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GPMC linux和裸板的区别

user4766611
Intellectual 440 points
Other Parts Discussed in Thread: AM3358

使用am3358和fpga通讯，地址是a0~a11, 数据16bit.

裸板情况下，arm向基地址+0x800写入数据， fpga抓数据，显示地址是0x400,；

linux情况下，arm向基地址+0x800写入数据， fpga抓数据，显示地址是0， linux下地址只能访问0x800以下，为啥呢？