public inbox for linuxppc-dev@ozlabs.org 
 help / color / mirror / Atom feed
From: wolfgang@leila•ping.de (Wolfgang Wegner)
To: Josh Triplett <josh@joshtriplett•org>
Cc: linuxppc-dev@lists•ozlabs.org
Subject: Re: Failing to get DMA working with MPC5200 (TQM5200) and CompactFlash
Date: Fri, 26 Mar 2010 23:17:07 +0100	[thread overview]
Message-ID: <20100326221707.GA1953@leila.ping.de> (raw)
In-Reply-To: <20100326213202.GD5350@feather>

Hi Josh,

On Fri, Mar 26, 2010 at 02:32:02PM -0700, Josh Triplett wrote:
> On Fri, Mar 26, 2010 at 12:22:32PM -0600, Grant Likely wrote:
> > 
> > Not all CF adapters have all the pins wired up that are needed for
> > *DMA modes.  That is the most likely problem.
> 
> True, but we bought a card that specifically advertises support for
> UDMA, and says UDMA right on the card's label.
> 
> http://store.lexar.com/?productid=CF8GB-300-381

Grant was referring to the adapter, not the card!

In fact I still have to see a single CF-to-IDE adapter that does
have the wires needed for (U)DMA without me soldering them in place...

Regards,
Wolfgang

  parent reply	other threads:[~2010-03-26 22:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-17  5:17 Failing to get DMA working with MPC5200 (TQM5200) and CompactFlash Josh Triplett
2010-03-26 18:22 ` Grant Likely
2010-03-26 21:32   ` Josh Triplett
2010-03-26 22:02     ` Grant Likely
2010-03-26 22:17     ` Wolfgang Wegner [this message]
2010-03-26 22:44       ` Grant Likely
2010-03-26 22:59       ` Josh Triplett
2010-03-27 13:22         ` Albrecht Dreß
2010-03-28 22:24           ` Josh Triplett
2010-03-29 18:42             ` Albrecht Dreß
2010-03-29 21:30               ` Josh Triplett
2010-03-27 17:44         ` Wolfgang Denk
2010-03-28 22:23           ` Josh Triplett
2010-03-30  0:09           ` Wolfram Sang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100326221707.GA1953@leila.ping.de \
    --to=wolfgang@leila$(echo .)ping.de \
    --cc=josh@joshtriplett$(echo .)org \
    --cc=linuxppc-dev@lists$(echo .)ozlabs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox