[U-Boot] [PATCH] mx6: Add initial SPL support for HummingBoard-i2eX

[Nikolay Dimitrov <picmaster@mail.bg>]

Hi Fabio,

On 04/16/2015 04:27 AM, Fabio Estevam wrote:
> Hi Nikolay,
>
> On Wed, Apr 15, 2015 at 10:24 PM, Nikolay Dimitrov <picmaster@mail.bg> wrote:
>
>> imx6 supports up to 528 MHz DDR3 clock as per datasheet, which makes
>> 1058 MT/s data rate. Unfortunately such comments (like above) in the
>> code doesn't help to clarify the differences. Which is a nice way to
>> say the comments are wrong :).
>>
>> Here's what happens - chip specs say that the chip supports 1600 MT/s
>> (800 MHz DDR3 clock). The imx6 ddr code looks up in the switch/case and
>> calculates timings for 800 MHz, while in reality the imx6 MMDC
>> officially supports up to 528 MHz. What should happen - mem_speed
>> should be clamped to imx6 model-specific speed limit, so the MMDC code
>> can calculate valid timings.
>
> Care to submit a patch with your proposal?

Yes.

> This should be independent of this hummingboard support patch.

OK.

> Thanks,
>
> Fabio Estevam

Regards,
Nikolay