Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/a1b231cef634d8aaa002bcb848332785803127c8/fs/cbfs 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/fs/cbfs
Gabe Black 84cd93272e fs: Add a Coreboot Filesystem (CBFS) driver and commands 13 years ago
..
Makefile
cbfs.c