Top of RAM usable for U-Boot at: 10000000 Reserving 122k for U-Boot at: 0ffe0000 Reserving 136k for malloc() at: 0ffbe000 Reserving 76 Bytes for Board Info at: 0ffbdfb4 Reserving 72 Bytes for Global Data at: 0ffbdf6c Stack Pointer at: 0ffbdf48 New Stack Pointer is: 0ffbdf4 it stucked at this loop and cannot enter the boot user