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Software Application Development xilinx-vdma 43000000.dma: reset timeout
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Related

xilinx-vdma 43000000.dma: reset timeout

shevachen
shevachen over 3 years ago

I am using 7z020clg400(vivado2018.3 and petalinux2018) for camera data acquisition, using vivado exported hardware configuration to compile linux, there will be xilinx-vdma 43000000.dma: reset timeout exception information in the kernel startup phase.

dma-pl330 f8003000.dmac: Loaded driver for PL330 DMAC-241330 
dma-pl330 f8003000.dmac: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16
xilinx-vdma 43000000.dma: reset timeout, cr 10006, sr 10001
xilinx-vdma 43000000.dma: Reset channel failed xilinx-vdma 43000000.dma: Xilinx AXI VDMA Engine Driver Probed!!

The corresponding code location is:drivers\dma\xilinx\xilinx_dma.c

12121212121.png

Automatically generated dts:

/ {
     amba_pl: amba_pl {
     #address-cells = <1>;
     #size-cells = <1>;
     compatible = "simple-bus";
     ranges ;
     axi_vdma_0: dma@43000000 {
          #dma-cells = <1>;
          clock-names = "s_axi_lite_aclk", "m_axi_s2mm_aclk", "s_axis_s2mm_aclk";
          clocks = <&clkc 15>, <&clkc 16>, <&misc_clk_0>;
          compatible = "xlnx,axi-vdma-6.3", "xlnx,axi-vdma-1.00.a";
          interrupt-names = "s2mm_introut";
          interrupt-parent = <&intc>;
          interrupts = <0 29 4>;
          reg = <0x43000000 0x10000>;
          xlnx,addrwidth = <0x20>;
          xlnx,flush-fsync = <0x1>;
          xlnx,num-fstores = <0x3>;
          dma-channel@43000030 {
               compatible = "xlnx,axi-vdma-s2mm-channel";
               interrupts = <0 29 4>;
               xlnx,datawidth = <0x10>;
               xlnx,device-id = <0x0>;
               xlnx,genlock-mode ;
               };
          };
     misc_clk_0: misc_clk_0 {
          #clock-cells = <0>;
          clock-frequency = <100000000>;
          compatible = "fixed-clock";
     };
};
};

 

vivado block design :

001.png002.png

 

I checked for a few days and found no reason.

 

What could be the cause of the dma timeout?

 

Thank for the help.

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  • jafoste4
    jafoste4 over 3 years ago

    Hi,


    I understand your using a 7020 device. What is the name of the board your using? Is it a custom board?

    -Josh

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  • shevachen
    shevachen over 3 years ago in reply to jafoste4

    yes, it's a custom board.

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  • jafoste4
    jafoste4 over 3 years ago in reply to shevachen

    I would suggest also posting this over in the Xilinx support forum.

     

    -Josh

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