Release Notes

Based on release	Yocto: Poky 4.0, BSP: FSLC 4.0, Linux: lf-5.15.y
Release tag	mx8m-yocto-kirkstone-5.15-2.0.x-v1.5
Release manifest	kirkstone-5.15.xml
Date	07/28/2023
Supported platforms	DART-MX8M
SOM revision	v1.1 and higher
File System build system	Yocto Kirkstone
Recovery SD card link	mx8m__yocto-kirkstone-5.15-2.0.x-v1.5__android-13.0.0_1.2.0-v1.2.img.gz
Cortex M4 U-Boot support	MCUXPRESSO_2.12.1_V1.0_DART-MX8M
Cortex M4 Linux remoteproc support	MCUXPRESSO_2.12.1_V1.0_DART-MX8M

Relevant git Repositories

Source	Repository	Branch	Commit ID
U-Boot	https://github.com/varigit/uboot-imx	lf_v2022.04_var01	f6390c6805920d8f9b56e9fa8b4bdb507a90cce5
Kernel	https://github.com/varigit/linux-imx	5.15-2.0.x-imx_var01	a10598220c20e5b259f03e110edae4489f6df188
meta-variscite-bsp	https://github.com/varigit/meta-variscite-bsp	kirkstone	85815c2d3f28f2d64f7eadb6b8ee306d7f8761a3
meta-variscite-sdk	https://github.com/varigit/meta-variscite-sdk	kirkstone	f2918a4c46a4d47afe0c36ce55013c86d8b7e91c

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 1.5
U-Boot updates
lpddr4_timing: Align to RPA v33 + DDR Tool v3.31
Release 1.4
Yocto updates
meta-variscite-bsp updates
kernel: various updates and fixes
meta-variscite-sdk updates
fsl-image-gui-chromium: launch Chromium as non-root user to avoid warning
Release 1.3	Added Chromium with hardware accelerated graphics / GPU support
Yocto updates
meta-variscite-bsp updates
conf: variscite: add variscite-mirrors for codeaurora
conf: variscite: add variscite-mirrors for https
jailhouse: migrate source from codeaurora to github
meta-variscite-sdk updates
fsl-image-gui-chromium, weston-init: add launcher for Chromium in weston.ini
images: Add new fsl-image-gui-chromium image recipe
var-mii: introduce recipe
Release 1.2
Kernel updates
net: mdio: manage deassert time when controlling MDIO reset signal
net: fec: manage corner deferred probe condition
net: mdio: force deassert MDIO reset signal
imx8: imx8m: variscite: fix the machine compatible strings
crypto: caam: fix regression introduced by merge b20f217
arm64: imx8_var_defconfig: change usb ehci and ohci drivers to loadable
Yocto updates
meta-variscite-bsp updates
linux-firmware: bc43xx: add symbolic link to firmware for each model
linux-firmware: bc43xx: add symbolic link to firmware for each machine
Revert "variscite-wifi.service: Disable service stop
freertos-variscite: add 2.12.x support for imx8mn and imx8mq
linux-firmware: Update BT/Wi-Fi firmware for bc43xx to 10.54.0.13"
Release 1.1
U-Boot updates
ci_udc: Produce less verbose output doing ums command
soc: revert the changes introduced by LF-4200 and LF-3898-3
Kernel updates
add 20ms delay to ethernet regulator enable
net: phy: at803x: save vddio regulator state during probe
Yocto updates
meta-variscite-sdk updates
rng-tools: disable the jitterentropy. This is needed to avoid rngd to consume all four CPUs on boot for 60+ seconds.
packagegroup-var-ml: disable tensorflow-lite-vx-delegate for mx8mm
Release 1.0
Initial Yocto Kirkstone release	Based on FSLC 5.15-2.0.x-imx (kernel 5.15.60) which is based on NXP lf-5.15.32-2.0.0 and merged with Linux Stable 5.15.60
Known Issues
DNS does not work after disabling dnsmasq and configuring NetworkManager DNS	Fixed by dnsmasq: enable dbus packageconfig