I-Microchip UG0881 PolarFire SoC FPGA Ukuqalisa Nokucushwa
Iwaranti
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Mayelana neMicrosemi
I-Microsemi, inkampani ephethwe ngokuphelele ye-Microchip Technology Inc. (Nasdaq: MCHP), inikeza iphothifoliyo ephelele ye-semiconductor kanye nezixazululo zesistimu ze-aerospace & defense, ukuxhumana, isikhungo sedatha kanye nezimakethe zezimboni. Imikhiqizo ihlanganisa ukusebenza okuphezulu kanye ne-radiation-hardened analogi imijikelezo ehlanganisiwe yesiginali, ama-FPGA, ama-SoC kanye nama-ASIC; imikhiqizo yokuphatha amandla; amadivaysi esikhathi nokuvumelanisa kanye nezixazululo zesikhathi ezinembile, ezibeka izinga lomhlaba lesikhathi; amadivaysi okucubungula izwi; izixazululo ze-RF; izingxenye ezihlukene; isitoreji sebhizinisi nezixazululo zokuxhumana, ubuchwepheshe bokuphepha kanye ne-scalable anti-tamper imikhiqizo; Izixazululo ze-Ethernet; Power-over-Ethernet ICs kanye midspans; kanye nekhono lokuklama ngokwezifiso namasevisi. Funda kabanzi ku www.microsemi.com.
Ukuqalisa Nokumisa
Ama-FPGA e-PolarFire SoC asebenzisa ukujikeleza kwamandla okuthuthukisiwe ukuze aqinisekise amandla athembekile ekufakeni amandla nasekusetheni kabusha. Emandleni nasekusetheni kabusha, ukulandelana kokuqalisa kwe-PolarFire SoC FPGA kulandela ukusetha kabusha Amandla (i-POR), ukuqalisa kwedivayisi, ukuqalisa kweDizayini, ukuqalisa kwangaphambili kwe-Microcontroller Subsystem (MSS), kanye nokuqalisa komsebenzisi kwe-MSS. Lo mbhalo uchaza ukuqalisa ngaphambilini kwe-MSS kanye ne-MSS User Boot. Ukuze uthole ulwazi mayelana ne-POR, Ukuqalisa Kwedivayisi kanye Nokuqaliswa Kwedizayini, bona i-UG0890: I-PolarFire SoC FPGA Power-Up kanye Nokusetha Kabusha Umhlahlandlela Womsebenzisi.
Ukuze uthole ulwazi olwengeziwe mayelana nezici ze-MSS, bona i-UG0880: Umhlahlandlela Womsebenzisi we-PolarFire SoC MSS.
Ukulandelana kokuqalisa
Uchungechunge lokuqalisa luqala lapho i-PolarFire SoC FPGA inikwa amandla noma isethwa kabusha. Iphela lapho iphrosesa isilungele ukwenza uhlelo lohlelo lokusebenza. Lokhu kulandelana kokuqalisa kuhamba ngemizuzwana embalwatages ngaphambi kokuthi iqale ukwenziwa kwezinhlelo.
Isethi yemisebenzi yenziwa phakathi nenqubo yokuqalisa ehlanganisa amandla okusetha kabusha ihadiwe, ukuqaliswa kwe-peripheral, ukuqaliswa kwememori, nokulayisha uhlelo lokusebenza oluchazwe umsebenzisi lusuka kumemori engaguquguquki luye kumemori eguquguqukayo ukuze lusetshenziswe.
Umfanekiso olandelayo ubonisa izigaba ezihlukene zokulandelana kwe-Boot-up.
Umfanekiso 1 Ukulandelana kokuqalisa
I-MSS Pre-Boot
Ngemva kokuphothula ngempumelelo Ukuqaliswa Kwedizayini, i-MSS Pre-boot iqala ukusebenza kwayo. I-MSS ikhishwa ekusethwe kabusha ngemva kokuphothulwa kwazo zonke izinqubo zokuqalisa ezivamile. Isilawuli sesistimu siphethe ukuhlelwa, ukuqaliswa, nokucushwa kwamadivayisi. I-MSS Pre-boot ayenzeki uma idivayisi ehleliwe ilungiselelwe imodi yokumisa okwesikhashana isilawuli sesistimu.
