From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ori Idan Date: Wed, 28 Jul 2004 01:27:11 +0300 Subject: [U-Boot-Users] PPC 8260 Linux boot In-Reply-To: <20040727221357.C9158C109F@atlas.denx.de> References: <20040727221357.C9158C109F@atlas.denx.de> Message-ID: <4106D6BF.6090600@helicontech.co.il> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de >I repeat: > >Do you see any messages when you do a post mortem dump of the log_buf >memory? >[See http://www.denx.de/twiki/bin/view/DULG/LinuxPostMortemAnalysis] > >???? > > I think I don't understand something in your explenation of post mortem, how can I do grep log_buf system.map when I have nothing but UBOOT prompt? > > >>I tried removing all my code and tried again, that was the first thing I >>thought >>that maybe I crash the system. >>I tried again and again and the problem was the same. >> >> > >You cannot make such a claim. The _symptoms_ may have been the same. >The problem may have been a different one. > > > >>>2) Check your memory map, and the init sequence of your SDRAM [no, >>> I'm not going to explain this here again. Search the archives.] >>> >>> >>> >>> >>Unfortunatly the archives are not searchable, otherwise that would be >>the first thing I would >> >> > >The GMANE archive _is_ searchable. > > What is the GNAME archive? > > >>do, could you give me some hints on what do you mean init sequence of SDRAM? >> >> > >IO mean the initialization sequence that is required for the SDRAM >chips. In 98% of all porting problems this is the culprit. > > I still do not understand what do you mean by init sequence of SDRAM, If I had any hint of what you mean by that I would check for it. All I know is that I have 128MB of RAM mapped from 0x0000 I have checked it again. >Did you read the FAQ? How about the "clocks_in_mhz" setting? Or the >bd_info structure used by the Linux kernel? > > Yes, I have thought about the clock value and made sure it is passed Ok, since I am using kernel 2.4.25 I understand that the clock should be in Hz and that is what U-boot transfers. -- Ori Idan