I-Microchip Technology Core JTAG Igayidi Yomsebenzisi Yokulungisa Iphutha
Isingeniso
Core JTAG I-Debug v4.0 isiza ukuxhumeka kwe-Joint Test Action Group (JTAG) ama-soft core processors ahambisanayo ku-JTAG I-TAP noma izikhonkwane Zenjongo Ejwayelekile Yokufaka/Okukhiphayo (GPIO) ukuze kulungiswe iphutha. Lo mnyombo we-IP usiza ukulungisa iphutha lobukhulu obungu-16 bamaphrosesa amaphakathi athambile ngaphakathi kwedivayisi eyodwa, futhi uhlinzeka ngosekelo lokususa iphutha lamaphrosesa kumadivayisi amane ahlukene nge-GPIO.
Izici
I-CoreJTAGUkulungisa iphutha kunezici ezibalulekile ezilandelayo:
- Inikeza ukufinyelela kwendwangu ku-JTAG interface ngokusebenzisa JTAG TAP.
- Inikeza ukufinyelela kwendwangu ku-JTAG isikhombimsebenzisi ngokusebenzisa izikhonkwane ze-GPIO.
- Ilungiselela ukwesekwa kweKhodi ye-IR ye-JTAG umhubhe.
- Isekela ukuxhumanisa amadivaysi amaningi ngokusebenzisa JTAG TAP.
- Isekela ukulungisa iphutha le-multi-processor.
- Iphromotha iwashi elihlukene futhi isethe kabusha amasiginali kuzisetshenziswa zomzila eziyisikewu esiphansi.
- Isekela kokubili ukusetha kabusha okusebenzayo-okuphansi nokusebenzayo-okuphezulu.
- Usekela i-JTAG I-Security Monitor Interface (UJTAG_SEC) yamadivayisi we-PolarFire.
Inguqulo ye-Core
Lo mbhalo usebenza ku-CoreJTAGSusa iphutha v4.0
Imindeni Esekelwe
- I-PolarFire®
- I-RTG4™
- I-IGLOO® 2
- I-SmartFusion® 2
- I-SmartFusion
- I-ProASIC3/3E/3L
- IGLOO
- IGLOOe/+
Ukusetshenziswa Kwedivayisi kanye nokusebenza
Idatha yokusetshenziswa nokusebenza ifakwe kuhlu kuthebula elilandelayo lemindeni yamadivayisi asekelwayo. Idatha esohlwini kuleli thebula iyinkomba kuphela. Konke ukusetshenziswa kwedivayisi nokusebenza kwengqikithi kuncike ohlelweni.
Ithebula 1. Ukusetshenziswa Kwedivayisi nokusebenza
| Umndeni | Amathayela Alandelanayo | Ukuhlanganiswa | Ingqikithi | Ukusetshenziswa Idivayisi | Isamba % | Ukusebenza (MHz) |
| I-PolarFire | 17 | 116 | 299554 | I-MPF300TS | 0.04 | 111.111 |
| I-RTG4 | 19 | 121 | 151824 | I-RT4G150 | 0.09 | 50 |
| I-SmartFusion2 | 17 | 120 | 56340 | I-M2S050 | 0.24 | 69.47 |
| IGLOO2 | 17 | 120 | 56340 | I-M2GL050 | 0.24 | 68.76 |
| I-SmartFusion | 17 | 151 | 4608 | I-A2F200M3F | 3.65 | 63.53 |
| IGLOO | 17 | 172 | 3072 | AFL125V5 | 6.15 | 69.34 |
| I-ProASIC3 | 17 | 157 | 13824 | A3P600 | 1.26 | 50 |
Qaphela: Idatha kuleli thebula yafinyelelwa kusetshenziswa i-Verilog RTL enokuhlanganiswa okujwayelekile nezilungiselelo zesakhiwo ezingxenyeni ezingu--1. Amapharamitha wezinga eliphezulu noma amajenerikhi ashiywe kuzilungiselelo ezizenzakalelayo.
Incazelo Esebenzayo
I-CoreJTAGUkulungisa iphutha kusebenzisa i-UJTAG i-hard macro ukunikeza ukufinyelela ku-JTAG interface kusuka kwendwangu ye-FPGA. I-UJTAG i-hard macro isiza ukuxhuma ekuphumeni kwesilawuli se-MSS noma se-ASIC TAP kusuka endwangu. Kuphela, isibonelo esisodwa se-UJTAG i-macro ivunyelwe endwangu.
Umfanekiso 1-1. I-CoreJTAGI-Debug Block Diagram
I-CoreJTAGUkulungisa iphutha kuqukethe ukulinganisa kwe-uj_jtag isilawuli somhubhe, esisebenzisa i-JTAG isilawuli somhubhe ukusiza u-JTAG ukuqondisa phakathi komklami weFlashPro kanye nephrosesa ye-softcore eqondiwe. Iprosesa ye-softcore ixhunywe nge-FPGA's JTAG ama-interface pins. Izikena ze-IR ezivela ku-JTAG i-interface ayifinyeleleki endwangu ye-FPGA. Ngakho-ke, iphrothokholi yomhubhe iyadingeka ukwenza lula ukuskena kwe-IR ne-DR ekuqondisweni kokususa iphutha, okusekela izinga lembonini elithi J.TAG esibonakalayo. Isilawuli somhubhe siqopha iphakethe lomhubhe elidluliswe njenge-DR scan futhi sikhiqize umphumela we-IR noma i-DR scan, ngokusekelwe kokuqukethwe kwephakethe lomhubhe kanye nokuqukethwe kwerejista ye-IR ehlinzekwa nge-UIREG. Isilawuli somhubhe siphinde sihlukanise iphakethe lomhubhe, lapho okuqukethwe kurejista ye-IR kufana nekhodi yayo ye-IR.
