-use an aligned pci config space address as everyone else -- I'm sorry
about that because I like gson's way a lot -- it keeps the address
offset due to alignment visually close to the data shift --, but since
aligned addresses are used everywhere else in definitions, this
causes confusion
-the mask applied to the data didn't make much sense, a look at the
FreeBSD code where this code originates from suggests that there
was just a mistake -- one trailing zero missing --
anyway, the datasheet tells that the error bits are all write-one-
to-clear, so just write back the value and we are done
add AGP configuration registers for i840/855PM, i840/i850E, 82443LX/BX/GX
Although there chips are well alike, but initialization and so on procedures differ.
FreeBSD, with cleanup/KNF by me.
Note: These chipsets are not well supported by the i810 driver in
NetBSD's in-tree xsrc (based on XFree86 4.2.1 at this time). However,
the driver works perfectly using bleeding-edge XFree86-current on my
Omnibook's i830MG with these agp changes.
christos