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