Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-17 Thread Alessandro Rubini
Hello Matthias. > i found some more information about the precharge workaround: > [...] > please test the below patch on your board when you get a chance. it > should be pretty much the same sequence that worked for you, i just > removed the *workaround* that makes my boards hang and restructured

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-16 Thread Matthias Kaehlcke
Hi Alessandro, El Sat, Feb 13, 2010 at 12:01:34AM +0100 Alessandro Rubini ha dit: > I'm sorry I can't test before wednesday as I'll be offline. > > I am doubtful, as usually precharge is done before setting mode, but > your chips are clearly different from mine, I now expect that no > sequence w

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-12 Thread Alessandro Rubini
Hello Matthias. I'm sorry I can't test before wednesday as I'll be offline. I am doubtful, as usually precharge is done before setting mode, but your chips are clearly different from mine, I now expect that no sequence works for both of them. /alessandro __

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-12 Thread Matthias Kaehlcke
hi alessandro, El Fri, Feb 12, 2010 at 10:23:58AM +0100 Matthias Kaehlcke ha dit: > El Fri, Feb 12, 2010 at 08:01:26AM +0100 Alessandro Rubini ha dit: > > > > i gave my ack after a visual review of the patch, without having > > > tested it. i just installed a patched u-boot on one of my boards a

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-12 Thread Matthias Kaehlcke
El Fri, Feb 12, 2010 at 08:01:26AM +0100 Alessandro Rubini ha dit: > > i gave my ack after a visual review of the patch, without having > > tested it. i just installed a patched u-boot on one of my boards and > > it doesn't boot :( > > Oh. The opposite of my board. > > Then, since I don't have a

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-11 Thread Alessandro Rubini
> i gave my ack after a visual review of the patch, without having > tested it. i just installed a patched u-boot on one of my boards and > it doesn't boot :( Oh. The opposite of my board. Then, since I don't have a 9315A but only a similar one, it's better to drop the patch. I'll have a differe

Re: [U-Boot] [PATCH 2/2] edb93xx sdram: fix initialization

2010-02-11 Thread Matthias Kaehlcke
Hi Alessandro, El Thu, Feb 11, 2010 at 09:46:50PM +0100 Alessandro Rubini ha dit: > The configuration of SDRAM needs two more writel() operations, > otherwise some boards won't be able to boot. These additional writes > are present in vendor assembly code but were forgotten during the > rewriting