Umfanekiso 1-2. I-Tunnel Packet Protocol
Ipharamitha yokumisa inikeza ukucushwa kwekhodi ye-IR esetshenziswa isilawuli somhubhe. Ukuze kube lula ukulungisa iphutha kwama-softcore processors amaningi ngaphakathi kwedizayini eyodwa, inani lezilawuli zomhubhe ezimisiwe ziyalungiseka ukusuka ku-1-16, kuhlinzeke i-J.TAG isixhumi esibonakalayo esivumelanayo kuphrosesa ngayinye eqondiwe. Lawa maphrosesa aqondiwe ngamunye ayalungiseka ngekhodi ye-IR eyingqayizivele esethwe ngesikhathi sokwenza okuthile.
I-CLKINT noma i-BFR buffer iqiniswe emugqeni we-TGT_TCK wesixhumi esibonakalayo sokususa iphutha sephrosesa ngayinye.
Ulayini we-URSTB ovela e-UJTAG i-macro (TRSTB) ikhuthazwe ibe yinsiza yomhlaba wonke ngaphakathi kwe-CoreJTAGSusa iphutha. I-inverter ongayikhetha ibekwe emugqeni we-TGT_TRST phakathi kwe-CoreJTAGSusa iphutha ukuze uxhumeke kuthagethi yokususa iphutha, okulindeleke ukuthi ixhunywe kumthombo osebenzayo wokusetha kabusha okuphezulu. Ilungiswa uma kucatshangwa ukuthi isignali ye-TRSTB engenayo evela ku-JTAG I-TAP iyasebenza iphansi. Uma lokhu kulungiselelwa kudinga okuqondiwe kokususa iphutha okukodwa noma ngaphezulu, insiza eyengeziwe yomhlaba wonke izosetshenziswa.
Ulayini we-URSTB ovela e-UJTAG i-macro (TRSTB) ikhuthazwe ibe yinsiza yomhlaba wonke ngaphakathi kwe-CoreJTAGSusa iphutha. I-inverter ongayikhetha ibekwe emugqeni we-TGT_TRST phakathi kwe-CoreJTAGSusa iphutha ukuze uxhumeke kuthagethi yokususa iphutha, okulindeleke ukuthi ixhunywe kumthombo osebenzayo wokusetha kabusha okuphezulu. Ilungiswa uma kucatshangwa ukuthi isignali ye-TRSTB engenayo evela ku-JTAG I-TAP iyasebenza iphansi. I-TGT_TRSTN iwukukhiphayo okuzenzakalelayo okusebenzayo okuzenzakalelayo kwethagethi yokususa iphutha. Uma lokhu kulungiselelwa kudinga okuqondiwe kokususa iphutha okukodwa noma ngaphezulu, insiza eyengeziwe yomhlaba wonke izosetshenziswa.
Umfanekiso 1-3. I-CoreJTAGI-Debug Serial Data and Clock
I-Device Chaining
Bheka ku-FPGA Programming User Guides ebhodini elithile lokuthuthukisa noma umndeni. Ibhodi ngalinye lokuthuthukisa lingasebenza ngevolumu ehlukenetages, futhi ungase ukhethe ukuqinisekisa ukuthi kungenzeka yini ngezinkundla zabo zokuthuthukisa. Futhi, uma usebenzisa amabhodi amaningi okuthuthukisa, qinisekisa ukuthi, abelana ngento efanayo.
Nge-FlashPro Header
Ukuze usekele ukuhlanganiswa kwamadivayisi amaningi endwangu usebenzisa unhlokweni we-FlashPro, izikhathi eziningi ze-uj_jtag ziyadingeka. Le nguqulo ye-core inikeza ukufinyelela kubukhulu obungama-cores ayi-16 ngaphandle kwesidingo sokufaka ngesandla uj_jtag. Ingqikithi ngayinye inekhodi ye-IR ehlukile (kusuka ku-0x55 kuya ku-0x64) ezonikeza ukufinyelela kumongo othile omesha ikhodi ye-ID.
Umfanekiso 1-4. Amaphrosesa Amaningi Kudivayisi Eyodwa Yedivayisi
Ukuze usebenzise i-CoreJTAGSusa iphutha kuwo wonke amadivayisi amaningi, enye yamadivayisi idinga ukuba umpetha. Le divayisi iqukethe i-CoreJTAGI-Debug core. Iprosesa ngayinye ibe isixhunywa ngale ndlela elandelayo:
Umfanekiso 1-5. Amaprosesa amaningi Kumadivayisi Amabili
Ukulungisa iphutha kwelinye ibhodi, i-JTAG izimpawu ezivela CoreJTAGUkususa iphutha kuphromothelwe kumaphini wezinga eliphezulu ku-SmartDesign. Lezi zixhunywe ku-JTAG amasignali ngqo ku-processor.
Qaphela: I-CoreJTAGUkulungisa iphutha, ekwakhiweni kwebhodi lesibili, kungokuzithandela Qaphela ukuthi i-UJ_JTAG i-macro kanye nesihloko se-FlashPro asisetshenziswa ekwakhiweni kwebhodi lesibili.
Ukuze ukhethe iphrosesa yokulungisa iphutha ku-SoftConsole, chofoza ukulungiselelwa kokususa iphutha, bese uchofoza ithebhu ye-Debugger.
Umyalo, oboniswe esithombeni esilandelayo, uyasetshenziswa.
Umfanekiso 1-6. Ukucushwa Kwe-Debugger UJ_JTAG_IRCODE
I-UJ_JTAG_IRCODE ingashintshwa kuye ngokuthi iyiphi iphrosesa oyilungisayo. Okwesiboneloample: ukulungisa iphutha kuphrosesa Kudivayisi 0, i-UJ_JTAG_IRCODE ingasethelwa ku-0x55 noma 0x56.
