Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/f655adef65e4cf6b929054b049ee19ae9b5ccbe2/board/xm250 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/xm250
Jean-Christophe PLAGNIOL-VILLARD 3d9f3bfb7a ARM: remove useless function board_post_init 17 years ago
..
Makefile
config.mk
flash.c
lowlevel_init.S
u-boot.lds
xm250.c