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Date: Tue, 30 Mar 2010 02:09:41 +0200
From: Wolfram Sang <w.sang@pengutronix.de>
To: Wolfgang Denk <wd@denx.de>
Subject: Re: Failing to get DMA working with MPC5200 (TQM5200) and CompactFlash
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Cc: Wolfgang Wegner <wolfgang@leila.ping.de>, linuxppc-dev@lists.ozlabs.org,
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> We tested CF cards for DMA support some time ago, and IIRC this
> included the STK5200. Situation was that only very few CF cards
> actually support DMA (even if they advertise it on the label).

Huh, not nice. Were those consumer cards or also industrial grade cards? Ma=
ybe
that is the reason? With the latter, I have never seen this, they always to=
ld
the truth, so far. Although we mostly used MWDMA, no UDMA to avoid the
hardware problems.

Regards,

   Wolfram

--=20
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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