Dear Kevin O'Connor, In message <[email protected]> you wrote: > > > And what about all those Linux drivers in drivers/video - Would porting > > them (to U-Boot) elliminate the need for BIOS/Option ROMs > > I'm not really sure - I'd guess it will vary significantly from card > to card and driver to driver.
Indeed. > I'm pretty sure you need to run the VGA option ROM if you want the > legacy text console mode. However, some of the Linux/X11 drivers will > likely be able to get the card into graphics mode without running the > option ROM. Usually you have to run the ROM init code; on many cards this is needed for example to initialize the video RAM (well known problem, isn't it?). Guess why the code in drivers/bios_emulator is needed in U-Boot ? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] The human mind ordinarily operates at only ten percent of its capaci- ty - the rest is overhead for the operating system. -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
