3194. case 0xb: /* 1 0 1 1 */
  3195. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3196. break;
  3197. case 0xe: /* 1 1 1 0 */
  3198. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3199. break;
  3200. case 0x5: /* 0 1 0 1 */
  3201. case 0x7: /* 0 1 1 1 */
  3202. case 0xd: /* 1 1 0 1 */
  3203. case 0xf: /* 1 1 1 1 */
  3204. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3205. break;
  3206. default:
  3207. break;
  3208. }
  3209. if (pause_result & (1<<0))
  3210. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3211. if (pause_result & (1<<1))
  3212. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3213. }
  3214. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3215. struct link_params *params,
  3216. struct link_vars *vars)
  3217. {
  3218. u16 ld_pause; /* local */
  3219. u16 lp_pause; /* link partner */
  3220. u16 pause_result;
  3221. struct bnx2x *bp = params->bp;
  3222. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3223. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3224. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3225. } else if (CHIP_IS_E3(bp) &&
  3226. SINGLE_MEDIA_DIRECT(params)) {
  3227. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3228. u16 gp_status, gp_mask;
  3229. bnx2x_cl45_read(bp, phy,
  3230. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3231. &gp_status);
  3232. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3233. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3234. lane;
  3235. if ((gp_status & gp_mask) == gp_mask) {
  3236. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3237. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3238. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3239. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3240. } else {
  3241. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3242. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3243. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3244. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3245. ld_pause = ((ld_pause &
  3246. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3247. << 3);
  3248. lp_pause = ((lp_pause &
  3249. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3250. << 3);
  3251. }
  3252. } else {
  3253. bnx2x_cl45_read(bp, phy,
  3254. MDIO_AN_DEVAD,
  3255. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3256. bnx2x_cl45_read(bp, phy,
  3257. MDIO_AN_DEVAD,
  3258. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3259. }
  3260. pause_result = (ld_pause &
  3261. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3262. pause_result |= (lp_pause &
  3263. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3264. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3265. bnx2x_pause_resolve(vars, pause_result);
  3266. }
  3267. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3268. struct link_params *params,
  3269. struct link_vars *vars)
  3270. {
  3271. u8 ret = 0;
  3272. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3273. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3274. /* Update the advertised flow-controled of LD/LP in AN */
  3275. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3276. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3277. /* But set the flow-control result as the requested one */
  3278. vars->flow_ctrl = phy->req_flow_ctrl;
  3279. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3280. vars->flow_ctrl = params->req_fc_auto_adv;
  3281. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3282. ret = 1;
  3283. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3284. }
  3285. return ret;
  3286. }
  3287. /******************************************************************/
  3288. /* Warpcore section */
  3289. /******************************************************************/
  3290. /* The init_internal_warpcore should mirror the xgxs,
  3291. * i.e. reset the lane (if needed), set aer for the
  3292. * init configuration, and set/clear SGMII flag. Internal
  3293. * phy init is done purely in phy_init stage.
  3294. */
  3295. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3296. struct link_params *params,
  3297. struct link_vars *vars) {
  3298. u16 val16 = 0, lane, i;
  3299. struct bnx2x *bp = params->bp;
  3300. static struct bnx2x_reg_set reg_set[] = {
  3301. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3302. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3303. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
  3304. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3305. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3306. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3307. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3308. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3309. /* Disable Autoneg: re-enable it after adv is done. */
  3310. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3311. };
  3312. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3313. /* Set to default registers that may be overriden by 10G force */
  3314. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3315. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3316. reg_set[i].val);
  3317. /* Check adding advertisement for 1G KX */
  3318. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3319. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3320. (vars->line_speed == SPEED_1000)) {
  3321. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3322. val16 |= (1<<5);
  3323. /* Enable CL37 1G Parallel Detect */
  3324. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3325. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3326. }
  3327. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3328. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3329. (vars->line_speed == SPEED_10000)) {
  3330. /* Check adding advertisement for 10G KR */
  3331. val16 |= (1<<7);
  3332. /* Enable 10G Parallel Detect */
  3333. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3334. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3335. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3336. }
  3337. /* Set Transmit PMD settings */
  3338. lane = bnx2x_get_warpcore_lane(phy, params);
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3341. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3342. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3343. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3346. 0x03f0);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3349. 0x03f0);
  3350. /* Advertised speeds */
  3351. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3352. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3353. /* Advertised and set FEC (Forward Error Correction) */
  3354. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3355. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3356. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3357. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3358. /* Enable CL37 BAM */
  3359. if (REG_RD(bp, params->shmem_base +
  3360. offsetof(struct shmem_region, dev_info.
  3361. port_hw_config[params->port].default_cfg)) &
  3362. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3363. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3365. 1);
  3366. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3367. }
  3368. /* Advertise pause */
  3369. bnx2x_ext_phy_set_pause(params, phy, vars);
  3370. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3371. */
  3372. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3374. if (val16 < 0xd108) {
  3375. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3376. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3377. }
  3378. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3380. /* Over 1G - AN local device user page 1 */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3383. /* Enable Autoneg */
  3384. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3385. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3386. }
  3387. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3388. struct link_params *params,
  3389. struct link_vars *vars)
  3390. {
  3391. struct bnx2x *bp = params->bp;
  3392. u16 i;
  3393. static struct bnx2x_reg_set reg_set[] = {
  3394. /* Disable Autoneg */
  3395. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3396. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3397. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3398. 0x3f00},
  3399. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3400. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3402. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3403. /* Disable CL36 PCS Tx */
  3404. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3405. /* Double Wide Single Data Rate @ pll rate */
  3406. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3407. /* Leave cl72 training enable, needed for KR */
  3408. {MDIO_PMA_DEVAD,
  3409. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3410. 0x2}
  3411. };
  3412. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3413. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3414. reg_set[i].val);
  3415. /* Leave CL72 enabled */
  3416. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3418. 0x3800);
  3419. /* Set speed via PMA/PMD register */
  3420. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3421. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3422. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3423. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3424. /* Enable encoded forced speed */
  3425. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3427. /* Turn TX scramble payload only the 64/66 scrambler */
  3428. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3430. /* Turn RX scramble payload only the 64/66 scrambler */
  3431. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3433. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3434. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3436. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3438. }
  3439. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3440. struct link_params *params,
  3441. u8 is_xfi)
  3442. {
  3443. struct bnx2x *bp = params->bp;
  3444. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3445. /* Hold rxSeqStart */
  3446. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3448. /* Hold tx_fifo_reset */
  3449. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3451. /* Disable CL73 AN */
  3452. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3453. /* Disable 100FX Enable and Auto-Detect */
  3454. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_FX100_CTRL1, &val);
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3458. /* Disable 100FX Idle detect */
  3459. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3461. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3462. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3464. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3466. /* Turn off auto-detect & fiber mode */
  3467. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3471. (val & 0xFFEE));
  3472. /* Set filter_force_link, disable_false_link and parallel_detect */
  3473. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3475. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3477. ((val | 0x0006) & 0xFFFE));
  3478. /* Set XFI / SFI */
  3479. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3481. misc1_val &= ~(0x1f);
  3482. if (is_xfi) {
  3483. misc1_val |= 0x5;
  3484. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3485. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3486. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3487. tx_driver_val =
  3488. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3489. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3490. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3491. } else {
  3492. misc1_val |= 0x9;
  3493. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3494. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3495. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3496. tx_driver_val =
  3497. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3498. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3499. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3500. }
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3503. /* Set Transmit PMD settings */
  3504. lane = bnx2x_get_warpcore_lane(phy, params);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_TX_FIR_TAP,
  3507. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3510. tx_driver_val);
  3511. /* Enable fiber mode, enable and invert sig_det */
  3512. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3514. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3515. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3517. /* Enable LPI pass through */
  3518. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_EEE_COMBO_CONTROL0,
  3521. 0x7c);
  3522. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3524. /* 10G XFI Full Duplex */
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3527. /* Release tx_fifo_reset */
  3528. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3532. /* Release rxSeqStart */
  3533. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3537. }
  3538. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3539. struct bnx2x_phy *phy)
  3540. {
  3541. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3542. }
  3543. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3544. struct bnx2x_phy *phy,
  3545. u16 lane)
  3546. {
  3547. /* Rx0 anaRxControl1G */
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3550. /* Rx2 anaRxControl1G */
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3559. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3561. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3565. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3569. /* Serdes Digital Misc1 */
  3570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3572. /* Serdes Digital4 Misc3 */
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3575. /* Set Transmit PMD settings */
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_TX_FIR_TAP,
  3578. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3579. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3580. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3581. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3584. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3585. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3586. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3587. }
  3588. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3589. struct link_params *params,
  3590. u8 fiber_mode,
  3591. u8 always_autoneg)
  3592. {
  3593. struct bnx2x *bp = params->bp;
  3594. u16 val16, digctrl_kx1, digctrl_kx2;
  3595. /* Clear XFI clock comp in non-10G single lane mode. */
  3596. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_RX66_CONTROL, &val16);
  3598. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3600. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3601. /* SGMII Autoneg */
  3602. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3604. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3605. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3606. val16 | 0x1000);
  3607. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3608. } else {
  3609. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3611. val16 &= 0xcebf;
  3612. switch (phy->req_line_speed) {
  3613. case SPEED_10:
  3614. break;
  3615. case SPEED_100:
  3616. val16 |= 0x2000;
  3617. break;
  3618. case SPEED_1000:
  3619. val16 |= 0x0040;
  3620. break;
  3621. default:
  3622. DP(NETIF_MSG_LINK,
  3623. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3624. return;
  3625. }
  3626. if (phy->req_duplex == DUPLEX_FULL)
  3627. val16 |= 0x0100;
  3628. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3630. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3631. phy->req_line_speed);
  3632. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3634. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3635. }
  3636. /* SGMII Slave mode and disable signal detect */
  3637. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3639. if (fiber_mode)
  3640. digctrl_kx1 = 1;
  3641. else
  3642. digctrl_kx1 &= 0xff4a;
  3643. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3644. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3645. digctrl_kx1);
  3646. /* Turn off parallel detect */
  3647. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3649. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3651. (digctrl_kx2 & ~(1<<2)));
  3652. /* Re-enable parallel detect */
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3655. (digctrl_kx2 | (1<<2)));
  3656. /* Enable autodet */
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3659. (digctrl_kx1 | 0x10));
  3660. }
  3661. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3662. struct bnx2x_phy *phy,
  3663. u8 reset)
  3664. {
  3665. u16 val;
  3666. /* Take lane out of reset after configuration is finished */
  3667. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3668. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3669. if (reset)
  3670. val |= 0xC000;
  3671. else
  3672. val &= 0x3FFF;
  3673. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3674. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3675. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3676. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3677. }
  3678. /* Clear SFI/XFI link settings registers */
  3679. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3680. struct link_params *params,
  3681. u16 lane)
  3682. {
  3683. struct bnx2x *bp = params->bp;
  3684. u16 i;
  3685. static struct bnx2x_reg_set wc_regs[] = {
  3686. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3690. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3691. 0x0195},
  3692. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3693. 0x0007},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3695. 0x0002},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3699. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3700. };
  3701. /* Set XFI clock comp as default. */
  3702. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3704. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3705. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3706. wc_regs[i].val);
  3707. lane = bnx2x_get_warpcore_lane(phy, params);
  3708. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3710. }
  3711. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3712. u32 chip_id,
  3713. u32 shmem_base, u8 port,
  3714. u8 *gpio_num, u8 *gpio_port)
  3715. {
  3716. u32 cfg_pin;
  3717. *gpio_num = 0;
  3718. *gpio_port = 0;
  3719. if (CHIP_IS_E3(bp)) {
  3720. cfg_pin = (REG_RD(bp, shmem_base +
  3721. offsetof(struct shmem_region,
  3722. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3723. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3724. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3725. /* Should not happen. This function called upon interrupt
  3726. * triggered by GPIO ( since EPIO can only generate interrupts
  3727. * to MCP).
  3728. * So if this function was called and none of the GPIOs was set,
  3729. * it means the shit hit the fan.
  3730. */
  3731. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3732. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3733. DP(NETIF_MSG_LINK,
  3734. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3735. cfg_pin);
  3736. return -EINVAL;
  3737. }
  3738. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3739. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3740. } else {
  3741. *gpio_num = MISC_REGISTERS_GPIO_3;
  3742. *gpio_port = port;
  3743. }
  3744. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3745. return 0;
  3746. }
  3747. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3748. struct link_params *params)
  3749. {
  3750. struct bnx2x *bp = params->bp;
  3751. u8 gpio_num, gpio_port;
  3752. u32 gpio_val;
  3753. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3754. params->shmem_base, params->port,
  3755. &gpio_num, &gpio_port) != 0)
  3756. return 0;
  3757. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3758. /* Call the handling function in case module is detected */
  3759. if (gpio_val == 0)
  3760. return 1;
  3761. else
  3762. return 0;
  3763. }
  3764. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3765. struct link_params *params)
  3766. {
  3767. u16 gp2_status_reg0, lane;
  3768. struct bnx2x *bp = params->bp;
  3769. lane = bnx2x_get_warpcore_lane(phy, params);
  3770. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3771. &gp2_status_reg0);
  3772. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3773. }
  3774. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3775. struct link_params *params,
  3776. struct link_vars *vars)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u32 serdes_net_if;
  3780. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3781. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3782. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3783. if (!vars->turn_to_run_wc_rt)
  3784. return;
  3785. /* Return if there is no link partner */
  3786. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3787. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3788. return;
  3789. }
  3790. if (vars->rx_tx_asic_rst) {
  3791. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3792. offsetof(struct shmem_region, dev_info.
  3793. port_hw_config[params->port].default_cfg)) &
  3794. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3795. switch (serdes_net_if) {
  3796. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3797. /* Do we get link yet? */
  3798. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3799. &gp_status1);
  3800. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3801. /*10G KR*/
  3802. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3803. DP(NETIF_MSG_LINK,
  3804. "gp_status1 0x%x\n", gp_status1);
  3805. if (lnkup_kr || lnkup) {
  3806. vars->rx_tx_asic_rst = 0;
  3807. DP(NETIF_MSG_LINK,
  3808. "link up, rx_tx_asic_rst 0x%x\n",
  3809. vars->rx_tx_asic_rst);
  3810. } else {
  3811. /* Reset the lane to see if link comes up.*/
  3812. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3813. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3814. /* Restart Autoneg */
  3815. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3816. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3817. vars->rx_tx_asic_rst--;
  3818. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3819. vars->rx_tx_asic_rst);
  3820. }
  3821. break;
  3822. default:
  3823. break;
  3824. }
  3825. } /*params->rx_tx_asic_rst*/
  3826. }
  3827. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3828. struct link_params *params)
  3829. {
  3830. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3831. struct bnx2x *bp = params->bp;
  3832. bnx2x_warpcore_clear_regs(phy, params, lane);
  3833. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3834. SPEED_10000) &&
  3835. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3836. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3837. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3838. } else {
  3839. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3840. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3841. }
  3842. }
  3843. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3844. struct link_params *params,
  3845. struct link_vars *vars)
  3846. {
  3847. struct bnx2x *bp = params->bp;
  3848. u32 serdes_net_if;
  3849. u8 fiber_mode;
  3850. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3851. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3852. offsetof(struct shmem_region, dev_info.
  3853. port_hw_config[params->port].default_cfg)) &
  3854. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3855. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3856. "serdes_net_if = 0x%x\n",
  3857. vars->line_speed, serdes_net_if);
  3858. bnx2x_set_aer_mmd(params, phy);
  3859. vars->phy_flags |= PHY_XGXS_FLAG;
  3860. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3861. (phy->req_line_speed &&
  3862. ((phy->req_line_speed == SPEED_100) ||
  3863. (phy->req_line_speed == SPEED_10)))) {
  3864. vars->phy_flags |= PHY_SGMII_FLAG;
  3865. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3866. bnx2x_warpcore_clear_regs(phy, params, lane);
  3867. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3868. } else {
  3869. switch (serdes_net_if) {
  3870. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3871. /* Enable KR Auto Neg */
  3872. if (params->loopback_mode != LOOPBACK_EXT)
  3873. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3874. else {
  3875. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3876. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3877. }
  3878. break;
  3879. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3880. bnx2x_warpcore_clear_regs(phy, params, lane);
  3881. if (vars->line_speed == SPEED_10000) {
  3882. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3883. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3884. } else {
  3885. if (SINGLE_MEDIA_DIRECT(params)) {
  3886. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3887. fiber_mode = 1;
  3888. } else {
  3889. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3890. fiber_mode = 0;
  3891. }
  3892. bnx2x_warpcore_set_sgmii_speed(phy,
  3893. params,
  3894. fiber_mode,
  3895. 0);
  3896. }
  3897. break;
  3898. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3899. /* Issue Module detection */
  3900. if (bnx2x_is_sfp_module_plugged(phy, params))
  3901. bnx2x_sfp_module_detection(phy, params);
  3902. bnx2x_warpcore_config_sfi(phy, params);
  3903. break;
  3904. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3905. if (vars->line_speed != SPEED_20000) {
  3906. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3907. return;
  3908. }
  3909. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3910. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3911. /* Issue Module detection */
  3912. bnx2x_sfp_module_detection(phy, params);
  3913. break;
  3914. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3915. if (vars->line_speed != SPEED_20000) {
  3916. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3917. return;
  3918. }
  3919. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3920. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3921. break;
  3922. default:
  3923. DP(NETIF_MSG_LINK,
  3924. "Unsupported Serdes Net Interface 0x%x\n",
  3925. serdes_net_if);
  3926. return;
  3927. }
  3928. }
  3929. /* Take lane out of reset after configuration is finished */
  3930. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3931. DP(NETIF_MSG_LINK, "Exit config init\n");
  3932. }
  3933. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3934. struct bnx2x_phy *phy,
  3935. u8 tx_en)
  3936. {
  3937. struct bnx2x *bp = params->bp;
  3938. u32 cfg_pin;
  3939. u8 port = params->port;
  3940. cfg_pin = REG_RD(bp, params->shmem_base +
  3941. offsetof(struct shmem_region,
  3942. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3943. PORT_HW_CFG_TX_LASER_MASK;
  3944. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3945. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3946. /* For 20G, the expected pin to be used is 3 pins after the current */
  3947. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3948. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3949. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3950. }
  3951. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3952. struct link_params *params)
  3953. {
  3954. struct bnx2x *bp = params->bp;
  3955. u16 val16;
  3956. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3957. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3958. bnx2x_set_aer_mmd(params, phy);
  3959. /* Global register */
  3960. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3961. /* Clear loopback settings (if any) */
  3962. /* 10G & 20G */
  3963. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3964. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3965. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3967. 0xBFFF);
  3968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3969. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3970. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3972. /* Update those 1-copy registers */
  3973. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3974. MDIO_AER_BLOCK_AER_REG, 0);
  3975. /* Enable 1G MDIO (1-copy) */
  3976. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3977. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3978. &val16);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3981. val16 & ~0x10);
  3982. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3983. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3984. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3986. val16 & 0xff00);
  3987. }
  3988. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3989. struct link_params *params)
  3990. {
  3991. struct bnx2x *bp = params->bp;
  3992. u16 val16;
  3993. u32 lane;
  3994. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3995. params->loopback_mode, phy->req_line_speed);
  3996. if (phy->req_line_speed < SPEED_10000) {
  3997. /* 10/100/1000 */
  3998. /* Update those 1-copy registers */
  3999. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4000. MDIO_AER_BLOCK_AER_REG, 0);
  4001. /* Enable 1G MDIO (1-copy) */
  4002. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4003. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4004. 0x10);
  4005. /* Set 1G loopback based on lane (1-copy) */
  4006. lane = bnx2x_get_warpcore_lane(phy, params);
  4007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4009. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4010. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4011. val16 | (1<<lane));
  4012. /* Switch back to 4-copy registers */
  4013. bnx2x_set_aer_mmd(params, phy);
  4014. } else {
  4015. /* 10G & 20G */
  4016. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4017. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4018. 0x4000);
  4019. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4020. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4021. }
  4022. }
  4023. static void bnx2x_sync_link(struct link_params *params,
  4024. struct link_vars *vars)
  4025. {
  4026. struct bnx2x *bp = params->bp;
  4027. u8 link_10g_plus;
  4028. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4029. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4030. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4031. if (vars->link_up) {
  4032. DP(NETIF_MSG_LINK, "phy link up\n");
  4033. vars->phy_link_up = 1;
  4034. vars->duplex = DUPLEX_FULL;
  4035. switch (vars->link_status &
  4036. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4037. case LINK_10THD:
  4038. vars->duplex = DUPLEX_HALF;
  4039. /* Fall thru */
  4040. case LINK_10TFD:
  4041. vars->line_speed = SPEED_10;
  4042. break;
  4043. case LINK_100TXHD:
  4044. vars->duplex = DUPLEX_HALF;
  4045. /* Fall thru */
  4046. case LINK_100T4:
  4047. case LINK_100TXFD:
  4048. vars->line_speed = SPEED_100;
  4049. break;
  4050. case LINK_1000THD:
  4051. vars->duplex = DUPLEX_HALF;
  4052. /* Fall thru */
  4053. case LINK_1000TFD:
  4054. vars->line_speed = SPEED_1000;
  4055. break;
  4056. case LINK_2500THD:
  4057. vars->duplex = DUPLEX_HALF;
  4058. /* Fall thru */
  4059. case LINK_2500TFD:
  4060. vars->line_speed = SPEED_2500;
  4061. break;
  4062. case LINK_10GTFD:
  4063. vars->line_speed = SPEED_10000;
  4064. break;
  4065. case LINK_20GTFD:
  4066. vars->line_speed = SPEED_20000;
  4067. break;
  4068. default:
  4069. break;
  4070. }
  4071. vars->flow_ctrl = 0;
  4072. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4073. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4074. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4075. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4076. if (!vars->flow_ctrl)
  4077. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4078. if (vars->line_speed &&
  4079. ((vars->line_speed == SPEED_10) ||
  4080. (vars->line_speed == SPEED_100))) {
  4081. vars->phy_flags |= PHY_SGMII_FLAG;
  4082. } else {
  4083. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4084. }
  4085. if (vars->line_speed &&
  4086. USES_WARPCORE(bp) &&
  4087. (vars->line_speed == SPEED_1000))
  4088. vars->phy_flags |= PHY_SGMII_FLAG;
  4089. /* Anything 10 and over uses the bmac */
  4090. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4091. if (link_10g_plus) {
  4092. if (USES_WARPCORE(bp))
  4093. vars->mac_type = MAC_TYPE_XMAC;
  4094. else
  4095. vars->mac_type = MAC_TYPE_BMAC;
  4096. } else {
  4097. if (USES_WARPCORE(bp))
  4098. vars->mac_type = MAC_TYPE_UMAC;
  4099. else
  4100. vars->mac_type = MAC_TYPE_EMAC;
  4101. }
  4102. } else { /* Link down */
  4103. DP(NETIF_MSG_LINK, "phy link down\n");
  4104. vars->phy_link_up = 0;
  4105. vars->line_speed = 0;
  4106. vars->duplex = DUPLEX_FULL;
  4107. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4108. /* Indicate no mac active */
  4109. vars->mac_type = MAC_TYPE_NONE;
  4110. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4111. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4112. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4113. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4114. }
  4115. }
  4116. void bnx2x_link_status_update(struct link_params *params,
  4117. struct link_vars *vars)
  4118. {
  4119. struct bnx2x *bp = params->bp;
  4120. u8 port = params->port;
  4121. u32 sync_offset, media_types;
  4122. /* Update PHY configuration */
  4123. set_phy_vars(params, vars);
  4124. vars->link_status = REG_RD(bp, params->shmem_base +
  4125. offsetof(struct shmem_region,
  4126. port_mb[port].link_status));
  4127. vars->phy_flags = PHY_XGXS_FLAG;
  4128. bnx2x_sync_link(params, vars);
  4129. /* Sync media type */
  4130. sync_offset = params->shmem_base +
  4131. offsetof(struct shmem_region,
  4132. dev_info.port_hw_config[port].media_type);
  4133. media_types = REG_RD(bp, sync_offset);
  4134. params->phy[INT_PHY].media_type =
  4135. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4136. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4137. params->phy[EXT_PHY1].media_type =
  4138. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4139. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4140. params->phy[EXT_PHY2].media_type =
  4141. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4142. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4143. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4144. /* Sync AEU offset */
  4145. sync_offset = params->shmem_base +
  4146. offsetof(struct shmem_region,
  4147. dev_info.port_hw_config[port].aeu_int_mask);
  4148. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4149. /* Sync PFC status */
  4150. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4151. params->feature_config_flags |=
  4152. FEATURE_CONFIG_PFC_ENABLED;
  4153. else
  4154. params->feature_config_flags &=
  4155. ~FEATURE_CONFIG_PFC_ENABLED;
  4156. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4157. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4158. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4159. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4160. }
  4161. static void bnx2x_set_master_ln(struct link_params *params,
  4162. struct bnx2x_phy *phy)
  4163. {
  4164. struct bnx2x *bp = params->bp;
  4165. u16 new_master_ln, ser_lane;
  4166. ser_lane = ((params->lane_config &
  4167. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4168. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4169. /* Set the master_ln for AN */
  4170. CL22_RD_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_XGXS_BLOCK2,
  4172. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4173. &new_master_ln);
  4174. CL22_WR_OVER_CL45(bp, phy,
  4175. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4176. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4177. (new_master_ln | ser_lane));
  4178. }
  4179. static int bnx2x_reset_unicore(struct link_params *params,
  4180. struct bnx2x_phy *phy,
  4181. u8 set_serdes)
  4182. {
  4183. struct bnx2x *bp = params->bp;
  4184. u16 mii_control;
  4185. u16 i;
  4186. CL22_RD_OVER_CL45(bp, phy,
  4187. MDIO_REG_BANK_COMBO_IEEE0,
  4188. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4189. /* Reset the unicore */
  4190. CL22_WR_OVER_CL45(bp, phy,
  4191. MDIO_REG_BANK_COMBO_IEEE0,
  4192. MDIO_COMBO_IEEE0_MII_CONTROL,
  4193. (mii_control |
  4194. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4195. if (set_serdes)
  4196. bnx2x_set_serdes_access(bp, params->port);
  4197. /* Wait for the reset to self clear */
  4198. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4199. udelay(5);
  4200. /* The reset erased the previous bank value */
  4201. CL22_RD_OVER_CL45(bp, phy,
  4202. MDIO_REG_BANK_COMBO_IEEE0,
  4203. MDIO_COMBO_IEEE0_MII_CONTROL,
  4204. &mii_control);
  4205. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4206. udelay(5);
  4207. return 0;
  4208. }
  4209. }
  4210. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4211. " Port %d\n",
  4212. params->port);
  4213. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4214. return -EINVAL;
  4215. }
  4216. static void bnx2x_set_swap_lanes(struct link_params *params,
  4217. struct bnx2x_phy *phy)
  4218. {
  4219. struct bnx2x *bp = params->bp;
  4220. /* Each two bits represents a lane number:
  4221. * No swap is 0123 => 0x1b no need to enable the swap
  4222. */
  4223. u16 rx_lane_swap, tx_lane_swap;
  4224. rx_lane_swap = ((params->lane_config &
  4225. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4226. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4227. tx_lane_swap = ((params->lane_config &
  4228. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4229. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4230. if (rx_lane_swap != 0x1b) {
  4231. CL22_WR_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_XGXS_BLOCK2,
  4233. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4234. (rx_lane_swap |
  4235. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4236. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4237. } else {
  4238. CL22_WR_OVER_CL45(bp, phy,
  4239. MDIO_REG_BANK_XGXS_BLOCK2,
  4240. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4241. }
  4242. if (tx_lane_swap != 0x1b) {
  4243. CL22_WR_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_XGXS_BLOCK2,
  4245. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4246. (tx_lane_swap |
  4247. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4248. } else {
  4249. CL22_WR_OVER_CL45(bp, phy,
  4250. MDIO_REG_BANK_XGXS_BLOCK2,
  4251. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4252. }
  4253. }
  4254. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4255. struct link_params *params)
  4256. {
  4257. struct bnx2x *bp = params->bp;
  4258. u16 control2;
  4259. CL22_RD_OVER_CL45(bp, phy,
  4260. MDIO_REG_BANK_SERDES_DIGITAL,
  4261. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4262. &control2);
  4263. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4264. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4265. else
  4266. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4267. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4268. phy->speed_cap_mask, control2);
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_SERDES_DIGITAL,
  4271. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4272. control2);
  4273. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4274. (phy->speed_cap_mask &
  4275. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4276. DP(NETIF_MSG_LINK, "XGXS\n");
  4277. CL22_WR_OVER_CL45(bp, phy,
  4278. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4279. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4280. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4281. CL22_RD_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4283. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4284. &control2);
  4285. control2 |=
  4286. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4287. CL22_WR_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4289. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4290. control2);
  4291. /* Disable parallel detection of HiG */
  4292. CL22_WR_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_XGXS_BLOCK2,
  4294. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4295. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4296. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4297. }
  4298. }
  4299. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4300. struct link_params *params,
  4301. struct link_vars *vars,
  4302. u8 enable_cl73)
  4303. {
  4304. struct bnx2x *bp = params->bp;
  4305. u16 reg_val;
  4306. /* CL37 Autoneg */
  4307. CL22_RD_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_COMBO_IEEE0,
  4309. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4310. /* CL37 Autoneg Enabled */
  4311. if (vars->line_speed == SPEED_AUTO_NEG)
  4312. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4313. else /* CL37 Autoneg Disabled */
  4314. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4315. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4316. CL22_WR_OVER_CL45(bp, phy,
  4317. MDIO_REG_BANK_COMBO_IEEE0,
  4318. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4319. /* Enable/Disable Autodetection */
  4320. CL22_RD_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_SERDES_DIGITAL,
  4322. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4323. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4324. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4325. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4326. if (vars->line_speed == SPEED_AUTO_NEG)
  4327. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4328. else
  4329. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_SERDES_DIGITAL,
  4332. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4333. /* Enable TetonII and BAM autoneg */
  4334. CL22_RD_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4336. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4337. &reg_val);
  4338. if (vars->line_speed == SPEED_AUTO_NEG) {
  4339. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4340. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4341. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4342. } else {
