Re: [PATCH] RE: Some memory (DDR2 ECC Dual Rank) just doesn't work! Can anyone pointme to how to debug this hang?

2008-08-26 Thread Wolfgang Denk
Dear Fillod, In message [EMAIL PROTECTED] you wrote: U-Boot is too gentle when testing SDRAM. Make sure the caches are enabled under U-Boot, and put on heavy stress with DMA, pipelined prefetch's, etc. This is what your CPU is enduring under Linux. = Jon Loeliger thinks this will be fixed

[PATCH] RE: Some memory (DDR2 ECC Dual Rank) just doesn't work! Can anyone pointme to how to debug this hang?

2008-08-14 Thread Fillod Stephane
Vince Asbridge wrote: We have an 8548 design, which implements a DDR2 on a SODIMM We have an issue with dual rank memory (specific part number Viking VR5DR287218EBSS1), which is a 1G ECC Registered SODIMM part, with two ranks. Our platform wires CS0 and CS1 to the SODIMM slot. At uBoot,

RE: [PATCH] RE: Some memory (DDR2 ECC Dual Rank) just doesn't work! Can anyone pointme to how to debug this hang?

2008-08-14 Thread Vince Asbridge
Stephane, Thanks so much for your prompt reply. We will pursue your suggestions, and let the forum know what we find. We're at 1.3.0 uboot version. Vince -Original Message- From: Fillod Stephane [mailto:[EMAIL PROTECTED] Sent: Thursday, August 14, 2008 8:06 AM To: Vince Asbridge;

Re: [PATCH] RE: Some memory (DDR2 ECC Dual Rank) just doesn't work! Can anyone pointme to how to debug this hang?

2008-08-14 Thread Jon Loeliger
Vince Asbridge wrote: Stephane, Thanks so much for your prompt reply. We will pursue your suggestions, and let the forum know what we find. We're at 1.3.0 uboot version. Vince -Original Message- From: Fillod Stephane [mailto:[EMAIL PROTECTED] Sent: Thursday, August 14, 2008 8:06