Nge-GPIO
Ukuze ulungise iphutha nge-GPIO, ipharamitha UJTAG _BYPASS ikhethiwe. I-core eyodwa nezine zingalungiswa phezu kwezihloko ze-GPIO noma izikhonkwane. Ukuze uqalise iseshini yokususa iphutha usebenzisa ama-GPIO asuka ku-SoftConsole v5.3 noma ngaphezulu, Ukucushwa Kwe-Debug kumele kusethwe ngendlela elandelayo:
Umfanekiso 1-7. I-Debugger Configuration GPIO
Qaphela: Uma ulungisa iphutha nge-GPIO, awukwazi ukususa iphutha ngesikhathi esifanayo iphrosesa nge-FlashPro Header noma nge-Embedded FlashPro5, kumabhodi okuthuthukisa. Okwesiboneloample: Iheda ye-FlashPro noma i-Embedded FlashPro5 iyatholakala ukusiza ukulungisa iphutha usebenzisa i-Identify noma i-SmartDebug.
Umfanekiso 1-8. Ukulungisa iphutha Ngezikhonkwane ze-GPIO
I-Chaining yedivayisi ngamaphini we-GPIO
Ukusekela ukuhlanganiswa kwamadivaysi amaningi nge-GPIO, i-UJTAG_BYPASS ipharamitha idinga ukukhethwa. Bese kuthi amasiginali we-TCK, TMS, kanye ne-TRSTb anyuselwe kumachweba wezinga eliphezulu. Wonke amaphrosesa aqondiwe ane-TCK, i-TMS, ne-TRSTb. Lezi azikhonjiswa ngezansi.
Umfanekiso 1-9. I-Chaining yedivayisi Ngezikhonkwane ze-GPIO
Esifundweni esiyisisekelo sika-JTAG chain, i-TDO yephrosesa ixhuma ku-TDI yenye iphrosesa, futhi iyaqhubeka kuze kube yilapho bonke abaprosesa beboshiwe, ngale ndlela. I-TDI yephrosesa yokuqala kanye ne-TDO yephrosesa yokugcina ixhuma ku-JTAG umhleli ohlanganisa wonke ama-processor. I-JTAG amasignali asuka kubaprosesa ahanjiswa ku-CoreJTAGSusa iphutha, lapho zingaboshwa khona. Uma ukuhlanganisa kumadivayisi amaningi kuqediwe, idivayisi ene-CoreJTAGUkulungisa iphutha kuba idivayisi eyinhloko.
Esimeni sokususa iphutha se-GPIO, lapho Ikhodi ye-IR ingabelwe kuphrosesa ngayinye, iskripthi esilungisiwe se-OpenOCD sisetshenziselwa ukukhetha, ukuthi iyiphi idivayisi elungiswayo. Iskripthi se-OpenOCD sishintshiwe ukuze kukhethwe, ukuthi iyiphi idivayisi esuswe iphutha. Ngomklamo we-Mi-V, i file itholakala endaweni yokufaka ye-SoftConsole, ngaphansi kwe-openocd/scripts/board/microsemi-riscv.cfg. Kwamanye ama-processor, i- files atholakala endaweni efanayo ye-openocd.
Qaphela: Izinketho zokulungisa iphutha nazo zidinga ukubuyekezwa, uma i file iqanjwe kabusha
Umfanekiso 1-10. Ukucushwa kwe-Debug
Vula igama lomsebenzisi-riscv-gpio-chain.cfg, okulandelayo yi-exampnalokhu okufanele kubonwe:
Umfanekiso 1-11. Ukucushwa kwe-MIV File
Izilungiselelo ezilandelayo zisebenzela idivayisi eyodwa ukulungisa iphutha nge-GPIO. Ukuze kulungiswe iphutha iketango, imiyalo eyengeziwe idinga ukungezwa, ukuze amadivaysi angalungiswanga abekwe kwimodi yokudlula.
Kumaphrosesa amabili eketangeni, okulandelayo sampumyalo wenziwa:
Lokhu kuvumela ukulungisa iphutha kwe-Target softcore Processor 1 ngokubeka i-Target softcore Processor 0 kumodi yokudlula. Ukuze ulungise iphutha le-Target softcore Processor 0, kusetshenziswa umyalo olandelayo:
Qaphela: Umehluko kuphela phakathi kwalokhu kucushwa okubili ukuthi umthombo, obiza ukucushwa kwe-Microsemi RISCV file (microsemi-riscv.cfg) noma iza kuqala, lapho ilungisa iphutha I-Target softcore Processor 0, noma eyesibili, lapho ilungisa iphutha I-Target Softcore processor 1. Ngamadivaysi angaphezu kwamabili kuketango, j eyengeziwetag ama-newtaps angeziwe. Okwesiboneloample, uma kukhona ama-processor amathathu kuketango, khona-ke kusetshenziswa umyalo olandelayo:
Umfanekiso 1-12. Exampkanye ne-Debug System
Isixhumi esibonakalayo
Izigaba ezilandelayo zixoxa ngolwazi oluhlobene nesixhumi esibonakalayo.
Ukucushwa Amapharamitha
Izinketho zokucushwa ze-CoreJTAGUkulungisa iphutha kuchazwe kuthebula elilandelayo. Uma ukucushwa okungekona okumisiwe kudingekile, sebenzisa ibhokisi lengxoxo Ukucushwa ku-SmartDesign ukuze ukhethe amanani afanele wezinketho ezilungisekayo.
