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Date: Fri, 25 Jul 2014 20:41:02 +0400
From: Antony Pavlov <antonynpavlov@gmail.com>
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Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org
Subject: Re: Tegra2 USB issue
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org

On Thu, 24 Jul 2014 18:08:33 +0200
Lucas Stach <l.stach@pengutronix.de> wrote:

> Am Donnerstag, den 24.07.2014, 20:05 +0400 schrieb Antony Pavlov:
> > Hi!
> > =

> > I have just tested this commit
> > =

> > commit d8bdd537220dd83912949f19ba67029bd1f11c58
> > Author: Lucas Stach <dev@lynxeye.de>
> > Date:   Fri Apr 12 12:28:14 2013 +0200
> > =

> >     tegra: switch to proper CPU type
> >     =

> >     Tegras main CPUs are all ARMv7.
> >     =

> >     Signed-off-by: Lucas Stach <dev@lynxeye.de>
> >     Tested-by: Antony Pavlov <antonynpavlov@gmail.com>
> >     Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> > =

> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index bb9b47b..dfb7e24 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -137,7 +137,7 @@ config ARCH_VEXPRESS
> >  =

> >  config ARCH_TEGRA
> >         bool "Nvidia Tegra-based boards"
> > -       select CPU_ARM926T
> > +       select CPU_V7
> >         select HAS_DEBUG_LL
> >  =

> >  config ARCH_ZYNQ
> > =

> > This commit breaks 'usb' command --- it does not scan devices anymore, =
just hangs.
> > =

> > I have used codesourcery arm-2013.11 toolchain.
> > =

> I haven't tested USB myself, as I'm not using second stage barebox after
> u-boot and there's still things missing for USB to work on first stage.
> Currently only SDMMMC is fully supported.
> =

> Are you testing exactly this commit? If so you might need to apply
> 431d8a247dfa63f817cda137a81dbb2244d413dc "arm: properly init alignment
> trap bit", as USB might trigger an unaligned access.

Alas! Appling of 431d8a24 does not help.

--=A0
Best regards,
=A0 Antony Pavlov

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