Build android kernel for dragonboard 820c

i tried to get and build android kernel code. but i can’t find it.

i found how to build android system(aosp).

but they provide only 410c kernel source.

anybody can give me an advice?

I haven’t updated it in a little while, but this should make you a good starting point; Files · mainline-5.4.42-db820c-a11 · AOSP-Automotive / dragonboard-kernel-src · GitLab

Instructions in the readme here: AOSP-Automotive / pinned manifests · GitLab