Re: [U-Boot] U-Boot 1.3.4 and MPC8270 board

2008-09-12 Thread Remi Lefevre
[sorry, message has been cut] Could this be a timing issue ? I don't see much timing in ep82xxm code for example. Or perhaps the MRW configuration is not enough to correctly configure burst mode ? (Of course I'm also new in SDRAM init...) Thanks for ELDK and U-Boot, they are really great. Best

Re: [U-Boot] U-Boot 1.3.4 and MPC8270 board

2008-09-12 Thread Remi Lefevre
U-Boot 1.3.4 (Sep 12 2008 - 19:16:33) MPC8270 Reset Status: External Soft, External Hard MPC8270 Clock Configuration - Bus-to-Core Mult 5x, VCO Div 2, 60x Bus Freq 20-60 , Core Freq 100-300 - dfbrg 0, corecnf 0x1b, busdf 6, cpmdf 1, plldf 0, pllmf 6, pcidf 3 - vco_out 583331000, s

Re: [U-Boot] U-Boot 1.3.4 and MPC8270 board

2008-09-11 Thread Remi Lefevre
Ok, I made some progress. I realized that my debugger was not correctly initialized and was preventing accurate stepping. So if you use a Lauterbach with Trace32 and MPC8270, it seems that you have to reset OR11 & BR11 to 0 in the init script (FYI). Anyway, I have set my board configuration with

[U-Boot] U-Boot 1.3.4 and MPC8270 board

2008-09-10 Thread Remi Lefevre
Hi, I try to port U-Boot 1.3.4 on a custom MPC8270 card. I'm very new to PowerPC and U-Boot, I'm therefore a little lost in the huge set of documentation and most likely have silly questions. My board has the following main characteristics: - 128 MB SDRAM - 32 MB Flash (4xAM29LV641) mapped at 0xF