Yocto

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• Yocto version upgrade to 3.4 (Honister) 

• Deprecated usage of BOARD/BOARD_VARIANT in favor of machine inheritance model

• Root login and auto-login disabled by default, default user set to petalinux with password expiration on first login

• systemd as default init manager on aarch64 architecture (was sysVinit)

• python2 has been deprecated.

• microblaze_lite has been deprecated and renamed microblaze_full to microblaze-generic (similar to other generic machines)

• Versal DFX Single slot support.

FS-Boot

Zynq-7000 FSBL

Zynq UltraScale+ FSBL

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

Zynq UltraScale+ FSBL:

• Added support for ZCU670 boards for SPD support

PMUFW (Platform Management Unit Firmware)

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Added IOCTL support for dynamic SD, GEM and USB configuration under ENABLE_DYNAMIC_MIO_CONFIG macro which is disabled by default

• Added provision in ZynqMP PMUFW to skip XFPGA_SECURE_MODE macro

• Added support for feature check API

• Implemented new API's to get XilFPGA component information

• Provided user option to manually enable DDR XMPU settings using ENABLE_DDR_XMPU macro which is disabled by default

PLM (Platform Loader and Manager)

• Versal

• EAM module in PLM updated to meet safety requirements

• PLM error behavior updated for Slave PDIs in SSIT devices

• Support for skipping MJTAG work-around image when boot mode is JTAG or reset reason is not ePOR

• PLM memory footprint improvements

Secure Libraries and Drivers

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• XilPUF client support

• Support extended to PLM MicroBlaze for Versal Secure libraries (XilSecure, XIlNVM, XilPUF) client side and TRNG driver

• Library specific utility functions replaced with those of standard library functions

Trusted Firmware-A(TF-A)(old name Arm Trusted Firmware (ATF))

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• TF-A upgraded to upstream v2.6 version

• Disabled the -mbranch-protection flag as this was causing the TF-A size increase with new gcc 11.2 version

• Added multiple IRQ handler support in Versal

• Common callback type used for core and subsystem for Versal

• Added support for getting the xilfpga component information in ZynqMP

• Added common interfaces to handle EEMI commands in Versal

• Added support for parsing module id from EEMI API ID in Versal

• Enhanced PM_IOCTL EEMI API to support additional arguments in Versal

• Added support for using common interface for EEMI APIs in ZynqMP

• Added support for the ProvenCore Secure OS in ZynqMP

U-Boot

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• U-Boot upgraded to mainline 2022.01 Version

• Added ZynqMP pinctrl driver

• Added ZynqMP GPIO modepin driver

• Added support for slg7xl45106 i2c GPO expander

• Added power domain driver to load dynamic PMU config object

• Added USB2244 USB driver (SD over USB)

• Added USB5744 USB driver (USB hub reset)

• Dynamic SD configuration support

• Support for reading the MAC address from Multirecord FRU data

• Added support to read ethernet-phy-id from PHY node and reset the PHY with gpio

Device-tree Generation (DTG)

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• Added classoc SOC support for Versal

• Wide concat block supported in DTG

• Added versal-net platform support in DTG

Linux Kernel and Drivers

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• Linux Kernel upgraded to 5.15

• TTC PWM Linux driver updated to support dynamic fan control

• Propagation of PL configuration failure errors to user space

• FreeRTOS version upgrade to v10.4.6

• TMR MicroBlaze experimental support at Linux for error injection, detection and reporting.

• Dynamic SGMII configuration support for ZynqMP GEM in Linux driver

• Optional UDP "block till sent" support for LWIP AXI Ethernet and GEM

• Dynamic Device Tree configuration support for ZynqMP SD Linux driver

OpenAMP and Libmetal

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• SOM support - install apps from DNF, use remoteproc and rpmsg

• More comprehensive support of OCM and TCM memory banks in kernel driver from perspective of powering up required power islands

• Upgraded to 2021.10 upstream OpenAMP and Libmetal

VCU (Video Codec Unit)

• Zynq UltraScale+ MPSoC

• Updated V4l2, PS DP DRM and VCU kernel driver SW to support 5.15 Linux kernel

• Gstreamer xilinx repos are rebased to support v1.18.5

• Dmafd support for VCU Encoder output.

• YUV444 support for encoder and decoder using Xilinx custom solution.

• Moved VCU encoder/decoder clk setting to vcu-modues because per upstream commit a2fe7, xlnx_vcu driver is just a clock controller driver which provides clocks that can be used by driver/s for the enc/dec units. Also updated VCU DT node with updated clk name sequence and index as per upstream driver.

QEMU

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• Updated to 6.1.0 QEMU version 

• WDT support in Zynq UltraScale+ MPSoC

• Vitis AIE/AIE2 NPI forwarding support in Versal ​

• Bitstream loading 

Xen

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• Xen updated to 4.16, the latest upstream Xen release

• PV Drivers support for Dom0less VMs

• Plain Share memory and event channels for VM-to-VM communication

• Dynamic FPGA assignment to running VMs

  • Program an FPGA bitstream at runtime, then assign the new hardware resources to any VM, new or already running

• Out of the box device assignment configurations

BSP, Drivers and Libraries

• MicroBlaze

• Zynq-7000

• Zynq UltraScale+ MPSoC

• Zynq UltraScale+ RFSoC

• Versal

• XilPM library: ZynqMP: Added IOCTL support for dynamic feature enablement

• XilFPGA: Replaced library specific utility functions and standard lib functions with Xilinx maintained secure functions

• XilFPGA and Linux FPGA manager version and feature check to maintain backward compatibility for Zynq UltraScale+.

