[U-Boot] [PATCH v5 2/9] dfu: Support larger than memory transfers.

[Tom Rini]

On Mon, Mar 11, 2013 at 11:03:41AM +0100, Lukasz Majewski wrote:
> Hi Tom,
> 
> 
> > 
> > > From: Pantelis Antoniou <panto at antoniou-consulting.com>
> > > 
> > > Previously we didn't support upload/download larger than available
> > > memory.  This is pretty bad when you have to update your root
> > > filesystem for example.
> > > 
> > > This patch removes that limitation (and the crashes when you
> > > transfered any file larger than 4MB) by making raw image writes be
> > > done in chunks and making file maximum size be configurable.
> > > 
> > > The sequence number is a 16 bit counter; make sure we handle
> > > rollover correctly. This fixes the wrong transfers for large (>
> > > 256MB) images.
> > > 
> > > Also utilize a variable to handle initialization, so that we don't
> > > rely on just the counter sent by the host.
> > > 
> > > Signed-off-by: Pantelis Antoniou <panto at antoniou-consulting.com>
> > > Signed-off-by: Tom Rini <trini at ti.com>
> > 
> > Acked-by: Lukasz Majewski <l.majewski at samsung.com>
> > 
> > Test-hw: Exynos 4210 (Trats)
> > 
> > Tested-by: Lukasz Majewski <l.majewski at samsung.com>
> 
> Sorry but, I've found a regression for reading image from a file
> system. It happens with EXT4 mmc read (like uImage).
> 
> mmc_file_op: ext4load mmc 0:2 /uImage 0x0 0 0x7f95dc98
> ** File not found 0x0 **
> dfu: Read error!
> 
> ext4load params:
> ext4load - load binary file from a Ext4 filesystem
> 
> Usage:
> ext4load <interface> <dev[:part]> [addr] [filename] [bytes]

This is a bug, but this is not a regression.  As I sent in another
email, the issue is that ext4write takes arguments backwards from
fatwrite/fatload/ext4load so the line here has always been wrong.

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20130313/d8ce1aca/attachment.pgp>