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jackhab's avatar
jackhab
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

How to add pull-ups on DE10-nano GPIO

I'm trying to add weak pull-ups on JP7 GPIO1 of DE10-nano board. The board boots to Linux so as far as I understand FPGA image is loaded by Uboot from the rbf file on boot partition. There is a Def...
SreekumarR_G_Intel's avatar
SreekumarR_G_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Ok...t , now i think i got the issue you facing ,

Actually you need to enable the compression option in the Quartus while converting the file into rbf .

Convert programming files -> click the sof -> properties-> click the compression check box

Can you try and let me know how it go ?

  • jackhab's avatar
    jackhab
    Icon for Occasional Contributor rankOccasional Contributor
    6 years ago

    I created passive parallel x16 RBF with compression.

    The file size is 2.5MB vs original file's 3.3MB

    FPGA programming OK: orange LED is on, green ones are blinking

    But Linux boot still fails:

    reading /extlinux/../zImage

    5478000 bytes read in 375 ms (13.9 MiB/s)

    append: root=/dev/mmcblk0p2 rootwait mem=0x3F000000 memmap=16M$0x3F000000 ttyS0,115200

    ERROR: Did not find a cmdline Flattened Device Tree

    Could not find a valid device tree

    SCRIPT FAILED: continuing...

    reading /socfpga_cyclone5_de10_nano.dtb

    29940 bytes read in 9 ms (3.2 MiB/s)

    starting USB...

    USB0: Core Release: 2.93a

    dwc_otg_core_host_init: Timeout!

    ...