Microsemi DG0669 SmartFusion2 Code Shadowing kuchokera ku SPI Flash kupita ku LPDDR Memory

Zambiri Zamalonda

SmartFusion2 SoC FPGA ndi njira yogwira ntchito kwambiri, yotsika mphamvu ya FPGA yomwe imaphatikizira purosesa ya ARM Cortex-M3, zida za analogi ndi digito, komanso kulumikizana kothamanga kwambiri pa chip chimodzi. Pulogalamu ya Libero SoC v11.7 ndi dongosolo lathunthu lopanga kupanga ndi Microsemi FPGAs.

Kugwiritsa Ntchito Mankhwala

Kuti mugwiritse ntchito SmartFusion2 SoC FPGA yokhala ndi code shadowing kuchokera ku SPI Flash kupita ku LPDDR memory, tsatirani izi:

Mawu Oyamba

Cholinga
Chiwonetserochi ndi cha SmartFusion®2 system-on-chip (SoC) field programmable gate array (FPGA). Limapereka malangizo amomwe mungagwiritsire ntchito kalembedwe kofananirako.

Omvera Ofuna

Chiwonetserochi ndi cha:

• Opanga FPGA
• Okonza ophatikizidwa
• Okonza dongosolo

Maumboni
Onani zotsatirazi web tsamba la mndandanda wathunthu komanso waposachedwa wa zolembedwa za chipangizo cha SmartFusion2: http://www.microsemi.com/products/fpga-soc/soc-fpga/sf2docs
Zolemba zotsatirazi zikutchulidwa mu bukhuli.

• UG0331: SmartFusion2 Microcontroller Subsystem User Guide
• SmartFusion2 System Builder User Guide

SmartFusion2 SoC FPGA - Code Shadowing kuchokera ku SPI Flash kupita ku LPDDR Memory

Mawu Oyamba
Kapangidwe kachiwonetsero kameneka kakuwonetsa kuthekera kwa chipangizo cha SmartFusion2 SoC FPGA pakujambula kachidindo kuchokera pa chipangizo cha serial peripheral interface (SPI) flash memory mpaka low power double data rate (LPDDR) synchronous dynamic random access memory (SDRAM) ndikugwiritsa ntchito code kuchokera ku LPDDR SDRAM. Chithunzi 1 chikuwonetsa chojambula chapamwamba chazithunzi zazithunzi kuchokera pa chipangizo cha SPI kupita ku kukumbukira kwa LPDDR.

Chithunzi 1 Chojambula cha Block-Level Pamwamba cha Demo

Kujambula ma code ndi njira yoyambira yomwe imagwiritsidwa ntchito poyendetsa chithunzi kuchokera pazikumbukiro zakunja, zachangu, komanso zosinthika (DRAM). Ndiko kukopera kachidindo kuchokera ku kukumbukira kosasunthika kupita ku kukumbukira kosasinthika kuti aphedwe. Kujambula kwa code kumafunika, pamene kukumbukira kosasunthika komwe kumagwirizanitsidwa ndi purosesa sikuthandiza kupeza mwachisawawa kwa code yopangira-pamalo, kapena palibe kukumbukira kosasunthika kosasunthika kosasinthika. M'mapulogalamu ofunikira kwambiri, liwiro la kupha litha kupitilizidwa ndi shadowing code, pomwe kachidindo kamakopera ku RAM yapamwamba kwambiri kuti igwire mwachangu. Single data rate (SDR)/DDR SDRAM zokumbukira zimagwiritsidwa ntchito m'mapulogalamu omwe ali ndi chithunzi chachikulu chomwe chimatha kugwiritsidwa ntchito ndipo chimafuna magwiridwe antchito apamwamba. Nthawi zambiri, zithunzi zazikulu zomwe zingagwiritsidwe ntchito zimasungidwa mu kukumbukira kosasinthika, monga NAND flash kapena SPI flash, ndikukopera kukumbukira kosakhazikika, monga kukumbukira kwa SDR / DDR SDRAM, pamphamvu kuti aphedwe. Zida za SmartFusion2 zimaphatikiza nsalu ya FPGA ya m'badwo wachinayi, purosesa ya ARM® Cortex®-M3, ndi njira zoyankhulirana zogwira ntchito kwambiri pa chip chimodzi. Olamulira othamanga kwambiri pazida za SmartFusion2 amagwiritsidwa ntchito kuti agwirizane ndi zokumbukira zakunja za DDR2/DDR3/LPDDR. Kukumbukira kwa LPDDR kumatha kuyendetsedwa pa liwiro lalikulu la 166 MHz. Purosesa ya Cortex-M3 imatha kuyendetsa mwachindunji malangizo kuchokera pamtima wa DDR wakunja kudzera pa microcontroller subsystem (MSS) DDR (MDDR). FPGA Cache Controller ndi MSS DDR mlatho imayendetsa kayendedwe ka data kuti igwire bwino ntchito.

