PDF《一.EZSDK6.0 修改 SPL 和U-boot 的串口打印的步骤》

then "\ "setenv console ttyO3,115200n8;

" \ "else " \ "setenv console ttyO0,115200n8;

" \ "fi;

\0" \ "init_console=" \ "if test $board_name = A335_ICE;

then "\ "setenv console ttyO3,115200n8;

" \ "else " \ "setenv console ttyO1,115200n8;

" \ "fi;

\0" \