  4343. /* TetonII and BAM Autoneg Disabled */
  4344. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4345. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4346. }
  4347. CL22_WR_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4349. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4350. reg_val);
  4351. if (enable_cl73) {
  4352. /* Enable Cl73 FSM status bits */
  4353. CL22_WR_OVER_CL45(bp, phy,
  4354. MDIO_REG_BANK_CL73_USERB0,
  4355. MDIO_CL73_USERB0_CL73_UCTRL,
  4356. 0xe);
  4357. /* Enable BAM Station Manager*/
  4358. CL22_WR_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_CL73_USERB0,
  4360. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4361. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4362. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4363. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4364. /* Advertise CL73 link speeds */
  4365. CL22_RD_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_CL73_IEEEB1,
  4367. MDIO_CL73_IEEEB1_AN_ADV2,
  4368. &reg_val);
  4369. if (phy->speed_cap_mask &
  4370. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4371. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4372. if (phy->speed_cap_mask &
  4373. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4374. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4375. CL22_WR_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_CL73_IEEEB1,
  4377. MDIO_CL73_IEEEB1_AN_ADV2,
  4378. reg_val);
  4379. /* CL73 Autoneg Enabled */
  4380. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4381. } else /* CL73 Autoneg Disabled */
  4382. reg_val = 0;
  4383. CL22_WR_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_CL73_IEEEB0,
  4385. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4386. }
  4387. /* Program SerDes, forced speed */
  4388. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4389. struct link_params *params,
  4390. struct link_vars *vars)
  4391. {
  4392. struct bnx2x *bp = params->bp;
  4393. u16 reg_val;
  4394. /* Program duplex, disable autoneg and sgmii*/
  4395. CL22_RD_OVER_CL45(bp, phy,
  4396. MDIO_REG_BANK_COMBO_IEEE0,
  4397. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4398. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4399. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4400. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4401. if (phy->req_duplex == DUPLEX_FULL)
  4402. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4403. CL22_WR_OVER_CL45(bp, phy,
  4404. MDIO_REG_BANK_COMBO_IEEE0,
  4405. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4406. /* Program speed
  4407. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4408. */
  4409. CL22_RD_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_SERDES_DIGITAL,
  4411. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4412. /* Clearing the speed value before setting the right speed */
  4413. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4414. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4415. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4416. if (!((vars->line_speed == SPEED_1000) ||
  4417. (vars->line_speed == SPEED_100) ||
  4418. (vars->line_speed == SPEED_10))) {
  4419. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4420. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4421. if (vars->line_speed == SPEED_10000)
  4422. reg_val |=
  4423. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4424. }
  4425. CL22_WR_OVER_CL45(bp, phy,
  4426. MDIO_REG_BANK_SERDES_DIGITAL,
  4427. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4428. }
  4429. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4430. struct link_params *params)
  4431. {
  4432. struct bnx2x *bp = params->bp;
  4433. u16 val = 0;
  4434. /* Set extended capabilities */
  4435. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4436. val |= MDIO_OVER_1G_UP1_2_5G;
  4437. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4438. val |= MDIO_OVER_1G_UP1_10G;
  4439. CL22_WR_OVER_CL45(bp, phy,
  4440. MDIO_REG_BANK_OVER_1G,
  4441. MDIO_OVER_1G_UP1, val);
  4442. CL22_WR_OVER_CL45(bp, phy,
  4443. MDIO_REG_BANK_OVER_1G,
  4444. MDIO_OVER_1G_UP3, 0x400);
  4445. }
  4446. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4447. struct link_params *params,
  4448. u16 ieee_fc)
  4449. {
  4450. struct bnx2x *bp = params->bp;
  4451. u16 val;
  4452. /* For AN, we are always publishing full duplex */
  4453. CL22_WR_OVER_CL45(bp, phy,
  4454. MDIO_REG_BANK_COMBO_IEEE0,
  4455. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4456. CL22_RD_OVER_CL45(bp, phy,
  4457. MDIO_REG_BANK_CL73_IEEEB1,
  4458. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4459. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4460. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4461. CL22_WR_OVER_CL45(bp, phy,
  4462. MDIO_REG_BANK_CL73_IEEEB1,
  4463. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4464. }
  4465. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4466. struct link_params *params,
  4467. u8 enable_cl73)
  4468. {
  4469. struct bnx2x *bp = params->bp;
  4470. u16 mii_control;
  4471. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4472. /* Enable and restart BAM/CL37 aneg */
  4473. if (enable_cl73) {
  4474. CL22_RD_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_CL73_IEEEB0,
  4476. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4477. &mii_control);
  4478. CL22_WR_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB0,
  4480. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4481. (mii_control |
  4482. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4483. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4484. } else {
  4485. CL22_RD_OVER_CL45(bp, phy,
  4486. MDIO_REG_BANK_COMBO_IEEE0,
  4487. MDIO_COMBO_IEEE0_MII_CONTROL,
  4488. &mii_control);
  4489. DP(NETIF_MSG_LINK,
  4490. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4491. mii_control);
  4492. CL22_WR_OVER_CL45(bp, phy,
  4493. MDIO_REG_BANK_COMBO_IEEE0,
  4494. MDIO_COMBO_IEEE0_MII_CONTROL,
  4495. (mii_control |
  4496. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4497. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4498. }
  4499. }
  4500. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4501. struct link_params *params,
  4502. struct link_vars *vars)
  4503. {
  4504. struct bnx2x *bp = params->bp;
  4505. u16 control1;
  4506. /* In SGMII mode, the unicore is always slave */
  4507. CL22_RD_OVER_CL45(bp, phy,
  4508. MDIO_REG_BANK_SERDES_DIGITAL,
  4509. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4510. &control1);
  4511. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4512. /* Set sgmii mode (and not fiber) */
  4513. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4514. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4515. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4516. CL22_WR_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_SERDES_DIGITAL,
  4518. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4519. control1);
  4520. /* If forced speed */
  4521. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4522. /* Set speed, disable autoneg */
  4523. u16 mii_control;
  4524. CL22_RD_OVER_CL45(bp, phy,
  4525. MDIO_REG_BANK_COMBO_IEEE0,
  4526. MDIO_COMBO_IEEE0_MII_CONTROL,
  4527. &mii_control);
  4528. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4529. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4530. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4531. switch (vars->line_speed) {
  4532. case SPEED_100:
  4533. mii_control |=
  4534. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4535. break;
  4536. case SPEED_1000:
  4537. mii_control |=
  4538. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4539. break;
  4540. case SPEED_10:
  4541. /* There is nothing to set for 10M */
  4542. break;
  4543. default:
  4544. /* Invalid speed for SGMII */
  4545. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4546. vars->line_speed);
  4547. break;
  4548. }
  4549. /* Setting the full duplex */
  4550. if (phy->req_duplex == DUPLEX_FULL)
  4551. mii_control |=
  4552. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4553. CL22_WR_OVER_CL45(bp, phy,
  4554. MDIO_REG_BANK_COMBO_IEEE0,
  4555. MDIO_COMBO_IEEE0_MII_CONTROL,
  4556. mii_control);
  4557. } else { /* AN mode */
  4558. /* Enable and restart AN */
  4559. bnx2x_restart_autoneg(phy, params, 0);
  4560. }
  4561. }
  4562. /* Link management
  4563. */
  4564. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4565. struct link_params *params)
  4566. {
  4567. struct bnx2x *bp = params->bp;
  4568. u16 pd_10g, status2_1000x;
  4569. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4570. return 0;
  4571. CL22_RD_OVER_CL45(bp, phy,
  4572. MDIO_REG_BANK_SERDES_DIGITAL,
  4573. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4574. &status2_1000x);
  4575. CL22_RD_OVER_CL45(bp, phy,
  4576. MDIO_REG_BANK_SERDES_DIGITAL,
  4577. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4578. &status2_1000x);
  4579. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4580. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4581. params->port);
  4582. return 1;
  4583. }
  4584. CL22_RD_OVER_CL45(bp, phy,
  4585. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4586. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4587. &pd_10g);
  4588. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4589. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4590. params->port);
  4591. return 1;
  4592. }
  4593. return 0;
  4594. }
  4595. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4596. struct link_params *params,
  4597. struct link_vars *vars,
  4598. u32 gp_status)
  4599. {
  4600. u16 ld_pause; /* local driver */
  4601. u16 lp_pause; /* link partner */
  4602. u16 pause_result;
  4603. struct bnx2x *bp = params->bp;
  4604. if ((gp_status &
  4605. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4606. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4607. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4608. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4609. CL22_RD_OVER_CL45(bp, phy,
  4610. MDIO_REG_BANK_CL73_IEEEB1,
  4611. MDIO_CL73_IEEEB1_AN_ADV1,
  4612. &ld_pause);
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_CL73_IEEEB1,
  4615. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4616. &lp_pause);
  4617. pause_result = (ld_pause &
  4618. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4619. pause_result |= (lp_pause &
  4620. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4621. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4622. } else {
  4623. CL22_RD_OVER_CL45(bp, phy,
  4624. MDIO_REG_BANK_COMBO_IEEE0,
  4625. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4626. &ld_pause);
  4627. CL22_RD_OVER_CL45(bp, phy,
  4628. MDIO_REG_BANK_COMBO_IEEE0,
  4629. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4630. &lp_pause);
  4631. pause_result = (ld_pause &
  4632. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4633. pause_result |= (lp_pause &
  4634. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4635. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4636. }
  4637. bnx2x_pause_resolve(vars, pause_result);
  4638. }
  4639. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4640. struct link_params *params,
  4641. struct link_vars *vars,
  4642. u32 gp_status)
  4643. {
  4644. struct bnx2x *bp = params->bp;
  4645. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4646. /* Resolve from gp_status in case of AN complete and not sgmii */
  4647. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4648. /* Update the advertised flow-controled of LD/LP in AN */
  4649. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4650. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4651. /* But set the flow-control result as the requested one */
  4652. vars->flow_ctrl = phy->req_flow_ctrl;
  4653. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4654. vars->flow_ctrl = params->req_fc_auto_adv;
  4655. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4656. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4657. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4658. vars->flow_ctrl = params->req_fc_auto_adv;
  4659. return;
  4660. }
  4661. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4662. }
  4663. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4664. }
  4665. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4666. struct link_params *params)
  4667. {
  4668. struct bnx2x *bp = params->bp;
  4669. u16 rx_status, ustat_val, cl37_fsm_received;
  4670. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4671. /* Step 1: Make sure signal is detected */
  4672. CL22_RD_OVER_CL45(bp, phy,
  4673. MDIO_REG_BANK_RX0,
  4674. MDIO_RX0_RX_STATUS,
  4675. &rx_status);
  4676. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4677. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4678. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4679. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4680. CL22_WR_OVER_CL45(bp, phy,
  4681. MDIO_REG_BANK_CL73_IEEEB0,
  4682. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4683. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4684. return;
  4685. }
  4686. /* Step 2: Check CL73 state machine */
  4687. CL22_RD_OVER_CL45(bp, phy,
  4688. MDIO_REG_BANK_CL73_USERB0,
  4689. MDIO_CL73_USERB0_CL73_USTAT1,
  4690. &ustat_val);
  4691. if ((ustat_val &
  4692. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4693. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4694. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4695. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4696. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4697. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4698. return;
  4699. }
  4700. /* Step 3: Check CL37 Message Pages received to indicate LP
  4701. * supports only CL37
  4702. */
  4703. CL22_RD_OVER_CL45(bp, phy,
  4704. MDIO_REG_BANK_REMOTE_PHY,
  4705. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4706. &cl37_fsm_received);
  4707. if ((cl37_fsm_received &
  4708. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4709. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4710. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4711. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4712. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4713. "misc_rx_status(0x8330) = 0x%x\n",
  4714. cl37_fsm_received);
  4715. return;
  4716. }
  4717. /* The combined cl37/cl73 fsm state information indicating that
  4718. * we are connected to a device which does not support cl73, but
  4719. * does support cl37 BAM. In this case we disable cl73 and
  4720. * restart cl37 auto-neg
  4721. */
  4722. /* Disable CL73 */
  4723. CL22_WR_OVER_CL45(bp, phy,
  4724. MDIO_REG_BANK_CL73_IEEEB0,
  4725. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4726. 0);
  4727. /* Restart CL37 autoneg */
  4728. bnx2x_restart_autoneg(phy, params, 0);
  4729. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4730. }
  4731. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4732. struct link_params *params,
  4733. struct link_vars *vars,
  4734. u32 gp_status)
  4735. {
  4736. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4737. vars->link_status |=
  4738. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4739. if (bnx2x_direct_parallel_detect_used(phy, params))
  4740. vars->link_status |=
  4741. LINK_STATUS_PARALLEL_DETECTION_USED;
  4742. }
  4743. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4744. struct link_params *params,
  4745. struct link_vars *vars,
  4746. u16 is_link_up,
  4747. u16 speed_mask,
  4748. u16 is_duplex)
  4749. {
  4750. struct bnx2x *bp = params->bp;
  4751. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4752. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4753. if (is_link_up) {
  4754. DP(NETIF_MSG_LINK, "phy link up\n");
  4755. vars->phy_link_up = 1;
  4756. vars->link_status |= LINK_STATUS_LINK_UP;
  4757. switch (speed_mask) {
  4758. case GP_STATUS_10M:
  4759. vars->line_speed = SPEED_10;
  4760. if (vars->duplex == DUPLEX_FULL)
  4761. vars->link_status |= LINK_10TFD;
  4762. else
  4763. vars->link_status |= LINK_10THD;
  4764. break;
  4765. case GP_STATUS_100M:
  4766. vars->line_speed = SPEED_100;
  4767. if (vars->duplex == DUPLEX_FULL)
  4768. vars->link_status |= LINK_100TXFD;
  4769. else
  4770. vars->link_status |= LINK_100TXHD;
  4771. break;
  4772. case GP_STATUS_1G:
  4773. case GP_STATUS_1G_KX:
  4774. vars->line_speed = SPEED_1000;
  4775. if (vars->duplex == DUPLEX_FULL)
  4776. vars->link_status |= LINK_1000TFD;
  4777. else
  4778. vars->link_status |= LINK_1000THD;
  4779. break;
  4780. case GP_STATUS_2_5G:
  4781. vars->line_speed = SPEED_2500;
  4782. if (vars->duplex == DUPLEX_FULL)
  4783. vars->link_status |= LINK_2500TFD;
  4784. else
  4785. vars->link_status |= LINK_2500THD;
  4786. break;
  4787. case GP_STATUS_5G:
  4788. case GP_STATUS_6G:
  4789. DP(NETIF_MSG_LINK,
  4790. "link speed unsupported gp_status 0x%x\n",
  4791. speed_mask);
  4792. return -EINVAL;
  4793. case GP_STATUS_10G_KX4:
  4794. case GP_STATUS_10G_HIG:
  4795. case GP_STATUS_10G_CX4:
  4796. case GP_STATUS_10G_KR:
  4797. case GP_STATUS_10G_SFI:
  4798. case GP_STATUS_10G_XFI:
  4799. vars->line_speed = SPEED_10000;
  4800. vars->link_status |= LINK_10GTFD;
  4801. break;
  4802. case GP_STATUS_20G_DXGXS:
  4803. vars->line_speed = SPEED_20000;
  4804. vars->link_status |= LINK_20GTFD;
  4805. break;
  4806. default:
  4807. DP(NETIF_MSG_LINK,
  4808. "link speed unsupported gp_status 0x%x\n",
  4809. speed_mask);
  4810. return -EINVAL;
  4811. }
  4812. } else { /* link_down */
  4813. DP(NETIF_MSG_LINK, "phy link down\n");
  4814. vars->phy_link_up = 0;
  4815. vars->duplex = DUPLEX_FULL;
  4816. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4817. vars->mac_type = MAC_TYPE_NONE;
  4818. }
  4819. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4820. vars->phy_link_up, vars->line_speed);
  4821. return 0;
  4822. }
  4823. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4824. struct link_params *params,
  4825. struct link_vars *vars)
  4826. {
  4827. struct bnx2x *bp = params->bp;
  4828. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4829. int rc = 0;
  4830. /* Read gp_status */
  4831. CL22_RD_OVER_CL45(bp, phy,
  4832. MDIO_REG_BANK_GP_STATUS,
  4833. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4834. &gp_status);
  4835. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4836. duplex = DUPLEX_FULL;
  4837. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4838. link_up = 1;
  4839. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4840. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4841. gp_status, link_up, speed_mask);
  4842. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4843. duplex);
  4844. if (rc == -EINVAL)
  4845. return rc;
  4846. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4847. if (SINGLE_MEDIA_DIRECT(params)) {
  4848. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4849. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4850. bnx2x_xgxs_an_resolve(phy, params, vars,
  4851. gp_status);
  4852. }
  4853. } else { /* Link_down */
  4854. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4855. SINGLE_MEDIA_DIRECT(params)) {
  4856. /* Check signal is detected */
  4857. bnx2x_check_fallback_to_cl37(phy, params);
  4858. }
  4859. }
  4860. /* Read LP advertised speeds*/
  4861. if (SINGLE_MEDIA_DIRECT(params) &&
  4862. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4863. u16 val;
  4864. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4865. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4866. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4867. vars->link_status |=
  4868. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4869. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4870. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4871. vars->link_status |=
  4872. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4873. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4874. MDIO_OVER_1G_LP_UP1, &val);
  4875. if (val & MDIO_OVER_1G_UP1_2_5G)
  4876. vars->link_status |=
  4877. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4878. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4879. vars->link_status |=
  4880. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4881. }
  4882. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4883. vars->duplex, vars->flow_ctrl, vars->link_status);
  4884. return rc;
  4885. }
  4886. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4887. struct link_params *params,
  4888. struct link_vars *vars)
  4889. {
  4890. struct bnx2x *bp = params->bp;
  4891. u8 lane;
  4892. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4893. int rc = 0;
  4894. lane = bnx2x_get_warpcore_lane(phy, params);
  4895. /* Read gp_status */
  4896. if (phy->req_line_speed > SPEED_10000) {
  4897. u16 temp_link_up;
  4898. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4899. 1, &temp_link_up);
  4900. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4901. 1, &link_up);
  4902. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4903. temp_link_up, link_up);
  4904. link_up &= (1<<2);
  4905. if (link_up)
  4906. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4907. } else {
  4908. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4909. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4910. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4911. /* Check for either KR or generic link up. */
  4912. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4913. ((gp_status1 >> 12) & 0xf);
  4914. link_up = gp_status1 & (1 << lane);
  4915. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4916. u16 pd, gp_status4;
  4917. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4918. /* Check Autoneg complete */
  4919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4920. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4921. &gp_status4);
  4922. if (gp_status4 & ((1<<12)<<lane))
  4923. vars->link_status |=
  4924. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4925. /* Check parallel detect used */
  4926. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4927. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4928. &pd);
  4929. if (pd & (1<<15))
  4930. vars->link_status |=
  4931. LINK_STATUS_PARALLEL_DETECTION_USED;
  4932. }
  4933. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4934. }
  4935. }
  4936. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4937. SINGLE_MEDIA_DIRECT(params)) {
  4938. u16 val;
  4939. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4940. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4941. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4942. vars->link_status |=
  4943. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4944. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4945. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4946. vars->link_status |=
  4947. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4948. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4949. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4950. if (val & MDIO_OVER_1G_UP1_2_5G)
  4951. vars->link_status |=
  4952. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4953. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4954. vars->link_status |=
  4955. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4956. }
  4957. if (lane < 2) {
  4958. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4959. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4960. } else {
  4961. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4962. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4963. }
  4964. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4965. if ((lane & 1) == 0)
  4966. gp_speed <<= 8;
  4967. gp_speed &= 0x3f00;
  4968. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4969. duplex);
  4970. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4971. vars->duplex, vars->flow_ctrl, vars->link_status);
  4972. return rc;
  4973. }
  4974. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4975. {
  4976. struct bnx2x *bp = params->bp;
  4977. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4978. u16 lp_up2;
  4979. u16 tx_driver;
  4980. u16 bank;
  4981. /* Read precomp */
  4982. CL22_RD_OVER_CL45(bp, phy,
  4983. MDIO_REG_BANK_OVER_1G,
  4984. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4985. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4986. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4987. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4988. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4989. if (lp_up2 == 0)
  4990. return;
  4991. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4992. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4993. CL22_RD_OVER_CL45(bp, phy,
  4994. bank,
  4995. MDIO_TX0_TX_DRIVER, &tx_driver);
  4996. /* Replace tx_driver bits [15:12] */
  4997. if (lp_up2 !=
  4998. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4999. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5000. tx_driver |= lp_up2;
  5001. CL22_WR_OVER_CL45(bp, phy,
  5002. bank,
  5003. MDIO_TX0_TX_DRIVER, tx_driver);
  5004. }
  5005. }
  5006. }
  5007. static int bnx2x_emac_program(struct link_params *params,
  5008. struct link_vars *vars)
  5009. {
  5010. struct bnx2x *bp = params->bp;
  5011. u8 port = params->port;
  5012. u16 mode = 0;
  5013. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5014. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5015. EMAC_REG_EMAC_MODE,
  5016. (EMAC_MODE_25G_MODE |
  5017. EMAC_MODE_PORT_MII_10M |
  5018. EMAC_MODE_HALF_DUPLEX));
  5019. switch (vars->line_speed) {
  5020. case SPEED_10:
  5021. mode |= EMAC_MODE_PORT_MII_10M;
  5022. break;
  5023. case SPEED_100:
  5024. mode |= EMAC_MODE_PORT_MII;
  5025. break;
  5026. case SPEED_1000:
  5027. mode |= EMAC_MODE_PORT_GMII;
  5028. break;
  5029. case SPEED_2500:
  5030. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5031. break;
  5032. default:
  5033. /* 10G not valid for EMAC */
  5034. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5035. vars->line_speed);
  5036. return -EINVAL;
  5037. }
  5038. if (vars->duplex == DUPLEX_HALF)
  5039. mode |= EMAC_MODE_HALF_DUPLEX;
  5040. bnx2x_bits_en(bp,
  5041. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5042. mode);
  5043. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5044. return 0;
  5045. }
  5046. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5047. struct link_params *params)
  5048. {
  5049. u16 bank, i = 0;
  5050. struct bnx2x *bp = params->bp;
  5051. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5052. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5053. CL22_WR_OVER_CL45(bp, phy,
  5054. bank,
  5055. MDIO_RX0_RX_EQ_BOOST,
  5056. phy->rx_preemphasis[i]);
  5057. }
  5058. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5059. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5060. CL22_WR_OVER_CL45(bp, phy,
  5061. bank,
  5062. MDIO_TX0_TX_DRIVER,
  5063. phy->tx_preemphasis[i]);
  5064. }
  5065. }
  5066. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5067. struct link_params *params,
  5068. struct link_vars *vars)
  5069. {
  5070. struct bnx2x *bp = params->bp;
  5071. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5072. (params->loopback_mode == LOOPBACK_XGXS));
  5073. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5074. if (SINGLE_MEDIA_DIRECT(params) &&
  5075. (params->feature_config_flags &
  5076. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5077. bnx2x_set_preemphasis(phy, params);
  5078. /* Forced speed requested? */
  5079. if (vars->line_speed != SPEED_AUTO_NEG ||
  5080. (SINGLE_MEDIA_DIRECT(params) &&
  5081. params->loopback_mode == LOOPBACK_EXT)) {
  5082. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5083. /* Disable autoneg */
  5084. bnx2x_set_autoneg(phy, params, vars, 0);
  5085. /* Program speed and duplex */
  5086. bnx2x_program_serdes(phy, params, vars);
  5087. } else { /* AN_mode */
  5088. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5089. /* AN enabled */
  5090. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5091. /* Program duplex & pause advertisement (for aneg) */
  5092. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5093. vars->ieee_fc);
  5094. /* Enable autoneg */
  5095. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5096. /* Enable and restart AN */
  5097. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5098. }
  5099. } else { /* SGMII mode */
  5100. DP(NETIF_MSG_LINK, "SGMII\n");
  5101. bnx2x_initialize_sgmii_process(phy, params, vars);
  5102. }
  5103. }
  5104. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5105. struct link_params *params,
  5106. struct link_vars *vars)
  5107. {
  5108. int rc;
  5109. vars->phy_flags |= PHY_XGXS_FLAG;
  5110. if ((phy->req_line_speed &&
  5111. ((phy->req_line_speed == SPEED_100) ||
  5112. (phy->req_line_speed == SPEED_10))) ||
  5113. (!phy->req_line_speed &&
  5114. (phy->speed_cap_mask >=
  5115. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5116. (phy->speed_cap_mask <
  5117. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5118. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5119. vars->phy_flags |= PHY_SGMII_FLAG;
  5120. else
  5121. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5122. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5123. bnx2x_set_aer_mmd(params, phy);
  5124. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5125. bnx2x_set_master_ln(params, phy);
  5126. rc = bnx2x_reset_unicore(params, phy, 0);
  5127. /* Reset the SerDes and wait for reset bit return low */
  5128. if (rc)
  5129. return rc;
  5130. bnx2x_set_aer_mmd(params, phy);
  5131. /* Setting the masterLn_def again after the reset */
  5132. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5133. bnx2x_set_master_ln(params, phy);
  5134. bnx2x_set_swap_lanes(params, phy);
  5135. }
  5136. return rc;
  5137. }
  5138. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5139. struct bnx2x_phy *phy,
  5140. struct link_params *params)
  5141. {
  5142. u16 cnt, ctrl;
  5143. /* Wait for soft reset to get cleared up to 1 sec */
  5144. for (cnt = 0; cnt < 1000; cnt++) {
  5145. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5146. bnx2x_cl22_read(bp, phy,
  5147. MDIO_PMA_REG_CTRL, &ctrl);
  5148. else
  5149. bnx2x_cl45_read(bp, phy,
  5150. MDIO_PMA_DEVAD,
  5151. MDIO_PMA_REG_CTRL, &ctrl);
  5152. if (!(ctrl & (1<<15)))
  5153. break;
  5154. usleep_range(1000, 2000);
  5155. }
  5156. if (cnt == 1000)
  5157. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5158. " Port %d\n",
  5159. params->port);
  5160. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5161. return cnt;
  5162. }
  5163. static void bnx2x_link_int_enable(struct link_params *params)
  5164. {
  5165. u8 port = params->port;
  5166. u32 mask;
  5167. struct bnx2x *bp = params->bp;
  5168. /* Setting the status to report on link up for either XGXS or SerDes */
  5169. if (CHIP_IS_E3(bp)) {
  5170. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5171. if (!(SINGLE_MEDIA_DIRECT(params)))
  5172. mask |= NIG_MASK_MI_INT;
  5173. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5174. mask = (NIG_MASK_XGXS0_LINK10G |
  5175. NIG_MASK_XGXS0_LINK_STATUS);
  5176. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5177. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5178. params->phy[INT_PHY].type !=
  5179. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5180. mask |= NIG_MASK_MI_INT;
  5181. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5182. }
  5183. } else { /* SerDes */
  5184. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5185. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5186. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5187. params->phy[INT_PHY].type !=
  5188. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5189. mask |= NIG_MASK_MI_INT;
  5190. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5191. }
  5192. }
  5193. bnx2x_bits_en(bp,
  5194. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5195. mask);
  5196. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5197. (params->switch_cfg == SWITCH_CFG_10G),
  5198. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5199. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5200. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5201. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5202. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5203. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5204. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5205. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5206. }
  5207. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5208. u8 exp_mi_int)
  5209. {
  5210. u32 latch_status = 0;
  5211. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5212. * status register. Link down indication is high-active-signal,
  5213. * so in this case we need to write the status to clear the XOR
  5214. */
  5215. /* Read Latched signals */
  5216. latch_status = REG_RD(bp,
  5217. NIG_REG_LATCH_STATUS_0 + port*8);
  5218. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5219. /* Handle only those with latched-signal=up.*/
  5220. if (exp_mi_int)
  5221. bnx2x_bits_en(bp,
  5222. NIG_REG_STATUS_INTERRUPT_PORT0
  5223. + port*4,
  5224. NIG_STATUS_EMAC0_MI_INT);
  5225. else
  5226. bnx2x_bits_dis(bp,
  5227. NIG_REG_STATUS_INTERRUPT_PORT0
  5228. + port*4,
  5229. NIG_STATUS_EMAC0_MI_INT);
  5230. if (latch_status & 1) {
  5231. /* For all latched-signal=up : Re-Arm Latch signals */
  5232. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5233. (latch_status & 0xfffe) | (latch_status & 1));
  5234. }
  5235. /* For all latched-signal=up,Write original_signal to status */
  5236. }
  5237. static void bnx2x_link_int_ack(struct link_params *params,
  5238. struct link_vars *vars, u8 is_10g_plus)
  5239. {
  5240. struct bnx2x *bp = params->bp;
  5241. u8 port = params->port;
  5242. u32 mask;
  5243. /* First reset all status we assume only one line will be
  5244. * change at a time
  5245. */
  5246. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5247. (NIG_STATUS_XGXS0_LINK10G |
  5248. NIG_STATUS_XGXS0_LINK_STATUS |
  5249. NIG_STATUS_SERDES0_LINK_STATUS));
  5250. if (vars->phy_link_up) {
  5251. if (USES_WARPCORE(bp))
  5252. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5253. else {
  5254. if (is_10g_plus)
  5255. mask = NIG_STATUS_XGXS0_LINK10G;
  5256. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5257. /* Disable the link interrupt by writing 1 to
  5258. * the relevant lane in the status register
  5259. */
  5260. u32 ser_lane =
  5261. ((params->lane_config &
  5262. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5263. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5264. mask = ((1 << ser_lane) <<
  5265. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5266. } else
  5267. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5268. }
  5269. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5270. mask);
  5271. bnx2x_bits_en(bp,
  5272. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5273. mask);
  5274. }
  5275. }
  5276. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5277. {
  5278. u8 *str_ptr = str;
  5279. u32 mask = 0xf0000000;
  5280. u8 shift = 8*4;
  5281. u8 digit;
  5282. u8 remove_leading_zeros = 1;
  5283. if (*len < 10) {
  5284. /* Need more than 10chars for this format */
  5285. *str_ptr = '\0';
  5286. (*len)--;
  5287. return -EINVAL;
  5288. }
  5289. while (shift > 0) {
  5290. shift -= 4;
  5291. digit = ((num & mask) >> shift);
  5292. if (digit == 0 && remove_leading_zeros) {
  5293. mask = mask >> 4;
  5294. continue;
  5295. } else if (digit < 0xa)
  5296. *str_ptr = digit + '0';
  5297. else
  5298. *str_ptr = digit - 0xa + 'a';
  5299. remove_leading_zeros = 0;
  5300. str_ptr++;
  5301. (*len)--;
  5302. mask = mask >> 4;
  5303. if (shift == 4*4) {
  5304. *str_ptr = '.';
  5305. str_ptr++;
  5306. (*len)--;
  5307. remove_leading_zeros = 1;
  5308. }
  5309. }
  5310. return 0;
  5311. }
  5312. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5313. {
  5314. str[0] = '\0';
  5315. (*len)--;
  5316. return 0;
  5317. }
  5318. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5319. u16 len)
  5320. {
  5321. struct bnx2x *bp;
  5322. u32 spirom_ver = 0;
  5323. int status = 0;
  5324. u8 *ver_p = version;
  5325. u16 remain_len = len;
  5326. if (version == NULL || params == NULL)
  5327. return -EINVAL;
  5328. bp = params->bp;
  5329. /* Extract first external phy*/
  5330. version[0] = '\0';
  5331. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5332. if (params->phy[EXT_PHY1].format_fw_ver) {
  5333. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5334. ver_p,
  5335. &remain_len);
  5336. ver_p += (len - remain_len);
  5337. }
  5338. if ((params->num_phys == MAX_PHYS) &&
  5339. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5340. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5341. if (params->phy[EXT_PHY2].format_fw_ver) {
  5342. *ver_p = '/';
  5343. ver_p++;
  5344. remain_len--;
  5345. status |= params->phy[EXT_PHY2].format_fw_ver(
  5346. spirom_ver,
  5347. ver_p,
  5348. &remain_len);
  5349. ver_p = version + (len - remain_len);
  5350. }
  5351. }
  5352. *ver_p = '\0';
  5353. return status;
  5354. }
  5355. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5356. struct link_params *params)
  5357. {
  5358. u8 port = params->port;
  5359. struct bnx2x *bp = params->bp;
  5360. if (phy->req_line_speed != SPEED_1000) {
  5361. u32 md_devad = 0;
  5362. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5363. if (!CHIP_IS_E3(bp)) {
  5364. /* Change the uni_phy_addr in the nig */
  5365. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5366. port*0x18));
  5367. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5368. 0x5);
  5369. }
  5370. bnx2x_cl45_write(bp, phy,
  5371. 5,
  5372. (MDIO_REG_BANK_AER_BLOCK +
  5373. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5374. 0x2800);
  5375. bnx2x_cl45_write(bp, phy,
  5376. 5,
  5377. (MDIO_REG_BANK_CL73_IEEEB0 +
  5378. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5379. 0x6041);
  5380. msleep(200);
  5381. /* Set aer mmd back */
  5382. bnx2x_set_aer_mmd(params, phy);
  5383. if (!CHIP_IS_E3(bp)) {
  5384. /* And md_devad */
  5385. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5386. md_devad);
  5387. }
  5388. } else {
  5389. u16 mii_ctrl;
  5390. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5391. bnx2x_cl45_read(bp, phy, 5,
  5392. (MDIO_REG_BANK_COMBO_IEEE0 +
  5393. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5394. &mii_ctrl);
  5395. bnx2x_cl45_write(bp, phy, 5,
  5396. (MDIO_REG_BANK_COMBO_IEEE0 +
  5397. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5398. mii_ctrl |
  5399. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5400. }
  5401. }
  5402. int bnx2x_set_led(struct link_params *params,
  5403. struct link_vars *vars, u8 mode, u32 speed)
  5404. {
  5405. u8 port = params->port;
  5406. u16 hw_led_mode = params->hw_led_mode;
  5407. int rc = 0;
  5408. u8 phy_idx;
  5409. u32 tmp;
  5410. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5411. struct bnx2x *bp = params->bp;
  5412. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5413. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5414. speed, hw_led_mode);
  5415. /* In case */
  5416. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5417. if (params->phy[phy_idx].set_link_led) {
  5418. params->phy[phy_idx].set_link_led(
  5419. &params->phy[phy_idx], params, mode);
  5420. }
  5421. }
  5422. switch (mode) {
  5423. case LED_MODE_FRONT_PANEL_OFF:
  5424. case LED_MODE_OFF:
  5425. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5426. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5427. SHARED_HW_CFG_LED_MAC1);
  5428. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5429. if (params->phy[EXT_PHY1].type ==
  5430. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5431. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5432. EMAC_LED_100MB_OVERRIDE |
  5433. EMAC_LED_10MB_OVERRIDE);
  5434. else
  5435. tmp |= EMAC_LED_OVERRIDE;
  5436. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5437. break;
  5438. case LED_MODE_OPER:
  5439. /* For all other phys, OPER mode is same as ON, so in case
  5440. * link is down, do nothing
  5441. */
  5442. if (!vars->link_up)
  5443. break;
  5444. case LED_MODE_ON:
  5445. if (((params->phy[EXT_PHY1].type ==
  5446. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5447. (params->phy[EXT_PHY1].type ==
  5448. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5449. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5450. /* This is a work-around for E2+8727 Configurations */
  5451. if (mode == LED_MODE_ON ||
  5452. speed == SPEED_10000){
  5453. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5454. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5455. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5456. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5457. (tmp | EMAC_LED_OVERRIDE));
  5458. /* Return here without enabling traffic
  5459. * LED blink and setting rate in ON mode.
  5460. * In oper mode, enabling LED blink
  5461. * and setting rate is needed.
  5462. */
  5463. if (mode == LED_MODE_ON)
  5464. return rc;
  5465. }
  5466. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5467. /* This is a work-around for HW issue found when link
  5468. * is up in CL73
  5469. */
  5470. if ((!CHIP_IS_E3(bp)) ||
  5471. (CHIP_IS_E3(bp) &&
  5472. mode == LED_MODE_ON))
  5473. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5474. if (CHIP_IS_E1x(bp) ||
  5475. CHIP_IS_E2(bp) ||
  5476. (mode == LED_MODE_ON))
  5477. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5478. else
  5479. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5480. hw_led_mode);
  5481. } else if ((params->phy[EXT_PHY1].type ==
  5482. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5483. (mode == LED_MODE_ON)) {
  5484. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5485. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5486. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5487. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5488. /* Break here; otherwise, it'll disable the
  5489. * intended override.
  5490. */
  5491. break;
  5492. } else
  5493. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5494. hw_led_mode);
  5495. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5496. /* Set blinking rate to ~15.9Hz */
  5497. if (CHIP_IS_E3(bp))
  5498. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5499. LED_BLINK_RATE_VAL_E3);
  5500. else
  5501. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5502. LED_BLINK_RATE_VAL_E1X_E2);
  5503. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5504. port*4, 1);
  5505. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5506. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5507. (tmp & (~EMAC_LED_OVERRIDE)));
  5508. if (CHIP_IS_E1(bp) &&
  5509. ((speed == SPEED_2500) ||
  5510. (speed == SPEED_1000) ||
  5511. (speed == SPEED_100) ||
  5512. (speed == SPEED_10))) {
  5513. /* For speeds less than 10G LED scheme is different */
  5514. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5515. + port*4, 1);
  5516. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5517. port*4, 0);
  5518. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5519. port*4, 1);
  5520. }
  5521. break;
  5522. default:
  5523. rc = -EINVAL;
  5524. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5525. mode);
  5526. break;
  5527. }
  5528. return rc;
  5529. }
  5530. /* This function comes to reflect the actual link state read DIRECTLY from the
  5531. * HW
  5532. */
  5533. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5534. u8 is_serdes)
  5535. {
  5536. struct bnx2x *bp = params->bp;
  5537. u16 gp_status = 0, phy_index = 0;
  5538. u8 ext_phy_link_up = 0, serdes_phy_type;
  5539. struct link_vars temp_vars;
  5540. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5541. if (CHIP_IS_E3(bp)) {
  5542. u16 link_up;
  5543. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5544. > SPEED_10000) {
  5545. /* Check 20G link */
  5546. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5547. 1, &link_up);
  5548. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5549. 1, &link_up);
  5550. link_up &= (1<<2);
  5551. } else {
  5552. /* Check 10G link and below*/
  5553. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5554. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5555. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5556. &gp_status);
  5557. gp_status = ((gp_status >> 8) & 0xf) |
  5558. ((gp_status >> 12) & 0xf);
  5559. link_up = gp_status & (1 << lane);
  5560. }
  5561. if (!link_up)
  5562. return -ESRCH;
  5563. } else {
  5564. CL22_RD_OVER_CL45(bp, int_phy,
  5565. MDIO_REG_BANK_GP_STATUS,
  5566. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5567. &gp_status);
  5568. /* Link is up only if both local phy and external phy are up */
  5569. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5570. return -ESRCH;
  5571. }
  5572. /* In XGXS loopback mode, do not check external PHY */
  5573. if (params->loopback_mode == LOOPBACK_XGXS)
  5574. return 0;
  5575. switch (params->num_phys) {
  5576. case 1:
  5577. /* No external PHY */
  5578. return 0;
  5579. case 2:
  5580. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5581. &params->phy[EXT_PHY1],
  5582. params, &temp_vars);
  5583. break;
  5584. case 3: /* Dual Media */
  5585. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5586. phy_index++) {
  5587. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5588. ETH_PHY_SFPP_10G_FIBER) ||
  5589. (params->phy[phy_index].media_type ==
  5590. ETH_PHY_SFP_1G_FIBER) ||
  5591. (params->phy[phy_index].media_type ==
  5592. ETH_PHY_XFP_FIBER) ||
  5593. (params->phy[phy_index].media_type ==
  5594. ETH_PHY_DA_TWINAX));
  5595. if (is_serdes != serdes_phy_type)
  5596. continue;
  5597. if (params->phy[phy_index].read_status) {
  5598. ext_phy_link_up |=
  5599. params->phy[phy_index].read_status(
  5600. &params->phy[phy_index],
  5601. params, &temp_vars);
  5602. }
  5603. }
  5604. break;
  5605. }
  5606. if (ext_phy_link_up)
  5607. return 0;
  5608. return -ESRCH;
  5609. }
  5610. static int bnx2x_link_initialize(struct link_params *params,
  5611. struct link_vars *vars)
  5612. {
  5613. int rc = 0;
  5614. u8 phy_index, non_ext_phy;
  5615. struct bnx2x *bp = params->bp;
  5616. /* In case of external phy existence, the line speed would be the
  5617. * line speed linked up by the external phy. In case it is direct
  5618. * only, then the line_speed during initialization will be
  5619. * equal to the req_line_speed
  5620. */
  5621. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5622. /* Initialize the internal phy in case this is a direct board
  5623. * (no external phys), or this board has external phy which requires
  5624. * to first.
  5625. */
  5626. if (!USES_WARPCORE(bp))
  5627. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5628. /* init ext phy and enable link state int */
  5629. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5630. (params->loopback_mode == LOOPBACK_XGXS));
  5631. if (non_ext_phy ||
  5632. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5633. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5634. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5635. if (vars->line_speed == SPEED_AUTO_NEG &&
  5636. (CHIP_IS_E1x(bp) ||
  5637. CHIP_IS_E2(bp)))
  5638. bnx2x_set_parallel_detection(phy, params);
  5639. if (params->phy[INT_PHY].config_init)
  5640. params->phy[INT_PHY].config_init(phy,
  5641. params,
  5642. vars);
  5643. }
  5644. /* Init external phy*/
  5645. if (non_ext_phy) {
  5646. if (params->phy[INT_PHY].supported &
  5647. SUPPORTED_FIBRE)
  5648. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5649. } else {
  5650. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5651. phy_index++) {
  5652. /* No need to initialize second phy in case of first
  5653. * phy only selection. In case of second phy, we do
  5654. * need to initialize the first phy, since they are
  5655. * connected.
  5656. */
  5657. if (params->phy[phy_index].supported &
  5658. SUPPORTED_FIBRE)
  5659. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5660. if (phy_index == EXT_PHY2 &&
  5661. (bnx2x_phy_selection(params) ==
  5662. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5663. DP(NETIF_MSG_LINK,
  5664. "Not initializing second phy\n");
  5665. continue;
  5666. }
  5667. params->phy[phy_index].config_init(
  5668. &params->phy[phy_index],
  5669. params, vars);
  5670. }
  5671. }
  5672. /* Reset the interrupt indication after phy was initialized */
  5673. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5674. params->port*4,
  5675. (NIG_STATUS_XGXS0_LINK10G |
  5676. NIG_STATUS_XGXS0_LINK_STATUS |
  5677. NIG_STATUS_SERDES0_LINK_STATUS |
  5678. NIG_MASK_MI_INT));
  5679. return rc;
  5680. }
  5681. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5682. struct link_params *params)
  5683. {
  5684. /* Reset the SerDes/XGXS */
  5685. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5686. (0x1ff << (params->port*16)));
  5687. }
  5688. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5689. struct link_params *params)
  5690. {
  5691. struct bnx2x *bp = params->bp;
  5692. u8 gpio_port;
  5693. /* HW reset */
  5694. if (CHIP_IS_E2(bp))
  5695. gpio_port = BP_PATH(bp);
  5696. else
  5697. gpio_port = params->port;
  5698. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5699. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5700. gpio_port);
  5701. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5702. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5703. gpio_port);
  5704. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5705. }
  5706. static int bnx2x_update_link_down(struct link_params *params,
  5707. struct link_vars *vars)
  5708. {
  5709. struct bnx2x *bp = params->bp;
  5710. u8 port = params->port;
  5711. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5712. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5713. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5714. /* Indicate no mac active */
  5715. vars->mac_type = MAC_TYPE_NONE;
  5716. /* Update shared memory */
  5717. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5718. LINK_STATUS_LINK_UP |
  5719. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5720. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5721. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5722. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5723. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5724. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5725. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5726. vars->line_speed = 0;
  5727. bnx2x_update_mng(params, vars->link_status);
  5728. /* Activate nig drain */
  5729. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5730. /* Disable emac */
  5731. if (!CHIP_IS_E3(bp))
  5732. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5733. usleep_range(10000, 20000);
  5734. /* Reset BigMac/Xmac */
  5735. if (CHIP_IS_E1x(bp) ||
  5736. CHIP_IS_E2(bp)) {
  5737. bnx2x_bmac_rx_disable(bp, params->port);
  5738. REG_WR(bp, GRCBASE_MISC +
  5739. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5740. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5741. }
  5742. if (CHIP_IS_E3(bp)) {
  5743. /* Prevent LPI Generation by chip */
  5744. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5745. 0);
  5746. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  5747. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5748. 0);
  5749. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5750. SHMEM_EEE_ACTIVE_BIT);
  5751. bnx2x_update_mng_eee(params, vars->eee_status);
  5752. bnx2x_xmac_disable(params);
  5753. bnx2x_umac_disable(params);
  5754. }
  5755. return 0;
  5756. }
  5757. static int bnx2x_update_link_up(struct link_params *params,
  5758. struct link_vars *vars,
  5759. u8 link_10g)
  5760. {
  5761. struct bnx2x *bp = params->bp;
  5762. u8 phy_idx, port = params->port;
  5763. int rc = 0;
  5764. vars->link_status |= (LINK_STATUS_LINK_UP |
  5765. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5766. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5767. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5768. vars->link_status |=
  5769. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5770. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5771. vars->link_status |=
  5772. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5773. if (USES_WARPCORE(bp)) {
  5774. if (link_10g) {
  5775. if (bnx2x_xmac_enable(params, vars, 0) ==
  5776. -ESRCH) {
  5777. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5778. vars->link_up = 0;
  5779. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5780. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5781. }
  5782. } else
  5783. bnx2x_umac_enable(params, vars, 0);
  5784. bnx2x_set_led(params, vars,
  5785. LED_MODE_OPER, vars->line_speed);
  5786. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5787. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5788. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5789. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5790. (params->port << 2), 1);
  5791. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5792. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5793. (params->port << 2), 0xfc20);
  5794. }
  5795. }
  5796. if ((CHIP_IS_E1x(bp) ||
  5797. CHIP_IS_E2(bp))) {
  5798. if (link_10g) {
  5799. if (bnx2x_bmac_enable(params, vars, 0) ==
  5800. -ESRCH) {
  5801. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5802. vars->link_up = 0;
  5803. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5804. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5805. }
  5806. bnx2x_set_led(params, vars,
  5807. LED_MODE_OPER, SPEED_10000);
  5808. } else {
  5809. rc = bnx2x_emac_program(params, vars);
  5810. bnx2x_emac_enable(params, vars, 0);
  5811. /* AN complete? */
  5812. if ((vars->link_status &
  5813. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5814. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5815. SINGLE_MEDIA_DIRECT(params))
  5816. bnx2x_set_gmii_tx_driver(params);
  5817. }
  5818. }
  5819. /* PBF - link up */
  5820. if (CHIP_IS_E1x(bp))
  5821. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5822. vars->line_speed);
  5823. /* Disable drain */
  5824. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5825. /* Update shared memory */
  5826. bnx2x_update_mng(params, vars->link_status);
  5827. bnx2x_update_mng_eee(params, vars->eee_status);
  5828. /* Check remote fault */
  5829. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5830. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5831. bnx2x_check_half_open_conn(params, vars, 0);
  5832. break;
  5833. }
  5834. }
  5835. msleep(20);
  5836. return rc;
  5837. }
  5838. /* The bnx2x_link_update function should be called upon link
  5839. * interrupt.
  5840. * Link is considered up as follows:
  5841. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5842. * to be up
  5843. * - SINGLE_MEDIA - The link between the 577xx and the external
  5844. * phy (XGXS) need to up as well as the external link of the
  5845. * phy (PHY_EXT1)
  5846. * - DUAL_MEDIA - The link between the 577xx and the first
  5847. * external phy needs to be up, and at least one of the 2
  5848. * external phy link must be up.
  5849. */
  5850. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5851. {
  5852. struct bnx2x *bp = params->bp;
  5853. struct link_vars phy_vars[MAX_PHYS];
  5854. u8 port = params->port;
  5855. u8 link_10g_plus, phy_index;
  5856. u8 ext_phy_link_up = 0, cur_link_up;
  5857. int rc = 0;
  5858. u8 is_mi_int = 0;
  5859. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5860. u8 active_external_phy = INT_PHY;
  5861. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5862. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5863. phy_index++) {
  5864. phy_vars[phy_index].flow_ctrl = 0;
  5865. phy_vars[phy_index].link_status = 0;
  5866. phy_vars[phy_index].line_speed = 0;
  5867. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5868. phy_vars[phy_index].phy_link_up = 0;
  5869. phy_vars[phy_index].link_up = 0;
  5870. phy_vars[phy_index].fault_detected = 0;
  5871. /* different consideration, since vars holds inner state */
  5872. phy_vars[phy_index].eee_status = vars->eee_status;
  5873. }
  5874. if (USES_WARPCORE(bp))
  5875. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5876. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5877. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5878. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5879. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5880. port*0x18) > 0);
  5881. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5882. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5883. is_mi_int,
  5884. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5885. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5886. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5887. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5888. /* Disable emac */
  5889. if (!CHIP_IS_E3(bp))
  5890. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5891. /* Step 1:
  5892. * Check external link change only for external phys, and apply
  5893. * priority selection between them in case the link on both phys
  5894. * is up. Note that instead of the common vars, a temporary
  5895. * vars argument is used since each phy may have different link/
  5896. * speed/duplex result
  5897. */
  5898. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5899. phy_index++) {
  5900. struct bnx2x_phy *phy = &params->phy[phy_index];
  5901. if (!phy->read_status)
  5902. continue;
  5903. /* Read link status and params of this ext phy */
  5904. cur_link_up = phy->read_status(phy, params,
  5905. &phy_vars[phy_index]);
  5906. if (cur_link_up) {
  5907. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5908. phy_index);
  5909. } else {
  5910. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5911. phy_index);
  5912. continue;
  5913. }
  5914. if (!ext_phy_link_up) {
  5915. ext_phy_link_up = 1;
  5916. active_external_phy = phy_index;
  5917. } else {
  5918. switch (bnx2x_phy_selection(params)) {
  5919. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5920. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5921. /* In this option, the first PHY makes sure to pass the
  5922. * traffic through itself only.
  5923. * Its not clear how to reset the link on the second phy
  5924. */
  5925. active_external_phy = EXT_PHY1;
  5926. break;
  5927. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5928. /* In this option, the first PHY makes sure to pass the
  5929. * traffic through the second PHY.
  5930. */
  5931. active_external_phy = EXT_PHY2;
  5932. break;
  5933. default:
  5934. /* Link indication on both PHYs with the following cases
  5935. * is invalid:
  5936. * - FIRST_PHY means that second phy wasn't initialized,
  5937. * hence its link is expected to be down
  5938. * - SECOND_PHY means that first phy should not be able
  5939. * to link up by itself (using configuration)
  5940. * - DEFAULT should be overriden during initialiazation
  5941. */
  5942. DP(NETIF_MSG_LINK, "Invalid link indication"
  5943. "mpc=0x%x. DISABLING LINK !!!\n",
  5944. params->multi_phy_config);
  5945. ext_phy_link_up = 0;
  5946. break;
  5947. }
  5948. }
  5949. }
  5950. prev_line_speed = vars->line_speed;
  5951. /* Step 2:
  5952. * Read the status of the internal phy. In case of
  5953. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5954. * otherwise this is the link between the 577xx and the first
  5955. * external phy
  5956. */
  5957. if (params->phy[INT_PHY].read_status)
  5958. params->phy[INT_PHY].read_status(
  5959. &params->phy[INT_PHY],
  5960. params, vars);
  5961. /* The INT_PHY flow control reside in the vars. This include the
  5962. * case where the speed or flow control are not set to AUTO.
  5963. * Otherwise, the active external phy flow control result is set
  5964. * to the vars. The ext_phy_line_speed is needed to check if the
  5965. * speed is different between the internal phy and external phy.
  5966. * This case may be result of intermediate link speed change.
  5967. */
  5968. if (active_external_phy > INT_PHY) {
  5969. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5970. /* Link speed is taken from the XGXS. AN and FC result from
  5971. * the external phy.
  5972. */
  5973. vars->link_status |= phy_vars[active_external_phy].link_status;
  5974. /* if active_external_phy is first PHY and link is up - disable
  5975. * disable TX on second external PHY
  5976. */
  5977. if (active_external_phy == EXT_PHY1) {
  5978. if (params->phy[EXT_PHY2].phy_specific_func) {
  5979. DP(NETIF_MSG_LINK,
  5980. "Disabling TX on EXT_PHY2\n");
  5981. params->phy[EXT_PHY2].phy_specific_func(
  5982. &params->phy[EXT_PHY2],
  5983. params, DISABLE_TX);
  5984. }
  5985. }
  5986. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5987. vars->duplex = phy_vars[active_external_phy].duplex;
  5988. if (params->phy[active_external_phy].supported &
  5989. SUPPORTED_FIBRE)
  5990. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5991. else
  5992. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5993. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5994. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5995. active_external_phy);
  5996. }
  5997. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5998. phy_index++) {
  5999. if (params->phy[phy_index].flags &
  6000. FLAGS_REARM_LATCH_SIGNAL) {
  6001. bnx2x_rearm_latch_signal(bp, port,
  6002. phy_index ==
  6003. active_external_phy);
  6004. break;
  6005. }
  6006. }
  6007. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6008. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6009. vars->link_status, ext_phy_line_speed);
  6010. /* Upon link speed change set the NIG into drain mode. Comes to
  6011. * deals with possible FIFO glitch due to clk change when speed
  6012. * is decreased without link down indicator
  6013. */
  6014. if (vars->phy_link_up) {
  6015. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6016. (ext_phy_line_speed != vars->line_speed)) {
  6017. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6018. " different than the external"
  6019. " link speed %d\n", vars->line_speed,
  6020. ext_phy_line_speed);
  6021. vars->phy_link_up = 0;
  6022. } else if (prev_line_speed != vars->line_speed) {
  6023. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6024. 0);
  6025. usleep_range(1000, 2000);
  6026. }
  6027. }
  6028. /* Anything 10 and over uses the bmac */
  6029. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6030. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6031. /* In case external phy link is up, and internal link is down
  6032. * (not initialized yet probably after link initialization, it
  6033. * needs to be initialized.
  6034. * Note that after link down-up as result of cable plug, the xgxs
  6035. * link would probably become up again without the need
  6036. * initialize it
  6037. */
  6038. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6039. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6040. " init_preceding = %d\n", ext_phy_link_up,
  6041. vars->phy_link_up,
  6042. params->phy[EXT_PHY1].flags &
  6043. FLAGS_INIT_XGXS_FIRST);
  6044. if (!(params->phy[EXT_PHY1].flags &
  6045. FLAGS_INIT_XGXS_FIRST)
  6046. && ext_phy_link_up && !vars->phy_link_up) {
  6047. vars->line_speed = ext_phy_line_speed;
  6048. if (vars->line_speed < SPEED_1000)
  6049. vars->phy_flags |= PHY_SGMII_FLAG;
  6050. else
  6051. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6052. if (params->phy[INT_PHY].config_init)
  6053. params->phy[INT_PHY].config_init(
  6054. &params->phy[INT_PHY], params,
  6055. vars);
  6056. }
  6057. }
  6058. /* Link is up only if both local phy and external phy (in case of
  6059. * non-direct board) are up and no fault detected on active PHY.
  6060. */
  6061. vars->link_up = (vars->phy_link_up &&
  6062. (ext_phy_link_up ||
  6063. SINGLE_MEDIA_DIRECT(params)) &&
  6064. (phy_vars[active_external_phy].fault_detected == 0));
  6065. /* Update the PFC configuration in case it was changed */
  6066. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6067. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6068. else
  6069. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6070. if (vars->link_up)
  6071. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6072. else
  6073. rc = bnx2x_update_link_down(params, vars);
  6074. /* Update MCP link status was changed */
  6075. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6076. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6077. return rc;
  6078. }
  6079. /*****************************************************************************/
  6080. /* External Phy section */
  6081. /*****************************************************************************/
  6082. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6083. {
  6084. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6085. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6086. usleep_range(1000, 2000);
  6087. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6088. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6089. }
  6090. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6091. u32 spirom_ver, u32 ver_addr)
  6092. {
  6093. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6094. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6095. if (ver_addr)
  6096. REG_WR(bp, ver_addr, spirom_ver);
  6097. }
  6098. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6099. struct bnx2x_phy *phy,
  6100. u8 port)
  6101. {
  6102. u16 fw_ver1, fw_ver2;
  6103. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6104. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6105. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6106. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6107. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6108. phy->ver_addr);
  6109. }
  6110. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6111. struct bnx2x_phy *phy,
  6112. struct link_vars *vars)
  6113. {
  6114. u16 val;
  6115. bnx2x_cl45_read(bp, phy,
  6116. MDIO_AN_DEVAD,
  6117. MDIO_AN_REG_STATUS, &val);
  6118. bnx2x_cl45_read(bp, phy,
  6119. MDIO_AN_DEVAD,
  6120. MDIO_AN_REG_STATUS, &val);
  6121. if (val & (1<<5))
  6122. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6123. if ((val & (1<<0)) == 0)
  6124. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6125. }
  6126. /******************************************************************/
  6127. /* common BCM8073/BCM8727 PHY SECTION */
  6128. /******************************************************************/
  6129. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6130. struct link_params *params,
  6131. struct link_vars *vars)
  6132. {
  6133. struct bnx2x *bp = params->bp;
  6134. if (phy->req_line_speed == SPEED_10 ||
  6135. phy->req_line_speed == SPEED_100) {
  6136. vars->flow_ctrl = phy->req_flow_ctrl;
  6137. return;
  6138. }
  6139. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6140. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6141. u16 pause_result;
  6142. u16 ld_pause; /* local */
  6143. u16 lp_pause; /* link partner */
  6144. bnx2x_cl45_read(bp, phy,
  6145. MDIO_AN_DEVAD,
  6146. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6147. bnx2x_cl45_read(bp, phy,
  6148. MDIO_AN_DEVAD,
  6149. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6150. pause_result = (ld_pause &
  6151. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6152. pause_result |= (lp_pause &
  6153. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6154. bnx2x_pause_resolve(vars, pause_result);
  6155. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6156. pause_result);
  6157. }
  6158. }
  6159. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6160. struct bnx2x_phy *phy,
  6161. u8 port)
  6162. {
  6163. u32 count = 0;
  6164. u16 fw_ver1, fw_msgout;
  6165. int rc = 0;
  6166. /* Boot port from external ROM */
  6167. /* EDC grst */
  6168. bnx2x_cl45_write(bp, phy,
  6169. MDIO_PMA_DEVAD,
  6170. MDIO_PMA_REG_GEN_CTRL,
  6171. 0x0001);
  6172. /* Ucode reboot and rst */
  6173. bnx2x_cl45_write(bp, phy,
  6174. MDIO_PMA_DEVAD,
  6175. MDIO_PMA_REG_GEN_CTRL,
  6176. 0x008c);
  6177. bnx2x_cl45_write(bp, phy,
  6178. MDIO_PMA_DEVAD,
  6179. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6180. /* Reset internal microprocessor */
  6181. bnx2x_cl45_write(bp, phy,
  6182. MDIO_PMA_DEVAD,
  6183. MDIO_PMA_REG_GEN_CTRL,
  6184. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6185. /* Release srst bit */
  6186. bnx2x_cl45_write(bp, phy,
  6187. MDIO_PMA_DEVAD,
  6188. MDIO_PMA_REG_GEN_CTRL,
  6189. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6190. /* Delay 100ms per the PHY specifications */
  6191. msleep(100);
  6192. /* 8073 sometimes taking longer to download */
  6193. do {
  6194. count++;
  6195. if (count > 300) {
  6196. DP(NETIF_MSG_LINK,
  6197. "bnx2x_8073_8727_external_rom_boot port %x:"
  6198. "Download failed. fw version = 0x%x\n",
  6199. port, fw_ver1);
  6200. rc = -EINVAL;
  6201. break;
  6202. }
  6203. bnx2x_cl45_read(bp, phy,
  6204. MDIO_PMA_DEVAD,
  6205. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6206. bnx2x_cl45_read(bp, phy,
  6207. MDIO_PMA_DEVAD,
  6208. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6209. usleep_range(1000, 2000);
  6210. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6211. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6212. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6213. /* Clear ser_boot_ctl bit */
  6214. bnx2x_cl45_write(bp, phy,
  6215. MDIO_PMA_DEVAD,
  6216. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6217. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6218. DP(NETIF_MSG_LINK,
  6219. "bnx2x_8073_8727_external_rom_boot port %x:"
  6220. "Download complete. fw version = 0x%x\n",
  6221. port, fw_ver1);
  6222. return rc;
  6223. }
  6224. /******************************************************************/
  6225. /* BCM8073 PHY SECTION */
  6226. /******************************************************************/
  6227. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6228. {
  6229. /* This is only required for 8073A1, version 102 only */
  6230. u16 val;
  6231. /* Read 8073 HW revision*/
  6232. bnx2x_cl45_read(bp, phy,
  6233. MDIO_PMA_DEVAD,
  6234. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6235. if (val != 1) {
  6236. /* No need to workaround in 8073 A1 */
  6237. return 0;
  6238. }
  6239. bnx2x_cl45_read(bp, phy,
  6240. MDIO_PMA_DEVAD,
  6241. MDIO_PMA_REG_ROM_VER2, &val);
  6242. /* SNR should be applied only for version 0x102 */
  6243. if (val != 0x102)
  6244. return 0;
  6245. return 1;
  6246. }
  6247. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6248. {
  6249. u16 val, cnt, cnt1 ;
  6250. bnx2x_cl45_read(bp, phy,
  6251. MDIO_PMA_DEVAD,
  6252. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6253. if (val > 0) {
  6254. /* No need to workaround in 8073 A1 */
  6255. return 0;
  6256. }
  6257. /* XAUI workaround in 8073 A0: */
  6258. /* After loading the boot ROM and restarting Autoneg, poll
  6259. * Dev1, Reg $C820:
  6260. */
  6261. for (cnt = 0; cnt < 1000; cnt++) {
  6262. bnx2x_cl45_read(bp, phy,
  6263. MDIO_PMA_DEVAD,
  6264. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6265. &val);
  6266. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6267. * system initialization (XAUI work-around not required, as
  6268. * these bits indicate 2.5G or 1G link up).
  6269. */
  6270. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6271. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6272. return 0;
  6273. } else if (!(val & (1<<15))) {
  6274. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6275. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6276. * MSB (bit15) goes to 1 (indicating that the XAUI
  6277. * workaround has completed), then continue on with
  6278. * system initialization.
  6279. */
  6280. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6281. bnx2x_cl45_read(bp, phy,
  6282. MDIO_PMA_DEVAD,
  6283. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6284. if (val & (1<<15)) {
  6285. DP(NETIF_MSG_LINK,
  6286. "XAUI workaround has completed\n");
  6287. return 0;
  6288. }
  6289. usleep_range(3000, 6000);
  6290. }
  6291. break;
  6292. }
  6293. usleep_range(3000, 6000);
  6294. }
  6295. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6296. return -EINVAL;
  6297. }
  6298. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6299. {
  6300. /* Force KR or KX */
  6301. bnx2x_cl45_write(bp, phy,
  6302. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6303. bnx2x_cl45_write(bp, phy,
  6304. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6305. bnx2x_cl45_write(bp, phy,
  6306. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6307. bnx2x_cl45_write(bp, phy,
  6308. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6309. }
  6310. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6311. struct bnx2x_phy *phy,
  6312. struct link_vars *vars)
  6313. {
  6314. u16 cl37_val;
  6315. struct bnx2x *bp = params->bp;
  6316. bnx2x_cl45_read(bp, phy,
  6317. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6318. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6319. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6320. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6321. if ((vars->ieee_fc &
  6322. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6323. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6324. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6325. }
  6326. if ((vars->ieee_fc &
  6327. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6328. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6329. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6330. }
  6331. if ((vars->ieee_fc &
  6332. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6333. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6334. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6335. }
  6336. DP(NETIF_MSG_LINK,
  6337. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6338. bnx2x_cl45_write(bp, phy,
  6339. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6340. msleep(500);
  6341. }
  6342. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6343. struct link_params *params,
  6344. struct link_vars *vars)
  6345. {
  6346. struct bnx2x *bp = params->bp;
  6347. u16 val = 0, tmp1;
  6348. u8 gpio_port;
  6349. DP(NETIF_MSG_LINK, "Init 8073\n");
  6350. if (CHIP_IS_E2(bp))
  6351. gpio_port = BP_PATH(bp);
  6352. else
  6353. gpio_port = params->port;
  6354. /* Restore normal power mode*/
  6355. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6356. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6357. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6358. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6359. /* Enable LASI */
  6360. bnx2x_cl45_write(bp, phy,
  6361. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6362. bnx2x_cl45_write(bp, phy,
  6363. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6364. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6365. bnx2x_cl45_read(bp, phy,
  6366. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6367. bnx2x_cl45_read(bp, phy,
  6368. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6369. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6370. /* Swap polarity if required - Must be done only in non-1G mode */
  6371. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6372. /* Configure the 8073 to swap _P and _N of the KR lines */
  6373. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6374. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6375. bnx2x_cl45_read(bp, phy,
  6376. MDIO_PMA_DEVAD,
  6377. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6378. bnx2x_cl45_write(bp, phy,
  6379. MDIO_PMA_DEVAD,
  6380. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6381. (val | (3<<9)));
  6382. }
  6383. /* Enable CL37 BAM */
  6384. if (REG_RD(bp, params->shmem_base +
  6385. offsetof(struct shmem_region, dev_info.
  6386. port_hw_config[params->port].default_cfg)) &
  6387. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6388. bnx2x_cl45_read(bp, phy,
  6389. MDIO_AN_DEVAD,
  6390. MDIO_AN_REG_8073_BAM, &val);
  6391. bnx2x_cl45_write(bp, phy,
  6392. MDIO_AN_DEVAD,
  6393. MDIO_AN_REG_8073_BAM, val | 1);
  6394. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6395. }
  6396. if (params->loopback_mode == LOOPBACK_EXT) {
  6397. bnx2x_807x_force_10G(bp, phy);
  6398. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6399. return 0;
  6400. } else {
  6401. bnx2x_cl45_write(bp, phy,
  6402. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6403. }
  6404. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6405. if (phy->req_line_speed == SPEED_10000) {
  6406. val = (1<<7);
  6407. } else if (phy->req_line_speed == SPEED_2500) {
  6408. val = (1<<5);
  6409. /* Note that 2.5G works only when used with 1G
  6410. * advertisement
  6411. */
  6412. } else
  6413. val = (1<<5);
  6414. } else {
  6415. val = 0;
  6416. if (phy->speed_cap_mask &
  6417. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6418. val |= (1<<7);
  6419. /* Note that 2.5G works only when used with 1G advertisement */
  6420. if (phy->speed_cap_mask &
  6421. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6422. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6423. val |= (1<<5);
  6424. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6425. }
  6426. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6427. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6428. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6429. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6430. (phy->req_line_speed == SPEED_2500)) {
  6431. u16 phy_ver;
  6432. /* Allow 2.5G for A1 and above */
  6433. bnx2x_cl45_read(bp, phy,
  6434. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6435. &phy_ver);
  6436. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6437. if (phy_ver > 0)
  6438. tmp1 |= 1;
  6439. else
  6440. tmp1 &= 0xfffe;
  6441. } else {
  6442. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6443. tmp1 &= 0xfffe;
  6444. }
  6445. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6446. /* Add support for CL37 (passive mode) II */
  6447. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6448. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6449. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6450. 0x20 : 0x40)));
  6451. /* Add support for CL37 (passive mode) III */
  6452. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6453. /* The SNR will improve about 2db by changing BW and FEE main
  6454. * tap. Rest commands are executed after link is up
  6455. * Change FFE main cursor to 5 in EDC register
  6456. */
  6457. if (bnx2x_8073_is_snr_needed(bp, phy))
  6458. bnx2x_cl45_write(bp, phy,
  6459. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6460. 0xFB0C);
  6461. /* Enable FEC (Forware Error Correction) Request in the AN */
  6462. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6463. tmp1 |= (1<<15);
  6464. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6465. bnx2x_ext_phy_set_pause(params, phy, vars);
  6466. /* Restart autoneg */
  6467. msleep(500);
  6468. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6469. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6470. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6471. return 0;
  6472. }
  6473. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6474. struct link_params *params,
  6475. struct link_vars *vars)
  6476. {
  6477. struct bnx2x *bp = params->bp;
  6478. u8 link_up = 0;
  6479. u16 val1, val2;
  6480. u16 link_status = 0;
  6481. u16 an1000_status = 0;
  6482. bnx2x_cl45_read(bp, phy,
  6483. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6484. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6485. /* Clear the interrupt LASI status register */
  6486. bnx2x_cl45_read(bp, phy,
  6487. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6488. bnx2x_cl45_read(bp, phy,
  6489. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6490. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6491. /* Clear MSG-OUT */
  6492. bnx2x_cl45_read(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6494. /* Check the LASI */
  6495. bnx2x_cl45_read(bp, phy,
  6496. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6497. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6498. /* Check the link status */
  6499. bnx2x_cl45_read(bp, phy,
  6500. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6501. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6502. bnx2x_cl45_read(bp, phy,
  6503. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6504. bnx2x_cl45_read(bp, phy,
  6505. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6506. link_up = ((val1 & 4) == 4);
  6507. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6508. if (link_up &&
  6509. ((phy->req_line_speed != SPEED_10000))) {
  6510. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6511. return 0;
  6512. }
  6513. bnx2x_cl45_read(bp, phy,
  6514. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6515. bnx2x_cl45_read(bp, phy,
  6516. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6517. /* Check the link status on 1.1.2 */
  6518. bnx2x_cl45_read(bp, phy,
  6519. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6520. bnx2x_cl45_read(bp, phy,
  6521. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6522. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6523. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6524. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6525. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6526. /* The SNR will improve about 2dbby changing the BW and FEE main
  6527. * tap. The 1st write to change FFE main tap is set before
  6528. * restart AN. Change PLL Bandwidth in EDC register
  6529. */
  6530. bnx2x_cl45_write(bp, phy,
  6531. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6532. 0x26BC);
  6533. /* Change CDR Bandwidth in EDC register */
  6534. bnx2x_cl45_write(bp, phy,
  6535. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6536. 0x0333);
  6537. }
  6538. bnx2x_cl45_read(bp, phy,
  6539. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6540. &link_status);
  6541. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6542. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6543. link_up = 1;
  6544. vars->line_speed = SPEED_10000;
  6545. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6546. params->port);
  6547. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6548. link_up = 1;
  6549. vars->line_speed = SPEED_2500;
  6550. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6551. params->port);
  6552. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6553. link_up = 1;
  6554. vars->line_speed = SPEED_1000;
  6555. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6556. params->port);
  6557. } else {
  6558. link_up = 0;
  6559. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6560. params->port);
  6561. }
  6562. if (link_up) {
  6563. /* Swap polarity if required */
  6564. if (params->lane_config &
  6565. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6566. /* Configure the 8073 to swap P and N of the KR lines */
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_XS_DEVAD,
  6569. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6570. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6571. * when it`s in 10G mode.
