AT91RM9200从入门到开发所要学习的知识和过程，包括uboot移植，linux移植，以及linux启动和工作的全过程，包含软件和硬件知识！-AT91RM9200 from entry to the development was to learn the knowledge and processes, including uboot transplant, linux migration, as well as linux boot up and work the entire proc