VAR-SOM-MX8 Release Notes

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VAR-SOM-MX8 / SPEAR-MX8 Release Notes

Yocto dunfell-fslc-5.4-2.1.x-mx8-v1.2

Release Notes

Based on release Yocto: Poky 3.1, BSP: FSLC 3.1, Linux: 5.4-2.1.x-imx
Release tag dunfell-fslc-5.4-2.1.x-mx8-v1.2
Release manifest default.xml
Date 08/04/2021
Supported platforms VAR-SOM-MX8 / SPEAR-MX8
SOM revision v1.1 and higher
File System build system Yocto Dunfell
Recovery SD card link var-som-mx8-recovery-sd.v40.img.gz
Cortex M4 U-Boot supportMCUXPRESSO_2.9.0_V1.0_VAR-SOM-MX8
Cortex M4 Linux remoteproc supportMCUXPRESSO_2.9.0_V1.0_VAR-SOM-MX8

Relevant git Repositories

Source Repository Branch Commit ID
U-Boot https://github.com/varigit/uboot-imx imx_v2020.04_5.4.24_2.1.0_var02 b3eb88c9fe46ee45371051092298f1cf3e686dfb
Kernel https://github.com/varigit/linux-imx 5.4-2.1.x-imx_var01 601330bfa4d56345159cb571f90b0e19adebb1fd
meta-variscite-fslc https://github.com/varigit/meta-variscite-fslc dunfell bb4af2bea9262902efe8d90e3e30be11109e9890


After downloading the image, visit our Recovery SD card guide to learn how to program a recovery SD card.

Change Log

Change List Description
Release 1.2
Fix occasional device errors on USB3503 hub usb 1-1.2: device no response, device descriptor read/64, error -71
wm8904: extend device tree support Re-work DMIC support to address low volume issue
Bluez-alsa Replace pulseaudio with bluez-alsa

Play audio over Bluetooth using alsa without pulseaudio

systemd-serialgetty: Use standard target filesystem paths
bcm43xx-utils: Use standard target filesystem paths
systemd: add dependencies to avoid conflict between connman and systemd-networkd
psplash: switch to using png images for logo and bar
pm-utils: wifi: force connman/wpa_supplicant restart
Move bbappend to dynamic layers
Release 1.1
Added support for loading the M4 firmware using the Linux Remoteproc Framework
Added support for loading the M4 firmware using U-Boot
Disabled audiomix
Fixed SPI dma issue
Release 1.0
Initial Yocto Dunfell release for VAR-SOM-MX8 and SPEAR-MX8
Known Issues
HDMI and DP suspend/resume crash Using HDMI or DP display, resume from suspend ends up in a kernel crash
USB Type-A ports are not supported in U-Boot on SPEAR-MX8 U-Boot USB driver does not recognize USB devices behind the hub