  6572. */
  6573. if (vars->line_speed == SPEED_1000) {
  6574. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6575. "the 8073\n");
  6576. val1 |= (1<<3);
  6577. } else
  6578. val1 &= ~(1<<3);
  6579. bnx2x_cl45_write(bp, phy,
  6580. MDIO_XS_DEVAD,
  6581. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6582. val1);
  6583. }
  6584. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6585. bnx2x_8073_resolve_fc(phy, params, vars);
  6586. vars->duplex = DUPLEX_FULL;
  6587. }
  6588. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6589. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6590. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6591. if (val1 & (1<<5))
  6592. vars->link_status |=
  6593. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6594. if (val1 & (1<<7))
  6595. vars->link_status |=
  6596. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6597. }
  6598. return link_up;
  6599. }
  6600. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6601. struct link_params *params)
  6602. {
  6603. struct bnx2x *bp = params->bp;
  6604. u8 gpio_port;
  6605. if (CHIP_IS_E2(bp))
  6606. gpio_port = BP_PATH(bp);
  6607. else
  6608. gpio_port = params->port;
  6609. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6610. gpio_port);
  6611. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6612. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6613. gpio_port);
  6614. }
  6615. /******************************************************************/
  6616. /* BCM8705 PHY SECTION */
  6617. /******************************************************************/
  6618. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6619. struct link_params *params,
  6620. struct link_vars *vars)
  6621. {
  6622. struct bnx2x *bp = params->bp;
  6623. DP(NETIF_MSG_LINK, "init 8705\n");
  6624. /* Restore normal power mode*/
  6625. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6626. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6627. /* HW reset */
  6628. bnx2x_ext_phy_hw_reset(bp, params->port);
  6629. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6630. bnx2x_wait_reset_complete(bp, phy, params);
  6631. bnx2x_cl45_write(bp, phy,
  6632. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6633. bnx2x_cl45_write(bp, phy,
  6634. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6635. bnx2x_cl45_write(bp, phy,
  6636. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6637. bnx2x_cl45_write(bp, phy,
  6638. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6639. /* BCM8705 doesn't have microcode, hence the 0 */
  6640. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6641. return 0;
  6642. }
  6643. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6644. struct link_params *params,
  6645. struct link_vars *vars)
  6646. {
  6647. u8 link_up = 0;
  6648. u16 val1, rx_sd;
  6649. struct bnx2x *bp = params->bp;
  6650. DP(NETIF_MSG_LINK, "read status 8705\n");
  6651. bnx2x_cl45_read(bp, phy,
  6652. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6653. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6654. bnx2x_cl45_read(bp, phy,
  6655. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6656. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6657. bnx2x_cl45_read(bp, phy,
  6658. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6659. bnx2x_cl45_read(bp, phy,
  6660. MDIO_PMA_DEVAD, 0xc809, &val1);
  6661. bnx2x_cl45_read(bp, phy,
  6662. MDIO_PMA_DEVAD, 0xc809, &val1);
  6663. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6664. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6665. if (link_up) {
  6666. vars->line_speed = SPEED_10000;
  6667. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6668. }
  6669. return link_up;
  6670. }
  6671. /******************************************************************/
  6672. /* SFP+ module Section */
  6673. /******************************************************************/
  6674. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6675. struct bnx2x_phy *phy,
  6676. u8 pmd_dis)
  6677. {
  6678. struct bnx2x *bp = params->bp;
  6679. /* Disable transmitter only for bootcodes which can enable it afterwards
  6680. * (for D3 link)
  6681. */
  6682. if (pmd_dis) {
  6683. if (params->feature_config_flags &
  6684. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6685. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6686. else {
  6687. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6688. return;
  6689. }
  6690. } else
  6691. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6692. bnx2x_cl45_write(bp, phy,
  6693. MDIO_PMA_DEVAD,
  6694. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6695. }
  6696. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6697. {
  6698. u8 gpio_port;
  6699. u32 swap_val, swap_override;
  6700. struct bnx2x *bp = params->bp;
  6701. if (CHIP_IS_E2(bp))
  6702. gpio_port = BP_PATH(bp);
  6703. else
  6704. gpio_port = params->port;
  6705. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6706. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6707. return gpio_port ^ (swap_val && swap_override);
  6708. }
  6709. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6710. struct bnx2x_phy *phy,
  6711. u8 tx_en)
  6712. {
  6713. u16 val;
  6714. u8 port = params->port;
  6715. struct bnx2x *bp = params->bp;
  6716. u32 tx_en_mode;
  6717. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6718. tx_en_mode = REG_RD(bp, params->shmem_base +
  6719. offsetof(struct shmem_region,
  6720. dev_info.port_hw_config[port].sfp_ctrl)) &
  6721. PORT_HW_CFG_TX_LASER_MASK;
  6722. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6723. "mode = %x\n", tx_en, port, tx_en_mode);
  6724. switch (tx_en_mode) {
  6725. case PORT_HW_CFG_TX_LASER_MDIO:
  6726. bnx2x_cl45_read(bp, phy,
  6727. MDIO_PMA_DEVAD,
  6728. MDIO_PMA_REG_PHY_IDENTIFIER,
  6729. &val);
  6730. if (tx_en)
  6731. val &= ~(1<<15);
  6732. else
  6733. val |= (1<<15);
  6734. bnx2x_cl45_write(bp, phy,
  6735. MDIO_PMA_DEVAD,
  6736. MDIO_PMA_REG_PHY_IDENTIFIER,
  6737. val);
  6738. break;
  6739. case PORT_HW_CFG_TX_LASER_GPIO0:
  6740. case PORT_HW_CFG_TX_LASER_GPIO1:
  6741. case PORT_HW_CFG_TX_LASER_GPIO2:
  6742. case PORT_HW_CFG_TX_LASER_GPIO3:
  6743. {
  6744. u16 gpio_pin;
  6745. u8 gpio_port, gpio_mode;
  6746. if (tx_en)
  6747. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6748. else
  6749. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6750. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6751. gpio_port = bnx2x_get_gpio_port(params);
  6752. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6753. break;
  6754. }
  6755. default:
  6756. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6757. break;
  6758. }
  6759. }
  6760. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6761. struct bnx2x_phy *phy,
  6762. u8 tx_en)
  6763. {
  6764. struct bnx2x *bp = params->bp;
  6765. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6766. if (CHIP_IS_E3(bp))
  6767. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6768. else
  6769. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6770. }
  6771. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6772. struct link_params *params,
  6773. u16 addr, u8 byte_cnt, u8 *o_buf)
  6774. {
  6775. struct bnx2x *bp = params->bp;
  6776. u16 val = 0;
  6777. u16 i;
  6778. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6779. DP(NETIF_MSG_LINK,
  6780. "Reading from eeprom is limited to 0xf\n");
  6781. return -EINVAL;
  6782. }
  6783. /* Set the read command byte count */
  6784. bnx2x_cl45_write(bp, phy,
  6785. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6786. (byte_cnt | 0xa000));
  6787. /* Set the read command address */
  6788. bnx2x_cl45_write(bp, phy,
  6789. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6790. addr);
  6791. /* Activate read command */
  6792. bnx2x_cl45_write(bp, phy,
  6793. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6794. 0x2c0f);
  6795. /* Wait up to 500us for command complete status */
  6796. for (i = 0; i < 100; i++) {
  6797. bnx2x_cl45_read(bp, phy,
  6798. MDIO_PMA_DEVAD,
  6799. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6800. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6801. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6802. break;
  6803. udelay(5);
  6804. }
  6805. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6806. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6807. DP(NETIF_MSG_LINK,
  6808. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6809. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6810. return -EINVAL;
  6811. }
  6812. /* Read the buffer */
  6813. for (i = 0; i < byte_cnt; i++) {
  6814. bnx2x_cl45_read(bp, phy,
  6815. MDIO_PMA_DEVAD,
  6816. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6817. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6818. }
  6819. for (i = 0; i < 100; i++) {
  6820. bnx2x_cl45_read(bp, phy,
  6821. MDIO_PMA_DEVAD,
  6822. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6823. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6824. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6825. return 0;
  6826. usleep_range(1000, 2000);
  6827. }
  6828. return -EINVAL;
  6829. }
  6830. static void bnx2x_warpcore_power_module(struct link_params *params,
  6831. struct bnx2x_phy *phy,
  6832. u8 power)
  6833. {
  6834. u32 pin_cfg;
  6835. struct bnx2x *bp = params->bp;
  6836. pin_cfg = (REG_RD(bp, params->shmem_base +
  6837. offsetof(struct shmem_region,
  6838. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6839. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6840. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6841. if (pin_cfg == PIN_CFG_NA)
  6842. return;
  6843. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6844. power, pin_cfg);
  6845. /* Low ==> corresponding SFP+ module is powered
  6846. * high ==> the SFP+ module is powered down
  6847. */
  6848. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6849. }
  6850. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6851. struct link_params *params,
  6852. u16 addr, u8 byte_cnt,
  6853. u8 *o_buf)
  6854. {
  6855. int rc = 0;
  6856. u8 i, j = 0, cnt = 0;
  6857. u32 data_array[4];
  6858. u16 addr32;
  6859. struct bnx2x *bp = params->bp;
  6860. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6861. DP(NETIF_MSG_LINK,
  6862. "Reading from eeprom is limited to 16 bytes\n");
  6863. return -EINVAL;
  6864. }
  6865. /* 4 byte aligned address */
  6866. addr32 = addr & (~0x3);
  6867. do {
  6868. if (cnt == I2C_WA_PWR_ITER) {
  6869. bnx2x_warpcore_power_module(params, phy, 0);
  6870. /* Note that 100us are not enough here */
  6871. usleep_range(1000,1000);
  6872. bnx2x_warpcore_power_module(params, phy, 1);
  6873. }
  6874. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6875. data_array);
  6876. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6877. if (rc == 0) {
  6878. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6879. o_buf[j] = *((u8 *)data_array + i);
  6880. j++;
  6881. }
  6882. }
  6883. return rc;
  6884. }
  6885. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6886. struct link_params *params,
  6887. u16 addr, u8 byte_cnt, u8 *o_buf)
  6888. {
  6889. struct bnx2x *bp = params->bp;
  6890. u16 val, i;
  6891. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6892. DP(NETIF_MSG_LINK,
  6893. "Reading from eeprom is limited to 0xf\n");
  6894. return -EINVAL;
  6895. }
  6896. /* Need to read from 1.8000 to clear it */
  6897. bnx2x_cl45_read(bp, phy,
  6898. MDIO_PMA_DEVAD,
  6899. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6900. &val);
  6901. /* Set the read command byte count */
  6902. bnx2x_cl45_write(bp, phy,
  6903. MDIO_PMA_DEVAD,
  6904. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6905. ((byte_cnt < 2) ? 2 : byte_cnt));
  6906. /* Set the read command address */
  6907. bnx2x_cl45_write(bp, phy,
  6908. MDIO_PMA_DEVAD,
  6909. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6910. addr);
  6911. /* Set the destination address */
  6912. bnx2x_cl45_write(bp, phy,
  6913. MDIO_PMA_DEVAD,
  6914. 0x8004,
  6915. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6916. /* Activate read command */
  6917. bnx2x_cl45_write(bp, phy,
  6918. MDIO_PMA_DEVAD,
  6919. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6920. 0x8002);
  6921. /* Wait appropriate time for two-wire command to finish before
  6922. * polling the status register
  6923. */
  6924. usleep_range(1000, 2000);
  6925. /* Wait up to 500us for command complete status */
  6926. for (i = 0; i < 100; i++) {
  6927. bnx2x_cl45_read(bp, phy,
  6928. MDIO_PMA_DEVAD,
  6929. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6930. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6931. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6932. break;
  6933. udelay(5);
  6934. }
  6935. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6936. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6937. DP(NETIF_MSG_LINK,
  6938. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6939. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6940. return -EFAULT;
  6941. }
  6942. /* Read the buffer */
  6943. for (i = 0; i < byte_cnt; i++) {
  6944. bnx2x_cl45_read(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6947. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6948. }
  6949. for (i = 0; i < 100; i++) {
  6950. bnx2x_cl45_read(bp, phy,
  6951. MDIO_PMA_DEVAD,
  6952. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6953. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6954. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6955. return 0;
  6956. usleep_range(1000, 2000);
  6957. }
  6958. return -EINVAL;
  6959. }
  6960. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6961. struct link_params *params, u16 addr,
  6962. u8 byte_cnt, u8 *o_buf)
  6963. {
  6964. int rc = -EOPNOTSUPP;
  6965. switch (phy->type) {
  6966. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6967. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6968. byte_cnt, o_buf);
  6969. break;
  6970. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6971. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6972. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6973. byte_cnt, o_buf);
  6974. break;
  6975. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6976. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6977. byte_cnt, o_buf);
  6978. break;
  6979. }
  6980. return rc;
  6981. }
  6982. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6983. struct link_params *params,
  6984. u16 *edc_mode)
  6985. {
  6986. struct bnx2x *bp = params->bp;
  6987. u32 sync_offset = 0, phy_idx, media_types;
  6988. u8 val[2], check_limiting_mode = 0;
  6989. *edc_mode = EDC_MODE_LIMITING;
  6990. phy->media_type = ETH_PHY_UNSPECIFIED;
  6991. /* First check for copper cable */
  6992. if (bnx2x_read_sfp_module_eeprom(phy,
  6993. params,
  6994. SFP_EEPROM_CON_TYPE_ADDR,
  6995. 2,
  6996. (u8 *)val) != 0) {
  6997. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6998. return -EINVAL;
  6999. }
  7000. switch (val[0]) {
  7001. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7002. {
  7003. u8 copper_module_type;
  7004. phy->media_type = ETH_PHY_DA_TWINAX;
  7005. /* Check if its active cable (includes SFP+ module)
  7006. * of passive cable
  7007. */
  7008. if (bnx2x_read_sfp_module_eeprom(phy,
  7009. params,
  7010. SFP_EEPROM_FC_TX_TECH_ADDR,
  7011. 1,
  7012. &copper_module_type) != 0) {
  7013. DP(NETIF_MSG_LINK,
  7014. "Failed to read copper-cable-type"
  7015. " from SFP+ EEPROM\n");
  7016. return -EINVAL;
  7017. }
  7018. if (copper_module_type &
  7019. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7020. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7021. check_limiting_mode = 1;
  7022. } else if (copper_module_type &
  7023. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7024. DP(NETIF_MSG_LINK,
  7025. "Passive Copper cable detected\n");
  7026. *edc_mode =
  7027. EDC_MODE_PASSIVE_DAC;
  7028. } else {
  7029. DP(NETIF_MSG_LINK,
  7030. "Unknown copper-cable-type 0x%x !!!\n",
  7031. copper_module_type);
  7032. return -EINVAL;
  7033. }
  7034. break;
  7035. }
  7036. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7037. check_limiting_mode = 1;
  7038. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7039. SFP_EEPROM_COMP_CODE_LR_MASK |
  7040. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7041. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7042. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7043. phy->req_line_speed = SPEED_1000;
  7044. } else {
  7045. int idx, cfg_idx = 0;
  7046. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7047. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7048. if (params->phy[idx].type == phy->type) {
  7049. cfg_idx = LINK_CONFIG_IDX(idx);
  7050. break;
  7051. }
  7052. }
  7053. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7054. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7055. }
  7056. break;
  7057. default:
  7058. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7059. val[0]);
  7060. return -EINVAL;
  7061. }
  7062. sync_offset = params->shmem_base +
  7063. offsetof(struct shmem_region,
  7064. dev_info.port_hw_config[params->port].media_type);
  7065. media_types = REG_RD(bp, sync_offset);
  7066. /* Update media type for non-PMF sync */
  7067. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7068. if (&(params->phy[phy_idx]) == phy) {
  7069. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7070. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7071. media_types |= ((phy->media_type &
  7072. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7073. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7074. break;
  7075. }
  7076. }
  7077. REG_WR(bp, sync_offset, media_types);
  7078. if (check_limiting_mode) {
  7079. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7080. if (bnx2x_read_sfp_module_eeprom(phy,
  7081. params,
  7082. SFP_EEPROM_OPTIONS_ADDR,
  7083. SFP_EEPROM_OPTIONS_SIZE,
  7084. options) != 0) {
  7085. DP(NETIF_MSG_LINK,
  7086. "Failed to read Option field from module EEPROM\n");
  7087. return -EINVAL;
  7088. }
  7089. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7090. *edc_mode = EDC_MODE_LINEAR;
  7091. else
  7092. *edc_mode = EDC_MODE_LIMITING;
  7093. }
  7094. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7095. return 0;
  7096. }
  7097. /* This function read the relevant field from the module (SFP+), and verify it
  7098. * is compliant with this board
  7099. */
  7100. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7101. struct link_params *params)
  7102. {
  7103. struct bnx2x *bp = params->bp;
  7104. u32 val, cmd;
  7105. u32 fw_resp, fw_cmd_param;
  7106. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7107. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7108. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7109. val = REG_RD(bp, params->shmem_base +
  7110. offsetof(struct shmem_region, dev_info.
  7111. port_feature_config[params->port].config));
  7112. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7113. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7114. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7115. return 0;
  7116. }
  7117. if (params->feature_config_flags &
  7118. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7119. /* Use specific phy request */
  7120. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7121. } else if (params->feature_config_flags &
  7122. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7123. /* Use first phy request only in case of non-dual media*/
  7124. if (DUAL_MEDIA(params)) {
  7125. DP(NETIF_MSG_LINK,
  7126. "FW does not support OPT MDL verification\n");
  7127. return -EINVAL;
  7128. }
  7129. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7130. } else {
  7131. /* No support in OPT MDL detection */
  7132. DP(NETIF_MSG_LINK,
  7133. "FW does not support OPT MDL verification\n");
  7134. return -EINVAL;
  7135. }
  7136. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7137. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7138. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7139. DP(NETIF_MSG_LINK, "Approved module\n");
  7140. return 0;
  7141. }
  7142. /* Format the warning message */
  7143. if (bnx2x_read_sfp_module_eeprom(phy,
  7144. params,
  7145. SFP_EEPROM_VENDOR_NAME_ADDR,
  7146. SFP_EEPROM_VENDOR_NAME_SIZE,
  7147. (u8 *)vendor_name))
  7148. vendor_name[0] = '\0';
  7149. else
  7150. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7151. if (bnx2x_read_sfp_module_eeprom(phy,
  7152. params,
  7153. SFP_EEPROM_PART_NO_ADDR,
  7154. SFP_EEPROM_PART_NO_SIZE,
  7155. (u8 *)vendor_pn))
  7156. vendor_pn[0] = '\0';
  7157. else
  7158. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7159. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7160. " Port %d from %s part number %s\n",
  7161. params->port, vendor_name, vendor_pn);
  7162. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7163. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7164. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7165. return -EINVAL;
  7166. }
  7167. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7168. struct link_params *params)
  7169. {
  7170. u8 val;
  7171. struct bnx2x *bp = params->bp;
  7172. u16 timeout;
  7173. /* Initialization time after hot-plug may take up to 300ms for
  7174. * some phys type ( e.g. JDSU )
  7175. */
  7176. for (timeout = 0; timeout < 60; timeout++) {
  7177. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7178. == 0) {
  7179. DP(NETIF_MSG_LINK,
  7180. "SFP+ module initialization took %d ms\n",
  7181. timeout * 5);
  7182. return 0;
  7183. }
  7184. usleep_range(5000, 10000);
  7185. }
  7186. return -EINVAL;
  7187. }
  7188. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7189. struct bnx2x_phy *phy,
  7190. u8 is_power_up) {
  7191. /* Make sure GPIOs are not using for LED mode */
  7192. u16 val;
  7193. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7194. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7195. * output
  7196. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7197. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7198. * where the 1st bit is the over-current(only input), and 2nd bit is
  7199. * for power( only output )
  7200. *
  7201. * In case of NOC feature is disabled and power is up, set GPIO control
  7202. * as input to enable listening of over-current indication
  7203. */
  7204. if (phy->flags & FLAGS_NOC)
  7205. return;
  7206. if (is_power_up)
  7207. val = (1<<4);
  7208. else
  7209. /* Set GPIO control to OUTPUT, and set the power bit
  7210. * to according to the is_power_up
  7211. */
  7212. val = (1<<1);
  7213. bnx2x_cl45_write(bp, phy,
  7214. MDIO_PMA_DEVAD,
  7215. MDIO_PMA_REG_8727_GPIO_CTRL,
  7216. val);
  7217. }
  7218. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7219. struct bnx2x_phy *phy,
  7220. u16 edc_mode)
  7221. {
  7222. u16 cur_limiting_mode;
  7223. bnx2x_cl45_read(bp, phy,
  7224. MDIO_PMA_DEVAD,
  7225. MDIO_PMA_REG_ROM_VER2,
  7226. &cur_limiting_mode);
  7227. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7228. cur_limiting_mode);
  7229. if (edc_mode == EDC_MODE_LIMITING) {
  7230. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7231. bnx2x_cl45_write(bp, phy,
  7232. MDIO_PMA_DEVAD,
  7233. MDIO_PMA_REG_ROM_VER2,
  7234. EDC_MODE_LIMITING);
  7235. } else { /* LRM mode ( default )*/
  7236. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7237. /* Changing to LRM mode takes quite few seconds. So do it only
  7238. * if current mode is limiting (default is LRM)
  7239. */
  7240. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7241. return 0;
  7242. bnx2x_cl45_write(bp, phy,
  7243. MDIO_PMA_DEVAD,
  7244. MDIO_PMA_REG_LRM_MODE,
  7245. 0);
  7246. bnx2x_cl45_write(bp, phy,
  7247. MDIO_PMA_DEVAD,
  7248. MDIO_PMA_REG_ROM_VER2,
  7249. 0x128);
  7250. bnx2x_cl45_write(bp, phy,
  7251. MDIO_PMA_DEVAD,
  7252. MDIO_PMA_REG_MISC_CTRL0,
  7253. 0x4008);
  7254. bnx2x_cl45_write(bp, phy,
  7255. MDIO_PMA_DEVAD,
  7256. MDIO_PMA_REG_LRM_MODE,
  7257. 0xaaaa);
  7258. }
  7259. return 0;
  7260. }
  7261. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7262. struct bnx2x_phy *phy,
  7263. u16 edc_mode)
  7264. {
  7265. u16 phy_identifier;
  7266. u16 rom_ver2_val;
  7267. bnx2x_cl45_read(bp, phy,
  7268. MDIO_PMA_DEVAD,
  7269. MDIO_PMA_REG_PHY_IDENTIFIER,
  7270. &phy_identifier);
  7271. bnx2x_cl45_write(bp, phy,
  7272. MDIO_PMA_DEVAD,
  7273. MDIO_PMA_REG_PHY_IDENTIFIER,
  7274. (phy_identifier & ~(1<<9)));
  7275. bnx2x_cl45_read(bp, phy,
  7276. MDIO_PMA_DEVAD,
  7277. MDIO_PMA_REG_ROM_VER2,
  7278. &rom_ver2_val);
  7279. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7280. bnx2x_cl45_write(bp, phy,
  7281. MDIO_PMA_DEVAD,
  7282. MDIO_PMA_REG_ROM_VER2,
  7283. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7284. bnx2x_cl45_write(bp, phy,
  7285. MDIO_PMA_DEVAD,
  7286. MDIO_PMA_REG_PHY_IDENTIFIER,
  7287. (phy_identifier | (1<<9)));
  7288. return 0;
  7289. }
  7290. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7291. struct link_params *params,
  7292. u32 action)
  7293. {
  7294. struct bnx2x *bp = params->bp;
  7295. switch (action) {
  7296. case DISABLE_TX:
  7297. bnx2x_sfp_set_transmitter(params, phy, 0);
  7298. break;
  7299. case ENABLE_TX:
  7300. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7301. bnx2x_sfp_set_transmitter(params, phy, 1);
  7302. break;
  7303. default:
  7304. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7305. action);
  7306. return;
  7307. }
  7308. }
  7309. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7310. u8 gpio_mode)
  7311. {
  7312. struct bnx2x *bp = params->bp;
  7313. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7314. offsetof(struct shmem_region,
  7315. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7316. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7317. switch (fault_led_gpio) {
  7318. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7319. return;
  7320. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7321. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7322. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7323. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7324. {
  7325. u8 gpio_port = bnx2x_get_gpio_port(params);
  7326. u16 gpio_pin = fault_led_gpio -
  7327. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7328. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7329. "pin %x port %x mode %x\n",
  7330. gpio_pin, gpio_port, gpio_mode);
  7331. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7332. }
  7333. break;
  7334. default:
  7335. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7336. fault_led_gpio);
  7337. }
  7338. }
  7339. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7340. u8 gpio_mode)
  7341. {
  7342. u32 pin_cfg;
  7343. u8 port = params->port;
  7344. struct bnx2x *bp = params->bp;
  7345. pin_cfg = (REG_RD(bp, params->shmem_base +
  7346. offsetof(struct shmem_region,
  7347. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7348. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7349. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7350. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7351. gpio_mode, pin_cfg);
  7352. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7353. }
  7354. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7355. u8 gpio_mode)
  7356. {
  7357. struct bnx2x *bp = params->bp;
  7358. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7359. if (CHIP_IS_E3(bp)) {
  7360. /* Low ==> if SFP+ module is supported otherwise
  7361. * High ==> if SFP+ module is not on the approved vendor list
  7362. */
  7363. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7364. } else
  7365. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7366. }
  7367. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7368. struct link_params *params)
  7369. {
  7370. struct bnx2x *bp = params->bp;
  7371. bnx2x_warpcore_power_module(params, phy, 0);
  7372. /* Put Warpcore in low power mode */
  7373. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7374. /* Put LCPLL in low power mode */
  7375. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7376. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7377. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7378. }
  7379. static void bnx2x_power_sfp_module(struct link_params *params,
  7380. struct bnx2x_phy *phy,
  7381. u8 power)
  7382. {
  7383. struct bnx2x *bp = params->bp;
  7384. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7385. switch (phy->type) {
  7386. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7387. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7388. bnx2x_8727_power_module(params->bp, phy, power);
  7389. break;
  7390. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7391. bnx2x_warpcore_power_module(params, phy, power);
  7392. break;
  7393. default:
  7394. break;
  7395. }
  7396. }
  7397. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7398. struct bnx2x_phy *phy,
  7399. u16 edc_mode)
  7400. {
  7401. u16 val = 0;
  7402. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7403. struct bnx2x *bp = params->bp;
  7404. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7405. /* This is a global register which controls all lanes */
  7406. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7407. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7408. val &= ~(0xf << (lane << 2));
  7409. switch (edc_mode) {
  7410. case EDC_MODE_LINEAR:
  7411. case EDC_MODE_LIMITING:
  7412. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7413. break;
  7414. case EDC_MODE_PASSIVE_DAC:
  7415. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7416. break;
  7417. default:
  7418. break;
  7419. }
  7420. val |= (mode << (lane << 2));
  7421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7422. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7423. /* A must read */
  7424. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7425. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7426. /* Restart microcode to re-read the new mode */
  7427. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7428. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7429. }
  7430. static void bnx2x_set_limiting_mode(struct link_params *params,
  7431. struct bnx2x_phy *phy,
  7432. u16 edc_mode)
  7433. {
  7434. switch (phy->type) {
  7435. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7436. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7437. break;
  7438. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7439. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7440. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7441. break;
  7442. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7443. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7444. break;
  7445. }
  7446. }
  7447. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7448. struct link_params *params)
  7449. {
  7450. struct bnx2x *bp = params->bp;
  7451. u16 edc_mode;
  7452. int rc = 0;
  7453. u32 val = REG_RD(bp, params->shmem_base +
  7454. offsetof(struct shmem_region, dev_info.
  7455. port_feature_config[params->port].config));
  7456. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7457. params->port);
  7458. /* Power up module */
  7459. bnx2x_power_sfp_module(params, phy, 1);
  7460. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7461. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7462. return -EINVAL;
  7463. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7464. /* Check SFP+ module compatibility */
  7465. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7466. rc = -EINVAL;
  7467. /* Turn on fault module-detected led */
  7468. bnx2x_set_sfp_module_fault_led(params,
  7469. MISC_REGISTERS_GPIO_HIGH);
  7470. /* Check if need to power down the SFP+ module */
  7471. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7472. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7473. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7474. bnx2x_power_sfp_module(params, phy, 0);
  7475. return rc;
  7476. }
  7477. } else {
  7478. /* Turn off fault module-detected led */
  7479. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7480. }
  7481. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7482. * is done automatically
  7483. */
  7484. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7485. /* Enable transmit for this module if the module is approved, or
  7486. * if unapproved modules should also enable the Tx laser
  7487. */
  7488. if (rc == 0 ||
  7489. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7490. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7491. bnx2x_sfp_set_transmitter(params, phy, 1);
  7492. else
  7493. bnx2x_sfp_set_transmitter(params, phy, 0);
  7494. return rc;
  7495. }
  7496. void bnx2x_handle_module_detect_int(struct link_params *params)
  7497. {
  7498. struct bnx2x *bp = params->bp;
  7499. struct bnx2x_phy *phy;
  7500. u32 gpio_val;
  7501. u8 gpio_num, gpio_port;
  7502. if (CHIP_IS_E3(bp))
  7503. phy = &params->phy[INT_PHY];
  7504. else
  7505. phy = &params->phy[EXT_PHY1];
  7506. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7507. params->port, &gpio_num, &gpio_port) ==
  7508. -EINVAL) {
  7509. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7510. return;
  7511. }
  7512. /* Set valid module led off */
  7513. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7514. /* Get current gpio val reflecting module plugged in / out*/
  7515. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7516. /* Call the handling function in case module is detected */
  7517. if (gpio_val == 0) {
  7518. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7519. bnx2x_set_aer_mmd(params, phy);
  7520. bnx2x_power_sfp_module(params, phy, 1);
  7521. bnx2x_set_gpio_int(bp, gpio_num,
  7522. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7523. gpio_port);
  7524. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7525. bnx2x_sfp_module_detection(phy, params);
  7526. if (CHIP_IS_E3(bp)) {
  7527. u16 rx_tx_in_reset;
  7528. /* In case WC is out of reset, reconfigure the
  7529. * link speed while taking into account 1G
  7530. * module limitation.
  7531. */
  7532. bnx2x_cl45_read(bp, phy,
  7533. MDIO_WC_DEVAD,
  7534. MDIO_WC_REG_DIGITAL5_MISC6,
  7535. &rx_tx_in_reset);
  7536. if (!rx_tx_in_reset) {
  7537. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7538. bnx2x_warpcore_config_sfi(phy, params);
  7539. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7540. }
  7541. }
  7542. } else {
  7543. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7544. }
  7545. } else {
  7546. u32 val = REG_RD(bp, params->shmem_base +
  7547. offsetof(struct shmem_region, dev_info.
  7548. port_feature_config[params->port].
  7549. config));
  7550. bnx2x_set_gpio_int(bp, gpio_num,
  7551. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7552. gpio_port);
  7553. /* Module was plugged out.
