first of all: Thank you for all your hard work in for rk-devices ... and: I really appreciate yours and all others mainlining efforts. Thanks also for pushing the rk322x-bins to your branch ... this will make things easier... Problem in this case: Even if docs saying other things: If there are contents as ddr+miniloader at the first mmc (i.e. emmc), the contents from sd will always be ignored - this seems to be hardcoded in the srom/efuse ... only stuff starting at offset 0x4000 (u-boot, trustos ...) will be taken form sd card in this case ... i found this out in another annoying rk-night (you propably had more 
trying to get another ddr-bin to work - puhsing it directly to emmc helped ...
I just realized that there is dmc-support in mainline - but only for rk3399: linux/rk3399_dmc.c at master · torvalds/linux · GitHub ... this seems to be a 1:1-copy of kernel/rockchip_dmc.c at develop-4.4 · rockchip-linux/kernel · GitHub ... (only rk3399-part, no dfi) ... why did they do it? (was pushed by rk
