From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Smith Date: Sat, 14 Jun 2003 11:04:28 -0300 Subject: [U-Boot-Users] Re: Virtex-II Pro and Instruction Prefetching In-Reply-To: <20030614134552.DDCC6C5FD7@atlas.denx.de> Message-ID: <03Jun14.105725adt.7305@dragon.appliedmicro.ns.ca> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sat, 14 Jun 2003, Wolfgang Denk wrote: > In message <03Jun14.092013adt.7305@dragon.appliedmicro.ns.ca> you wrote: > > > > I'm working on getting PPCBoot 2.0.0 and Linux running on a custom > > Virtex-II Pro development board. > > May I ask why you use PPCBoot (a dead project) instead of the > successor project U-Boot? Just haven't gotten around to it. I promise I will soon (although I think there's a bug in cpu/ppc4xx/start.S I've pointed out previously that nobody has rendered an opinion on as of yet :-) > > I'm currently encountering problems with my DDR SDRAM controller -- > > This is a very common problem. Seems 99% of all people who attempt to > port U-Boot see this soner or later. > > > it can't seem to handle instruction prefetching yet. So to sidestep the > > issue for now, I want to configure the 405 so that instructions > > are not prefetched. > > Don't. The problem will bit you later again. Solve problems as they > appear. Point taken. I've identified the problem, and someone else is working on solving it, so I'm just looking for a way to make some progress until it gets solved. Thanks, -Frank.