Re: [PATCH] MMC Core: Drop initialization frequency floor to 50kHz
From: Ben Nizette
Date: Thu Jul 02 2009 - 08:18:45 EST
On Thu, 2009-07-02 at 13:58 +0200, Haavard Skinnemoen wrote:
> Ben Nizette wrote:
> > Was recently merged. This is too fast for at least one setup
> > permutation - the one on my desk which through trial and error won't
> > initialise at anything above ~350kHz (older Sandisk 256MB SD on
> > atmel-mci).
>
> What kind of board is this? It sounds a bit like the CMD or DATA0
> pull-up is too weak...
It is a custom board (you'll see the board support soon) but those
pullups are 47k same as NGW100 and STK1000.
'scope confirms all the waveforms are crisp and correct.
>
> Haavard
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/