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| author | Tim Lin <tim2.lin@ite.corp-partner.google.com> | 2021-09-03 13:59:24 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-09-03 23:26:04 +0000 |
| commit | 432e26d2ea6e0cdb7055995b31a910584e3290ac (patch) | |
| tree | ec120dd8712d047b506362875741bc33c54f8d16 | |
| parent | 9b0e4048b3e4b0d7a32925e44600697c17cdb206 (diff) | |
| download | chrome-ec-432e26d2ea6e0cdb7055995b31a910584e3290ac.tar.gz | |
system: add hibernate flag
Add hibernate flag. Before system reset, it should be distinguished as
hard reset or hibernate reset and saved in BBRAM.
BUG=none
BRANCH=none
TEST=none
Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
Change-Id: I0e06f3d1bea89ead1795cc07677e22e841643a97
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3139528
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>
| -rw-r--r-- | common/system.c | 2 | ||||
| -rw-r--r-- | include/system.h | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/common/system.c b/common/system.c index 6c1d0277e2..c8212bb422 100644 --- a/common/system.c +++ b/common/system.c @@ -246,6 +246,8 @@ void system_encode_save_flags(int flags, uint32_t *save_flags) /* Save reset flag */ if (flags & (SYSTEM_RESET_HARD | SYSTEM_RESET_WAIT_EXT)) *save_flags |= EC_RESET_FLAG_HARD; + else if (flags & SYSTEM_RESET_HIBERNATE) + *save_flags |= EC_RESET_FLAG_HIBERNATE; else *save_flags |= EC_RESET_FLAG_SOFT; } diff --git a/include/system.h b/include/system.h index 1b1e45c2a1..325d76f702 100644 --- a/include/system.h +++ b/include/system.h @@ -338,6 +338,11 @@ const char *system_get_build_info(void); * Stay in RO next reboot, instead of potentially selecting RW during EFS. */ #define SYSTEM_RESET_STAY_IN_RO BIT(6) +/* + * Hibernate reset. Reset EC when wake up from hibernate mode + * (the most power saving mode). + */ +#define SYSTEM_RESET_HIBERNATE BIT(7) /** * Reset the system. |