Modern amlogic SoCs seem to have done away with v2 usbburning mode (aml v2 factory burn) using the worldcup drivers with the command line "update" utility and the GUI usb burning tool. The reference u-boot code for these new SoCs does not seem to have the possibility to use the legacy v2 usbburning mode code.This is apparent in the soon-to-be-released Khadas VIM4, as well as all presently released amlogic designs using the S905X4, including askey's sti6220d315, sei's SEI800...Read more