Availability
Boards:
- ZYNQ-7000 ZC702 EVAL KIT at Digi-Key
Vendor Documentation
- Documentation: http://www.wiki.xilinx.com/Zynq+AP+SoC
Basic Requirements
- Running a recent supported release of Debian, Fedora or Ubuntu on a x86 64bit based PC; without OS Virtualization Software.
- Many of the listed commands assume /bin/bash as the default shell.
- ARM Cross Compiler – Linaro: https://www.linaro.org
- Linaro Toolchain Binaries: https://www.linaro.org/downloads/
- Bootloader
- Das U-Boot – the Universal Boot Loader: http://www.denx.de/wiki/U-Boot
- Source: https://github.com/u-boot/u-boot/
- Linux Kernel
- Linus’s Mainline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
- ARM based rootfs
- Debian: https://www.debian.org
- Ubuntu: https://www.ubuntu.com
Zynq base release
wget http://www.wiki.xilinx.com/file/view/2015.4-zc702-release.tar.xz/569806235/2015.4-zc702-release.tar.xz
tar xf 2015.4-zc702-release.tar.xz
Linux Kernel
This script will build the kernel, modules, device tree binaries and copy them to the deploy directory.
Download:
#user@localhost:~$
git clone https://github.com/RobertCNelson/armv7-multiplatform
cd armv7-multiplatform/
For v4.6.x (Stable):
#user@localhost:~/armv7-multiplatform$
git checkout origin/v4.6.x -b tmp
For v4.7.x (Prepatch):
#user@localhost:~/armv7-multiplatform$
git checkout origin/v4.7.x -b tmp
Build:
#user@localhost:~/armv7-multiplatform$
./build_kernel.sh
Root File System
Debian 10
| User | Password |
|---|---|
| debian | temppwd |
| root | root |
Download:
#user@localhost:~$
wget -c https://rcn-ee.com/rootfs/eewiki/minfs/debian-10.9-minimal-armhf-2021-04-14.tar.xz
Verify:
#user@localhost:~$
sha256sum debian-10.9-minimal-armhf-2021-04-14.tar.xz
#sha256sum output:
268ae963a067f13578858a9203ec6a0668d26c707c2fd5e42d0ad3ead5dc9289 debian-10.9-minimal-armhf-2021-04-14.tar.xz
Extract:
#user@localhost:~$
tar xf debian-10.9-minimal-armhf-2021-04-14.tar.xz
Ubuntu 20.04 LTS
| User | Password |
|---|---|
| ubuntu | temppwd |
Download:
#user@localhost:~$
wget -c https://rcn-ee.com/rootfs/eewiki/minfs/ubuntu-20.04.2-minimal-armhf-2021-04-14.tar.xz
Verify:
#user@localhost:~$
sha256sum ubuntu-20.04.2-minimal-armhf-2021-04-14.tar.xz
#sha256sum output:
46702f198730d6edeace72f6d3f9c41b7e097c78c17cb202cc0beee551021783 ubuntu-20.04.2-minimal-armhf-2021-04-14.tar.xz
Extract:
#user@localhost:~$
tar xf ubuntu-20.04.2-minimal-armhf-2021-04-14.tar.xz
Setup microSD card
We need to access the External Drive to be utilized by the target device. Run lsblk to help figure out what linux device has been reserved for your External Drive.
#Example: for DISK=/dev/sdX
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
└─sda2 8:2 0 465.3G 0 part / <- Development Machine Root Partition
sdb 8:16 1 962M 0 disk <- microSD/USB Storage Device
└─sdb1 8:17 1 961M 0 part <- microSD/USB Storage Partition
#Thus you would use:
export DISK=/dev/sdb
#Example: for DISK=/dev/mmcblkX
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
└─sda2 8:2 0 465.3G 0 part / <- Development Machine Root Partition
mmcblk0 179:0 0 962M 0 disk <- microSD/USB Storage Device
└─mmcblk0p1 179:1 0 961M 0 part <- microSD/USB Storage Partition
#Thus you would use:
export DISK=/dev/mmcblk0
Erase partition table/labels on microSD card:
sudo dd if=/dev/zero of=${DISK} bs=1M count=50
Create Partition Layout:
With util-linux v2.26, sfdisk was rewritten and is now based on libfdisk.