Zofunikira Zopanga
Onetsetsani kuti muli ndi zofunikira zotsatirazi za hardware ndi mapulogalamu:

Zofunikira pa Hardware ndi Mapulogalamu

Table 1 Zofunikira Zopanga

Zofunikira Zopanga	Kufotokozera
Zofunikira pa Hardware
SmartFusion2 Security Evaluation Kit: • Adapter ya 12 V • FlashPro4 • USB A mpaka Mini - B Chingwe cha USB	Rev D kapena kenako
Host PC kapena Laputopu	Windows XP SP2 Operating System - 32-/64-bit Windows 7 Operating System - 32-/64-bit
Zofunikira papulogalamu
Libero® System-on-Chip (SoC)	v11.7
FlashPro Programming Software	v11.7
SoftConsole	v3.4 SP1*
Host PC Driver	USB kupita ku madalaivala a UART
Ndondomeko yoyambitsa GUI yachiwonetsero	Microsoft .NET Framework 4 Client poyambitsa GUI yowonetsera
Zindikirani: *Pa kalozera wamawonetserowa, SoftConsole v3.4 SP1 imagwiritsidwa ntchito. Pogwiritsa ntchito SoftConsole v4.0, onani TU0546: SoftConsole v4.0 ndi Libero SoC v11.7 Maphunziro.

• SmartFusion2 Development Kit
• Pulogalamu ya Libero SoC v11.7
• USB Blaster kapena USB Blaster II chingwe

Demo Design
Mawonekedwe a demo amagwiritsa ntchito ma multi-stage boot process njira kapena njira ya injini ya boot ya hardware kuti mukweze chithunzi cha pulogalamu kuchokera ku SPI flash kupita ku LPDDR memory. Tsatirani njira zotsatirazi: Kamangidwe files zilipo kuti mutsitse kuchokera panjira yotsatirayi mu Microsemi webtsamba: http://soc.microsemi.com/download/rsc/?f=m2s_dg0669_liberov11p7_df

Kupanga files zikuphatikizapo:
Mawonekedwe a demo files zikuphatikizapo:

• Sample zithunzi za ntchito
• Kupanga mapulogalamu files
• Libero
• GUI yokhazikika
• Linker scripts
• DDR kasinthidwe files
• Readme.txt file

SmartFusion2 SoC FPGA - Code Shadowing kuchokera ku SPI Flash kupita ku LPDDR Memory Chithunzi 2 chikuwonetsa kapangidwe kapamwamba kapangidwe files. Kuti mudziwe zambiri, onani Readme.txt file.

Chithunzi 2 Kupanga Files Kapangidwe kapamwamba

Demo Design Description

Kapangidwe kachiwonetsero kameneka kamagwiritsa ntchito njira yolumikizira ma code kuti ayambitse chithunzi cha pulogalamuyo kuchokera pamtima wa DDR. Kapangidwe kameneka kamaperekanso mawonekedwe ochitira pa SmartFusion2 SoC FPGA multi-mode universal asynchronous/synchronous receiver/transmitter (MMUART) kuti ikweze chithunzi chomwe chingagwiritsidwe ntchito mu SPI flash yolumikizidwa ndi mawonekedwe a MSS SPI0.
Kujambula kwa code kumayendetsedwa m'njira ziwiri izi:

• Zambiri-stage boot process njira pogwiritsa ntchito purosesa ya Cortex-M3
• Njira ya injini ya boot ya Hardware pogwiritsa ntchito nsalu ya FPGA.

Zambiri-Stage Boot Process Njira

1. Pangani chithunzi cha pulogalamu ya DDR memory pogwiritsa ntchito pulogalamu ya Libero SoC.
2. Kwezani SPI Flash loader mu SPI flash pogwiritsa ntchito pulogalamu ya Libero SoC.
3. Thamangani Code Shadowing Demo GUI kuti mukonzekere FPGA ndikuyika chithunzi cha pulogalamu kuchokera ku SPI flash kupita ku LPDDR memory.

