Hi Jason, On Sat, Nov 12, 2011 at 8:36 AM, Jason Liu <jason.hui at linaro.org> wrote: > +int board_init(void) > +{ > + /* board id for linux */ > + gd->bd->bi_arch_number = MACH_TYPE_MX61_ARD; Please remove this line and define the mach type in the board header file. Regards, Fabio Estevam