#Check the version of sfdisk installed on your pc
sudo sfdisk --version
#Example Output
sfdisk from util-linux 2.27.1
#sfdisk >= 2.26.x
sudo sfdisk ${DISK} <<-__EOF__
1M,48M,0xE,*
,,,-
__EOF__
#sfdisk <= 2.25.x
sudo sfdisk --unit M ${DISK} <<-__EOF__
1,48,0xE,*
,,,-
__EOF__
Format Partition:
for: DISK=/dev/mmcblkX
sudo mkfs.vfat -F 16 -n BOOT ${DISK}p1
sudo mkfs.ext4 -L rootfs ${DISK}p2
for: DISK=/dev/sdX
sudo mkfs.vfat -F 16 -n BOOT ${DISK}1
sudo mkfs.ext4 -L rootfs ${DISK}2
Mount Partition:
On most systems these partitions may be auto-mounted…
sudo mkdir -p /media/boot/
sudo mkdir -p /media/rootfs/
for: DISK=/dev/mmcblkX
sudo mount ${DISK}p1 /media/boot/
sudo mount ${DISK}p2 /media/rootfs/
for: DISK=/dev/sdX
sudo mount ${DISK}1 /media/boot/
sudo mount ${DISK}2 /media/rootfs/
Install Bootloader
#~/uEnv.txt
loadaddr=0x02080000
fdtaddr=0x02000000
rdaddr=0x04000000
fdtfile=zynq-zc702.dtb
mmcroot=/dev/mmcblk0p2 ro
mmcrootfstype=ext4
loadximage=load mmc 0:1 ${loadaddr} /zImage
loadxfdt=load mmc 0:1 ${fdtaddr} /dtbs/${fdtfile}
loadxrd=load mmc 0:1 ${rdaddr} /boot/initrd.img-${uname_r}; setenv rdsize ${filesize}
loadall=run loadximage; run loadxfdt;
mmcargs=setenv bootargs console=ttyPS0,115200 ${optargs} root=${mmcroot} rootfstype=${mmcrootfstype} ${cmdline}
uenvcmd=run loadall; run mmcargs; bootz ${loadaddr} - ${fdtaddr};
Copy boot.bin/uEnv.txt to the boot partition:
#~/
sudo cp -v ./zc702/boot.bin /media/boot/
sudo cp -v ./uEnv.txt /media/boot/
Install Kernel and Root File System
To help new users, since the kernel version can change on a daily basis. The kernel building scripts listed on this page will now give you a hint of what kernel version was built.
-----------------------------
Script Complete
eewiki.net: [user@localhost:~$ export kernel_version=5.X.Y-Z]
-----------------------------
Copy and paste that “export kernel_version=5.X.Y-Z” exactly as shown in your own build/desktop environment and hit enter to create an environment variable to be used later.
export kernel_version=5.X.Y-Z
Copy Root File System
#Debian; Root File System: user@localhost:~$
sudo tar xfvp ./debian-*-*-armhf-*/armhf-rootfs-*.tar -C /media/rootfs/
sync
sudo chown root:root /media/rootfs/
sudo chmod 755 /media/rootfs/
#Ubuntu; Root File System: user@localhost:~$
sudo tar xfvp ./ubuntu-*-*-armhf-*/armhf-rootfs-*.tar -C /media/rootfs/
sync
sudo chown root:root /media/rootfs/
sudo chmod 755 /media/rootfs/
Copy Kernel Image
Kernel Image:
#user@localhost:~$
sudo cp -v ./armv7-multiplatform/deploy/${kernel_version}.zImage /media/boot/zImage
Copy Kernel Device Tree Binaries
#user@localhost:~$
sudo mkdir -p /media/boot/dtbs/
sudo tar xfvo ./armv7-multiplatform/deploy/${kernel_version}-dtbs.tar.gz -C /media/boot/dtbs/
Copy Kernel Modules
#user@localhost:~$
sudo tar xfv ./armv7-multiplatform/deploy/${kernel_version}-modules.tar.gz -C /media/rootfs/
File Systems Table (/etc/fstab)
#user@localhost:~/$
sudo sh -c "echo '/dev/mmcblk0p2 / auto errors=remount-ro 0 1' >> /media/rootfs/etc/fstab"
sudo sh -c "echo '/dev/mmcblk0p1 /boot/uboot auto defaults 0 2' >> /media/rootfs/etc/fstab"
Remove microSD/SD card
sync
sudo umount /media/boot
sudo umount /media/rootfs
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