[U-Boot] [PATCH] Add NanoBone board support

Tom Rini
2013-04-19T22:04:10Z

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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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