  7554. * Disable transmit for this module
  7555. */
  7556. phy->media_type = ETH_PHY_NOT_PRESENT;
  7557. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7558. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7559. CHIP_IS_E3(bp))
  7560. bnx2x_sfp_set_transmitter(params, phy, 0);
  7561. }
  7562. }
  7563. /******************************************************************/
  7564. /* Used by 8706 and 8727 */
  7565. /******************************************************************/
  7566. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7567. struct bnx2x_phy *phy,
  7568. u16 alarm_status_offset,
  7569. u16 alarm_ctrl_offset)
  7570. {
  7571. u16 alarm_status, val;
  7572. bnx2x_cl45_read(bp, phy,
  7573. MDIO_PMA_DEVAD, alarm_status_offset,
  7574. &alarm_status);
  7575. bnx2x_cl45_read(bp, phy,
  7576. MDIO_PMA_DEVAD, alarm_status_offset,
  7577. &alarm_status);
  7578. /* Mask or enable the fault event. */
  7579. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7580. if (alarm_status & (1<<0))
  7581. val &= ~(1<<0);
  7582. else
  7583. val |= (1<<0);
  7584. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7585. }
  7586. /******************************************************************/
  7587. /* common BCM8706/BCM8726 PHY SECTION */
  7588. /******************************************************************/
  7589. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7590. struct link_params *params,
  7591. struct link_vars *vars)
  7592. {
  7593. u8 link_up = 0;
  7594. u16 val1, val2, rx_sd, pcs_status;
  7595. struct bnx2x *bp = params->bp;
  7596. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7597. /* Clear RX Alarm*/
  7598. bnx2x_cl45_read(bp, phy,
  7599. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7600. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7601. MDIO_PMA_LASI_TXCTRL);
  7602. /* Clear LASI indication*/
  7603. bnx2x_cl45_read(bp, phy,
  7604. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7605. bnx2x_cl45_read(bp, phy,
  7606. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7607. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7608. bnx2x_cl45_read(bp, phy,
  7609. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7610. bnx2x_cl45_read(bp, phy,
  7611. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7612. bnx2x_cl45_read(bp, phy,
  7613. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7614. bnx2x_cl45_read(bp, phy,
  7615. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7616. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7617. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7618. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7619. * are set, or if the autoneg bit 1 is set
  7620. */
  7621. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7622. if (link_up) {
  7623. if (val2 & (1<<1))
  7624. vars->line_speed = SPEED_1000;
  7625. else
  7626. vars->line_speed = SPEED_10000;
  7627. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7628. vars->duplex = DUPLEX_FULL;
  7629. }
  7630. /* Capture 10G link fault. Read twice to clear stale value. */
  7631. if (vars->line_speed == SPEED_10000) {
  7632. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7633. MDIO_PMA_LASI_TXSTAT, &val1);
  7634. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7635. MDIO_PMA_LASI_TXSTAT, &val1);
  7636. if (val1 & (1<<0))
  7637. vars->fault_detected = 1;
  7638. }
  7639. return link_up;
  7640. }
  7641. /******************************************************************/
  7642. /* BCM8706 PHY SECTION */
  7643. /******************************************************************/
  7644. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7645. struct link_params *params,
  7646. struct link_vars *vars)
  7647. {
  7648. u32 tx_en_mode;
  7649. u16 cnt, val, tmp1;
  7650. struct bnx2x *bp = params->bp;
  7651. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7652. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7653. /* HW reset */
  7654. bnx2x_ext_phy_hw_reset(bp, params->port);
  7655. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7656. bnx2x_wait_reset_complete(bp, phy, params);
  7657. /* Wait until fw is loaded */
  7658. for (cnt = 0; cnt < 100; cnt++) {
  7659. bnx2x_cl45_read(bp, phy,
  7660. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7661. if (val)
  7662. break;
  7663. usleep_range(10000, 20000);
  7664. }
  7665. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7666. if ((params->feature_config_flags &
  7667. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7668. u8 i;
  7669. u16 reg;
  7670. for (i = 0; i < 4; i++) {
  7671. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7672. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7673. MDIO_XS_8706_REG_BANK_RX0);
  7674. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7675. /* Clear first 3 bits of the control */
  7676. val &= ~0x7;
  7677. /* Set control bits according to configuration */
  7678. val |= (phy->rx_preemphasis[i] & 0x7);
  7679. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7680. " reg 0x%x <-- val 0x%x\n", reg, val);
  7681. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7682. }
  7683. }
  7684. /* Force speed */
  7685. if (phy->req_line_speed == SPEED_10000) {
  7686. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7687. bnx2x_cl45_write(bp, phy,
  7688. MDIO_PMA_DEVAD,
  7689. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7690. bnx2x_cl45_write(bp, phy,
  7691. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7692. 0);
  7693. /* Arm LASI for link and Tx fault. */
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7696. } else {
  7697. /* Force 1Gbps using autoneg with 1G advertisement */
  7698. /* Allow CL37 through CL73 */
  7699. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7702. /* Enable Full-Duplex advertisement on CL37 */
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7705. /* Enable CL37 AN */
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7708. /* 1G support */
  7709. bnx2x_cl45_write(bp, phy,
  7710. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7711. /* Enable clause 73 AN */
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7716. 0x0400);
  7717. bnx2x_cl45_write(bp, phy,
  7718. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7719. 0x0004);
  7720. }
  7721. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7722. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7723. * power mode, if TX Laser is disabled
  7724. */
  7725. tx_en_mode = REG_RD(bp, params->shmem_base +
  7726. offsetof(struct shmem_region,
  7727. dev_info.port_hw_config[params->port].sfp_ctrl))
  7728. & PORT_HW_CFG_TX_LASER_MASK;
  7729. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7730. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7731. bnx2x_cl45_read(bp, phy,
  7732. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7733. tmp1 |= 0x1;
  7734. bnx2x_cl45_write(bp, phy,
  7735. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7736. }
  7737. return 0;
  7738. }
  7739. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7740. struct link_params *params,
  7741. struct link_vars *vars)
  7742. {
  7743. return bnx2x_8706_8726_read_status(phy, params, vars);
  7744. }
  7745. /******************************************************************/
  7746. /* BCM8726 PHY SECTION */
  7747. /******************************************************************/
  7748. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7749. struct link_params *params)
  7750. {
  7751. struct bnx2x *bp = params->bp;
  7752. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7753. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7754. }
  7755. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7756. struct link_params *params)
  7757. {
  7758. struct bnx2x *bp = params->bp;
  7759. /* Need to wait 100ms after reset */
  7760. msleep(100);
  7761. /* Micro controller re-boot */
  7762. bnx2x_cl45_write(bp, phy,
  7763. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7764. /* Set soft reset */
  7765. bnx2x_cl45_write(bp, phy,
  7766. MDIO_PMA_DEVAD,
  7767. MDIO_PMA_REG_GEN_CTRL,
  7768. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7769. bnx2x_cl45_write(bp, phy,
  7770. MDIO_PMA_DEVAD,
  7771. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7772. bnx2x_cl45_write(bp, phy,
  7773. MDIO_PMA_DEVAD,
  7774. MDIO_PMA_REG_GEN_CTRL,
  7775. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7776. /* Wait for 150ms for microcode load */
  7777. msleep(150);
  7778. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7779. bnx2x_cl45_write(bp, phy,
  7780. MDIO_PMA_DEVAD,
  7781. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7782. msleep(200);
  7783. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7784. }
  7785. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7786. struct link_params *params,
  7787. struct link_vars *vars)
  7788. {
  7789. struct bnx2x *bp = params->bp;
  7790. u16 val1;
  7791. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7792. if (link_up) {
  7793. bnx2x_cl45_read(bp, phy,
  7794. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7795. &val1);
  7796. if (val1 & (1<<15)) {
  7797. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7798. link_up = 0;
  7799. vars->line_speed = 0;
  7800. }
  7801. }
  7802. return link_up;
  7803. }
  7804. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7805. struct link_params *params,
  7806. struct link_vars *vars)
  7807. {
  7808. struct bnx2x *bp = params->bp;
  7809. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7810. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7811. bnx2x_wait_reset_complete(bp, phy, params);
  7812. bnx2x_8726_external_rom_boot(phy, params);
  7813. /* Need to call module detected on initialization since the module
  7814. * detection triggered by actual module insertion might occur before
  7815. * driver is loaded, and when driver is loaded, it reset all
  7816. * registers, including the transmitter
  7817. */
  7818. bnx2x_sfp_module_detection(phy, params);
  7819. if (phy->req_line_speed == SPEED_1000) {
  7820. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7821. bnx2x_cl45_write(bp, phy,
  7822. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7827. bnx2x_cl45_write(bp, phy,
  7828. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7829. 0x400);
  7830. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7831. (phy->speed_cap_mask &
  7832. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7833. ((phy->speed_cap_mask &
  7834. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7835. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7836. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7837. /* Set Flow control */
  7838. bnx2x_ext_phy_set_pause(params, phy, vars);
  7839. bnx2x_cl45_write(bp, phy,
  7840. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7841. bnx2x_cl45_write(bp, phy,
  7842. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7843. bnx2x_cl45_write(bp, phy,
  7844. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7845. bnx2x_cl45_write(bp, phy,
  7846. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7847. bnx2x_cl45_write(bp, phy,
  7848. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7849. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7850. * change
  7851. */
  7852. bnx2x_cl45_write(bp, phy,
  7853. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7854. bnx2x_cl45_write(bp, phy,
  7855. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7856. 0x400);
  7857. } else { /* Default 10G. Set only LASI control */
  7858. bnx2x_cl45_write(bp, phy,
  7859. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7860. }
  7861. /* Set TX PreEmphasis if needed */
  7862. if ((params->feature_config_flags &
  7863. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7864. DP(NETIF_MSG_LINK,
  7865. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7866. phy->tx_preemphasis[0],
  7867. phy->tx_preemphasis[1]);
  7868. bnx2x_cl45_write(bp, phy,
  7869. MDIO_PMA_DEVAD,
  7870. MDIO_PMA_REG_8726_TX_CTRL1,
  7871. phy->tx_preemphasis[0]);
  7872. bnx2x_cl45_write(bp, phy,
  7873. MDIO_PMA_DEVAD,
  7874. MDIO_PMA_REG_8726_TX_CTRL2,
  7875. phy->tx_preemphasis[1]);
  7876. }
  7877. return 0;
  7878. }
  7879. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7880. struct link_params *params)
  7881. {
  7882. struct bnx2x *bp = params->bp;
  7883. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7884. /* Set serial boot control for external load */
  7885. bnx2x_cl45_write(bp, phy,
  7886. MDIO_PMA_DEVAD,
  7887. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7888. }
  7889. /******************************************************************/
  7890. /* BCM8727 PHY SECTION */
  7891. /******************************************************************/
  7892. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7893. struct link_params *params, u8 mode)
  7894. {
  7895. struct bnx2x *bp = params->bp;
  7896. u16 led_mode_bitmask = 0;
  7897. u16 gpio_pins_bitmask = 0;
  7898. u16 val;
  7899. /* Only NOC flavor requires to set the LED specifically */
  7900. if (!(phy->flags & FLAGS_NOC))
  7901. return;
  7902. switch (mode) {
  7903. case LED_MODE_FRONT_PANEL_OFF:
  7904. case LED_MODE_OFF:
  7905. led_mode_bitmask = 0;
  7906. gpio_pins_bitmask = 0x03;
  7907. break;
  7908. case LED_MODE_ON:
  7909. led_mode_bitmask = 0;
  7910. gpio_pins_bitmask = 0x02;
  7911. break;
  7912. case LED_MODE_OPER:
  7913. led_mode_bitmask = 0x60;
  7914. gpio_pins_bitmask = 0x11;
  7915. break;
  7916. }
  7917. bnx2x_cl45_read(bp, phy,
  7918. MDIO_PMA_DEVAD,
  7919. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7920. &val);
  7921. val &= 0xff8f;
  7922. val |= led_mode_bitmask;
  7923. bnx2x_cl45_write(bp, phy,
  7924. MDIO_PMA_DEVAD,
  7925. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7926. val);
  7927. bnx2x_cl45_read(bp, phy,
  7928. MDIO_PMA_DEVAD,
  7929. MDIO_PMA_REG_8727_GPIO_CTRL,
  7930. &val);
  7931. val &= 0xffe0;
  7932. val |= gpio_pins_bitmask;
  7933. bnx2x_cl45_write(bp, phy,
  7934. MDIO_PMA_DEVAD,
  7935. MDIO_PMA_REG_8727_GPIO_CTRL,
  7936. val);
  7937. }
  7938. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7939. struct link_params *params) {
  7940. u32 swap_val, swap_override;
  7941. u8 port;
  7942. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7943. * to cancel the swap done in set_gpio()
  7944. */
  7945. struct bnx2x *bp = params->bp;
  7946. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7947. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7948. port = (swap_val && swap_override) ^ 1;
  7949. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7950. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7951. }
  7952. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7953. struct link_params *params)
  7954. {
  7955. struct bnx2x *bp = params->bp;
  7956. u16 tmp1, val;
  7957. /* Set option 1G speed */
  7958. if ((phy->req_line_speed == SPEED_1000) ||
  7959. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7960. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7963. bnx2x_cl45_write(bp, phy,
  7964. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7965. bnx2x_cl45_read(bp, phy,
  7966. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7967. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7968. /* Power down the XAUI until link is up in case of dual-media
  7969. * and 1G
  7970. */
  7971. if (DUAL_MEDIA(params)) {
  7972. bnx2x_cl45_read(bp, phy,
  7973. MDIO_PMA_DEVAD,
  7974. MDIO_PMA_REG_8727_PCS_GP, &val);
  7975. val |= (3<<10);
  7976. bnx2x_cl45_write(bp, phy,
  7977. MDIO_PMA_DEVAD,
  7978. MDIO_PMA_REG_8727_PCS_GP, val);
  7979. }
  7980. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7981. ((phy->speed_cap_mask &
  7982. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7983. ((phy->speed_cap_mask &
  7984. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7985. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7986. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7991. } else {
  7992. /* Since the 8727 has only single reset pin, need to set the 10G
  7993. * registers although it is default
  7994. */
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7997. 0x0020);
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8000. bnx2x_cl45_write(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8004. 0x0008);
  8005. }
  8006. }
  8007. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8008. struct link_params *params,
  8009. struct link_vars *vars)
  8010. {
  8011. u32 tx_en_mode;
  8012. u16 tmp1, val, mod_abs, tmp2;
  8013. u16 rx_alarm_ctrl_val;
  8014. u16 lasi_ctrl_val;
  8015. struct bnx2x *bp = params->bp;
  8016. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8017. bnx2x_wait_reset_complete(bp, phy, params);
  8018. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  8019. /* Should be 0x6 to enable XS on Tx side. */
  8020. lasi_ctrl_val = 0x0006;
  8021. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8022. /* Enable LASI */
  8023. bnx2x_cl45_write(bp, phy,
  8024. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8025. rx_alarm_ctrl_val);
  8026. bnx2x_cl45_write(bp, phy,
  8027. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  8028. 0);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  8031. /* Initially configure MOD_ABS to interrupt when module is
  8032. * presence( bit 8)
  8033. */
  8034. bnx2x_cl45_read(bp, phy,
  8035. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8036. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8037. * When the EDC is off it locks onto a reference clock and avoids
  8038. * becoming 'lost'
  8039. */
  8040. mod_abs &= ~(1<<8);
  8041. if (!(phy->flags & FLAGS_NOC))
  8042. mod_abs &= ~(1<<9);
  8043. bnx2x_cl45_write(bp, phy,
  8044. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8045. /* Enable/Disable PHY transmitter output */
  8046. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8047. /* Make MOD_ABS give interrupt on change */
  8048. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8049. &val);
  8050. val |= (1<<12);
  8051. if (phy->flags & FLAGS_NOC)
  8052. val |= (3<<5);
  8053. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  8054. * status which reflect SFP+ module over-current
  8055. */
  8056. if (!(phy->flags & FLAGS_NOC))
  8057. val &= 0xff8f; /* Reset bits 4-6 */
  8058. bnx2x_cl45_write(bp, phy,
  8059. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  8060. bnx2x_8727_power_module(bp, phy, 1);
  8061. bnx2x_cl45_read(bp, phy,
  8062. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8063. bnx2x_cl45_read(bp, phy,
  8064. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8065. bnx2x_8727_config_speed(phy, params);
  8066. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8067. * to 100Khz since some DACs(direct attached cables) do
  8068. * not work at 400Khz.
  8069. */
  8070. bnx2x_cl45_write(bp, phy,
  8071. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8072. 0xa001);
  8073. /* Set TX PreEmphasis if needed */
  8074. if ((params->feature_config_flags &
  8075. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8076. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8077. phy->tx_preemphasis[0],
  8078. phy->tx_preemphasis[1]);
  8079. bnx2x_cl45_write(bp, phy,
  8080. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8081. phy->tx_preemphasis[0]);
  8082. bnx2x_cl45_write(bp, phy,
  8083. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8084. phy->tx_preemphasis[1]);
  8085. }
  8086. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8087. * power mode, if TX Laser is disabled
  8088. */
  8089. tx_en_mode = REG_RD(bp, params->shmem_base +
  8090. offsetof(struct shmem_region,
  8091. dev_info.port_hw_config[params->port].sfp_ctrl))
  8092. & PORT_HW_CFG_TX_LASER_MASK;
  8093. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8094. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8095. bnx2x_cl45_read(bp, phy,
  8096. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8097. tmp2 |= 0x1000;
  8098. tmp2 &= 0xFFEF;
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8101. bnx2x_cl45_read(bp, phy,
  8102. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8103. &tmp2);
  8104. bnx2x_cl45_write(bp, phy,
  8105. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8106. (tmp2 & 0x7fff));
  8107. }
  8108. return 0;
  8109. }
  8110. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8111. struct link_params *params)
  8112. {
  8113. struct bnx2x *bp = params->bp;
  8114. u16 mod_abs, rx_alarm_status;
  8115. u32 val = REG_RD(bp, params->shmem_base +
  8116. offsetof(struct shmem_region, dev_info.
  8117. port_feature_config[params->port].
  8118. config));
  8119. bnx2x_cl45_read(bp, phy,
  8120. MDIO_PMA_DEVAD,
  8121. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8122. if (mod_abs & (1<<8)) {
  8123. /* Module is absent */
  8124. DP(NETIF_MSG_LINK,
  8125. "MOD_ABS indication show module is absent\n");
  8126. phy->media_type = ETH_PHY_NOT_PRESENT;
  8127. /* 1. Set mod_abs to detect next module
  8128. * presence event
  8129. * 2. Set EDC off by setting OPTXLOS signal input to low
  8130. * (bit 9).
  8131. * When the EDC is off it locks onto a reference clock and
  8132. * avoids becoming 'lost'.
  8133. */
  8134. mod_abs &= ~(1<<8);
  8135. if (!(phy->flags & FLAGS_NOC))
  8136. mod_abs &= ~(1<<9);
  8137. bnx2x_cl45_write(bp, phy,
  8138. MDIO_PMA_DEVAD,
  8139. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8140. /* Clear RX alarm since it stays up as long as
  8141. * the mod_abs wasn't changed
  8142. */
  8143. bnx2x_cl45_read(bp, phy,
  8144. MDIO_PMA_DEVAD,
  8145. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8146. } else {
  8147. /* Module is present */
  8148. DP(NETIF_MSG_LINK,
  8149. "MOD_ABS indication show module is present\n");
  8150. /* First disable transmitter, and if the module is ok, the
  8151. * module_detection will enable it
  8152. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8153. * 2. Restore the default polarity of the OPRXLOS signal and
  8154. * this signal will then correctly indicate the presence or
  8155. * absence of the Rx signal. (bit 9)
  8156. */
  8157. mod_abs |= (1<<8);
  8158. if (!(phy->flags & FLAGS_NOC))
  8159. mod_abs |= (1<<9);
  8160. bnx2x_cl45_write(bp, phy,
  8161. MDIO_PMA_DEVAD,
  8162. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8163. /* Clear RX alarm since it stays up as long as the mod_abs
  8164. * wasn't changed. This is need to be done before calling the
  8165. * module detection, otherwise it will clear* the link update
  8166. * alarm
  8167. */
  8168. bnx2x_cl45_read(bp, phy,
  8169. MDIO_PMA_DEVAD,
  8170. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8171. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8172. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8173. bnx2x_sfp_set_transmitter(params, phy, 0);
  8174. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8175. bnx2x_sfp_module_detection(phy, params);
  8176. else
  8177. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8178. /* Reconfigure link speed based on module type limitations */
  8179. bnx2x_8727_config_speed(phy, params);
  8180. }
  8181. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8182. rx_alarm_status);
  8183. /* No need to check link status in case of module plugged in/out */
  8184. }
  8185. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8186. struct link_params *params,
  8187. struct link_vars *vars)
  8188. {
  8189. struct bnx2x *bp = params->bp;
  8190. u8 link_up = 0, oc_port = params->port;
  8191. u16 link_status = 0;
  8192. u16 rx_alarm_status, lasi_ctrl, val1;
  8193. /* If PHY is not initialized, do not check link status */
  8194. bnx2x_cl45_read(bp, phy,
  8195. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8196. &lasi_ctrl);
  8197. if (!lasi_ctrl)
  8198. return 0;
  8199. /* Check the LASI on Rx */
  8200. bnx2x_cl45_read(bp, phy,
  8201. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8202. &rx_alarm_status);
  8203. vars->line_speed = 0;
  8204. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8205. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8206. MDIO_PMA_LASI_TXCTRL);
  8207. bnx2x_cl45_read(bp, phy,
  8208. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8209. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8210. /* Clear MSG-OUT */
  8211. bnx2x_cl45_read(bp, phy,
  8212. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8213. /* If a module is present and there is need to check
  8214. * for over current
  8215. */
  8216. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8217. /* Check over-current using 8727 GPIO0 input*/
  8218. bnx2x_cl45_read(bp, phy,
  8219. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8220. &val1);
  8221. if ((val1 & (1<<8)) == 0) {
  8222. if (!CHIP_IS_E1x(bp))
  8223. oc_port = BP_PATH(bp) + (params->port << 1);
  8224. DP(NETIF_MSG_LINK,
  8225. "8727 Power fault has been detected on port %d\n",
  8226. oc_port);
  8227. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8228. "been detected and the power to "
  8229. "that SFP+ module has been removed "
  8230. "to prevent failure of the card. "
  8231. "Please remove the SFP+ module and "
  8232. "restart the system to clear this "
  8233. "error.\n",
  8234. oc_port);
  8235. /* Disable all RX_ALARMs except for mod_abs */
  8236. bnx2x_cl45_write(bp, phy,
  8237. MDIO_PMA_DEVAD,
  8238. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8239. bnx2x_cl45_read(bp, phy,
  8240. MDIO_PMA_DEVAD,
  8241. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8242. /* Wait for module_absent_event */
  8243. val1 |= (1<<8);
  8244. bnx2x_cl45_write(bp, phy,
  8245. MDIO_PMA_DEVAD,
  8246. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8247. /* Clear RX alarm */
  8248. bnx2x_cl45_read(bp, phy,
  8249. MDIO_PMA_DEVAD,
  8250. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8251. return 0;
  8252. }
  8253. } /* Over current check */
  8254. /* When module absent bit is set, check module */
  8255. if (rx_alarm_status & (1<<5)) {
  8256. bnx2x_8727_handle_mod_abs(phy, params);
  8257. /* Enable all mod_abs and link detection bits */
  8258. bnx2x_cl45_write(bp, phy,
  8259. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8260. ((1<<5) | (1<<2)));
  8261. }
  8262. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8263. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8264. bnx2x_sfp_set_transmitter(params, phy, 1);
  8265. } else {
  8266. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8267. return 0;
  8268. }
  8269. bnx2x_cl45_read(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8272. /* Bits 0..2 --> speed detected,
  8273. * Bits 13..15--> link is down
  8274. */
  8275. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8276. link_up = 1;
  8277. vars->line_speed = SPEED_10000;
  8278. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8279. params->port);
  8280. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8281. link_up = 1;
  8282. vars->line_speed = SPEED_1000;
  8283. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8284. params->port);
  8285. } else {
  8286. link_up = 0;
  8287. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8288. params->port);
  8289. }
  8290. /* Capture 10G link fault. */
  8291. if (vars->line_speed == SPEED_10000) {
  8292. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8293. MDIO_PMA_LASI_TXSTAT, &val1);
  8294. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8295. MDIO_PMA_LASI_TXSTAT, &val1);
  8296. if (val1 & (1<<0)) {
  8297. vars->fault_detected = 1;
  8298. }
  8299. }
  8300. if (link_up) {
  8301. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8302. vars->duplex = DUPLEX_FULL;
  8303. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8304. }
  8305. if ((DUAL_MEDIA(params)) &&
  8306. (phy->req_line_speed == SPEED_1000)) {
  8307. bnx2x_cl45_read(bp, phy,
  8308. MDIO_PMA_DEVAD,
  8309. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8310. /* In case of dual-media board and 1G, power up the XAUI side,
  8311. * otherwise power it down. For 10G it is done automatically
  8312. */
  8313. if (link_up)
  8314. val1 &= ~(3<<10);
  8315. else
  8316. val1 |= (3<<10);
  8317. bnx2x_cl45_write(bp, phy,
  8318. MDIO_PMA_DEVAD,
  8319. MDIO_PMA_REG_8727_PCS_GP, val1);
  8320. }
  8321. return link_up;
  8322. }
  8323. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8324. struct link_params *params)
  8325. {
  8326. struct bnx2x *bp = params->bp;
  8327. /* Enable/Disable PHY transmitter output */
  8328. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8329. /* Disable Transmitter */
  8330. bnx2x_sfp_set_transmitter(params, phy, 0);
  8331. /* Clear LASI */
  8332. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8333. }
  8334. /******************************************************************/
  8335. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8336. /******************************************************************/
  8337. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8338. struct bnx2x *bp,
  8339. u8 port)
  8340. {
  8341. u16 val, fw_ver1, fw_ver2, cnt;
  8342. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8343. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8344. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8345. phy->ver_addr);
  8346. } else {
  8347. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8348. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8349. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8350. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8351. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8352. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8353. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8354. for (cnt = 0; cnt < 100; cnt++) {
  8355. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8356. if (val & 1)
  8357. break;
  8358. udelay(5);
  8359. }
  8360. if (cnt == 100) {
  8361. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8362. "phy fw version(1)\n");
  8363. bnx2x_save_spirom_version(bp, port, 0,
  8364. phy->ver_addr);
  8365. return;
  8366. }
  8367. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8368. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8369. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8370. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8371. for (cnt = 0; cnt < 100; cnt++) {
  8372. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8373. if (val & 1)
  8374. break;
  8375. udelay(5);
  8376. }
  8377. if (cnt == 100) {
  8378. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8379. "version(2)\n");
  8380. bnx2x_save_spirom_version(bp, port, 0,
  8381. phy->ver_addr);
  8382. return;
  8383. }
  8384. /* lower 16 bits of the register SPI_FW_STATUS */
  8385. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8386. /* upper 16 bits of register SPI_FW_STATUS */
  8387. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8388. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8389. phy->ver_addr);
  8390. }
  8391. }
  8392. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8393. struct bnx2x_phy *phy)
  8394. {
  8395. u16 val, offset;
  8396. /* PHYC_CTL_LED_CTL */
  8397. bnx2x_cl45_read(bp, phy,
  8398. MDIO_PMA_DEVAD,
  8399. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8400. val &= 0xFE00;
  8401. val |= 0x0092;
  8402. bnx2x_cl45_write(bp, phy,
  8403. MDIO_PMA_DEVAD,
  8404. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8405. bnx2x_cl45_write(bp, phy,
  8406. MDIO_PMA_DEVAD,
  8407. MDIO_PMA_REG_8481_LED1_MASK,
  8408. 0x80);
  8409. bnx2x_cl45_write(bp, phy,
  8410. MDIO_PMA_DEVAD,
  8411. MDIO_PMA_REG_8481_LED2_MASK,
  8412. 0x18);
  8413. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8414. bnx2x_cl45_write(bp, phy,
  8415. MDIO_PMA_DEVAD,
  8416. MDIO_PMA_REG_8481_LED3_MASK,
  8417. 0x0006);
  8418. /* Select the closest activity blink rate to that in 10/100/1000 */
  8419. bnx2x_cl45_write(bp, phy,
  8420. MDIO_PMA_DEVAD,
  8421. MDIO_PMA_REG_8481_LED3_BLINK,
  8422. 0);
  8423. /* Configure the blink rate to ~15.9 Hz */
  8424. bnx2x_cl45_write(bp, phy,
  8425. MDIO_PMA_DEVAD,
  8426. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8427. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8428. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8429. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8430. else
  8431. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8432. bnx2x_cl45_read(bp, phy,
  8433. MDIO_PMA_DEVAD, offset, &val);
  8434. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8435. bnx2x_cl45_write(bp, phy,
  8436. MDIO_PMA_DEVAD, offset, val);
  8437. /* 'Interrupt Mask' */
  8438. bnx2x_cl45_write(bp, phy,
  8439. MDIO_AN_DEVAD,
  8440. 0xFFFB, 0xFFFD);
  8441. }
  8442. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8443. struct link_params *params,
  8444. struct link_vars *vars)
  8445. {
  8446. struct bnx2x *bp = params->bp;
  8447. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8448. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8449. /* Save spirom version */
  8450. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8451. }
  8452. /* This phy uses the NIG latch mechanism since link indication
  8453. * arrives through its LED4 and not via its LASI signal, so we
  8454. * get steady signal instead of clear on read
  8455. */
  8456. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8457. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8458. bnx2x_cl45_write(bp, phy,
  8459. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8460. bnx2x_848xx_set_led(bp, phy);
  8461. /* set 1000 speed advertisement */
  8462. bnx2x_cl45_read(bp, phy,
  8463. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8464. &an_1000_val);
  8465. bnx2x_ext_phy_set_pause(params, phy, vars);
  8466. bnx2x_cl45_read(bp, phy,
  8467. MDIO_AN_DEVAD,
  8468. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8469. &an_10_100_val);
  8470. bnx2x_cl45_read(bp, phy,
  8471. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8472. &autoneg_val);
  8473. /* Disable forced speed */
  8474. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8475. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8476. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8477. (phy->speed_cap_mask &
  8478. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8479. (phy->req_line_speed == SPEED_1000)) {
  8480. an_1000_val |= (1<<8);
  8481. autoneg_val |= (1<<9 | 1<<12);
  8482. if (phy->req_duplex == DUPLEX_FULL)
  8483. an_1000_val |= (1<<9);
  8484. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8485. } else
  8486. an_1000_val &= ~((1<<8) | (1<<9));
  8487. bnx2x_cl45_write(bp, phy,
  8488. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8489. an_1000_val);
  8490. /* set 100 speed advertisement */
  8491. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8492. (phy->speed_cap_mask &
  8493. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8494. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8495. an_10_100_val |= (1<<7);
  8496. /* Enable autoneg and restart autoneg for legacy speeds */
  8497. autoneg_val |= (1<<9 | 1<<12);
  8498. if (phy->req_duplex == DUPLEX_FULL)
  8499. an_10_100_val |= (1<<8);
  8500. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8501. }
  8502. /* set 10 speed advertisement */
  8503. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8504. (phy->speed_cap_mask &
  8505. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8506. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8507. (phy->supported &
  8508. (SUPPORTED_10baseT_Half |
  8509. SUPPORTED_10baseT_Full)))) {
  8510. an_10_100_val |= (1<<5);
  8511. autoneg_val |= (1<<9 | 1<<12);
  8512. if (phy->req_duplex == DUPLEX_FULL)
  8513. an_10_100_val |= (1<<6);
  8514. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8515. }
  8516. /* Only 10/100 are allowed to work in FORCE mode */
  8517. if ((phy->req_line_speed == SPEED_100) &&
  8518. (phy->supported &
  8519. (SUPPORTED_100baseT_Half |
  8520. SUPPORTED_100baseT_Full))) {
  8521. autoneg_val |= (1<<13);
  8522. /* Enabled AUTO-MDIX when autoneg is disabled */
  8523. bnx2x_cl45_write(bp, phy,
  8524. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8525. (1<<15 | 1<<9 | 7<<0));
  8526. /* The PHY needs this set even for forced link. */
  8527. an_10_100_val |= (1<<8) | (1<<7);
  8528. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8529. }
  8530. if ((phy->req_line_speed == SPEED_10) &&
  8531. (phy->supported &
  8532. (SUPPORTED_10baseT_Half |
  8533. SUPPORTED_10baseT_Full))) {
  8534. /* Enabled AUTO-MDIX when autoneg is disabled */
  8535. bnx2x_cl45_write(bp, phy,
  8536. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8537. (1<<15 | 1<<9 | 7<<0));
  8538. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8539. }
  8540. bnx2x_cl45_write(bp, phy,
  8541. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8542. an_10_100_val);
  8543. if (phy->req_duplex == DUPLEX_FULL)
  8544. autoneg_val |= (1<<8);
  8545. /* Always write this if this is not 84833.
  8546. * For 84833, write it only when it's a forced speed.
  8547. */
  8548. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8549. ((autoneg_val & (1<<12)) == 0))
  8550. bnx2x_cl45_write(bp, phy,
  8551. MDIO_AN_DEVAD,
  8552. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8553. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8554. (phy->speed_cap_mask &
  8555. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8556. (phy->req_line_speed == SPEED_10000)) {
  8557. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8558. /* Restart autoneg for 10G*/
  8559. bnx2x_cl45_read(bp, phy,
  8560. MDIO_AN_DEVAD,
  8561. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8562. &an_10g_val);
  8563. bnx2x_cl45_write(bp, phy,
  8564. MDIO_AN_DEVAD,
  8565. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8566. an_10g_val | 0x1000);
  8567. bnx2x_cl45_write(bp, phy,
  8568. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8569. 0x3200);
  8570. } else
  8571. bnx2x_cl45_write(bp, phy,
  8572. MDIO_AN_DEVAD,
  8573. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8574. 1);
  8575. return 0;
  8576. }
  8577. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8578. struct link_params *params,
  8579. struct link_vars *vars)
  8580. {
  8581. struct bnx2x *bp = params->bp;
  8582. /* Restore normal power mode*/
  8583. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8584. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8585. /* HW reset */
  8586. bnx2x_ext_phy_hw_reset(bp, params->port);
  8587. bnx2x_wait_reset_complete(bp, phy, params);
  8588. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8589. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8590. }
  8591. #define PHY84833_CMDHDLR_WAIT 300
  8592. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8593. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8594. struct link_params *params,
  8595. u16 fw_cmd,
  8596. u16 cmd_args[], int argc)
  8597. {
  8598. int idx;
  8599. u16 val;
  8600. struct bnx2x *bp = params->bp;
  8601. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8602. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8603. MDIO_84833_CMD_HDLR_STATUS,
  8604. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8605. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8606. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8607. MDIO_84833_CMD_HDLR_STATUS, &val);
  8608. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8609. break;
  8610. usleep_range(1000, 2000);
  8611. }
  8612. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8613. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8614. return -EINVAL;
  8615. }
  8616. /* Prepare argument(s) and issue command */
  8617. for (idx = 0; idx < argc; idx++) {
  8618. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8619. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8620. cmd_args[idx]);
  8621. }
  8622. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8623. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8624. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8625. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8626. MDIO_84833_CMD_HDLR_STATUS, &val);
  8627. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8628. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8629. break;
  8630. usleep_range(1000, 2000);
  8631. }
  8632. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8633. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8634. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8635. return -EINVAL;
  8636. }
  8637. /* Gather returning data */
  8638. for (idx = 0; idx < argc; idx++) {
  8639. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8640. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8641. &cmd_args[idx]);
  8642. }
  8643. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8644. MDIO_84833_CMD_HDLR_STATUS,
  8645. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8646. return 0;
  8647. }
  8648. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8649. struct link_params *params,
  8650. struct link_vars *vars)
  8651. {
  8652. u32 pair_swap;
  8653. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8654. int status;
  8655. struct bnx2x *bp = params->bp;
  8656. /* Check for configuration. */
  8657. pair_swap = REG_RD(bp, params->shmem_base +
  8658. offsetof(struct shmem_region,
  8659. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8660. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8661. if (pair_swap == 0)
  8662. return 0;
  8663. /* Only the second argument is used for this command */
  8664. data[1] = (u16)pair_swap;
  8665. status = bnx2x_84833_cmd_hdlr(phy, params,
  8666. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8667. if (status == 0)
  8668. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8669. return status;
  8670. }
  8671. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8672. u32 shmem_base_path[],
  8673. u32 chip_id)
  8674. {
  8675. u32 reset_pin[2];
  8676. u32 idx;
  8677. u8 reset_gpios;
  8678. if (CHIP_IS_E3(bp)) {
  8679. /* Assume that these will be GPIOs, not EPIOs. */
  8680. for (idx = 0; idx < 2; idx++) {
  8681. /* Map config param to register bit. */
  8682. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8683. offsetof(struct shmem_region,
  8684. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8685. reset_pin[idx] = (reset_pin[idx] &
  8686. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8687. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8688. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8689. reset_pin[idx] = (1 << reset_pin[idx]);
  8690. }
  8691. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8692. } else {
  8693. /* E2, look from diff place of shmem. */
  8694. for (idx = 0; idx < 2; idx++) {
  8695. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8696. offsetof(struct shmem_region,
  8697. dev_info.port_hw_config[0].default_cfg));
  8698. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8699. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8700. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8701. reset_pin[idx] = (1 << reset_pin[idx]);
  8702. }
  8703. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8704. }
  8705. return reset_gpios;
  8706. }
  8707. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8708. struct link_params *params)
  8709. {
  8710. struct bnx2x *bp = params->bp;
  8711. u8 reset_gpios;
  8712. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8713. offsetof(struct shmem2_region,
  8714. other_shmem_base_addr));
  8715. u32 shmem_base_path[2];
  8716. /* Work around for 84833 LED failure inside RESET status */
  8717. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8718. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8719. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8720. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8721. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8722. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8723. shmem_base_path[0] = params->shmem_base;
  8724. shmem_base_path[1] = other_shmem_base_addr;
  8725. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8726. params->chip_id);
  8727. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8728. udelay(10);
  8729. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8730. reset_gpios);
  8731. return 0;
  8732. }
  8733. static int bnx2x_8483x_eee_timers(struct link_params *params,
  8734. struct link_vars *vars)
  8735. {
  8736. u32 eee_idle = 0, eee_mode;
  8737. struct bnx2x *bp = params->bp;
  8738. eee_idle = bnx2x_eee_calc_timer(params);
  8739. if (eee_idle) {
  8740. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  8741. eee_idle);
  8742. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  8743. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  8744. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  8745. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  8746. return -EINVAL;
  8747. }
  8748. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  8749. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  8750. /* eee_idle in 1u --> eee_status in 16u */
  8751. eee_idle >>= 4;
  8752. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  8753. SHMEM_EEE_TIME_OUTPUT_BIT;
  8754. } else {
  8755. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  8756. return -EINVAL;
  8757. vars->eee_status |= eee_mode;
  8758. }
  8759. return 0;
  8760. }
  8761. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8762. struct link_params *params,
  8763. struct link_vars *vars)
  8764. {
  8765. int rc;
  8766. struct bnx2x *bp = params->bp;
  8767. u16 cmd_args = 0;
  8768. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8769. /* Make Certain LPI is disabled */
  8770. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  8771. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  8772. /* Prevent Phy from working in EEE and advertising it */
  8773. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8774. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8775. if (rc) {
  8776. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8777. return rc;
  8778. }
  8779. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
  8780. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8781. return 0;
  8782. }
  8783. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8784. struct link_params *params,
  8785. struct link_vars *vars)
  8786. {
  8787. int rc;
  8788. struct bnx2x *bp = params->bp;
  8789. u16 cmd_args = 1;
  8790. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  8791. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8792. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8793. if (rc) {
  8794. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8795. return rc;
  8796. }
  8797. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
  8798. /* Mask events preventing LPI generation */
  8799. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  8800. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8801. vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
  8802. return 0;
  8803. }
  8804. #define PHY84833_CONSTANT_LATENCY 1193
  8805. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8806. struct link_params *params,
  8807. struct link_vars *vars)
  8808. {
  8809. struct bnx2x *bp = params->bp;
  8810. u8 port, initialize = 1;
  8811. u16 val;
  8812. u32 actual_phy_selection, cms_enable;
  8813. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8814. int rc = 0;
  8815. usleep_range(1000, 2000);
  8816. if (!(CHIP_IS_E1x(bp)))
  8817. port = BP_PATH(bp);
  8818. else
  8819. port = params->port;
  8820. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8821. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8822. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8823. port);
  8824. } else {
  8825. /* MDIO reset */
  8826. bnx2x_cl45_write(bp, phy,
  8827. MDIO_PMA_DEVAD,
  8828. MDIO_PMA_REG_CTRL, 0x8000);
  8829. }
  8830. bnx2x_wait_reset_complete(bp, phy, params);
  8831. /* Wait for GPHY to come out of reset */
  8832. msleep(50);
  8833. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8834. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8835. * behavior.
