From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus =?iso-8859-1?Q?Klotzb=FCcher?= Date: Fri, 29 Sep 2006 12:03:20 +0200 Subject: [U-Boot-Users] U-boot AMCC yosemite board 440EP In-Reply-To: (Tobias =?iso-8859-1?Q?F=F6ll's?= message of "Fri, 29 Sep 2006 10:44:22 +0200") References: Message-ID: <87zmcjrnvb.fsf@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 Hi Tobias, "F?ll, Tobias" writes: > i have a hardware which is very near to the yosemite board called > JC-670. > The yosemite board has 4 DDR chips and my hardware has only two chips > (2*Micron 64V16M16 has 256Mbit...), > because i need only 256MBit*2Chips=512MBit=64Mbyte. Are the chips on both boards identical? > It seem that i have problems with the DDR interface. > I downloaded the u-boot bin file from the AMCC -> denx page, and > programmed it into > the flash on my hardware called JC-670. > On the serial output i saw that the system starts up. But then it > hangs... It seems to me that the SDRAM initialization for your new board is broken/incomplete. You need to fix it. > I can try this several times the difference is that sometimes i got > the DRAM size(like first output) and somtimes not (like second > output). > Thats all. Must i change the u-boot code if i only use two DDR Chips ? Not necessarily, but in your case it seems so. > On the moment i can not generate a new u-boot bin , because it will > not work with cygwin under windows.I tried it. > And i'am not a linux expert, because of this i can not do this work > under linux on the moment. Well, maybe this is the right time to become one? Regards Markus Klotzbuecher