Difference between revisions of "Bora Embedded Linux Kit (BELK)"

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{{InfoBoxBottom}}
 
{{InfoBoxBottom}}
  
−
{{ObsoleteWikiPage|link=DESK-XZ7-L}}
+
==Introduction==
−
 
 
−
{{ImportantMessage|text='''For BELK 3.0.2 or older, the boot process was based on the FSBL+second-stage bootloader (U-Boot) combination. From BELK 4.0.0 on, the boot process is based on the first-stage bootloader (U-Boot SPL)+second-stage bootloader (U-Boot) combination.'''
 
−
}}
 
−
 
 
−
<section begin="Unboxing" />
 
−
==Unboxing==
 
  
 
[[File:Belk_01.png|500px]]
 
[[File:Belk_01.png|500px]]
  
 
Bora Embedded Linux Kit (BELK for short) provides all the necessary components required to set up the developing environment for:
 
Bora Embedded Linux Kit (BELK for short) provides all the necessary components required to set up the developing environment for:
−
* building the first-stage bootloader:
+
* configuring the system (PS and PL) at hardware level
−
** FSBL for BELK 3.0.2 or older
+
* build the first-stage bootloader (FSBL)
−
** U-boot SPL for BELK 4.0.0 or newer
+
* building the second stage bootloader (U-Boot)
−
* building the second-stage bootloader (U-Boot)
 
 
* building and running Linux operating system on Bora-based systems
 
* building and running Linux operating system on Bora-based systems
−
* building Linux applications that will run on the target.
+
* building Linux applications that will run on the target
  
−
'''DAVE Embedded Systems''' provides all the customization required (in particular at bootloader and Linux kernel levels) to enable customers to use the standard Zynq-7000 development tools for building all the firmware/software components that will run on the target system.
+
'''DAVE Embedded Systems''' provides all the customization required (in particular at bootloader and Linux kernel levels) to enable customers use the standard Zynq-7000 development tools for building all the firmware/software components that will run on the target system.
−
<section end="Unboxing" />
 
  
−
<section begin="Kit Content" />
 
−
==Kit contents==
 
  
−
{| class="wikitable" style="margin: auto;"
+
==Logical structure of Bora Embedded Linux Kit (BELK)==
 +
Please refer to [[Logical_structure_of_Bora_and_BoraX_Embedded_Linux_Kits_(BELK/BXELK)|this page]].
 +
 
 +
==Kit Contents==
 +
 
 +
{| class="wikitable"  
 
|-
 
|-
 
!Component
 
!Component
Line 33: Line 28:
 
!Notes
 
!Notes
 
|-
 
|-
−
| style="text-align: center;" | [[File:Bora5-small.jpg|60px]]
+
|style="text-align: center;" | [[File:Bora5-small.jpg|60px]]
−
|[[:Category:Bora|Bora]] SOM  
+
|[[:Category:Bora|BORA]] SOM<br>CPU: Xilinx Zynx 7000
−
 
+
|Please refer to [[Hardware Manual (Bora) | Bora Hardware Manual]]
−
Default option is DBRF4110S2R (see [[#Order codes|Order codes]] for more options)
 
−
*SoC: Xilinx XC7Z020 (866Mhz, Speed "-3", Tj 0-100°C)
 
−
*SDRAM: 1 GB DDR3
 
−
*NOR: bootable SPI flash 16 MB
 
−
*NAND: 1GB (SLC)
 
−
|
 
−
* For more details, please refer to the[[Hardware Manual (Bora) | Bora Hardware Manual]]
 
−
* By default, ARM cores frequency is set to 667 MHz and the [[Creating and building example Vivado project (BELK/BXELK)|example Vivado project]] is implemented for a "-1" device. This choice makes the software released with the kit compatible with possible variants based on different SoM models. In this regard, see also the [[#Order codes|order codes section]].
 
