VAR-SOM-MX6 Yocto NAND Recovery: Difference between revisions

From Variscite Wiki
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*From Linux command line, type: "nand-recovery.sh" (This will install Yocto/Linux on the NAND)
*From Linux command line, type: "nand-recovery.sh" (This will install Yocto/Linux on the NAND)
*To install Android type: "nand-recovery.sh -o Android".
*To install Android type: "nand-recovery.sh -o Android".
*To install Yocto Dora type: "nand-recovery.sh -o Dora".
*Reboot and Unplug the SD card
*Reboot and Unplug the SD card

Revision as of 07:16, 24 December 2014

Variscite provides a recovery SD-card image that can be used to install the pre-built U-Boot, Linux kernel and the UBI file system into the Nand-Flash This SD card image includes a script (nand-recovery.sh) that installs all the boot images and root file-system.

Preparing rescue SD-Card:

  • Plug-in the supplied SD card to your Linux machine, run dmesg and see which device is added (i.e. /dev/sdX or /dev/mmcblk0)
  • Download mx6qd-som-nand-recovery-sd.v32.img.gz (or latest which is available on Variscite's FTP)
  • For the Dual lite download mx6dl-som-nand-recovery-sd.v32.img.gz
  • For the Solo download mx6solo-som-nand-recovery-sd.v32.img.gz
$ gunzip mx6qd-som-nand-recovery-sd.v32.img.gz
$ sudo dd if=mx6qd-som-nand-recovery-sd.v32.img of=/dev/sdX bs=128k

Recover Nand Flash:

  • Insert the SD card into the SD/MMC slot of the custom board
  • Press and hold the boot-select button, power-off and power-on the board
  • The board will automatically boot into Linux from SD-Card

Flash from GUI

Desktop1 1.png

  • Press the right arrow on the upper right corner to change the desktop into Utilities.

Desktop2 1.png

  • Push FlashAndroid or FlashYocto icon.

Flash from command line

  • Login as root (no password)
  • From Linux command line, type: "nand-recovery.sh" (This will install Yocto/Linux on the NAND)
  • To install Android type: "nand-recovery.sh -o Android".
  • To install Yocto Dora type: "nand-recovery.sh -o Dora".
  • Reboot and Unplug the SD card