Chithunzi chojambulidwa chimayendetsedwa kuchokera ku kukumbukira kwakunja kwa DDR m'ma boot awiri otsatirawatages:

• Purosesa ya Cortex-M3 imayambitsa chojambulira cha boot chofewa kuchokera ku kukumbukira kosasunthika (eNVM), komwe kumapangitsa kusamutsa zithunzi kuchokera ku chipangizo cha SPI kupita ku DDR kukumbukira.
• Purosesa ya Cortex-M3 imayambitsa chithunzi cha pulogalamuyo kuchokera pamtima wa DDR.

Kapangidwe kameneka kamagwiritsa ntchito pulogalamu ya bootloader kuti ikweze chithunzi chomwe chikuyenera kuchitika kuchokera pa chipangizo cha SPI kupita ku DDR kukumbukira. Dongosolo la bootloader lomwe likuyenda kuchokera ku eNVM limalumphira ku pulogalamu yomwe yasungidwa mu memory ya DDR pambuyo poti chithunzi cha pulogalamu yomwe mukufuna koperedwa ku kukumbukira kwa DDR.

Chithunzi 3 Code Shadowing Multi-Stage Boot Process Demo Block Diagram

MDDR idakonzedwa kuti LPDDR igwire ntchito pa 166 MHz. "Zowonjezera: Zosintha za LPDDR" patsamba 22 zikuwonetsa makonda a LPDDR. DDR imakonzedwa musanapereke nambala yayikulu yogwiritsira ntchito.

Bootloader

Bootloader imagwira ntchito zotsatirazi:

1. Kutengera chithunzi chomwe mukufuna kuchokera ku SPI flash memory kupita ku DDR memory.
2. Kukonzanso kukumbukira kwa DDR kuyambira 0xA0000000 mpaka 0x00000000 pokonza kaundula wa DDR_CR.
3. Kuyambitsa Cortex-M3 processor stack pointer malinga ndi zomwe mukufuna. Malo oyamba a tebulo la vector yomwe mukufuna kugwiritsa ntchito ili ndi mtengo wa pointer stack. Gome la vekitala la zomwe mukufuna likupezeka kuyambira pa adilesi 0x00000000.
4. Kutsegula kauntala ya pulogalamu (PC) kuti mukhazikitsenso chogwirizira cha pulogalamu yomwe mukufuna kuti mugwiritse ntchito chithunzi chomwe mukufuna kuchokera pamtima wa DDR. Bwezeretsani chogwirizira cha zomwe mukufuna kugwiritsa ntchito likupezeka patebulo la vector pa adilesi 0x00000004.

Chithunzi 4 Kuyenda Kwamapangidwe a Multi-Stage Boot Process Njira

Njira ya Hardware Boot Injini

1. Pangani binary yotheka file pogwiritsa ntchito pulogalamu ya Libero SoC.
2. Kwezani binary file mu SPI flash pogwiritsa ntchito pulogalamu ya Libero SoC.
3. Thamangani Mapangidwe a Hardware Boot Engine kuti mukonzekere FPGA ndikuyika chithunzi cha pulogalamu kuchokera ku SPI flash kupita ku LPDDR memory.

