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Wiki Markup
This is a page about Octavo System's TI Cortex-A8 based; OSD3358-SM-RED.

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{hide-comments

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{toc

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:indent

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=20px

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|style

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Availability

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=disc}
 
h2. Availability
Boards:
[OSD3358-SM-RED|https://www.digikey.com/product-search/en?keywords=1676-1003-ND] at Digi-Key

...


 
Cables:

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[(USB to serial adapter) TTL-232R-3V3|https://www.digikey.com/product-search/en?keywords=768-1015-ND] at Digi-Key

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[HDMI-A Male to HDMI-D Male (1.5M)|https://www.digikey.com/product-search/en?keywords=WM1285-ND] at Digi-Key

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[HDMI-A Male to HDMI-D Male (1.5M)|https://www.digikey.com/product-search/en?keywords=WM1284-ND] at Digi-Key

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[HDMI-A Male to HDMI-D Male (2M)|https://www.digikey.com/product-search/en?keywords=WM1283-ND] at Digi-Key

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Basic Requirements

...


 
h2. 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/

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]
* Linux Kernel

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** Linus's Mainline tree: [https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

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]
* ARM based rootfs

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** Debian: [https://www.debian.org

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]
** Ubuntu: [https://www.ubuntu.com

...

]
 
h2. ARM Cross Compiler: GCC

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This is a pre-built (64bit) version of GCC that runs on generic linux, sorry (32bit) x86 users, it's time to upgrade...

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Download/Extract:

...


{code
:title
=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-
{code}
Test Cross Compiler:

...


{code
:title
=user@localhost:~$
}
${CC}gcc --version
Code Block
titleTest Output:
{code}
{code:title=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.
{code}
 
h2. 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:

...


{code
:title
=user@localhost:~$
}
git clone -b v2019.04 https://github.com/u-boot/u-boot --depth=1
cd u-boot/
git checkout v2019.04 -b tmp

Patches:

Code Block
title
{code}
Patches:
{code:title=user@localhost:~/u-boot$
}
wget -c https://github.com/eewiki/u-boot-patches/raw/master/v2019.04/0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
wget -c https://github.com/eewiki/u-boot-patches/raw/master/v2019.04/0002-U-Boot-BeagleBone-Cape-Manager.patch
 
patch -p1 < 0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
patch -p1 < 0002-U-Boot-BeagleBone-Cape-Manager.patch
{code}
Configure and Build:

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{code
:title
=user@localhost:~/u-boot$
}
make ARCH=arm CROSS_COMPILE=${CC} distclean
make ARCH=arm CROSS_COMPILE=${CC} am335x_evm_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.

Mainline

Download:

Code Block
title~/
{code}
 
h2. Linux Kernel
This script will build the kernel, modules, device tree binaries and copy them to the deploy directory.
h3. Mainline
Download:
{code:title=~/}
git clone https://github.com/RobertCNelson/bb-kernel
cd bb-kernel/
{code}
For am33x-v4.14 (Longterm 4.14.x):

...


{code
:title
=user@localhost:~/bb-kernel$
}
git checkout origin/am33x-v4.14 -b tmp
{code}
For am33x-rt-v4.14 (Longterm 4.14.x + Real-Time Linux):

...


{code
:title
=user@localhost:~/bb-kernel$
}
git checkout origin/am33x-rt-v4.14 -b tmp
{code}
For am33x-v4.19 (Longterm 4.19.x):

...


{code
:title
=user@localhost:~/bb-kernel$
}
git checkout origin/am33x-v4.19 -b tmp
{code}
For am33x-rt-v4.19 (Longterm 4.19.x + Real-Time Linux):

...


{code
:title
=user@localhost:~/bb-kernel$
}
git checkout origin/am33x-rt-v4.19 -b tmp
{code}
Build:

...


{code
:title
=user@localhost:~/bb-kernel$
}
./build_kernel.sh

TI BSP

Download:

Code Block
title~/
{code}
 
h3. TI BSP
Download:
{code:title=~/}
git clone https://github.com/RobertCNelson/ti-linux-kernel-dev.git
cd ti-linux-kernel-dev/
{code}
For TI v4.14.x:

...


{code
:title
=~/ti-linux-kernel-dev/
}
git checkout origin/ti-linux-4.14.y -b tmp
{code}
For TI v4.14.x: Real-Time

...


{code
:title
=~/ti-linux-kernel-dev/
}
git checkout origin/ti-linux-rt-4.14.y -b tmp
{code}
For TI v4.19.x:

...


{code
:title
=~/ti-linux-kernel-dev/
}
git checkout origin/ti-linux-4.19.y -b tmp
{code}
For TI v4.19.x: Real-Time

...


{code
:title
=~/ti-linux-kernel-dev/
}
git checkout origin/ti-linux-rt-4.19.y -b tmp
{code}
Build:

...


{code
:title
=user@localhost:~/ti-linux-kernel-dev$
}
./build_kernel.sh

Root File System

Debian 10

User

Password

debian

temppwd

root

root

Download:

Code Block
titleuser@localhost:~$
{code}
 
h2. Root File System
h3. Debian 10
|| User || Password ||
| debian | temppwd |
| root | root |
Download:
{code:title=user@localhost:~$}
wget -c https://rcn-ee.com/rootfs/eewiki/minfs/debian-10.34-minimal-armhf-2020-0205-10.tar.xz
{code}
 
Verify:

...


{code
:title
=user@localhost:~$
}
sha256sum debian-10.34-minimal-armhf-2020-0205-10.tar.xz
Code Block
titlesha256sum output:

a6645dfb49795bbe809dfc3c2b7dff53ad4daab24a654edd29bab29ae007cc40{code}
{code:title=sha256sum output:}
cd598e42850cbef87602bf15ee343abfbf0d8c6ba81028c741672b5f24263534  debian-10.34-minimal-armhf-2020-0205-10.tar.xz
{code}
 
Extract:

...


{code
:title
=user@localhost:~$
}
tar xf debian-10.34-minimal-armhf-2020-0205-10.tar.xz

...

{code}
 
h3. Ubuntu 20.04 LTS

...

User

Password

ubuntu

temppwd

Download:

Code Block
titleuser@localhost:~$

|| User || Password ||
| ubuntu | temppwd |
Download:
{code:title=user@localhost:~$}
wget -c https://rcn-ee.com/rootfs/eewiki/minfs/ubuntu-1820.04.3-minimal-armhf-2020-0205-10.tar.xz
{code}
 
Verify:

...


{code
:title
=user@localhost:~$
}
sha256sum ubuntu-1820.04.3-minimal-armhf-2020-0205-10.tar.xz
Code Block
titlesha256sum output:

b28b356d75153bfb3beb5c96bf8eabe92025cf5e665e1a564b469bc70e5a363b{code}
{code:title=sha256sum output:}
de0177ac9259fdbcc626ee239f4258b64070c0921dbc38c45fab6925a5becaa1  ubuntu-1820.04.3-minimal-armhf-2020-0205-10.tar.xz
{code}
 
Extract:

...


{code
:title
=user@localhost:~$
}
tar xf ubuntu-1820.04.3-minimal-armhf-2020-0205-10.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
Code Block
title
{code}
 
h2. 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.
{code:title=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
Code Block
titleThus you would use:
{code}
{code:title=Thus you would use:}
export DISK=/dev/sdb
Code Block
title
{code}
{code:title=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
Code Block
titleThus you would use:
{code}
{code:title=Thus you would use:}
export DISK=/dev/mmcblk0

...

{code}
 
Erase partition table/labels on microSD card:

...


{code
}
sudo dd if=/dev/zero of=${DISK} bs=1M count=10

...

{code}
 
Install Bootloader:

...


{code
:title
=user@localhost:~$
}
sudo dd if=./u-boot/MLO of=${DISK} count=1 seek=1 bs=128k
sudo dd if=./u-boot/u-boot.img of=${DISK} count=2 seek=1 bs=384k
{code}
Create Partition Layout:

...


With util-linux v2.26, sfdisk was rewritten and is now based on libfdisk.

