因此在linux的设备树里,把每个AXI DMA设备的接收通道、发送通道的xlnx,device-id依次设置为了1、2、3、4。运行bperez77的用户态测试程序axidma_transfer时,报告错误。 跟踪代码,先是发现内核驱动程序分配内存失败,再继续下去,发现是因为xlnx,device-id大于了设备的通道数量(2),导致内核驱动报告错误。把两个AXI DMA...
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,把每个AXI DMA设备的接收通道、发送通道的xlnx,device-id依次设置为了1、2、3、4。运行bperez77的用户态测试程序axidma_transfer时,报告错误。 跟踪代码,先是发现内核驱动程序分配内存失败,再继续下去,发现是因为xlnx...
Linux device tree generator for the Xilinx SDK (Vivado > 2014.1) - Blaming device-tree-xlnx/axi_vdma/data/axi_vdma.tcl at f725aaecffb806aff8dc081b6ab508ce7bb1fc3d · Xilinx/device-tree-xlnx
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LookupConfig(XPAR_XSCUTIMER_0_DEVICE_ID);3940//Initialize a specific timer instance/driver41XScuTimer XScuTimerInst;42XScuTimer_CfgInitialize(&XScuTimerInst, TimerConfigPtr, TimerConfigPtr->BaseAddr);43//Run a self-test on the timer44XScuTimer_SelfTest(&XScuTimerInst);4546//---47//Time...
- CDP Options: CONFIG_CDP_DEVICE_ID The device id used in CDP trigger frames. CONFIG_CDP_DEVICE_ID_PREFIX A two character string which is prefixed to the MAC address of the device. CONFIG_CDP_PORT_ID A printf format string which contains the ascii name of the port. Normally is set ...
This config work on assumption that non-usable ethernet node of device-tree are either not present or their status has been marked as "disabled". - CDP Options: CONFIG_CDP_DEVICE_ID The device id used in CDP trigger frames. CONFIG_CDP_DEVICE_ID_PREFIX A two character string which is ...
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搜索智能精选 题目1.A)Land a space vehicle on the moon in 2019. B)Design a new generation of mobile phones. C)Set up a mobile phone network on the moon. D)Gather data from the moon with a tiny device. 答案1.C
xlnx,device-id = <0x1>; dma-channels = <0x1>; interrupts = <0x0 0x20 0x4>; xlnx,datawidth = <0x40>; }; }; axidmatest@1 { compatible = "xlnx,axi-dma-test-1.00.a"; dma-names = "axidma0", "axidma1"; dmas = <0xa 0x0 0xa 0x1>; }; openofdm_rx@83c30000 { compa...