Does the ROCK64 use any closed source boot loaders, firmware, drivers or other blobs?

[mpb]

Okay, so to summarize @xalius's above post, we have:

Boot requires:

first stage boot loader (closed blob) -> u-boot (closed blob) -> Linux kernel (open)

However, this might improve to:

first stage boot loader (closed blob) ->  u-boot spl for RK3328 (open?) -> Linux kernel (open)

(Aside: According to info at https://github.com/rockchip-linux/u-boot, it looks like "spl" stands for secondary program loader.)

Also, the using ARM Mali GPU requires a closed blob driver.  For all HDMI output?  Or just for 2D and/or 3D hardware acceleration?

Is the network driver open?

Thanks!