Hey Stefan,
According to the clearfog wiki and uboot-armada38x src tree, there
are separate
images for sd and sata, with the makefile there calling
$(obj)tools/marvell/doimage -T mmc -D 0x0 -E 0x0 -G
$(obj)tools/marvell/bin_hdr/bin_hdr.bin u-boot.bin u-boot.mmc
vs
$(obj)tools/marvell/doimage -T sata -D 0x0 -E 0x0 -G
$(obj)tools/marvell/bin_hdr/bin_hdr.bin u-boot.bin u-boot.sata
Please note that this "should" not be needed when using mainline
U-Boot on A38x. All necessary tools for image generation are
included here.
[…]
Am I missing something completely obvious, or does this mean there
need to be
different image headers depending on boot medium type BootROM tries to load
u-boot from (so it might be desirable to make this configurable)?
You are correct. The image header differs depending on the boot media.
You need to change the BOOT_FROM line in the .cfg file accordingly, if
you want to boot from SATA.
Yes, this was more to find out in which ways the sata image differs from the
sdcard image.
Simply editing `board/solidrun/clearfog/kwbimage.cfg` and changing BOOT_FROM
from `sdio` to `sata` got BootROM into accepting the image :-)
Are there already any efforts being taken on that? Most likely we'd
also need to
enable SATA drivers, so u-boot is able to read the kernel, which
might be on
that disk.
Correct. If the SATA driver is not enabled yet, then this has to be
done for this board. A38x has an AHCI compatible SATA controller, so
this is the controller / driver to use. I suggest to look at the
Marvell
dev-board "db-88f6820-gp" for this.
I'll have a look on that, thanks! My question also aimed into the direction on
how to make this best configurable via `.config`, instead of editing this file
by hand.
Are there any similar places were we set such things dynamically?
Regards,
Florian
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