Microchip UG0881 PolarFire SoC FPGA Booting and Configuration
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Booting na nhazi
PolarFire SoC FPGA na-eji sekit gbalite ike dị elu iji hụ na a pụrụ ịdabere na ya na nrụnye na nrụpụta. Na nrụgharị na nrụpụta, PolarFire SoC FPGA usoro buut na-eso nrụpụta ike (POR), buut ngwaọrụ, mmalite imewe, Microcontroller Subsystem (MSS) pre-boot, na buut onye ọrụ MSS. Akwụkwọ a na-akọwa boot boot na MSS User Boot. Maka ozi gbasara POR, mmalite ngwaọrụ Boot na imewe, hụ UG0890: PolarFire SoC FPGA Power-Up and Resets Guide User.
Maka ozi ndị ọzọ gbasara njirimara MSS, hụ UG0880: PolarFire SoC MSS ntuziaka onye ọrụ.
Usoro mbido
Usoro nkwalite na-amalite mgbe PolarFire SoC FPGA kwadoro ma ọ bụ tọgharịa. Ọ na-agwụ mgbe onye nrụpụta dị njikere ime mmemme ngwa. Usoro booting a na-agafe ọtụtụ stages tupu ya amalite ogbugbu nke mmemme.
A na-arụ ọrụ nhazi n'oge usoro Boot-up nke na-agụnye nrụpụta ike nke ngwaike, mmalite mpaghara, mmalite ebe nchekwa, na itinye ngwa akọwapụtara nke onye ọrụ site na ebe nchekwa na-adịghị agbanwe agbanwe na ebe nchekwa na-agbanwe agbanwe maka igbu.
Ọnụ ọgụgụ na-esonụ na-egosi usoro dị iche iche nke usoro Boot-up.
Onyonyo 1 Usoro mbido
MSS Pre-boot
Mgbe emechara nke ọma nke mmalite imewe, MSS Pre-boot na-amalite igbu ya. A tọhapụrụ MSS na nrụpụta mgbe emechara usoro mmalite niile. Onye na-ahụ maka sistemụ na-ejikwa mmemme, mmalite, na nhazi nke ngwaọrụ. MSS Pre-boot anaghị eme ma ọ bụrụ na ahaziri ngwaọrụ akwadoro maka ọnọdụ nkwụsịtụ njikwa sistemụ.
A na-ahazi usoro mmalite boot boot nke MSS site na firmware njikwa sistemụ, n'agbanyeghị na ọ nwere ike iji E51 na MSS Core Complex rụọ akụkụ ụfọdụ nke usoro mmalite buut.
Ihe omume ndị a na-eme n'oge MSS pre-boot stage:
- Ike nke MSS agbakwunyere ebe nchekwa na-adịghị agbanwe agbanwe (eNVM)
- Mmalite nke nrụzi redundancy jikọtara na MSS Core Complex L2 cache
- Nyochaa koodu buut onye ọrụ (ọ bụrụ na agbanyere nhọrọ buut onye ọrụ echekwara)
- Nyefee MSS na-arụ ọrụ na koodu Boot onye ọrụ
Enwere ike ịgbanye MSS Core Complex n'otu n'ime ụdị anọ. Tebụlụ na-esonụ na-edepụta nhọrọ MSS tupu boot, nke enwere ike ịhazi na hazie ya na sNVM. Akọwapụtara ọnọdụ buut site na oke onye ọrụ U_MSS_BOOTMODE[1:0]. Data nhazi akpụkpọ ụkwụ agbakwunyere dabere na ọnọdụ ma kọwaa ya site na paramita onye ọrụ U_MSS_BOOTCFG (lee Tebụl 3, ibe 4 na Tebụl 5, ibe 6).
