diff options
Diffstat (limited to 'src/vendorcode')
| -rw-r--r-- | src/vendorcode/google/chromeos/Kconfig | 6 | ||||
| -rw-r--r-- | src/vendorcode/google/chromeos/watchdog.c | 17 |
2 files changed, 18 insertions, 5 deletions
diff --git a/src/vendorcode/google/chromeos/Kconfig b/src/vendorcode/google/chromeos/Kconfig index 26ee31edc7..2ff7ec70b8 100644 --- a/src/vendorcode/google/chromeos/Kconfig +++ b/src/vendorcode/google/chromeos/Kconfig @@ -89,5 +89,11 @@ config CHROMEOS_DISABLE_PLATFORM_HIERARCHY_ON_RESUME on normal boot as well as resume and coreboot is only involved in the resume piece w.r.t. the platform hierarchy. +config CHROMEOS_USE_EC_WATCHDOG_FLAG + bool + default n + help + Use the AP watchdog flag stored in EC. + endif # CHROMEOS endmenu diff --git a/src/vendorcode/google/chromeos/watchdog.c b/src/vendorcode/google/chromeos/watchdog.c index 4557251ef6..2b2959f016 100644 --- a/src/vendorcode/google/chromeos/watchdog.c +++ b/src/vendorcode/google/chromeos/watchdog.c @@ -17,6 +17,7 @@ #include <assert.h> #include <bootstate.h> #include <console/console.h> +#include <ec/google/chromeec/ec.h> #include <elog.h> #include <reset.h> #include <symbols.h> @@ -30,13 +31,19 @@ DECLARE_OPTIONAL_REGION(watchdog_tombstone); static void elog_handle_watchdog_tombstone(void *unused) { - if (!REGION_SIZE(watchdog_tombstone)) - return; + bool flag = false; - if (read32(_watchdog_tombstone) == WATCHDOG_TOMBSTONE_MAGIC) - elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED); + if (CONFIG(CHROMEOS_USE_EC_WATCHDOG_FLAG)) + flag |= google_chromeec_get_ap_watchdog_flag(); + + if (REGION_SIZE(watchdog_tombstone)) { + flag |= (read32(_watchdog_tombstone) == + WATCHDOG_TOMBSTONE_MAGIC); + write32(_watchdog_tombstone, 0); + } - write32(_watchdog_tombstone, 0); + if (flag) + elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED); } BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, |