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ZedBoard Hardware Design Boot problems
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Boot problems

screenshifter
screenshifter over 7 years ago

Boot seems to be unstable. Boot with SD card sometimes fails at all, with flash memory zynq reboots automatically after such fails. But moreover successfull boots are rare, mostly signals are spurious or constant. Is it connected with lack of fpga resources or how can i cope with this?

Zedboard rev D.

Estimated resources and timing summary are shown on this image: 

/sites/default/files/u197791/resources_0.png

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  • jafoste4
    0 jafoste4 over 7 years ago

    Hi Screenshifter,

    Do you have any time errors in your design? What do your constraints look like?

    --Josh

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  • jafoste4
    0 jafoste4 over 7 years ago

    Hi Screenshifter,

    Do you have any time errors in your design? What do your constraints look like?

    --Josh

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  • screenshifter
    0 screenshifter over 7 years ago in reply to jafoste4

    Hi,

    Yes, i have time errors, illustrated here: /sites/default/files/u197791/resources_0.png

    I have one constrainted clock, which looks like this:

    create_clock -name rx_clk       -period  16 [get_ports rx_clk_in_p]

    Other clocks are created using this with Clocking Wizard IP or taken from ZYNQ7 Processing System.

    Also didn't tell i have baremetal application, if this is important at all.

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