diff options
Diffstat (limited to 'baseboard/octopus/baseboard.c')
| -rw-r--r-- | baseboard/octopus/baseboard.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/baseboard/octopus/baseboard.c b/baseboard/octopus/baseboard.c index b358864d59..2c0d47489a 100644 --- a/baseboard/octopus/baseboard.c +++ b/baseboard/octopus/baseboard.c @@ -7,9 +7,11 @@ #include "charge_manager.h" #include "charge_state.h" +#include "chipset.h" #include "common.h" #include "console.h" #include "driver/bc12/bq24392.h" +#include "driver/ppc/nx20p3483.h" #include "gpio.h" #include "hooks.h" #include "keyboard_scan.h" @@ -17,6 +19,7 @@ #include "system.h" #include "task.h" #include "usb_mux.h" +#include "usb_pd.h" #include "usbc_ppc.h" #include "util.h" @@ -277,3 +280,43 @@ void board_set_charge_limit(int port, int supplier, int charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv); } + +void board_hibernate(void) +{ + int port; + + /* + * To support hibernate called from console commands, ectool commands + * and key sequence, shutdown the AP before hibernating. + */ + chipset_force_shutdown(); + +#ifdef CONFIG_USBC_PPC_NX20P3483 + /* + * If we are charging, then drop the Vbus level down to 5V to ensure + * that we don't get locked out of the 6.8V OVLO for our PPCs in + * dead-battery mode. This is needed when the TCPC/PPC rails go away. + * (b/79218851) + */ + port = charge_manager_get_active_charge_port(); + if (port != CHARGE_PORT_NONE) + pd_request_source_voltage(port, NX20P3483_SAFE_RESET_VBUS_MV); +#endif + + /* + * Delay allows AP power state machine to settle down along + * with any PD contract renegotiation. + */ + msleep(100); + + for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) { + /* + * If Vbus isn't already on this port, then open the SNK path + * to allow AC to pass through to the charger when connected. + * This is need if the TCPC/PPC rails do not go away. + * (b/79173959) + */ + if (!pd_is_vbus_present(port)) + ppc_vbus_sink_enable(port, 1); + } +} |