Ithebula 2-1. I-CoreJTAGIzinketho zokulungisa iphutha
| Igama | Ibanga Elivumelekile | Okuzenzakalelayo | Incazelo |
| NUM_DEBUG_TGTS | 1-16 | 1 | Inani lezinhloso ezitholakalayo zokususa iphutha nge-FlashPro (UJTAG_DEBUG = 0) ingu-1-16. Inani lezinhloso ezitholakalayo zokususa iphutha nge-GPIO (UJTAG_DEBUG = 1) ingu-1-4. |
| IR_CODE_TGT_x | 0X55-0X64 | 0X55 | JTAG Ikhodi ye-IR, okuhloswe ngakunye kokususa iphutha. Inani elishiwo kufanele lihluke kulokhu okuhlosiwe kokususa iphutha. Isilawuli somhubhe esihlotshaniswa nalesi sikhombimsebenzisi esiqondiwe sokususa iphutha sishayela kuphela i-TDO futhi sishayela isixhumi esibonakalayo sokususa iphutha, lapho okuqukethwe kwerejista ye-IR kufana nekhodi ye-IR. |
| TGT_ACTIVE_HIGH_RESET_x | 0-1 | 0 | 0: TGT_TRSTN_x okukhiphayo kuxhunywe kufomu lomhlaba jikelele lokuphumayo okusebenzayo okuphansi kwe-URSTB ye-UJTAG macro.1: Okukhiphayo kwe-TGT_TRST kuxhumeke ngaphakathi kufomu lomhlaba jikelele elihlanekezelwe lokuphumayo okusebenzayo okuphansi kwe-URSTB ye-UJTAG amakhro. Isisetshenziswa somzila somhlaba wonke esingeziwe siyasetshenziswa uma le pharamitha isethelwe ku-1 kunoma iyiphi ithagethi yokususa iphutha. |
| UJTAG_BYPASS | 0-1 | 0 | 0: I-GPIO Debug ikhutshaziwe, Ukulungisa iphutha kuyatholakala nge-FlashPro Header noma Embedded FlashPro5.1: I-GPIO Debug ivuliwe, Ukulungisa iphutha kutholakala ngokusebenzisa amaphinikhodi we-GPIO akhethiwe ebhodini.Qaphela: Lapho Ukulungisa iphutha kwenziwa nge-GPIO, umyalo olandelayo wokususa iphutha usetshenziswa ezinkethweni zokususa iphutha zeSoftConsole: “—command “set FPGA_TAP N”“. |
| UJTAG_SEC_EN | 0-1 | 0 | 0 :ujTAG i-macro ikhethiwe uma i-UJTAG_BYPASS = 0. 1: UJTAG_SEC macro ikhethiwe uma i-UJTAG_BYPASS= 0.Qaphela: Le pharamitha isebenza kuphela ku-PolarFire. Okusho ukuthi, UMNDENI = 26. |
Izincazelo zesiginali
Ithebula elilandelayo libala izincazelo zesignali ze-CoreJTAGSusa iphutha.
Ithebula 2-2. I-CoreJTAGI-Debug I/O Signals
| Igama | Ibanga Elivumelekile | Okuzenzakalelayo | Incazelo |
| NUM_DEBUG_TGTS | 1-16 | 1 | Inani lezinhloso ezitholakalayo zokususa iphutha nge-FlashPro (UJTAG_DEBUG = 0) ingu-1-16. Inani lezinhloso ezitholakalayo zokususa iphutha nge-GPIO (UJTAG_DEBUG = 1) ingu-1-4. |
| IR_CODE_TGT_x | 0X55-0X64 | 0X55 | JTAG Ikhodi ye-IR, okuhloswe ngakunye kokususa iphutha. Inani elishiwo kufanele lihluke kulokhu okuhlosiwe kokususa iphutha. Isilawuli somhubhe esihlotshaniswa nalesi sikhombimsebenzisi esiqondiwe sokususa iphutha sishayela kuphela i-TDO futhi sishayela isixhumi esibonakalayo sokususa iphutha, lapho okuqukethwe kwerejista ye-IR kufana nekhodi ye-IR. |
| TGT_ACTIVE_HIGH_RESET_x | 0-1 | 0 | 0: TGT_TRSTN_x okukhiphayo kuxhunywe kufomu lomhlaba jikelele lokuphumayo okusebenzayo okuphansi kwe-URSTB ye-UJTAG macro.1: Okukhiphayo kwe-TGT_TRST kuxhumeke ngaphakathi kufomu lomhlaba jikelele elihlanekezelwe lokuphumayo okusebenzayo okuphansi kwe-URSTB ye-UJTAG amakhro. Isisetshenziswa somzila somhlaba wonke esingeziwe siyasetshenziswa uma le pharamitha isethelwe ku-1 kunoma iyiphi ithagethi yokususa iphutha. |
| UJTAG_BYPASS | 0-1 | 0 | 0: I-GPIO Debug ikhutshaziwe, Ukulungisa iphutha kuyatholakala nge-FlashPro Header noma Embedded FlashPro5.1: I-GPIO Debug ivuliwe, Ukulungisa iphutha kutholakala ngokusebenzisa amaphinikhodi we-GPIO akhethiwe ebhodini.Qaphela: Lapho Ukulungisa iphutha kwenziwa nge-GPIO, umyalo olandelayo wokususa iphutha usetshenziswa ezinkethweni zokususa iphutha zeSoftConsole: “—command “set FPGA_TAP N”“. |
| UJTAG_SEC_EN | 0-1 | 0 | 0 :ujTAG i-macro ikhethiwe uma i-UJTAG_BYPASS = 0. 1: UJTAG_SEC macro ikhethiwe uma i-UJTAG_BYPASS= 0.Qaphela: Le pharamitha isebenza kuphela ku-PolarFire. Okusho ukuthi, UMNDENI = 26. |
Amanothi:
- Wonke amasignali ku-JTAG Uhlu lwezimbobo ze-TAP ngenhla kufanele luthuthukiswe ukuze lube ezimbobeni ezisezingeni eliphezulu ku-SmartDesign.
- Amachweba we-SEC atholakala kuphela uma e-UJTAG_SEC_EN inikwe amandla nge-CoreJTAGI-GUI yokulungisa iphutha.
- Nakekela ngokukhethekile lapho uxhuma okokufaka kwe-EN_SEC. Uma i-EN_SEC iphromothelwe embobeni yezinga eliphezulu (iphinikhodi yokufaka idivayisi), kufanele ufinyelele I-Configure I/O States Ngesikhathi sika-J.TAG Isigaba sokuhlela Sokuklama Uhlelo ekugelezeni kwe-Libero futhi uqinisekise ukuthi I/0 State (Okukhiphayo Kuphela) yembobo ye-EN_SEC isethelwe ku-1.