Isigaba sokuqala sokuqalisa se-MSS sihlanganiswe isilawuli sesistimu, nakuba singasebenzisa i-E51 ku-MSS Core Complex ukwenza izingxenye ezithile zokulandelana kokuqaliswa kwangaphambi kokuqaliswa.
Izehlakalo ezilandelayo zenzeka phakathi ne-MSS pre-boot stage:
- Ukuqinisa i-MSS eshumekiwe I-Non-Volatile Memory (eNVM)
- Ukuqaliswa kokulungisa ukungasasebenzi okuhlobene nenqolobane ye-MSS Core Complex L2
- Ukuqinisekiswa kwekhodi yokuqalisa yomsebenzisi (uma inketho yokuqalisa evikelekile yomsebenzisi inikwe amandla)
- Hambisa i-MSS esebenzayo kwikhodi Yokuqalisa Umsebenzisi
I-MSS Core Complex ingaqalwa ngeyodwa yezindlela ezine. Ithebula elilandelayo libonisa izinketho zokuqalisa ngaphambilini ze-MSS, ezingalungiselelwa futhi zifakwe ku-sNVM. Imodi yokuqalisa ichazwa yipharamitha yomsebenzisi U_MSS_BOOTMODE[1:0]. Idatha eyengeziwe yokumisa ibhuthi incike kumodi futhi ichazwa yipharamitha yomsebenzisi U_MSS_BOOTCFG (bona Ithebula 3, ikhasi 4 kanye neThebula 5, ikhasi 6).
Ithebula 1 • I-MSS Core Complex Boot Modes
| U_MSS_BOOTMODE[1:0] | Imodi | Incazelo |
| 0 | I-boot engasebenzi | Amabhuzu e-MSS Core Complex asuka ebhuthini i-ROM uma i-MSS ingalungiselelwe |
| 1 | I-boot engavikelekile | I-MSS Core Complex iqala ngqo ekhelini elichazwe yi-U_MSS_BOOTADDR |
| 2 | I-boot evikelekile yomsebenzisi | Amabhuzu e-MSS Core Complex avela ku-sNVM |
| 3 | Ibhuthi evikelekile yasefekthri | Amabhuzu e-MSS Core Complex asebenzisa iphrothokholi yokuqalisa evikelekile yasembonini |
Inketho yokuqalisa ikhethiwe njengengxenye yokugeleza komklamo we-Libero. Ukushintsha imodi kungafezwa kuphela ngokwenziwa kohlelo olusha lwe-FPGA file.
Umfanekiso 2 • Ukugeleza kwe-MSS Pre-boot 
I-Idle Boot
Uma i-MSS ingamisiwe (ngokwesiboneloample, idivayisi engenalutho), bese i-MSS Core Complex isebenzise uhlelo lwe-ROM yokuqalisa olubamba wonke amaphrosesa ku-loop engapheli kuze kube yilapho isilungisi sephutha sixhuma kulokho okuqondiwe. Irejista ye-boot vector igcina inani lazo kuze kube yilapho idivayisi isethwe kabusha noma ukumiswa kwemodi yokuqalisa entsha kuhlelwa. Kumadivayisi amisiwe, le modi ingasetshenziswa kusetshenziswa i-
U_MSS_BOOTMODE=0 inketho yokuqalisa kusihleli se-Libero.
Qaphela: Kule modi, i-U_MSS_BOOTCFG ayisetshenziswa.
Umfanekiso olandelayo ubonisa ukuhamba kwe-Idle boot.
