Hi Stefan/Yuri, I looked at the changes. I had already submitted the changes in an earlier patch. This code to set the PLB4 arbiter depth was moved to cpu_init_f function in cpu/ppc4xx/cpu_init.c since it is common across many processor families. Please don't do the same thing again in the program_memory_queue function. Thanks, Prodyut
________________________________ From: Stefan Roese [mailto:[EMAIL PROTECTED] Sent: Tue 9/23/2008 2:43 AM To: Yuri Tikhonov Cc: u-boot@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: [EMAIL PROTECTED] =====================================================================
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