  8836. */
  8837. u16 temp;
  8838. temp = vars->line_speed;
  8839. vars->line_speed = SPEED_10000;
  8840. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8841. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8842. vars->line_speed = temp;
  8843. }
  8844. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8845. MDIO_CTL_REG_84823_MEDIA, &val);
  8846. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8847. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8848. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8849. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8850. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8851. if (CHIP_IS_E3(bp)) {
  8852. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8853. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8854. } else {
  8855. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8856. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8857. }
  8858. actual_phy_selection = bnx2x_phy_selection(params);
  8859. switch (actual_phy_selection) {
  8860. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8861. /* Do nothing. Essentially this is like the priority copper */
  8862. break;
  8863. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8864. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8865. break;
  8866. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8867. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8868. break;
  8869. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8870. /* Do nothing here. The first PHY won't be initialized at all */
  8871. break;
  8872. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8873. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8874. initialize = 0;
  8875. break;
  8876. }
  8877. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8878. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8879. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8880. MDIO_CTL_REG_84823_MEDIA, val);
  8881. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8882. params->multi_phy_config, val);
  8883. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8884. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8885. /* Keep AutogrEEEn disabled. */
  8886. cmd_args[0] = 0x0;
  8887. cmd_args[1] = 0x0;
  8888. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8889. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8890. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8891. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8892. PHY84833_CMDHDLR_MAX_ARGS);
  8893. if (rc)
  8894. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8895. }
  8896. if (initialize)
  8897. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8898. else
  8899. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8900. /* 84833 PHY has a better feature and doesn't need to support this. */
  8901. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8902. cms_enable = REG_RD(bp, params->shmem_base +
  8903. offsetof(struct shmem_region,
  8904. dev_info.port_hw_config[params->port].default_cfg)) &
  8905. PORT_HW_CFG_ENABLE_CMS_MASK;
  8906. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8907. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8908. if (cms_enable)
  8909. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8910. else
  8911. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8912. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8913. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8914. }
  8915. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8916. MDIO_84833_TOP_CFG_FW_REV, &val);
  8917. /* Configure EEE support */
  8918. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  8919. phy->flags |= FLAGS_EEE_10GBT;
  8920. vars->eee_status |= SHMEM_EEE_10G_ADV <<
  8921. SHMEM_EEE_SUPPORTED_SHIFT;
  8922. /* Propogate params' bits --> vars (for migration exposure) */
  8923. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  8924. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  8925. else
  8926. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  8927. if (params->eee_mode & EEE_MODE_ADV_LPI)
  8928. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  8929. else
  8930. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  8931. rc = bnx2x_8483x_eee_timers(params, vars);
  8932. if (rc) {
  8933. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8934. bnx2x_8483x_disable_eee(phy, params, vars);
  8935. return rc;
  8936. }
  8937. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8938. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8939. (bnx2x_eee_calc_timer(params) ||
  8940. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8941. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8942. else
  8943. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8944. if (rc) {
  8945. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8946. return rc;
  8947. }
  8948. } else {
  8949. phy->flags &= ~FLAGS_EEE_10GBT;
  8950. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8951. }
  8952. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8953. /* Bring PHY out of super isolate mode as the final step. */
  8954. bnx2x_cl45_read(bp, phy,
  8955. MDIO_CTL_DEVAD,
  8956. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8957. val &= ~MDIO_84833_SUPER_ISOLATE;
  8958. bnx2x_cl45_write(bp, phy,
  8959. MDIO_CTL_DEVAD,
  8960. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8961. }
  8962. return rc;
  8963. }
  8964. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8965. struct link_params *params,
  8966. struct link_vars *vars)
  8967. {
  8968. struct bnx2x *bp = params->bp;
  8969. u16 val, val1, val2;
  8970. u8 link_up = 0;
  8971. /* Check 10G-BaseT link status */
  8972. /* Check PMD signal ok */
  8973. bnx2x_cl45_read(bp, phy,
  8974. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8975. bnx2x_cl45_read(bp, phy,
  8976. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8977. &val2);
  8978. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8979. /* Check link 10G */
  8980. if (val2 & (1<<11)) {
  8981. vars->line_speed = SPEED_10000;
  8982. vars->duplex = DUPLEX_FULL;
  8983. link_up = 1;
  8984. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8985. } else { /* Check Legacy speed link */
  8986. u16 legacy_status, legacy_speed;
  8987. /* Enable expansion register 0x42 (Operation mode status) */
  8988. bnx2x_cl45_write(bp, phy,
  8989. MDIO_AN_DEVAD,
  8990. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8991. /* Get legacy speed operation status */
  8992. bnx2x_cl45_read(bp, phy,
  8993. MDIO_AN_DEVAD,
  8994. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8995. &legacy_status);
  8996. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8997. legacy_status);
  8998. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8999. legacy_speed = (legacy_status & (3<<9));
  9000. if (legacy_speed == (0<<9))
  9001. vars->line_speed = SPEED_10;
  9002. else if (legacy_speed == (1<<9))
  9003. vars->line_speed = SPEED_100;
  9004. else if (legacy_speed == (2<<9))
  9005. vars->line_speed = SPEED_1000;
  9006. else { /* Should not happen: Treat as link down */
  9007. vars->line_speed = 0;
  9008. link_up = 0;
  9009. }
  9010. if (link_up) {
  9011. if (legacy_status & (1<<8))
  9012. vars->duplex = DUPLEX_FULL;
  9013. else
  9014. vars->duplex = DUPLEX_HALF;
  9015. DP(NETIF_MSG_LINK,
  9016. "Link is up in %dMbps, is_duplex_full= %d\n",
  9017. vars->line_speed,
  9018. (vars->duplex == DUPLEX_FULL));
  9019. /* Check legacy speed AN resolution */
  9020. bnx2x_cl45_read(bp, phy,
  9021. MDIO_AN_DEVAD,
  9022. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9023. &val);
  9024. if (val & (1<<5))
  9025. vars->link_status |=
  9026. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9027. bnx2x_cl45_read(bp, phy,
  9028. MDIO_AN_DEVAD,
  9029. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9030. &val);
  9031. if ((val & (1<<0)) == 0)
  9032. vars->link_status |=
  9033. LINK_STATUS_PARALLEL_DETECTION_USED;
  9034. }
  9035. }
  9036. if (link_up) {
  9037. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9038. vars->line_speed);
  9039. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9040. /* Read LP advertised speeds */
  9041. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9042. MDIO_AN_REG_CL37_FC_LP, &val);
  9043. if (val & (1<<5))
  9044. vars->link_status |=
  9045. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9046. if (val & (1<<6))
  9047. vars->link_status |=
  9048. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9049. if (val & (1<<7))
  9050. vars->link_status |=
  9051. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9052. if (val & (1<<8))
  9053. vars->link_status |=
  9054. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9055. if (val & (1<<9))
  9056. vars->link_status |=
  9057. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9058. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9059. MDIO_AN_REG_1000T_STATUS, &val);
  9060. if (val & (1<<10))
  9061. vars->link_status |=
  9062. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9063. if (val & (1<<11))
  9064. vars->link_status |=
  9065. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9066. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9067. MDIO_AN_REG_MASTER_STATUS, &val);
  9068. if (val & (1<<11))
  9069. vars->link_status |=
  9070. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9071. /* Determine if EEE was negotiated */
  9072. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9073. u32 eee_shmem = 0;
  9074. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9075. MDIO_AN_REG_EEE_ADV, &val1);
  9076. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9077. MDIO_AN_REG_LP_EEE_ADV, &val2);
  9078. if ((val1 & val2) & 0x8) {
  9079. DP(NETIF_MSG_LINK, "EEE negotiated\n");
  9080. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  9081. }
  9082. if (val2 & 0x12)
  9083. eee_shmem |= SHMEM_EEE_100M_ADV;
  9084. if (val2 & 0x4)
  9085. eee_shmem |= SHMEM_EEE_1G_ADV;
  9086. if (val2 & 0x68)
  9087. eee_shmem |= SHMEM_EEE_10G_ADV;
  9088. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  9089. vars->eee_status |= (eee_shmem <<
  9090. SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  9091. }
  9092. }
  9093. return link_up;
  9094. }
  9095. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9096. {
  9097. int status = 0;
  9098. u32 spirom_ver;
  9099. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9100. status = bnx2x_format_ver(spirom_ver, str, len);
  9101. return status;
  9102. }
  9103. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9104. struct link_params *params)
  9105. {
  9106. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9107. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9108. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9109. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9110. }
  9111. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9112. struct link_params *params)
  9113. {
  9114. bnx2x_cl45_write(params->bp, phy,
  9115. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9116. bnx2x_cl45_write(params->bp, phy,
  9117. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9118. }
  9119. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9120. struct link_params *params)
  9121. {
  9122. struct bnx2x *bp = params->bp;
  9123. u8 port;
  9124. u16 val16;
  9125. if (!(CHIP_IS_E1x(bp)))
  9126. port = BP_PATH(bp);
  9127. else
  9128. port = params->port;
  9129. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9130. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9131. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9132. port);
  9133. } else {
  9134. bnx2x_cl45_read(bp, phy,
  9135. MDIO_CTL_DEVAD,
  9136. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9137. val16 |= MDIO_84833_SUPER_ISOLATE;
  9138. bnx2x_cl45_write(bp, phy,
  9139. MDIO_CTL_DEVAD,
  9140. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9141. }
  9142. }
  9143. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9144. struct link_params *params, u8 mode)
  9145. {
  9146. struct bnx2x *bp = params->bp;
  9147. u16 val;
  9148. u8 port;
  9149. if (!(CHIP_IS_E1x(bp)))
  9150. port = BP_PATH(bp);
  9151. else
  9152. port = params->port;
  9153. switch (mode) {
  9154. case LED_MODE_OFF:
  9155. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9156. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9157. SHARED_HW_CFG_LED_EXTPHY1) {
  9158. /* Set LED masks */
  9159. bnx2x_cl45_write(bp, phy,
  9160. MDIO_PMA_DEVAD,
  9161. MDIO_PMA_REG_8481_LED1_MASK,
  9162. 0x0);
  9163. bnx2x_cl45_write(bp, phy,
  9164. MDIO_PMA_DEVAD,
  9165. MDIO_PMA_REG_8481_LED2_MASK,
  9166. 0x0);
  9167. bnx2x_cl45_write(bp, phy,
  9168. MDIO_PMA_DEVAD,
  9169. MDIO_PMA_REG_8481_LED3_MASK,
  9170. 0x0);
  9171. bnx2x_cl45_write(bp, phy,
  9172. MDIO_PMA_DEVAD,
  9173. MDIO_PMA_REG_8481_LED5_MASK,
  9174. 0x0);
  9175. } else {
  9176. bnx2x_cl45_write(bp, phy,
  9177. MDIO_PMA_DEVAD,
  9178. MDIO_PMA_REG_8481_LED1_MASK,
  9179. 0x0);
  9180. }
  9181. break;
  9182. case LED_MODE_FRONT_PANEL_OFF:
  9183. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9184. port);
  9185. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9186. SHARED_HW_CFG_LED_EXTPHY1) {
  9187. /* Set LED masks */
  9188. bnx2x_cl45_write(bp, phy,
  9189. MDIO_PMA_DEVAD,
  9190. MDIO_PMA_REG_8481_LED1_MASK,
  9191. 0x0);
  9192. bnx2x_cl45_write(bp, phy,
  9193. MDIO_PMA_DEVAD,
  9194. MDIO_PMA_REG_8481_LED2_MASK,
  9195. 0x0);
  9196. bnx2x_cl45_write(bp, phy,
  9197. MDIO_PMA_DEVAD,
  9198. MDIO_PMA_REG_8481_LED3_MASK,
  9199. 0x0);
  9200. bnx2x_cl45_write(bp, phy,
  9201. MDIO_PMA_DEVAD,
  9202. MDIO_PMA_REG_8481_LED5_MASK,
  9203. 0x20);
  9204. } else {
  9205. bnx2x_cl45_write(bp, phy,
  9206. MDIO_PMA_DEVAD,
  9207. MDIO_PMA_REG_8481_LED1_MASK,
  9208. 0x0);
  9209. }
  9210. break;
  9211. case LED_MODE_ON:
  9212. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9213. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9214. SHARED_HW_CFG_LED_EXTPHY1) {
  9215. /* Set control reg */
  9216. bnx2x_cl45_read(bp, phy,
  9217. MDIO_PMA_DEVAD,
  9218. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9219. &val);
  9220. val &= 0x8000;
  9221. val |= 0x2492;
  9222. bnx2x_cl45_write(bp, phy,
  9223. MDIO_PMA_DEVAD,
  9224. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9225. val);
  9226. /* Set LED masks */
  9227. bnx2x_cl45_write(bp, phy,
  9228. MDIO_PMA_DEVAD,
  9229. MDIO_PMA_REG_8481_LED1_MASK,
  9230. 0x0);
  9231. bnx2x_cl45_write(bp, phy,
  9232. MDIO_PMA_DEVAD,
  9233. MDIO_PMA_REG_8481_LED2_MASK,
  9234. 0x20);
  9235. bnx2x_cl45_write(bp, phy,
  9236. MDIO_PMA_DEVAD,
  9237. MDIO_PMA_REG_8481_LED3_MASK,
  9238. 0x20);
  9239. bnx2x_cl45_write(bp, phy,
  9240. MDIO_PMA_DEVAD,
  9241. MDIO_PMA_REG_8481_LED5_MASK,
  9242. 0x0);
  9243. } else {
  9244. bnx2x_cl45_write(bp, phy,
  9245. MDIO_PMA_DEVAD,
  9246. MDIO_PMA_REG_8481_LED1_MASK,
  9247. 0x20);
  9248. }
  9249. break;
  9250. case LED_MODE_OPER:
  9251. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9252. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9253. SHARED_HW_CFG_LED_EXTPHY1) {
  9254. /* Set control reg */
  9255. bnx2x_cl45_read(bp, phy,
  9256. MDIO_PMA_DEVAD,
  9257. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9258. &val);
  9259. if (!((val &
  9260. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9261. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9262. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9263. bnx2x_cl45_write(bp, phy,
  9264. MDIO_PMA_DEVAD,
  9265. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9266. 0xa492);
  9267. }
  9268. /* Set LED masks */
  9269. bnx2x_cl45_write(bp, phy,
  9270. MDIO_PMA_DEVAD,
  9271. MDIO_PMA_REG_8481_LED1_MASK,
  9272. 0x10);
  9273. bnx2x_cl45_write(bp, phy,
  9274. MDIO_PMA_DEVAD,
  9275. MDIO_PMA_REG_8481_LED2_MASK,
  9276. 0x80);
  9277. bnx2x_cl45_write(bp, phy,
  9278. MDIO_PMA_DEVAD,
  9279. MDIO_PMA_REG_8481_LED3_MASK,
  9280. 0x98);
  9281. bnx2x_cl45_write(bp, phy,
  9282. MDIO_PMA_DEVAD,
  9283. MDIO_PMA_REG_8481_LED5_MASK,
  9284. 0x40);
  9285. } else {
  9286. bnx2x_cl45_write(bp, phy,
  9287. MDIO_PMA_DEVAD,
  9288. MDIO_PMA_REG_8481_LED1_MASK,
  9289. 0x80);
  9290. /* Tell LED3 to blink on source */
  9291. bnx2x_cl45_read(bp, phy,
  9292. MDIO_PMA_DEVAD,
  9293. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9294. &val);
  9295. val &= ~(7<<6);
  9296. val |= (1<<6); /* A83B[8:6]= 1 */
  9297. bnx2x_cl45_write(bp, phy,
  9298. MDIO_PMA_DEVAD,
  9299. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9300. val);
  9301. }
  9302. break;
  9303. }
  9304. /* This is a workaround for E3+84833 until autoneg
  9305. * restart is fixed in f/w
  9306. */
  9307. if (CHIP_IS_E3(bp)) {
  9308. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9309. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9310. }
  9311. }
  9312. /******************************************************************/
  9313. /* 54618SE PHY SECTION */
  9314. /******************************************************************/
  9315. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9316. struct link_params *params,
  9317. struct link_vars *vars)
  9318. {
  9319. struct bnx2x *bp = params->bp;
  9320. u8 port;
  9321. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9322. u32 cfg_pin;
  9323. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9324. usleep_range(1000, 2000);
  9325. /* This works with E3 only, no need to check the chip
  9326. * before determining the port.
  9327. */
  9328. port = params->port;
  9329. cfg_pin = (REG_RD(bp, params->shmem_base +
  9330. offsetof(struct shmem_region,
  9331. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9332. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9333. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9334. /* Drive pin high to bring the GPHY out of reset. */
  9335. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9336. /* wait for GPHY to reset */
  9337. msleep(50);
  9338. /* reset phy */
  9339. bnx2x_cl22_write(bp, phy,
  9340. MDIO_PMA_REG_CTRL, 0x8000);
  9341. bnx2x_wait_reset_complete(bp, phy, params);
  9342. /* Wait for GPHY to reset */
  9343. msleep(50);
  9344. /* Configure LED4: set to INTR (0x6). */
  9345. /* Accessing shadow register 0xe. */
  9346. bnx2x_cl22_write(bp, phy,
  9347. MDIO_REG_GPHY_SHADOW,
  9348. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9349. bnx2x_cl22_read(bp, phy,
  9350. MDIO_REG_GPHY_SHADOW,
  9351. &temp);
  9352. temp &= ~(0xf << 4);
  9353. temp |= (0x6 << 4);
  9354. bnx2x_cl22_write(bp, phy,
  9355. MDIO_REG_GPHY_SHADOW,
  9356. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9357. /* Configure INTR based on link status change. */
  9358. bnx2x_cl22_write(bp, phy,
  9359. MDIO_REG_INTR_MASK,
  9360. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9361. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9362. bnx2x_cl22_write(bp, phy,
  9363. MDIO_REG_GPHY_SHADOW,
  9364. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9365. bnx2x_cl22_read(bp, phy,
  9366. MDIO_REG_GPHY_SHADOW,
  9367. &temp);
  9368. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9369. bnx2x_cl22_write(bp, phy,
  9370. MDIO_REG_GPHY_SHADOW,
  9371. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9372. /* Set up fc */
  9373. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9374. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9375. fc_val = 0;
  9376. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9377. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9378. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9379. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9380. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9381. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9382. /* Read all advertisement */
  9383. bnx2x_cl22_read(bp, phy,
  9384. 0x09,
  9385. &an_1000_val);
  9386. bnx2x_cl22_read(bp, phy,
  9387. 0x04,
  9388. &an_10_100_val);
  9389. bnx2x_cl22_read(bp, phy,
  9390. MDIO_PMA_REG_CTRL,
  9391. &autoneg_val);
  9392. /* Disable forced speed */
  9393. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9394. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9395. (1<<11));
  9396. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9397. (phy->speed_cap_mask &
  9398. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9399. (phy->req_line_speed == SPEED_1000)) {
  9400. an_1000_val |= (1<<8);
  9401. autoneg_val |= (1<<9 | 1<<12);
  9402. if (phy->req_duplex == DUPLEX_FULL)
  9403. an_1000_val |= (1<<9);
  9404. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9405. } else
  9406. an_1000_val &= ~((1<<8) | (1<<9));
  9407. bnx2x_cl22_write(bp, phy,
  9408. 0x09,
  9409. an_1000_val);
  9410. bnx2x_cl22_read(bp, phy,
  9411. 0x09,
  9412. &an_1000_val);
  9413. /* Set 100 speed advertisement */
  9414. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9415. (phy->speed_cap_mask &
  9416. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9417. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9418. an_10_100_val |= (1<<7);
  9419. /* Enable autoneg and restart autoneg for legacy speeds */
  9420. autoneg_val |= (1<<9 | 1<<12);
  9421. if (phy->req_duplex == DUPLEX_FULL)
  9422. an_10_100_val |= (1<<8);
  9423. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9424. }
  9425. /* Set 10 speed advertisement */
  9426. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9427. (phy->speed_cap_mask &
  9428. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9429. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9430. an_10_100_val |= (1<<5);
  9431. autoneg_val |= (1<<9 | 1<<12);
  9432. if (phy->req_duplex == DUPLEX_FULL)
  9433. an_10_100_val |= (1<<6);
  9434. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9435. }
  9436. /* Only 10/100 are allowed to work in FORCE mode */
  9437. if (phy->req_line_speed == SPEED_100) {
  9438. autoneg_val |= (1<<13);
  9439. /* Enabled AUTO-MDIX when autoneg is disabled */
  9440. bnx2x_cl22_write(bp, phy,
  9441. 0x18,
  9442. (1<<15 | 1<<9 | 7<<0));
  9443. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9444. }
  9445. if (phy->req_line_speed == SPEED_10) {
  9446. /* Enabled AUTO-MDIX when autoneg is disabled */
  9447. bnx2x_cl22_write(bp, phy,
  9448. 0x18,
  9449. (1<<15 | 1<<9 | 7<<0));
  9450. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9451. }
  9452. /* Check if we should turn on Auto-GrEEEn */
  9453. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9454. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9455. if (params->feature_config_flags &
  9456. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9457. temp = 6;
  9458. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9459. } else {
  9460. temp = 0;
  9461. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9462. }
  9463. bnx2x_cl22_write(bp, phy,
  9464. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9465. bnx2x_cl22_write(bp, phy,
  9466. MDIO_REG_GPHY_CL45_DATA_REG,
  9467. MDIO_REG_GPHY_EEE_ADV);
  9468. bnx2x_cl22_write(bp, phy,
  9469. MDIO_REG_GPHY_CL45_ADDR_REG,
  9470. (0x1 << 14) | MDIO_AN_DEVAD);
  9471. bnx2x_cl22_write(bp, phy,
  9472. MDIO_REG_GPHY_CL45_DATA_REG,
  9473. temp);
  9474. }
  9475. bnx2x_cl22_write(bp, phy,
  9476. 0x04,
  9477. an_10_100_val | fc_val);
  9478. if (phy->req_duplex == DUPLEX_FULL)
  9479. autoneg_val |= (1<<8);
  9480. bnx2x_cl22_write(bp, phy,
  9481. MDIO_PMA_REG_CTRL, autoneg_val);
  9482. return 0;
  9483. }
  9484. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9485. struct link_params *params, u8 mode)
  9486. {
  9487. struct bnx2x *bp = params->bp;
  9488. u16 temp;
  9489. bnx2x_cl22_write(bp, phy,
  9490. MDIO_REG_GPHY_SHADOW,
  9491. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9492. bnx2x_cl22_read(bp, phy,
  9493. MDIO_REG_GPHY_SHADOW,
  9494. &temp);
  9495. temp &= 0xff00;
  9496. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9497. switch (mode) {
  9498. case LED_MODE_FRONT_PANEL_OFF:
  9499. case LED_MODE_OFF:
  9500. temp |= 0x00ee;
  9501. break;
  9502. case LED_MODE_OPER:
  9503. temp |= 0x0001;
  9504. break;
  9505. case LED_MODE_ON:
  9506. temp |= 0x00ff;
  9507. break;
  9508. default:
  9509. break;
  9510. }
  9511. bnx2x_cl22_write(bp, phy,
  9512. MDIO_REG_GPHY_SHADOW,
  9513. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9514. return;
  9515. }
  9516. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9517. struct link_params *params)
  9518. {
  9519. struct bnx2x *bp = params->bp;
  9520. u32 cfg_pin;
  9521. u8 port;
  9522. /* In case of no EPIO routed to reset the GPHY, put it
  9523. * in low power mode.
  9524. */
  9525. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9526. /* This works with E3 only, no need to check the chip
  9527. * before determining the port.
  9528. */
  9529. port = params->port;
  9530. cfg_pin = (REG_RD(bp, params->shmem_base +
  9531. offsetof(struct shmem_region,
  9532. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9533. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9534. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9535. /* Drive pin low to put GPHY in reset. */
  9536. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9537. }
  9538. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9539. struct link_params *params,
  9540. struct link_vars *vars)
  9541. {
  9542. struct bnx2x *bp = params->bp;
  9543. u16 val;
  9544. u8 link_up = 0;
  9545. u16 legacy_status, legacy_speed;
  9546. /* Get speed operation status */
  9547. bnx2x_cl22_read(bp, phy,
  9548. MDIO_REG_GPHY_AUX_STATUS,
  9549. &legacy_status);
  9550. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9551. /* Read status to clear the PHY interrupt. */
  9552. bnx2x_cl22_read(bp, phy,
  9553. MDIO_REG_INTR_STATUS,
  9554. &val);
  9555. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9556. if (link_up) {
  9557. legacy_speed = (legacy_status & (7<<8));
  9558. if (legacy_speed == (7<<8)) {
  9559. vars->line_speed = SPEED_1000;
  9560. vars->duplex = DUPLEX_FULL;
  9561. } else if (legacy_speed == (6<<8)) {
  9562. vars->line_speed = SPEED_1000;
  9563. vars->duplex = DUPLEX_HALF;
  9564. } else if (legacy_speed == (5<<8)) {
  9565. vars->line_speed = SPEED_100;
  9566. vars->duplex = DUPLEX_FULL;
  9567. }
  9568. /* Omitting 100Base-T4 for now */
  9569. else if (legacy_speed == (3<<8)) {
  9570. vars->line_speed = SPEED_100;
  9571. vars->duplex = DUPLEX_HALF;
  9572. } else if (legacy_speed == (2<<8)) {
  9573. vars->line_speed = SPEED_10;
  9574. vars->duplex = DUPLEX_FULL;
  9575. } else if (legacy_speed == (1<<8)) {
  9576. vars->line_speed = SPEED_10;
  9577. vars->duplex = DUPLEX_HALF;
  9578. } else /* Should not happen */
  9579. vars->line_speed = 0;
  9580. DP(NETIF_MSG_LINK,
  9581. "Link is up in %dMbps, is_duplex_full= %d\n",
  9582. vars->line_speed,
  9583. (vars->duplex == DUPLEX_FULL));
  9584. /* Check legacy speed AN resolution */
  9585. bnx2x_cl22_read(bp, phy,
  9586. 0x01,
  9587. &val);
  9588. if (val & (1<<5))
  9589. vars->link_status |=
  9590. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9591. bnx2x_cl22_read(bp, phy,
  9592. 0x06,
  9593. &val);
  9594. if ((val & (1<<0)) == 0)
  9595. vars->link_status |=
  9596. LINK_STATUS_PARALLEL_DETECTION_USED;
  9597. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9598. vars->line_speed);
  9599. /* Report whether EEE is resolved. */
  9600. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9601. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9602. if (vars->link_status &
  9603. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9604. val = 0;
  9605. else {
  9606. bnx2x_cl22_write(bp, phy,
  9607. MDIO_REG_GPHY_CL45_ADDR_REG,
  9608. MDIO_AN_DEVAD);
  9609. bnx2x_cl22_write(bp, phy,
  9610. MDIO_REG_GPHY_CL45_DATA_REG,
  9611. MDIO_REG_GPHY_EEE_RESOLVED);
  9612. bnx2x_cl22_write(bp, phy,
  9613. MDIO_REG_GPHY_CL45_ADDR_REG,
  9614. (0x1 << 14) | MDIO_AN_DEVAD);
  9615. bnx2x_cl22_read(bp, phy,
  9616. MDIO_REG_GPHY_CL45_DATA_REG,
  9617. &val);
  9618. }
  9619. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9620. }
  9621. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9622. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9623. /* Report LP advertised speeds */
  9624. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9625. if (val & (1<<5))
  9626. vars->link_status |=
  9627. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9628. if (val & (1<<6))
  9629. vars->link_status |=
  9630. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9631. if (val & (1<<7))
  9632. vars->link_status |=
  9633. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9634. if (val & (1<<8))
  9635. vars->link_status |=
  9636. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9637. if (val & (1<<9))
  9638. vars->link_status |=
  9639. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9640. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9641. if (val & (1<<10))
  9642. vars->link_status |=
  9643. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9644. if (val & (1<<11))
  9645. vars->link_status |=
  9646. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9647. }
  9648. }
  9649. return link_up;
  9650. }
  9651. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9652. struct link_params *params)
  9653. {
  9654. struct bnx2x *bp = params->bp;
  9655. u16 val;
  9656. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9657. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9658. /* Enable master/slave manual mmode and set to master */
  9659. /* mii write 9 [bits set 11 12] */
  9660. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9661. /* forced 1G and disable autoneg */
  9662. /* set val [mii read 0] */
  9663. /* set val [expr $val & [bits clear 6 12 13]] */
  9664. /* set val [expr $val | [bits set 6 8]] */
  9665. /* mii write 0 $val */
  9666. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9667. val &= ~((1<<6) | (1<<12) | (1<<13));
  9668. val |= (1<<6) | (1<<8);
  9669. bnx2x_cl22_write(bp, phy, 0x00, val);
  9670. /* Set external loopback and Tx using 6dB coding */
  9671. /* mii write 0x18 7 */
  9672. /* set val [mii read 0x18] */
  9673. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9674. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9675. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9676. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9677. /* This register opens the gate for the UMAC despite its name */
  9678. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9679. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9680. * length used by the MAC receive logic to check frames.
