[U-Boot] [PATCH] sunxi: Fix memory 2-rank initialization for a33 cpu

Michael Nazzareno Trimarchi
2018-11-07T17:13:55Z

Hi Jagan

On Mon, Nov 5, 2018 at 10:02 AM Maxime Ripard <maxime.ripard@bootlin.com> wrote:
>
> On Wed, Oct 31, 2018 at 08:03:16PM +0100, Michael Trimarchi wrote:
> > When we initialize the memory we need to autodetect rank and size
> > but this can happen only if we send the proper reset to both
> > memory module including cke signal.
> > For this reason we need initialize the physical on both channel because
> > we need to presume that both are connected. This way let the CLKE to be
> > activated at the right time with the memory reset coming from the cpu
> >
> > Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
>
> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
>

Can you test on a consumer board with A33? I have tested over
oscilloscope on my device

Michael

> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com

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