Tebụl 1 • Ụdị akpụkpọ ụkwụ MSS Core mgbagwoju anya
| U_MSS_BOOTMODE[1:0] | Ụdị | Nkọwa |
| 0 | Akpụkpọ ụkwụ na-adịghị arụ ọrụ | Akpụkpọ ụkwụ MSS Core Complex sitere na buut ROM ma ọ bụrụ na ahazighị MSS |
| 1 | Akpụkpọ ụkwụ na-enweghị nchebe | Akpụkpọ ụkwụ MSS Core Complex ozugbo sitere na adreesị nke U_MSS_BOOTADDR kọwapụtara |
| 2 | Akpụkpọ ụkwụ echedoro onye ọrụ | Akpụkpọ ụkwụ MSS Core Complex sitere na sNVM |
| 3 | Akpụkpọ ụkwụ echedoro ụlọ ọrụ | Akpụkpọ ụkwụ MSS Core Complex na-eji usoro buut arụ ọrụ echedoro |
A na-ahọrọ nhọrọ buut dị ka akụkụ nke usoro nhazi nke Libero. Ịgbanwe ụdịdị nwere ike nweta naanị site na ọgbọ nke mmemme FPGA ọhụrụ file.
Ọgụgụ 2 • MSS tupu buut Flow 
Boot na-adịghị arụ ọrụ
Ọ bụrụ na ahazighị MSS (maka example, oghere ngwaọrụ), mgbe ahụ, MSS Core Complex na-eme mmemme ROM buut nke na-ejide ndị nrụpụta niile na akaghị ngwụcha ruo mgbe onye nbibi jikọọ na ebumnuche. The boot vector records na-ejigide uru ha ruo mgbe emegharịrị ngwaọrụ ahụ ma ọ bụ hazie nhazi ọnọdụ akpụkpọ ụkwụ ọhụrụ. Maka ngwaọrụ ahaziri, enwere ike itinye ọnọdụ a site na iji
U_MSS_BOOTMODE=0 nhọrọ buut na onye nhazi Libero.
Mara: N'ụdị a, anaghị eji U_MSS_BOOTCFG.
Ọgụgụ na-esonụ na-egosi mgbaba buut na-adịghị arụ ọrụ.
Onyonyo 3 • Mgbapụta buut na-adịghị arụ ọrụ
Boot enweghị nchekwa
Na ọnọdụ a, MSS Core Complex na-eme site na adreesị eNVM akọwapụtara na-enweghị nkwenye. Ọ na-enye nhọrọ buut kacha ngwa ngwa, mana enweghị nkwenye nke onyonyo koodu. Enwere ike ịkọwa adreesị ahụ site na ịtọ U_MSS_BOOTADDR na nhazi Libero. Enwere ike iji ọnọdụ a buo site na akụrụngwa ebe nchekwa FPGA ọ bụla site na FIC. A na-eme usoro a site na iji
U_MSS_BOOTMODE=1 nhọrọ buut.
A na-ewepụta MSS Core Complex site na ntọgharị ya na ụdị akpụkpọ ụkwụ U_MSS_BOOTCFG kọwara (dị ka edepụtara na tebụl na-esonụ).
Tebụl 2 • Ojiji U_MSS_BOOTCFG na ọnọdụ buut anaghị echekwabara 1
| Akwụsịghị (bytes) |
Ogo (octets) |
Aha |
Nkọwa |
| 0 | 4 | BOOTVEC0 | Boot vector maka E51 |
| 4 | 4 | BOOTVEC1 | Boot vector maka U540 |
| 8 | 4 | BOOTVEC2 | Boot vector maka U541 |
| 16 | 4 | BOOTVEC3 | Boot vector maka U542 |
| 20 | 4 | BOOTVEC4 | Boot vector maka U543 |
Ọnụọgụ na-esonụ na-egosi mgbaba buut na-enweghị nchebe.
Onyonyo 4 • Flow akpụkpọ ụkwụ na-enweghị nchebe
Boot echedoro onye ọrụ
Ọnọdụ a na-enye onye ọrụ ohere imejuputa akpụkpọ ụkwụ echekwara nkeonwe yana koodu buut echekwara onye ọrụ na-etinye na sNVM. sNVM bụ ebe nchekwa 56 KB na-adịghị agbanwe agbanwe nke arụrụ arụrụ arụ arụrụ arụ (PUF) nwere ike ichekwa ya. A na-ewere usoro buut a ka echekwara n'ihi na ibe sNVM akara ka ROM enweghị mgbanwe. N'ịgbalite ike, onye na-ahụ maka sistemụ na-edepụta koodu buut echekwara onye ọrụ site na sNVM gaa na ebe nchekwa data Tightly Integrated (DTIM) nke isi E51 Monitor. E51 na-amalite imebe koodu buut echedoro onye ọrụ.
