Re: state of the fastboot activities?

From: Robert Schwebel
Date: Thu Aug 13 2009 - 11:33:34 EST


On Thu, Aug 13, 2009 at 08:28:26AM -0700, Arjan van de Ven wrote:
> > That's bad :-) So there is no room for improvement any more in our
> > ARM boot sequences ...
>
> on x86 we're doing pretty well ;-)

On i.MX27 (400 MHz ARM926EJ-S) we currently need 7 s, measured from
power-on through the kernel up to "starting init". This is with

- no delay in u-boot-v2
- rootfs on NAND (UBIFS)
- quiet
- precalculated loops-per-jiffy
- zImage kernel instead of uImage

rsc
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