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Problems with .dts while booting Linux on custom hardware

Former Member

Hello everyone!

I have a question on Linux.
After I succeeded booting Linux on ADV7511 Reference Design on my Zedboard I created custom Reference Design with only I2C and SPI outputs from the PS. It has no devices in the PL connected to the PS.
I've done everything like usual:
.bit - file in Vivado;
fsbl - file in SDK;
u-boot - like it is told in Analog Devices tutorial.
I have also managed to compile uImage and develop a custom .dts for my hardware.
So now it reads u-boot o'k, but while starting kernel I get this error:
-----------------------------------------------------------------------
Starting kernel ...

Error: unrecognized/unsupported device tree compatible list:
[ 'xlnx,zynq-7000' ]

Available machine support:


ID (hex)        NAME
ffffffff        ARM-Versatile Express
000008e0        ARM-Versatile Express
00000d32        Xilinx Zynq Platform


Please check your kernel config and/or bootloader.
-----------------------------------------------------------------------
I've already tried changing the compatible parameter to "xlnx,zynq-zed" and it worked in the same way. And I've also tried to change it to "xlnx,zynq-zc702" just in case, but in couldn't find a clock source.
Can anyone help me?

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    Hi resalmon,

    Can you please elaborate on which instructions you are following for the "Linux on ADV7511 Reference Design"?

    Are you referring to the instructions from ADI seen here?

    http://wiki.analog.com/resources/tools-software/linux-drivers/platforms/zynq

    If so, I assume that you checked out the xcomm_zynq branch and configured your Linux kernel with the zynq_xcomm_adv7511_defconfig.

    In that case, it should be okay to use the following compatibility string in your devicetree:

    compatible = "xlnx,zynq-zc702";

    If you are getting an error message about a clock source when you use that compatibility string, can you please post some more information such as error messages so that we can understand the error better?

    Regards,

    -Kevin

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  • 0

    Hi resalmon,

    Can you please elaborate on which instructions you are following for the "Linux on ADV7511 Reference Design"?

    Are you referring to the instructions from ADI seen here?

    http://wiki.analog.com/resources/tools-software/linux-drivers/platforms/zynq

    If so, I assume that you checked out the xcomm_zynq branch and configured your Linux kernel with the zynq_xcomm_adv7511_defconfig.

    In that case, it should be okay to use the following compatibility string in your devicetree:

    compatible = "xlnx,zynq-zc702";

    If you are getting an error message about a clock source when you use that compatibility string, can you please post some more information such as error messages so that we can understand the error better?

    Regards,

    -Kevin

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