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am335x nand 启动 问题



从SD卡中把MLO文件和u-boot.img文件复制到了NAND的0x00和0x80000的位置,

SYSBOOT[4:0]设置为10011b上电启动,

过大约一分钟后串口打印出了下面的信息:

U-Boot SPL 2011.09 (Jan 06 2013 - 17:41:53)
Texas Instruments Revision detection unimplemented
SPL: Un-supported Boot Device - 6!!!
### ERROR ### Please RESET the board ###