[U-Boot] [PATCH] 440spe MQ initialization

[Yuri Tikhonov]

 Hi Prodyut,

On Tuesday, September 23, 2008 you wrote:

> Hi Yuri,

>> Is it OK, or should we remove these strings from the Linux driver,
>> assuming U-Boot has already done this ?

> Please go ahead and remove these from the linux driver.

 Thanks for confirmation, will do.

>  And I think this driver has not been submitted to the powerpc tree, since I
> still don't see it in Josh's or Linus's tree.

 Yep, for now it's present in the linux-2.6-denx tree only. We are 
about to post this to MLs along with our RAID-6 related changes soon.

>> From: Stefan Roese [mailto:sr at denx.de]
>> Sent: Tue 9/23/2008 2:43 AM
>> To: Yuri Tikhonov
>> Cc: u-boot at lists.denx.de; Prodyut Hazarika; Olga Buchonina
>> Subject: Re: [U-Boot] [PATCH] 440spe MQ initialization

>> On Tuesday 23 September 2008, Yuri Tikhonov wrote:
>>>  BTW, when I said "recommended by AMCC" in the patch description I
>>> referred to the following information forwarded to me by Wolfgang
>>> Denk on Tue Mar 18 2008:
>>>
>>> ---
>>> Dear Yuri,
>>>
>>> here is some additional (and hopefully helpful) information from AMCC
>>>
>>> regarding the observed hangs on the katmai board:
>>> > If possible, can you please check if you still see the lock up when
>>> > you program MQ as follows:
>>> > set value in HB and if you are using LL also as follows:
>>> > MQ0_CF1H  = 0x80001C80
>>> > MQ0_CF1L  =  0x80001C80
>>> > Additionally, make sure that your PLB settings are:
>>> > PLB0_ACR  = 0xDF000000 ( 4 deep read and 2 deep write)
>>> > PLB1_ACR =  0xDF000000 ( 4 deep read and 2 deep write)
>>> > Please let me know if this fixes the issue.
>>> > I also would like to know how you are programming your DMA and how
>>> > is the traffic is pipelined.
>>> > Regards,
>>> > Olga Buchonina
>>> > AMCC PowerPC Applications Engineering

>> Understood. I just would like to see an ACK from AMCC on this since they just
>> updated this MQ init code.

>> Best regards,
>> Stefan

>> =====================================================================
>> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
>> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
>> =====================================================================


>  --
>  Yuri Tikhonov, Senior Software Engineer
>  Emcraft Systems, www.emcraft.com




 Regards, Yuri

 --
 Yuri Tikhonov, Senior Software Engineer
 Emcraft Systems, www.emcraft.com