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This is a page about the NXP based i.MX6; Wandboard.
Availability
Boards:
Wandboard SOLO at Digi-Key
Wandboard DUAL at Digi-Key
Wandboard QUAD at Digi-Key
Wandboard SOLO (WB-IMX6S) at Digi-Key
Wandboard DUAL (WB-IMX6U-BW) at Digi-Key
Wandboard QUAD (WB-IMX6Q-BW) at Digi-Key
Wandboard QUADPLUS (WB-IMX6QP-BW) at Digi-Key
Accessories:
Wandboard Antenna Kit at Digi-Key
Wandboard Enclosure at Digi-Key
5V 2A+ DC Power Supply (2.1mm ID x 5.5mm OD positive center plug) at Digi-Key
Vendor Documentation
- WANDBOARD.ORG: https://www.wandboard.org/
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
ARM Cross Compiler: GCC
This is a pre-built (64bit) version of GCC that runs on generic linux, sorry (32bit) x86 users, it's time to upgrade...
Download/Extract:
user@localhost:~$
wget -c https://releases.linaro.org/components/toolchain/binaries/6.5-2018.12/arm-linux-gnueabihf/gcc-linaro-6.5.0-2018.12-x86_64_arm-linux-gnueabihf.tar.xz tar xf gcc-linaro-6.5.0-2018.12-x86_64_arm-linux-gnueabihf.tar.xz export CC=`pwd`/gcc-linaro-6.5.0-2018.12-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
Test Cross Compiler:
user@localhost:~$
${CC}gcc --version
Test Output:
arm-linux-gnueabihf-gcc (Linaro GCC 6.5-2018.12) 6.5.0 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Bootloader: U-Boot
Das U-Boot – the Universal Boot Loader: http://www.denx.de/wiki/U-Boot
eewiki.net patch archive: https://github.com/eewiki/u-boot-patches
Download:
user@localhost:~$
git clone -b v2019.04 https://github.com/u-boot/u-boot --depth=1 cd u-boot/
Patches:
user@localhost:~/u-boot$
wget -c https://github.com/eewiki/u-boot-patches/raw/master/v2019.04/0001-wandboard-uEnv.txt-bootz-n-fixes.patch patch -p1 < 0001-wandboard-uEnv.txt-bootz-n-fixes.patch
Configure and Build:
user@localhost:~/u-boot$
make ARCH=arm CROSS_COMPILE=${CC} distclean make ARCH=arm CROSS_COMPILE=${CC} wandboard_defconfig make ARCH=arm CROSS_COMPILE=${CC}
Linux Kernel
This script will build the kernel, modules, device tree binaries and copy them to the deploy directory.
Download:
user@localhost:~$
git clone https://github.com/RobertCNelson/armv7-multiplatform cd armv7-multiplatform/
For v4.14.x (Longterm 4.14.x):
user@localhost:~/armv7-multiplatform$
git checkout origin/v4.14.x -b tmp
For v4.14.x-rt (Longterm 4.14.x + Real-Time Linux):
user@localhost:~/armv7-multiplatform$
git checkout origin/v4.14.x-rt -b tmp
For v4.19.x (Longterm 4.19.x):
user@localhost:~/armv7-multiplatform$
git checkout origin/v4.19.x -b tmp
For v4.19.x-rt (Longterm 4.19.x + Real-Time Linux):
user@localhost:~/armv7-multiplatform$
git checkout origin/v4.19.x-rt -b tmp
For v5.4.x (Longterm 5.4.x):
user@localhost:~/armv7-multiplatform$
git checkout origin/v5.4.x -b tmp
For v5.4.x-rt (Longterm 5.4.x + Real-Time Linux):
user@localhost:~/armv7-multiplatform$
git checkout origin/v5.4.x-rt -b tmp
For v5.6.x (Stable):
user@localhost:~/armv7-multiplatform$
git checkout origin/v5.6.x -b tmp
For v5.6.x-rt (Stable + Real-Time Linux):
user@localhost:~/armv7-multiplatform$
git checkout origin/v5.6.x-rt -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-10.4-minimal-armhf-2020-05-10.tar.xz
Verify:
user@localhost:~$
sha256sum debian-10.4-minimal-armhf-2020-05-10.tar.xz
sha256sum output:
cd598e42850cbef87602bf15ee343abfbf0d8c6ba81028c741672b5f24263534 debian-10.4-minimal-armhf-2020-05-10.tar.xz
Extract:
user@localhost:~$
tar xf debian-10.4-minimal-armhf-2020-05-10.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-minimal-armhf-2020-05-10.tar.xz
Verify:
user@localhost:~$
sha256sum ubuntu-20.04-minimal-armhf-2020-05-10.tar.xz
sha256sum output:
de0177ac9259fdbcc626ee239f4258b64070c0921dbc38c45fab6925a5becaa1 ubuntu-20.04-minimal-armhf-2020-05-10.tar.xz
Extract:
user@localhost:~$
tar xf ubuntu-20.04-minimal-armhf-2020-05-10.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=${DISK} bs=1M count=10
Install Bootloader:
user@localhost:~$
sudo dd if=./u-boot/SPL of=${DISK} seek=1 bs=1k sudo dd if=./u-boot/u-boot.img of=${DISK} seek=69 bs=1k
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,,L,* __EOF__
sfdisk <= 2.25.x
sudo sfdisk --unit M ${DISK} <<-__EOF__ 1,,L,* __EOF__
Format Partition:
for: DISK=/dev/mmcblkX sudo mkfs.ext4 -L rootfs ${DISK}p1 for: DISK=/dev/sdX sudo mkfs.ext4 -L rootfs ${DISK}1
Mount Partition:
On most systems these partitions may be auto-mounted...
sudo mkdir -p /media/rootfs/ for: DISK=/dev/mmcblkX sudo mount ${DISK}p1 /media/rootfs/ for: DISK=/dev/sdX sudo mount ${DISK}1 /media/rootfs/
Install Kernel and Root File System
To help new users, since the kernel version can change on a daily basis. The kernel building scripts listed on this page will now give you a hint of what kernel version was built.
