@caruso - i can confirm that your trust.img approach ist bringing the boot forward and the main part of u-boot is properly loaded, but for my box (2gb) sadly hangs quite early on:   ... U-Boot 2019.10-armbian (Nov 29 2019 - 09:50:19 +0300) Model: Rockchip RK3328 EVB DRAM:   looks like a memory timing issue to me ( @jernej - maybe any idea here too, although this is rockchip?). @caruso - on you website you have a file write_dd.txt in which you are writing more than