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DSP核和ARM核同时访问EMIF和DDR的疑问

Other Parts Discussed in Thread: OMAP-L138

自己做的OMAPL138板子,设计方案是

(1)DSP通过EMIF与FPGA交互做一些算法处理

(2)ARM跑LINUX操作系统,FLASH选的是NANDFLASH(EMIF访问不同片选)

这样就有两个核同时访问EMIF和DDR的风险,不清楚两个核之间谁优先啊?求解答