你好,
am437 gpmc 接fpga。 gpmc片选0接fpga数据区域,用edma读取数据;片选1接fpga寄存器区域,通过cpu读写。 请问软件是否需要做互斥操作当edma在读取数据区时cpu不能操作寄存器? 还是说软件不用做任何保护,am437硬件已经做好了的
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