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电子工程专辑
5 年
【工程师分享】Xilinx AXI DMA的设备树里的xlnx,device-id设置
在一个工程里,有两个Xilinx AXI DMA。其中一个AXI DMA设备是用于调试的。任何时候,其实只使用一个设备AXI DMA设备。 软件使用了bperez77_xilinx_axidma的内核和用户态驱动。bperez77_xilinx_axidma要求接收通道,和发送通道的xlnx,device-id不一样。因此在linux的设备树里,把 ...
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