Mwanjira iyi, Cortex-M3 imatsegula mwachindunji chithunzi chomwe mukufuna kuchokera kuzikumbutso zakunja za DDR. Injini ya boot ya hardware imakopera chithunzi cha ntchito kuchokera ku chipangizo cha SPI flash kupita ku DDR kukumbukira, musanatulutse purosesa ya Cortex-M3. Pambuyo pomasula kukonzanso, purosesa ya Cortex-M3 imayambira molunjika kuchokera ku DDR memory. Njirayi imafuna nthawi yocheperako yoyambira kuposa ma multi-stage boot process popeza imapewa ma boot angapotages ndikukopera chithunzi cha pulogalamu ku DDR kukumbukira nthawi yocheperako. Kapangidwe kachiwonetsero kameneka kamagwiritsa ntchito malingaliro a injini ya boot munsalu ya FPGA kuti atengere chithunzi chomwe chingagwiritsidwe ntchito kuchokera ku SPI flash kupita ku DDR kukumbukira. Kapangidwe kameneka kamagwiritsanso ntchito SPI flash loader, yomwe imatha kupangidwa ndi purosesa ya Cortex-M3 kuti ikweze chithunzi chomwe chingagwiritsidwe ntchito pa chipangizo cha SPI flash pogwiritsa ntchito mawonekedwe omwe aperekedwa pa SmartFusion2 SoC FPGA MMUART_1. DIP switch1 pa SmartFusion2 Security Evaluation Kit ingagwiritsidwe ntchito kusankha ngati mungakonzere chipangizo cha SPI flash kapena kugwiritsa ntchito code kuchokera ku DDR memory. Ngati pulogalamu yomwe ingagwiritsidwe ntchito ikupezeka mu chipangizo cha SPI flash, kujambula kachidindo kuchokera ku chipangizo cha SPI kupita ku DDR kukumbukira kumayambika pamagetsi. Injini ya boot imayambitsa MDDR, kukopera Chithunzicho kuchokera ku chipangizo cha SPI flash kupita ku DDR kukumbukira, ndikubwezeretsanso malo okumbukira DDR kukhala 0x00000000 posunga purosesa ya Cortex-M3. Injini ya boot ikatulutsa kukonzanso kwa Cortex-M3, Cortex-M3 imagwira ntchito yomwe mukufuna kuchokera pamtima wa DDR. Chithunzi 5 chikuwonetsa chojambula chatsatanetsatane cha mawonekedwe owonetsera. FIC_0 imakonzedwa munjira ya Akapolo kuti ipeze MSS SPI_0 kuchokera ku FPGA nsalu AHB master. Mawonekedwe a MDDR AXI (DDR_FIC) amathandizidwa kuti azitha kukumbukira DDR kuchokera ku FPGA nsalu AXI master.

Chithunzi cha 5 Code Shadowing Hardware Boot Engine Demo Block Diagram

Boot Injini
Ili ndiye gawo lalikulu lachiwonetsero chazithunzi chomwe chimakopera chithunzi cha pulogalamu kuchokera ku chipangizo cha SPI flash kupita ku kukumbukira kwa DDR. Injini ya boot imagwira ntchito zotsatirazi:

1. Kuyambitsa MDDR kuti mupeze LPDDR pa 166 MHz posunga purosesa ya Cortex-M3 poyambiranso.
2. Kutengera chithunzi chomwe mukufuna kugwiritsa ntchito kuchokera ku chipangizo cha SPI flash memory kupita ku DDR memory pogwiritsa ntchito AXI master mu nsalu ya FPGA kudzera pa MDDR AXI mawonekedwe.
3. Kukonzanso kukumbukira kwa DDR kuyambira 0xA0000000 mpaka 0x00000000 polembera ku DDR_CR kaundula.
4. Kutulutsa kukonzanso ku Cortex-M3 purosesa kuti iyambike kuchokera ku DDR memory.

Chithunzi 6 Kupanga Kuyenda kwa Hardware Boot Engine Njira

Kupanga Target Application Image ya DDR Memory

Chithunzi chomwe chikhoza kuchitidwa kuchokera ku DDR kukumbukira chikufunika kuti chiwonetsedwe. Gwiritsani ntchito mafotokozedwe a ulalo wa production-execute-in-place-externalDDR.ld file zomwe zikuphatikizidwa mu kapangidwe kake files kupanga chithunzi cha pulogalamu. Kufotokozera kolumikizira uku file imatanthawuza adilesi yoyambira ya DDR ngati 0x00000000 popeza chojambulira kapena injini yoyambira imapanganso kukumbukira kwa DDR kuchokera ku 0xA0000000 mpaka 0x00000000. Cholembera cholumikizirachi chimapanga chithunzi cha pulogalamu yokhala ndi malangizo, data, ndi magawo a BSS kukumbukira omwe adilesi yake yoyambira ndi 0x00000000. Chithunzi chosavuta chotulutsa magetsi (LED) kuthwanima, chowerengera nthawi ndi kusintha kotengera kusokoneza kwa pulogalamu ya m'badwo file amaperekedwa pachiwonetsero ichi.

SPI Flash Loader

SPI flash loader imayikidwa kuti ikhazikitse kukumbukira kwa SPI flash komwe kuli ndi chithunzi chomwe chingathe kuchitika kuchokera pa PC yolandila kudzera pa mawonekedwe a MMUART_1. Purosesa ya Cortex-M3 imapanga buffer ya data yomwe ikubwera pa mawonekedwe a MMUART_1 ndikuyambitsa DMA yozungulira (PDMA) kuti ilembe zomwe zasungidwa mu SPI flash kudzera pa MSS_SPI0.

