[QUESTION] MPC8343 'internal only' DMA support

Timur Tabi timur at freescale.com
Thu Oct 21 06:45:11 EST 2010


On Tue, Oct 19, 2010 at 3:15 AM, KRONSTORFER Horst
<Horst.KRONSTORFER at frequentis.com> wrote:
> i assume the mpc8343 dma controllers ability to do internally controlled
> operations (csb/csb)
> is _not_ affected by deactivating externally controlled operations via
> pinmultiplexing in sicrl.
>
> am I correct?

Hmmm... maybe.  In general, if you want an external master for the DMA
controller, I think you need to enable that via various registers.  So
if you don't enable external master, you won't have one.

Does that answer your question?

-- 
Timur Tabi
Linux kernel developer at Freescale


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