diff options
| author | Akshu Agrawal <akshu.agrawal@amd.com> | 2017-09-26 11:46:16 +0530 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-09-26 13:36:16 -0700 |
| commit | ff148ae240ab2ec4971279be55282a288e5c8c6f (patch) | |
| tree | f5d6fb9f11f964ee3b4dbd8cbd0983dffb84942a /power/stoney.c | |
| parent | 0ddaa7d9ebc722c56625d0ff800e83cf5d11d67b (diff) | |
| download | chrome-ec-ff148ae240ab2ec4971279be55282a288e5c8c6f.tar.gz | |
Kahlee: Provide functionality for apshutdown
Trigger the power press for shutdown. Also, avoid powering up the AP
by checking if we are not in G3, before triggering the power press.
BUG=b:66698593
TEST=
> apshutdown
[7045.198370 chipset_force_shutdown()]
[7045.198870 PB PCH force press]
[7045.199368 PB PCH pwrbtn=LOW]
> LPC RESET# asserted[7049.218062 power state 3 = S0, in 0x000c]
[7049.218718 Pass through VGATE: 0]
[7049.219281 power state 7 = S0->S3, in 0x000c]
[7049.220647 chipset -> S3]
[7049.221108 power state 2 = S3, in 0x000c]
[7049.221763 power state 8 = S3->S5, in 0x000c]
[7049.222522 USB charge p0 m0]
[7049.223217 chipset -> S5]
[7049.223716 power state 1 = S5, in 0x000c]
[7049.224334 PB PCH force release]
[7049.224840 PB PCH pwrbtn=HIGH]
[7049.232875 SW 0x01]
[7049.240557 TCPC p1 Low Power Mode]
[7049.252249 TCPC p1 Low Power Mode]
[7049.254363 TCPC p0 Low Power Mode]
[7049.266006 TCPC p0 Low Power Mode]
[7059.225553 power state 9 = S5->G3, in 0x000c]
[7059.226188 chipset_force_shutdown()]
[7059.226717 PB PCH force press]
[7059.233871 PB PCH pwrbtn=LOW]
[7059.234381 power state 0 = G3, in 0x000c]
[7059.250255 power state 0 = G3, in 0x000f]
[7059.256533 SW 0x05]
Change-Id: Ibc27c90f806deed6a2ca7035869c4e10ca7fbf0b
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-on: https://chromium-review.googlesource.com/683956
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'power/stoney.c')
| -rw-r--r-- | power/stoney.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/power/stoney.c b/power/stoney.c index a22a2a96a1..b2726f180d 100644 --- a/power/stoney.c +++ b/power/stoney.c @@ -28,12 +28,16 @@ #define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args) static int forcing_coldreset; /* Forced coldreset in progress? */ +static int forcing_shutdown; /* Forced shutdown in progress? */ void chipset_force_shutdown(void) { CPRINTS("%s()", __func__); - /* TODO: shutdown */ + if (!chipset_in_state(CHIPSET_STATE_HARD_OFF)) { + forcing_shutdown = 1; + power_button_pch_press(); + } } void chipset_reset(int cold_reset) @@ -111,6 +115,11 @@ static void handle_pass_through(enum power_state state, enum power_state _power_handle_state(enum power_state state) { + if (state == POWER_S5 && forcing_shutdown) { + power_button_pch_release(); + forcing_shutdown = 0; + } + switch (state) { case POWER_G3: break; |