 
|-
 
|-
−
| style="text-align: center;" | [[File:Boraevb-02.png|80px]]
+
|style="text-align: center;" | [[File:Boraevb-02.png|80px]]
 
|BORA Carrier board
 
|BORA Carrier board
−
|Se also the[[BoraEVB | BoraEVB]] page
+
|Please refer to [[BoraEVB | BoraEVB]] page
 
|-
 
|-
−
| style="text-align: center;" | [[File:Alimentatore.jpg|40px]]
+
|style="text-align: center;" | [[File:Alimentatore.jpg|40px]]
 
|AC/DC Single Output Wall Mount adapter<br>Output: +12V – 2.0 A
 
|AC/DC Single Output Wall Mount adapter<br>Output: +12V – 2.0 A
 
|Please refer to Belk Quick Start Guide
 
|Please refer to Belk Quick Start Guide
 
|-
 
|-
−
| [[File:FTDI-CHIPI-X10.png|60px|center]]
+
|style="text-align: center;" | [[File:ProdSDC-MBLY-thumb.png|50px]]
−
|FTDI USB/RS232 cable adapter<br>
+
|MicroSDHC card with SD adapter and USB adapter
−
|FTDI code: [https://ftdichip.com/products/chipi-x10/ CHIPI-X10]
+
|Please refer to Belk Quick Start Guide
 
|-
 
|-
−
| [[File:EVK-kit-DB9-serial-cable.png.png|60px|center]]
+
|}
−
| D9 Female to D9 Female null modem cable
+
 
−
|
+
== BELK software components ==
 +
 
 +
'''DAVE Embedded Systems''' adds to the latest Linux BSP from Xilinx the customization required to support the Bora platform, in particular at bootloader and linux kernel levels.
 +
 
 +
The following table reports the BELK releases information.
 +
{| class="wikitable"
 +
!
 +
!colspan="6" | BELK version
 
|-
 
|-
−
| [[File:Sandisk_Industrial_32GB.png|60px|center]]
+
|Release number
−
| MicroSDHC card
+
|1.0.0
−
|
+
|1.1.0
 +
|2.0.0
 +
|2.1.0
 +
|2.2.0
 +
|3.0.0
 +
|-
 +
|Status
 +
|Released
 +
|Released
 +
|Released
 +
|Released
 +
|Released
 +
|Released
 +
|-
 +
|Release date
 +
|July 2013
 +
|November 2013
 +
|May 2014
 +
|August 2014
 +
|September 2015
 +
|March 2016
 +
|-
 +
|'''Release notes'''
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 1.0.0 | Ver 1.0.0]]
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 1.1.0 | Ver 1.1.0]]
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 2.0.0 | Ver 2.0.0]]
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 2.1.0 | Ver 2.1.0]]
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 2.2.0 | Ver 2.2.0]]
 +
|[[Bora_Embedded_Linux_Kit_(BELK)#BELK 3.0.0 | Ver 3.0.0]]
 +
|-
 +
|SOM PCB version
 +
|CS020313A
 +
|CS020313A
 +
|CS020313B
 +
|CS020313B
 +
|CS020313B
 +
|CS020313C
 +
|--
 +
|Supported carrier boards
 +
|[[BoraEVB-Lite]]
 +
|[[BoraEVB-Lite]]
 +
|[[BoraEVB]]
 +
|[[BoraEVB]]
 +
|[[BoraEVB]]
 +
|[[BoraEVB]]<br>
 +
|-
 +
|U-Boot version
 +
|2013.04-belk-1.0.0
 +
|2013.04-belk-1.1.0
 +
|2013.04-belk-2.0.0
 +
|2013.04-belk-2.1.0
 +
|2014.07-belk-2.2.0
 +
|2014.07-belk-3.0.0
 +
|-
 +
|Linux version
 +
|3.9.0-bora-1.0.0
 +
|3.9.0-bora-1.1.0
 +
|3.9.0-bora-2.0.0
 +
|3.9.0-bora-2.1.0
 +
|3.17.0-bora-2.2.0
 +
|3.17.0-bora-3.0.0
 +
|-
 +
|Drivers
 +
|valign="top" | -
 +
|valign="top" | -
 +
|valign="top" | Gigabit Eth #0<br>UART<br>NOR<br>NAND<br>SD/MMC<br>USB Host/Device<br>RTC<br>CAN<br>I2C
 +
|valign="top" | Gigabit Eth #0<br>UART<br>NOR<br>NAND<br>SD/MMC<br>USB Host/Device<br>RTC<br>CAN<br>I2C
 +
|valign="top" | Gigabit Eth #0<br>UART<br>NOR<br>NAND<br>SD/MMC<br>USB Host/Device<br>RTC<br>CAN<br>I2C<br>[[ConfigID_and_UniqueID | ConfigID]]
 +
|valign="top" | Gigabit Eth #0<br>UART<br>NOR<br>NAND<br>SD/MMC<br>USB Host/Device<br>RTC<br>CAN<br>I2C<br>[[ConfigID_and_UniqueID | ConfigID]]
 +
|-
 +
|Vivado version
 +
|valign="top" | 2013.2
 +
|valign="top" | 2013.3
 +
|valign="top" | 2013.3
 +
|valign="top" | 2013.3
 +
|valign="top" | 2014.4
 +
|valign="top" | 2014.4
 +
|-
 +
|Build System
 +
|valign="top" | -
 +
|valign="top" | -
 +
|valign="top" | -
 +
|valign="top" | Yocto Daisy (1.6)
 +
|valign="top" | Yocto Daisy (1.6)
 +
|valign="top" | Yocto Daisy (1.6)
 