Bhalisa Imephu Nezincazelo
Awekho amarejista e-CoreJTAGSusa iphutha.
Ukugeleza Kwethuluzi
Izigaba ezilandelayo zixoxa ngolwazi oluhlobene nokugeleza kwamathuluzi.
Ilayisensi
Ilayisensi ayidingeki ukuze usebenzise le IP Core nge-Libero SoC.
I-RTL
Ikhodi ephelele ye-RTL ihlinzekelwe umgogodla namabhentshi okuhlola, okuvumela okuyisisekelo ukuthi kuqiniswe nge-SmartDesign. Ukulingisa, ukuhlanganiswa, kanye nesakhiwo kungenziwa ngaphakathi kwe-Libero SoC.
I-SmartDesign
Umuntu wakudalaample instantiated view kwe CoreJTAGUkulungisa iphutha kuboniswa esithombeni esilandelayo. Ukuze uthole ulwazi olwengeziwe ngokusebenzisa i-SmartDesign ukuze uqinise futhi ukhiqize ama-cores, bheka Ukusebenzisa i-DirectCore ku-Libero® SoC User Guide.
Umfanekiso 4-1. I-SmartDesign CoreJTAGI-Debug Instance View usebenzisa i-JTAG Unhlokweni
Umfanekiso 4-2. I-SmartDesign CoreJTAGI-Debug Instance usebenzisa izikhonkwane ze-GPIO
Ilungiselela i-CoreJTAGSusa iphutha ku-SmartDesign
Umongo ulungiswa kusetshenziswa i-GUI yokumisa ku-SmartDesign. IsibampI-le ye-GUI iboniswa emfanekisweni olandelayo.
Umfanekiso 4-3. Ilungiselela i-CoreJTAGSusa iphutha ku-SmartDesign
Okwe-PolarFire, i-UJTAG_SEC ikhetha i-UJTAG_SEC macro esikhundleni se-UJTAG macro lapho UJTAG_BYPASS ivaliwe. Akunakwa kuyo yonke eminye imindeni.
Inombolo Yeziqondiso Zokususa iphutha iyalungiseka kuze kufike kweziyi-16 ezihlosiwe zokususa iphutha, nge-UJTAG_BYPASS ikhutshaziwe futhi kufike ku-4 okuhloswe kokususa iphutha, nge-UJTAG_BYPASS inikwe amandla.
UJTAG_BYPASS ikhetha ukulungisa iphutha nge-UJTAG kanye nesihloko se-FlashPro, nokulungisa iphutha ngamaphini we-GPIO.
Ikhodi ye-IR eqondisiwe yi-JTAG Ikhodi ye-IR inikezwe okuqondiwe kokususa iphutha. Leli kufanele kube inani eliyingqayizivele ngaphakathi kobubanzi obushiwo kubo Ithebula 2-1.
Ukugeleza Kokulingisa
Ibhentshi lokuhlola lomsebenzisi linikezwe i-CoreJTAGSusa iphutha. Ukuze uqalise ukulingisa:
- Khetha ukugeleza kwe-testbench yomsebenzisi ngaphakathi kwe-SmartDesign.
- Chofoza okuthi Londoloza futhi Khiqiza kufasitelana elithi Khiqiza. Khetha ibhentshi lokuhlola lomsebenzisi ku-Core Configuration GUI.
Lapho i-SmartDesign ikhiqiza iphrojekthi ye-Libero, ifaka i-testbench yomsebenzisi files. Ukuze usebenzise i-testbench yomsebenzisi:
- Setha impande yokuklama ku-CoreJTAGUkufakwa kokususa iphutha kufasitelana le-Libero design hierarchy.
- Chofoza okuthi Qinisekisa Idizayini Eyakhiwe Ngaphambili > Lingisa kuwindi le-Libero Design Flow. Lokhu kuqala i-ModelSim futhi kuqhuba ngokuzenzakalelayo ukulingisa.
Synthesis in Libero
Ukuze usebenzise i-Synthesis:
- Chofoza isithonjana se-Synthesize efasiteleni le-Libero SoC Design Flow ukuze uhlanganise umongo. Kungenjalo, chofoza kwesokudla inketho ethi Synthesize kuwindi Lokugeleza Kwedizayini, bese ukhetha Vula Ngokusebenzisana. Iwindi le-Synthesis libonisa iphrojekthi ye-Synplify®.
- Chofoza isithonjana se-Run.
Qaphela: Ku-RTG4, kunesexwayiso esincishisiwe somcimbi wesikhashana (i-SET), esingashaywa indiva njengoba le IP isetshenziselwa izinjongo zokuthuthukisa kuphela futhi ngeke isetshenziswe endaweni ekhipha imisebe.
Indawo-Nomzila e-Libero
Lapho i-Synthesis isiqediwe, chofoza isithonjana Sendawo Nomzila ku-Libero SoC ukuze uqale inqubo yokubeka.
Ukuhlela idivayisi
Uma isici se-UJAG_SEC sisetshenziswa futhi i-EN_SEC inyuselwe ezingeni eliphezulu (iphinikhodi yokufaka idivayisi), kufanele ufinyelele I-Configure I/O States Phakathi No-J.TAG Isigaba sokuhlela Sokuklama Uhlelo ekugelezeni kwe-Libero futhi uqinisekise ukuthi I/0 State (Okukhiphayo Kuphela) yembobo ye-EN_SEC isethelwe ku-1.
Lokhu kulungiselelwa kuyadingeka ukuze ugcine ukufinyelela ku-JTAG imbobo yokuhlelwa kabusha kwedivayisi, ngoba inani elichaziwe le-Boundary Scan Register (BSR) likhipha noma iyiphi ileveli yangaphandle enengqondo ku-EN_SEC phakathi nokuhlelwa kabusha.
