SDHC bios驱动，平台是2440，在开发板调试通过，花了两周时间修改调试，绝对能用，网上流传的版本大多是不能用的-SDHC bios driven platform is 2440, in the development board debugging passed, spent two weeks to amend debugging, absolutely can, on-line version of the spread are not used

ARM UART驱动功能实现，采用keil开发环境，硬件环境为2440-ARM UART driver functions, using the keil development environment, hardware environment for 2440