diff options
Diffstat (limited to 'board/nocturne/board.c')
| -rw-r--r-- | board/nocturne/board.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/nocturne/board.c b/board/nocturne/board.c index 0c812f71ca..180314ee7d 100644 --- a/board/nocturne/board.c +++ b/board/nocturne/board.c @@ -31,6 +31,7 @@ #include "pwm_chip.h" #include "registers.h" #include "system.h" +#include "system_chip.h" #include "switch.h" #include "task.h" #include "tcpci.h" @@ -323,6 +324,29 @@ int board_get_version(void) return board_version; } +void board_hibernate(void) +{ + int p; + + /* Configure PSL pins */ + for (p = 0; p < hibernate_wake_pins_used; p++) + system_config_psl_mode(hibernate_wake_pins[p]); + + /* + * Enter PSL mode. Note that on Nocturne, simply enabling PSL mode does + * not cut the EC's power. Therefore, we'll need to cut off power via + * the ROP PMIC afterwards. + */ + system_enter_psl_mode(); + + /* Cut off DSW power via the ROP PMIC. */ + i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x49, 0x1); + + /* Wait for power to be cut. */ + while (1) + ; +} + static void board_init(void) { /* Enable sensor interrupts. */ |