Ọ bụrụ na nha koodu buut echekwara nke onye ọrụ karịrị nha DTIM, onye ọrụ kwesịrị kewaa koodu buut n'ime s abụọ.tages. sNVM nwere ike ịnwe stage nke usoro buut onye ọrụ, nke nwere ike ịrụ nyocha nke akpụkpọ ụkwụ na-esote stage iji njirimara njirimara/decryption algọridim.
Ọ bụrụ na ejiri ibe akwụkwọ ezitere ma ọ bụ ezoro ezo wee otu igodo USK ahụ (ya bụ,
U_MSS_BOOT_SNVM_USK) ga-ejirịrị maka ibe niile enyochagoro/zoro ezo.
Ọ bụrụ na nyocha dara, enwere ike idowe MSS Core Complex na nrụpụta yana BOOT_FAIL tampE nwere ike ibuli ọkọlọtọ. A na-emejuputa ọnọdụ a site na iji U_MSS_BOOTMODE=2 nhọrọ buut.
Tebụl 3 • Ojiji U_MSS_BOOTCFG na Boot echekwara nke onye ọrụ
| Akwụsịghị (bytes) | Ogo (octets) | Aha | Nkọwa |
| 0 | 1 | U_MSS_BOOT_SNVM_PAGE | Malite ibe na SNVM |
| 1 | 3 | echekwabara | Maka nhazi |
| 4 | 12 | U_MSS_BOOT_SNVM_USK | Maka ibe ezitere/ ezoro ezo |
Ọnụ ọgụgụ na-esonụ na-egosi onye ọrụ na-agba ọsọ buut echekwara.
Onyonyo 5 • Flow Boot echekwara nke onye ọrụ
Boot Secure Factory
N'ụdị a, onye na-ahụ maka sistemụ na-agụ Asambodo Foto Secure Boot (SBIC) site na eNVM wee kwado SBIC. Na nkwado na-aga nke ọma, onye na-ahụ maka sistemụ na-ebipụta koodu buut ụlọ ọrụ echedoro na nzuzo ya, ebe nchekwa echekwara ma tinye ya na DTIM nke E51 Monitor core. Akpụkpọ ụkwụ echekwara na-eme nlele mbinye aka na onyonyo eNVM site na iji SBIC nke echekwara na eNVM. Ọ bụrụ na enweghị mkpesa ọ bụla, a na-ewepụta nrụpụta ya na MSS Core Complex. Ọ bụrụ na akọpụta njehie, a na-etinye MSS Core Complex na nrụpụta yana BOOT_FAIL tampE buliri ọkọlọtọ. Mgbe ahụ, onye na-ahụ maka sistemụ na-arụ ọrụ naamper flag nke na-ekwupụta akara na akwa FPGA maka ihe onye ọrụ. A na-emejuputa ọnọdụ a site na iji U_MSS_BOOTMODE=3 nhọrọ buut.
SBIC nwere adreesị, nha, hash, na Elliptic Curve Digital Signature Algorithm (ECDSA) mbinye aka nke ọnụọgụ abụọ echekwara. ECDSA na-enye ihe dị iche iche nke Digital Signature Algorithm nke na-eji elliptical curve cryptography. O nwekwara vector nrụpụta maka ngwaike ọ bụla
eri / isi / isi ihe nhazi (Hart) na sistemu.
