diff options
| -rw-r--r-- | board/reef/board.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/board/reef/board.c b/board/reef/board.c index 87bc929d60..d75f1bca91 100644 --- a/board/reef/board.c +++ b/board/reef/board.c @@ -303,12 +303,23 @@ void board_print_tcpc_fw_version(int port) void board_tcpc_init(void) { - int port; + int port, reg; /* Only reset TCPC if not sysjump */ if (!system_jumped_to_this_image()) board_reset_pd_mcu(); + /* + * TODO: Remove when Reef is updated with PS8751 A3. + * + * Force PS8751 A2 to wake from low power mode. + * If PS8751 remains in low power mode after sysjump, + * TCPM_INIT will fail due to not able to access PS8751. + * + * NOTE: PS8751 A3 will wake on any I2C access. + */ + i2c_read8(NPCX_I2C_PORT0_1, 0x10, 0xA0, ®); + /* Enable TCPC0 interrupt */ gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); |