sailchang / arm-trusted-firmware

Intel SoC FPGA Documentation for Trusted Firmware-A

Introduction

This README file describes TF-A support for Intel SoC FPGA. For detailed information regarding the hardware product, please refer to https://www.intel.com/content/www/us/en/products/programmable/soc.html

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Table of Contents

1. Release Information
2. Device Family Support and Compatibility
3. Feature Support
4. Major Changes and Known Issues
5. Known Issues and Limitation

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1. Release Information

Version	Release Branch	TF-A Tag
Current (N)	socfpga_v2.4.1	v2.4
N - 1	socfpga_v2.4.0	v2.4
N - 2	socfpga_v2.3	v2.3

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2. Device Family Support and Compatibility

This section details SoC FPGA and eASIC Device Family supported by TF-A and its underlying processor microarchitecture. Table below keeps track of Quartus version tested to be compatible with current TF-A release. All families support only BL2 and BL31

SoC FPGA / eASIC Device Family	Processor Microarchitecture	Quartus Prime Pro Edition
Stratix 10	Quad-core ARM Cortex-A53	19.3, 19.4, 20.1, 20.2, 20.3, 20.4, 21.1, 21.2
Agilex	Quad-core ARM Cortex-A53	20.1, 20.2, 20.4, 20.4, 21.1, 21.2
eASIC N5X	Quad-core ARM Cortex-A53	Early Access 1

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Notes

¹ eASIC N5X early access, only support BL31

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3. TF-A Feature Support

Hardware Feature	Stratix 10	Agilex	eASIC N5X
SDRAM	Yes	Yes	No
HPS Bridge (LWH2F, H2F, F2S)	Yes	Yes	No
HPS Cold/Warm Reset	Yes	Yes	Yes
HPS Linux SMP Boot	Yes	Yes	Yes
Ethernet (EMAC controller)	Yes	Yes	No
Synopsys UART controller	Yes	Yes	No
Synopsys Watchdog timer	Yes	Yes	No
Synopsys SDMMC controller	Yes	Yes	No
Cadence QSPI controller	Yes	Yes	No
Denali NAND controller	No	No	No
Synopsys GPIO controller	No	No	No
Synopsys USB controller	No	No	No
Synopsys I2C master controller	No	No	No

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FPGA Feature	Stratix 10	Agilex	eASIC N5X
FPGA Configuration	Yes	Yes	No
Partial Reconfiguration	Yes	Yes	No
Remote System Update (RSU)	Yes	Yes	No

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FCS Feature1	Stratix 10	Agilex	eASIC N5X2
Attestation Services	Yes	Yes	No
SDOS Services	No	Yes	No
Single Certificate	No	Yes	No
Get Provision Data	No	Yes	No
Random Number Generator	No	Yes	No

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Notes

¹ FCS Feature Not supported in Intel Quartus Prime Pro 20.4

² eASIC N5X only for early access and only supported in Simics software virtual Platform

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4. Major Changes

1. Upgrade Intel SoC FPGA TF-A to version socfpga_v2.4.1

   • Based on TF-A version 2.4 official release

2. Extend the support for SMC Command

   • Adding SMC support for Get JTAG USERCODE

3. Extend the FPGA Crypto Service (FCS) support

   • Refer to section 3 FCS Feature

4. Enable F2S bridge enable and disable support

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5. Known Issues and Limitation

1. Uboot + TF-A Boot Flow

   • Supported in altera-opensource/u-boot-socfpga branch:socfpga_v2020.04 onwards

2. TF-A eASIC N5X Support

   • Current release only have support for BL31
   • Hence TF-A only usable as secure monitor for eASIC N5X platform

3. Vendor Authorized Boot (VAB)

   • Not supported for TF-A + UEFI boot flow for this release
   • BL2 -> BL31 -> UEFI -> Linux

4. Double-Bit Error Handling in EL3

   • Linux EDAC framework failure in triggering DBE handling is reported
   • Processor cores are trapped in EL3
   • Fixes are delayed to next release cycle