MICROCHIP AN4229 Risc V Processor Subsystem

Product Information

Zvinotsanangurwa

• Zita reChigadzirwa: RT PolarFire
• Muenzaniso: AN4229
• processor Subsystem: RISC-V
• Simba Rinodiwa: 12V/5A AC simba adapta
• Interface: USB 2.0 A kusvika mini-B, Micro B USB 2.0

Mirayiridzo Yekushandiswa Kwechigadzirwa

Zvido zvekugadzira
Izvo hardware uye software zvinodiwa pakuvaka Mi-V processor subsystem ndeiyi inotevera:

• 12V/5A AC simba adapta uye tambo
• USB 2.0 A kusvika mini-B tambo
• Micro B USB 2.0 tambo
• Tarisa kune readme.txt file mukugadzira files yeshanduro dzese dzesoftware dzinodiwa

Design Prerequisites
Usati watanga maitiro ekugadzira, ita shuwa kuti anotevera matanho aitwa:

• [Rondedzero yezvinodiwa]

Dhizaini Dhizaini
MIV_RV32 iprocessor core yakagadzirirwa kuita iyo RISC-V yekuraira seti. Iyo yakakosha inogona kuitwa pane FPGA.

FAQ

• Mubvunzo: Ndezvipi zvinodiwa zvehardware zveRT PolarFire?
  A: Izvo zvinodiwa zve Hardware zvinosanganisira 12V/5A AC simba adapta uye tambo, USB 2.0 A kune mini-B tambo, uye Micro B USB 2.0 tambo.
• Mubvunzo: Chii chinonzi processor subsystem yeRT PolarFire?
  A: Iyo processor subsystem yakavakirwa pane iyo RISC-V yekuvakisa.

Nhanganyaya (Bvunza Mubvunzo)

Microchip inopa Mi-V processor IP uye software toolchain pasina muripo wekugadzira RISC-V processor yakavakirwa madhizaini. RISC-V yakajairika yakavhurika Instruction Set Architecture (ISA) pasi pekutonga kweRISC-V hwaro. Inopa akawanda mabhenefiti, ayo anosanganisira kugonesa yakavhurika-sosi nharaunda kuyedza uye kugadzirisa macores nekukurumidza pane yakavharwa ISAs. RT PolarFire® Field Programmable Gate Array (FPGAs) inotsigira Mi-V yakapfava processors kumhanya mushandisi application. Ichi chinyorwa chekushandisa chinotsanangura mavakirwo eMi-V processor subsystem kuti iite mushandisi application kubva kune yakasarudzwa TCM memory yakatangwa kubva kuSPI Flash.

Zvido zvekugadzira (Bvunza Mubvunzo)
Iyi tafura inotevera inonyora hardware uye software zvinodiwa pakuvaka Mi-V processor subsystem.

Tafura 1-1. Zvido zvekugadzira

Zvinodiwa	Tsanangudzo
Hardware Zvinodiwa
RT PolarFire® Development Kit (RTPF500TS-1CG1509M) 12V/5A AC magetsi adapta uye tambo USB 2.0 A kusvika mini-B tambo Micro B USB 2.0 tambo	ZVAKAZARURWA 1.0
Software Zvinodiwa
Libero® SoC FlashPro Express SoftConsole	Ona iyo readme.txt file mukugadzira files yemhando dzese dzesoftware dzinodiwa kugadzira iyo Mi-V referensi dhizaini

 Zvido zvekugadzira (Bvunza Mubvunzo)

Usati watanga, ita zvinotevera:

1. Dhaunirodha dhizaini yereferenzi files kubva kuRT PolarFire: Kuvaka RISC-V Processer Subsystem.
2. Dhawunirodha uye isa Libero® SoC kubva pane inotevera link: Libero SoC v2024.1 kana gare gare.

