[Q] developing for d855 2gb version topic

hey guys, hope anyone can help, but im building blisspop for the d855 and it works great on the 3gb version but kernel crashes on boot on the 2gb version. does anyone have any info onto how to get the 2gb variant to boot? does it have a different kernel source? if so does anyone have a link to the github site for the 2gb variant? any help is greatly appreciated