DART-6UL Debian Recovery SD card: Difference between revisions
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Variscite provides a recovery SD card image that can be used to install the pre-built Debian images into the internal storage device of the SOM. | Variscite provides a recovery SD card image that can be used to install the pre-built Debian images into the internal storage device of the SOM. |
Revision as of 17:49, 16 June 2019
Variscite provides a recovery SD card image that can be used to install the pre-built Debian images into the internal storage device of the SOM.
Download the recovery SD card image
Download var-mx6ul-debian-recovery-sd.vXX.img.gz (latest) from Variscite's FTP server: ftp://customerv:Variscite1@ftp.variscite.com/DART-6UL/Software/debian/
See the detailed changelog
Write the image to an SD card
Using a Linux based host
Plug-in the SD card to your Linux HOST PC, run dmesg and see which device is added (i.e. /dev/sdX or /dev/mmcblkX)
$ gunzip mx6ul-dart-debian-recovery-sd.vXX.img.gz $ sudo umount /dev/sdX* $ sudo dd if=mx6ul-dart-debian-recovery-sd.vXX.img of=/dev/sdX bs=1M; sync (Replace /dev/sdX with your actual device)
Using a Windows based host
Download Win32 Disk Imager from: https://sourceforge.net/projects/win32diskimager/, install and run it.
Select the image file, and the SD card device - double check that the device is correct to avoid accidentally overwriting a different device.
Click on "Write".
No need to format the SD card before writing the image to it.
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: Setting the Boot DIP switches
- Power up the board - it will boot into Linux from the SD card
Flash from command line
- Login as root (password root)
- From Linux command line, type the following
$ debian-emmc.sh - Flash Debian into eMMC (for SOMs with eMMC) $ debian-nand.sh - Flash Debian into NAND flash (for SOMs with NAND flash)
SD card image file tree
/opt/images/ └── Yocto ├── imx6ull-var-dart-6ulcustomboard-emmc-sd-card.dtb ├── imx6ull-var-dart-6ulcustomboard-emmc-wifi.dtb ├── imx6ull-var-dart-6ulcustomboard-nand-sd-card.dtb ├── imx6ull-var-dart-6ulcustomboard-nand-wifi.dtb ├── imx6ull-var-som-concerto-board-emmc-sd-card.dtb ├── imx6ull-var-som-concerto-board-emmc-wifi.dtb ├── imx6ull-var-som-concerto-board-nand-sd-card.dtb ├── imx6ull-var-som-concerto-board-nand-wifi.dtb ├── imx6ul-var-dart-6ulcustomboard-emmc-sd-card.dtb ├── imx6ul-var-dart-6ulcustomboard-emmc-wifi.dtb ├── imx6ul-var-dart-6ulcustomboard-nand-sd-card.dtb ├── imx6ul-var-dart-6ulcustomboard-nand-wifi.dtb ├── imx6ul-var-som-concerto-board-emmc-sd-card.dtb ├── imx6ul-var-som-concerto-board-emmc-wifi.dtb ├── imx6ul-var-som-concerto-board-nand-sd-card.dtb ├── imx6ul-var-som-concerto-board-nand-wifi.dtb ├── imx6ulz-var-dart-6ulcustomboard-emmc-sd-card.dtb ├── imx6ulz-var-dart-6ulcustomboard-emmc-wifi.dtb ├── imx6ulz-var-dart-6ulcustomboard-nand-sd-card.dtb ├── imx6ulz-var-dart-6ulcustomboard-nand-wifi.dtb ├── imx6ulz-var-som-concerto-board-emmc-sd-card.dtb ├── imx6ulz-var-som-concerto-board-emmc-wifi.dtb ├── imx6ulz-var-som-concerto-board-nand-sd-card.dtb ├── imx6ulz-var-som-concerto-board-nand-wifi.dtb ├── rootfs.tar.gz ├── rootfs.ubi.img ├── SPL.mmc ├── SPL.nand ├── u-boot.img.mmc ├── u-boot.img.nand └── zImage
The debian-emmc.sh and debian-nand.sh script files are located at /usr/sbin/