Thread (29 messages) 29 messages, 8 authors, 2009-10-22

Re: UBIFS problem on MPC8536DS

From: Felix Radensky <hidden>
Date: 2009-10-22 08:21:02

Hi, Scott

Scott Wood wrote:
On Fri, Oct 16, 2009 at 07:01:43AM +0200, Felix Radensky wrote:
  
quoted
Thanks for confirmation. So the real problem is eLBC ?
What happens if I access other devices on eLBC (e.g. FPGA)
simultaneously with NAND or NOR ?
    
AFAICT, the problem is NAND being accessed simultaneously with anything else
on the eLBC (at least GPCM -- not sure about UPM).  Instead of delaying the
memory-like transaction until the NAND special operation has completed, it
seems to just abort the NAND operation.

eLBC can't really tell the difference whether you've got NOR or FPGA hooked
up to a GPCM chip select, so the problem should still apply.
  
Are you aware of Freescale plans to fix the problem in new silicon 
revisions ?
Also, can you please tell what CPUs are affected by this, except 8536 
and 8572.

Thanks a lot.

Felix.
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