All 11 page KiCAD conversion complete and uploaded. Now moving to layout - done up Allwinner R40 BGA and 8GB eMMC BGA footprints.
https://hellosemi.com/KiCAD_Linux_Boards.html
Thinking first board will be a minimalist square board with SoC 2GB DRAM serial uSD HDMI PMIC SATA USB flash just to get it to boot.
sounds eminently sensible.