Re: [U-Boot] [PATCH] powerpc/serdes: Add the workaround for erratum A-007186

2014-06-11 Thread York Sun
On 05/28/2014 01:48 AM, Shaveta Leekha wrote: > SerDes PLL is calibrated at reset. When the junction temperature > delta from the time the PLL is calibrated exceeds +56C/-66C, > jitter may increase and can cause PLL to unlock. > > This workaround overwrite the SerDes registers with new values, > t

[U-Boot] [PATCH] powerpc/serdes: Add the workaround for erratum A-007186

2014-05-28 Thread Shaveta Leekha
SerDes PLL is calibrated at reset. When the junction temperature delta from the time the PLL is calibrated exceeds +56C/-66C, jitter may increase and can cause PLL to unlock. This workaround overwrite the SerDes registers with new values, to calibrate SerDes registers. These values are known to wo