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-v1.4

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-v1.4
Release manifest default.xml
Date 11/29/2021
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.v42.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 cad9e7175c3f5984999a5eb7abea02ccb2d0cda3
Kernel https://github.com/varigit/linux-imx 5.4-2.1.x-imx_var01 63c1015da979d2d9dc416edf6caef4fa6ff691ac
meta-variscite-fslc https://github.com/varigit/meta-variscite-fslc dunfell c5b2b352d2bf67b25acfca9c14e7e25a27718b84


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 1.4
U-Boot: Introduce support for the i.MX8QP SoC
U-Boot: Provide som_wifi kernel argument
U-Boot: Do not compile ahab.c for SPL
Linux: Introduce support for the i.MX8QP SoC
Linux: sn65dsi83: Add device tree property to swap LVDS Channel A/B
Linux: enable internal pullups for i2c0, i2c1, i2c3, i2c4 Previously, internal pulldowns were enabled
Release 1.3
Updated the kernel from 5.4.85 to 5.4.142
Updated the Yocto meta layers to latest:

yocto/poky

yocto/meta-freescale

oe/meta-openembedded

oe/meta-python2

freescale/meta-freescale-3rdparty

freescale/meta-freescale-distro

freescale/Documentation

QT5/meta-qt5

sbabic/meta-swupdate

yocto/meta-virtualization

varigit/meta-variscite-fslc

linux-firmware: update TI WL18xx BT service pack to v4.7
linux-firmware: Update BT/Wi-Fi firmware for bc43xx to 8.5.0.7
linux-firmware: update TI WL18xx to WiFi FW 8.9.0.0.88
fsl-image-gui: Add libgpiod and libgpiod-tools
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