飞思卡尔官方文章教你怎样从SD卡和SPI flash启动的教程，很难得的文章相当详细。-Freescale official article teach you how to SPI flash from SD card and start the tutorial, very difficult to get the article, the official article in considerable detail.

vxworks下SD卡及DOS文件系统驱动-in vxworks , the SD card and DOS File System Driver

该示范项目的目标是，使用MCI连接MMC和SD卡，它实现了配置MCI外设。 -The goal of this demonstration project is to use MCI to communicate with a MMC and SDCard Device. It shows how to configure the MCI peripheral.