Umfanekiso 3 • I-Idle Boot Flow
I-Boot engavikelekile
Kule modi, i-MSS Core Complex isebenzisa ikheli le-eNVM elishiwo ngaphandle kokuqinisekisa. Inikeza inketho yokuqalisa esheshayo, kodwa abukho ubuqiniso besithombe sekhodi. Ikheli lingacaciswa ngokusetha i-U_MSS_BOOTADDR ku-Libero Configurator. Le modi ingasetshenziswa futhi ukuqalisa kusuka kunoma iyiphi insiza yenkumbulo ye-FPGA Indwangu nge-FIC. Le modi isetshenziswa kusetshenziswa i-
U_MSS_BOOTMODE=1 inketho yokuqalisa.
I-MSS Core Complex ikhululwa ekusethwe kabusha ngama-boot vectors achazwe yi-U_MSS_BOOTCFG (njengoba ibalwe kuthebula elilandelayo).
Ithebula 2 • Ukusetshenziswa kwe-U_MSS_BOOTCFG kuModi Yokuqalisa Engavikelekile 1
| I-Offset (amabhayithi) |
Usayizi (amabhayithi) |
Igama |
Incazelo |
| 0 | 4 | I-BOOTVEC0 | I-Boot Vector ye-E51 |
| 4 | 4 | I-BOOTVEC1 | I-Boot Vector ye-U540 |
| 8 | 4 | I-BOOTVEC2 | I-Boot Vector ye-U541 |
| 16 | 4 | I-BOOTVEC3 | I-Boot Vector ye-U542 |
| 20 | 4 | I-BOOTVEC4 | I-Boot Vector ye-U543 |
Isibalo esilandelayo sibonisa ukugeleza kwe-boot okungavikelekile.
Umfanekiso 4 • Ukugeleza kwe-Boot okungavikelekile
I-User Secure Boot
Le modi ivumela umsebenzisi ukuthi asebenzise ibhuthi yakhe evikelekile yangokwezifiso futhi ikhodi yokuqalisa evikelekile yomsebenzisi ifakwa ku-sNVM. I-sNVM iyinkumbulo engaguquki engu-56 KB engavikelwa i-Physically Uncloble Function (PUF) eyakhelwe ngaphakathi. Le ndlela yokuqalisa ibhekwa njengevikelekile ngoba amakhasi e-sNVM amakwe njenge-ROM awashintsheki. Lapho unika amandla, isilawuli sesistimu sikopisha ikhodi yokuqalisa evikelekile yomsebenzisi ukusuka ku-sNVM ukuya ku-Data Tightly Integrated Memory (DTIM) ye-E51 Monitor core. I-E51 iqala ukusebenzisa ikhodi yokuqalisa evikelekile yomsebenzisi.
Uma usayizi wekhodi yokuqalisa evikelekile yomsebenzisi ungaphezu kosayizi we-DTIM umsebenzisi udinga ukuhlukanisa ikhodi yokuqalisa ibe yimizuzwana emibili.tages. I-sNVM ingase iqukathe u-s olandelayotagi-e yokulandelana kwe-boot yomsebenzisi, engase yenze ubuqiniso be-boot elandelayo stage usebenzisa i-algorithm yokuqinisekisa/ukususa ukubethela komsebenzisi.
Uma kusetshenziswa amakhasi aqinisekisiwe noma abethelwe bese kusetshenziswa ukhiye ofanayo we-USK (okungukuthi,
U_MSS_BOOT_SNVM_USK) kufanele isetshenziselwe wonke amakhasi aqinisekisiwe/abethelwe.
Uma ukuqinisekiswa kwehluleka, i-MSS Core Complex ingase ibekwe kabusha futhi i-BOOT_FAIL tampifulege lingaphakanyiswa. Le modi isetshenziswa kusetshenziswa inketho yokuqalisa ethi U_MSS_BOOTMODE=2.
