Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/9960d9a8bccebc8418857c15de94a7bc23049573/drivers/gpio 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/drivers/gpio
Bill Richardson 57be9172fc x86: gpio: Add additional GPIO banks to the ICH6 driver 13 years ago
..
Makefile
altera_pio.c
at91_gpio.c
bcm2835_gpio.c
da8xx_gpio.c
db8500_gpio.c
intel_ich6_gpio.c
kw_gpio.c
mpc83xx_gpio.c
mvgpio.c
mvgpio.h
mvmfp.c
mxc_gpio.c
mxs_gpio.c
omap_gpio.c
pca953x.c
pca9698.c
s3c2440_gpio.c
s5p_gpio.c
sandbox.c
sh_pfc.c
spear_gpio.c
tegra_gpio.c