Well, rk3528 are a new thing around; multitool is half-working so far. It is enough to grab a backup in my case. During my tests and experimentations, I found I was unable to boot from sdcard if the eMMC was completely erased. I would like to understand what is wrong here and why this boot issue is happening, since all other rockchip socs I know do boot from sdcard when the eMMC is empty. This is quite essential for multitool, since it should be a maintenance tool and if it does not boot in