Ithebula 3 • Ukusetshenziswa kwe-U_MSS_BOOTCFG ku-User Secure Boot
| I-Offset (amabhayithi) | Usayizi (amabhayithi) | Igama | Incazelo |
| 0 | 1 | U_MSS_BOOT_SNVM_PAGE | Ikhasi lokuqala ku-SNVM |
| 1 | 3 | IGCINIWE | Okokuqondanisa |
| 4 | 12 | U_MSS_BOOT_SNVM_USK | Okwamakhasi aqinisekisiwe/abethelwe |
Isibalo esilandelayo sibonisa ukugeleza kwe-boot okuvikelekile komsebenzisi.
Umfanekiso 5 • Ukugeleza Kwebhuthi Okuvikelekile komsebenzisi
I-Factory Secure Boot
Kule modi, isilawuli sesistimu sifunda Isitifiketi Sesithombe Sokuqalisa Okuvikelekile (i-SBIC) esivela ku-eNVM futhi siqinisekisa i-SBIC. Ekuqinisekiseni okuyimpumelelo, Isilawuli Sesistimu sikopisha ikhodi yokuqalisa evikelekile yefekthri endaweni yayo eyimfihlo, yenkumbulo evikelekile bese siyilayisha ku-DTIM ye-E51 Monitor core. I-boot evikelekile ezenzakalelayo yenza ukuhlola kwesiginesha esithombeni se-eNVM isebenzisa i-SBIC egcinwe ku-eNVM. Uma engekho amaphutha abikiwe, ukusetha kabusha kukhishwa ku-MSS Core Complex. Uma kubikwa amaphutha, i-MSS Core Complex ifakwa ekusethwe kabusha bese i-BOOT_FAIL tampifulege liyaphakanyiswa. Bese, isilawuli sesistimu sisebenza ku-ampifulegi eligomela isignali kwindwangu ye-FPGA ukuze kuthathwe isenzo somsebenzisi. Le modi isetshenziswa kusetshenziswa inketho yokuqalisa ethi U_MSS_BOOTMODE=3.
I-SBIC iqukethe ikheli, usayizi, i-hashi, kanye ne-Elliptic Curve Digital Signature Algorithm (ECDSA) yesiginesha yebhabhu kanambambili evikelwe. I-ECDSA inikezela ngokuhlukile kwe-Digital Signature Algorithm esebenzisa i-elliptic curve cryptography. Futhi iqukethe i-vector yokusetha kabusha ye-Hardware ngayinye
thread/core/processor core (Hart) ohlelweni.
Ithebula 4 • Secure Boot Image Certificate (SBIC)
| I-Offset | Usayizi (amabhayithi) | Inani | Incazelo |
| 0 | 4 | IMAGEADDR | Ikheli le-UBL kumephu yememori ye-MSS |
| 4 | 4 | IMAGELEN | Usayizi we-UBL ngamabhayithi |
| 8 | 4 | I-BOOTVEC0 | I-Boot Vector ku-UBL ye-E51 |
| 12 | 4 | I-BOOTVEC1 | I-Boot Vector ku-UBL ye-U540 |
| 16 | 4 | I-BOOTVEC2 | I-Boot Vector ku-UBL ye-U541 |
| 20 | 4 | I-BOOTVEC3 | I-Boot Vector ku-UBL ye-U542 |
| 24 | 4 | I-BOOTVEC4 | I-Boot Vector ku-UBL ye-U543 |
| 28 | 1 | IZINKETHO[7:0] | Izinketho ze-SBIC |
| 28 | 3 | IGCINIWE | |
| 32 | 8 | VERSION | Inguqulo ye-SBIC/Isithombe |
| 40 | 16 | I-DSN | Ukubophezela kwe-DSN ongakukhetha |
| 56 | 48 | H | Isithombe se-UBL esingu-SHA-384 hash |
| 104 | 104 | CODESIG | Isiginesha ye-ECDSA efakwe ngekhodi |
| Ingqikithi | 208 | Amabhayithi |
I-DSN
Uma inkambu ye-DSN ingeyona uziro, iqhathaniswa nenombolo yesiriyali yedivayisi. Uma ukuqhathanisa kwehluleka, i-boot_fail tampifulegi limisiwe futhi ukuqinisekiswa kunqanyuliwe.
