OpenIPC Wiki

Table of Content

Instructions for installing OpenIPC firmware on SigmaStar devices

SSC338Q + IMX415 + NAND flash, board from CamHi vendor

Quick note on experiments, will be revised and updated

The files for this experiment are temporarily available here

Explanations

The Sigmastar IPL (pre-bootloader) allows to boot a custom U-Boot from the sdcard. The provided UBOOT + uImage.ssc338q is a fully working openipc firmware, that you can connect to via SSH / WEB over the ethernet connection.

With this temporary openipc firmware you can create a backup of the internal NAND and flash the permanent openipc firmware to the NAND.

Prepare

Here is the sdcard firmware to install openipc to the nand flash.

Connect your SD card to your computer, create a 1 GB partition on it, format it as FAT32 / VFAT.
In Linux you just need to use the commands fdisk and mkfs.vfat
Mount disk and unpack ssc338q_initramfs.zip and copy both files to the root directory.
The UBOOT and uImage.ssc338q is used for the temporary sdcard system and to gain access to the NAND flash.
Reboot the device and let it start from the SD card
\color{red}{\texttt{Do not stop the bootloader under any circumstances!}}

Backup

The /dev/mtd0 uses the complete partition size of the nand flash, so this can also be used for a backup.
But this might take some time, the backup to the sdcard is very slow.

nanddump -f /mnt/mmcblk0p1/backup-nand.bin /dev/mtd0

Install

The ssc338q-nand.bin includes the current distributor bootloader and nand ultimate firmware.

flash_eraseall /dev/mtd0
nandwrite /dev/mtd0 /mnt/mmcblk0p1/ssc338q-nand.bin

Buying a device (CamHi vendor)

https://aliexpress.com/item/1005002879158570.html

SSC338Q + IMX415 + NOR flash, board from Anjoy vendor

Information collection continues

Buying a device (Anjoy vendor)

https://aliexpress.com/item/1005003738087454.html

Other notes

For testing please use the MPV player, in which the Shift+I key combination can be used to get debugging information.

2.3 KiB Raw Blame History