Kuthamanga Chiwonetsero
Kuti mugwiritse ntchito mawonekedwe, tsatirani izi: Chiwonetserochi chikuwonetsa momwe mungayikitsire chithunzi cha pulogalamu mu SPI flash ndikuchita chithunzicho kuchokera ku kukumbukira kwakunja kwa DDR. Chiwonetserochi chimapereka exampndi ntchito chithunzi sample_image_LPDDR.bin. Chithunzichi chikuwonetsa mauthenga olandilidwa ndi kusokoneza uthenga wa timer pa serial console ndikuthwanitsa LED1 ku LED8 pa SmartFusion2 Security Evaluation Kit. Kuti muwone mauthenga a GPIO asokoneza pa serial console, dinani SW2 kapena SW3 switch.

Kukhazikitsa Demo Design

Masitepe otsatirawa akufotokoza momwe mungakhazikitsire chiwonetsero cha SmartFusion2 Security Evaluation Kit board: Lumikizani PC yolandila ku J18 Connector pogwiritsa ntchito chingwe cha USB A kupita ku mini-B. Madalaivala a USB kupita ku UART amadziwikiratu. Tsimikizirani ngati kuzindikira kwapangidwa mwa woyang'anira chipangizocho monga momwe chithunzi 7 chikusonyezera.

1. Ngati madalaivala a USB sadziwike okha, yikani dalaivala wa USB.
2. Kuti mulumikizane ndi serial terminal kudzera pa FTDI mini USB chingwe, ikani dalaivala wa FTDI D2XX. Tsitsani maupangiri oyendetsa ndi kukhazikitsa kuchokera:
   http://www.microsemi.com/soc/documents/CDM_2.08.24_WHQL_Certified.zip.

Chithunzi 7 Kupanga Kuyenda kwa Hardware Boot Engine Njira

Lumikizani zodumphira pa bolodi la SmartFusion2 Security Evaluation Kit, monga momwe tawonetsera mu Gulu 2.

Chenjezo: Musanapange maulumikizidwe a jumper, ZIMmitsa chosinthira magetsi, SW7.

Table 2 SmartFusion2 Security Evaluation Kit Jumper Settings

Jumper	Pini (Kuchokera)	Pin (Ku)	Ndemanga
j22	1	2	Zosasintha
j23	1	2	Zosasintha
j24	1	2	Zosasintha
J8	1	2	Zosasintha
J3	1	2	Zosasintha

Mu SmartFusion2 Security Evaluation Kit, lumikizani magetsi ku cholumikizira cha J6. Chithunzi 8 chikuwonetsa kukhazikitsidwa kwa bolodi poyendetsa ma code shadowing kuchokera ku SPI flash kupita ku chiwonetsero cha LPDDR pa SmartFusion2 Security Evaluation Kit.

Chithunzi 8 SmartFusion2 Security Evaluation Kit Setup

SPI Flash Loader ndi Code Shadowing Demo GUI
Izi zimafunika kuyendetsa chiwonetsero chazithunzi za code. SPI Flash Loader ndi Code Shadowing Demo GUI ndi mawonekedwe osavuta ogwiritsa ntchito omwe amayenda pa PC yolandila kuti akonzere kung'anima kwa SPI ndikuyendetsa chiwonetsero chazithunzi pa SmartFusion2 Security Evaluation Kit. UART imagwiritsidwa ntchito ngati njira yolumikizirana pakati pa PC yolandila ndi SmartFusion2 Security Evaluation Kit. Imaperekanso gawo la serial console kuti lisindikize mauthenga ochotsa zolakwika omwe alandilidwa kuchokera ku pulogalamuyi pa mawonekedwe a UART.