----------------------------- Script Complete eewiki.net: [user@localhost:~$ 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
user@localhost:~$
sudo tar xfvp ./*-*-*-armhf-*/armhf-rootfs-*.tar -C /media/rootfs/ sync sudo chown root:root /media/rootfs/ sudo chmod 755 /media/rootfs/
Set uname_r in /boot/uEnv.txt
user@localhost:~$
sudo sh -c "echo 'uname_r=${kernel_version}' >> /media/rootfs/boot/uEnv.txt"
Video
See other hints: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/fb/modedb.txt
~/
sudo sh -c "echo 'cmdline=video=HDMI-A-1:1024x768@60e' >> /media/rootfs/boot/uEnv.txt"
Copy Kernel Image
Kernel Image:
user@localhost:~$
sudo cp -v ./armv7-multiplatform/deploy/${kernel_version}.zImage /media/rootfs/boot/vmlinuz-${kernel_version}
Copy Kernel Device Tree Binaries
user@localhost:~$
sudo mkdir -p /media/rootfs/boot/dtbs/${kernel_version}/ sudo tar xfv ./armv7-multiplatform/deploy/${kernel_version}-dtbs.tar.gz -C /media/rootfs/boot/dtbs/${kernel_version}/
Copy Kernel Modules
user@localhost:~$
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/mmcblk2p1 / auto errors=remount-ro 0 1' >> /media/rootfs/etc/fstab"
WiFi
Dual/Quad only (Solo has no WiFi module installed)
see: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c?id=refs/tags/v3.11-rc3#n317
~/
wget -c https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/plain/brcm/brcmfmac4329-sdio.bin wget -c https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/plain/brcm/brcmfmac4330-sdio.bin wget -c https://rcn-ee.com/repos/git/meta-fsl-arm-extra/recipes-bsp/broadcom-nvram-config/files/wandboard/brcmfmac4329-sdio.txt wget -c https://rcn-ee.com/repos/git/meta-fsl-arm-extra/recipes-bsp/broadcom-nvram-config/files/wandboard/brcmfmac4330-sdio.txt sudo mkdir -p /media/rootfs/lib/firmware/brcm/ sudo cp -v ./brcmfmac43*-sdio.bin /media/rootfs/lib/firmware/brcm/ sudo cp -v ./brcmfmac43*-sdio.txt /media/rootfs/lib/firmware/brcm/
Status:
debian@arm:~$ dmesg | grep brcm [ 4.798229] brcmfmac: F1 signature read @0x18000000=0x9934329 [ 4.799328] brcmfmac: brcmf_sdio_chip_drivestrengthinit: No SDIO Drive strength init done for chip 4329 rev 3 pmurev 6 [ 5.058286] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Sep 2 2011 14:48:19 version 4.220.48 [ 5.082280] brcmfmac: brcmf_fil_cmd_data: Failed err=-23 [ 5.087654] brcmfmac: brcmf_fws_init: failed to set bdcv2 tlv signaling debian@arm:~$ /sbin/ifconfig -a wlan0 Link encap:Ethernet HWaddr 40:2c:f4:ae:17:91 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Remove microSD/SD card
sync sudo umount /media/rootfs
2D/3D Video Acceleration via Etnaviv Project
Vivante GC320/GC880 (quad GC320/GC355/GC2000) 2D/3D Acceleration via Etnaviv
This sections assumes you have already installed your favorite xorg based window manager, such as lxde, lxqt, xfce, kde, gnome, etc... These are packages that need to be installed on top of your selected windows manager and an xorg.conf needed to correctly setup the video interface.
Verify your kernel has etnaviv support:
SOLO/DUAL
debian@arm:~$ dmesg | grep etnaviv [ 4.047928] etnaviv gpu-subsystem: bound 134000.gpu (ops gpu_ops) [ 4.047955] etnaviv gpu-subsystem: bound 130000.gpu (ops gpu_ops) [ 4.047968] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 4.090180] etnaviv-gpu 130000.gpu: model: GC880, revision: 5106
QUAD
debian@arm:~$ dmesg | grep etnaviv [ 4.025841] etnaviv gpu-subsystem: bound 134000.gpu (ops gpu_ops) [ 4.025868] etnaviv gpu-subsystem: bound 130000.gpu (ops gpu_ops) [ 4.025887] etnaviv gpu-subsystem: bound 2204000.gpu (ops gpu_ops) [ 4.025899] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 4.070139] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 4.120479] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 4.120492] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
edid parsing still seems hit and miss on the quad board, override default 1024x768 resolution via the video variable in uEnv.txt.
See other hints: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/fb/modedb.txt
cmdline=video=HDMI-A-1:1024x768@60e
1080p
cmdline=video=HDMI-A-1:1920x1080@60e
sudo apt-get update sudo apt-get install xserver-xorg-video-armada-etnaviv
/etc/X11/xorg.conf
Section "Monitor" Identifier "Builtin Default Monitor" EndSection Section "Device" Identifier "Builtin Default fbdev Device 0" Driver "armada" EndSection Section "Screen" Identifier "Builtin Default fbdev Screen 0" Device "Builtin Default fbdev Device 0" Monitor "Builtin Default Monitor" EndSection Section "ServerLayout" Identifier "Builtin Default Layout" Screen "Builtin Default fbdev Screen 0" EndSection
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