VAR-SOM-MX6 Debian Recovery SD card

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VAR-SOM-MX6 - Debian recovery SD card

Variscite provides a recovery SD card image that can be used to install the pre-built Debian images into the internal storage device/s of the SOM.

Preparing a recovery SD card

$ gunzip var-mx6-debian-recovery-sd.vXX.img.gz
$ sudo umount /dev/sdX*
$ sudo dd if=var-mx6-debian-recovery-sd.vXX.img of=/dev/sdX bs=1M

(Replace /dev/sdX with your actual device)

Recover NAND flash/eMMC

  • Power-off the board.
  • Insert the SD card into the SD card slot of the carrier board (DVK)
  • Press and hold the boot-select button, and power-on the board while button is pressed
  • The board will automatically boot into Linux from SD card

Flash from command line

  • Login as root (no password)
  • From Linux command line, type the following
$ debian_install.sh	- Flash Debian into eMMC (Follow instructions)

SD card image file tree

/opt/images/
└── Debian
    ├── SPL.mmc
    ├── SPL.nand
    ├── imx6dl-var-som-cap.dtb
    ├── imx6dl-var-som-res.dtb
    ├── imx6dl-var-som-solo-cap.dtb
    ├── imx6dl-var-som-solo-res.dtb
    ├── imx6dl-var-som-solo-vsc.dtb
    ├── imx6dl-var-som-vsc.dtb
    ├── imx6q-var-dart.dtb
    ├── imx6q-var-som-cap.dtb
    ├── imx6q-var-som-res.dtb
    ├── imx6q-var-som-vsc.dtb
    ├── rootfs.tar.bz2
    ├── u-boot.img.mmc
    ├── u-boot.img.nand
    └── uImage

The debian_install.sh script file is located at /usr/sbin/