Chithunzi 9 SPI Flash Loader ndi Code Shadowing Demo GUI

GUI imathandizira izi:

• Pulogalamu ya SPI Flash: Imakonza chithunzicho file mu SPI flash.
• Pulogalamu ndi Ma code Shadowing kuchokera ku SPI Flash kupita ku DDR: Kukonza chithunzicho file mu SPI flash, imakopera ku kukumbukira kwa DDR, ndikuyambitsa chithunzicho kuchokera pamtima wa DDR.
• Pulogalamu ndi Ma Code Shadowing kuchokera ku SPI Flash kupita ku SDR: Amakonza chithunzicho file mu SPI flash, ndikuyikopera ku SDR memory, ndikuyika chithunzicho kuchokera ku SDR memory.
• Code Shadowing to DDR: Koperani chithunzi chomwe chilipo file kuchokera ku SPI kung'anima kupita ku DDR kukumbukira ndikuyambitsa chithunzicho kuchokera pamtima wa DDR.
• Code Shadowing to SDR: Koperani chithunzi chomwe chilipo file kuchokera ku SPI flash kupita ku SDR memory ndikuyambitsa chithunzicho kuchokera ku SDR memory.

Dinani Thandizo kuti mudziwe zambiri pa GUI.

Lumikizani SmartFusion2 Development Kit ku kompyuta yanu pogwiritsa ntchito chingwe cha USB Blaster kapena USB Blaster II. Kenako tsatirani izi:

1. Mphamvu pa SmartFusion2 Development Kit.
2. Tsegulani Code Shadowing Demo GUI mu pulogalamu ya Libero SoC.
3. Sankhani makonda oyenera pakupanga kwanu ndikudina "Pangani" kuti mupange pulogalamuyo file.
4. Lumikizani ku SmartFusion2 Development Kit pogwiritsa ntchito chingwe cha USB Blaster kapena USB Blaster II.
5. Konzani FPGA ndikukweza chithunzi cha pulogalamuyo kuchokera ku SPI flash kupita ku LPDDR memory podina "Program" mu Code Shadowing Demo GUI.

Kuyendetsa Demo Design ya Multi-Stage Boot Process Njira
Kuyendetsa mapangidwe awonetsero amitundu yambiritage boot process njira, tsatirani izi:

1. Mphamvu pa SmartFusion2 Development Kit.
2. Lumikizani ku SmartFusion2 Development Kit pogwiritsa ntchito chingwe cha USB Blaster kapena USB Blaster II.
3. Bwezerani bolodi ndikudikirira kuti amalize ntchito yoyambira.
4. Pulogalamuyi imangoyambira pamtima wa LPDDR.

Masitepe otsatirawa akufotokoza momwe mungayendetsere mapangidwe awonetsero a ma multi-stagNjira ya e boot process:

1. Sinthani chosinthira magetsi SW7 kukhala ON.
2. Konzani chipangizo cha SmartFusion2 SoC FPGA chokhala ndi mapulogalamu file zoperekedwa mu kapangidwe files (SF2_CodeShadowing_LPDDR_DF\Programming
   Files\MultiStageBoot_method\CodeShadowing_LPDDR_top.stp pogwiritsa ntchito pulogalamu ya FlashPro.
3. Yambitsani SPI Flash Loader ndi Code Shadowing Demo GUI yotheka file kupezeka mumapangidwe files (SF2_CodeShadowing_LPDDR_DF\GUI Executable\SF2_FlashLoader.exe).
4. Sankhani doko loyenera la COM (komwe madalaivala a USB Serial amalozera) kuchokera pamndandanda wotsikira pansi wa COM Port.
5. Dinani Lumikizani. Mukakhazikitsa kulumikizana, Lumikizani zosintha ku Dikirani.
6. Dinani Sakatulani kuti musankhe wakaleampndi target executable image file zoperekedwa ndi kapangidwe files (SF2_CodeShadowing_LPDDR_DF/Sampndi Zithunzi za Ntchito/MultiStageBoot_method/sample_image_LPDDR.bin).
   Zindikirani: Kuti mupange bin ya chithunzi cha pulogalamu file, tchulani “Zakumapeto: Kutulutsa Bin Yowonongeka File” patsamba 24.
7. Sungani adilesi yoyambira ya SPI flash memory ngati yokhazikika pa 0x00000000.
8. Sankhani Pulogalamu ndi Code Shadowing kuchokera ku SPI Flash kupita ku DDR njira.
9. Dinani Yambani monga momwe tawonetsera pa Chithunzi 10 kuti muyike chithunzi chomwe chikhoza kuchitika mu SPI flash ndi code shadowing kuchokera ku DDR memory.

Chithunzi 10 Kuyambira Chiwonetsero 

Ngati chipangizo cha SmartFusion2 chakonzedwa ndi STAPL file momwe MDDR sinakonzedwere kukumbukira kwa DDR ndiye ikuwonetsa uthenga wolakwika, monga momwe tawonetsera pa Chithunzi 11.

