I’m testing out the Rock5 B I just got, and the NVMe speed over PCIe gen3 x4 is very nice (seeing 3+ GB/sec with a good NVMe SSD)… so I was trying to get it to boot off NVMe.
microSD booting works, and I can format and mount the NVMe drive I’m using (Kioxia 1TB XG6 SSD), but if I try flashing the debian image to the NVMe drive (using Etcher) then booting off it, the Rock5 just sits and doesn’t boot (no HDMI output, I don’t have serial plugged in).
I’m wondering, since it looks like the NVMe boot functionality was committed only recently (see https://github.com/radxa/u-boot/commit/61c7b9bbea052248f2228186c9ae6090d3967165), maybe the firmware on my board isn’t updated to be able to do it? Or is this not supported on the Rock5 B yet?