Attention is currently required from: Bora Guvendik, Hannah Williams, Tarun Tuli, Jamie Ryu, Wonkyu Kim, Paul Menzel, Kapil Porwal, Jay Patel.
Hello Bora Guvendik, build bot (Jenkins), Hannah Williams, Tarun Tuli, Jamie Ryu, Subrata Banik, Wonkyu Kim, Kapil Porwal,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/73192
to look at the new patch set (#12).
Change subject: mainboard/google/rex/Kconfig: Enable EC boot timestamps for mtl-rex ......................................................................
mainboard/google/rex/Kconfig: Enable EC boot timestamps for mtl-rex
Enables feature to record pre-reset boot time using EC boot timestamps.
Additional patch required in EC to enable the feature: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4263103
In EC, it is also required to enable the feature in program config file using SYSTEM_BOOT_TIME_LOGGING flag.
BUG=b:271012752 TEST=Pre-reset boot timestamps added to the timestamp table, verified using cbmem -t
Test Data: Cold reset
116:Cold reboot triggered 0 117:Platform reset low asserted 1,003,501 990:CSME ROM started execution 4,994,005 (3,990,503) 944:CSE sent 'Boot Stall Done' to PMC 5,053,005 (59,000) 945:CSE started to handle ICC configuration 5,235,005 (182,000) 946:CSE sent 'Host BIOS Prep Done' to PMC 5,235,005 (0) 947:CSE received 'CPU Reset Done Ack sent' from PMC 5,522,005 (287,000) 91:Die Management Unit (DMU) load completed 5,594,005 (72,000) 0:1st timestamp 5,605,440 (11,435) 11:start of bootblock 5,616,777 (11,336) 12:end of bootblock 5,619,869 (3,092)
Warm reset
990:CSME ROM started execution 0 117:Platform reset low asserted 1,445 944:CSE sent 'Boot Stall Done' to PMC 35,000 (33,554) 945:CSE started to handle ICC configuration 195,000 (160,000) 946:CSE sent 'Host BIOS Prep Done' to PMC 195,000 (0) 947:CSE received 'CPU Reset Done Ack sent' from PMC 483,000 (288,000) 991:Die Management Unit (DMU) load completed 557,000 (74,000) 0:1st timestamp 565,924 (8,924) 11:start of bootblock 578,564 (12,639) 12:end of bootblock 582,973 (4,409)
Signed-off-by: Jay Patel jay2.patel@intel.com Change-Id: Id0b773fb4c7abfcb3c3ab061d970327987536fb2 --- M src/mainboard/google/rex/Kconfig 1 file changed, 51 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/92/73192/12