Microchip UG0881 PolarFire SoC FPGA Booting ma Configuration
Fa'amaonia
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E uiga i Microsemi
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Booting Ma Fa'atonu
PolarFire SoC FPGAs e fa'aogaina le eletise maualuga e fa'amautinoa ai le fa'atuatuaina o le malosi i luga ma toe setiina. I le power-up ma toe setiina, PolarFire SoC FPGA fa'asologa fa'a-fa'aulu e mulimulita'i le Power-on reset (POR), Device boot, Design initialization, Microcontroller Subsystem (MSS) pre-boot, ma MSS user boot. O lenei pepa o loʻo faʻamatalaina MSS muaʻi faʻaulu ma MSS User Boot. Mo fa'amatalaga e uiga i le POR, Device Boot ma Design initialization, va'ai UG0890: PolarFire SoC FPGA Power-Up ma Toe Fa'atonu le Ta'iala mo Tagata.
Mo nisi fa'amatalaga e uiga i vaega MSS, va'ai UG0880: PolarFire SoC MSS User Guide.
Fa'aoso-a'e Fa'asologa
E amata le fa'asologa o le fa'aulu pe a fa'aola le PolarFire SoC FPGA pe toe fa'aola. E muta pe a sauni le processor e faʻatino se polokalame talosaga. O lenei fa'asologa fa'asagaga e fa'asolosolo i ni nai staga'o le'i amataina le fa'atinoina o polokalame.
O se seti o gaioiga o loʻo faia i le taimi o le Boot-up process lea e aofia ai le toe faʻaleleia o le masini, faʻasologa o le peripheral, amataina o le mafaufau, ma le utaina o le talosaga e faʻaogaina e le tagata faʻaoga mai le manatua e le faʻafefe i le mafaufau faʻafefe mo le faʻatinoina.
O le ata o lo'o i lalo o lo'o fa'aalia ai vaega eseese o le fa'asologa o le Boot-up.
Ata 1 Fa'aoso-a'e Fa'asologa
MSS Pre-Boot
I le mae'a manuia o le Design Initialization, MSS Pre-boot amata lana fa'atinoga. O le MSS e fa'asa'oloto mai le toe setiina pe a mae'a uma faiga masani amata. E pulea e le pule o le polokalama le polokalame, amataina, ma le faʻatulagaina o masini. MSS Pre-boot e le tupu pe afai o le masini ua fa'apolokalameina ua fa'atulagaina mo le fa'aogaina o le fa'aogaina o le fa'atonuga.
O le MSS muamua-fa'avae vaega o le amataga o lo'o fa'amaopoopoina e le firmware system controller, e ui lava e mafai ona fa'aogaina le E51 i le MSS Core Complex e fa'atino ai ni vaega o le fa'asologa muamua.
O mea nei e tutupu i le taimi ole MSS a'o le'i fa'a-fa'a'atage:
- Malosiaga o le MSS fa'apipi'i le Fa'amanatuga Fa'ale-Volatile (eNVM)
- Fa'amataina o le toe fa'aleleia o mea e feso'ota'i ma le MSS Core Complex L2 cache
- Fa'amaoni o le fa'ailoga ta'avale a le Tagata (pe a mafai ona fa'ataga le filifiliga ta'avale a le User Secure)
- Tu'u atu MSS fa'agaioiga i le fa'ailoga Fa'aoga Fa'aaoga
O le MSS Core Complex e mafai ona fa'aosoina i se tasi o auala e fa. O le laulau o loʻo i lalo o loʻo lisiina ai filifiliga muamua MSS, lea e mafai ona faʻatulagaina ma faʻapipiʻiina i le sNVM. O le faiga fa'avae e fa'amatalaina e le tagata fa'aoga U_MSS_BOOTMODE[1:0]. O fa'amaumauga fa'aopoopo fa'aopoopo fa'a-fa'auma e fa'alagolago i le fa'aogaina ma e fa'amatalaina e le fa'aoga fa'aoga U_MSS_BOOTCFG (silasila i le Laulau 3, itulau 4 ma le Laulau 5, itulau 6).
