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No output in Serial/ttyUSB0

kumakichi

Hi there,

 

We are working on a project on Ultrazed-ev board. (porting design from zcu106 to Ultrazed-ev).

The out of box firmware works fine.

But when booting with the one built from the xsa we desgined, there is nothing shown in the uart/serial port.

 

Information:

baudrate configured to be 115200-8-N-1.

#booting from SD card

--SD card folders:

partition1: fat32

boot

|-- BOOT.BIN

|-- boot.scr

`-- image.ub

partition2: ext4

root/

rootfilesystem...

 

Here are the command of petalinux we used

$ cd /home/kuma/Desktop/3.7ev_board/projects/20211022

$ petalinux-create -t project -s ../../bsp/uz7ev_evcc_base_2020_2.bsp

 

$ cd /home/kuma/Desktop/3.7ev_board/projects/20211022/uz7ev_evcc_base_2020_2

$ petalinux-config --get-hw-description=/home/kuma/Desktop/3.7ev_board/projects/20211022/ulzd_smcc_tst_wrapper.xsa

 

$ petalinux-build -c avnet-image-full;

 

$ cd images/linux

$ petalinux-package --boot --fsbl zynqmp_fsbl.elf --u-boot u-boot.elf --pmufw pmufw.elf --fpga system.bit --force;

 

$ cp ./BOOT.BIN image.ub boot.scr /media/kuma/boot/

$ sudo dd if=rootfs.ext4 of=/dev/mmcblk0p2

 

Your help is highly appreciated.

Thank you in advance for your help.

Best,

  • Somehow solved.

    The sd card was formatted as

    4MB free space

    5GB(fat32)as boot

    11GB(ext4) as rootfs

    "

    The first partition should be at least 500 MB in size and formatted as a FAT32 file system.

    Ensure that there is 4 MB of free space preceding the partition. The first partition contains

    the boot loader, device tree, and kernel images. Label this partition as BOOT.

    "

    as written in [UG1144 (v2020.2) November 24, 2020] Page107

    in which case the board won't boot up and the PS_OUT_ERR led is red.

     

    then I reformat the sd card and make it as

    5GB(fat32)as boot

    11GB(ext4) as rootfs

     

    this time the board boot and the PS_DONE led turns blue.

     

    Not sure what is happening, hope this would help someone later.

  • in reply to kumakichi

    hi 

    Even i am using the same board and following the same steps, but i get a compile error when i run petalinux-build -c avnet-image-full saying that "amba_pl is missing". How did you go about this error? I havent even declared amba_pl and my hardware design is fairly simple with just a gmii2rgmii converter. Kindly help

    Thanks

  • in reply to AshwinRavisankar

    Also i can share my bit file and the xsa , could you help me build the image files? my project is very straightforward but i cant seem to get it working. I am using ubuntu 18.04 to build and petalinux 2020.2