Ukuhlanganiswa Kwesistimu
Izigaba ezilandelayo zixoxa ngolwazi oluhlobene nokuhlanganiswa kwesistimu.
Idizayini Yezinga Lesistimu ye-IGLOO2/RTG4
Isibalo esilandelayo sibonisa izidingo zokuklama ukwenza i-JTAG ukulungiswa kweprosesa ye-softcore, etholakala kundwangu esuka kuSoftConsole kuya ku-JTAG isikhombimsebenzisi samadivayisi we-IGLOO2 kanye ne-RTG4.
Umfanekiso 5-1. I-RTG4/IGLOO2 JTAG Idizayini yokususa iphutha
Idizayini Yezinga Lesistimu ye-SmartFusion2
Isibalo esilandelayo sibonisa izidingo zokuklama ukwenza i-JTAG ukulungiswa kweprosesa ye-softcore, etholakala kundwangu esuka kuSoftConsole kuya ku-JTAG isikhombimsebenzisi samadivayisi we-SmartFusion2.
Umfanekiso 5-2. I-SmartFusion2 JTAG Idizayini yokususa iphutha
UJTAG_SEC
Kumndeni we-PolarFire wamadivayisi, lokhu kukhishwa kuvumela umsebenzisi ukuthi akhethe phakathi kwe-UJTAG kanye ne-UJTAG_SEC, i-UJTAG_SEC_EN ipharamitha ku-GUI izosetshenziswa ukukhetha ukuthi iyiphi efiswayo.
Umfanekiso olandelayo ukhombisa umdwebo olula omele ukuxhumana okubonakalayo kwe-UJTAG/UJTAG_SEC ku-PolarFire.
Umfanekiso 5-3. I-PolarFire UJTAG_SEC Imakhro
Izithiyo Zokuklama
Imiklamo nge-CoreJTAGUkususa iphutha kudinga ukuthi uhlelo lokusebenza lulandele izithiyo, ekugelezeni komklamo, ukuze kuvunyelwe ukuhlaziywa kwesikhathi ukuthi kusetshenziswe esizindeni sewashi le-TCK.
Ukwengeza imikhawulo:
- Uma Ukugeleza Kwesivimbelo Esithuthukisiwe ku-Libero v11.7 noma ngaphezulu kusetshenziswa, chofoza kabili Izithiyo > Phatha Izingqinamba efasiteleni le-DesignFlow bese uchofoza ithebhu Yesikhathi.
- Kuthebhu ye-Timing yewindi le-Constraint Manager, chofoza Okusha ukuze udale i-SDC entsha file, futhi igama elithi file. Izithiyo Zokuklama zihlanganisa izithiyo zomthombo wewashi ezingafakwa kule SDC engenalutho file.
- Uma i-Classic Constraint igeleza ku-Libero v11.7 noma ngaphezulu isetshenziswa, chofoza kwesokudla okuthi Dala Imikhawulo > I-Timing Constraint, efasiteleni Lokugeleza Kwedizayini, bese uchofoza okuthi Dala Ukucindezela Okusha. Idala i-SDC entsha file. Imikhawulo yokuklama ihlanganisa izithiyo zomthombo wewashi, ezifakwe kule SDC engenalutho file.
- Bala isikhathi se-TCK nengxenye yenkathi. I-TCK isethelwe ku-6 MHz uma ukulungisa iphutha kwenziwa nge-FlashPro, futhi isethelwe ku-30 MHz uma ukulungisa iphutha kusekelwa i-FlashPro5. Ngemva kokuba usuqedile lesi sinyathelo, faka lezi zingqinamba ku-SDC file:
create_clock -name { TCK } \- isikhathi TCK_PERIOD \
- i-waveform { 0 TCK_HALF_PERIOD } \ [ get_ports { TCK } ] Okwesiboneloample, lezi zingqinamba ezilandelayo zisetshenziswa kumklamo osebenzisa imvamisa ye-TCK engu-6 MHz.
create_clock -name { TCK } \ - isikhathi 166.67 \
- i-waveform { 0 83.33 } \ [ get_ports { TCK } ]
- Hlanganisa zonke izithiyo files ne-Synthesis, Indawo-kanye-Umzila, kanye Nokuqinisekisa Isikhathi stages kwe Umphathi Wokucindezela > Ithebhu yesikhathi. Lokhu kuqedwa ngokukhetha amabhokisi okuhlola ahlobene e-SDC files lapho kwafakwa khona izingqinamba
Umlando Wokubuyekeza
| Igama Lembobo | Ububanzi | Isiqondiso | Incazelo |
| JTAG TAP Ports | |||
| TDI | 1 | Okokufaka | Hlola Idatha Ngaphakathi. Okokufaka kwedatha ye-serial kusuka ku-TAP. |
| I-TCK | 1 | Okokufaka | Iwashi Lokuhlola. Umthombo wewashi kuzo zonke izici ezilandelanayo ngaphakathi kwe-CoreJTAGSusa iphutha. |
| I-TMS | 1 | Okokufaka | Khetha Imodi Yokuhlola. |
| I-TDO | 1 | Okukhiphayo | Hlola Idatha. Idatha ye-serial ephumayo ku-TAP. |
| I-TRSTB | 1 | Okokufaka | Ukusetha kabusha kokuhlola. Okokufaka okusebenzayo kokusetha kabusha okuphansi okuvela ku-TAP. |
| JTAG Izimbobo eziqondiwe ze-X | |||
| TGT_TDO_x | 1 | Okokufaka | Hlola idatha kusuka ku-debug target x ukuya ku-TAP. Xhuma embobeni ye-TDO eqondiwe. |
| TGT_TCK_x | 1 | Okukhiphayo | Okukhiphayo Kwewashi Lokuhlola ukuze kulungiswe iphutha x. I-TCK inyuselwe emhlabeni wonke, inethi ephansi etshekile ngaphakathi ngaphakathi kwe-CoreJTAGSusa iphutha. |
