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

[Fabio Estevam]

Hi Nikolay,

On Wed, Apr 15, 2015 at 10:24 PM, Nikolay Dimitrov <picmaster at 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?

This should be independent of this hummingboard support patch.

Thanks,

Fabio Estevam