Release date: 02/04/2018

Variscite is pleased to inform about the new Debian Stretch update for our VAR-SOM-MX7 module family.
Modules: VAR-SOM-MX7 (including VAR-SOM-MX7 and VAR-SOM-MX7-5G). 
Release: mx7-som-debian-recovery-sd.v51 (Debian 9, Stretch).

Noteworthy updates:

  • U-Boot: Add SPL support – and read DDR values & production info from EEPROM
    • Critical update that allows future-proofing your SW build and automatically support new DDR3 component generations
  • WiFi/BT startup sequence update
    • Fix a rare case of WiFi firmware load failure on VAR-SOM-MX7-5G
  • FreeRTOS/M4 RPMsg fix
    • The hard-coded vring buffer has been removed from the driver: input the vring buffer by device tree node
  • rc.local: Adapted runtime PM fix to kernel 4.9.x
  • Limit the max CPU freq. to 1 GHz in accordance with its specification
  • U-Boot: Add support for custom kernel args by setting a kernelargs env. var.
  • U-Boot: Add option to import the env. from a text file, uEnv.txt
  • U-Boot: Remove unused pads from NAND configuration
  • Use tar.gz instead of tar.bz2 for the eMMC/SD card rootfs
    • Its extraction on the target is much faster while its compression ratio is only a little lower.
  • Add the net-tools package by default
    • This package includes tools like arp, ifconfig, netstat, route, etc.
  • debian-nand.sh: Preserve the NAND flash erase counters
  • Fix OV5640 driver for S_FMT and MX6S SOC drivers
  • Disable SAI2 in device tree
    • By default, SAI2 is not connected to BT PCM, so leave it free as GPIOs

 

External Information
Release notes
Recovery SD card changelog
Developers info