Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/ed5157e8895a6bf59a8163329639e34db0702331/nand_spl 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/nand_spl
Sughosh Ganu 6b873dcabd Changes to move hawkboard to the new spl infrastructure 13 years ago
..
board
nand_boot.c
nand_boot_fsl_elbc.c
nand_boot_fsl_ifc.c
nand_boot_fsl_nfc.c