2440没有从SD卡启动的功能，但通过在SD卡里建立文件系统，可以实现2440从SD卡启动，附件是我对2440SD卡启动的理解。-2440 does not boot from the SD card functionality, but through the establishment of the SD card file system, can boot from the SD card 2440, annex I to the 2440SD card start understandi

详细的介绍了u-boot在2440开发板上的移植，学习u-boot很好文档！-Detailed account of the u-boot board in 2440 to develop the transplant, the study documents a very good u-boot!

这主要是我个人通过网上的一些人的总结和我自己的经验写的关于ARM的JTAG通过并口下载BOOT时出现CPU检测不到的问题的一些方法-This is mainly my own through an online summary of some of the people and my own experience to write about ARM-JTAG download BOOT through a parallel port when CPU does not detect some