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From: Lucas Stach <dev@lynxeye.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v2 2/5] tegra: switch to ARMv7 cpu type
Date: Fri, 08 Mar 2013 14:17:02 +0100	[thread overview]
Message-ID: <1362748622.1900.4.camel@antimon> (raw)
In-Reply-To: <CAA4bVAEbWYWVstete_AYB_3oKRu5Rv6eAc_+91j8xwNtGNfkrQ@mail.gmail.com>

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.
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


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  reply	other threads:[~2013-03-08 13:17 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-01  9:22 [PATCH 0/7] Rework current Tegra support Lucas Stach
2013-03-01  9:22 ` [PATCH 1/7] tegra: move address map to tegra20-silicon.h Lucas Stach
2013-03-01 13:17   ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-02 23:25     ` Lucas Stach
2013-03-04 19:26       ` Antony Pavlov
2013-03-01  9:22 ` [PATCH 2/7] tegra: remove debug_ll Lucas Stach
2013-03-01 13:17   ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-01 17:19   ` Sascha Hauer
2013-03-01  9:22 ` [PATCH 3/7] tegra: switch to ARMv7 cpu type Lucas Stach
2013-03-01  9:22 ` [PATCH 4/7] tegra: add blank tegra20 platform init Lucas Stach
2013-03-01 13:16   ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-01  9:22 ` [PATCH 5/7] tegra: add driver for the clock and reset module Lucas Stach
2013-03-01 17:26   ` Sascha Hauer
2013-03-02 23:16     ` Lucas Stach
2013-03-01  9:22 ` [PATCH 6/7] tegra: add proper timer driver Lucas Stach
2013-03-01 13:14   ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-01 17:23   ` Sascha Hauer
2013-03-02 23:13     ` Lucas Stach
2013-03-03  7:07       ` Antony Pavlov
2013-03-04 17:09         ` Lucas Stach
2013-03-04 19:14           ` Antony Pavlov
2013-03-01  9:22 ` [PATCH 7/7] tegra: add power management controller driver Lucas Stach
2013-03-01 13:15   ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-01 17:28     ` Sascha Hauer
2013-03-01 18:00       ` Antony Pavlov
2013-03-02 23:21         ` Lucas Stach
2013-03-07 10:33 ` [PATCH v2 0/5] Rework current Tegra support Lucas Stach
2013-03-07 10:33   ` [PATCH v2 1/5] tegra: pull in iomap.h from the Linux kernel Lucas Stach
2013-03-07 10:33   ` [PATCH v2 2/5] tegra: switch to ARMv7 cpu type Lucas Stach
2013-03-08  6:03     ` Antony Pavlov
2013-03-08 13:17       ` Lucas Stach [this message]
2013-03-08 16:56         ` Antony Pavlov
2013-03-08 14:32       ` Sascha Hauer
2013-03-08 17:15         ` Antony Pavlov
2013-03-07 10:33   ` [PATCH v2 3/5] tegra: add driver for the clock and reset module Lucas Stach
2013-03-10  7:41     ` Antony Pavlov
2013-03-10  9:53       ` Sascha Hauer
2013-03-07 10:33   ` [PATCH v2 4/5] tegra: add proper timer driver Lucas Stach
2013-03-10  7:12     ` Antony Pavlov
2013-03-07 10:33   ` [PATCH v2 5/5] tegra: add power management controller driver Lucas Stach
2013-03-10  8:19     ` Antony Pavlov

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