PCI Memory mapping

Michael R. Zucca mrz5149 at acm.org
Wed Mar 24 13:04:45 EST 2004


On Mar 23, 2004, at 11:01 AM, Marc Leeman wrote:

> The strange thing is that the second buffer is always corrupted with
> seemingly 'old' data, at an offset of 4 words (32 bit) and this for
> only
> 24 words, the rest of the buffer is fine.
>
> The common factor seems to be 'timing', but unfortunately, this does
> not
> yet pinpoint the problem to either the DSP or the PPC side. Any
> experienced insight or well educated guesses?

Are you putting in sync instructions where appropriate?

--
----------------------------------------------
  Michael Zucca - mrz5149 at acm.org
----------------------------------------------
  "I'm too old to use Emacs." -- Rod MacDonald
----------------------------------------------


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/





More information about the Linuxppc-dev mailing list