[U-Boot] [linux-sunxi] Re: [PATCH] sunxi: fix DRAM gate/reset sequence of H6

Jagan Teki jagan at amarulasolutions.com
Wed Oct 10 06:35:15 UTC 2018


On Mon, Oct 8, 2018 at 1:08 PM Maxime Ripard <maxime.ripard at bootlin.com> wrote:
>
> On Sat, Oct 06, 2018 at 11:23:32PM +0800, Icenowy Zheng wrote:
> > Currently the DRAM bus gate and reset is changed at the same time in
> > H6 DRAM initialization code, which disobeys the user manual's
> > programming guide.
> >
> > Fix the sequence by follow the sequence suggested by the user manual
> > (ungate the bus clock after release the reset signal).
> >
> > By some experiments it seems to fix the DRAM size detection failure that
> > rarely happens.
> >
> > Signed-off-by: Icenowy Zheng <icenowy at aosc.io>

Applied to u-boot-sunxi/master


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