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

[Olga Buchonina]

Yuriy/Stefan-

This is AMCC confirmation about configuration.


Regards,

Olga Buchonina
AMCC PowerPC Applications Engineering


-----Original Message-----
From: Stefan Roese [mailto:sr at denx.de] 
Sent: Tuesday, September 23, 2008 4:43 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
=====================================================================
--------------------------------------------------------

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and contains information that is confidential and proprietary to Applied Micro Circuits Corporation or its subsidiaries. It is to be used solely for the purpose of furthering the parties' business relationship. All unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.