From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/6] arm: socfpga: cyclone5-socdk: Enabling mtd partitioning layout
Date: Sun, 13 Dec 2015 04:14:54 +0100 [thread overview]
Message-ID: <201512130414.54214.marex@denx.de> (raw)
In-Reply-To: <1449967746.2601.38.camel@altera.com>
On Sunday, December 13, 2015 at 01:49:06 AM, Chin Liang See wrote:
> On Sun, 2015-12-13 at 01:01 +0100, Marek Vasut wrote:
> > On Sunday, December 13, 2015 at 12:59:48 AM, Chin Liang See wrote:
> > > On Sat, 2015-12-12 at 16:36 +0100, Marek Vasut wrote:
> > > > On Saturday, December 12, 2015 at 07:30:46 AM, Chin Liang See
> > >
> > > > wrote:
> > > [...]
> > >
> > > > > > Can you share the final layout before you roll out patches ?
> > > > >
> > > > > Sure, plan to do so but need to away from desk just now.
> > > > >
> > > > > Here is the old layout
> > > > > 256k(spl)
> > > > > 64k(env)
> > > > > 64k(dtb)
> > > > > 256k(boot)
> > > > > 16m(kernel)
> > > > > 16m(rootfs)
> > > > >
> > > > > The new one would like this
> > > > > 256k(spl)
> > > >
> > > > I'd say you should just call this u-boot, see above for the
> > > > rationale.
> > > >
> > > > > 256k(env)
> > > > > 15872k(boot)
> > > > > 16m(rootfs)
> > > > >
> > > > > The boot partition can be used as ubi part or raw partition.
> > > > > It contains the linux dtb, u-boot and linux images.
> > > >
> > > > Is that an UBIFS partition ? If so, why don't you just use two
> > > > UBI
> > > > volumes ?
> > >
> > > For backward compatibility, it can be raw if user want to stick
> > > with
> > > old way.
> >
> > If you're breaking the partitioning layout anyway, you don't have to
> > care about the "old way", right ?
>
> Actually this partition can be used as raw partition if user don't want
> to store zimage and dtb as raw binary.
You should never store raw zImage/dtb in a flash on a production system.
This is real bad and can result in a corruption in the future when the
system is in the field for a long time. I'd suggest to just use two UBI
volumes, one for fitImage and the other for rootfs.
> But the rootfs partition still can be presented to Linux as ubifs.
That's for sure :)
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-12-13 3:14 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-11 9:15 [U-Boot] [PATCH 1/6] arm: socfpga: cyclone5-socdk: Enabling mtd partitioning layout Chin Liang See
2015-12-11 9:15 ` [U-Boot] [PATCH 2/6] arm: socfpga: arria5-socdk: " Chin Liang See
2015-12-11 9:15 ` [U-Boot] [PATCH 3/6] arm: socfpga: de0-nano-soc: " Chin Liang See
2015-12-11 14:21 ` Marek Vasut
2015-12-11 15:43 ` Dinh Nguyen
2015-12-11 17:36 ` Marek Vasut
2015-12-12 0:01 ` Chin Liang See
2015-12-12 21:10 ` Pavel Machek
2015-12-12 21:45 ` Marek Vasut
2015-12-13 0:01 ` Chin Liang See
2015-12-13 0:04 ` Chin Liang See
2015-12-11 9:15 ` [U-Boot] [PATCH 4/6] arm: socfpga: mcvevk: " Chin Liang See
2015-12-11 14:21 ` Marek Vasut
2015-12-11 9:15 ` [U-Boot] [PATCH 5/6] arm: socfpga: sockit: " Chin Liang See
2015-12-11 14:23 ` Marek Vasut
2015-12-11 9:15 ` [U-Boot] [PATCH 6/6] arm: socfpga: socrates: " Chin Liang See
2015-12-11 14:23 ` Marek Vasut
2015-12-11 14:21 ` [U-Boot] [PATCH 1/6] arm: socfpga: cyclone5-socdk: " Marek Vasut
2015-12-11 23:59 ` Chin Liang See
2015-12-12 3:20 ` Marek Vasut
2015-12-12 6:30 ` Chin Liang See
2015-12-12 15:36 ` Marek Vasut
2015-12-12 23:59 ` Chin Liang See
2015-12-13 0:01 ` Marek Vasut
2015-12-13 0:49 ` Chin Liang See
2015-12-13 3:14 ` Marek Vasut [this message]
2015-12-13 13:03 ` Chin Liang See
2015-12-13 15:42 ` Marek Vasut
2015-12-14 0:11 ` Chin Liang See
2015-12-14 0:22 ` Marek Vasut
2015-12-14 0:43 ` Chin Liang See
2015-12-14 0:58 ` Marek Vasut
2015-12-14 1:22 ` Chin Liang See
2015-12-14 1:25 ` Marek Vasut
2015-12-14 15:22 ` Chin Liang See
2015-12-15 0:32 ` Marek Vasut
2015-12-15 1:09 ` Chin Liang See
2015-12-15 1:15 ` Marek Vasut
2015-12-15 10:09 ` Chin Liang See
2015-12-15 18:16 ` Marek Vasut
2015-12-18 9:39 ` Chin Liang See
2015-12-18 13:10 ` Marek Vasut
2015-12-22 15:49 ` Chin Liang See
2015-12-22 15:53 ` Marek Vasut
2015-12-22 16:00 ` Chin Liang See
2015-12-22 20:10 ` Marek Vasut
2015-12-23 0:24 ` Chin Liang See
2015-12-23 0:48 ` Marek Vasut
2015-12-23 1:38 ` Chin Liang See
2015-12-23 19:02 ` Pavel Machek
2015-12-23 22:57 ` Chin Liang See
2015-12-23 23:16 ` Marek Vasut
2015-12-23 23:36 ` Chin Liang See
2015-12-24 1:30 ` Marek Vasut
2015-12-28 8:51 ` Chin Liang See
2015-12-28 12:39 ` Marek Vasut
2015-12-29 21:06 ` Chin Liang See
2015-12-29 21:20 ` Marek Vasut
2015-12-23 23:18 ` Marek Vasut
2015-12-14 7:54 ` Pavel Machek
2015-12-14 11:09 ` Marek Vasut
2015-12-14 11:26 ` Pavel Machek
2015-12-14 11:31 ` Marek Vasut
2015-12-14 11:51 ` Pavel Machek
2015-12-14 12:20 ` Marek Vasut
2015-12-14 12:53 ` Pavel Machek
2015-12-14 13:34 ` Marek Vasut
2015-12-14 15:31 ` Chin Liang See
2015-12-13 0:49 ` Chin Liang See
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