Laulau 1 • MSS Core Complex Boot Modes
| U_MSS_BOOTMODE[1:0] | Faiga | Fa'amatalaga |
| 0 | Se'evae fa'aletonu | MSS Core Complex seevae mai le boot ROM pe a le faʻatulagaina MSS |
| 1 | E le maluelue seevae | MSS Core Complex seevae sa'o mai le tuatusi fa'amatala e le U_MSS_BOOTADDR |
| 2 | Fa'ataga fa'aoga saogalemu | MSS Core Complex seevae mai le sNVM |
| 3 | Se'e fa'amautu falegaosimea | O seevae MSS Core Complex e fa'aoga ai le fa'apolokalame fa'amautu fa'amautu falegaosimea |
O le filifiliga seevae e filifilia e avea o se vaega o le faʻasologa o mamanu Libero. Suiga o le faiga e mafai ona ausia e ala i le fausiaina o se polokalame FPGA fou file.
Ata 2 • MSS Fa'amata'u Fa'a'au 
Fa'anofonofoa
Afai e le faʻatulagaina le MSS (mo se faʻataʻitaʻigaample, masini avanoa), ona faʻatinoina lea e le MSS Core Complex se polokalame boot ROM lea o loʻo taofia uma gaioiga i totonu o se matasele e le iʻu seia oʻo ina fesoʻotaʻi le debugger i le sini. E fa'atumauina pea e le fa'ailoga o le ta'avale ta'avale se'ia toe fa'afo'i le masini po'o le fa'apolokalameina o se fa'atulagaga fou o le fa'aafu. Mo masini faʻapipiʻi, e mafai ona faʻatinoina lenei faiga e faʻaaoga ai le
U_MSS_BOOTMODE=0 filifiliga seevae i le Libero configurator.
Fa'aaliga: I lenei faiga, U_MSS_BOOTCFG e le fa'aogaina.
O le ata o loʻo i lalo o loʻo faʻaalia ai le tafe o le Idle boot.
Ata 3 • Fa'agasolo Fa'agasolo
Se'e le maluelue
I lenei faiga, o le MSS Core Complex e faʻatino mai se tuatusi eNVM faʻamaonia e aunoa ma le faʻamaonia. E maua ai le filifiliga fa'ato'a vave, ae leai se fa'amaoniga o le ata fa'ailoga. E mafai ona faʻamaonia le tuatusi ile seti U_MSS_BOOTADDR ile Libero Configurator. E mafai fo'i ona fa'aoga lenei faiga e fa'aa'a ai mai so'o se mea e manatua ai FPGA Fabric e ala i le FIC. O lenei faiga e faʻaaogaina e faʻaaoga ai le
U_MSS_BOOTMODE=1 filifiliga ta'avale.
O le MSS Core Complex ua fa'asa'oloto mai le toe fa'atūina ma vete ta'avale fa'amatala e le U_MSS_BOOTCFG (e pei ona lisiina i le laulau o lo'o mulimuli mai).
Laulau 2 • U_MSS_BOOTCFG Fa'aoga ile Fa'aa'e le Puipuia 1
| Offset (paita) |
Tele (paita) |
Igoa |
Fa'amatalaga |
| 0 | 4 | BOOTVEC0 | Fa'aa'e Vector mo E51 |
| 4 | 4 | BOOTVEC1 | Fa'aa'e Vector mo U540 |
| 8 | 4 | BOOTVEC2 | Fa'aa'e Vector mo U541 |
| 16 | 4 | BOOTVEC3 | Fa'aa'e Vector mo U542 |
| 20 | 4 | BOOTVEC4 | Fa'aa'e Vector mo U543 |
O le ata o loʻo i lalo o loʻo faʻaalia ai le tafega o le taʻavale e le saogalemu.
Ata 4 • Fa'asolo Fa'asao le malu
Tagata Secure Boot
O lenei faiga e mafai ai e le tagata fa'aoga ona fa'atino a latou lava fa'auma fa'amautu fa'aleaganu'u ma tu'u le fa'ailoga fa'amautu fa'amaufa'ailoga i le sNVM. O le sNVM o se 56 KB e le mafai ona faʻaogaina e mafai ona puipuia e le faʻaogaina o le Physically Unclonable Function (PUF). O lenei faiga ta'avale ua manatu e fa'amautu ona o itulau sNVM ua fa'ailogaina o le ROM e le mafai ona suia. I luga o le eletise, e kopiina e le pule o le polokalama le code boot secure tagata mai le sNVM i le Data Tightly Integrated Memory (DTIM) o le E51 Monitor core. E51 amata fa'atinoina le fa'ailoga fa'amautu fa'amaufa'ailoga.
Afai o le tele o le faʻamaufaʻailoga faʻamautu faʻamaufaʻailoga e sili atu nai lo le tele o le DTIM ona manaʻomia lea e le tagata faʻapipiʻi ona vaevae le code boot i le lua stages. O le sNVM e mafai ona aofia ai le isi stagu o le fa'asologa o ta'avale a le tagata fa'aoga, lea e mafai ona fa'atinoina le fa'amaoni o le isi seevae stagu fa'aogaina le fa'amaoni fa'aoga/fa'asese algorithm.
Afai e fa'aogaina itulau fa'amaonia po'o fa'ailoga fa'ailoga ona fa'aoga lea o le USK key (o lona uiga,
U_MSS_BOOT_SNVM_USK) e tatau ona fa'aoga mo itulau uma ua fa'amaonia/fa'ailoga.
Afai e le mafai ona faʻamaonia, e mafai ona tuʻu le MSS Core Complex i le toe setiina ma le BOOT_FAIL tampe mafai ona sisi le fu'a. O lenei faiga e faʻaaogaina e faʻaaoga ai le U_MSS_BOOTMODE=2 filifiliga faʻauma.
Laulau 3 • U_MSS_BOOTCFG Fa'aoga i le Tagata Fa'aoga Secure Boot
| Offset (paita) | Tele (paita) | Igoa | Fa'amatalaga |
| 0 | 1 | U_MSS_BOOT_SNVM_PAGE | Amata itulau ile SNVM |
| 1 | 3 | FAAVAE | Mo le fa'aogaina |
| 4 | 12 | U_MSS_BOOT_SNVM_USK | Mo itulau fa'amaonia/fa'ailoga |
O le ata o lo'o i lalo o lo'o fa'aalia ai le fa'aogaina o le ta'avale fa'amautu.
Ata 5 • Tagata Fa'aoga Saogalemu Fa'aoso Fa'asolo
Falegaosimea Secure Boot
I lenei faiga, e faitau e le pule o le polokalama le Secure Boot Image Certificate (SBIC) mai le eNVM ma faʻamaonia le SBIC. I le faʻamaonia manuia, e kopiina e le System Controller le code boot secure factory mai lona nofoaga patino, malupuipuia manatua ma uta i le DTIM o le E51 Monitor core. O le faʻamaufaʻailoga faʻamaufaʻailoga e faia se siaki saini i luga o le ata eNVM e faʻaaoga ai le SBIC o loʻo teuina i le eNVM. Afai e leai ni fa'aletonu e lipotia, toe fa'afo'i fa'amatu'u ile MSS Core Complex. Afai e lipotia ni mea sese, o le MSS Core Complex e tuʻuina i le toe setiina ma le BOOT_FAIL tampua sisi le fu'a. Ona, fa'agaoioia le fa'atonu faiga iamper fu'a lea e fa'ailoa mai ai se fa'ailo i le ie FPGA mo le fa'aogaina o tagata. O lenei faiga e faʻaaogaina e faʻaaoga ai le U_MSS_BOOTMODE=3 filifiliga faʻauma.
O le SBIC o lo'o i ai le tuatusi, lapopoa, hash, ma le Elliptic Curve Digital Signature Algorithm (ECDSA) saini o le poloka binary puipuia. O lo'o ofoina mai e le ECDSA se 'ese'esega o le Algorithm Saini Fa'atekinolosi lea e fa'aogaina ai le fa'ailoga elliptic curve. O lo'o iai fo'i le reset vector mo Meafaigaluega ta'itasi
filo/autu/processor core (Hart) i le faiga.
