[PATCH v1 2/2] board: apalis_imx6: DDR init using mx6_dram_cfg()

[Marcel Ziswiler]

On Fri, 2022-06-24 at 12:33 +0200, Francesco Dolcini wrote:
> Do DDR initialization using the procedural mx6_dram_cfg() instead of
> programming the MMDC using a raw list of register/value pairs, this
> solves some rare boot failures on specific "bad" modules.
> 
> Calibration values, DDR geometry are unchanged, memory timings are
> updated according to the relevant memory datasheet, no changes on
> the power consumption.
> 
> For IT temperature range SKUs CL is decreased from 8 to 7 and tFAW
> value is increased, for commercial temperature range SKUs some
> changes on ODT parameters.
> 
> This change was validated over a range of different apalis-imx6 SoM, on
> the whole working temperature range with weeks of continuous testing.
> 
> Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>

Acked-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>