On 05.05.2009 19:36, ron minnich wrote: > Isn't this somewhat mythical anyway? how many flash chips support > 'erase byte' at this point (I honestly don't know!). I.e., isn't an > update of any one byte in a block going to wipe out a whole block? How > many cbfs files fit on neat 64k or 16k or whatever boundaries? >
Intel specifies that each flash chip location (byte) must be writable at least twice after each erase, so you can update a previously written byte once (well, set some more bits to 0) without erasing. Regards, Carl-Daniel -- http://www.hailfinger.org/ -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
