Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/f5e0d03970409feb3c77ab0107d5dece6b7d45c9/board/ep88x 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/ep88x
Wolfgang Denk 84c960ce6d Add support for EmbeddedPlanet EP88x boards 19 years ago
..
Makefile Add support for EmbeddedPlanet EP88x boards 19 years ago
config.mk Add support for EmbeddedPlanet EP88x boards 19 years ago
ep88x.c Add support for EmbeddedPlanet EP88x boards 19 years ago
u-boot.lds Add support for EmbeddedPlanet EP88x boards 19 years ago