Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/1aa7e23e2ba41c94d61bcd9199afb23817400f3c/board/sbc405 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/sbc405
Wolfgang Denk 24b0da3aeb board/sbc405/strataflash.c: Fix GCC 4.6 build warning 14 years ago
..
Makefile
sbc405.c
strataflash.c board/sbc405/strataflash.c: Fix GCC 4.6 build warning 14 years ago