Since I helped Mandriva to do their packages for Firebird, I jumped and with Michal, we made things happen
Users of Opensuse 10.0,10.1,10.3 and future 11.0 but also SLE 10 can now just use the server:database repository and get Firebird 2.0.4
As soon as the Firebird Project will publish Firebird 2.1.1, packages will be there too.
Firebird builds on both ARM and ARMEL
From this table you can see that firebird builds on both ARM and ARMEL ( ARMEL is just ARM with some hardware extras.) and here is the buildlog
If you use debian then you can download from here
Quote from linux tiny mailing list about the ARM market share
According to http://eetimes.eu/showArticle.jhtml?articleID=199702110
Arm shipped the processors in 250 million “smart phones” in 2006 (83%
market share in that niche).