Sandbox

Yocto Recovery SD card

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Variscite provides a recovery SD card image that can be used to install the pre-built U-Boot, Linux kernel and the file system into the internal storage of the SOM.

Download the recovery SD card image

Download morty-fslc-4.1.15-mx6ul-v1.0.img.gz from Variscite's FTP server: ftp://customerv:Variscite1@ftp.variscite.com/DART-6UL/Software/fslc
See the detailed Release Notes

Recovery SD card general

Recover NAND flash/eMMC

• Power-off the board.
• Insert the SD card into the SD card slot of the carrier board (DVK)
• Make sure the Boot Mode is set to SD card: see Setting the Boot Mode section
• Power up the board - it will boot into Linux from the SD card

Flash from GUI

File:DART-6UL Recovery Sumo.png

Touch/Click on the appropriate icon:

• Install Yocto NAND, WiFi: Flash Yocto with WiFi support to NAND flash
• Install Yocto NAND, SD card: Flash Yocto with SD card support to NAND flash
• Install Yocto eMMC (SD/WiFi) : Flash Yocto to eMMC (installs both SD card and WiFi dtbs to the BOOT partition and let U-Boot select between them at boot time)

Flash from command line

• Login as root (no password)
• From Linux command line, run the following script:

# install_yocto.sh	- Install Yocto to the SOM's internal storage (follow the printed instructions)

SD card image file tree

/opt/images/
└── Yocto
    ├── imx6ul-var-dart-emmc_wifi.dtb
    ├── imx6ul-var-dart-nand_wifi.dtb
    ├── imx6ul-var-dart-sd_emmc.dtb
    ├── imx6ul-var-dart-sd_nand.dtb
    ├── imx6ull-var-dart-emmc_wifi.dtb
    ├── imx6ull-var-dart-nand_wifi.dtb
    ├── imx6ull-var-dart-sd_emmc.dtb
    ├── imx6ull-var-dart-sd_nand.dtb
    ├── rootfs.tar.gz
    ├── rootfs.ubi
    ├── SPL-nand
    ├── SPL-sd
    ├── u-boot.img-nand
    ├── u-boot.img-sd
    └── zImage

The install_yocto.sh script file is located at /usr/bin/