From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v1] arm: socfpga: Enable load zImage and Linux DTB from QSPI
Date: Fri, 27 Nov 2015 02:27:15 +0100 [thread overview]
Message-ID: <201511270227.15795.marex@denx.de> (raw)
In-Reply-To: <1448587489.1908.4.camel@altera.com>
On Friday, November 27, 2015 at 02:24:49 AM, Chin Liang See wrote:
> Hi Pavel,
>
> On Thu, 2015-11-26 at 15:43 +0100, Pavel Machek wrote:
> > Hi!
> >
> > > Adding new environment qspiload which will load zImage and
> > > Linux DTB from serial NOR flash. The default flash offset for
> > > the images as below and they are configurable during run time.
> > >
> > > - zImage located at 0xa0000 with assuming file size 6MB
> > > - Linux DTB located at 0x50000 with assuming file size 28kB
> >
> > Hmm. Ok, zImage second, so that it can grow. Makes sense. Not sure if
> > 28kB is not a bit small for DTB. I'd reserve at least 64kB.
>
> Yup, it can grow up to 64kB as the size for a sector. We used 28KB
> mainly for boot time performance.
So why don't you use UBI on the QSPI NOR ? That way, you'd secure the
binaries against bitrot as well.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-11-27 1:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-26 2:32 [U-Boot] [PATCH v1] arm: socfpga: Enable load zImage and Linux DTB from QSPI Chin Liang See
2015-11-26 6:12 ` Stefan Roese
2015-11-27 1:26 ` Chin Liang See
2015-11-26 14:43 ` Pavel Machek
2015-11-27 1:24 ` Chin Liang See
2015-11-27 1:27 ` Marek Vasut [this message]
2015-11-27 1:34 ` Chin Liang See
2015-11-27 10:20 ` Marek Vasut
2015-11-27 12:07 ` Chin Liang See
2015-11-27 12:11 ` Marek Vasut
2015-11-27 12:16 ` Chin Liang See
2015-11-27 12:26 ` Marek Vasut
2015-11-27 13:08 ` Chin Liang See
2015-11-27 14:24 ` Marek Vasut
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