diff options
| -rw-r--r-- | board/vilboz/board.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/vilboz/board.c b/board/vilboz/board.c index 0a2a4536ea..af97c5b211 100644 --- a/board/vilboz/board.c +++ b/board/vilboz/board.c @@ -413,6 +413,25 @@ static void setup_fw_config(void) } DECLARE_HOOK(HOOK_INIT, setup_fw_config, HOOK_PRIO_INIT_I2C + 2); +static void lte_usb3_mux_init(void) +{ + /* + * the USB_C1 port might be used for the LTE modem if it is not used + * for type-C, we need to keep the superspeed mux in USB 3 position. + */ + if (ec_config_lte_present() == LTE_PRESENT) { + const struct usb_mux usb_c1 = { + .usb_port = 1 /* USBC_PORT_C1 */, + .i2c_port = I2C_PORT_USB_AP_MUX, + .i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS, + .driver = &amd_fp5_usb_mux_driver, + }; + /* steer the mux to connect the USB 3 superspeed pairs */ + usb_c1.driver->set(&usb_c1, USB_PD_MUX_USB_ENABLED); + } +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, lte_usb3_mux_init, HOOK_PRIO_DEFAULT); + static void lte_function_resume(void) { gpio_set_level(GPIO_LTE_FCPO, 1); |