Chithunzi 11 Chipangizo Cholakwika kapena Mauthenga Osankha

Gawo la serial console pa GUI likuwonetsa mauthenga ochotsa zolakwika ndikuyamba kupanga pulogalamu ya SPI pakuchotsa bwino kung'anima kwa SPI. Chithunzi 12 chikuwonetsa mawonekedwe a SPI flash kulemba.

Chithunzi 12 Flash Loading

1. Pakukonza kung'anima kwa SPI bwinobwino, bootloader yomwe ikuyenda pa SmartFusion2 SoC FPGA imakopera chithunzi cha pulogalamu kuchokera ku SPI flash kupita ku DDR kukumbukira ndikuyambanso chithunzicho. Ngati chithunzi choperekedwa sample_image_LPDDR.bin yasankhidwa, serial console ikuwonetsa mauthenga olandirira, kusinthana kusokoneza ndi kusokoneza mauthenga a timer monga momwe tawonetsera pa Chithunzi 13 ndi Chithunzi.
2. Mtundu wothamanga wa LED ukuwonetsedwa pa LED1 mpaka LED8 pa SmartFusion2 Security Evaluation Kit.
3. Dinani ma switch SW2 ndi SW3 kuti muwone mauthenga osokoneza pa serial console.

Chithunzi 13 Kuthamanga kwa Target Application Image kuchokera ku DDR3 Memory

Chithunzi 14 Mauthenga Owerengera Nthawi ndi Kusokoneza Mauthenga mu Serial Console

Kuthamanga kwa Hardware Boot Engine Method Method Design
Kuti mugwiritse ntchito mawonekedwe amtundu wa injini ya boot, tsatirani izi:

1. Mphamvu pa SmartFusion2 Development Kit.
2. Lumikizani ku SmartFusion2 Development Kit pogwiritsa ntchito chingwe cha USB Blaster kapena USB Blaster II.
3. Bwezerani bolodi ndikudikirira kuti amalize ntchito yoyambira.
4. Pulogalamuyi imangoyambira pamtima wa LPDDR.

Njira zotsatirazi zikufotokozera momwe mungayendetsere kamangidwe ka injini ya boot ya hardware:

1. Sinthani chosinthira magetsi SW7 kukhala ON.
2. Konzani chipangizo cha SmarFusion2 SoC FPGA ndi pulogalamuyo file zoperekedwa mu kapangidwe files (SF2_CodeShadowing_LPDDR_DF\Programming Files\HWBootEngine_method\CodeShadowing_Fabric.stp pogwiritsa ntchito pulogalamu ya FlashPro.
3. Kupanga pulogalamu ya SPI Flash pangani DIP kusintha SW5-1 kukhala ON malo. Kusankha uku kumapangitsa kuyambitsa Cortex-M3 kuchokera ku eNVM. Dinani SW6 kuti mukonzenso chipangizo cha SmartFusion2.
4. Yambitsani SPI Flash Loader ndi Code Shadowing Demo GUI yotheka file kupezeka mumapangidwe files (SF2_CodeShadowing_LPDDR_DF\GUI Executable\SF2_FlashLoader.exe).
5. Sankhani doko loyenera la COM (komwe madalaivala a USB Serial amalozera) kuchokera pamndandanda wotsikira pansi wa COM Port.
6. Dinani Lumikizani. Mukakhazikitsa kulumikizana, Lumikizani zosintha ku Dikirani.
7. Dinani Sakatulani kuti musankhe wakaleampndi target executable image file zoperekedwa ndi kapangidwe files (SF2_CodeShadowing_LPDDR_DF/Sample Zithunzi za Ntchito/HWBootEngine_method/sample_image_LPDDR.bin).
   Zindikirani: Kuti mupange bin ya chithunzi cha pulogalamu file, tchulani “Zakumapeto: Kutulutsa Bin Yowonongeka File” patsamba 24.
8. Sankhani Hardware Boot Engine njira mu Code Shadowing Method.
9. Sankhani pulogalamu ya SPI Flash kuchokera ku menyu Zosankha.
10. Dinani Yambani, monga momwe tawonetsera pa Chithunzi 15 kuti muyike chithunzi chomwe chikhoza kuchitika mu SPI flash.

