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Mini-ITX Hardware Design Looking for defconfig for uboot and kernel
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Looking for defconfig for uboot and kernel

e14 Contributor
e14 Contributor over 10 years ago

Hello,

Could someone please point me in the correct direction to find the u-boot defconfig and Linux defconfig files for the Mini-ITX XC7Z045 board?  It does not appear they are in the Linux mainline or in the Xilinx OSL mainline.

configs within u-boot-xlnx mainline @ master:

-rw-rw-r-- 1 tduffy tduffy  210 Apr 19 12:29 configs/zynq_afx_nand_defconfig
-rw-rw-r-- 1 tduffy tduffy  289 Apr 19 12:29 configs/zynq_afx_nand_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  179 Apr 19 12:29 configs/zynq_afx_nor_defconfig
-rw-rw-r-- 1 tduffy tduffy  258 Apr 19 12:29 configs/zynq_afx_nor_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  369 Apr 19 12:29 configs/zynq_afx_qspi_defconfig
-rw-rw-r-- 1 tduffy tduffy  448 Apr 19 12:29 configs/zynq_afx_qspi_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  399 Apr 19 12:29 configs/zynq_cc108_defconfig
-rw-rw-r-- 1 tduffy tduffy  268 Apr 19 12:29 configs/zynq_cse_nand_defconfig
-rw-rw-r-- 1 tduffy tduffy  266 Apr 19 12:29 configs/zynq_cse_nor_defconfig
-rw-rw-r-- 1 tduffy tduffy 1187 Apr 19 12:29 configs/zynq_cse_qspi_defconfig
-rw-rw-r-- 1 tduffy tduffy  544 Apr 19 12:29 configs/zynq_microzed_defconfig
-rw-rw-r-- 1 tduffy tduffy  342 Apr 19 12:29 configs/zynq_picozed_defconfig
-rw-rw-r-- 1 tduffy tduffy  675 Apr 19 12:29 configs/zynq_zc702_defconfig
-rw-rw-r-- 1 tduffy tduffy  697 Apr 19 12:29 configs/zynq_zc702_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  590 Apr 19 12:29 configs/zynq_zc706_defconfig
-rw-rw-r-- 1 tduffy tduffy  612 Apr 19 12:29 configs/zynq_zc706_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  676 Apr 19 12:29 configs/zynq_zc770_xm010_defconfig
-rw-rw-r-- 1 tduffy tduffy  608 Apr 19 12:29 configs/zynq_zc770_xm010_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  440 Apr 19 12:29 configs/zynq_zc770_xm011_defconfig
-rw-rw-r-- 1 tduffy tduffy  297 Apr 19 12:29 configs/zynq_zc770_xm011_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  410 Apr 19 12:29 configs/zynq_zc770_xm012_defconfig
-rw-rw-r-- 1 tduffy tduffy  342 Apr 19 12:29 configs/zynq_zc770_xm012_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  596 Apr 19 12:29 configs/zynq_zc770_xm013_defconfig
-rw-rw-r-- 1 tduffy tduffy  394 Apr 19 12:29 configs/zynq_zc770_xm013_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  534 Apr 19 12:29 configs/zynq_zed_defconfig
-rw-rw-r-- 1 tduffy tduffy  518 Apr 19 12:29 configs/zynq_zed_RSA_defconfig
-rw-rw-r-- 1 tduffy tduffy  594 Apr 19 12:29 configs/zynq_zybo_defconfig

configs within linux-xlnx mainline @ master:

-rw-rw-r-- 1 tduffy tduffy 5721 Apr 19 12:31 arch/arm/configs/xilinx_zynq_defconfig

I suspect that using the xilinx_zynq_defconfig is fine for the time being as a base-line.  I don't think that is my issue.  I do, however, have a problem where I can not get u-boot to boot correctly.  I suspect this is due to not having the correct defconfig.

Any support is greatly appreciated.

Thanks,

-TD

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  • e14 Contributor
    0 e14 Contributor over 10 years ago

    Hi Tim,

      It is on our list to get these configurations added to mainline, but for the moment I have only a partial solution for you.  If you look under the Ubuntu reference design for the Zynq Mini-ITX, you will see a U-boot Update document.  That describes the procedure for how to create a defconfig file for Zynq, and includes the file for the Xilinx 2015.3 release.

    For the kernel defconfig, there is a chapter in the Ubuntu manual that describes how to create that from an existing defconfig.  But we don't have a finished solution for that one.

    So it will take a little work on your part, but most of what you need is already done.

    Ron

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  • e14 Contributor
    0 e14 Contributor over 10 years ago in reply to e14 Contributor

    Awesome!  Thanks Ron.  I'll dive in right now and report back my findings.

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  • e14 Contributor
    0 e14 Contributor over 10 years ago in reply to e14 Contributor

    No such luck with the modifications :/ ...

    FSBL executes, and the PL is programmed, but then nothing is displayed on the UART.  I tested the SD Card with a BOOT.BIN with a HelloWorld application, so I'm fairly confident that isn't the issue.

    I suppose it could be an issue with the PL.  I'll continue investigating that.

    Any chance you have a known working u-boot 2015.3 binary laying around?

    Thanks,

    -TD

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  • zedhed
    0 zedhed over 10 years ago

    Hi Tim,

    Are you testing HelloWorld on the same hardware platform and PS configuration as you are with U-Boot?  Is it possible that your hardware platform (ps7_init) is incorrectly configuring the UART?

    Take a look here:

    http://www.wiki.xilinx.com/Zynq+Releases

    I would think that the absence of a 2015.3 release is some sort of clue that there were problems (perhaps in U-Boot) around the time of the tools release.

    Are you able to try a more recent version of tools like 2015.4 instead?

    Regards,

    -Kevin

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