|-
 
|-
 
|}
 
|}
  
−
===Order codes===
+
 
−
{| class="wikitable" style="margin: auto;"
+
=== How to update BELK ===
−
|+
+
 
−
!Order code
+
{{ImportantMessage|text=It's recommended to use the latest available BELK version. Please refer to [[Bora_Embedded_Linux_Kit_(BELK)#Release_notes | Release notes]] for further information.}}
 +
 
 +
==== Updating git repositories ====
 +
 
 +
In BELK, the following source trees are clones of '''DAVE Embedded Systems''' public git repositories:
 +
 
 +
{| class="wikitable"  
 +
|-
 +
!| Component
 +
!GIT Remote
 +
|-
 +
|Vivado project
 +
|git@git.dave.eu:dave/bora/bora.git
 +
|-
 +
|Linux
 +
|git@git.dave.eu:dave/bora/linux-xlnx.git
 +
|-
 +
|U-Boot
 +
|git@git.dave.eu:dave/bora/u-boot-xlnx.git
 +
|-
 +
|}
 +
 
 +
This means that these components can be kept in sync and up to date with '''DAVE Embedded Systems''' repositories.
 +
 
 +
==== RSA key generation ====
 +
 
 +
Please follow the procedure reported below to generate the RSA ssh key:
 +
 
 +
* select your username (ad es. username@myhost.com)
 +
* start your Linux development server machine
 +
* start a shell session
 +
* make sure the '''ssh''' client components are installed
 +
* enter the .ssh subdirectory into your home directory: <code>cd ~/.ssh/</code>
 +
* launch the following command: <br><pre>ssh-keygen -t rsa -C "username@myhost.com" -f username@myhost.com</pre>
 +
* this command creates the files <code>~/.ssh/username@myhost.com</code> ('''private key''') and <code>~/.ssh/username@myhost.com.pub</code> ('''public key''')
 +
* edit your <code>~/.ssh/config</code> adding the following lines:
 +
 
 +
<pre>
 +
Host git.dave.eu
 +
    User git
 +
    Hostname git.dave.eu
 +
    PreferredAuthentications publickey
 +
    IdentityFile ~/.ssh/username@myhost.com
 +
</pre>
 +
 
 +
Please send the public key file to the following email support addresses:
 +
 
 +
* [mailto:support-bora@dave.eu support-bora@dave.eu]
 +
 
 +
with the request for the creation of a new public git account associated to your username. The support team will enable the account and send you a confirmation as soon as possible.
 +
 
