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Our OpenWrt repository can be found at Binaries can be downloaded from our archive server.

Until the board is upstreamed into OpenWrt, development is done by periodically rebasing on the latest OpenWrt development tree - please check which one is the most recent before downloading.

There are two flavours to choose from in the OpenWrt build system (under 'NXP Layerscape -> ARMv8 Based Boards')

  1. traverse-ls1088 is for images that boot from block storage (NVMe, USB drives and SD cards).

    This generates an image that will work with the U-Boot distroboot process.

  2. traverse-ls1088-mtd is for images that boot from raw flash devices (e.g SPI-NAND).

    The kernel in this image is a FIT binary containing the device tree.

Installing OpenWrt to NAND

Our build process will generate binaries for both variants listed above.

To install OpenWrt into a NAND partition from the recovery system:

  1. Check your MTD layout

Your U-Boot and Recovery need to implement the dual-ubi partition scheme, which is the default starting September 2020.

In U-Boot

In recovery: cat /proc/mtd

dev:    size   erasesize  name
mtd0: 00100000 00001000 "bl2"
mtd9: 06c00000 00020000 "ubia"
mtd10: 06c00000 00020000 "ubib"
  1. Download the ubifs binary

The binary for NAND has the format openwrt-layerscape-armv8_64b-traverse_ls1088-mtd-ubifs-nand.ubi

  1. Write the binary to the ubifs partition
root@recovery000afa242400:/tmp# ubiformat /dev/mtd9 -f openwrt-layerscape-armv8_64b-traverse_ls1088-mtd-ubifs-nand.ubi
ubiformat: mtd9 (nand), size 113246208 bytes (108.0 MiB), 864 eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
libscan: scanning eraseblock 863 -- 100 % complete
ubiformat: 863 eraseblocks have valid erase counter, mean value is 6
ubiformat: 1 bad eraseblocks found, numbers: 819
ubiformat: flashing eraseblock 247 -- 100 % complete
ubiformat: formatting eraseblock 863 -- 100 % complete