[coreboot] AGP video card reset again showing only half the RAM. Why?

[Stefan Reinauer]

* Keith Hui <buurin at gmail.com> [110306 02:43]:
> Tonight I observed that on my P2B-LS board, my nvidia geforce fx5200
> AGP card with 128MB ram, after the first initialization run showing
> 128MB RAM, reset again showing only 64MB RAM. Is this as simple as a
> AGP graphics aperture problem? Or is it something more?
 
You might want to assert a reset on the AGP bridge on reboot. See
romstage.c of the Kontron 986lcd-m for more information.