From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Fri, 3 Jul 2009 11:59:45 +0200 Subject: [U-Boot] Porting u-boot to new PPC440EP board In-Reply-To: <2628639.181881246591582091.JavaMail.coremail@bj126app63.126.com> References: <2628639.181881246591582091.JavaMail.coremail@bj126app63.126.com> Message-ID: <200907031159.45921.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 Friday 03 July 2009 05:26:22 yangguang3501 wrote: > I use a new board designing based on PPC440EP evaluating board, called > yosemite. I use u-boot version 1.3.1. 1.3.1 is quite old. I strongly suggest that you update to a recent version. > I reduce the SDRAM and Flash size to 128M and 16M, I do the porting works > as decribed in th maillist"new board SDRAM conf",which you posted in last > year. http://lists.denx.de/pipermail/u-boot/2008-November/042924.html > and now face the same problem when u-boot run to trap_init, and get the > same error message. When I add blr instruction to the trap_init function, > it return but hang befor main loop. You can't just exit the trap. You need to solve the problem that issuing the trap before you can really proceed further. > Would you like tell me how did you > solve the problem , or how can I completely porting u-boot to the new > board. This could have several reasons. One is incorrect SDRAM setup. Other are possible as well. Not sure what's going on here. 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 =====================================================================