Tsanangudzo Yekugadzira (Bvunza Mubvunzo)

MIV_RV32 iprocessor core yakagadzirirwa kuita iyo RISC-V yekuraira seti. Iyo musimboti inogona kugadzirwa kuti ive neAHB, APB3, uye AXI3/4 mabhazi anosanganisirwa kune peripheral uye ndangariro kupinda. Nhamba inotevera inoratidza iyo yepamusoro-level block dhizaini yeMi-V subsystem yakavakirwa paRT PolarFire® FPGA.

Iyo mushandisi application ichaitwa paMi-V processor inogona kuchengetwa mune yekunze SPI Flash. Pamagetsi-kumusoro, mutongi wehurongwa anotanga TCM yakasarudzwa nemushandisi wekushandisa. Iyo system Reset inoburitswa mushure mekunge TCM yekutanga yapera. Kana iyo yekushandisa yakachengetwa muSPI Flash, iyo System Controller inoshandisa iyo SC_SPI interface yekuverenga mushandisi application kubva kuSPI Flash. Iyo yakapihwa mushandisi application inodhinda iyo UART meseji "Mhoro Nyika!" uye inobwaira ma LED emushandisi pabhodhi.

Hardware Implementation (Bvunza Mubvunzo)

Iyi inotevera nhamba inoratidza Libero dhizaini yeMi-V processor subsystem.

IP Blocks (Bvunza Mubvunzo)
Tafura inotevera inonyora IP zvidhinha zvinoshandiswa muMi-V processor subsystem reference dhizaini nebasa ravo.

Tafura 4-1. IP Blocks Tsananguro

IP Zita	Tsanangudzo
INIT_MONITOR	Iyo RT PolarFire® Initialization Monitor inowana chimiro chechishandiso uye ndangariro yekutanga
reset_syn	Iyi ndiyo CORARESET_PF IP instantiation inogadzira system-level synchronous Reset yeMi-V subsystem.
CCC_0	Iyo RT PolarFire Clock Conditioning Circuitry (CCC) block inotora wachi yekuisa ye160 MHz kubva kuPF_OSC block uye inogadzira 83.33 MHz machira wachi yeMi-V processor subsystem uye mamwe maperipheral.
MIV_RV32_C0 (Mi-V Soft Processor IP)	Iyo Mi-V yakapfava processor default Reset Vector Kero kukosha ndeye 0✕8000_0000. Mushure mekugadzirisazve mudziyo, processor inoita iyo application kubva 0✕8000_0000. TCM ndiyo ndangariro huru yeMi-V processor uye ine memory mepu kune 0✕8000_0000. Iyo TCM inotangwa neyemushandisi application iyo yakachengetwa muSPI Flash. Mune iyo Mi-V processor memory mepu, iyo 0✕8000_0000 kusvika 0✕8000_FFFF renji inotsanangurwa TCM memory interface uye iyo 0✕7000_0000 kusvika 0✕7FFF_FFFF renji inotsanangurwa yeiyo APB interface.
MIV_ESS_C0_0	Iyi MIV Yakawedzerwa Subsystem (ESS) inoshandiswa kutsigira GPIO uye UART
CoreSPI_C0_0	CoreSPI inoshandiswa kuronga yekunze SPI Flash
PF_SPI	PF_SPI macro inopindirana nejira remachira kune yekunze SPI Flash, iyo yakabatana neSystem Controller
PF_OSC	PF_OSC iri pabhodhi oscillator iyo inogadzira 160 MHz yekubuda wachi

Zvakakosha: Yese IP mushandisi dhairekitori uye mabhuku emaoko anowanikwa kubva kuLibero SoC> Catalog

Memory Mepu (Bvunza Mubvunzo)
 Tafura inotevera inoronga mepu yendangariro yendangariro uye maperipherals.

