VAR-SOM-MX6 Yocto Recovery SD card V80plus
From Variscite Wiki
VAR-SOM-MX6 - Yocto/Android recovery SD card
Variscite provides a recovery SD card image that can be used to install the pre-built Yocto or Andorid images into the internal storage device/s of the SOM.
Preparing a recovery SD card
- Download mx6-som-recovery-sd.vXX.img.gz (latest) which is available on Variscite's FTP: ftp://customerv:Variscite1@ftp.variscite.com/VAR-SOM-MX6/Software/
- 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 mx6-som-recovery-sd.vXX.img.gz $ sudo umount /dev/sdX* $ sudo dd if=mx6-som-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 GUI
- Yocto Jethro SOLOCB NAND: Flash Yocto on NAND flash, on VAR-SOLOCustomBoard
- Yocto Jethro SOLOCB eMMC: Flash Yocto on eMMC, on VAR-SOLOCustomBoard
- Yocto Jethro MX6CB Res NAND: Flash Yocto with Resistive touch panel support on NAND flash, on VAR-MX6CustomBoard
- Yocto Jethro MX6CB Cap NAND: Flash Yocto with Capacitive touch panel support on NAND flash, on VAR-MX6CustomBoard
- Yocto Jethro MX6CB Res eMMC: Flash Yocto with Resistive touch panel support on eMMC, on VAR-MX6CustomBoard
- Yocto Jethro MX6CB Cap eMMC: Flash Yocto with Capacitive touch panel support on eMMC, on VAR-MX6CustomBoard.
- Yocto Jethro DART (eMMC): Flash Yocto on eMMC, on VAR-DT6CustomBoard
- Android SOLOCustomBoard eMMC: Flash Yocto on eMMC, on VAR-SOLOCustomBoard
- Android MX6CB Cap: Flash Yocto with Capacitive touch panel support on eMMC, on VAR-MX6CustomBoard
- Android MX6CB Res: Flash Yocto with Resistive touch panel support on eMMC, on VAR-MX6CustomBoard
- Android DART: Flash Yocto on eMMC, on VAR-DT6CustomBoard
Flash from command line
- Login as root (no password)
- From Linux command line, type one of flash options
$ install_android.sh - Flash Android into eMMC (Follow instructions) $ install_yocto.sh - Flash Yocto into eMMC or NAND Flash (Follow instructions)
SD card image file tree
/opt/images/ ├── Android │ ├── SPL-mmc │ ├── SPL-nand │ ├── boot-imx6q-var-dart.img │ ├── boot-som-mx6dl-c.img │ ├── boot-som-mx6dl-r.img │ ├── boot-som-mx6q-c.img │ ├── boot-som-mx6q-r.img │ ├── boot-som-mx6q-vsc.img │ ├── boot-som-solo-c.img │ ├── boot-som-solo-r.img │ ├── boot-som-solo-vsc.img │ ├── recovery-imx6q-var-dart.img │ ├── recovery-som-mx6dl-c.img │ ├── recovery-som-mx6dl-r.img │ ├── recovery-som-mx6q-c.img │ ├── recovery-som-mx6q-r.img │ ├── recovery-som-mx6q-vsc.img │ ├── recovery-som-solo-c.img │ ├── recovery-som-solo-r.img │ ├── recovery-som-solo-vsc.img │ ├── system.img │ ├── u-boot-var-imx6-mmc.img │ └── u-boot-var-imx6-nand.img └── Yocto ├── SPL-nand ├── SPL-sd ├── 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 ├── rootfs.ubi ├── u-boot.img-nand ├── u-boot.img-sd └── uImage
The install_android.sh & install_yocto.sh script files are located at /usr/bin/