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OMAP3530 DDR Issue

Expert 1070 points

Hello,

I have a custom 3530 design using two banks of 256MB of Micron DDR.  We have the latest Kernel running on the board.  With MEM=256 set in the bootcmd line,

we have a very solid board with few problems.  However, when we set MEM=512, we see Kernel opps errors when stress testing the system.  We have

the first bank of 256MB using CS0 and the second bank uses CS1.  What could be be doing wrong?  The layout is well balanced between the two banks.  AC timing,

refresh, etc all the same.  Any help is greatly appreciated.

 

ler