  9681. */
  9682. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9683. }
  9684. /******************************************************************/
  9685. /* SFX7101 PHY SECTION */
  9686. /******************************************************************/
  9687. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9688. struct link_params *params)
  9689. {
  9690. struct bnx2x *bp = params->bp;
  9691. /* SFX7101_XGXS_TEST1 */
  9692. bnx2x_cl45_write(bp, phy,
  9693. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9694. }
  9695. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9696. struct link_params *params,
  9697. struct link_vars *vars)
  9698. {
  9699. u16 fw_ver1, fw_ver2, val;
  9700. struct bnx2x *bp = params->bp;
  9701. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9702. /* Restore normal power mode*/
  9703. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9704. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9705. /* HW reset */
  9706. bnx2x_ext_phy_hw_reset(bp, params->port);
  9707. bnx2x_wait_reset_complete(bp, phy, params);
  9708. bnx2x_cl45_write(bp, phy,
  9709. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9710. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9711. bnx2x_cl45_write(bp, phy,
  9712. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9713. bnx2x_ext_phy_set_pause(params, phy, vars);
  9714. /* Restart autoneg */
  9715. bnx2x_cl45_read(bp, phy,
  9716. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9717. val |= 0x200;
  9718. bnx2x_cl45_write(bp, phy,
  9719. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9720. /* Save spirom version */
  9721. bnx2x_cl45_read(bp, phy,
  9722. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9723. bnx2x_cl45_read(bp, phy,
  9724. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9725. bnx2x_save_spirom_version(bp, params->port,
  9726. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9727. return 0;
  9728. }
  9729. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9730. struct link_params *params,
  9731. struct link_vars *vars)
  9732. {
  9733. struct bnx2x *bp = params->bp;
  9734. u8 link_up;
  9735. u16 val1, val2;
  9736. bnx2x_cl45_read(bp, phy,
  9737. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9738. bnx2x_cl45_read(bp, phy,
  9739. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9740. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9741. val2, val1);
  9742. bnx2x_cl45_read(bp, phy,
  9743. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9744. bnx2x_cl45_read(bp, phy,
  9745. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9746. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9747. val2, val1);
  9748. link_up = ((val1 & 4) == 4);
  9749. /* If link is up print the AN outcome of the SFX7101 PHY */
  9750. if (link_up) {
  9751. bnx2x_cl45_read(bp, phy,
  9752. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9753. &val2);
  9754. vars->line_speed = SPEED_10000;
  9755. vars->duplex = DUPLEX_FULL;
  9756. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9757. val2, (val2 & (1<<14)));
  9758. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9759. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9760. /* Read LP advertised speeds */
  9761. if (val2 & (1<<11))
  9762. vars->link_status |=
  9763. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9764. }
  9765. return link_up;
  9766. }
  9767. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9768. {
  9769. if (*len < 5)
  9770. return -EINVAL;
  9771. str[0] = (spirom_ver & 0xFF);
  9772. str[1] = (spirom_ver & 0xFF00) >> 8;
  9773. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9774. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9775. str[4] = '\0';
  9776. *len -= 5;
  9777. return 0;
  9778. }
  9779. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9780. {
  9781. u16 val, cnt;
  9782. bnx2x_cl45_read(bp, phy,
  9783. MDIO_PMA_DEVAD,
  9784. MDIO_PMA_REG_7101_RESET, &val);
  9785. for (cnt = 0; cnt < 10; cnt++) {
  9786. msleep(50);
  9787. /* Writes a self-clearing reset */
  9788. bnx2x_cl45_write(bp, phy,
  9789. MDIO_PMA_DEVAD,
  9790. MDIO_PMA_REG_7101_RESET,
  9791. (val | (1<<15)));
  9792. /* Wait for clear */
  9793. bnx2x_cl45_read(bp, phy,
  9794. MDIO_PMA_DEVAD,
  9795. MDIO_PMA_REG_7101_RESET, &val);
  9796. if ((val & (1<<15)) == 0)
  9797. break;
  9798. }
  9799. }
  9800. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9801. struct link_params *params) {
  9802. /* Low power mode is controlled by GPIO 2 */
  9803. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9804. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9805. /* The PHY reset is controlled by GPIO 1 */
  9806. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9807. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9808. }
  9809. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9810. struct link_params *params, u8 mode)
  9811. {
  9812. u16 val = 0;
  9813. struct bnx2x *bp = params->bp;
  9814. switch (mode) {
  9815. case LED_MODE_FRONT_PANEL_OFF:
  9816. case LED_MODE_OFF:
  9817. val = 2;
  9818. break;
  9819. case LED_MODE_ON:
  9820. val = 1;
  9821. break;
  9822. case LED_MODE_OPER:
  9823. val = 0;
  9824. break;
  9825. }
  9826. bnx2x_cl45_write(bp, phy,
  9827. MDIO_PMA_DEVAD,
  9828. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9829. val);
  9830. }
  9831. /******************************************************************/
  9832. /* STATIC PHY DECLARATION */
  9833. /******************************************************************/
  9834. static struct bnx2x_phy phy_null = {
  9835. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9836. .addr = 0,
  9837. .def_md_devad = 0,
  9838. .flags = FLAGS_INIT_XGXS_FIRST,
  9839. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9840. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9841. .mdio_ctrl = 0,
  9842. .supported = 0,
  9843. .media_type = ETH_PHY_NOT_PRESENT,
  9844. .ver_addr = 0,
  9845. .req_flow_ctrl = 0,
  9846. .req_line_speed = 0,
  9847. .speed_cap_mask = 0,
  9848. .req_duplex = 0,
  9849. .rsrv = 0,
  9850. .config_init = (config_init_t)NULL,
  9851. .read_status = (read_status_t)NULL,
  9852. .link_reset = (link_reset_t)NULL,
  9853. .config_loopback = (config_loopback_t)NULL,
  9854. .format_fw_ver = (format_fw_ver_t)NULL,
  9855. .hw_reset = (hw_reset_t)NULL,
  9856. .set_link_led = (set_link_led_t)NULL,
  9857. .phy_specific_func = (phy_specific_func_t)NULL
  9858. };
  9859. static struct bnx2x_phy phy_serdes = {
  9860. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9861. .addr = 0xff,
  9862. .def_md_devad = 0,
  9863. .flags = 0,
  9864. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9865. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9866. .mdio_ctrl = 0,
  9867. .supported = (SUPPORTED_10baseT_Half |
  9868. SUPPORTED_10baseT_Full |
  9869. SUPPORTED_100baseT_Half |
  9870. SUPPORTED_100baseT_Full |
  9871. SUPPORTED_1000baseT_Full |
  9872. SUPPORTED_2500baseX_Full |
  9873. SUPPORTED_TP |
  9874. SUPPORTED_Autoneg |
  9875. SUPPORTED_Pause |
  9876. SUPPORTED_Asym_Pause),
  9877. .media_type = ETH_PHY_BASE_T,
  9878. .ver_addr = 0,
  9879. .req_flow_ctrl = 0,
  9880. .req_line_speed = 0,
  9881. .speed_cap_mask = 0,
  9882. .req_duplex = 0,
  9883. .rsrv = 0,
  9884. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9885. .read_status = (read_status_t)bnx2x_link_settings_status,
  9886. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9887. .config_loopback = (config_loopback_t)NULL,
  9888. .format_fw_ver = (format_fw_ver_t)NULL,
  9889. .hw_reset = (hw_reset_t)NULL,
  9890. .set_link_led = (set_link_led_t)NULL,
  9891. .phy_specific_func = (phy_specific_func_t)NULL
  9892. };
  9893. static struct bnx2x_phy phy_xgxs = {
  9894. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9895. .addr = 0xff,
  9896. .def_md_devad = 0,
  9897. .flags = 0,
  9898. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9899. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9900. .mdio_ctrl = 0,
  9901. .supported = (SUPPORTED_10baseT_Half |
  9902. SUPPORTED_10baseT_Full |
  9903. SUPPORTED_100baseT_Half |
  9904. SUPPORTED_100baseT_Full |
  9905. SUPPORTED_1000baseT_Full |
  9906. SUPPORTED_2500baseX_Full |
  9907. SUPPORTED_10000baseT_Full |
  9908. SUPPORTED_FIBRE |
  9909. SUPPORTED_Autoneg |
  9910. SUPPORTED_Pause |
  9911. SUPPORTED_Asym_Pause),
  9912. .media_type = ETH_PHY_CX4,
  9913. .ver_addr = 0,
  9914. .req_flow_ctrl = 0,
  9915. .req_line_speed = 0,
  9916. .speed_cap_mask = 0,
  9917. .req_duplex = 0,
  9918. .rsrv = 0,
  9919. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9920. .read_status = (read_status_t)bnx2x_link_settings_status,
  9921. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9922. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9923. .format_fw_ver = (format_fw_ver_t)NULL,
  9924. .hw_reset = (hw_reset_t)NULL,
  9925. .set_link_led = (set_link_led_t)NULL,
  9926. .phy_specific_func = (phy_specific_func_t)NULL
  9927. };
  9928. static struct bnx2x_phy phy_warpcore = {
  9929. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9930. .addr = 0xff,
  9931. .def_md_devad = 0,
  9932. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9933. FLAGS_TX_ERROR_CHECK),
  9934. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9935. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .mdio_ctrl = 0,
  9937. .supported = (SUPPORTED_10baseT_Half |
  9938. SUPPORTED_10baseT_Full |
  9939. SUPPORTED_100baseT_Half |
  9940. SUPPORTED_100baseT_Full |
  9941. SUPPORTED_1000baseT_Full |
  9942. SUPPORTED_10000baseT_Full |
  9943. SUPPORTED_20000baseKR2_Full |
  9944. SUPPORTED_20000baseMLD2_Full |
  9945. SUPPORTED_FIBRE |
  9946. SUPPORTED_Autoneg |
  9947. SUPPORTED_Pause |
  9948. SUPPORTED_Asym_Pause),
  9949. .media_type = ETH_PHY_UNSPECIFIED,
  9950. .ver_addr = 0,
  9951. .req_flow_ctrl = 0,
  9952. .req_line_speed = 0,
  9953. .speed_cap_mask = 0,
  9954. /* req_duplex = */0,
  9955. /* rsrv = */0,
  9956. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9957. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9958. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9959. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9960. .format_fw_ver = (format_fw_ver_t)NULL,
  9961. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9962. .set_link_led = (set_link_led_t)NULL,
  9963. .phy_specific_func = (phy_specific_func_t)NULL
  9964. };
  9965. static struct bnx2x_phy phy_7101 = {
  9966. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9967. .addr = 0xff,
  9968. .def_md_devad = 0,
  9969. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9970. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9971. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9972. .mdio_ctrl = 0,
  9973. .supported = (SUPPORTED_10000baseT_Full |
  9974. SUPPORTED_TP |
  9975. SUPPORTED_Autoneg |
  9976. SUPPORTED_Pause |
  9977. SUPPORTED_Asym_Pause),
  9978. .media_type = ETH_PHY_BASE_T,
  9979. .ver_addr = 0,
  9980. .req_flow_ctrl = 0,
  9981. .req_line_speed = 0,
  9982. .speed_cap_mask = 0,
  9983. .req_duplex = 0,
  9984. .rsrv = 0,
  9985. .config_init = (config_init_t)bnx2x_7101_config_init,
  9986. .read_status = (read_status_t)bnx2x_7101_read_status,
  9987. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9988. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9989. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9990. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9991. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9992. .phy_specific_func = (phy_specific_func_t)NULL
  9993. };
  9994. static struct bnx2x_phy phy_8073 = {
  9995. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9996. .addr = 0xff,
  9997. .def_md_devad = 0,
  9998. .flags = FLAGS_HW_LOCK_REQUIRED,
  9999. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10000. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10001. .mdio_ctrl = 0,
  10002. .supported = (SUPPORTED_10000baseT_Full |
  10003. SUPPORTED_2500baseX_Full |
  10004. SUPPORTED_1000baseT_Full |
  10005. SUPPORTED_FIBRE |
  10006. SUPPORTED_Autoneg |
  10007. SUPPORTED_Pause |
  10008. SUPPORTED_Asym_Pause),
  10009. .media_type = ETH_PHY_KR,
  10010. .ver_addr = 0,
  10011. .req_flow_ctrl = 0,
  10012. .req_line_speed = 0,
  10013. .speed_cap_mask = 0,
  10014. .req_duplex = 0,
  10015. .rsrv = 0,
  10016. .config_init = (config_init_t)bnx2x_8073_config_init,
  10017. .read_status = (read_status_t)bnx2x_8073_read_status,
  10018. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10019. .config_loopback = (config_loopback_t)NULL,
  10020. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10021. .hw_reset = (hw_reset_t)NULL,
  10022. .set_link_led = (set_link_led_t)NULL,
  10023. .phy_specific_func = (phy_specific_func_t)NULL
  10024. };
  10025. static struct bnx2x_phy phy_8705 = {
  10026. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10027. .addr = 0xff,
  10028. .def_md_devad = 0,
  10029. .flags = FLAGS_INIT_XGXS_FIRST,
  10030. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10031. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10032. .mdio_ctrl = 0,
  10033. .supported = (SUPPORTED_10000baseT_Full |
  10034. SUPPORTED_FIBRE |
  10035. SUPPORTED_Pause |
  10036. SUPPORTED_Asym_Pause),
  10037. .media_type = ETH_PHY_XFP_FIBER,
  10038. .ver_addr = 0,
  10039. .req_flow_ctrl = 0,
  10040. .req_line_speed = 0,
  10041. .speed_cap_mask = 0,
  10042. .req_duplex = 0,
  10043. .rsrv = 0,
  10044. .config_init = (config_init_t)bnx2x_8705_config_init,
  10045. .read_status = (read_status_t)bnx2x_8705_read_status,
  10046. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10047. .config_loopback = (config_loopback_t)NULL,
  10048. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10049. .hw_reset = (hw_reset_t)NULL,
  10050. .set_link_led = (set_link_led_t)NULL,
  10051. .phy_specific_func = (phy_specific_func_t)NULL
  10052. };
  10053. static struct bnx2x_phy phy_8706 = {
  10054. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10055. .addr = 0xff,
  10056. .def_md_devad = 0,
  10057. .flags = FLAGS_INIT_XGXS_FIRST,
  10058. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10059. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10060. .mdio_ctrl = 0,
  10061. .supported = (SUPPORTED_10000baseT_Full |
  10062. SUPPORTED_1000baseT_Full |
  10063. SUPPORTED_FIBRE |
  10064. SUPPORTED_Pause |
  10065. SUPPORTED_Asym_Pause),
  10066. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10067. .ver_addr = 0,
  10068. .req_flow_ctrl = 0,
  10069. .req_line_speed = 0,
  10070. .speed_cap_mask = 0,
  10071. .req_duplex = 0,
  10072. .rsrv = 0,
  10073. .config_init = (config_init_t)bnx2x_8706_config_init,
  10074. .read_status = (read_status_t)bnx2x_8706_read_status,
  10075. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10076. .config_loopback = (config_loopback_t)NULL,
  10077. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10078. .hw_reset = (hw_reset_t)NULL,
  10079. .set_link_led = (set_link_led_t)NULL,
  10080. .phy_specific_func = (phy_specific_func_t)NULL
  10081. };
  10082. static struct bnx2x_phy phy_8726 = {
  10083. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10084. .addr = 0xff,
  10085. .def_md_devad = 0,
  10086. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10087. FLAGS_INIT_XGXS_FIRST |
  10088. FLAGS_TX_ERROR_CHECK),
  10089. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10090. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10091. .mdio_ctrl = 0,
  10092. .supported = (SUPPORTED_10000baseT_Full |
  10093. SUPPORTED_1000baseT_Full |
  10094. SUPPORTED_Autoneg |
  10095. SUPPORTED_FIBRE |
  10096. SUPPORTED_Pause |
  10097. SUPPORTED_Asym_Pause),
  10098. .media_type = ETH_PHY_NOT_PRESENT,
  10099. .ver_addr = 0,
  10100. .req_flow_ctrl = 0,
  10101. .req_line_speed = 0,
  10102. .speed_cap_mask = 0,
  10103. .req_duplex = 0,
  10104. .rsrv = 0,
  10105. .config_init = (config_init_t)bnx2x_8726_config_init,
  10106. .read_status = (read_status_t)bnx2x_8726_read_status,
  10107. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10108. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10109. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10110. .hw_reset = (hw_reset_t)NULL,
  10111. .set_link_led = (set_link_led_t)NULL,
  10112. .phy_specific_func = (phy_specific_func_t)NULL
  10113. };
  10114. static struct bnx2x_phy phy_8727 = {
  10115. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10116. .addr = 0xff,
  10117. .def_md_devad = 0,
  10118. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10119. FLAGS_TX_ERROR_CHECK),
  10120. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10121. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10122. .mdio_ctrl = 0,
  10123. .supported = (SUPPORTED_10000baseT_Full |
  10124. SUPPORTED_1000baseT_Full |
  10125. SUPPORTED_FIBRE |
  10126. SUPPORTED_Pause |
  10127. SUPPORTED_Asym_Pause),
  10128. .media_type = ETH_PHY_NOT_PRESENT,
  10129. .ver_addr = 0,
  10130. .req_flow_ctrl = 0,
  10131. .req_line_speed = 0,
  10132. .speed_cap_mask = 0,
  10133. .req_duplex = 0,
  10134. .rsrv = 0,
  10135. .config_init = (config_init_t)bnx2x_8727_config_init,
  10136. .read_status = (read_status_t)bnx2x_8727_read_status,
  10137. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10138. .config_loopback = (config_loopback_t)NULL,
  10139. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10140. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10141. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10142. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10143. };
  10144. static struct bnx2x_phy phy_8481 = {
  10145. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10146. .addr = 0xff,
  10147. .def_md_devad = 0,
  10148. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10149. FLAGS_REARM_LATCH_SIGNAL,
  10150. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10151. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10152. .mdio_ctrl = 0,
  10153. .supported = (SUPPORTED_10baseT_Half |
  10154. SUPPORTED_10baseT_Full |
  10155. SUPPORTED_100baseT_Half |
  10156. SUPPORTED_100baseT_Full |
  10157. SUPPORTED_1000baseT_Full |
  10158. SUPPORTED_10000baseT_Full |
  10159. SUPPORTED_TP |
  10160. SUPPORTED_Autoneg |
  10161. SUPPORTED_Pause |
  10162. SUPPORTED_Asym_Pause),
  10163. .media_type = ETH_PHY_BASE_T,
  10164. .ver_addr = 0,
  10165. .req_flow_ctrl = 0,
  10166. .req_line_speed = 0,
  10167. .speed_cap_mask = 0,
  10168. .req_duplex = 0,
  10169. .rsrv = 0,
  10170. .config_init = (config_init_t)bnx2x_8481_config_init,
  10171. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10172. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10173. .config_loopback = (config_loopback_t)NULL,
  10174. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10175. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10176. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10177. .phy_specific_func = (phy_specific_func_t)NULL
  10178. };
  10179. static struct bnx2x_phy phy_84823 = {
  10180. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10181. .addr = 0xff,
  10182. .def_md_devad = 0,
  10183. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10184. FLAGS_REARM_LATCH_SIGNAL |
  10185. FLAGS_TX_ERROR_CHECK),
  10186. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10187. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10188. .mdio_ctrl = 0,
  10189. .supported = (SUPPORTED_10baseT_Half |
  10190. SUPPORTED_10baseT_Full |
  10191. SUPPORTED_100baseT_Half |
  10192. SUPPORTED_100baseT_Full |
  10193. SUPPORTED_1000baseT_Full |
  10194. SUPPORTED_10000baseT_Full |
  10195. SUPPORTED_TP |
  10196. SUPPORTED_Autoneg |
  10197. SUPPORTED_Pause |
  10198. SUPPORTED_Asym_Pause),
  10199. .media_type = ETH_PHY_BASE_T,
  10200. .ver_addr = 0,
  10201. .req_flow_ctrl = 0,
  10202. .req_line_speed = 0,
  10203. .speed_cap_mask = 0,
  10204. .req_duplex = 0,
  10205. .rsrv = 0,
  10206. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10207. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10208. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10209. .config_loopback = (config_loopback_t)NULL,
  10210. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10211. .hw_reset = (hw_reset_t)NULL,
  10212. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10213. .phy_specific_func = (phy_specific_func_t)NULL
  10214. };
  10215. static struct bnx2x_phy phy_84833 = {
  10216. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10217. .addr = 0xff,
  10218. .def_md_devad = 0,
  10219. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10220. FLAGS_REARM_LATCH_SIGNAL |
  10221. FLAGS_TX_ERROR_CHECK |
  10222. FLAGS_EEE_10GBT),
  10223. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10224. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10225. .mdio_ctrl = 0,
  10226. .supported = (SUPPORTED_100baseT_Half |
  10227. SUPPORTED_100baseT_Full |
  10228. SUPPORTED_1000baseT_Full |
  10229. SUPPORTED_10000baseT_Full |
  10230. SUPPORTED_TP |
  10231. SUPPORTED_Autoneg |
  10232. SUPPORTED_Pause |
  10233. SUPPORTED_Asym_Pause),
  10234. .media_type = ETH_PHY_BASE_T,
  10235. .ver_addr = 0,
  10236. .req_flow_ctrl = 0,
  10237. .req_line_speed = 0,
  10238. .speed_cap_mask = 0,
  10239. .req_duplex = 0,
  10240. .rsrv = 0,
  10241. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10242. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10243. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10244. .config_loopback = (config_loopback_t)NULL,
  10245. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10246. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10247. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10248. .phy_specific_func = (phy_specific_func_t)NULL
  10249. };
  10250. static struct bnx2x_phy phy_54618se = {
  10251. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10252. .addr = 0xff,
  10253. .def_md_devad = 0,
  10254. .flags = FLAGS_INIT_XGXS_FIRST,
  10255. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10256. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10257. .mdio_ctrl = 0,
  10258. .supported = (SUPPORTED_10baseT_Half |
  10259. SUPPORTED_10baseT_Full |
  10260. SUPPORTED_100baseT_Half |
  10261. SUPPORTED_100baseT_Full |
  10262. SUPPORTED_1000baseT_Full |
  10263. SUPPORTED_TP |
  10264. SUPPORTED_Autoneg |
  10265. SUPPORTED_Pause |
  10266. SUPPORTED_Asym_Pause),
  10267. .media_type = ETH_PHY_BASE_T,
  10268. .ver_addr = 0,
  10269. .req_flow_ctrl = 0,
  10270. .req_line_speed = 0,
  10271. .speed_cap_mask = 0,
  10272. /* req_duplex = */0,
  10273. /* rsrv = */0,
  10274. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10275. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10276. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10277. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10278. .format_fw_ver = (format_fw_ver_t)NULL,
  10279. .hw_reset = (hw_reset_t)NULL,
  10280. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10281. .phy_specific_func = (phy_specific_func_t)NULL
  10282. };
  10283. /*****************************************************************/
  10284. /* */
  10285. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10286. /* */
  10287. /*****************************************************************/
  10288. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10289. struct bnx2x_phy *phy, u8 port,
  10290. u8 phy_index)
  10291. {
  10292. /* Get the 4 lanes xgxs config rx and tx */
  10293. u32 rx = 0, tx = 0, i;
  10294. for (i = 0; i < 2; i++) {
  10295. /* INT_PHY and EXT_PHY1 share the same value location in
  10296. * the shmem. When num_phys is greater than 1, than this value
  10297. * applies only to EXT_PHY1
  10298. */
  10299. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10300. rx = REG_RD(bp, shmem_base +
  10301. offsetof(struct shmem_region,
  10302. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10303. tx = REG_RD(bp, shmem_base +
  10304. offsetof(struct shmem_region,
  10305. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10306. } else {
  10307. rx = REG_RD(bp, shmem_base +
  10308. offsetof(struct shmem_region,
  10309. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10310. tx = REG_RD(bp, shmem_base +
  10311. offsetof(struct shmem_region,
  10312. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10313. }
  10314. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10315. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10316. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10317. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10318. }
  10319. }
  10320. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10321. u8 phy_index, u8 port)
  10322. {
  10323. u32 ext_phy_config = 0;
  10324. switch (phy_index) {
  10325. case EXT_PHY1:
  10326. ext_phy_config = REG_RD(bp, shmem_base +
  10327. offsetof(struct shmem_region,
  10328. dev_info.port_hw_config[port].external_phy_config));
  10329. break;
  10330. case EXT_PHY2:
  10331. ext_phy_config = REG_RD(bp, shmem_base +
  10332. offsetof(struct shmem_region,
  10333. dev_info.port_hw_config[port].external_phy_config2));
  10334. break;
  10335. default:
  10336. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10337. return -EINVAL;
  10338. }
  10339. return ext_phy_config;
  10340. }
  10341. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10342. struct bnx2x_phy *phy)
  10343. {
  10344. u32 phy_addr;
  10345. u32 chip_id;
  10346. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10347. offsetof(struct shmem_region,
  10348. dev_info.port_feature_config[port].link_config)) &
  10349. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10350. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10351. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10352. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10353. if (USES_WARPCORE(bp)) {
  10354. u32 serdes_net_if;
  10355. phy_addr = REG_RD(bp,
  10356. MISC_REG_WC0_CTRL_PHY_ADDR);
  10357. *phy = phy_warpcore;
  10358. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10359. phy->flags |= FLAGS_4_PORT_MODE;
  10360. else
  10361. phy->flags &= ~FLAGS_4_PORT_MODE;
  10362. /* Check Dual mode */
  10363. serdes_net_if = (REG_RD(bp, shmem_base +
  10364. offsetof(struct shmem_region, dev_info.
  10365. port_hw_config[port].default_cfg)) &
  10366. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10367. /* Set the appropriate supported and flags indications per
  10368. * interface type of the chip
  10369. */
  10370. switch (serdes_net_if) {
  10371. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10372. phy->supported &= (SUPPORTED_10baseT_Half |
  10373. SUPPORTED_10baseT_Full |
  10374. SUPPORTED_100baseT_Half |
  10375. SUPPORTED_100baseT_Full |
  10376. SUPPORTED_1000baseT_Full |
  10377. SUPPORTED_FIBRE |
  10378. SUPPORTED_Autoneg |
  10379. SUPPORTED_Pause |
  10380. SUPPORTED_Asym_Pause);
  10381. phy->media_type = ETH_PHY_BASE_T;
  10382. break;
  10383. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10384. phy->media_type = ETH_PHY_XFP_FIBER;
  10385. break;
  10386. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10387. phy->supported &= (SUPPORTED_1000baseT_Full |
  10388. SUPPORTED_10000baseT_Full |
  10389. SUPPORTED_FIBRE |
  10390. SUPPORTED_Pause |
  10391. SUPPORTED_Asym_Pause);
  10392. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10393. break;
  10394. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10395. phy->media_type = ETH_PHY_KR;
  10396. phy->supported &= (SUPPORTED_1000baseT_Full |
  10397. SUPPORTED_10000baseT_Full |
  10398. SUPPORTED_FIBRE |
  10399. SUPPORTED_Autoneg |
  10400. SUPPORTED_Pause |
  10401. SUPPORTED_Asym_Pause);
  10402. break;
  10403. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10404. phy->media_type = ETH_PHY_KR;
  10405. phy->flags |= FLAGS_WC_DUAL_MODE;
  10406. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10407. SUPPORTED_FIBRE |
  10408. SUPPORTED_Pause |
  10409. SUPPORTED_Asym_Pause);
  10410. break;
  10411. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10412. phy->media_type = ETH_PHY_KR;
  10413. phy->flags |= FLAGS_WC_DUAL_MODE;
  10414. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10415. SUPPORTED_FIBRE |
  10416. SUPPORTED_Pause |
  10417. SUPPORTED_Asym_Pause);
  10418. break;
  10419. default:
  10420. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10421. serdes_net_if);
  10422. break;
  10423. }
  10424. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10425. * was not set as expected. For B0, ECO will be enabled so there
  10426. * won't be an issue there
  10427. */
  10428. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10429. phy->flags |= FLAGS_MDC_MDIO_WA;
  10430. else
  10431. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10432. } else {
  10433. switch (switch_cfg) {
  10434. case SWITCH_CFG_1G:
  10435. phy_addr = REG_RD(bp,
  10436. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10437. port * 0x10);
  10438. *phy = phy_serdes;
  10439. break;
  10440. case SWITCH_CFG_10G:
  10441. phy_addr = REG_RD(bp,
  10442. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10443. port * 0x18);
  10444. *phy = phy_xgxs;
  10445. break;
  10446. default:
  10447. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10448. return -EINVAL;
  10449. }
  10450. }
  10451. phy->addr = (u8)phy_addr;
  10452. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10453. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10454. port);
  10455. if (CHIP_IS_E2(bp))
  10456. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10457. else
  10458. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10459. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10460. port, phy->addr, phy->mdio_ctrl);
  10461. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10462. return 0;
  10463. }
  10464. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10465. u8 phy_index,
  10466. u32 shmem_base,
  10467. u32 shmem2_base,
  10468. u8 port,
  10469. struct bnx2x_phy *phy)
  10470. {
  10471. u32 ext_phy_config, phy_type, config2;
  10472. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10473. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10474. phy_index, port);
  10475. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10476. /* Select the phy type */
  10477. switch (phy_type) {
  10478. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10479. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10480. *phy = phy_8073;
  10481. break;
  10482. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10483. *phy = phy_8705;
  10484. break;
  10485. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10486. *phy = phy_8706;
  10487. break;
  10488. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10489. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10490. *phy = phy_8726;
  10491. break;
  10492. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10493. /* BCM8727_NOC => BCM8727 no over current */
  10494. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10495. *phy = phy_8727;
  10496. phy->flags |= FLAGS_NOC;
  10497. break;
  10498. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10499. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10500. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10501. *phy = phy_8727;
  10502. break;
  10503. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10504. *phy = phy_8481;
  10505. break;
  10506. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10507. *phy = phy_84823;
  10508. break;
  10509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10510. *phy = phy_84833;
  10511. break;
  10512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10513. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10514. *phy = phy_54618se;
  10515. break;
  10516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10517. *phy = phy_7101;
  10518. break;
  10519. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10520. *phy = phy_null;
  10521. return -EINVAL;
  10522. default:
  10523. *phy = phy_null;
  10524. /* In case external PHY wasn't found */
  10525. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10526. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10527. return -EINVAL;
  10528. return 0;
  10529. }
  10530. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10531. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10532. /* The shmem address of the phy version is located on different
  10533. * structures. In case this structure is too old, do not set
  10534. * the address
  10535. */
  10536. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10537. dev_info.shared_hw_config.config2));
  10538. if (phy_index == EXT_PHY1) {
  10539. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10540. port_mb[port].ext_phy_fw_version);
  10541. /* Check specific mdc mdio settings */
  10542. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10543. mdc_mdio_access = config2 &
  10544. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10545. } else {
  10546. u32 size = REG_RD(bp, shmem2_base);
  10547. if (size >
  10548. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10549. phy->ver_addr = shmem2_base +
  10550. offsetof(struct shmem2_region,
  10551. ext_phy_fw_version2[port]);
  10552. }
  10553. /* Check specific mdc mdio settings */
  10554. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10555. mdc_mdio_access = (config2 &
  10556. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10557. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10558. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10559. }
  10560. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10561. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10562. (phy->ver_addr)) {
  10563. /* Remove 100Mb link supported for BCM84833 when phy fw
  10564. * version lower than or equal to 1.39
  10565. */
  10566. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10567. if (((raw_ver & 0x7F) <= 39) &&
  10568. (((raw_ver & 0xF80) >> 7) <= 1))
  10569. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10570. SUPPORTED_100baseT_Full);
  10571. }
  10572. /* In case mdc/mdio_access of the external phy is different than the
  10573. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10574. * to prevent one port interfere with another port's CL45 operations.
  10575. */
  10576. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10577. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10578. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10579. phy_type, port, phy_index);
  10580. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10581. phy->addr, phy->mdio_ctrl);
  10582. return 0;
  10583. }
  10584. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10585. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10586. {
  10587. int status = 0;
  10588. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10589. if (phy_index == INT_PHY)
  10590. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10591. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10592. port, phy);
  10593. return status;
  10594. }
  10595. static void bnx2x_phy_def_cfg(struct link_params *params,
  10596. struct bnx2x_phy *phy,
  10597. u8 phy_index)
  10598. {
  10599. struct bnx2x *bp = params->bp;
  10600. u32 link_config;
  10601. /* Populate the default phy configuration for MF mode */
  10602. if (phy_index == EXT_PHY2) {
  10603. link_config = REG_RD(bp, params->shmem_base +
  10604. offsetof(struct shmem_region, dev_info.
  10605. port_feature_config[params->port].link_config2));
  10606. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10607. offsetof(struct shmem_region,
  10608. dev_info.
  10609. port_hw_config[params->port].speed_capability_mask2));
  10610. } else {
  10611. link_config = REG_RD(bp, params->shmem_base +
  10612. offsetof(struct shmem_region, dev_info.
  10613. port_feature_config[params->port].link_config));
  10614. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10615. offsetof(struct shmem_region,
  10616. dev_info.
