From: Vignesh R <vigneshr@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz
Date: Wed, 25 May 2016 13:18:43 +0530 [thread overview]
Message-ID: <574558DB.6040009@ti.com> (raw)
In-Reply-To: <20160520130234.GF4404@bill-the-cat>
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.
--
Regards
Vignesh
next prev parent reply other threads:[~2016-05-25 7:48 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 [this message]
2016-05-26 15:49 ` Tom Rini
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