 +
==== Updating the repositories from BELK 2.1.0 ====
 +
 
 +
{{ImportantMessage|text=To '''update the repositories from BELK 2.1.0''', the following commands should be used:}}
 +
 
 +
<pre>
 +
git fetch origin
 +
git checkout -b <new_branch_name> origin/bora
 +
</pre>
 +
 
 +
==== Synchronizing the repositories ====
 +
 
 +
When the account is enabled, you can synchronize a source tree entering the repository directory and launching the <code>git fetch</code> command. Please note that <code>git fetch</code> doesn't merge the commits on the current branch. To do that, you should run the <code>git merge</code> command or replace the ''fetch-merge'' process with a single <code>git pull</code> command. Please note that the recommended method is the ''fetch-merge'' process. For further information on Git, please refer to [http://git-scm.com/documentation Git Documentation].
 +
 
 +
=== Release notes ===
 +
 
 +
==== BELK 3.0.0 ====
 +
 
 +
Updates:
 +
# Added support for BORA Xpress SOM
 +
# Updated U-Boot and Linux versions
 +
 
 +
===== Known Limitations =====
 +
 
 +
{| class="wikitable"
 +
|-
 +
!Issue
 +
!Description
 +
|-
 +
| Yocto ubi-utils command line
 +
| Some Yocto ubi-utils command line are in non standard format. For ''ubimkvol'' and ''ubirmvol'' the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
 +
|-
 +
|External DDR3 bank
 +
|The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
 +
|-
 +
|ETH1 interface
 +
|The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
 +
|-
 +
|RTC
 +
|Date/time retention is limited to about 4 hours.
 +
|-
 +
|}
 +
 
 +
==== BELK 2.2.0 ====
 +
 
 +
Updates:
 +
# Switched to Vivado 2014.4
 +
# Added “board part” for the BORA SOM, which includes all the settings of the Zynq PS for BORA, allowing users to manage projects from the Vivado GUI (and not only using the CLI).
 +
# Added [[ConfigID_and_UniqueID | ConfigID]]
 +
# Updated U-Boot and Linux versions
 +
 
 +
===== Known Limitations =====
 +
 
 +
{| class="wikitable"  
 +
|-
 +
!Issue
 +
!Description
 +
|-
 +
| Kernel command line
 +
| User should remove '''mem=xxx''' from kernel command line to avoid system hang during boot. This is fixed in current u-boot default environment
 +
|-
 +
| Yocto ubi-utils command line
 +
| Some Yocto ubi-utils command line are in non standard format. For ''ubimkvol'' and ''ubirmvol'' the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
 +
|-
 +
|External DDR3 bank
 +
|The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
 +
|-
 +
|ETH1 interface
 +
|The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
 +
|-
 +
|RTC
 +
|Date/time retention is limited to about 4 hours.
 +
|-
 +
|u-boot default environment
 +
|Default u-boot environment has a syntax error on ''sdboot'' command. This is already fixed in <code>bora-next</code> branch, release <code>belk-2.2.1-rc1</code>, available on u-boot repository.
 +
|-
 +
|}
 +
 
 +
==== BELK 2.1.0 ====
 +
 
 +
Updates:
 +
# Fix and performance improvement on u-boot network interface
 +
# Fix SD card hotplug issue in Linux
 +
# First [[Building_the_software_components_via_Yocto_(BELK)|Yocto Daisy (1.6) BSP Release]]
 +
 
