Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/6f4dbc21e47c5c1dd191cbd2f0fb7252340e0dcb/board/raspberrypi/rpi_b 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/raspberrypi/rpi_b
Simon Glass e895a4b06f fdt: Allow ft_board_setup() to report failure 10 years ago
..
Kconfig kconfig: arm: introduce symbol for ARM CPUs 11 years ago
MAINTAINERS
Makefile
rpi_b.c fdt: Allow ft_board_setup() to report failure 10 years ago