VERSION
Uma ukuhoxiswa kwe-SBIC kunikwe amandla yi-U_MSS_REVOCATION_ENABLE, i-SBIC iyanqatshwa ngaphandle kwalapho inani le-VERSION likhulu noma lilingana nomkhawulo wokuhoxiswa.
I-SBIC REVOCATION OPTION
Uma ukuhoxiswa kwe-SBIC kunikwe amandla yi-U_MSS_REVOCATION_ENABLE futhi OPTIONS[0] ingu-'1', zonke izinguqulo ze-SBIC ezingaphansi kwe-VERSION ziyahoxiswa ekuqinisekiseni okuphelele kwe-SBIC. Umkhawulo wokuhoxiswa uhlala unani elisha uze ukhuphuke futhi nge-SBIC yesikhathi esizayo ene-OPTIONS[0] = '1' kanye nenkambu ephezulu ye-VERSION. Umkhawulo wokuhoxiswa ungase ukhuliswe kuphela kusetshenziswa le ndlela futhi ungasethwa kabusha kuphela ngokusakaza kancane.
Uma umkhawulo wokuhoxiswa ubuyekezwa ngokushintshashintshayo, umkhawulo ugcinwa kusetshenziswa isikimu sesitoreji esingasadingeki esisetshenziselwa amakhodi okudlula ngendlela yokuthi ukwehluleka kwamandla ngesikhathi sokuqalisa idivayisi kungabangeli ukuqalisa kwedivayisi okulandelayo ukuthi kuhluleke. Uma isibuyekezo somkhawulo wokuhoxiswa sihluleka, kuqinisekiswa ukuthi inani lomkhawulo liyivelu elisha noma ngeledlule.
Ithebula 5 • Ukusetshenziswa kwe-U_MSS_BOOTCFG kumodi yesilayishi se-Factory Boot
| I-Offset (amabhayithi) |
Usayizi (amabhayithi) |
Igama |
Incazelo |
| 0 | 4 | U_MSS_SBIC_ADDR | Ikheli le-SBIC esikhaleni sekheli le-MSS |
| 4 | 4 | U_MSS_REVOCATION_ENABLE | Nika amandla ukuhoxiswa kwe-SBIC uma kungewona uziro |
Umfanekiso olandelayo ubonisa ukugeleza kwebhuthi okuvikelekile kwasembonini.
Umfanekiso 6 • I-Factory Secure Boot Flow
I-MSS User Boot
Ukuqalisa komsebenzisi we-MSS kwenzeka lapho ukulawula kunikezwa kusuka ku-System Controller kuya ku-MSS Core Complex. Lapho ukuqalisa kwangaphambili kwe-MSS okuyimpumelelo, isilawuli sesistimu sikhulula ukusetha kabusha ku-MSS Core Complex. I-MSS ingaqalwa ngeyodwa yezindlela ezilandelayo:
- I-Bare Metal Isicelo
- Uhlelo lokusebenza lwe-Linux
- AMP Isicelo
I-Bare Metal Isicelo
Izinhlelo zokusebenza zensimbi ezingenalutho ze-PolarFire SoC zingathuthukiswa kusetshenziswa ithuluzi leSoftConsole. Leli thuluzi lihlinzeka ngokukhiphayo files ngendlela ye-.hex engasetshenziswa ekugelezeni kwe-Libero ukuze ifakwe kuhlelo lwe-bitstream file. Ithuluzi elifanayo lingasetshenziswa ukulungisa amaphutha kuzinhlelo zokusebenza ze-Bare Metal usebenzisa i-JTAG
esibonakalayo.
Isibalo esilandelayo sibonisa uhlelo lokusebenza lwe-SoftConsole Bare Metal olunamaharts amahlanu (Ama-Cores) afaka phakathi i-E51 Monitor core.
Umfanekiso 7 • Iphrojekthi yeSoftConsole 
Uhlelo lokusebenza lwe-Linux
Lesi sigaba sichaza ukulandelana kwe-boot ye-Linux esebenza kuwo wonke ama-U54 cores.
