UBIFS problem on MPC8536DS
scottwood at freescale.com
Tue Oct 20 02:40:02 EST 2009
On Sun, Oct 18, 2009 at 11:38:13AM +0200, Felix Radensky wrote:
> Hi, Scott
> Scott Wood wrote:
>> On Fri, Oct 16, 2009 at 07:01:43AM +0200, Felix Radensky wrote:
>>> 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.
> Can you please provide some code example of synchronizing GPCM and NAND ?
I don't have any. It's something that would have to be written.
More information about the Linuxppc-dev