 +
===== Known Limitations =====
 +
 
 +
{| class="wikitable"
 +
|-
 +
!Issue
 +
!Description
 +
|-
 +
| ETH0 interface
 +
| Primary Gigabit Ethernet Interface (ETH0) is not working correctly at 10Mbps<br>
 +
|-
 +
| Kernel command line
 +
| User should remove '''mem=xxx''' from kernel command line to avoid system hang during boot
 +
|-
 +
| Yocto ubi-utils command line
 +
| Some Yocto ubi-utils command line are in non standard format. For ''ubimkvol'' and ''ubirmvol'' the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
 +
|-
 +
|External DDR3 bank
 +
|The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
 +
|-
 +
|ETH1 interface
 +
|The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
 +
|-
 +
|RTC
 +
|Date/time retention is limited to about 4 hours.
 +
|-
 +
|}
 +
 
 +
==== BELK 2.0.0 ====
 +
 
 +
Updates:
 +
# Added support for the BoraEVB carrier board
 +
# Updated supported drivers list (please refer to [[Bora_Embedded_Linux_Kit_(BELK)#BELK_software_components | BELK_software_components]])
 +
 
 +
===== Known Limitations =====
 +
 
 +
The following table reports the known limitations of this BELK release:
 +
 
 +
{| class="wikitable"
 +
|-
 +
!Issue
 
!Description
 
!Description
 
|-
 
|-
−
|BELK-L-S-S
+
|External DDR3 bank
−
|This code refers to the default configuration detailed above
+
|The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
 +
|-
 +
|ETH1 interface
 +
|The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
 +
|-
 +
|RTC
 +
|Date/time retention is limited to about 4 hours.
 
|-
 
|-
 
|}
 
|}
  
−
<section end="Kit Content" />
+
==== BELK 1.1.0 ====
  
−
==Logical structure of Bora Embedded Linux Kit (BELK)==
+
Updates:
−
Please refer to [[Logical_structure_of_Bora_and_BoraX_Embedded_Linux_Kits_(BELK/BXELK)|this page]].
+
# Switched to Vivado 2013.3
 +
# Added application note "AMP on Bora"
  
−
== BELK software components ==
+
==== BELK 1.0.0 ====
−
Please refer to [[BELK/BXELK_software_components|this page]].
 
  
−
==Quick start guide==
+
First official release
−
Please refer to [[BELK/BXELK_Quick_Start_Guide|this page]].
 
−
==Physical devices mapping==
 
−
Please refer to [[Physical_devices_mapping_(BELK/BXELK)|this page]].
 
−
==Advanced topics==
 
−
===Debugging with Eclipse===
 
−
Please refer to [[Debugging with Eclipse (MVM)|this page]].
 
−
===ConfigID feature===
 
−
Please refer to [[ConfigID_management_(BELK/BXELK)|this page]].
 
  
 
== Related Documents ==
 
== Related Documents ==
Line 101: Line 351:
 
* [[BoraEVB-Lite | BoraEVB-Lite]]
 
* [[BoraEVB-Lite | BoraEVB-Lite]]
 
* [[BoraEVB | BORAEVB]]
 
* [[BoraEVB | BORAEVB]]
−
* [[BELK/BXELK Quick Start Guide]]
+
* [[BELK Quick Start Guide]]
 +
* [[Application_Notes_(Bora) | Application Notes]]
 
* [[FAQs_(Bora) | BORA FAQs]]
 
* [[FAQs_(Bora) | BORA FAQs]]

Revision as of 11:42, 14 December 2016

HOME SOMs SBCs ToloMEO Embedded Assistant Sale-tag.pngGET A QUOTE Customer-service.pngONLINE HELPDESK
Roadmap IoT Services ML/AI services Embedded Design Services
Info Box
Bora5-small.jpg Applies to Bora

Introduction[edit | edit source]

Belk 01.png

Bora Embedded Linux Kit (BELK for short) provides all the necessary components required to set up the developing environment for:

  • configuring the system (PS and PL) at hardware level
  • build the first-stage bootloader (FSBL)
  • building the second stage bootloader (U-Boot)
  • building and running Linux operating system on Bora-based systems
  • building Linux applications that will run on the target

DAVE Embedded Systems provides all the customization required (in particular at bootloader and Linux kernel levels) to enable customers use the standard Zynq-7000 development tools for building all the firmware/software components that will run on the target system.


