[U-Boot] [PATCH] sunxi: lower the DDR frequency of Orange Pi Prime

Maxime Ripard maxime.ripard at free-electrons.com
Tue Oct 31 08:09:05 UTC 2017


On Tue, Oct 31, 2017 at 03:56:08PM +0800, Icenowy Zheng wrote:
> When I use Orange Pi Prime to do some heavy compliation tasks, the gcc
> compiler sometimes mysteriously segfaults, and memtester catches memory
> error. As the lima-memtester cannot support H5 (Mali-450 GPU equipped),
> there's no really reliable way to detect DRAM stability except try and
> error.
> 
> Lower the DDR frequency to 624MHz seems to solved the issue.
> 
> Set the default frequency to 624MHz in the defconfig, as 672MHz is
> observed to be unstable at least on my board.
> 
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>

What is the value used in the fex file?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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