Chithunzi 15 Kuyambira Chiwonetsero

Gawo la serial console pa GUI likuwonetsa mauthenga ochotsa zolakwika ndi momwe SPI flash ilembedwera, monga zikuwonekera pa Chithunzi 16.
Chithunzi 16 Flash Loading

1. Mukatha kukonza kung'anima kwa SPI bwino, sinthani DIP sinthani SW5-1 kukhala OFF malo. Kusankha uku kumapangitsa kuyambitsa purosesa ya Cortex-M3 kuchokera ku DDR memory.
2. Dinani SW6 kuti mukonzenso chipangizo cha SmartFusion2. Injini yoyambira imakopera chithunzi cha pulogalamuyo kuchokera ku SPI flash kupita ku DDR kukumbukira ndikutulutsanso ku Cortex-M3, yomwe imayambitsa chithunzicho kuchokera pamtima wa DDR. Ngati chithunzi choperekedwa "sample_image_LPDDR.bin" yokwezedwa ku SPI flash, cholembera cha serial chikuwonetsa mauthenga olandirira, kusinthana kusokoneza (dinani SW2 kapena SW3) ndi kusokoneza mauthenga a timer, monga momwe tawonetsera pa Chithunzi 17 ndipo mawonekedwe a LED akuwonetsedwa pa LED1 mpaka LED8 pa SmartFusion2 Security Evaluation Kit.

Chithunzi 17 Kuthamanga kwa Target Application Image kuchokera ku DDR3 Memory

Mapeto
Mwagwiritsa ntchito bwino SmartFusion2 SoC FPGA yokhala ndi code shadowing kuchokera ku SPI Flash kupita ku LPDDR memory.Chiwonetserochi chikuwonetsa kuthekera kwa chipangizo cha SmartFusion2 kuti chigwirizane ndi kukumbukira kwa DDR komanso kuyendetsa chithunzi chomwe chingathe kuchitika kuchokera pamtima wa DDR pojambula kachidindo kuchokera ku chipangizo cha SPI flash memory. . Ikuwonetsanso njira ziwiri zopangira ma code shadowing pa chipangizo cha SmartFusion2.

Zowonjezera: Zosintha za LPDDR

Chithunzi 18 General DDR Configuration Settings

Chithunzi 19 DDR Memory Initialization Settings

Chithunzi 20 DDR Memory Timing Zikhazikiko

Zowonjezera: Kupanga Bin Executable File

Bin yokonzekera file ikufunika kupanga mawonekedwe a SPI poyendetsa chiwonetsero chazithunzi. Kuti mupange bin yokhazikika file ku “sample_image_LPDDR” SoftConsole, chitani izi:

1. Mangani pulojekiti ya SoftConsole ndi cholumikizira script-execute-in-place-externalDDR.
2. Onjezani njira yokhazikitsira SoftConsole, mwachitsanzoample,
   C:\Microsemi\Libero_v11.7\SoftConsole\Sourcery-G++\bin, to the 'Environment Variables', monga momwe tawonetsera pa Chithunzi 21.

Chithunzi 21 Kuwonjezera SoftConsole Kuyika Njira

1. Dinani kawiri gululo file Bin-File-Generator.bat ili pa: SoftConsole/CodeShadowing_LPDDR_MSS_CM3/Sample_image_LPDDR foda, monga zikuwonetsedwa Chithunzi 22.

Chithunzi 22 Kuwonjezera SoftConsole Kuyika Njira

• The Bin-File-Jenereta imapanga sample_image_LPDDR.bin file

Mbiri Yobwereza

Gome ili m'munsili likuwonetsa kusintha kofunikira komwe kumachitika m'chikalatachi pakusintha kulikonse.

Kubwereza	Zosintha
Kusintha kwa 2 (Epulo 2016)	Kusinthidwa chikalata cha Libero SoC v11.7 kutulutsidwa kwa pulogalamu (SAR 78258).
Kusintha kwa 1 (December 2015)	Kutulutsidwa koyamba.

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Zolemba / Zothandizira

Microsemi DG0669 SmartFusion2 Code Shadowing kuchokera ku SPI Flash kupita ku LPDDR Memory [pdf] Buku Logwiritsa Ntchito DG0669 SmartFusion2 Code Shadowing from SPI Flash to LPDDR Memory, DG0669, SmartFusion2 Code Shadowing from SPI Flash to LPDDR Memory, SPI Flash to LPDDR Memory

Maumboni

• Buku Logwiritsa Ntchito