<div dir="ltr"><div><div>continuing the chat,<br>for displaying "Hello world" on serial <br><br>#define CLKIN_DEV PNP_DEV(0x2e, IT8718F_GPIO)<br><br>void mainboard_romstage_entry(unsigned long bist)<br>{<br>        ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_24);<br><br>        ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);<br><br>....<br></div>How can I write "Hello world !" ? and where ?<br><br></div>Could it be :<br><br>        ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_24);<br><br>        ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);<br><br>        printk(" HELLO WORLD ! FROM COREBOOT...");<br>......<br></div>