Tebụl 4 • Asambodo foto buut echekwara (SBIC)
| Akwụsịghị | Ogo (octets) | Uru | Nkọwa |
| 0 | 4 | IMAGEADDR | Adreesị UBL na map ebe nchekwa MSS |
| 4 | 4 | IMAGELEN | Ogo UBL na bytes |
| 8 | 4 | BOOTVEC0 | Boot vector na UBL maka E51 |
| 12 | 4 | BOOTVEC1 | Boot vector na UBL maka U540 |
| 16 | 4 | BOOTVEC2 | Boot vector na UBL maka U541 |
| 20 | 4 | BOOTVEC3 | Boot vector na UBL maka U542 |
| 24 | 4 | BOOTVEC4 | Boot vector na UBL maka U543 |
| 28 | 1 | Nhọrọ[7:0] | Nhọrọ SBIC |
| 28 | 3 | echekwabara | |
| 32 | 8 | Ụdị | Ụdị SBIC/Image |
| 40 | 16 | DSN | Njikọ DSN nhọrọ |
| 56 | 48 | H | Foto UBL SHA-384 hash |
| 104 | 104 | CODESIG | ECDSA mbinye aka DER |
| Mkpokọta | 208 | Bytes |
DSN
Ọ bụrụ na mpaghara DSN abụghị efu, a na-atụnyere ya megide nọmba serial nke ngwaọrụ ahụ. Ọ bụrụ na ntụnyere ada ada, mgbe ahụ boot_fail tampedobere ọkọlọtọ ma kagbuo nyocha.
Ụdị
Ọ bụrụ na U_MSS_REVOCATION_ENABLE kwadoro nbibi SBIC, a jụrụ SBIC ma ọ bụrụ na uru VERSION karịrị ma ọ bụ ha nhata na njedebe nbibi.
Nhọrọ iwepụ SBIC
Ọ bụrụ na U_MSS_REVOCATION_ENABLE kwadoro nbibi SBIC na OPTIONS[0] bụ '1', a ga-ewepụ ụdịdị SBIC niile na-erughị VERSION ma nweta nkwenye zuru oke nke SBIC. Ọnụ ụzọ mwepu ahụ na-anọgide na uru ọhụrụ ruo mgbe ọ ga-abawanye ọzọ site na SBIC n'ọdịnihu nwere Nhọrọ[0] = '1' yana mpaghara VERSION dị elu. Enwere ike ịbawanye ọnụ ụzọ mwepu naanị site na iji usoro a ma enwere ike ịtọgharịa ya site na ntakịrị iyi.
Mgbe a na-emelite ọnụ ụzọ mwepu n'ike, a na-echekwa ọnụ ụzọ site na iji atụmatụ nchekwa na-abaghị uru ejiri maka koodu passcode nke na ọdịda ike n'oge buut ngwaọrụ anaghị eme ka akpụkpọ ụkwụ ngwaọrụ na-esote daa. Ọ bụrụ na nwelite nke nbibi mbugharị ada ada, a na-ekwe nkwa na uru ọnụ ụzọ bụ uru ọhụrụ ma ọ bụ nke gara aga.
Tebụl 5 • U_MSS_BOOTCFG Ojiji n'ụdị ihe nbido buut ụlọ ọrụ
| Akwụsịghị (bytes) |
Ogo (octets) |
Aha |
Nkọwa |
| 0 | 4 | U_MSS_SBIC_ADDR | Adreesị nke SBIC na oghere adreesị MSS |
| 4 | 4 | U_MSS_REVOCATION_ENABLE | Kwado mwepu SBIC ma ọ bụrụ na ọ bụghị efu |
Ọnụ ọgụgụ na-esonụ na-egosi na ụlọ mmepụta ihe nwere nchebe buut eruba.
Onyonyo 6 • Factory Secure Boot Flow
Boot onye ọrụ MSS
Akpụkpọ ụkwụ onye ọrụ MSS na-ewere ọnọdụ mgbe enyere njikwa si System Controller gaa na MSS Core Complex. Mgbe MSS ga-aga nke ọma, onye na-ahụ maka sistemụ na-ewepụta nrụpụta ahụ na MSS Core Complex. Enwere ike ịkwalite MSS n'otu ụzọ ndị a:
- Ngwa igwe efu
- Ngwa Linux
- AMP Ngwa
Ngwa igwe efu
Enwere ike ịmepụta ngwa igwe efu maka PolarFire SoC site na iji ngwa SoftConsole. Ngwá ọrụ a na-enye mmepụta files n'ụdị .hex nke nwere ike iji na Libero eruba na-agụnye n'ime mmemme bitstream file. Enwere ike iji otu ngwa ahụ mebie ngwa Bare Metal site na iji JTAG
interface.
