Re: [U-Boot] [PATCH] imx: ventana: base SPL MMDC calibration on width and size not board

2014-09-09 Thread Stefano Babic
On 21/08/2014 08:31, Tim Harvey wrote: 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

[U-Boot] [PATCH] imx: ventana: base SPL MMDC calibration on width and size not board

2014-08-21 Thread Tim Harvey
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