...

sfdisk sfdisk

{code
:title
=Check the version of sfdisk installed on your pc
}
sudo sfdisk --version
Code Block
titleExample Output
{code}
{code:title=Example Output}
sfdisk from util-linux 2.27.1
Code Block
title
{code}
{code:title=sfdisk >= 2.26.x
}
sudo sfdisk ${DISK} <<-__EOF__
4M,,L,*
__EOF__
Code Block
title
{code}
{code:title=sfdisk <= 2.25.x
}
sudo sfdisk --unit M ${DISK} <<-__EOF__
4,,L,*
__EOF__

...

{code}
 
Format Partition:

...


{code
}
for: DISK=/dev/mmcblkX
sudo mkfs.ext4 -L rootfs ${DISK}p1
 
for: DISK=/dev/sdX
sudo mkfs.ext4 -L rootfs ${DISK}1
{code}
Mount Partition:

...


*On most systems these partitions may be auto-mounted...

...

*
{code
}
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/

Backup Bootloader

...

{code}
 
h3. Backup Bootloader
This version of MLO/u-boot.img will be used on the "eMMC" flasher script on this page.

...


{code
:title
=~/
}
sudo mkdir -p /media/rootfs/opt/backup/uboot/
sudo cp -v ./u-boot/MLO /media/rootfs/opt/backup/uboot/
sudo cp -v ./u-boot/u-boot.img /media/rootfs/opt/backup/uboot/

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.

Code Block
{code}
 
h2. 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.
{code}
-----------------------------
Script Complete
eewiki.net: [user@localhost:~$ export kernel_version=5.X.Y-Z]
-----------------------------

...

{code}
 
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.

...


{code
}
export kernel_version=5.X.Y-Z

Copy Root File System

Code Block
title
{code}
 
h3. Copy Root File System
{code:title=user@localhost:~$
}
sudo tar xfvp ./*-*-*-armhf-*/armhf-rootfs-*.tar -C /media/rootfs/
sync
sudo chown root:root /media/rootfs/
sudo chmod 755 /media/rootfs/

...

{code}
 
h3. Set uname_r in /boot/uEnv.txt

...


{code
:title
=user@localhost:~$
}
sudo sh -c "echo 'uname_r=${kernel_version}' >> /media/rootfs/boot/uEnv.txt"

Copy Kernel Image

Kernel Image:

Code Block
titleuser@localhost:~$
{code}
 
h3. Copy Kernel Image
Kernel Image:
{code:title=user@localhost:~$}
sudo cp -v ./bb-kernel/deploy/${kernel_version}.zImage /media/rootfs/boot/vmlinuz-${kernel_version}

Copy Kernel Device Tree Binaries

Code Block
title
{code}
 
h3. Copy Kernel Device Tree Binaries
{code:title=user@localhost:~$
}
sudo mkdir -p /media/rootfs/boot/dtbs/${kernel_version}/
sudo tar xfv ./bb-kernel/deploy/${kernel_version}-dtbs.tar.gz -C /media/rootfs/boot/dtbs/${kernel_version}/

Copy Kernel Modules

Code Block
title
{code}
 
h3. Copy Kernel Modules
{code:title=user@localhost:~$
}
sudo tar xfv ./bb-kernel/deploy/${kernel_version}-modules.tar.gz -C /media/rootfs/

...

{code}
 
h3. File Systems Table (/etc/fstab)

...

Code Block

{code:title=user@localhost:~/$}
sudo sh -c "echo '/dev/mmcblk0p1  /  auto  errors=remount-ro  0  1' >> /media/rootfs/etc/fstab"

Networking

{code}
 
h3. Networking
Edit: /etc/network/interfaces

...


{code
}
sudo nano /media/rootfs/etc/network/interfaces
{code}
Add:

...


{code
:title
=/etc/network/interfaces
}
auto lo
iface lo inet loopback
 
auto eth0
iface eth0 inet dhcp
{code}
 
h3. Networking: Using a shared SD card with Multiple BeagleBone

...


 To always enable the Ethernet interface as eth0.

...


Edit: /etc/udev/rules.d/70-persistent-net.rules

...


{code
}
sudo nano /media/rootfs/etc/udev/rules.d/70-persistent-net.rules
{code}
Add:

...



{code
:title
=/etc/udev/rules.d/70-persistent-net.rules
}
# BeagleBone: net device ()
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

...

{code}
 
h3. Remove microSD/SD card

...


{code
}
sync
sudo umount /media/rootfs

HDMI

...

