Very slow kernel/initrd download (RPI + U-boot)

[ljfranklin]

(2019-09-20 03:51)NiKiZe Wrote:  Ah ... there is a named config in iPXE for the Pi: https://git.ipxe.org/ipxe.git/tree/HEAD:/src/config/rpi

Build using CONFIG=rpi as described in https://ipxe.org/appnote/named_config
That should make sure that the correct usb drivers is (not) available.

And with that I think that you will only want lan78xx.efi (sorry for all the other noise in the thread)

The named config does look promising, but I still can't get it to work. Building with `CONFIG=rpi lan78xx.efi` or `CONFIG=rpi lan78xx--ecm--ncm.efi` or CONFIG=rpi rpi.efi` all fail to detect any network devices.

Although looking at the `rpi` configs, I do see that it uses EFI_USB_IO_PROTOCOL which has this concerning warning about super slow downloads. So maybe the slow downloads are a current limitation of iPXE on the Raspberry Pi?

I'll try to ping Michael as he's been pushing commits related to Raspberry Pi drivers to see what his setup looks like.