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Zedboard, vivado and linux

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Kamal
Junior(0)
Zedboard, vivado and linux

Hi all,
I am new in this field and I bought a zedboard last month, I start learning the vivado by downloading the Zynq-7000 All Programmable SoC: Embedded Design Tutorial and the zynq book, however these books works with ZC702 evaluation board. can I use this tutorials with my zedboard?
another questions what type of linux comes the zedboard in its 4GB Sd card?
what is the major difference between Petalinux and Xillinux? the advantages and disadvantages of each system.
the last question is how to know my zedboard version
Thanks in advance,
Kamal

JFoster
Moderator(76)
Hello Kamal,

Hello Kamal,

 

I see you have found some useful information on the Xilinx forum https://forums.xilinx.com/t5/Zynq-All-Programmable-SoC/Zedboard-Vivado-and-Linux/td-p/706264 .

 

For sake of organization I’m going to break this up into four questions.

 

1)      Will the Zynq Book/Zynq-7000 All Programmable Soc: Embedded Design Tutorial work with ZedBoard?

 

I just looked at the Zynq Book and it does support the ZedBoard, please see page 69 of the Zynq Book. As far as the  Zynq-7000 All Programmable SoC: Embedded Design Tutorial goes, it may work, the main difference between the ZedBoard and the ZC702 evaluation board is that the ZedBoard less memory (512 MB of DDR memory vs 1 GB for the ZC702). So any applications in the tutorial that require a lot of memory may be affected. Here is a previous post that more clearly defines the differences of the two boards. http://zedboard.org/content/differences-between-zedboard-and-xilinx-zynq-7000-soc-zc702-evaluation-kit .You may want to also look at the various Speedway training we offer that work with the ZedBoard. http://zedboard.org/support/trainings-and-videos

 

2)      What type of Linux comes standard in the ZedBoard 4GB SD card?

 

The ZedBoard initially comes with a fairly old basic version of Linux loaded in its 4GB SD card.  This type of Linux is supported by Digilent and is meant to be used in an educational setting.

 

3)      What are the advantages and disadvantages of Petalinux and Xillinux?

 

Unfortunately there is very little documentation in regards to the disadvantages of each system, below are a few helpful links that describe the benefits of each system.

Xillinux     -       http://www.wiki.xilinx.com/Linux#Xilinx & http://xillybus.com/xillinux/

Petalinux   -    http://www.wiki.xilinx.com/PetaLinux

 

4)      How do I determine my ZedBoard revision?

 

The easiest way to determine the ZedBoard revision (C or D) is to look on the board. While holding the ZedBoard so that you can read the ‘Avnet’ logo, just to the right and down a bit from the center of the board, look just above the Avnet logo and you should see either ‘REV C’ or ‘REV D’.

You can also read out the silicon revision via JTAG or by reading the Zynq resister 0xF8007080. For a JTAG ID of ‘2’ or greater indicates a production silicon device (3.0 or greater silicon), so a Rev D board. Otherwise, a lower number indicates ES silicon, so a Rev C Zedboard. For a definition of the silicon revision field in the Zynq devcfg register (0xF8007080) you can look at the resister definition in the Zynq TRM (UG585).

http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000-TRM.pdf - see page 1160 - 1161

 

You can read the devcfg register in the Zynq from SDK.

This is done by:

Step 1, launch an XMD console.

Step 2, connect to the ARM “connect arm hw”.

Step3, finally read the register with a memory read command “mrd 0xF8007080”.

 

It should return something along the lines of:

XMD% mrd 0xf8007080

F8007080:   00000000

 

-Josh