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| author | ravindr1 <ravindra@intel.com> | 2020-11-05 03:57:48 +0530 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-11-23 09:31:45 +0000 |
| commit | 5e3ff7b30e7313aec7144d9ffdf166e0900e7435 (patch) | |
| tree | 2ff5f8606448133bae290bf8c9b40c4a465181f9 /power | |
| parent | 4a399faf37a8c14797ea9f60e6430e678e6f8a15 (diff) | |
| download | chrome-ec-5e3ff7b30e7313aec7144d9ffdf166e0900e7435.tar.gz | |
Ectool: support reboot AP from G3 state with configurable delay.
On using Ectool command - reboot_ap_on_g3 [<delay>] && shutdown -h now,
AP must perform a reboot from G3 state to S0 state with configurable
delay in seconds on it's next corresponding shutdown cycle.
BUG=b:172885634
BRANCH=none
TEST=Run Ectool command - reboot_ap_on_g3 50 && shutdown -h now.
Change-Id: I2c5eb304d27a9647f0adc220d91de2d0b4061460
Signed-off-by: ravindr1 <ravindra@intel.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2528731
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'power')
| -rw-r--r-- | power/common.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/power/common.c b/power/common.c index 637a367854..f5091d795c 100644 --- a/power/common.c +++ b/power/common.c @@ -77,18 +77,33 @@ static int pause_in_s5; #endif static bool want_reboot_ap_at_g3;/* Want to reboot AP from G3? */ +/* Want to reboot AP from G3 with delay? */ +static uint64_t reboot_ap_at_g3_delay; static enum ec_status host_command_reboot_ap_on_g3(struct host_cmd_handler_args *args) { + const struct ec_params_reboot_ap_on_g3_v1 *cmd = args->params; + /* Store request for processing at g3 */ want_reboot_ap_at_g3 = true; + switch (args->version) { + case 0: + break; + case 1: + /* Store user specified delay to wait in G3 state */ + reboot_ap_at_g3_delay = cmd->reboot_ap_at_g3_delay; + break; + default: + return EC_RES_INVALID_PARAM; + } + return EC_RES_SUCCESS; } DECLARE_HOST_COMMAND(EC_CMD_REBOOT_AP_ON_G3, host_command_reboot_ap_on_g3, - EC_VER_MASK(0)); + EC_VER_MASK(0) | EC_VER_MASK(1)); __overridable int power_signal_get_level(enum gpio_signal signal) { @@ -419,8 +434,19 @@ static enum power_state power_common_state(enum power_state state) switch (state) { case POWER_G3: if (want_g3_exit || want_reboot_ap_at_g3) { + uint64_t i; + want_g3_exit = 0; want_reboot_ap_at_g3 = false; + reboot_ap_at_g3_delay = reboot_ap_at_g3_delay * MSEC; + /* + * G3->S0 transition should happen only after the + * user specified delay. Hence, wait until the + * user specified delay times out. + */ + for (i = 0; i < reboot_ap_at_g3_delay; i += 100) + msleep(100); + reboot_ap_at_g3_delay = 0; return POWER_G3S5; } |