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From: Teresa Gamez <T.Gamez@phytec.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] ARM pcm043: New RAM timings
Date: Mon, 22 Aug 2011 15:49:44 +0200	[thread overview]
Message-ID: <1314020984.5975.8.camel@lws-gamez> (raw)
In-Reply-To: <20110728134345.GX20587@pengutronix.de>

Hello Sascha,

Am Donnerstag, den 28.07.2011, 15:43 +0200 schrieb Sascha Hauer:
> Hi Teresa,
> 
> On Thu, Jul 28, 2011 at 03:14:13PM +0200, Teresa Gámez wrote:
> > Update RAM timings with extended row cycle delay.
> > 
> > Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
> > ---
> >  arch/arm/boards/pcm043/lowlevel.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/arch/arm/boards/pcm043/lowlevel.c b/arch/arm/boards/pcm043/lowlevel.c
> > index eff96f9..bbe586b 100644
> > --- a/arch/arm/boards/pcm043/lowlevel.c
> > +++ b/arch/arm/boards/pcm043/lowlevel.c
> > @@ -146,7 +146,7 @@ void __bare_init __naked board_init_lowlevel(void)
> >  	writel(0x00000304, ESDMISC); /* was 0x00000004 */
> >  
> >  	/* set timing paramters */
> > -	writel(0x00255417, ESDCFG0);
> > +	writel(0x0025541F, ESDCFG0);
> 
> Does this work on all boards or is this an update for newer sdrams?

Sorry for my late answer. The timings are an update for newer sdrams.
But the timings where successfully tested with older sdrams.

I'll resend the patch with a new description. 

Teresa

> 
> Sascha
> 



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      reply	other threads:[~2011-08-22 13:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-28 13:14 Teresa Gámez
2011-07-28 13:14 ` [PATCH 2/2] ARM pcm043: Use PDR0 to change cpu freq Teresa Gámez
2011-07-28 14:11   ` Marc Kleine-Budde
2011-07-28 13:43 ` [PATCH 1/2] ARM pcm043: New RAM timings Sascha Hauer
2011-08-22 13:49   ` Teresa Gamez [this message]

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