Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/7e6403a66d9a9c939ee8146436d7d652673b2995/board/pm520 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/pm520
Wolfgang Denk 17834a5c63 PM520: add missing enable_interrupts() 14 years ago
..
Makefile
flash.c
mt46v16m16-75.h
mt48lc16m16a2-75.h
pm520.c