From: Timur Tabi <timur@freescale.com>
To: KRONSTORFER Horst <Horst.KRONSTORFER@frequentis.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [QUESTION] MPC8343 'internal only' DMA support
Date: Wed, 20 Oct 2010 14:45:11 -0500 [thread overview]
Message-ID: <AANLkTin7UQQRjQazAVdcjiTyEmwUW5GsZ1Qkv9UOp4cZ@mail.gmail.com> (raw)
In-Reply-To: <2E0C184B35151B4690232FF6CFE53FE501569473@VIECLEX02.frequentis.frq>
On Tue, Oct 19, 2010 at 3:15 AM, KRONSTORFER Horst
<Horst.KRONSTORFER@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
next prev parent reply other threads:[~2010-10-20 19:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ActvZb6Wjf+X+L1bSaeyxpan+cSXVQ==>
2010-10-19 8:15 ` [QUESTION] MPC8343 'internal only' DMA support KRONSTORFER Horst
2010-10-20 19:45 ` Timur Tabi [this message]
2010-10-21 10:49 ` KRONSTORFER Horst
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