View source for DART-6UL Yocto R2 NAND Recovery

{{DocImage|category1=DART-6UL|category2=Yocto}}
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 mx6ul-dart-recovery-sd.vXX.img.gz (latest) which is available on Variscite's FTP: ftp://customerv:Variscite1@ftp.variscite.com/DART-6UL/Software/legacy-images
{{:VAR-SOM-MX6_Yocto_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 DIP switches are set to SD card: [[DART-6UL Yocto Jethro R1 build#Setting the Boot DIP switches|Setting the Boot DIP switches]]
* Power up the board - it will boot into Linux from the SD card

=== Flash from GUI ===
[[File:DART-6UL_Recovery.png]]
<br><br>
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, type one of flash options
<pre>
$ install_yocto.sh	- Flash Yocto into eMMC or NAND Flash (Follow instructions)
</pre>

=== SD card image file tree ===
<pre>
/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.bz2
    ├── rootfs.ubi
    ├── SPL-nand
    ├── SPL-sd
    ├── u-boot.img-nand
    ├── u-boot.img-sd
    └── zImage
</pre>

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