Tafura 4-2. Memory Mepu Tsananguro

Peripherals	Kutanga Kero
TCM	0x8000_0000
MIV_ESS_UART	0x7100_0000
MIV_ESS_GPIO	0x7500_0000

Software Implementation (Bvunza Mubvunzo)

Microchip inopa SoftConsole toolchain kuvaka RISC-V mushandisi application executable (.hex) file uye gadzirisa. The reference design files inosanganisira iyo Firmware workspace iyo ine MiV_uart_blinky software chirongwa. Iyo MiV_uart_blinky mushandisi application yakarongwa pane yekunze SPI Flash uchishandisa Libero® SoC. Iyo yakapihwa mushandisi application inodhinda iyo UART meseji "Mhoro Nyika!" uye inobwaira ma LED emushandisi pabhodhi.

Sekureva kweLibero SoC dhizaini mepu yekurangarira, iyo UART uye GPIO peripheral kero yakamisikidzwa kune 0x71000000 uye 0x75000000, zvichiteerana. Ruzivo urwu rwunopihwa mu hw_platform.h file sezvinoratidzwa mumufananidzo unotevera.

Iko kushandiswa kwemushandisi kunofanirwa kuitwa kubva kuTCM ndangariro (kodhi, data, uye stack). Naizvozvo, iyo RAM kero mune linker script inoiswa kune yekutanga kero yeTCM ndangariro sezvakaratidzwa mumufananidzo unotevera.

Iyo linker script (miv-rv32-ram.ld) inowanikwa muFW\MiV_uart_blinky\miv_rv32_hal folda yedhizaini. files. Kuvaka mushandisi application, ita zvinotevera matanho:

1. Gadzira chirongwa cheMi-V SoftConsole
2. Dhaunirodha MIV_RV32 HAL files uye vatyairi kubva kuGitHub vachishandisa chinongedzo sezvinotevera: github.com/Mi-V-Soft-RISC-V/platform
3. Ngenisa madhiraivha e firmware
4. Gadzira chikuru.c file nekodhi yekushandisa
5. Mepu firmware driver uye linker script
6. Mepu ndangariro uye peripheral kero
7. Gadzira application

Kuti uwane rumwe ruzivo nezve matanho aya, ona AN4997: PolarFire FPGA Kuvaka Mi-V processor Subsystem. The .hex file inogadzirwa mushure mekubudirira kuvaka uye inoshandiswa pakugadzira uye ndangariro yekutanga kumisikidzwa muRunning the Demo.

 Kumisikidza Demo (Bvunza Mubvunzo)

Kuti uise demo, ita zvinotevera:

1. Kugadzika Hardware
2. Kumisikidza iyo Serial Terminal (Tera Term)

Kugadzirisa Hardware (Bvunza Mubvunzo)
Zvakakosha: Mi-V application debugging uchishandisa SoftConsole debugger haishande kana System Controller Suspend Mode ikagoneswa. Iyo System Controller Suspend Mode yakavharwa kune iyi dhizaini kuratidza Mi-V application.

Kuseta Hardware, ita nhanho dzinotevera:

1. Dzima bhodhi uchishandisa SW7 switch.
2. Vhura J31 jumper kushandisa yekunze FlashPro programmer kana Vhara J31 jumper kushandisa yakamisikidzwa FlashPro programmer.
   Zvakakosha: Yakamisikidzwa Flash Pro Programmer inogona kungoshandiswa kuProgramming kuburikidza neLibero kana FPExpress haigone kushandiswa kugadzirisa Mi-V yakavakirwa Chikumbiro.
3. Batanidza PC inotambira kuJ24 yekubatanidza uchishandisa USB tambo.
4. Kugonesa iyo SC_SPI, 1-2 mapini ejumper J8 anofanira kuvharwa.
5. Batanidza FlashPro programmer kuJ3 chinongedzo (JTAG header) uye shandisa imwe USB tambo kubatanidza FlashPro programmer kune Yekubatira PC.
6. Ita shuwa kuti iyo USB kune UART madhiraivha mabhiriji anongoonekwa otomatiki, ayo anogona kusimbiswa kuburikidza nemudziyo maneja paPC inotambira.
   Zvakakosha: Sezvinoratidzwa muMufananidzo 6-1, nzvimbo yechiteshi cheCOM16 inoratidza kuti yakabatana ne USB serial port. Nekudaro, COM16 inosarudzwa mune iyi example. Iyo COM port nhamba ndeye system chaiyo. Kana iyo USB kune UART bhiriji madhiraivha asina kuisirwa, dhawunirodha uye isa madhiraivha kubva www.microchip.com/en-us/product/mcp2200.
7. Batanidza magetsi kuJ19 connector uye chinja PANE magetsi uchishandisa chinja SW7.

