From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz
Date: Thu, 26 May 2016 11:49:37 -0400 [thread overview]
Message-ID: <20160526154937.GJ7419@bill-the-cat> (raw)
In-Reply-To: <574558DB.6040009@ti.com>
On Wed, May 25, 2016 at 01:18:43PM +0530, Vignesh R wrote:
>
>
> On 05/20/2016 06:32 PM, Tom Rini wrote:
> > On Fri, May 20, 2016 at 04:11:22PM +0530, Vignesh R wrote:
> >
> >> According to Data Manual(SPRS915P) of AM57x, TI QSPI controller on
> >> DRA74(rev 1.1+)/DRA72 EVM can support up to 64MHz in MODE-0, whereas
> >> MODE-3 is limited to 48MHz. Hence, switch to MODE-0 for better
> >> throughput.
> >>
> >> Signed-off-by: Vignesh R <vigneshr@ti.com>
> >
> > Are older revs seen in the wild or just within TI? Thanks!
>
> QSPI was never supported on rev 1.0 due to erratas, moreover rev 1.0s
> are not production version.
OK, thanks!
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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prev parent reply other threads:[~2016-05-26 15:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-20 10:41 [U-Boot] [PATCH] ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz Vignesh R
2016-05-20 13:02 ` Tom Rini
2016-05-25 7:48 ` Vignesh R
2016-05-26 15:49 ` Tom Rini [this message]
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