Laulau 4 • Secure Boot Image Certificate (SBIC)
| Offset | Tele (paita) | Taua | Fa'amatalaga |
| 0 | 4 | IMAGEADDR | Tuatusi o le UBL ile MSS manatua faafanua |
| 4 | 4 | ATA | Tele ole UBL ile paita |
| 8 | 4 | BOOTVEC0 | Fa'aa'e le vector i le UBL mo E51 |
| 12 | 4 | BOOTVEC1 | Fa'aa'e le vector i le UBL mo U540 |
| 16 | 4 | BOOTVEC2 | Fa'aa'e le vector i le UBL mo U541 |
| 20 | 4 | BOOTVEC3 | Fa'aa'e le vector i le UBL mo U542 |
| 24 | 4 | BOOTVEC4 | Fa'aa'e le vector i le UBL mo U543 |
| 28 | 1 | FILIFILI[7:0] | SBIC filifiliga |
| 28 | 3 | FAAVAE | |
| 32 | 8 | VERSION | SBIC/Faiga ata |
| 40 | 16 | DSN | Filifiliga DSN noatia |
| 56 | 48 | H | UBL ata SHA-384 hash |
| 104 | 104 | CODESIG | DER-encoded ECDSA saini |
| Aofa'iga | 208 | Bytes |
DSN
Afai o le fanua DSN e le'o-zero, e fa'atusatusa i le numera telefoni a le masini. Afai e le manuia le faʻatusatusaga, o le boot_fail tampua seti le fu'a ma fa'amuta le fa'amaoni.
VERSION
Afai e mafai e le U_MSS_REVOCATION_ENABLE le soloia o le SBIC, o le a teena le SBIC se'i vagana ua sili atu pe tutusa le tau o le VERSION i le tapulaa faalēaogāina.
FILIFILI SBIC TULA'I
Afai e mafai e le U_MSS_REVOCATION_ENABLE le soloia o le SBIC ma le OPTIONS[0] o le '1', o fa'aliliuga uma a le SBIC e itiiti ifo i le VERSION e fa'aleaogaina pe a mae'a fa'amaonia le SBIC. E tumau pea le fa'amalo i le tau fou se'ia toe fa'aopoopo i se SBIC i le lumana'i ma OPTIONS[0] = '1' ma se fanua VERSION maualuga. E mafai ona fa'atuputeleina le tapulaa fa'aleaogaina i le fa'aogaina o lenei masini ma e mafai ona toe fa'afo'i i se fa'agasolo.
A fa'afou fa'afou le fa'amalo, e fa'apolopolo le fa'aoga e fa'aaoga ai le fa'aogaina o le fa'aogaina o fa'ailoga e fa'apea o le fa'aletonu o le eletise i le taimi e fa'a'a ai masini e le mafua ai ona fa'aletonu le ta'avale masini mulimuli ane. Afai e le manuia le fa'afouga o le fa'amalo, e mautinoa o le tau o le tau o le tau fou po'o le tau muamua.
Laulau 5 • U_MSS_BOOTCFG Fa'aoga ile Faiga Fa'ato'a Fa'aoloa Falegaosimea
| Offset (paita) |
Tele (paita) |
Igoa |
Fa'amatalaga |
| 0 | 4 | U_MSS_SBIC_ADDR | Tuatusi o le SBIC ile MSS address space |
| 4 | 4 | U_MSS_REVOCATION_ENABLE | Fa'amalo le fa'aleaogaina o le SBIC pe a le-zero |
O le ata o lo'o i lalo o lo'o fa'aalia ai le fa'agasologa o ta'avale saogalemu a le falegaosimea.
Ata 6 • Falegaosimea Secure Boot Flow
MSS User Boot
E fai le ta'avale a le tagata fa'aoga MSS pe a tu'uina atu le pule mai le System Controller i le MSS Core Complex. Ile manuia MSS mua'i-fa'a, fa'amalo le fa'atonuga ile MSS Core Complex. E mafai ona fa'aosoina MSS i se tasi o auala nei:
- Talosaga Fa'ameamea
- Talosaga Linux
- AMP Fa'atatauga
Talosaga Fa'ameamea
O talosaga u'amea e leai ni mea mo le PolarFire SoC e mafai ona atia'e e fa'aaoga ai le meafaigaluega SoftConsole. O lenei meafaigaluega e maua ai le gaosiga files i le tulaga o le .hex lea e mafai ona faʻaaogaina i le Libero tafe e aofia ai i totonu o le bitstream polokalame file. O le meafaigaluega lava lea e tasi e mafai ona faʻaaogaina e faʻafefe ai le Bare Metal talosaga e faʻaaoga ai le JTAG
feso'ota'iga.
