diff options
Diffstat (limited to 'board/gingerbread')
| -rw-r--r-- | board/gingerbread/board.c | 43 | ||||
| -rw-r--r-- | board/gingerbread/gpio.inc | 4 |
2 files changed, 45 insertions, 2 deletions
diff --git a/board/gingerbread/board.c b/board/gingerbread/board.c index 6a2ae0c683..4c4911dbf2 100644 --- a/board/gingerbread/board.c +++ b/board/gingerbread/board.c @@ -152,6 +152,20 @@ struct ppc_config_t ppc_chips[] = { #endif #ifdef SECTION_IS_RW + +/* TUSB1064 set mux board tuning for DP Rx path */ +static int board_tusb1064_dp_rx_eq_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + int rv = EC_SUCCESS; + + /* DP specific config */ + if (mux_state & USB_PD_MUX_DP_ENABLED) + rv = tusb1064_set_dp_rx_eq(me, TUSB1064_DP_EQ_RX_8_9_DB); + + return rv; +} + /* * TCPCs: 2 USBC/PD ports * port 0 -> host port -> STM32G4 UCPD @@ -178,6 +192,7 @@ const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { .i2c_port = I2C_PORT_I2C1, .i2c_addr_flags = TUSB1064_I2C_ADDR0_FLAGS, .driver = &tusb1064_usb_mux_driver, + .board_set = &board_tusb1064_dp_rx_eq_set, }, [USB_PD_PORT_DP] = { .usb_port = USB_PD_PORT_DP, @@ -311,6 +326,34 @@ int dock_get_mf_preference(void) return mf; } +static void board_usb_tc_connect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* + * The EC needs to keep the USB hubs in reset until the host port is + * attached so that the USB-EP can be properly enumerated. + */ + if (port == USB_PD_PORT_HOST) { + gpio_set_level(GPIO_EC_HUB1_RESET_L, 1); + gpio_set_level(GPIO_EC_HUB2_RESET_L, 1); + } +} +DECLARE_HOOK(HOOK_USB_PD_CONNECT, board_usb_tc_connect, HOOK_PRIO_DEFAULT); + +static void board_usb_tc_disconnect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* Only the host port disconnect is relevant */ + if (port == USB_PD_PORT_HOST) { + gpio_set_level(GPIO_EC_HUB1_RESET_L, 0); + gpio_set_level(GPIO_EC_HUB2_RESET_L, 0); + } +} +DECLARE_HOOK(HOOK_USB_PD_DISCONNECT, board_usb_tc_disconnect, \ + HOOK_PRIO_DEFAULT); + #endif /* SECTION_IS_RW */ static void board_init(void) diff --git a/board/gingerbread/gpio.inc b/board/gingerbread/gpio.inc index 5b7b3a9619..6226ff747e 100644 --- a/board/gingerbread/gpio.inc +++ b/board/gingerbread/gpio.inc @@ -57,8 +57,8 @@ GPIO(DEBUG_GPIO1, PIN(B, 13), GPIO_OUT_LOW) * USB CDP enables. */ GPIO(USB3_A1_CDP_EN, PIN(E, 7), GPIO_OUT_LOW) GPIO(USB3_A2_CDP_EN, PIN(E, 8), GPIO_OUT_LOW) -GPIO(USB3_P3_CDP_EN, PIN(D, 1), GPIO_OUT_LOW) -GPIO(USB3_P4_CDP_EN, PIN(E, 12), GPIO_OUT_LOW) +GPIO(USB3_P3_CDP_EN, PIN(D, 1), GPIO_OUT_HIGH) +GPIO(USB3_P4_CDP_EN, PIN(E, 12), GPIO_OUT_HIGH) /* Write protect */ GPIO(EC_FLASH_WP_ODL, PIN(A, 3), GPIO_ODR_HIGH) |