Do you happen to know how good the Linux environment is on the Dragonwing SoC. I think their slides say Debian, but didn't mention what binary blobs one needs

Do you happen to know how good the Linux environment is on the Dragonwing SoC. I think their slides say Debian, but didn't mention what binary blobs one needs to have for enabling various functionality the SoC provides / how much their kernel deviates from mainline kernel ...