O le ata o lo'o mulimuli mai o lo'o fa'aalia ai le SoftConsole Bare Metal application lea e lima harts (Cores) e aofia ai le E51 Monitor core.
Ata 7 • Poloketi SoftConsole 
Talosaga Linux
O lenei vaega o loʻo faʻamatalaina ai le faʻasologa o taʻavale mo Linux o loʻo faʻaogaina i luga ole U54 cores.
O se faiga fa'avae masani e aofia ai le tolu stages. O le stage fa'apipi'i uta (FSBL) e fa'atino mai le fa'amalama Fa'atama'i (eNVM). E utaina e le FSBL le s lona luatage fa'auma uta (SSBL) mai se masini ta'avale i le RAM fafo po'o le Cache. O le masini ta'avale e mafai ona avea ma eNVM po'o le microcontroller manatua fa'apipi'i (eMMC) po'o le SPI Flash i fafo. E utaina e le SSBL le faiga fa'aoga Linux mai le masini fa'apipi'i i le RAM i fafo. I le s lona tolutagu, Linux e faʻatinoina mai le RAM fafo.
O le ata o loʻo i lalo o loʻo faʻaalia ai le tafe o le Linux Boot Process.
Ata 8 • Fa'asolo Fa'agasologa Fa'agasologa Fa'asagaga Linux
Fa'amatalaga o le FSBL, Device tree, Linux, ma le YOCTO build, fa'afefea ona fausia ma fa'atulaga Linux o le a tu'uina atu i le fa'asalalauga i le lumana'i o lenei pepa.
AMP Fa'atatauga
Fa'amatalaga au'ili'ili o le Libero MSS Configurator ma pe fa'afefea ona fa'apipi'i le tele-processor talosaga e fa'aaoga ai SoftConsole o le a tu'uina atu i le fa'asalalauga i le lumana'i o lenei pepa.
Punavai Eseese o le Booting
Ina ia fa'afou i fa'amatalaga i le lumana'i o lenei pepa.
Fa'asagaga Fa'avae
Ina ia fa'afou i fa'amatalaga i le lumana'i o lenei pepa.
Acronyms
O acronyms nei o lo'o fa'aogaina i lenei pepa.
Laulau 1 • Lisi o Acronyms
Acronym Fa'alautele
- AMP Asymmetric Multi-processing
- DTIM Fa'amaumauga Tu'ufa'atasi Fa'amaumauga (fa'aigoa o le SRAM)
- ECDSA Elliptic Curve Digital Signature Algorithm
- eNVM fa'apipi'i le Fa'amanatuga E le-Volatile
- FSBL Muamua Stagu Fa'amea Fa'amu
- Hart Meafaigaluega filo/autu/processor core
- MSS Microprocessor Subsystem
- POR Malosi i Toe Seti
- PUF Galuega Fa'aletino Unclonable
- ROM Faitau-na'o Manatu
- SCB Alalaupapa Pule Fa'atonu
- sNVM Secure Non-volatile Memory
Toe Iloilo Tala'aga
O le tala fa'asolopito o lo'o fa'amatalaina suiga na fa'atinoina i le pepa. O suiga o lo'o lisiina e ala i toe iloiloga, amata i le lomiga o lo'o iai nei.
Toe Iloiloga 2.0
O lo'o i lalo le aotelega o suiga na faia i lenei toe iloiloga.
- Fa'amatalaga e uiga i le Fale Fa'amautu Fa'amaufa'ailoga ua fa'afouina.
- Fa'amatalaga e uiga i Bare Metal Application na fa'afouina.
Toe Iloiloga 1.0
Le lomiga muamua o lenei pepa.
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Microchip UG0881 PolarFire SoC FPGA Booting ma Configuration [pdf] Taiala mo Tagata Fa'aoga UG0881 PolarFire SoC FPGA Booting ma Fa'atonuga, UG0881, PolarFire SoC FPGA Booting ma Fa'atonu, Fa'aa'e ma Fa'atonu. |