{code}
 
h3. HDMI
This sections assumes you have already installed your favorite xorg based window manager, such as lxde, 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.

...


*Note: If the cursor doesn\'t show up right away, first hit: ctlr-alt-f1 then: ctrl-alt-f7 after which it \'should\' show up...

...

*
Make sure to install, fbdev driver and xrandr utilities:

...


{code
}
sudo apt update
sudo apt install read-edid xserver-xorg-video-fbdev x11-xserver-utils
Code Block
title
{code}
 
{code:title=/etc/X11/xorg.conf
}
Section "Monitor"
        Identifier      "Builtin Default Monitor"
EndSection
Section "Device"
        Identifier      "Builtin Default fbdev Device 0"
        Driver          "fbdev"
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
{code}
 
xrandr:

...


{code
}
xrandr
xrandr --output HDMI-0 --mode 1024x768 --rate 60

...

{code}
 
xrandr \(over serial/ssh\)

...


{code
}
xrandr -display :0.0 -q
xrandr -display :0.0 --output HDMI-0 --mode 1024x768 --rate 60

eMMC

Script to copy your microSD card to eMMC: (this will need these packages installed: initramfs-tools dosfstools rsync)

Code Block
{code}
 
h3. eMMC
Script to copy your microSD card to eMMC: (this will need these packages installed: initramfs-tools dosfstools rsync)
{code}
wget https://raw.githubusercontent.com/RobertCNelson/boot-scripts/master/tools/eMMC/bbb-eMMC-flasher-eewiki-ext4.sh
chmod +x bbb-eMMC-flasher-eewiki-ext4.sh
sudo /bin/bash ./bbb-eMMC-flasher-eewiki-ext4.sh
{code}
 
h3. U-Boot Overlays

...


Full Documentation:

...

Code Block
titleAny issues run:
 [readme|https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays]
Any issues:
{code:title=Any issues run:}
sudo /opt/scripts/tools/version.sh
{code}
Enable:

...


{code
:title
=/boot/uEnv.txt
}
enable_uboot_overlays=1
{code}
To Disable: eMMC:

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_emmc=1
{code}
To Disable: HDMI VIDEO & AUDIO:

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_video=1
{code}
To Disable: HDMI AUDIO:

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_audio=1
{code}
To Disable: WL1835:

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_wireless=1
{code}
To Disable: BB-ADC:

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_adc=1
{code}
U-Boot: override detected capes

...


{code
:title
=/boot/uEnv.txt
}
uboot_overlay_addr0=/lib/firmware/<file0>.dtbo
uboot_overlay_addr1=/lib/firmware/<file1>.dtbo
uboot_overlay_addr2=/lib/firmware/<file2>.dtbo
uboot_overlay_addr3=/lib/firmware/<file3>.dtbo
{code}
U-Boot: disable auto-loading of detected capes

...


{code
:title
=/boot/uEnv.txt
}
disable_uboot_overlay_addr0=1
disable_uboot_overlay_addr1=1
disable_uboot_overlay_addr2=1
disable_uboot_overlay_addr3=1
{code}
U-Boot: load 4 more un-detected capes

...


{code
:title
=/boot/uEnv.txt
}
uboot_overlay_addr4=/lib/firmware/<file4>.dtbo
uboot_overlay_addr5=/lib/firmware/<file5>.dtbo
uboot_overlay_addr6=/lib/firmware/<file6>.dtbo
uboot_overlay_addr7=/lib/firmware/<file7>.dtbo
{code}
U-Boot: PRU Options (v4.14.x-ti)

...


{code
:title
=/boot/uEnv.txt
}
uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo
{code}
U-Boot: PRU Options (v4.19.x-ti)

...


{code
:title
=/boot/uEnv.txt
}
uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-19-TI-00A0.dtbo
{code}
U-Boot: PRU Options

...


{code
:title
=/boot/uEnv.txt
}
uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo
{code}
U-Boot: Cape Universal

...


{code
:title
=/boot/uEnv.txt
}
enable_uboot_cape_universal=1

Comments

...

{code}
 
h2. Comments
Any questions or comments please go to our TechForum: [TechForum|https://forum.digikey.com/c/linux-on-arm/]