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From: marc.zyngier@arm•com (Marc Zyngier)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 0/9] ARM Versatile multi-platform support
Date: Mon, 05 Jan 2015 11:19:00 +0000	[thread overview]
Message-ID: <87y4ph79wb.fsf@approximate.cambridge.arm.com> (raw)
In-Reply-To: <CAFEAcA8Nq6BPOerN7EhHpT_oa9W3+2Y_=5+zBuQD_c5fh0Yb1A@mail.gmail.com> (Peter Maydell's message of "Mon, 5 Jan 2015 10:08:18 +0000")

On Mon, Jan 05 2015 at 10:08:18 am GMT, Peter Maydell <peter.maydell@linaro•org> wrote:
> On 5 January 2015 at 09:50, Marc Zyngier <marc.zyngier@arm•com> wrote:
>> On 31/12/14 09:25, Peter Maydell wrote:
>>> Will Deacon and Marc Zyngier are currently in possession of that h/w.
>>> I'm sure they'd be delighted to pull it out of the cupboard and
>>> give it a spin :-)
>>
>> I'll try to find some time (or a victim to do the testing... ;-)
>
> To save you some time in trying to debug things which didn't work
> before this patchset, the status last time I tested on h/w was:
>  * PCI MMIO accesses work
>  * PCI IO accesses work
>  * PCI bus-master (DMA) doesn't work
>
> with the failure symptom for DMA being that the card wrote to
> the correct area of memory but only every other word, so you
> got strings like "HellXXXXrld" with the Xs being garbage.
> This feels to me like a h/w issue rather than a driver problem.

Looks like some 64bit address decoding getting in the way. Or
something.... Do you remember the exact platform you tried this on (I
have PB926, PB1176, and a bunch of RealViews with an odd mix of
tiles...)?

	M.
-- 
Jazz is not dead. It just smells funny.

  reply	other threads:[~2015-01-05 11:19 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-30 19:28 [PATCH 0/9] ARM Versatile multi-platform support Rob Herring
2014-12-30 19:28 ` [PATCH 1/9] dt/bindings: add versatile PCI binding Rob Herring
2014-12-30 19:28 ` [PATCH 2/9] dts: versatile: add PCI controller binding Rob Herring
2014-12-30 19:28 ` [PATCH 3/9] ARM: versatile: add DT based PCI detection Rob Herring
2014-12-30 21:37   ` Arnd Bergmann
2014-12-30 23:05     ` Rob Herring
2014-12-31 15:23       ` Arnd Bergmann
2014-12-31 16:13         ` Peter Maydell
2014-12-31 19:22           ` Rob Herring
2014-12-31 21:07             ` Peter Maydell
2015-01-01 15:35               ` Arnd Bergmann
2015-01-01 15:52                 ` Peter Maydell
2015-01-08 19:37   ` Linus Walleij
2015-01-08 21:34     ` Rob Herring
2014-12-30 19:28 ` [PATCH 4/9] pci: add DT based ARM Versatile PCI host driver Rob Herring
2014-12-30 21:58   ` Arnd Bergmann
2015-01-02 18:14     ` Rob Herring
2015-01-02 20:52       ` Arnd Bergmann
2015-01-02 23:13         ` Rob Herring
2015-01-05  9:35           ` Arnd Bergmann
2015-01-24  1:01     ` Bjorn Helgaas
2015-01-24  0:54   ` Bjorn Helgaas
2014-12-30 19:28 ` [PATCH 5/9] dts: versatile: add sysregs nodes Rob Herring
2015-01-08 19:44   ` Linus Walleij
2015-01-08 23:53     ` Rob Herring
2015-01-09  7:10       ` Linus Walleij
2015-01-09 11:53         ` Lorenzo Pieralisi
2015-01-15 16:06       ` Lorenzo Pieralisi
2015-01-19 10:25         ` Linus Walleij
2014-12-30 19:28 ` [PATCH 6/9] ARM: versatile: switch to DT only booting and remove legacy code Rob Herring
2014-12-30 19:28 ` [PATCH 7/9] ARM: versatile: move mach includes into mach directory Rob Herring
2014-12-30 22:05   ` Arnd Bergmann
2014-12-30 19:28 ` [PATCH 8/9] ARM: versatile: convert to multi-platform Rob Herring
2014-12-30 19:28 ` [PATCH 9/9] ARM: versatile: consolidate code to single file Rob Herring
2014-12-30 22:08 ` [PATCH 0/9] ARM Versatile multi-platform support Arnd Bergmann
2014-12-31  9:25 ` Peter Maydell
2015-01-05  9:50   ` Marc Zyngier
2015-01-05 10:08     ` Peter Maydell
2015-01-05 11:19       ` Marc Zyngier [this message]
2015-01-05 17:41         ` Peter Maydell
2015-01-08 19:47 ` Linus Walleij
2015-01-08 21:38   ` Rob Herring
2015-01-09  8:34     ` Linus Walleij

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