Inqubo evamile yokuqalisa iqukethe amasekhondi amathathutages. Isigaba sokuqalatagI-e boot loader (FSBL) isetshenziswa kusukela ku-on-chip Boot flash (eNVM). I-FSBL ilayisha u-s wesibilitagi-boot loader (SSBL) isuka kudivayisi yokuqalisa iye kwi-RAM yangaphandle noma Inqolobane. Idivayisi yokuqalisa ingaba yi-eNVM noma i-microcontroller yememori eshumekiwe (eMMC) noma i-SPI Flash yangaphandle. I-SSBL ilayisha isistimu yokusebenza ye-Linux isuka kudivayisi yokuqalisa iye kwi-RAM yangaphandle. Esiqwini sesithathutage, i-Linux isetshenziswa kusukela ku-RAM yangaphandle.
Isibalo esilandelayo sibonisa ukugeleza kwenqubo ye-Linux Boot.
Umfanekiso 8 • Ukugeleza Kwenqubo Ye-Boot ye-Linux evamile
Imininingwane ye-FSBL, isihlahla sedivayisi, i-Linux, ne-YOCTO yokwakha, indlela yokwakha nokulungisa i-Linux izonikezwa ekukhishweni okuzayo kwalo mbhalo.
AMP Isicelo
Incazelo enemininingwane ye-Libero MSS Configurator kanye nendlela yokususa iphutha lezinhlelo zokusebenza zokucubungula okuningi usebenzisa i-SoftConsole izonikezwa ekukhishweni okuzayo kwalo mbhalo.
Imithombo Ehlukene Yokuqalisa
Izobuyekezwa ezinguqulweni ezizayo zale dokhumenti.
Ukucushwa Kwebhuthi
Izobuyekezwa ezinguqulweni ezizayo zale dokhumenti.
Izifinyezo
Ama-akhronimi alandelayo asetshenziswa kulo mbhalo.
Ithebula 1 • Uhlu lwama-Acronyms
Isifinyezo Sinwetshiwe
- AMP I-Asymmetric Multi-processing
- I-DTIM Inkumbulo Ehlanganisiwe Yedatha (ephinde ibizwe ngokuthi i-SRAM)
- ECDSA I-Elliptic Curve Digital Signature Algorithm
- eNVM kushumekiwe Inkumbulo Engaguquguquki
- I-FSBL Okokuqala Stage I-Boot Loader
- Hart Intambo yezingxenyekazi zekhompuyutha/umongo/umongo wokucubungula
- I-MSS I-Microprocessor Subsystem
- I-POR Amandla okuthi Setha Kabusha
- I-PUF Umsebenzi Ongavaleleki Emzimbeni
- I-ROM Inkumbulo yokufunda kuphela
- I-SCB Ibhuloho Lokulawula Isistimu
- sNVM Vikela Inkumbulo Engaguquguquki
Umlando Wokubuyekeza
Umlando wokubuyekeza uchaza izinguquko ezisetshenziswe kudokhumenti. Izinguquko zifakwe ohlwini ngokubukeza, kuqala ngokushicilelwa kwamanje.
Ukubuyekeza 2.0
Okulandelayo isifinyezo sezinguquko ezenziwe kulesi sibuyekezo.
- Ulwazi olumayelana ne-Factory Secure Boot lubuyekeziwe.
- Ulwazi mayelana ne-Bare Metal Application lubuyekeziwe.
Ukubuyekeza 1.0
Ukushicilelwa kokuqala kwalo mbhalo.
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Amadokhumenti / Izinsiza
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I-Microchip UG0881 PolarFire SoC FPGA Ukuqalisa Nokucushwa [pdf] Umhlahlandlela Womsebenzisi UG0881 PolarFire SoC FPGA Ukuqalisa Nokucushwa, UG0881, PolarFire SoC FPGA Ukuqalisa Nokucushwa, Ukuqalisa Nokumisa |
