Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/81df2bab46d3bed319e21571c68db8e0a048bbfd/board/atmel You should set ROOT_URL correctly, otherwise the web may not work correctly.
upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
 
 
 
 
 
 
u-boot/board/atmel
Bo Shen 8495faf525 ARM: atmel: add at91sam9g20ek_2mmc nand boot support 12 years ago
..
at91rm9200ek
at91sam9m10g45ek
at91sam9rlek
at91sam9x5ek at91sam9x5: enable USB support for 9x5ek board. 13 years ago
at91sam9260ek ARM: atmel: add at91sam9g20ek_2mmc nand boot support 12 years ago
at91sam9261ek
at91sam9263ek
atngw100
atngw100mkii
atstk1000