Release notes - 2022.05.12

Release tag

The manifest tag for this release is TC1-2022.05.12

Components

The following is a summary of the key software features of the release:

  • Yocto based BSP build supporting Android and Poky distro.

  • Trusted firmware-A for secure boot.

  • System control processor(SCP) firmware for programming the interconnect, doing power control etc.

  • U-Boot bootloader.

  • Hafnium for S-EL2 Secure Partition Manager core.

  • OP-TEE for Trusted Execution Environment (TEE) in Poky.

  • Trusted Services (Crypto and Internal Trusted Storage) in Poky.

  • Trusty for Trusted Execution Environment (TEE) with FF-A messaging in Android.

Hardware Features

  • Booker CI with Memory Tagging Unit(MTU) support driver in SCP firmware.

  • GIC Clayton Initialization in Trusted Firmware-A.

  • Mali-D71 DPU and virtual encoder support for display in Linux.

  • MHUv2 Driver for SCP and AP communication.

  • UARTs, Timers, Flash, PIK, Clock drivers.

  • PL180 MMC.

  • DynamIQ Shared Unit (DSU) with 8 cores. 1 Makalu ELP + 3 Makalu + 4 Cortex-A510 (R1) cores configuration.

Software Features

  • Poky Distribution support.

  • Android S Support.

  • Android Common Kernel 5.10 with PAC/BTI/MTE

  • With Android S support, the KVM default mode of operation is set to protected. This is a nVHE based mode with kernel running at EL1.

  • Trusted Firmware-A & Hafnium v2.6

  • OP-TEE 3.14.0

  • Trusty with FF-A messaging

  • CI700-PMU enabled for profiling

  • Support secure boot based on TBBR specification https://developer.arm.com/documentation/den0006/latest

  • System Control Processor (SCP) firmware v2.10

  • Build system based on Yocto master

  • U-Boot bootloader v2022.01

  • Power management features: cpufreq and cpuidle.

  • SCMI (System Control and Management Interface) support.

  • Verified u-boot for authenticating fit image (containing kernel + ramdisk) during poky boot.

  • Android Verified Boot (AVB) for authenticating boot and system image during Android boot.

  • Software rendering on Android with DRM Hardware Composer offloading composition to Mali D71 DPU.

  • Hafnium as Secure Partition Manager (SPM) at S-EL2.

  • OP-TEE as Secure Partition at S-EL1, managed by S-EL2 SPMC (Hafnium)

  • Arm FF-A driver and FF-A Transport support for OP-TEE driver in Android Common Kernel.

  • OP-TEE Support in Poky distribution. This includes OP-TEE client and OP-TEE test suite.

  • Trusted Services (Crypto and Internal Trusted Storage) running at S-EL0.

  • Trusted Services test suite added to poky distribution.

  • Shim Layer at S-EL1 running on top of S-EL2 SPMC (Hafnium) used by Trusted Services running in S-EL0.

  • Tracing - Added support for ETE and TRBE v1.0 in TF-A, kernel and simpleperf. Traces can be captured with simpleperf. However, to enable tracing, the libete plugin has to be loaded while executing the FVP with --plugin <path to plugin>/libete-plugin.so

Platform Support

  • This Software release is tested on TC1 Fast Model platform (FVP). - Supported Fast model version for this release is 11.17.33

Known issues or Limitations

  1. At the U-Boot prompt press enter and type “boot” to continue booting else wait for ~15 secs for boot to continue automatically. This is because of the time difference in CPU frequency and FVP operating frequency.

Support

For support email: support-arch@arm.com

Copyright (c) 2021-2022, Arm Limited. All rights reserved.