[PATCH v2 2/5] tegra: switch to ARMv7 cpu type

Antony Pavlov antonynpavlov at gmail.com
Fri Mar 8 11:56:37 EST 2013


On 8 March 2013 17:17, Lucas Stach <dev at lynxeye.de> wrote:
> Am Freitag, den 08.03.2013, 10:03 +0400 schrieb Antony Pavlov:
>> Hi!
>>
>> This commit breaks usb ethernet card on my board.
>>
> If you are using a GCC >= 4.7 this is most likely the problem that GCC
> now produces hardware unaligned access instructions on ARMv7 by default.

I'm using GCC 4.4.6.

> Unfortunately the EHCI spec has placed one of the registers at an
> unaligned offset. Barebox traps the processor when hitting an unaligned
> access in hardware.
>
> Thanks for the heads up, I'll make sure we resolve this problem before
> this patchset goes in.
>
> Regards,
> Lucas
>



-- 
Best regards,
  Antony Pavlov



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