On Wed, 8 May 2019 at 02:45, John Wang <wangzqbj at inspur.com> wrote: > My machine memory is 256M, but why is uboot recognized as 512M, where should I set it? Are you using the OpenBMC uboot tree on an ASPEED BMC? If so, the code in platform.S should detect the amount of available RAM. Can you provide the output of u-boot booting? Cheers, Joel