[QUESTION] MPC834x DMA Support
KRONSTORFER Horst
Horst.KRONSTORFER at frequentis.com
Fri Apr 28 03:23:29 EST 2006
> -----Original Message-----
> From: wd at denx.de [mailto:wd at denx.de]
> Sent: Donnerstag, 27. April 2006 18:28
> To: KRONSTORFER Horst
> Cc: linuxppc-dev at ozlabs.org
> Subject: Re: [QUESTION] MPC834x DMA Support
>
> In message
> <C5BA91F04186584EB68FD42BB4993E6BC1B5C6 at FRQWOLEX01.frequentis.
> frq> you wrote:
> >
> > does anyone know if the mpc834x's dma unit supports dma
> operation only
> > between pci and csb or also between csb and csb, f.e. devices
> > connected via the lbc (f.e. ram and a dsp)?
>
> This should work. We used this to initialize ECC memory.
> But be careful about your performance expectations - ask
> Freescale what you can get out of memory to memory DMA.
> [Sorry, I'm still waiting for replies from FSL myself.]
>
thanks for the hints!
-h
> Best regards,
>
> Wolfgang Denk
>
> --
> Software Engineering: Embedded and Realtime Systems, Embedded Linux
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email:
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