Hello everyone.
I want to make an firmware_ls1043ardb_sdboot.img file with the U-boot 2017.07-g503eff0 version via Flex-Builder.
is it possible to do such a thing?
How to proceed to make a boot on SD with an old version of uboot?
I am currently making mine firmware_ls1043ardb_sdboot.img file with this flex-builder version:


In this version I get U-boot 2021.04.
i want U-Boot version U-boot 2017.07-g503eff0.