 

Kumisikidza Iyo Serial Terminal (Tera Term) (Bvunza Mubvunzo)
Iyo mushandisi application (MiV_uart_blinky.hex file) inodhinda “Mhoro Nyika!” meseji pane serial terminal kuburikidza neiyo UART interface.

Kumisikidza serial terminal, ita nhanho dzinotevera:

1. Tangisa Tera Nguva paPC Yekugamuchira.
2. Sarudza iyo yakazivikanwa COM Port muTera Term sezvakaratidzwa mumufananidzo unotevera.
3. Kubva paMenu bar, sarudza Setup> Serial port kumisikidza iyo COM port.
4. Seta iyo Speed ​​​​(baud) ku115200 uye Flow Control kune imwe uye tinya pane Nyowani yekumisikidza sarudzo sezvakaratidzwa mumufananidzo unotevera.

Mushure mekunge serial terminal yagadzikwa, nhanho inotevera kuronga iyo RT PolarFire® mudziyo.

Kumhanyisa Demo (Bvunza Mubvunzo)

Kumhanyisa demo, ita zvinotevera matanho:

1. Kugadzira iyo TCM Initialization Client
2. Kugadzira iyo RT PolarFire® Chishandiso
3. Kugadzira iyo SPI Flash Image
4. Kugadzira iyo SPI Flash

Kugadzira iyo TCM Initialization Client (Bvunza Mubvunzo)
Kutanga iyo TCM muRT PolarFire® uchishandisa system controller, yemunharaunda paramita l_cfg_hard_tcm0_en mu miv_rv32_subsys_pkg.v file inofanira kuchinjwa kuva 1'b1 pamberi peSynthesis. Kuti uwane rumwe ruzivo, ona MIV_RV32 User Guide.

MuLibero® SoC, iyo Configure Dhizaini Initialization Dhata uye Memories sarudzo inogadzira iyo TCM yekutanga mutengi uye inoiwedzera kune sNVM, μPROM, kana yekunze SPI Flash, zvichibva pamhando yekusagadzikana yekuyeuka yakasarudzwa. Mune ino chinyorwa chekushandisa, TCM yekutanga mutengi inochengetwa muSPI Flash. Iyi nzira inoda kuti mushandisi application iite file (.hex file) The hex file (*.hex) inogadzirwa uchishandisa SoftConsole application project. A sample mushandisi application inopihwa pamwe chete nedhizaini files. Chishandiso chemushandisi file (.hex) inosarudzirwa kugadzira TCM yekutanga mutengi uchishandisa anotevera matanho:

1. Tanga Libero® SoC uye shandisa script.tcl (Appendix 2: Running the TCL Script).
2. Sarudza Gadzira Dhizaini Yekutanga Dhata uye Memori> Libero Dhizaini Inoyerera.
3. Pane iyo Fabric RAMs tab, sarudza iyo TCM muenzaniso uye kaviri-tinya pairi kuti uvhure iyo Rongedza Fabric RAM Initialization Client dialog box, sezvakaratidzwa mumufananidzo unotevera.
4. Muiyo Edit Fabric RAM Initialization Client dialog box, isa Storage type kuSPI-Flash. Wobva wasarudza Zvemukati kubva file wobva wadzvanya bhatani reKupinza (…) sezvinoratidzwa mumufananidzo unotevera.

Kugadzira iyo RT PolarFire Chishandiso (Bvunza Mubvunzo)

• The reference design files inosanganisira iyo Mi-V processor subsystem chirongwa chakagadzirwa uchishandisa Libero® SoC. Iyo RT PolarFire® mudziyo unogona kurongwa uchishandisa Libero SoC.
• Iyo Libero SoC dhizaini inoyerera inoratidzwa mumufananidzo unotevera.

Kuronga mudziyo weRT PolarFire, vhura iyo Mi-V processor subsystem Libero purojekiti, iyo inogadzirwa uchishandisa yakapihwa TCL zvinyorwa muLibero SoC, uye tinya kaviri Run Chirongwa Chiito.

Kugadzira iyo SPI Flash Image (Bvunza Mubvunzo)

• Kuti ugadzire mufananidzo weSPI Flash, tinya kaviri Gadzira SPI Flash Image pane Dhizaini Inoyerera tab.
• Kana iyo SPI Flash mufananidzo yagadzirwa zvinobudirira, yegirinhi tick mucherechedzo unooneka padivi peGadzira SPI Flash Image.

Kugadzira iyo SPI Flash (Bvunza Mubvunzo)
Kuronga iyo SPI Flash mufananidzo, ita zvinotevera matanho:

1. Tinya kaviri Mhanya PROGRAM_SPI_IMAGE paDesign Flow tab.
2. Dzvanya Hongu mubhokisi rekutaura.

• Kana iyo SPI mufananidzo wakanyatso kurongwa pamudziyo, mucherechedzo wegirinhi wetiki unoonekwa padivi peMhanya PROGRAM_SPI_IMAGE.
• Mushure meSPI Flash programming yapera, TCM yakagadzirira. Nekuda kweizvozvo, maLED 1, 2, 3, uye 4 anobwaira, ipapo madhinda anoonekwa pane serial terminal, sezvakaratidzwa mumufananidzo unotevera.
  

Izvi zvinopedzisa demo.
Iyo RT PolarFire® mudziyo uye SPI Flash inogona zvakare kurongwa uchishandisa FlashPro Express, ona Appendikisi 1: Kugadzira iyo RT PolarFire Chishandiso uye SPI Flash Uchishandisa FlashPro Express.

 Appendikisi 1: Kugadzira iyo RT PolarFire Chishandiso uye SPI Flash Uchishandisa FlashPro Express (Bvunza Mubvunzo)

The reference design files inosanganisira basa rekugadzira file yekugadzira RT PolarFire® mudziyo uchishandisa FlashPro Express. Basa iri file inosanganisirawo iyo SPI Flash mufananidzo, inova TCM yekutanga mutengi. FlashPro Express inoronga zvese RT PolarFire mudziyo uye SPI Flash ine chirongwa ichi .job file. The programming .job file inowanikwa kuDesignFiles_directory\Programming_files.

Kuronga iyo RT PolarFire mudziyo nehurongwa file uchishandisa FlashPro Express, ita zvinotevera:

1. Gadzirisa iyo Hardware, ona Kumisikidza Hardware.
2. PaPC inotambira, tanga iyo FlashPro Express software.
3. Kuti ugadzire purojekiti yebasa idzva, tinya Nyowani kana sarudza New Job Project kubva kuFlashPro Express Job kubva kuMenu yeProjekti.
4. Isa zvinotevera mubhokisi rekutaura:
   • Programming basa file: Tinya Bhurawuza uye famba uchienda kunzvimbo ine .job file iripo uye sarudza iyo file. Basa file inowanikwa kuDesignFiles_directory\Programming_files.
   • FlashPro Express basa reprojekiti nzvimbo: Dzvanya Bhurawuza uye famba uchienda kunzvimbo yaunoda kuchengetedza purojekiti.
5. Dzvanya OK. Iyo inodiwa programming file inosarudzwa uye yakagadzirira kurongwa.
6. Iwindo reFlashPro Express rinoonekwa sezvinoratidzwa mumufananidzo unotevera. Simbisa kuti nhamba yepurogiramu inoonekwa mundima yeProgrammer. Kana zvikasadaro, tarisa mabhodhi ekubatanidza uye tinya Refresh/Rescan Programmers.
7. Dzvanya RUN. Kana mudziyo ukarongwa zvinobudirira, chimiro cheRUN PASSED chinoratidzwa sezvakaratidzwa mumufananidzo unotevera.

