From: Sascha Hauer <s.hauer@pengutronix.de>
To: Erwin Rol <mailinglists@erwinrol.com>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: imx6ul (phytec Segin board) USB/DFU
Date: Thu, 29 Nov 2018 11:59:41 +0100 [thread overview]
Message-ID: <20181129105941.5n424vfjiw6e7s5j@pengutronix.de> (raw)
In-Reply-To: <1543416825.5085.11.camel@erwinrol.com>
Hi Erwin,
On Wed, Nov 28, 2018 at 03:53:45PM +0100, Erwin Rol wrote:
> Hallo All,
>
> I am trying to get USB device (DFU) to work on my Phytec Segin board
> (imx6ul SOC).
>
> I can upload barebox with imx-usb-loader and it starts fine (so USB
> hardware is working)
>
> Than when barebox runs I want to put that same USB port in DFU mode and
> update the nand flash (barebox, env, kernel, rootfs) via DFU.
>
> But I can't get it to work, I assume USB device mode setup is missing
> from the board setup, but I can't really find info on how to add it.
First check the dr_mode property in you OTG device tree node. It should
be either "peripheral" or "otg". If it's "otg" then you have to do a
otg.mode=peripheral on the command line for your device to show up.
Note that newer versions of dfu-util do not work with barebox. I never
tracked this down unfortunately. More specifically this one is the
evil commit:
commit 377f6f136d3369529f44578acaeee82d7c7d7af9 (breaks-barebox,
refs/bisect/bad)
Author: Paul Fertser <fercerpav@gmail.com>
Date: Sun Aug 10 14:26:05 2014 +0400
Sascha
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next prev parent reply other threads:[~2018-11-29 10:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-28 14:53 Erwin Rol
2018-11-28 15:59 ` Ladislav Michl
2018-11-29 10:59 ` Sascha Hauer [this message]
2018-11-29 11:28 ` Jan Lübbe
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