From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Tue, 23 Sep 2008 11:43:11 +0200 Subject: [U-Boot] [PATCH] 440spe MQ initialization In-Reply-To: <805475682.20080923133658@emcraft.com> References: <200809231237.12323.yur@emcraft.com> <200809231122.20892.sr@denx.de> <805475682.20080923133658@emcraft.com> Message-ID: <200809231143.11466.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 =====================================================================