简单的嵌入式linux串口通信程序，非常实用，简单易懂，可在2440上使用-Simple serial communication program of embedded linux very practical, simple and easy to understand, can be used in the 2440

s3c2440 uart小程序，有详细注释，十分实用,linux下编译-s3c2440 uart small program, there are detailed notes, very practical, linux compile

u-boot适合于arm9 ，2440 ；linux下，串口uart驱动-u-boot for arm9, 2440 linux, the serial uart driver