These ebuilds come from http://luke.dashjr.org/programs/gentoo-n900.
If you have some problems, go to the official site first.
bcm2048-firmware : Binary Nokia N900 bcm2048 bluetooth firmware ( http://maemo.org )
wl1251-firmware : Firmware for TI wl1251 wireless chipset ( http://www.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?templateId=6123%26navigationId=12494%26contentId=4711 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a n900
For Paludis use this rsync : rsync://gentoo.zugaina.org/n900-portage
If you have a problem : ycarus(-at-)zugaina.org