Tim Harvey c91e4b8b08 imx: ventana: base SPL MMDC calibration on width and size not board ... The IMX6 MMDC calibration registers depend on propagation delay and capacitive loading between the SoC's MMDC and the DDR3 chips. On the Ventana boards the board layout varies little in trace-lengths such that propagation delays are irrelevant thus we can simply things by using calibration values obtained from various board layouts based on a common SoC and DDR chip configuration. This eliminates board-model from being needed allowing more flexibility. These values were tested on a large sample size of Gateworks Ventana boards ranging in layout, and memory configuration over the entire temperature range supported. Signed-off-by: Tim Harvey <tharvey@gateworks.com>		2014-09-09 15:13:25 +02:00
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gw_ventana	imx: ventana: base SPL MMDC calibration on width and size not board	2014-09-09 15:13:25 +02:00