From: Robert Schwebel <r.schwebel@pengutronix.de>
To: Arjan van de Ven <arjan@linux.intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: state of the fastboot activities?
Date: Thu, 13 Aug 2009 17:33:26 +0200 [thread overview]
Message-ID: <20090813153326.GR13320@pengutronix.de> (raw)
In-Reply-To: <4A84311A.3030901@linux.intel.com>
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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prev parent reply other threads:[~2009-08-13 15:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-13 6:45 state of the fastboot activities? Robert Schwebel
2009-08-13 13:46 ` Arjan van de Ven
2009-08-13 15:25 ` Robert Schwebel
2009-08-13 15:28 ` Arjan van de Ven
2009-08-13 15:33 ` Robert Schwebel [this message]
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