VAR-SOM-MX8 Release Notes

From Variscite Wiki

VAR-SOM-MX8 / SPEAR-MX8 Release Notes

Yocto sumo-fsl-4.14.98-mx8-v1.9

1 Release Notes

Based on release Yocto: Poky 2.5, BSP: NXP L4.14.98-2.0.0_ga, Linux: imx_4.14.98_2.0.0_ga
Release tag sumo-fsl-4.14.98-mx8-v1.9
Date 6/23/2020
Supported platforms VAR-SOM-MX8 / SPEAR-MX8
SOM revision v1.1 and higher
Variscite BSP git
Variscite BSP branch sumo-imx-4.14.98-var01
Variscite BSP commit ID 6b150c1c24763a7e6238f4f15f64259e48fab5e9
Kernel git
Kernel branch imx_4.14.98_2.0.0_ga_var01
Kernel commit ID 9d26d0a1da22f0a642721a2f9c7af0386b5930c0
U-Boot git
U-Boot branch imx_v2018.03_4.14.98_2.0.0_ga_var01
U-Boot commit ID 6751d25fb2cb6a90dc7e261f8d789be040c1b0cb
File System build system Yocto Sumo
Recovery SD card link var-som-mx8-recovery-sd.v110.img.gz

Note: Some web browsers have removed FTP support. Please see our FTP wiki page or download using the command line:

$ wget 

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

2 Change Log

Change List Description
Release 1.9
VAR-SOM-MX8: Added support for Symphony-Board revision 1.3A Added internal RX delay for Ethernet PHY on Symphony-Board
Release 1.8
Upgraded SCFW to version 1.2.10
Upgraded SCFW DRAM configuration to RPA V19 CBT
Added SCFW support for reading DRAM configuration from EEPROM Required to support various DRAM sizes and configurations using a single boot image
Enabled U-Boot SPL Required for customized DRAM configurations in SC firmware
Enabled U-Boot support for reading DRAM size from EEPROM Instead of hardcoding DRAM size in U-Boot configuration, read actual DRAM size from EEPROM
Fixed alsactl store/restore sequence alsactl -f state.conf store/restore sequence was failing due to driver bug, fixed now
Fixed Bluetooth suspend/resume sequence
Release 1.7
Fixed WiFi detection on latest revision of VAR-SOM-MX8
Release 1.6
Upgraded SCFW to version 1.2.8 Required to support latest CPU and PMIC revisions
Release 1.5
Added Android support for SPEAR-MX8
Fixed capacitive touch interrupt for VAR-SOM-MX8 Fixes capacitive touch on Symphony-Board v1.2, backwards compatible with older Symphony-Board revisions
Release 1.4
Added Yocto support for SPEAR-MX8
Release 1.3
Added Android support for VAR-SOM-MX8
Release 1.2
Added HDMI and DP support for VAR-SOM-MX8 HDMI and DP displays are now supported via Variscite extension modules
Fixed DRAM instability problem Updated to latest NXP ATF release that fixes Cortex A72 cache configuration
Disabled U-Boot splash on LVDS display Fixes U-Boot hang on reboot when HDMI or DP displays are connected
Fixed occasional WiFi driver crashes on reboot/poweroff Do not stop Variscite WiFi service or reboot/poweroff as this causes occasional WiFi driver crashes
Release 1.1
Initial Yocto release for VAR-SOM-MX8
Known Issues Description
SATA is disabled on SPEAR-MX8 i.MX8QM SATA support in Linux is currently not stable, disabled in DTS
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