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From: Sricharan R <r.sricharan@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: DRA: EMIF: Change DDR3 settings to use hw leveling
Date: Thu, 22 Aug 2013 17:09:55 +0530	[thread overview]
Message-ID: <5215F88B.3050202@ti.com> (raw)
In-Reply-To: <52144093.2050004@ti.com>

Hi Tom,
On Wednesday 21 August 2013 09:52 AM, Sricharan R wrote:
> Hi Tom,
>
> On Wednesday 21 August 2013 01:08 AM, Tom Rini wrote:
>> On Tue, Aug 20, 2013 at 06:47:36PM +0530, Sricharan R wrote:
>>
>>> Currently the DDR3 memory on DRA7 ES1.0 evm board is enabled using
>>> software leveling. This was done since hardware leveling was not
>>> working. Now that the right sequence to do hw leveling is identified,
>>> use it. This is required for EMIF clockdomain to idle and come back
>>> during lowpower usecases.
>> [snip]
>>>  #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
>> OK, so this reminds me, should we be printing out something more now
>> then, when we're calculating timings, rather than using precalculated
>> ones?  Or is that a different issue I'm thinking of?
>>
> This is not something to do with precalculated timings or auto config.
>  This patch is specific only to DDR3 memory and EMIF supports
>  auto leveling feature for DDR3.  This feature was disabled for DRA7
>  till now, but this patch enables that.
 I want to add one more change in patch. So will send V2 for this.

Regards,
 Sricharan

      reply	other threads:[~2013-08-22 11:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-20 13:17 [U-Boot] [PATCH] ARM: DRA: EMIF: Change DDR3 settings to use hw leveling Sricharan R
2013-08-20 19:38 ` Tom Rini
2013-08-21  4:22   ` Sricharan R
2013-08-22 11:39     ` Sricharan R [this message]

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