• New level shifter(Auto Direction) support in SD BareMetal

• Erase feature support in SD/eMMC driver and xilffs library

• XilPM: Versal: IOCTLs for AIE/AIE2 operations required for Partition Init and Teardown

• XilPM: Versal: Support for AIE dynamic clock frequency scaling via QoS field

• XilPM: Versal: Client library support for PL MicroBlaze ( Limited to IOCTL APIs)

• XilPM: Versal: IOCTL for secure register access

AI Engine (AIE)

• Versal* (AI Core Series)

• SYSFS updated for FIFO counter

• Dynamic Clock Frequency 

• Baremetal Error handling

Component Name

Platform/SoC Supported

Feature Description

Yocto

• Kria/Zynq UltraScale+ MPSoC

• Added KR260 support in meta-layers and recipes

• Added yocto machines for K26-SOM and KV260-Starter-Kit to enable pure Yocto workflow

• Integration of meta-provenrun to support the ProvenCore secure OS

• Integration of meta-accelize to support the Accelize DRM solution

Linux Kernel and Drivers

• Kria/Zynq UltraScale+ MPSoC

• SLG7XL45106 I2C GPO Linux driver support for reset expansion

• USB2244 Linux driver support for SD over USB

• Dynamic configuration of GEM and SD

Zynq UltraScale+ FSBL

• Kria/Zynq UltraScale+ MPSoC

• Updated version-less FSBL to be able to work for both KV260 and KR260

Image Recovery Application

• Kria/Zynq UltraScale+ MPSoC

• Updated image recovery to support both KV260 and KR260

• Added support in image recovery to load / update wic image in eMMC on SOMs that have eMMC populated

PMUFW (Platform Management Unit Firmware)

• Kria/Zynq UltraScale+ MPSoC

• Updated to give/change permissions for writing another overlay config object

• Cleanup of dynamic feature config logic to enable them only if dynamic feature config is enabled

OpenAMP and Libmetal

• Kria/Zynq UltraScale+ MPSoC

• Remoteproc & Rpsmg enabled in kernel & device tree

• OpenAMP based RPU applications pre-built for SOM can be used out of box

QEMU

• Kria/Zynq UltraScale+ MPSoC

• ​Added k26-starterkit support

SOM Utilities

• Kria/Zynq UltraScale+ MPSoC

• Extended fru-print to read KR carrier card MAC addresses

• Support for apt package manager in xmutil getpkgs command (used by Ubuntu)

• Added python bindings to platformstats

• Updated som-dashboard to use new platformstats python bindings

• Added new k26 default firmware to connect on-board fan

• Added lmsensors-fancontrol configuration

Component Name

Platform/SoC Supported

Feature Description

Yocto

• Kria/Zynq UltraScale+ MPSoC

• Initial release of meta-xilinx-tsn layer (GitHub - Xilinx/meta-xilinx-tsn )

• Initial support for meta-ros2-humble layer (meta-ros/meta-ros2-humble at rel-v2022.1 · Xilinx/meta-ros )

• Various component upgrades

Linux Kernel and Drivers

• Kria/Zynq UltraScale+ MPSoC

• Dynamic loading/unloading fixed on TSN driver

• Fixing reset sequence when bitstream is dynamically loaded

• AMS/SPI: Fixed shift out of bound issues

• Fixed macb phy sequence in suspend/resume

• DT: Specify push button via DT

• DWC3: Fixed GT line configuration in probe and resume

• Enabled IMX219 device driver

Xen

• Kria/Zynq UltraScale+ MPSoC

• Fixed a bug in the Xen SMMU driver affecting device assignment to guests

Image Update Application

• Kria/Zynq UltraScale+ MPSoC

• Renamed fru-print. py to fru-print

U-Boot

• Kria/Zynq UltraScale+ MPSoC

• Fixed USB crash issue when connected with low speed device(Keyboard/mouse) behind USB hub

XMUTIL

• Kria/Zynq UltraScale+ MPSoC

• xmutil: Added Makefile with install target

• som-pwrctl: Fixed logic for power status check

• xmutil: Renamed fru-print. py to fru-print

  • xmutil: Updated query string for apt search command

DFXMGR

• Kria/Zynq UltraScale+ MPSoC

• Addressed memory leaks

• Removed dead code

• Improved error reporting for dfx-mgr-client

• Moved dfx-mgr.service file

Platform stats 

• Kria/Zynq UltraScale+ MPSoC

• Makefile changes for easier Yocto and Ubuntu packaging

• Added moving average prints for power info

• Added option to log data to a file

• Fixed incorrect external symbol declaration

LIBDFX

• Kria/Zynq UltraScale+ MPSoC

• libdfx: Added versioning for shared object files that are being generated

• libdfx: Updated installation directory to CMAKE_INSTALL_LIBDIR.

• Added support for generating shared obj library of libdfx.

Component Name

Platform/SoC Supported

Feature Description

Yocto

• Kria/Zynq UltraScale+ MPSoC

• Update meta-vitis layer (GitHub - Xilinx/meta-vitis at rel-v2022.1 )

• Update Vitis AI to v2.5

• Update VVAS to v2.0

Linux Kernel and Drivers

• Kria/Zynq UltraScale+ MPSoC

• Ethernet cadence MACB driver fixes:

  • Probe MDIO producer first

  • SGMII non-wakeup source resume failure

• FRU print tool updated for PCIe info and EEPROM device path control

• xlnx-linux updates:

  • Added SGMII Ethernet WOL functionality

  • Updated Kria USB drive strengths & slew rates

  • Enabled DisplayPort for KV260-Rev.A boards