On 11/04/2016 04:18 AM, Shengzhou Liu wrote: > - add additional function erratum_a009942_check_cpo to check if the > board needs tuning CPO calibration for optimal setting. > - move ERRATUM_A009942(with revision to check cpo_sample option) from > fsl_ddr_gen4.c to ctrl_regs.c for reuse on all DDR4/DDR3 parts. > - move ERRATUM_A008378 from fsl_ddr_gen4.c to ctrl_regs.c > - remove obsolete ERRATUM_A004934 which is replaced with ERRATUM_A009942.
Shengzhou, There is an issue for moving the erratum 9942 workaround to ctrl_regs.c. This workaround requires setting debug register in a read-modify-write fashion. You won't be able to read the debug register in ctrl_regs.c file. York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot