u-boot 수정.
PATH: /u-boot-mv4412-dev/include/configs
File: mv4412.h
/*
* select serial console configuration
*/
#define CONFIG_SERIAL1                  1 ß 원하는 port 번호로 변경.
#define CONFIG_SERIAL_MULTI             1
 
Kernel 수정.
PATH: /mv4412-kernel-3.0.15/arch/arm/configs
File: mv4412_defconfig
#
# Boot options
#
# CONFIG_S3C_BOOT_WATCHDOG is not set
# CONFIG_S3C_BOOT_ERROR_RESET is not set
CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
CONFIG_S3C_LOWLEVEL_UART_PORT=1 ß 원하는 port 번호로 변경.
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
---------
#
# Boot options
#
# CONFIG_USE_OF is not set
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="console=ttySAC1,115200n8 androidboot.console=ttySAC1" ß 원하는 port번호로 변경.
# CONFIG_CMDLINE_FROM_BOOTLOADER is not set