From: "Mark Chambers" <markc@mail.com>
To: "Dan Malek" <dan@embeddededge.com>,
"Clemens Koller" <clemens.koller@anagramm.de>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: MPC85xx DMA support for Kernel 2.6?
Date: Fri, 1 Jul 2005 10:15:37 -0400 [thread overview]
Message-ID: <004001c57e47$5cae9410$0301a8c0@chuck2> (raw)
In-Reply-To: d946affc11510f7116710026d2a8d1f3@embeddededge.com
>
> On Jul 1, 2005, at 3:47 AM, Clemens Koller wrote:
>
> > .... And currently, when I access (memcopy) the SRAM on my
> > Local Bus via UPM I cannot get it to generate bursts yet, so I hope the
> > DMA will speed up those things, too.
>
> If the CPU won't do it, the DMA won't either. You better get that
> UPM working first :-)
>
>
> -- Dan
>
Is the SRAM being cached? I don't think the CPU will generate bursts
unless it's cached, right?
Mark Chambers
next prev parent reply other threads:[~2005-07-01 14:14 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-30 15:12 MPC85xx DMA support for Kernel 2.6? Clemens Koller
2005-06-30 15:30 ` Kumar Gala
2005-06-30 15:56 ` Clemens Koller
2005-06-30 16:57 ` Murray.Jensen
2005-07-01 7:54 ` Clemens Koller
2005-07-01 8:36 ` Murray.Jensen
2005-07-01 13:59 ` Kumar Gala
2005-06-30 18:52 ` Dan Malek
2005-07-01 7:47 ` Clemens Koller
2005-07-01 14:02 ` Dan Malek
2005-07-01 14:15 ` Mark Chambers [this message]
2005-07-01 21:49 ` Dan Malek
2005-07-04 9:03 ` Clemens Koller
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