Izvi zvinopedzisa RT PolarFire mudziyo uye SPI Flash programming. Mushure mekugadzira bhodhi, ona "Mhoro Nyika!" meseji yakadhindwa pane iyo UART terminal uye nekubwaira kwevashandisi maLED.

 Appendikisi 2: Kumhanyisa TCL Script (Bvunza Mubvunzo)

TCL zvinyorwa zvinopihwa mukugadzira files folda pasi pedhairekitori HW. Kana zvichidikanwa, kuyerera kwedhizaini kunogona kudzokororwa kubva Kudhizaini Implementation kusvika chizvarwa chebasa file.

Kumhanyisa TCL, ita zvinotevera:

1. Tangisa Libero software.
2. Sarudza Project> Execute Script…..
3. Dzvanya Bhurawuza uye sarudza script.tcl kubva pane HW dhairekitori yakatorwa.
4. Dzvanya Run.

Mushure mekubudirira kwekuita kweTCL script, Libero chirongwa chinogadzirwa mukati meHW dhairekitori.

• Kuti uwane rumwe ruzivo nezveTCL zvinyorwa, ona rtpf_an4229_df/HW/TCL_Script_readme.txt. Kuti uwane rumwe ruzivo nezve TCL mirairo, ona Tcl Commands Reference Guide. Bata Microchip
• Tsigiro yeTekinoroji kune chero mibvunzo yakasangana, uchimhanyisa TCL script.

 Revision History (Bvunza Mubvunzo)

Tafura yenhoroondo yekudzokorora inotsanangura shanduko dzakaitwa mugwaro. Kuchinja kwacho kunorongwa nekudzokorora, kutanga nebhuku razvino uno.

Tafura 10-1. Revision History

Kudzokorora	Date	Tsanangudzo
B	10/2024	Inotevera rondedzero yekuchinja kwakaitwa mudzokororo B yegwaro: Yakagadziridza iyo bhodhi revision muTafura 1-1 Yakawedzera Mi-V ESS uye CoreSPI kune Mufananidzo 3-1 muChikamu Tsanangudzo chikamu Yakawedzera MIV_ESS_C0_0 uye CoreSPI_C0_0 mabhuroko muTafura 4-1 muIP Blocks chikamu. Yakagadziridza kukosha kweKero yekutanga muTafura 4-2 Yakagadziridzwa Mufananidzo 5-1 uye Mufananidzo 5-2 muchikamu cheSoftware Implementation Yakawedzera chiziviso chine chekuita nesystem controller kumisa modhi, yakawedzera jumper marongero eSPI Gonesa uye FlashPro programming (ingave yakamisikidzwa kana yekunze) mumatanho ekumisa iyo Hardware chikamu. Yakavandudzwa Mufananidzo 6-1, Figure 6-2, uye Figure 6-3 muKugadza Seri Terminal (Tera Term) chikamu. Yakavandudzwa Mufananidzo 7-1 uye Mufananidzo 7-2 muKugadzira iyo TCM Initialization Client chikamu Yakagadziridzwa Mufananidzo 7-4 muKuronga chikamu cheSPI Flash Yakawedzerwa Appendikisi 2: Kumhanyisa chikamu cheTCL Script
A	10/2021	Kuburitswa kwekutanga kwegwaro iri

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• ISBN: 978-1-6683-0441-9

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Application Note
© 2024 Microchip Technology Inc. nemasangano ayo

Zvinyorwa / Zvishandiso

MICROCHIP AN4229 Risc V Processor Subsystem [pdf] Bhuku reMushandisi AN4229, AN4229 Risc V Processor Subsystem, AN4229, Risc V processor Subsystem, processor Subsystem, Subsystem

References

• User Manual