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PicoZed Hardware Design PicoZed 7020 QSPI boot problem
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PicoZed 7020 QSPI boot problem

Former Member
Former Member over 9 years ago

Hi,

I have PicoZed 7020 and connected it to the carrier bord. I wrote a simple bare-metal application which sends data from UART port and toggle PS user led pin according to the state of the PS user push button.

When I run the code from JTAG no problem, works correctly. Then I create boot image and download the .mcs file to the flash. I changed boot switchs to qspi flash boot. However when I give the power to the board, blue led turns on as expected, but the program did not run. Dont send data to UART port or toggle user led when I push the user button.

I created MicroZed version of the project and it boots and run correctly from qspi flash. But I was not able to do the same with PicoZed board.

I tried different PicoZed boards and programs. None of them run correctly.

Is there sth. different in PicoZed QSPI flash boot procedure than the MicroZed?

Thanks in advance,

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  • Former Member
    0 Former Member over 9 years ago

    Hello Mehmet,

     

    The procedure is the same for both the MicroZed and a PicoZed with a Carrier Card. In fact we use the same tutorial material for both boards with just options for the differences in things like the boot jumper options. You might want to try the tutorial on this page to verify you PicoZed configuration:

     

    http://zedboard.org/support/design/4701/76

     

    -Gary

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

    Hi Gary,

    I followed the tutorial and created the Zynq HW with one difference. I did not connect GND to the SDIO1_CDN pin. Also I am using Vivado 2013.2 version and instead of selection the board in the beginning of the project I used the .tcl file that is provided in this page. Does this related to the QSPI boot, I don't think so ?

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

    Have you tried the solution for Tutorial 4 or the Factory Image? This would determine that your board is still working and that you are setting the boot mode switch correctly.

     

    Also, I would highly recommend upgrading your software. You are 2.5 years behind. Since the PicoZed 7020 is included in WebPACK, this would be a free upgrade.

     

    Bryan

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  • Former Member
    0 Former Member over 9 years ago

    Problem solved. The exact solution is the one I mentioned before. After I connect SDIO1_SDN to GND, QSPI boot work. Thank you for responses.

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  • qyl_qiyalu
    0 qyl_qiyalu over 8 years ago in reply to Former Member

    Hi,

    I have the same problem. connect SDIO1_SDN to GND, what dose SDIO1_SDN mean? I can not find the Pin, Please help me!

    Thank you very much 

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  • bhfletcher
    0 bhfletcher over 8 years ago in reply to qyl_qiyalu

    I think SDN was a typo. Should have been CDN, which is Card Detect. SDIO1 is connected to eMMC, so that should have no bearing on whether the QSPI will boot, unless you have specifically set up the QSPI to pull a boot image from eMMC.

     

    Connecting the SDIO1 controller's CDN pin to GND to simulate a physical Card Detect was a workaround required prior to 2015.2. Since that time, it is no longer required for booting Linux.

     

    Bryan

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