| TGT_TRST_x | 1 | Okukhiphayo | Ukusetha kabusha Ukuhlola Okusebenzayo Okuphezulu. Kusetshenziswa kuphela uma TGT_ACTIVE_HIGH_RESET_x =1 |
| TGT_TRSTN_x | 1 | Okukhiphayo | Ukusetha Kabusha Ukuhlola Okusebenzayo Nokuphansi. Kusetshenziswa kuphela uma TGT_ACTIVE_HIGH_RESET_x =0 |
| TGT_TMS_x | 1 | Okukhiphayo | Imodi yokuhlola Khetha okukhiphayo ukuze ulungise iphutha x. |
| TGT_TDI_x | 1 | Okukhiphayo | Hlola Idatha Ngaphakathi. Okokufaka kwedatha ye-serial kusuka ekuqondisweni kokususa iphutha x. |
| UJTAG_BYPASS_TCK_x | 1 | Okokufaka | Hlola okokufaka Kwewashi ukuze ulungise iphutha x kusuka kuphinikhodi ye-GPIO. |
| UJTAG_BYPASS_TMS_x | 1 | Okokufaka | Imodi Yokuhlola Khetha ukuze ulungise iphutha x kusuka kuphinikhodi ye-GPIO. |
| UJTAG_BYPASS_TDI_x | 1 | Okokufaka | Hlola Idatha Yangaphakathi, idatha ye-Serial ukuze ulungise iphutha eliqondiwe x ukusuka kuphinikhodi ye-GPIO. |
| UJTAG_BYPASS_TRSTTB_x | 1 | Okokufaka | Ukusetha kabusha kokuhlola. Setha kabusha okokufaka ukuze ulungise iphutha x kusuka kuphinikhodi ye-GPIO. |
| UJTAG_BYPASS_TDO_x | 1 | Okukhiphayo | Hlola Idatha Iphumile, idatha ye-serial evela kuthagethi yokususa iphutha x kusuka kuphinikhodi ye-GPIO. |
| Amachweba we-SEC | |||
| EN_SEC | 1 | Okokufaka | Inika amandla ukuphepha. Inika amandla idizayini yomsebenzisi ukuthi ibhale ngaphezulu i-TDI yangaphandle kanye nokokufaka kwe-TRSTB ku-TAP.Isexwayiso: Nakekela ngokukhethekile lapho uxhuma lesi sikhumulo. Bona inothi elingezansi kanye Nokuhlelwa Kwedivayisi ukuze uthole imininingwane eyengeziwe. |
| TDI_SEC | 1 | Okokufaka | Ukukhishwa kwezokuphepha kwe-TDI. Ikhipha okokufaka kwe-TDI kwangaphandle ku-TAP uma i-EN_SEC IKUPHEZULU. |
| TRSTB_SEC | 1 | Okokufaka | Ukukhishwa kwezokuphepha kwe-TRSTB. Ikhipha okokufaka kwe-TRSTB kwangaphandle ku-TAP uma i-SEC_EN IKUPHEZULU. |
| I-UTRSTB | 1 | Okukhiphayo | Hlola Setha Kabusha Monitor |
| I-UTMS | 1 | Okukhiphayo | Imodi yokuhlola Khetha i-Monitor |
I-Microchip Webindawo
I-Microchip inikeza ukusekelwa kwe-inthanethi nge-ethu webindawo ku www.microchip.com/. Lokhu webindawo isetshenziselwa ukwenza files kanye nolwazi olutholakala kalula kumakhasimende. Okunye okuqukethwe okutholakalayo kuhlanganisa:
- Ukwesekwa Komkhiqizo - Amashidi wedatha kanye nephutha, amanothi ohlelo lokusebenza kanye nezinomboloampizinhlelo, izinsiza zokuklama, imihlahlandlela yabasebenzisi kanye nemibhalo yokwesekwa kwezingxenyekazi zekhompuyutha, ukukhishwa kwesofthiwe yakamuva kanye nesofthiwe efakwe kungobo yomlando
- Ukusekela Okujwayelekile Kwezobuchwepheshe - Imibuzo Evame Ukubuzwa (FAQs), izicelo zokusekelwa kwezobuchwepheshe, amaqembu ezingxoxo eziku-inthanethi, uhlu lwamalungu ohlelo lukazakwethu we-Microchip design
- Ibhizinisi le-Microchip - Isikhethi somkhiqizo nemihlahlandlela yoku-oda, ukukhishwa kwakamuva kwe-Microchip, uhlu lwamasemina nemicimbi, uhlu lwamahhovisi okuthengisa e-Microchip, abasabalalisi nabamele imboni
Isevisi yesaziso sokushintsha umkhiqizo
Isevisi yesaziso sokushintsha umkhiqizo we-Microchip isiza ukugcina amakhasimende enolwazi ngemikhiqizo ye-Microchip. Ababhalisile bazothola isaziso se-imeyili noma nini lapho kukhona izinguquko, izibuyekezo, izibuyekezo noma iziphambeko ezihlobene nomndeni womkhiqizo othile noma ithuluzi lokuthuthukisa elithandwayo.
Ukuze ubhalise, yiya ku www.microchip.com/pcn bese ulandela imiyalelo yokubhalisa Ukwesekwa Kwamakhasimende Abasebenzisi bemikhiqizo ye-Microchip bangathola usizo ngeziteshi ezimbalwa:
- Umsabalalisi noma Ummeleli
- Ihhovisi Lokuthengisa Lendawo
- I-Embedded Solutions Engineer (ESE)Amakhasimende Osekelo Lobuchwepheshe kufanele axhumane nomsabalalisi wawo, ummeleli noma i-ESE ukuze bathole ukwesekwa. Amahhovisi okuthengisa endawo nawo ayatholakala ukuze asize amakhasimende. Uhlu lwamahhovisi okuthengisa nezindawo lufakiwe kulo mbhalo.
