From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] Add NanoBone board support
Date: Fri, 19 Apr 2013 18:04:10 -0400 [thread overview]
Message-ID: <5171BF5A.9010402@ti.com> (raw)
In-Reply-To: <5171AFF4.4050903@newflow.co.uk>
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On 04/19/2013 04:58 PM, Mark Jackson wrote:
> On 16/04/13 16:48, Tom Rini wrote:
>> On Tue, Apr 16, 2013 at 04:02:34PM +0100, Mark Jackson wrote:
>
> <snip>
>
>>> + config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data, +
>>> &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
>>
>> And are you unable to run at 400MHz here? Or just weren't aware
>> / having tried updating the timing parameters, etc?
>
> Forgive my ignorance, but where does the 400MHz come from ?
>
> I thought that 303MHz was the max clock speed on the AM335x (TRM
> 7.3.2.2), or am I missing something ?
Ah, OK. The nearly released now board I'm referring to that does have
400MHz there has newer silicon that does really support DDR3-800 and
there is a new TRM that reflects this. I suspect however you have
PG1.0 and 303 is your max speed. Sorry for the confusion!
- --
Tom
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next prev parent reply other threads:[~2013-04-19 22:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-16 15:02 [U-Boot] [PATCH] Add NanoBone board support Mark Jackson
2013-04-16 15:48 ` Tom Rini
2013-04-16 19:14 ` Mark Jackson
2013-04-16 19:22 ` Tom Rini
2013-04-22 10:04 ` Mark Jackson
2013-04-22 11:39 ` Mark Jackson
2013-04-16 19:25 ` Mark Jackson
2013-04-16 19:27 ` Tom Rini
2013-04-16 19:31 ` Mark Jackson
2013-04-19 20:58 ` Mark Jackson
2013-04-19 22:04 ` Tom Rini [this message]
2013-04-17 5:27 ` Hebbar, Gururaja
2013-04-17 17:42 ` Mark Jackson
2013-04-18 6:05 ` Hebbar, Gururaja
2013-04-18 6:20 ` Mark Jackson
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