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Date: Wed, 20 Aug 2008 06:55:54 +0000
From: Marc Leeman <marc.leeman@gmail.com>
To: Jayasri Sangu <JayasriS@aaesys.com>
Subject: Re: [gmail] DMA Cache problem on PPC8248.
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>    We are using PPC8248 provided by freescale and the kernel  2.6.10. I b=
elieve we have cache problem.
>   We are allocating DMA buffers in our driver. If we increase the DMA buf=
fer size the board hangs/halts(when try to load more applications).
>   If we reduce the DMA buffer size, then we can run all our applications.
>    Is there any way I can get around this problem.

Have a look at the u-boot code for the 8245; I once submitted a patch
for such a problem on an XPC8245 (experimental MPC8245). It's still in
the code; but disabled right now.

It might be the same silicon bug.

--=20
  greetz, marc
Yeah, yeah, yeah nothing like a bomb to sober me up, I'm fine.
	Crichton - Suns and Lovers
crichton 2.6.26 #1 PREEMPT Tue Jul 29 21:17:59 CDT 2008 armv5tel GNU/Linux

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