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From: Andre Schwarz <andre.schwarz@matrix-vision.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mpc83xx: Make it boot again
Date: Mon, 15 Nov 2010 10:57:30 +0100	[thread overview]
Message-ID: <4CE1040A.8010907@matrix-vision.de> (raw)
In-Reply-To: <20101112133139.06eba2a8@udp111988uds.am.freescale.net>

On 11/12/2010 08:31 PM, Scott Wood wrote:
> On Fri, 12 Nov 2010 13:26:17 -0600
> Kumar Gala<galak@kernel.crashing.org>  wrote:
>
>    
>> On Nov 12, 2010, at 11:22 AM, Scott Wood wrote:
>>
>>      
>>> On Fri, 12 Nov 2010 09:58:53 -0600
>>> Kumar Gala<galak@kernel.crashing.org>  wrote:
>>>        
>>>> We only do the 'twi' for loads/in_beX not stores/out_beX.
>>>>          
>>> Yes, and the readback is a load.
>>>        
>> following the store with a load should be sufficient I dont think we need the twi in this case.
>>      
> Do we ever need it, or is guarded+cache inhibited sufficient to
> completely hold up execution of anything beyond the load?
>    

Sorry for being insistent :
Is there any explanation why this issue only came up on Jocke's MPC8321 
(?) and my MPC8377 ?

As mentioned here 
(http://lists.denx.de/pipermail/u-boot/2010-November/081459.html) 
there's still a mysterious issue which might have the same root cause.
Again : USB is working fine under Linux - it's an U-Boot only issue.

Is anybody willing to have a closer look - I'm completely stuck here.


Regards,
Andr?


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  reply	other threads:[~2010-11-15  9:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-04 14:45 [U-Boot] [PATCH] mpc83xx: Make it boot again Joakim Tjernlund
2010-11-04 16:47 ` Wood Scott-B07421
2010-11-04 16:57   ` Timur Tabi
2010-11-04 19:49     ` Wood Scott-B07421
2010-11-05  8:24       ` Andre Schwarz
2010-11-10 12:46       ` Joakim Tjernlund
2010-11-12 15:43         ` Joakim Tjernlund
2010-11-04 17:02   ` Joakim Tjernlund
2010-11-12 15:58   ` Kumar Gala
2010-11-12 17:22     ` Scott Wood
2010-11-12 19:26       ` Kumar Gala
2010-11-12 19:31         ` Scott Wood
2010-11-15  9:57           ` Andre Schwarz [this message]
2010-11-15 10:13             ` Joakim Tjernlund
2010-11-15 14:40               ` Liu Dave-R63238
2010-11-15 15:05                 ` Andre Schwarz
2010-11-15 16:43                   ` Liu Dave-R63238
2010-11-15 17:30                     ` Joakim Tjernlund
2010-11-15 18:37                       ` Scott Wood
2010-11-15 23:49                         ` Liu Dave-R63238
2010-11-17 16:57                     ` Joakim Tjernlund
2010-11-17 17:02                       ` Liu Dave-R63238
2010-11-17 17:05                       ` Scott Wood
     [not found]                         ` <OFEC1AFE7E. <20101117130325.6069bede@udp111988uds.am.freescale.net>
2010-11-17 17:26                         ` Joakim Tjernlund
2010-11-17 19:03                           ` Scott Wood
2010-11-17 19:15                             ` Joakim Tjernlund
2010-11-17 19:27                               ` Scott Wood
2010-11-17 21:00                                 ` Joakim Tjernlund
2010-11-12 15:58 ` Kumar Gala
2010-11-12 16:36   ` Joakim Tjernlund

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