Dear Timothy,
thanks again for improving the support for the ASUS KFSN4-DRE and being so responsive. It’s a great example for how to work with upstream!
You uploaded the board status output [1] with commit 8057285 [2]. Thanks!
But, it looks like a lot of information is missing from the coreboot console messages, like it was cut. Could you upload another run with the same commit or, for example, from latest master?
Does `util/cbmem/cbmem -c` show all messages? You’d need to enable CBMEM console in Kconfig for that though. (SeaBIOS is also able to write its messages to CBMEM console.)
Lastly, you put the time stamps on the Wiki page [3]. Could you please also upload those into the board status repository as people expect such information to be there? They would probably not go looking in the Wiki and in the board status repository the time stamps can be mapped to a specific commit.
10:start of ramstage 20,261 30:device enumeration 25,566 (5,304) 40:device configuration 50,219 (24,653) 50:device enable 108,559 (58,339) 60:device initialization 109,734 (1,175) 70:device setup done 1,056,523 (946,789) 75:cbmem post 1,057,578 (1,054) 80:write tables 1,058,641 (1,063) 90:load payload 1,064,180 (5,539) 99:selfboot jump 1,123,383 (59,202)
Looking at the actual time stamps below do you see from your logs why the device initialization takes almost one second? As the timings on the Wiki page [3] show, it’s not related to enabling graphics/VGA.
I guess SeaBIOS executes fairly quickly too? Do you have timing data for that as well? Or do you use COMBOOT as a payload?
Just for comparison, how long does the vendor firmware take to get to COMBOOT [4] or whatever you use?
Thanks,
Paul
[1] http://review.coreboot.org/gitweb?p=board-status.git;a=commitdiff;h=96b9b0f3... [2] http://review.coreboot.org/8270 [3] http://coreboot.org/Board:asus/kfsn4-dre [4] http://www.syslinux.org/doc/comboot.txt