This is an old revision of the document!


Software Release for Petitboot

This page introduces you the update of Petitboot for ODROID-N2 and provides you an instruction on how SPI flash memory can be updated with a new version of Petitboot.


Petitboot (dev.20190408)

Please unplug the power supply before proceeding to update SPI flash memory with update image in SD card, otherwise, the image would not be recognized and updating would not start.

SPI updater image

The SPI updater image is intended to update SPI memory with given firmware image and it is build to boot from SD card.

In order to flash the downloaded update image, you can use dd, Echer or any flashing tool for your convience.

$ dd if=spiupdate_odroidn2_20190408+85.img of=<your/micro/sd/card> conv=fsync
Before you proceed updating SPI flash memory, strongly recommend remove eMMC and attach SD card while boot select switch is placed to MMC.

SPI firmware image

This instruction is suggested only when you have Petitboot which can boot from SPI flash memory

SPI firmware image is the image file in 8MB that is flashed into onboard SPI memory. This file can be recognized by U-boot of SPI memory and start to flash when the file is detected. The new SPI firmware image must be copied into the first partition of the SD card, not eMMC, eMMC may not help to update your SPI memory.

In order to update SPI flash memory with this firmware image, for example, if you have an SD card with Ubuntu image from Hardkernel, then the name of the first partition is BOOT.

Once the file is been copied, insert your SD card and reboot your ODROID-N2.