[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


------- 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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