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Ultra96 Hardware Design SSD on the Ultra96v2 feasibility
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  • ultra96
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SSD on the Ultra96v2 feasibility

riltonf
riltonf over 4 years ago

Is there a possible way to get an SSD connected to the Ultra96V2 and be able to boot from it? The Zynq Ultrascale+ seems to support SATA and PCIE, but there are no such connectors on the board for that. Could I maybe be able to create a custom Mezzanine card that brings out the required pins through the HS connector?

I haven't looked too much into the wiring of the SATA/PCIE. I know that reference boards of the Zynq Ultrascale+ from Xilinx has both SATA and PCIE connectors. What's the feasibility of this on the Ultra96v2?

 

Also would ssd to emmc converter modules work? https://www.seeedstudio.com/eMMC-Module-Adapter-for-ROCK-PI-4-p-4142.html

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  • mindaugas
    mindaugas over 4 years ago +1
    Hi riltonf , I have succesfully ran PYNQ rootfs from USB 3.0 flash drive on Ultra96. I did this because read speed from SD card was ~25MB/s, while reading from USB 3.0 flash drive was ~250MB/s. I think…
  • mindaugas
    mindaugas over 4 years ago in reply to riltonf +1
    I am booting BOOT.bin (FSBL, u-boot) and image.ub (kernel) from SD card and loading just rootfs from usb flash drive. To boot rootfs from usb I changed bootargs in device tree from root=/dev/mmcblk0p2…
  • narrucmot
    narrucmot over 4 years ago +1
    Unfortunately there aren't any transceivers brought out to the high speed mezzanine connector on the Ultra96-V2, so connecting a SATA SSD will not be possible. However, connecting a USB 3.0 disk or Flash…
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  • mindaugas
    mindaugas over 4 years ago

    Hi riltonf,

     

    I have succesfully ran PYNQ rootfs from USB 3.0 flash drive on Ultra96. I did this because read speed from SD card was ~25MB/s, while reading from USB 3.0 flash drive was ~250MB/s. I think you could do the same by connecting SSD to USB 3.0 port.

     

    With best regards,

    Mindaugas Sulcas

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  • riltonf
    riltonf over 4 years ago in reply to mindaugas

    Do you only have uboot on the micro-sd and the kernel, bitstream, and the rootfs on the usb? Can you paste the config?

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  • mindaugas
    mindaugas over 4 years ago in reply to riltonf

    I am booting BOOT.bin (FSBL, u-boot) and image.ub (kernel) from SD card and loading just rootfs from usb flash drive. To boot rootfs from usb I changed bootargs in device tree from root=/dev/mmcblk0p2 to root=/dev/sda1. Also if not written I suggest to add rootwait in bootargs.

     

    With best regards,

    Mindaugas Sulcas

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  • mindaugas
    mindaugas over 4 years ago in reply to riltonf

    I am booting BOOT.bin (FSBL, u-boot) and image.ub (kernel) from SD card and loading just rootfs from usb flash drive. To boot rootfs from usb I changed bootargs in device tree from root=/dev/mmcblk0p2 to root=/dev/sda1. Also if not written I suggest to add rootwait in bootargs.

     

    With best regards,

    Mindaugas Sulcas

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