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Avnet Boards General Memory Interface Generator(MIG) in Vivado
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Related

Memory Interface Generator(MIG) in Vivado

lukwolf
lukwolf over 11 years ago

Anyone know how to set the MIG for Zedboard Development Kit?

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  • Former Member
    0 Former Member over 11 years ago

    MIG is used to generate a memory controller in the FPGA programmable logic (PL). The only DDR memory on the ZedBoard is connected to the Processor Section (PS) and is not directly connected to the PL section of the Zynq device so you cannot use MIG in this instance.

     

    -Gary

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  • lukwolf
    0 lukwolf over 11 years ago in reply to Former Member

    Gary, do you have some project with Zedboard plate where've implemented the MicroBlaze? Could you send it to me? My problem is that all the examples I have found do not work.Thank you

    Regards, Luca

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  • Former Member
    0 Former Member over 11 years ago in reply to lukwolf

    We do not have any current examples of MicroBlaze on ZedBoard. You might take a look at Xilinx XAPP1093 as a place to start.:

     

    http://www.xilinx.com/support/documentation/application_notes/xapp1093-amp-bare-metal-microblaze.pdf

     

    -Gary

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  • lukwolf
    0 lukwolf over 11 years ago in reply to Former Member

    I try this example and dont work, even i've debugged the project with the boot.bin generated by the author and does not work.

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  • Former Member
    0 Former Member over 9 years ago in reply to Former Member

    Thank you for reply. So the only way to interface DDR is thought PS?

    Is this correct for all Zynq devices? or only for Zedboard?

    What would actually happen if I create only a 'PL' project with MIG IP on Zedboard, since it's providing this option? Moreover it provides an option to have both PS with DDR3 access and a MIG generation as well. Am I missing something?

    Thank you in advance.

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  • jafoste4
    0 jafoste4 over 9 years ago

    Hello Maxxx54,

    Please refer to these threads for additonal information

    https://forums.xilinx.com/t5/Zynq-All-Programmable-SoC/Bypassing-inbuilt-DDR-controller-in-Zynq-PS-to-access-external/td-p/509701

    http://zedboard.org/content/easiest-way-access-pl-memory-ps-zynqzedboard

    --Josh

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