From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuri Tikhonov Date: Tue, 23 Sep 2008 19:45:30 +0400 Subject: [U-Boot] [PATCH] 440spe MQ initialization In-Reply-To: <0CA0A16855646F4FA96D25A158E299D604919AB0@SDCEXCHANGE01.ad.amcc.com> References: <200809231237.12323.yur@emcraft.com> <200809231122.20892.sr@denx.de> <805475682.20080923133658@emcraft.com> <200809231143.11466.sr@denx.de> <0CA0A16855646F4FA96D25A158E299D604919AAE@SDCEXCHANGE01.ad.amcc.com> <184687181.20080923193526@emcraft.com> <0CA0A16855646F4FA96D25A158E299D604919AB0@SDCEXCHANGE01.ad.amcc.com> Message-ID: <198498051.20080923194530@emcraft.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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