Logical structure of Bora Embedded Linux Kit (BELK)[edit | edit source]

Please refer to this page.

Kit Contents[edit | edit source]

Component Description Notes
Bora5-small.jpg BORA SOM
CPU: Xilinx Zynx 7000 		Please refer to Bora Hardware Manual
Boraevb-02.png BORA Carrier board Please refer to BoraEVB page
Alimentatore.jpg AC/DC Single Output Wall Mount adapter
Output: +12V – 2.0 A 		Please refer to Belk Quick Start Guide
ProdSDC-MBLY-thumb.png MicroSDHC card with SD adapter and USB adapter Please refer to Belk Quick Start Guide

BELK software components[edit | edit source]

DAVE Embedded Systems adds to the latest Linux BSP from Xilinx the customization required to support the Bora platform, in particular at bootloader and linux kernel levels.

The following table reports the BELK releases information.

BELK version
Release number 1.0.0 1.1.0 2.0.0 2.1.0 2.2.0 3.0.0
Status Released Released Released Released Released Released
Release date July 2013 November 2013 May 2014 August 2014 September 2015 March 2016
Release notes Ver 1.0.0 Ver 1.1.0 Ver 2.0.0 Ver 2.1.0 Ver 2.2.0 Ver 3.0.0
SOM PCB version CS020313A CS020313A CS020313B CS020313B CS020313B CS020313C
Supported carrier boards BoraEVB-Lite BoraEVB-Lite BoraEVB BoraEVB BoraEVB BoraEVB
U-Boot version 2013.04-belk-1.0.0 2013.04-belk-1.1.0 2013.04-belk-2.0.0 2013.04-belk-2.1.0 2014.07-belk-2.2.0 2014.07-belk-3.0.0
Linux version 3.9.0-bora-1.0.0 3.9.0-bora-1.1.0 3.9.0-bora-2.0.0 3.9.0-bora-2.1.0 3.17.0-bora-2.2.0 3.17.0-bora-3.0.0
Drivers - - Gigabit Eth #0
UART
NOR
NAND
SD/MMC
USB Host/Device
RTC
CAN
I2C 		Gigabit Eth #0
UART
NOR
NAND
SD/MMC
USB Host/Device
RTC
CAN
I2C 		Gigabit Eth #0
UART
NOR
NAND
SD/MMC
USB Host/Device
RTC
CAN
I2C
ConfigID 		Gigabit Eth #0
UART
NOR
NAND
SD/MMC
USB Host/Device
RTC
CAN
I2C
ConfigID
Vivado version 2013.2 2013.3 2013.3 2013.3 2014.4 2014.4
Build System - - - Yocto Daisy (1.6) Yocto Daisy (1.6) Yocto Daisy (1.6)


How to update BELK[edit | edit source]

200px-Emblem-important.svg.png

It's recommended to use the latest available BELK version. Please refer to Release notes for further information.

Updating git repositories[edit | edit source]

In BELK, the following source trees are clones of DAVE Embedded Systems public git repositories:

Component GIT Remote
Vivado project git@git.dave.eu:dave/bora/bora.git
Linux git@git.dave.eu:dave/bora/linux-xlnx.git
U-Boot git@git.dave.eu:dave/bora/u-boot-xlnx.git

This means that these components can be kept in sync and up to date with DAVE Embedded Systems repositories.

RSA key generation[edit | edit source]

Please follow the procedure reported below to generate the RSA ssh key:

  • select your username (ad es. username@myhost.com)
  • start your Linux development server machine
  • start a shell session
  • make sure the ssh client components are installed
  • enter the .ssh subdirectory into your home directory: cd ~/.ssh/
  • launch the following command: 
    ssh-keygen -t rsa -C "username@myhost.com" -f username@myhost.com
  • this command creates the files ~/.ssh/username@myhost.com (private key) and ~/.ssh/username@myhost.com.pub (public key)
  • edit your ~/.ssh/config adding the following lines:
Host git.dave.eu
    User git
    Hostname git.dave.eu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/username@myhost.com

Please send the public key file to the following email support addresses:

with the request for the creation of a new public git account associated to your username. The support team will enable the account and send you a confirmation as soon as possible.