Ihe onyonyo a na-egosi ngwa SoftConsole Bare Metal nke nwere harts ise (Cores) gụnyere E51 Monitor core.
Onyonyo 7 • SoftConsole Project 
Ngwa Linux
Akụkụ a na-akọwa usoro buut maka Linux na-agba ọsọ na cores U54 niile.
Usoro buut na-ahụkarị nwere s atọtages. Nke mbụ stagA na-egbu e bootloader (FSBL) site na on-chip Boot flash (eNVM). FSBL na-ebu s nke abụọtage bootloader (SSBL) site na ngwaọrụ buut gaa na RAM mpụga ma ọ bụ cache. Ngwaọrụ buut nwere ike ịbụ eNVM ma ọ bụ microcontroller ebe nchekwa agbakwunyere (eMMC) ma ọ bụ Flash SPI mpụga. SSBL na-ebu sistemụ arụmọrụ Linux site na ngwaọrụ buut gaa na RAM mpụga. Na nke atọ stage, Linux na-egbu site na RAM mpụga.
Ọnụ ọgụgụ na-esonụ na-egosi usoro Linux Boot Process.
Onyonyo 8 • Usoro usoro buut Linux a na-ahụkarị
A ga-enye nkọwa gbasara FSBL, osisi ngwaọrụ, Linux, na ụlọ YOCTO, otu esi ewu ma hazie Linux na mwepụta akwụkwọ a n'ọdịnihu.
AMP Ngwa
A ga-enye nkọwa zuru ezu nke Libero MSS Configurator yana otu esi ewepụ ngwa ọtụtụ ihe nhazi site na iji SoftConsole na mwepụta akwụkwọ a n'ọdịnihu.
Isi mmalite dị iche iche nke booting
A ga-emelite ya na ụdị akwụkwọ a n'ọdịnihu.
Nhazi buut
A ga-emelite ya na ụdị akwụkwọ a n'ọdịnihu.
Mkpebiri
A na-eji mkpọkpọ okwu ndị a n'ime akwụkwọ a.
Tebụl 1 • Ndepụta Acronyms
Acronym gbasaara
- AMP Asymmetric Multi-nhazi
- DTM Data Tightly Integrated Memory (a na-akpọkwa SRAM)
- ECDSA Algọrithm mbinye aka dijitalụ Elliptic Curve
- eNVM Ebe nchekwa na-adịghị agbanwe agbanwe
- FSBL Mbụ Stage Boot Loader
- Hart Akụrụngwa eri/core/processor isi
- MSS Sistemụ nke microprocessor
- POR Ike na Tọgharia
- PUF Ọrụ enweghị ike ime
- ROM Ebe nchekwa naanị ọgụgụ
- SCB Akwa njikwa sistemu
- sNVM Chekwaa ebe nchekwa na-adịghị agbanwe agbanwe
Akụkọ ngbanwe
Akụkọ ngbanwe ahụ na-akọwa mgbanwe ndị etinyere na akwụkwọ ahụ. Edepụtara mgbanwe ndị a site na ntughari, malite na mbipụta dị ugbu a.
Mgbanwe 2.0
Ihe na-esonụ bụ nchịkọta mgbanwe ndị emere na nlegharị anya a.
- Emelitere ozi gbasara Boot Secure Factory.
- Emelitere ozi gbasara ngwa Bare Metal.
Mgbanwe 1.0
Mbipụta mbụ nke akwụkwọ a.
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Microchip UG0881 PolarFire SoC FPGA Booting and Configuration [pdf] Ntuziaka onye ọrụ UG0881 PolarFire SoC FPGA Booting and Configuration, UG0881, PolarFire SoC FPGA Booting and Configuration, Booting and Configuration |
