]> This patch enables SB700 option PrefetchEnSPIFromHost in early setup. ]> It affects only systems booting from SPI flash, not those booting from ]> LPC flash. By default, the SB700 reads dwords from the SPI flash chip. ]> Setting PrefetchEnSPIFromHost causes the SB700 to read entire cache ]> lines from the flash chip. ]> ]> Thanks, ]> Scott ]> ]> Signed-off-by: Scott Duplichan scott@notabs.org ]> ] ](Speaking with my flashrom hat on) ]Looks good to me. ] ]I think we want the same setting for SB600 if it is available there. ] ]Acked-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net ] ]Can you commit or should I do it? ] ]Regards, ]Carl-Daniel ] ]-- ]http://www.hailfinger.org/
Thanks Carl-Daniel,
I managed to do the commit. Unfortunately, SB600 does not support this option. Starting with SB800, the fast mode SPI writes can be used in addition to PrefetchEnSPIFromHost. SB900 has even more SPI improvement.
Thanks, Scott