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From: Andre Schwarz <andre.schwarz@matrix-vision.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] don't touch non-existent EHCI regs on MPC837x.
Date: Mon, 15 Nov 2010 17:21:37 +0100	[thread overview]
Message-ID: <4CE15E11.3000403@matrix-vision.de> (raw)
In-Reply-To: <20101115161606.1EA1014EA7E@gemini.denx.de>

Am 15.11.2010 17:16, schrieb Wolfgang Denk:
> Dear Andre Schwarz,
>
> In message<4CE1572C.6080804@matrix-vision.de>  you wrote:
>>>>> This doesn't seem quite right, the MPC837x has USB controllers.
>>>>>
>>>> yes, it has - and it is working fine.
>>>> But USB register range 0x00-0xff is reserved and hangs the CPU.
>>>>
>>>> With this patch USB is working fine on at least MPC8377.
>>>>
>>> Then the commit message should make this clear.  At the moment it is
>>> pretty much misleading.
>>>
>> I didn't add this #ifdef but extended it to not only match 834x but also
>> 837x.
>>
>> All I see is that the ifdef'ed code accesses registers which are
>> explicitely reserved on MPC834x and at least MPC837x.
> Yes, I don't think this was objected at all.
>
>> What would be an appropriate commit message from your point of view ?
> Well, above you wrote "USB register range 0x00-0xff is reserved and
> hangs the CPU" - this probably explains the situation pretty well.
> However, the subject "non-existent EHCI regs" suggests to me that
> there are no USB registers at all.

understood - will wait for further comments and resubmit tomorrow.


Regards,
Andr?

MATRIX VISION GmbH, Talstrasse 16, DE-71570 Oppenweiler
Registergericht: Amtsgericht Stuttgart, HRB 271090
Geschaeftsfuehrer: Gerhard Thullner, Werner Armingeon, Uwe Furtner

      reply	other threads:[~2010-11-15 16:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-15 14:53 [U-Boot] [PATCH] don't touch non-existent EHCI regs on MPC837x Andre Schwarz
2010-11-15 15:07 ` Kumar Gala
2010-11-15 15:14   ` Andre Schwarz
2010-11-15 15:29     ` Wolfgang Denk
2010-11-15 15:52       ` Andre Schwarz
2010-11-15 16:16         ` Wolfgang Denk
2010-11-15 16:21           ` Andre Schwarz [this message]

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