Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/93bfd6167713a5cc1a78bcf60fa63f990fd3f4b3/drivers/mtd 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/mtd
Marek Vasut bf64035a15 mtd: spi: Fix page size for S25FL032P,S25FL064P 11 years ago
..
nand
onenand
spi
ubi
Makefile
at45.c
cfi_flash.c
cfi_mtd.c
dataflash.c
ftsmc020.c
jedec_flash.c
mtdconcat.c
mtdcore.c
mtdpart.c
mw_eeprom.c
st_smi.c