SPRACY5 July 2021 DRA821U , DRA821U , DRA829J , DRA829J , DRA829V , DRA829V , TDA4VM , TDA4VM , TDA4VM-Q1 , TDA4VM-Q1
Once u-boot is running on the board, you can use u-boot commands like “mmc write” to flash eMMC boot0 partition.