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From: "Eric Bénard" <eric@eukrea.com>
To: barebox@lists.infradead.org
Subject: Re: i.MX25 3-stack - over-current change on port 1 - USB host port not	working
Date: Thu, 17 Mar 2011 10:19:10 +0100	[thread overview]
Message-ID: <4D81D20E.3060803@eukrea.com> (raw)
In-Reply-To: <4D80C8AB.4040905@nextfour.com>

Hi,

On 16/03/2011 15:26, Teemu Peltola wrote:
> I have Freescale i.MX25 3-stack development board + debug board attached to
> it. I have built barebox-2011.03.0 using freescale_mx25_3stack_defconfig with
> some modifications to support NAND booting (see below). I have used
> buildroot-2011.02 to create 2.6.38 kernel (CONFIG_MACH_MX25_3DS=y etc.) and
> rootfs images.
>
> When I boot these images from barebox, dmesg displays the following error
> message constantly and USB host port does not work:
>
> mxc-ehci mxc-ehci.1: GetStatus port:1 status cc001020 102 ACK POWER sig=se0 OCC
> hub 1-0:1.0: over-current change on port 1
> hub 1-0:1.0: enabling power on all ports
> hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002
>
> If I try to use Freescale RedBoot (mx25_3stack_redboot_TO1_1.bin from
> L2.6.31_09.12.00_SDK_images_MX25 package) with the same kernel and rootfs, USB
> works. Is there some initialization that is missing from barebox?
>
if you don't need USB in barebox don't enable it. I also have problems with 
OTG port under Linux when it's enabled under barebox. I didn't yet found time 
to investigate.

Eric

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  reply	other threads:[~2011-03-17  9:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-16 14:26 i.MX25 3-stack - over-current change on port 1 - USB host port not working Teemu Peltola
2011-03-17  9:19 ` Eric Bénard [this message]
2011-03-21  8:52   ` Teemu Peltola
2011-03-21 19:21     ` Atmel status Dvorkin Dmitry
2011-03-27 19:51       ` Robert Schwebel
2011-03-30  7:42     ` i.MX25 3-stack - over-current change on port 1 - USB host port not working Teemu Peltola

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