Updating the repositories from BELK 2.1.0[edit | edit source]

200px-Emblem-important.svg.png

To update the repositories from BELK 2.1.0, the following commands should be used: 

git fetch origin
git checkout -b <new_branch_name> origin/bora

Synchronizing the repositories[edit | edit source]

When the account is enabled, you can synchronize a source tree entering the repository directory and launching the git fetch command. Please note that git fetch doesn't merge the commits on the current branch. To do that, you should run the git merge command or replace the fetch-merge process with a single git pull command. Please note that the recommended method is the fetch-merge process. For further information on Git, please refer to Git Documentation.

Release notes[edit | edit source]

BELK 3.0.0[edit | edit source]

Updates:

  1. Added support for BORA Xpress SOM
  2. Updated U-Boot and Linux versions
Known Limitations[edit | edit source]
Issue Description
Yocto ubi-utils command line Some Yocto ubi-utils command line are in non standard format. For ubimkvol and ubirmvol the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
External DDR3 bank The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
ETH1 interface The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
RTC Date/time retention is limited to about 4 hours.

BELK 2.2.0[edit | edit source]

Updates:

  1. Switched to Vivado 2014.4
  2. Added “board part” for the BORA SOM, which includes all the settings of the Zynq PS for BORA, allowing users to manage projects from the Vivado GUI (and not only using the CLI).
  3. Added ConfigID
  4. Updated U-Boot and Linux versions
Known Limitations[edit | edit source]
Issue Description
Kernel command line User should remove mem=xxx from kernel command line to avoid system hang during boot. This is fixed in current u-boot default environment
Yocto ubi-utils command line Some Yocto ubi-utils command line are in non standard format. For ubimkvol and ubirmvol the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
External DDR3 bank The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
ETH1 interface The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
RTC Date/time retention is limited to about 4 hours.
u-boot default environment Default u-boot environment has a syntax error on sdboot command. This is already fixed in bora-next branch, release belk-2.2.1-rc1, available on u-boot repository.

BELK 2.1.0[edit | edit source]

Updates:

  1. Fix and performance improvement on u-boot network interface
  2. Fix SD card hotplug issue in Linux
  3. First Yocto Daisy (1.6) BSP Release
Known Limitations[edit | edit source]
Issue Description
ETH0 interface Primary Gigabit Ethernet Interface (ETH0) is not working correctly at 10Mbps
Kernel command line User should remove mem=xxx from kernel command line to avoid system hang during boot
Yocto ubi-utils command line Some Yocto ubi-utils command line are in non standard format. For ubimkvol and ubirmvol the UBI device must be the last argument (e.g. ubimkvol -m -N belk /dev/ubi0)
External DDR3 bank The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
ETH1 interface The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
RTC Date/time retention is limited to about 4 hours.

BELK 2.0.0[edit | edit source]

Updates:

  1. Added support for the BoraEVB carrier board
  2. Updated supported drivers list (please refer to BELK_software_components)
Known Limitations[edit | edit source]

The following table reports the known limitations of this BELK release:

Issue Description
External DDR3 bank The DDR3 SDRAM bank on the BoraEVB is not supported in this BELK version.
ETH1 interface The additional Gigabit Ethernet interface (ETH1) is not supported in this BELK version.
RTC Date/time retention is limited to about 4 hours.

BELK 1.1.0[edit | edit source]

Updates:

  1. Switched to Vivado 2013.3
  2. Added application note "AMP on Bora"

BELK 1.0.0[edit | edit source]

First official release

Related Documents[edit | edit source]

HOME SOMs SBCs ToloMEO Embedded Assistant Sale-tag.pngGET A QUOTE Customer-service.pngONLINE HELPDESK
Roadmap IoT Services ML/AI services Embedded Design Services
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