ARV752DPW u-boot partition to small for recent u-boot
Username: Oliver Muth
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=975
Applies to 17.01.2 and trunk.
/target/linux/lantiq/dts/ARV752DPW.dts defines a uboot partition of 64k and places the firmware partition at 0×00020000.
There is no recent u-boot that would fit into 64k. The u-boot images in the LEDE repo are 192k.
The kernel_address should be 0×00040000 instead.
Sorry, I do not have the resources right now to download the source and create a proper patch. But the attached diff should give you an idea: