From 85bb874c9c4cd48b9aad050a4232f5e8d6a7bbad Mon Sep 17 00:00:00 2001 From: You-Cheng Syu Date: Tue, 12 Mar 2019 13:02:18 +0800 Subject: google/chromeos: Support AP watchdog flag from Chrome EC After ChromiumOS CL:1293132 and CL:1295890, Chrome EC can store the flag telling if the last reboot was triggered by AP watchdog for some boards (e.g., Kukui). This CL adds a new function google_chromeec_get_ap_watchdog_flag(), which reads the AP watchdog flag from Chrome EC, and updates the tables of reset causes and reset flags. A new Kconfig option CHROMEOS_USE_EC_WATCHDOG_FLAG is added for elog_handle_watchdog_tombstone() to determine if watchdog reset was triggered by the AP watchdog flag from EC instead of the tombstone in AP. BUG=b:109900671,b:118654976 BRANCH=none TEST=test with https://review.coreboot.org/c/coreboot/+/31843 Change-Id: I7a970666a8c6da32ac1c6af8280e808fe7fc106d Signed-off-by: You-Cheng Syu Reviewed-on: https://review.coreboot.org/c/coreboot/+/31834 Tested-by: build bot (Jenkins) Reviewed-by: Hung-Te Lin --- src/ec/google/chromeec/ec.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/ec/google/chromeec/ec.h') diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h index d7fe7337c3..019f9c1eb0 100644 --- a/src/ec/google/chromeec/ec.h +++ b/src/ec/google/chromeec/ec.h @@ -64,6 +64,7 @@ int google_chromeec_kbbacklight(int percent); void google_chromeec_post(u8 postcode); int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len); uint8_t google_chromeec_get_switches(void); +bool google_chromeec_get_ap_watchdog_flag(void); /* Temporary secure storage commands */ int google_chromeec_vstore_supported(void); -- cgit v1.2.3