On Friday, December 18, 2015 at 08:57:22 AM, 圣江 吴 wrote: > Hi Chin, > > The PLL settings are copied from previous version > http://git.rocketboards.org/u-boot-socfpga.git, This stuff should be generated by quartus, so why are you copying it from some random version of u-boot somewhere ? Best regards, Marek Vasut