Ukwesekwa kwezobuchwepheshe kuyatholakala nge- webisayithi ku: www.microchip.com/support
Isici Sokuvikela Ikhodi Yamadivayisi e-Microchip
Qaphela imininingwane elandelayo yesici sokuvikela ikhodi kumadivayisi e-Microchip:
- Imikhiqizo ye-Microchip ihlangabezana nokucaciswa okuqukethwe ku-Microchip Data Sheet yayo.
- I-Microchip ikholelwa ukuthi umkhaya wayo wemikhiqizo uvikelekile uma usetshenziswa ngendlela ehlosiwe nangaphansi kwezimo ezivamile.
- Kunezindlela zokungathembeki futhi okungenzeka ukuthi ezingekho emthethweni ezisetshenziswayo emizamweni yokwephula izici zokuvikela amakhodi zamadivayisi we-Microchip. Sikholelwa ukuthi lezi zindlela zidinga ukusebenzisa imikhiqizo ye-Microchip ngendlela engaphandle kwemininingwane yokusebenza equkethwe ku-Data Sheets ye-Microchip. Imizamo yokwephula lezi zici zokuvikela ikhodi, cishe, ayikwazi ukufezwa ngaphandle kokwephula amalungelo empahla yengqondo ye-Microchip.
- I-Microchip izimisele ukusebenza nanoma yiliphi ikhasimende elikhathazekile ngobuqotho bekhodi yalo.
- I-Microchip nanoma yimuphi omunye umkhiqizi we-semiconductor ongaqinisekisa ukuphepha kwekhodi yayo. Ukuvikelwa kwekhodi akusho ukuthi siqinisekisa ukuthi umkhiqizo “awunakunqamuka.” Ukuvikelwa kwekhodi kuhlala kuvela njalo. Thina kwaMicrochip sizibophezele ekuthuthukiseni ngokuqhubekayo izici zokuvikela amakhodi zemikhiqizo yethu. Imizamo yokwephula isici sokuvikela ikhodi ye-Microchip ingase ibe ukwephulwa kwe-Digital Millennium Copyright Act. Uma izenzo ezinjalo zivumela ukufinyelela okungagunyaziwe kusofthiwe yakho noma omunye umsebenzi one-copyright, ungase ube nelungelo lokumangalela ukuze uthole usizo ngaphansi kwalowo Mthetho.
Isaziso Somthetho
Ulwazi oluqukethwe kulolu shicilelo luhlinzekelwe ngenjongo eyodwa yokuklama nokusebenzisa imikhiqizo ye-Microchip. Ulwazi olumayelana nezinhlelo zokusebenza zedivayisi nokunye okunjalo kunikezwa ukuze kube lula kuwe futhi kungase kuthathelwe indawo izibuyekezo. Kuyisibopho sakho ukuqinisekisa ukuthi isicelo sakho sihlangabezana nezicaciso zakho.
LOLU LWAZI LUNIKEZWA YI-MICROCHIP “NJENGOBA LUKHO”. I-MICROCHIP AYIKUMELELI
NOMA IZIQINISEKISO ZANOMA YILUPHI UHLOBO NOMA OKUSHIWO NOMA OKUSHIWO, OKUBHALWE NOMA OKULOMTHETHO, OKUMTHETHO.
NOMA OKUNYE, OKUPHATHELENE NOLWAZI LUHLANGANISA NAKHO KODWA AKUPHELELE KUNOMA YILUPHI OKUSHIWO
IZIQINISEKISO ZOKUNGEphuli-mthetho, IKHONO LOMTHENGI, NOKULUNGELA INHLOSO ETHILE NOMA IZIQINISEKISO EZIPHATHELENE NOMIMO WAYO, IKHWALITHI, NOMA UKUSEBENZA KWAYO. AKUKHO MCIMBI ONGAZOBA NESIbophezelo I-MICROCHIP NGANOMA YILUPHI ULWAZI NOMA OKUKHETHEKILE, OKWESIJEZISO, KWENZAKALO NOMA OKULANDELAYO, UMONAKALO, IINDLEKO NOMA IZINDLUMO ZANOMA YILUPHI UHLOBO OKUPHATHELENE NOLWAZI NOMA UKUSETSHENZISWA KWALO, NOMA KKUBANGELE IZELULEKO. NOMA UMONAKALO UYABONAKALELA. NGENXA ESIPHELELE KAKHULU ESIVUMELELWE UMTHETHO, ISIBOPHO SESIWONKE SE-MICROCHIP KUZO ZONKE IZINKINGA NGANOMA YIYIPHI INDLELA EPHATHANA NOLWAZI NOMA UKUSETSHENZISWA KWALO NGEKE KWEQE INANI LEZIMALI, UMA LIKHONA, OYIKHOKHE NGOKUQONDILE UKUZE UKWAZISE. Ukusetshenziswa kwamadivayisi e-Microchip ekusekeleni impilo kanye/noma izicelo zokuphepha kusengozini yomthengi ngokuphelele, futhi umthengi uyavuma ukuvikela, ukunxephezela nokubamba i-Microchip engenabungozi kunoma yimuphi nanoma yimuphi umonakalo, izimangalo, amasudi, noma izindleko ezibangelwa ukusetshenziswa okunjalo. Awekho amalayisensi adluliswayo, ngokusobala noma ngenye indlela, ngaphansi kwanoma imaphi amalungelo empahla yengqondo ye-Microchip ngaphandle kwalapho kushiwo ngenye indlela.
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Amadokhumenti / Izinsiza
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I-Microchip Technology CoreJTAGI-Debug processors [pdf] Umhlahlandlela Womsebenzisi I-CoreJTAGI-Debug processors, i-CoreJTAGSusa iphutha, Amaprosesa |
