[Bug 12] Boot speed too low (bootloader part)
bugzilla-daemon at bugzilla.openmoko.org
bugzilla-daemon at bugzilla.openmoko.org
Fri Dec 28 23:38:31 CET 2007
http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=12
------- Additional Comments From andy at openmoko.com 2007-12-28 23:38 -------
Currently on GTA-02 A4 at 200MHz ~19s (~15s at 400MHz) is burnt in U-Boot before
a decompressed Linux actually starts to boot.
We can improve matters a bit by seeing if we can parse the image we are reading
somehow to only read the (currently, 1.5MB) kernel footprint instead of a fixed
2MB block that seems to be the case right now.
Otherwise the raw NAND reading and ECC speed seems to be where the bulk of the
time goes.
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