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  1. Hi, I'm trying to boot petalinux from TFTP server and NFS root based on Arty Z7-20 Petalinux BSP Project ( Unfortunately, TFTP boot method is not included in the Project's file. I found several useful infromation and tried them to my Arty-z7-20 board. [1] TFTP Boot and NFS Root Filesystems : [2] Petalinux with Root NFS and Kernel on TFTP sever : [3] running netboot with u-boot-xlnx : https://forums.xilinx
  2. I have generated the bit file from Vivado 18.2 which is installed in windows PC. Now I am trying to generate the SD card image boot file (.bin and .ub files) from petalinux 18.2 installed in a seperate linux PC. I have gone through the ug1144, but I am not able to figure out how to generate. Please share the point wise steps. its very urgent. Thanks in advance.
  3. Hello, I am currently working on a project using the Zedboard and some Pmods from Digilent. As of now, I have booted Ubuntu 16.04 onto the ARM core using the Petalinux tools through an SD card. I have also been looking into the GPS pmod and got the bare-metal example to work from programming the FGPA. Through my personal computer (Ubuntu 18.04), I have been able to interface with the Ubuntu 16.04 on the ARM and the GPS pmod. However, I am a little confused as to how the GPS pmod in the PL communicates with the Ubuntu on the ARM. I would really appreciate some insight on the last leg of th
  4. Hi, I've opened the Cora-Z7-10-base-linux project in Vivado 2017.4 (to avoid any version-dependent issues) on Linux, and I was hoping to be able to route the UART 1 device from the ZYNQ7 Processing System out to the outside world. Ideally I'd like it to be wired up to the DP0 and DP1 pins, as I have a nice little Arduino Click2 adapter that I can put an RS485 Click board one. However, being very new to all this Zynq/Cora/Vivado stuff, I'm not sure how to do it. I started off (with a bit of advice from someone who knows more about this than me, but was rushing off home!) by openi
  5. Hello everyone! I'm trying to install Petalinux on a Cora Z7-10 I followed all the steps described here: but when I try to boot it I get this message: hwclock: can't open '/dev/misc/rtc': no such file or directory after this, I can't write anything in Minicom. As in my folder /dev didn't have the misc folder, following some advice that I found on the net I created the folder and first tried to soft-link /dev/rtc0 and then hard-link it also but none of those worked, I still get the same error. Did anyone go through the same issue
  6. Can someone guide me how to get Petalinux working on Zybo Z7-20? I am using Vivado and SDK 2018.3 on Windows 10. I prefer using prebuilt images and files if they are available. I found this link, but it seems it is very old, and I am not sure if I can use it on my version of Vivado and SDK: The Xilinx links for Petalinux are available here: If there exists any other easy method for installing any
  7. Hi Everyone, I'm new to Zynq FPGA and I have some difficulties to understand how to program the PL through Petalinux. I have a Cora Z7-07S board and by fallowing Digilent's instruction (, I'm able to boot Petalinux on a SDcard and SSH to it. I can also load the basic PL demo ( through the JTAG with Vivado. But I'm struggling trying to program the PL with the same demo program trough Petalinux. If I under
  8. Hello, I've been to set up a new Zybo board but I'm stuck with a serial port issue. I built my design with the provided board files in Vivado 2017.4. I tried a simple "hello world" in SDK but only got a bunch of unprintable characters. I have Tera Term set up for 115200, 8-bit, 1 stop, no parity. I tried Putty as well and had the same results. I verified the Vivado project is using UART1 MIO48..49. I intermittently can get the correct initialization message from the preloaded QSPI image, but most times it's unprintable characters. I also tried the pre-built Linux from the 2017.4
  9. I created a petalinux project using the following commands and wanted to use my own Hardware Description File (.hdf) generated by IP Integration Demo. I have attached the Hardware Description files exported by vivado 2016.4. $petalinux-create --type project -s ./Petalinux-Zybo-Z7-20-2017.4-2.bsp --name hf2-petalinux $cd hf2-petalinux $petalinux-config --get-hw-description=/home/jeremy/workspace/vivadoProj/IpIntegrate/IpIntegrate.sdk/IpI_wrapper_hw_platform_0/ But I cann't build the petalinux project to generate images when I stepped to run `petalinux-build` command. The
  10. Hi, I came across this tutorial that @Commanderfranz created for the Zybo It is also referenced here:, which also includes the "Embedded Linux Tutorial for the Zedboard". As far as I can tell the Embedded Linux Tutorial for the Zedboard uses the Xilinx ISE instead of Vivado. What differences will there be to follow the "Embedded Linux Tutorial for the Zedboard" tutorial in Vivado? Likewise, what differences will I have to make if I follow the https:
  11. Hello everyone, I've bought a Zybo Z7 with a XC7Z010. I've downloaded the HDMI demo (link here) and I got it working - I connected my laptop to the RX port and a monitor to the TX port. Now what I'm trying to do is to have the TX connected to a monitor, build an image using Petalinux and once I program the SoC I can see the Linux booting on the monitor. I've built an image using the bit and hdf files provided on the HDMI demo project and on Petalinux kernel config I've enabled the following: Device Drivers -> Graphics support -> Enable HDMI HDCP support in MSM DRM driver
  12. Hello, everyone. I am new here in this form and also with zybo. I have been working on one zybo project. I am finished with vivado design. but now I am working with the petalinux tool to create bootable sd card. I have read the tutorial to create a bootable image for Debian Jessie (it can boot perfectly). but I could not find proper materials to modify my devicetree file in order to work with VGA and other peripherals to make complete pc. can you please suggest me proper tutorials or articles? thank you
  13. Hi, I am trying to create and install an application for Zynq using PetaLinux. I have created a new project as per ug980 and have created an app as per ug981. When I run 'petalinux-build -c rootfs/myapp' it fails with ERROR: Nothing PROVIDES 'rootfs/myapp'. I have not edited the source code. I am just trying to build myapp into the existing system image. Another observation is, when I built gpio-demo. It threw ERROR: Nothing PROVIDES 'rootfs/gpio-demo'. Close matches: gpio-demo. I am wondering what would have caused the error.