  10617. port_hw_config[params->port].speed_capability_mask));
  10618. }
  10619. DP(NETIF_MSG_LINK,
  10620. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10621. phy_index, link_config, phy->speed_cap_mask);
  10622. phy->req_duplex = DUPLEX_FULL;
  10623. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10624. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10625. phy->req_duplex = DUPLEX_HALF;
  10626. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10627. phy->req_line_speed = SPEED_10;
  10628. break;
  10629. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10630. phy->req_duplex = DUPLEX_HALF;
  10631. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10632. phy->req_line_speed = SPEED_100;
  10633. break;
  10634. case PORT_FEATURE_LINK_SPEED_1G:
  10635. phy->req_line_speed = SPEED_1000;
  10636. break;
  10637. case PORT_FEATURE_LINK_SPEED_2_5G:
  10638. phy->req_line_speed = SPEED_2500;
  10639. break;
  10640. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10641. phy->req_line_speed = SPEED_10000;
  10642. break;
  10643. default:
  10644. phy->req_line_speed = SPEED_AUTO_NEG;
  10645. break;
  10646. }
  10647. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10648. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10649. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10650. break;
  10651. case PORT_FEATURE_FLOW_CONTROL_TX:
  10652. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10653. break;
  10654. case PORT_FEATURE_FLOW_CONTROL_RX:
  10655. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10656. break;
  10657. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10658. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10659. break;
  10660. default:
  10661. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10662. break;
  10663. }
  10664. }
  10665. u32 bnx2x_phy_selection(struct link_params *params)
  10666. {
  10667. u32 phy_config_swapped, prio_cfg;
  10668. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10669. phy_config_swapped = params->multi_phy_config &
  10670. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10671. prio_cfg = params->multi_phy_config &
  10672. PORT_HW_CFG_PHY_SELECTION_MASK;
  10673. if (phy_config_swapped) {
  10674. switch (prio_cfg) {
  10675. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10676. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10677. break;
  10678. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10679. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10680. break;
  10681. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10682. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10683. break;
  10684. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10685. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10686. break;
  10687. }
  10688. } else
  10689. return_cfg = prio_cfg;
  10690. return return_cfg;
  10691. }
  10692. int bnx2x_phy_probe(struct link_params *params)
  10693. {
  10694. u8 phy_index, actual_phy_idx;
  10695. u32 phy_config_swapped, sync_offset, media_types;
  10696. struct bnx2x *bp = params->bp;
  10697. struct bnx2x_phy *phy;
  10698. params->num_phys = 0;
  10699. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10700. phy_config_swapped = params->multi_phy_config &
  10701. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10702. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10703. phy_index++) {
  10704. actual_phy_idx = phy_index;
  10705. if (phy_config_swapped) {
  10706. if (phy_index == EXT_PHY1)
  10707. actual_phy_idx = EXT_PHY2;
  10708. else if (phy_index == EXT_PHY2)
  10709. actual_phy_idx = EXT_PHY1;
  10710. }
  10711. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10712. " actual_phy_idx %x\n", phy_config_swapped,
  10713. phy_index, actual_phy_idx);
  10714. phy = &params->phy[actual_phy_idx];
  10715. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10716. params->shmem2_base, params->port,
  10717. phy) != 0) {
  10718. params->num_phys = 0;
  10719. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10720. phy_index);
  10721. for (phy_index = INT_PHY;
  10722. phy_index < MAX_PHYS;
  10723. phy_index++)
  10724. *phy = phy_null;
  10725. return -EINVAL;
  10726. }
  10727. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10728. break;
  10729. if (params->feature_config_flags &
  10730. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10731. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10732. sync_offset = params->shmem_base +
  10733. offsetof(struct shmem_region,
  10734. dev_info.port_hw_config[params->port].media_type);
  10735. media_types = REG_RD(bp, sync_offset);
  10736. /* Update media type for non-PMF sync only for the first time
  10737. * In case the media type changes afterwards, it will be updated
  10738. * using the update_status function
  10739. */
  10740. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10741. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10742. actual_phy_idx))) == 0) {
  10743. media_types |= ((phy->media_type &
  10744. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10745. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10746. actual_phy_idx));
  10747. }
  10748. REG_WR(bp, sync_offset, media_types);
  10749. bnx2x_phy_def_cfg(params, phy, phy_index);
  10750. params->num_phys++;
  10751. }
  10752. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10753. return 0;
  10754. }
  10755. void bnx2x_init_bmac_loopback(struct link_params *params,
  10756. struct link_vars *vars)
  10757. {
  10758. struct bnx2x *bp = params->bp;
  10759. vars->link_up = 1;
  10760. vars->line_speed = SPEED_10000;
  10761. vars->duplex = DUPLEX_FULL;
  10762. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10763. vars->mac_type = MAC_TYPE_BMAC;
  10764. vars->phy_flags = PHY_XGXS_FLAG;
  10765. bnx2x_xgxs_deassert(params);
  10766. /* set bmac loopback */
  10767. bnx2x_bmac_enable(params, vars, 1);
  10768. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10769. }
  10770. void bnx2x_init_emac_loopback(struct link_params *params,
  10771. struct link_vars *vars)
  10772. {
  10773. struct bnx2x *bp = params->bp;
  10774. vars->link_up = 1;
  10775. vars->line_speed = SPEED_1000;
  10776. vars->duplex = DUPLEX_FULL;
  10777. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10778. vars->mac_type = MAC_TYPE_EMAC;
  10779. vars->phy_flags = PHY_XGXS_FLAG;
  10780. bnx2x_xgxs_deassert(params);
  10781. /* set bmac loopback */
  10782. bnx2x_emac_enable(params, vars, 1);
  10783. bnx2x_emac_program(params, vars);
  10784. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10785. }
  10786. void bnx2x_init_xmac_loopback(struct link_params *params,
  10787. struct link_vars *vars)
  10788. {
  10789. struct bnx2x *bp = params->bp;
  10790. vars->link_up = 1;
  10791. if (!params->req_line_speed[0])
  10792. vars->line_speed = SPEED_10000;
  10793. else
  10794. vars->line_speed = params->req_line_speed[0];
  10795. vars->duplex = DUPLEX_FULL;
  10796. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10797. vars->mac_type = MAC_TYPE_XMAC;
  10798. vars->phy_flags = PHY_XGXS_FLAG;
  10799. /* Set WC to loopback mode since link is required to provide clock
  10800. * to the XMAC in 20G mode
  10801. */
  10802. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10803. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10804. params->phy[INT_PHY].config_loopback(
  10805. &params->phy[INT_PHY],
  10806. params);
  10807. bnx2x_xmac_enable(params, vars, 1);
  10808. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10809. }
  10810. void bnx2x_init_umac_loopback(struct link_params *params,
  10811. struct link_vars *vars)
  10812. {
  10813. struct bnx2x *bp = params->bp;
  10814. vars->link_up = 1;
  10815. vars->line_speed = SPEED_1000;
  10816. vars->duplex = DUPLEX_FULL;
  10817. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10818. vars->mac_type = MAC_TYPE_UMAC;
  10819. vars->phy_flags = PHY_XGXS_FLAG;
  10820. bnx2x_umac_enable(params, vars, 1);
  10821. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10822. }
  10823. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10824. struct link_vars *vars)
  10825. {
  10826. struct bnx2x *bp = params->bp;
  10827. vars->link_up = 1;
  10828. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10829. vars->duplex = DUPLEX_FULL;
  10830. if (params->req_line_speed[0] == SPEED_1000)
  10831. vars->line_speed = SPEED_1000;
  10832. else
  10833. vars->line_speed = SPEED_10000;
  10834. if (!USES_WARPCORE(bp))
  10835. bnx2x_xgxs_deassert(params);
  10836. bnx2x_link_initialize(params, vars);
  10837. if (params->req_line_speed[0] == SPEED_1000) {
  10838. if (USES_WARPCORE(bp))
  10839. bnx2x_umac_enable(params, vars, 0);
  10840. else {
  10841. bnx2x_emac_program(params, vars);
  10842. bnx2x_emac_enable(params, vars, 0);
  10843. }
  10844. } else {
  10845. if (USES_WARPCORE(bp))
  10846. bnx2x_xmac_enable(params, vars, 0);
  10847. else
  10848. bnx2x_bmac_enable(params, vars, 0);
  10849. }
  10850. if (params->loopback_mode == LOOPBACK_XGXS) {
  10851. /* set 10G XGXS loopback */
  10852. params->phy[INT_PHY].config_loopback(
  10853. &params->phy[INT_PHY],
  10854. params);
  10855. } else {
  10856. /* set external phy loopback */
  10857. u8 phy_index;
  10858. for (phy_index = EXT_PHY1;
  10859. phy_index < params->num_phys; phy_index++) {
  10860. if (params->phy[phy_index].config_loopback)
  10861. params->phy[phy_index].config_loopback(
  10862. &params->phy[phy_index],
  10863. params);
  10864. }
  10865. }
  10866. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10867. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10868. }
  10869. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10870. {
  10871. struct bnx2x *bp = params->bp;
  10872. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10873. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10874. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10875. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10876. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10877. vars->link_status = 0;
  10878. vars->phy_link_up = 0;
  10879. vars->link_up = 0;
  10880. vars->line_speed = 0;
  10881. vars->duplex = DUPLEX_FULL;
  10882. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10883. vars->mac_type = MAC_TYPE_NONE;
  10884. vars->phy_flags = 0;
  10885. /* Disable attentions */
  10886. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10887. (NIG_MASK_XGXS0_LINK_STATUS |
  10888. NIG_MASK_XGXS0_LINK10G |
  10889. NIG_MASK_SERDES0_LINK_STATUS |
  10890. NIG_MASK_MI_INT));
  10891. bnx2x_emac_init(params, vars);
  10892. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10893. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10894. if (params->num_phys == 0) {
  10895. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10896. return -EINVAL;
  10897. }
  10898. set_phy_vars(params, vars);
  10899. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10900. switch (params->loopback_mode) {
  10901. case LOOPBACK_BMAC:
  10902. bnx2x_init_bmac_loopback(params, vars);
  10903. break;
  10904. case LOOPBACK_EMAC:
  10905. bnx2x_init_emac_loopback(params, vars);
  10906. break;
  10907. case LOOPBACK_XMAC:
  10908. bnx2x_init_xmac_loopback(params, vars);
  10909. break;
  10910. case LOOPBACK_UMAC:
  10911. bnx2x_init_umac_loopback(params, vars);
  10912. break;
  10913. case LOOPBACK_XGXS:
  10914. case LOOPBACK_EXT_PHY:
  10915. bnx2x_init_xgxs_loopback(params, vars);
  10916. break;
  10917. default:
  10918. if (!CHIP_IS_E3(bp)) {
  10919. if (params->switch_cfg == SWITCH_CFG_10G)
  10920. bnx2x_xgxs_deassert(params);
  10921. else
  10922. bnx2x_serdes_deassert(bp, params->port);
  10923. }
  10924. bnx2x_link_initialize(params, vars);
  10925. msleep(30);
  10926. bnx2x_link_int_enable(params);
  10927. break;
  10928. }
  10929. bnx2x_update_mng(params, vars->link_status);
  10930. bnx2x_update_mng_eee(params, vars->eee_status);
  10931. return 0;
  10932. }
  10933. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10934. u8 reset_ext_phy)
  10935. {
  10936. struct bnx2x *bp = params->bp;
  10937. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10938. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10939. /* Disable attentions */
  10940. vars->link_status = 0;
  10941. bnx2x_update_mng(params, vars->link_status);
  10942. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10943. SHMEM_EEE_ACTIVE_BIT);
  10944. bnx2x_update_mng_eee(params, vars->eee_status);
  10945. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10946. (NIG_MASK_XGXS0_LINK_STATUS |
  10947. NIG_MASK_XGXS0_LINK10G |
  10948. NIG_MASK_SERDES0_LINK_STATUS |
  10949. NIG_MASK_MI_INT));
  10950. /* Activate nig drain */
  10951. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10952. /* Disable nig egress interface */
  10953. if (!CHIP_IS_E3(bp)) {
  10954. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10955. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10956. }
  10957. /* Stop BigMac rx */
  10958. if (!CHIP_IS_E3(bp))
  10959. bnx2x_bmac_rx_disable(bp, port);
  10960. else {
  10961. bnx2x_xmac_disable(params);
  10962. bnx2x_umac_disable(params);
  10963. }
  10964. /* Disable emac */
  10965. if (!CHIP_IS_E3(bp))
  10966. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10967. usleep_range(10000, 20000);
  10968. /* The PHY reset is controlled by GPIO 1
  10969. * Hold it as vars low
  10970. */
  10971. /* Clear link led */
  10972. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10973. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10974. if (reset_ext_phy) {
  10975. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10976. phy_index++) {
  10977. if (params->phy[phy_index].link_reset) {
  10978. bnx2x_set_aer_mmd(params,
  10979. &params->phy[phy_index]);
  10980. params->phy[phy_index].link_reset(
  10981. &params->phy[phy_index],
  10982. params);
  10983. }
  10984. if (params->phy[phy_index].flags &
  10985. FLAGS_REARM_LATCH_SIGNAL)
  10986. clear_latch_ind = 1;
  10987. }
  10988. }
  10989. if (clear_latch_ind) {
  10990. /* Clear latching indication */
  10991. bnx2x_rearm_latch_signal(bp, port, 0);
  10992. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10993. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10994. }
  10995. if (params->phy[INT_PHY].link_reset)
  10996. params->phy[INT_PHY].link_reset(
  10997. &params->phy[INT_PHY], params);
  10998. /* Disable nig ingress interface */
  10999. if (!CHIP_IS_E3(bp)) {
  11000. /* Reset BigMac */
  11001. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11002. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11003. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11004. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11005. } else {
  11006. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11007. bnx2x_set_xumac_nig(params, 0, 0);
  11008. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11009. MISC_REGISTERS_RESET_REG_2_XMAC)
  11010. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11011. XMAC_CTRL_REG_SOFT_RESET);
  11012. }
  11013. vars->link_up = 0;
  11014. vars->phy_flags = 0;
  11015. return 0;
  11016. }
  11017. /****************************************************************************/
  11018. /* Common function */
  11019. /****************************************************************************/
  11020. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11021. u32 shmem_base_path[],
  11022. u32 shmem2_base_path[], u8 phy_index,
  11023. u32 chip_id)
  11024. {
  11025. struct bnx2x_phy phy[PORT_MAX];
  11026. struct bnx2x_phy *phy_blk[PORT_MAX];
  11027. u16 val;
  11028. s8 port = 0;
  11029. s8 port_of_path = 0;
  11030. u32 swap_val, swap_override;
  11031. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11032. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11033. port ^= (swap_val && swap_override);
  11034. bnx2x_ext_phy_hw_reset(bp, port);
  11035. /* PART1 - Reset both phys */
  11036. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11037. u32 shmem_base, shmem2_base;
  11038. /* In E2, same phy is using for port0 of the two paths */
  11039. if (CHIP_IS_E1x(bp)) {
  11040. shmem_base = shmem_base_path[0];
  11041. shmem2_base = shmem2_base_path[0];
  11042. port_of_path = port;
  11043. } else {
  11044. shmem_base = shmem_base_path[port];
  11045. shmem2_base = shmem2_base_path[port];
  11046. port_of_path = 0;
  11047. }
  11048. /* Extract the ext phy address for the port */
  11049. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11050. port_of_path, &phy[port]) !=
  11051. 0) {
  11052. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11053. return -EINVAL;
  11054. }
  11055. /* Disable attentions */
  11056. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11057. port_of_path*4,
  11058. (NIG_MASK_XGXS0_LINK_STATUS |
  11059. NIG_MASK_XGXS0_LINK10G |
  11060. NIG_MASK_SERDES0_LINK_STATUS |
  11061. NIG_MASK_MI_INT));
  11062. /* Need to take the phy out of low power mode in order
  11063. * to write to access its registers
  11064. */
  11065. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11066. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11067. port);
  11068. /* Reset the phy */
  11069. bnx2x_cl45_write(bp, &phy[port],
  11070. MDIO_PMA_DEVAD,
  11071. MDIO_PMA_REG_CTRL,
  11072. 1<<15);
  11073. }
  11074. /* Add delay of 150ms after reset */
  11075. msleep(150);
  11076. if (phy[PORT_0].addr & 0x1) {
  11077. phy_blk[PORT_0] = &(phy[PORT_1]);
  11078. phy_blk[PORT_1] = &(phy[PORT_0]);
  11079. } else {
  11080. phy_blk[PORT_0] = &(phy[PORT_0]);
  11081. phy_blk[PORT_1] = &(phy[PORT_1]);
  11082. }
  11083. /* PART2 - Download firmware to both phys */
  11084. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11085. if (CHIP_IS_E1x(bp))
  11086. port_of_path = port;
  11087. else
  11088. port_of_path = 0;
  11089. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11090. phy_blk[port]->addr);
  11091. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11092. port_of_path))
  11093. return -EINVAL;
  11094. /* Only set bit 10 = 1 (Tx power down) */
  11095. bnx2x_cl45_read(bp, phy_blk[port],
  11096. MDIO_PMA_DEVAD,
  11097. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11098. /* Phase1 of TX_POWER_DOWN reset */
  11099. bnx2x_cl45_write(bp, phy_blk[port],
  11100. MDIO_PMA_DEVAD,
  11101. MDIO_PMA_REG_TX_POWER_DOWN,
  11102. (val | 1<<10));
  11103. }
  11104. /* Toggle Transmitter: Power down and then up with 600ms delay
  11105. * between
  11106. */
  11107. msleep(600);
  11108. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11109. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11110. /* Phase2 of POWER_DOWN_RESET */
  11111. /* Release bit 10 (Release Tx power down) */
  11112. bnx2x_cl45_read(bp, phy_blk[port],
  11113. MDIO_PMA_DEVAD,
  11114. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11115. bnx2x_cl45_write(bp, phy_blk[port],
  11116. MDIO_PMA_DEVAD,
  11117. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11118. usleep_range(15000, 30000);
  11119. /* Read modify write the SPI-ROM version select register */
  11120. bnx2x_cl45_read(bp, phy_blk[port],
  11121. MDIO_PMA_DEVAD,
  11122. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11123. bnx2x_cl45_write(bp, phy_blk[port],
  11124. MDIO_PMA_DEVAD,
  11125. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11126. /* set GPIO2 back to LOW */
  11127. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11128. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11129. }
  11130. return 0;
  11131. }
  11132. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11133. u32 shmem_base_path[],
  11134. u32 shmem2_base_path[], u8 phy_index,
  11135. u32 chip_id)
  11136. {
  11137. u32 val;
  11138. s8 port;
  11139. struct bnx2x_phy phy;
  11140. /* Use port1 because of the static port-swap */
  11141. /* Enable the module detection interrupt */
  11142. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11143. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11144. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11145. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11146. bnx2x_ext_phy_hw_reset(bp, 0);
  11147. usleep_range(5000, 10000);
  11148. for (port = 0; port < PORT_MAX; port++) {
  11149. u32 shmem_base, shmem2_base;
  11150. /* In E2, same phy is using for port0 of the two paths */
  11151. if (CHIP_IS_E1x(bp)) {
  11152. shmem_base = shmem_base_path[0];
  11153. shmem2_base = shmem2_base_path[0];
  11154. } else {
  11155. shmem_base = shmem_base_path[port];
  11156. shmem2_base = shmem2_base_path[port];
  11157. }
  11158. /* Extract the ext phy address for the port */
  11159. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11160. port, &phy) !=
  11161. 0) {
  11162. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11163. return -EINVAL;
  11164. }
  11165. /* Reset phy*/
  11166. bnx2x_cl45_write(bp, &phy,
  11167. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11168. /* Set fault module detected LED on */
  11169. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11170. MISC_REGISTERS_GPIO_HIGH,
  11171. port);
  11172. }
  11173. return 0;
  11174. }
  11175. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11176. u8 *io_gpio, u8 *io_port)
  11177. {
  11178. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11179. offsetof(struct shmem_region,
  11180. dev_info.port_hw_config[PORT_0].default_cfg));
  11181. switch (phy_gpio_reset) {
  11182. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11183. *io_gpio = 0;
  11184. *io_port = 0;
  11185. break;
  11186. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11187. *io_gpio = 1;
  11188. *io_port = 0;
  11189. break;
  11190. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11191. *io_gpio = 2;
  11192. *io_port = 0;
  11193. break;
  11194. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11195. *io_gpio = 3;
  11196. *io_port = 0;
  11197. break;
  11198. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11199. *io_gpio = 0;
  11200. *io_port = 1;
  11201. break;
  11202. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11203. *io_gpio = 1;
  11204. *io_port = 1;
  11205. break;
  11206. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11207. *io_gpio = 2;
  11208. *io_port = 1;
  11209. break;
  11210. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11211. *io_gpio = 3;
  11212. *io_port = 1;
  11213. break;
  11214. default:
  11215. /* Don't override the io_gpio and io_port */
  11216. break;
  11217. }
  11218. }
  11219. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11220. u32 shmem_base_path[],
  11221. u32 shmem2_base_path[], u8 phy_index,
  11222. u32 chip_id)
  11223. {
  11224. s8 port, reset_gpio;
  11225. u32 swap_val, swap_override;
  11226. struct bnx2x_phy phy[PORT_MAX];
  11227. struct bnx2x_phy *phy_blk[PORT_MAX];
  11228. s8 port_of_path;
  11229. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11230. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11231. reset_gpio = MISC_REGISTERS_GPIO_1;
  11232. port = 1;
  11233. /* Retrieve the reset gpio/port which control the reset.
  11234. * Default is GPIO1, PORT1
  11235. */
  11236. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11237. (u8 *)&reset_gpio, (u8 *)&port);
  11238. /* Calculate the port based on port swap */
  11239. port ^= (swap_val && swap_override);
  11240. /* Initiate PHY reset*/
  11241. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11242. port);
  11243. usleep_range(1000, 2000);
  11244. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11245. port);
  11246. usleep_range(5000, 10000);
  11247. /* PART1 - Reset both phys */
  11248. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11249. u32 shmem_base, shmem2_base;
  11250. /* In E2, same phy is using for port0 of the two paths */
  11251. if (CHIP_IS_E1x(bp)) {
  11252. shmem_base = shmem_base_path[0];
  11253. shmem2_base = shmem2_base_path[0];
  11254. port_of_path = port;
  11255. } else {
  11256. shmem_base = shmem_base_path[port];
  11257. shmem2_base = shmem2_base_path[port];
  11258. port_of_path = 0;
  11259. }
  11260. /* Extract the ext phy address for the port */
  11261. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11262. port_of_path, &phy[port]) !=
  11263. 0) {
  11264. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11265. return -EINVAL;
  11266. }
  11267. /* disable attentions */
  11268. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11269. port_of_path*4,
  11270. (NIG_MASK_XGXS0_LINK_STATUS |
  11271. NIG_MASK_XGXS0_LINK10G |
  11272. NIG_MASK_SERDES0_LINK_STATUS |
  11273. NIG_MASK_MI_INT));
  11274. /* Reset the phy */
  11275. bnx2x_cl45_write(bp, &phy[port],
  11276. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11277. }
  11278. /* Add delay of 150ms after reset */
  11279. msleep(150);
  11280. if (phy[PORT_0].addr & 0x1) {
  11281. phy_blk[PORT_0] = &(phy[PORT_1]);
  11282. phy_blk[PORT_1] = &(phy[PORT_0]);
  11283. } else {
  11284. phy_blk[PORT_0] = &(phy[PORT_0]);
  11285. phy_blk[PORT_1] = &(phy[PORT_1]);
  11286. }
  11287. /* PART2 - Download firmware to both phys */
  11288. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11289. if (CHIP_IS_E1x(bp))
  11290. port_of_path = port;
  11291. else
  11292. port_of_path = 0;
  11293. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11294. phy_blk[port]->addr);
  11295. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11296. port_of_path))
  11297. return -EINVAL;
  11298. /* Disable PHY transmitter output */
  11299. bnx2x_cl45_write(bp, phy_blk[port],
  11300. MDIO_PMA_DEVAD,
  11301. MDIO_PMA_REG_TX_DISABLE, 1);
  11302. }
  11303. return 0;
  11304. }
  11305. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11306. u32 shmem_base_path[],
  11307. u32 shmem2_base_path[],
  11308. u8 phy_index,
  11309. u32 chip_id)
  11310. {
  11311. u8 reset_gpios;
  11312. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11313. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11314. udelay(10);
  11315. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11316. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11317. reset_gpios);
  11318. return 0;
  11319. }
  11320. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11321. struct bnx2x_phy *phy)
  11322. {
  11323. u16 val, cnt;
  11324. /* Wait for FW completing its initialization. */
  11325. for (cnt = 0; cnt < 1500; cnt++) {
  11326. bnx2x_cl45_read(bp, phy,
  11327. MDIO_PMA_DEVAD,
  11328. MDIO_PMA_REG_CTRL, &val);
  11329. if (!(val & (1<<15)))
  11330. break;
  11331. usleep_range(1000, 2000);
  11332. }
  11333. if (cnt >= 1500) {
  11334. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11335. return -EINVAL;
  11336. }
  11337. /* Put the port in super isolate mode. */
  11338. bnx2x_cl45_read(bp, phy,
  11339. MDIO_CTL_DEVAD,
  11340. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11341. val |= MDIO_84833_SUPER_ISOLATE;
  11342. bnx2x_cl45_write(bp, phy,
  11343. MDIO_CTL_DEVAD,
  11344. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11345. /* Save spirom version */
  11346. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11347. return 0;
  11348. }
  11349. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11350. u32 shmem_base,
  11351. u32 shmem2_base,
  11352. u32 chip_id)
  11353. {
  11354. int rc = 0;
  11355. struct bnx2x_phy phy;
  11356. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11357. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11358. PORT_0, &phy)) {
  11359. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11360. return -EINVAL;
  11361. }
  11362. switch (phy.type) {
  11363. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11364. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11365. break;
  11366. default:
  11367. break;
  11368. }
  11369. return rc;
  11370. }
  11371. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11372. u32 shmem2_base_path[], u8 phy_index,
  11373. u32 ext_phy_type, u32 chip_id)
  11374. {
  11375. int rc = 0;
  11376. switch (ext_phy_type) {
  11377. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11378. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11379. shmem2_base_path,
  11380. phy_index, chip_id);
  11381. break;
  11382. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11383. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11384. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11385. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11386. shmem2_base_path,
  11387. phy_index, chip_id);
  11388. break;
  11389. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11390. /* GPIO1 affects both ports, so there's need to pull
  11391. * it for single port alone
  11392. */
  11393. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11394. shmem2_base_path,
  11395. phy_index, chip_id);
  11396. break;
  11397. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11398. /* GPIO3's are linked, and so both need to be toggled
  11399. * to obtain required 2us pulse.
  11400. */
  11401. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11402. shmem2_base_path,
  11403. phy_index, chip_id);
  11404. break;
  11405. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11406. rc = -EINVAL;
  11407. break;
  11408. default:
  11409. DP(NETIF_MSG_LINK,
  11410. "ext_phy 0x%x common init not required\n",
  11411. ext_phy_type);
  11412. break;
  11413. }
  11414. if (rc)
  11415. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11416. " Port %d\n",
  11417. 0);
  11418. return rc;
  11419. }
  11420. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11421. u32 shmem2_base_path[], u32 chip_id)
  11422. {
  11423. int rc = 0;
  11424. u32 phy_ver, val;
  11425. u8 phy_index = 0;
  11426. u32 ext_phy_type, ext_phy_config;
  11427. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11428. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11429. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11430. if (CHIP_IS_E3(bp)) {
  11431. /* Enable EPIO */
  11432. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11433. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11434. }
  11435. /* Check if common init was already done */
  11436. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11437. offsetof(struct shmem_region,
  11438. port_mb[PORT_0].ext_phy_fw_version));
  11439. if (phy_ver) {
  11440. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11441. phy_ver);
  11442. return 0;
  11443. }
  11444. /* Read the ext_phy_type for arbitrary port(0) */
  11445. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11446. phy_index++) {
  11447. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11448. shmem_base_path[0],
  11449. phy_index, 0);
  11450. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11451. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11452. shmem2_base_path,
  11453. phy_index, ext_phy_type,
  11454. chip_id);
  11455. }
  11456. return rc;
  11457. }
  11458. static void bnx2x_check_over_curr(struct link_params *params,
  11459. struct link_vars *vars)
  11460. {
  11461. struct bnx2x *bp = params->bp;
  11462. u32 cfg_pin;
  11463. u8 port = params->port;
  11464. u32 pin_val;
  11465. cfg_pin = (REG_RD(bp, params->shmem_base +
  11466. offsetof(struct shmem_region,
  11467. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11468. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11469. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11470. /* Ignore check if no external input PIN available */
  11471. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11472. return;
  11473. if (!pin_val) {
  11474. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11475. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11476. " been detected and the power to "
  11477. "that SFP+ module has been removed"
  11478. " to prevent failure of the card."
  11479. " Please remove the SFP+ module and"
  11480. " restart the system to clear this"
  11481. " error.\n",
  11482. params->port);
  11483. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11484. }
  11485. } else
  11486. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11487. }
  11488. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11489. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11490. struct link_vars *vars, u32 status,
  11491. u32 phy_flag, u32 link_flag, u8 notify)
  11492. {
  11493. struct bnx2x *bp = params->bp;
  11494. /* Compare new value with previous value */
  11495. u8 led_mode;
  11496. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11497. if ((status ^ old_status) == 0)
  11498. return 0;
  11499. /* If values differ */
  11500. switch (phy_flag) {
  11501. case PHY_HALF_OPEN_CONN_FLAG:
  11502. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11503. break;
  11504. case PHY_SFP_TX_FAULT_FLAG:
  11505. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11506. break;
  11507. default:
  11508. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11509. }
  11510. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11511. old_status, status);
  11512. /* a. Update shmem->link_status accordingly
  11513. * b. Update link_vars->link_up
  11514. */
  11515. if (status) {
  11516. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11517. vars->link_status |= link_flag;
  11518. vars->link_up = 0;
  11519. vars->phy_flags |= phy_flag;
  11520. /* activate nig drain */
  11521. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11522. /* Set LED mode to off since the PHY doesn't know about these
  11523. * errors
  11524. */
  11525. led_mode = LED_MODE_OFF;
  11526. } else {
  11527. vars->link_status |= LINK_STATUS_LINK_UP;
  11528. vars->link_status &= ~link_flag;
  11529. vars->link_up = 1;
  11530. vars->phy_flags &= ~phy_flag;
  11531. led_mode = LED_MODE_OPER;
  11532. /* Clear nig drain */
  11533. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11534. }
  11535. bnx2x_sync_link(params, vars);
  11536. /* Update the LED according to the link state */
  11537. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11538. /* Update link status in the shared memory */
  11539. bnx2x_update_mng(params, vars->link_status);
  11540. /* C. Trigger General Attention */
  11541. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11542. if (notify)
  11543. bnx2x_notify_link_changed(bp);
  11544. return 1;
  11545. }
  11546. /******************************************************************************
  11547. * Description:
  11548. * This function checks for half opened connection change indication.
  11549. * When such change occurs, it calls the bnx2x_analyze_link_error
  11550. * to check if Remote Fault is set or cleared. Reception of remote fault
  11551. * status message in the MAC indicates that the peer's MAC has detected
  11552. * a fault, for example, due to break in the TX side of fiber.
  11553. *
  11554. ******************************************************************************/
  11555. int bnx2x_check_half_open_conn(struct link_params *params,
  11556. struct link_vars *vars,
  11557. u8 notify)
  11558. {
  11559. struct bnx2x *bp = params->bp;
  11560. u32 lss_status = 0;
  11561. u32 mac_base;
  11562. /* In case link status is physically up @ 10G do */
  11563. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11564. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11565. return 0;
  11566. if (CHIP_IS_E3(bp) &&
  11567. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11568. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11569. /* Check E3 XMAC */
  11570. /* Note that link speed cannot be queried here, since it may be
  11571. * zero while link is down. In case UMAC is active, LSS will
  11572. * simply not be set
  11573. */
  11574. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11575. /* Clear stick bits (Requires rising edge) */
  11576. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11577. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11578. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11579. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11580. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11581. lss_status = 1;
  11582. bnx2x_analyze_link_error(params, vars, lss_status,
  11583. PHY_HALF_OPEN_CONN_FLAG,
  11584. LINK_STATUS_NONE, notify);
  11585. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11586. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11587. /* Check E1X / E2 BMAC */
  11588. u32 lss_status_reg;
  11589. u32 wb_data[2];
  11590. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11591. NIG_REG_INGRESS_BMAC0_MEM;
  11592. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11593. if (CHIP_IS_E2(bp))
  11594. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11595. else
  11596. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11597. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11598. lss_status = (wb_data[0] > 0);
  11599. bnx2x_analyze_link_error(params, vars, lss_status,
  11600. PHY_HALF_OPEN_CONN_FLAG,
  11601. LINK_STATUS_NONE, notify);
  11602. }
  11603. return 0;
  11604. }
  11605. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11606. struct link_params *params,
  11607. struct link_vars *vars)
  11608. {
  11609. struct bnx2x *bp = params->bp;
  11610. u32 cfg_pin, value = 0;
  11611. u8 led_change, port = params->port;
  11612. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11613. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11614. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11615. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11616. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11617. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11618. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11619. return;
  11620. }
  11621. led_change = bnx2x_analyze_link_error(params, vars, value,
  11622. PHY_SFP_TX_FAULT_FLAG,
  11623. LINK_STATUS_SFP_TX_FAULT, 1);
  11624. if (led_change) {
  11625. /* Change TX_Fault led, set link status for further syncs */
  11626. u8 led_mode;
  11627. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11628. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11629. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11630. } else {
  11631. led_mode = MISC_REGISTERS_GPIO_LOW;
  11632. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11633. }
  11634. /* If module is unapproved, led should be on regardless */
  11635. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11636. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11637. led_mode);
  11638. bnx2x_set_e3_module_fault_led(params, led_mode);
  11639. }
  11640. }
  11641. }
  11642. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11643. {
  11644. u16 phy_idx;
  11645. struct bnx2x *bp = params->bp;
  11646. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11647. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11648. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11649. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11650. 0)
  11651. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11652. break;
  11653. }
  11654. }
  11655. if (CHIP_IS_E3(bp)) {
  11656. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11657. bnx2x_set_aer_mmd(params, phy);
  11658. bnx2x_check_over_curr(params, vars);
  11659. if (vars->rx_tx_asic_rst)
  11660. bnx2x_warpcore_config_runtime(phy, params, vars);
  11661. if ((REG_RD(bp, params->shmem_base +
  11662. offsetof(struct shmem_region, dev_info.
  11663. port_hw_config[params->port].default_cfg))
  11664. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11665. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11666. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11667. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11668. } else if (vars->link_status &
  11669. LINK_STATUS_SFP_TX_FAULT) {
  11670. /* Clean trail, interrupt corrects the leds */
  11671. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11672. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11673. /* Update link status in the shared memory */
  11674. bnx2x_update_mng(params, vars->link_status);
  11675. }
  11676. }
  11677. }
  11678. }
  11679. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11680. {
  11681. u8 phy_index;
  11682. struct bnx2x_phy phy;
  11683. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11684. phy_index++) {
  11685. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11686. 0, &phy) != 0) {
  11687. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11688. return 0;
  11689. }
  11690. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11691. return 1;
  11692. }
  11693. return 0;
  11694. }
  11695. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11696. u32 shmem_base,
  11697. u32 shmem2_base,
  11698. u8 port)
  11699. {
  11700. u8 phy_index, fan_failure_det_req = 0;
  11701. struct bnx2x_phy phy;
  11702. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11703. phy_index++) {
  11704. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11705. port, &phy)
  11706. != 0) {
  11707. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11708. return 0;
  11709. }
  11710. fan_failure_det_req |= (phy.flags &
  11711. FLAGS_FAN_FAILURE_DET_REQ);
  11712. }
  11713. return fan_failure_det_req;
  11714. }
  11715. void bnx2x_hw_reset_phy(struct link_params *params)
  11716. {
  11717. u8 phy_index;
  11718. struct bnx2x *bp = params->bp;
  11719. bnx2x_update_mng(params, 0);
  11720. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11721. (NIG_MASK_XGXS0_LINK_STATUS |
  11722. NIG_MASK_XGXS0_LINK10G |
  11723. NIG_MASK_SERDES0_LINK_STATUS |
  11724. NIG_MASK_MI_INT));
  11725. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11726. phy_index++) {
  11727. if (params->phy[phy_index].hw_reset) {
  11728. params->phy[phy_index].hw_reset(
  11729. &params->phy[phy_index],
  11730. params);
  11731. params->phy[phy_index] = phy_null;
  11732. }
  11733. }
  11734. }
  11735. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11736. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11737. u8 port)
  11738. {
  11739. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11740. u32 val;
  11741. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11742. if (CHIP_IS_E3(bp)) {
  11743. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11744. shmem_base,
  11745. port,
  11746. &gpio_num,
  11747. &gpio_port) != 0)
  11748. return;
  11749. } else {
  11750. struct bnx2x_phy phy;
  11751. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11752. phy_index++) {
  11753. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11754. shmem2_base, port, &phy)
  11755. != 0) {
  11756. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11757. return;
  11758. }
  11759. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11760. gpio_num = MISC_REGISTERS_GPIO_3;
  11761. gpio_port = port;
  11762. break;
  11763. }
  11764. }
  11765. }
  11766. if (gpio_num == 0xff)
  11767. return;
  11768. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11769. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11770. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11771. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11772. gpio_port ^= (swap_val && swap_override);
  11773. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11774. (gpio_num + (gpio_port << 2));
  11775. sync_offset = shmem_base +
  11776. offsetof(struct shmem_region,
  11777. dev_info.port_hw_config[port].aeu_int_mask);
  11778. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11779. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11780. gpio_num, gpio_port, vars->aeu_int_mask);
  11781. if (port == 0)
  11782. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11783. else
  11784. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11785. /* Open appropriate AEU for interrupts */
  11786. aeu_mask = REG_RD(bp, offset);
  11787. aeu_mask |= vars->aeu_int_mask;
  11788. REG_WR(bp, offset, aeu_mask);
  11789. /* Enable the GPIO to trigger interrupt */
  11790. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11791. val |= 1 << (gpio_num + (gpio_port << 2));
  11792. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11793. }