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ZedBoard Hardware Design Connecting AXI Interrupt Controller to PS
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Related

Connecting AXI Interrupt Controller to PS

Former Member
Former Member over 13 years ago


Hey,

so I'm trying to access a SD card via SPI. In order to do that, I added an AXI SPI Interface (axi_spi) and an AXI Interrupt Controller (axi_intc) to my XPS design. I do not have any trouble connecting the axi_spi interrupt signal to the input signal of the axi_intc.

I also seem to be able to connect the "Irq" output port of the axi_intc to the "IRQ_F2P" port of the PS. But XPS keeps telling me that "(BUS_IF) INTERRUPT" of axi_intc is not connected. There doesn't seem to be a way to connect it though, except to make it external. See screenshot:
http://img87.imageshack.us/img87/7739/xpserror.jpg

Another problem occurs when I try to connect the "Processor_clk" port of axi_intc. It doesn't matter which clock I'm connecting it to, I always get the same error message:

ERROR:EDK - axi_intc_0 (axi_intc) - can't read "mb_clk": no such variable

Any help is appreciated, thank you!


Versions:
Xilinx EDK: 14.3
LogiCORE IP AXI INTC: 1.03a
LogiCORE IP AXI SPI:  1.02a

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  • Former Member
    0 Former Member over 13 years ago

    If someone is interested in the answer of that issue, I received a helpful response in the xilinx forum:

    http://forums.xilinx.com/t5/EDK-and-Platform-Studio/Connecting-AXI-Interrupt-Controller-to-Processing-System-on-Zynq/td-p/276778

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  • Former Member
    0 Former Member over 13 years ago

    in my case I do need to connect the interrupt controller to the dual core ARM on my new Zedboard, and in this case I'm still having the following error:

    INTC_WARNING:: IRQ is not connected to Processor.
    ERROR:EDK - axi_intc_0 (axi_intc) - can't read "mb_clk": no such variable

    The previous error still happens even though I'm connecting the same clock for both the processor and the AXI INTC core.

    Any idea what am I doing wrong ?

    Best regards,
    Snaider

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  • Former Member
    0 Former Member over 12 years ago in reply to Former Member

    Hey
    I want know if you resolved your problem, I have the same problem.
    Cordially.

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  • Former Member
    0 Former Member over 12 years ago

    In my case deleting the IRQ controller, update the core and insert it again solved the problem.
    (After setting the clk and reset to "not connected" )

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