  14. Hello, I am using Zed board 7000. I want to do Image Processing or basic computation in Zed board on PL side using FPGA. I was a bit confused to start either with a Linux image(PetaLinux or Xillinux) or directly through the Vivado software. Is it possible to do any computation or Image Processing on the PL side using ARM processor only to interface the peripherals(I don't want the computation to be done on the ARM processor). Kindly provide any reference link or tutorial which can address my queries. Thanks in advance. ---Nikith--
  15. Nikith

    Petalinux or Xillinux

    Hi, Which one is better Petalinux or Xillinux? If yes, Why? Thanks in advance. --Nikith--
  16. Hello! Here is another newbie question from me! I am having a running hardware project from Vivado, and I also debugged bare metal code with SDK. Both was running perfectly. Now I also got a PetaLinux (v2017.4) run on my Zybo Z7-20. So far so good. First I thought, that I could only paste the c code on PetaLinux, compile it and let it run. But of course it didn't worked because I used bare metal code. I wrote already that I have to add drivers to the device tree. Here are my problems/questions: 1) I wrote something the following files: system-user.dtsi,
  17. Hello, I have a question about audio. I've already asked about the issue. Another question is "Known Issues" of the BSP provided in "github". ( What does "Audio is currently completely non-functional" mean in "Known Issues"? Does "Zybo Z7-10" mean it is impossible to run audio properly? Do you provide a BSP that solves this problem? We did not have to buy the "Zybo Z7-10" if Audio was not supported. I would appreciate your help in more depth. Regards,
  18. Dear Experts I am currently using Petalinux 2015.4 on Zedboard. I have connected a Transcend CF Card through USB 2250 Evaluation Board through USB-OTG. Now the issue I am facing right now is I can't hot swap CF cards, i.e. if I plug out the CF card from EVB and plug it in, the linux doesnot enumerates it until Zedboard is restarted. Kindly help me in this issue. P.S. I got USB-OTG working by adding following lines to system-top.dts: /dts-v1/; /include/ "system-conf.dtsi" /{ usb_phy0:phy0 { compatible="ulpi-phy"; #phy-cells = <0>;
  19. Hi, I have been following the instruction on These are well done and I got a running image on a SD card from the cloned git repo. Then I switched to the Digilent Apps description, changed some config and recreated the image. This one stopped after the message "Starting kernel..." After some tries, it turned out that just rebuilding the image even without any change leads to that behaviour. However, cleaning the build will again give a correct image. But I believe thats not the intention to clean for each build... What do I miss?
  20. Hello, i wish to expand my Basic Linux image (petalinux) with the apt-get package. Therefor i used the "petalinux-config -c rootfs" command. But i do not find the right package for the "apt-get"-tool. My Primary issue is to install the libgcc because the Xilinx SDK told me, that i Need that library to run my c-code. - How do i install the apt-get package (where to find)? - How do i install a so called "" or something like that? Thank you...
  21. Hello, finally i was able to make a petalinux build with the BSP 2017.4 - so far, so good. Then i find out, which uio device is connected with the Arty-Z7-20 Buttons and switches. Both - the Buttons and also the Switches - are connected to one GPIO-IP-Core (Dual-Channel, all inputs). One AXI-GPIO has one base address and a dual channel GPIO has even only one base address. So the only way to address both channels is to use the base address offset for channel one and for channel two, isn't it? If i read channel one - which is assigned to the Buttons - then i can read the Buttons.
  22. Hello, i made the following design: You can see two GPIO Ports: - GPIO_RGB_LED, 3 Bit, Output only - GPIO_SW, two data bits plus one interrupt bit (e.g. Input clk), this port should throw Interrupts into the Linux App. After i build that design with Vivado, i used petalinux to create a Linux image. Here you can see the "/dev"-Folder which contains the installed Drivers: You can see three GPIO-Drivers. Now my question: In former questions i ask for the Driver Support in Linux and how i can write or use them. You told me, t
  23. Hey evryone ! i am using zybo 7010 in ubunto 16.04 I generate a BOOT.BIN and an image.ub, I put the two files in the SD card but it does not boot! in vivado i activate UART0 and UART1. jumper is good. I enclose the two files system-user.dtsi and system-conf.dtsi. my serial terminal is /dev/ttyUSB1. please helpe ! system-user.dtsi system-conf.dtsi
  24. I'm trying to build the Arty-Z7-20 petalinux project version 2017.4 but it keeps failing because off: libuio-1.0-r0 do_fetch libgpio-1.0-r0 do_fetch libpwm-1.0-r0 do_fetch gpiotil-1.0-r0 do_fetch pwmdemo-1.0-r0 do_fetch failing, because the connection times out, is there a way to bypass this?
  25. Hello, i have some errors while building the 2017.4 BSP based petalinux image. [email protected]:~/projects/2017.4/Arty-Z7-20$ petalinux-build [INFO] building project [INFO] sourcing bitbake INFO: bitbake petalinux-user-image Parsing recipes: 100% |##########################################| Time: 0:01:30 Parsing of 2473 .bb files complete (0 cached, 2473 parsed). 3266 targets, 226 skipped, 0 masked, 0 errors. NOTE: Resolving any missing task queue dependencies Initialising tasks: 100% |#######################################| Time: 0:00:06 Checking sstate mirror object a