[U-Boot] [PATCH] sunxi: reduce Orange Pi Zero DRAM clock speed

[Jagan Teki]

On Mon, Jul 24, 2017 at 1:44 AM, Clément Bœsch <u at pkh.me> wrote:
> Using `fel-boot-lima-memtester-on-orange-pi-pc 672` on an Orange Pi
> without heatsink results in the following error after a few minutes:
>   WRITE FAILURE: 0x00200000 != 0xffdfffff at offset 0x0137f47c (bitflip).
>
> Also, the constructor repository (github/orangepi-xunlong) seems to
> contain that 624 Mhz clock speed in its u-boot fork. It may be that 672
> Mhz is the advertized overclocked speed.
>
> According to http://linux-sunxi.org/Orange_Pi_PC#DRAM_clock_speed_limit
> it may be worth decreasing that value with other Orange Pi boards.
>
> See also e7d6aa0b74b7f4d08ee68da8a586c76c761348e2.

Applied to u-boot-sunxi/master

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.