1 files changed, 25 insertions, 195 deletions

diff --git a/board/taeko/usbc_config.c b/board/taeko/usbc_config.c
index 802296a66c..993b10c99f 100644
--- a/board/taeko/usbc_config.c
+++ b/board/taeko/usbc_config.c
@@ -41,7 +41,7 @@ const struct tcpc_config_t tcpc_config[] = {
 	[USBC_PORT_C0] = {
 		.bus_type = EC_BUS_TYPE_I2C,
 		.i2c_info = {
-			.port = I2C_PORT_USB_C0_C2_TCPC,
+			.port = I2C_PORT_USB_C0_TCPC,
 			.addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
 		},
 		.drv = &nct38xx_tcpm_drv,
@@ -57,15 +57,6 @@ const struct tcpc_config_t tcpc_config[] = {
 		.flags = TCPC_FLAGS_TCPCI_REV2_0 |
 			 TCPC_FLAGS_TCPCI_REV2_0_NO_VSAFE0V,
 	},
-	[USBC_PORT_C2] = {
-		.bus_type = EC_BUS_TYPE_I2C,
-		.i2c_info = {
-			.port = I2C_PORT_USB_C0_C2_TCPC,
-			.addr_flags = NCT38XX_I2C_ADDR2_1_FLAGS,
-		},
-		.drv = &nct38xx_tcpm_drv,
-		.flags = TCPC_FLAGS_TCPCI_REV2_0,
-	},
 };
 BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT);
 BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
@@ -73,7 +64,7 @@ BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
 /* USBC PPC configuration */
 struct ppc_config_t ppc_chips[] = {
 	[USBC_PORT_C0] = {
-		.i2c_port = I2C_PORT_USB_C0_C2_PPC,
+		.i2c_port = I2C_PORT_USB_C0_PPC,
 		.i2c_addr_flags = SYV682X_ADDR0_FLAGS,
 		.drv = &syv682x_drv,
 	},
@@ -83,31 +74,12 @@ struct ppc_config_t ppc_chips[] = {
 		.i2c_addr_flags = NX20P3483_ADDR2_FLAGS,
 		.drv = &nx20p348x_drv,
 	},
-	[USBC_PORT_C2] = {
-		.i2c_port = I2C_PORT_USB_C0_C2_PPC,
-		/*
-		 * b/179987870
-		 * schematics I2C map says ADDR3
-		 */
-		.i2c_addr_flags = SYV682X_ADDR2_FLAGS,
-		.drv = &syv682x_drv,
-	},
 };
 BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT);
 
 unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
 
 /* USBC mux configuration - Alder Lake includes internal mux */
-static const struct usb_mux usbc0_tcss_usb_mux = {
-	.usb_port = USBC_PORT_C0,
-	.driver = &virtual_usb_mux_driver,
-	.hpd_update = &virtual_hpd_update,
-};
-static const struct usb_mux usbc2_tcss_usb_mux = {
-	.usb_port = USBC_PORT_C2,
-	.driver = &virtual_usb_mux_driver,
-	.hpd_update = &virtual_hpd_update,
-};
 
 /*
  * USB3 DB mux configuration - the top level mux still needs to be set
@@ -123,10 +95,8 @@ static const struct usb_mux usbc1_usb3_db_retimer = {
 const struct usb_mux usb_muxes[] = {
 	[USBC_PORT_C0] = {
 		.usb_port = USBC_PORT_C0,
-		.driver = &bb_usb_retimer,
-		.i2c_port = I2C_PORT_USB_C0_C2_MUX,
-		.i2c_addr_flags = USBC_PORT_C0_BB_RETIMER_I2C_ADDR,
-		.next_mux = &usbc0_tcss_usb_mux,
+		.driver = &virtual_usb_mux_driver,
+		.hpd_update = &virtual_hpd_update,
 	},
 	[USBC_PORT_C1] = {
 		/* PS8815 DB */
@@ -135,30 +105,19 @@ const struct usb_mux usb_muxes[] = {
 		.hpd_update = &virtual_hpd_update,
 		.next_mux = &usbc1_usb3_db_retimer,
 	},
-	[USBC_PORT_C2] = {
-		.usb_port = USBC_PORT_C2,
-		.driver = &bb_usb_retimer,
-		.i2c_port = I2C_PORT_USB_C0_C2_MUX,
-		.i2c_addr_flags = USBC_PORT_C2_BB_RETIMER_I2C_ADDR,
-		.next_mux = &usbc2_tcss_usb_mux,
-	},
 };
 BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
 
 /* BC1.2 charger detect configuration */
 const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
 	[USBC_PORT_C0] = {
-		.i2c_port = I2C_PORT_USB_C0_C2_BC12,
+		.i2c_port = I2C_PORT_USB_C0_BC12,
 		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
 	},
 	[USBC_PORT_C1] = {
 		.i2c_port = I2C_PORT_USB_C1_BC12,
 		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
 	},
-	[USBC_PORT_C2] = {
-		.i2c_port = I2C_PORT_USB_C0_C2_BC12,
-		.i2c_addr_flags = PI3USB9201_I2C_ADDR_1_FLAGS,
-	},
 };
 BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
 
@@ -173,29 +132,11 @@ BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
 
 struct ioexpander_config_t ioex_config[] = {
 	[IOEX_C0_NCT38XX] = {
-		.i2c_host_port = I2C_PORT_USB_C0_C2_TCPC,
-		.i2c_addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
-		.drv = &nct38xx_ioexpander_drv,
-		.flags = IOEX_FLAGS_DISABLED,
-	},
-	[IOEX_C2_NCT38XX] = {
-		.i2c_host_port = I2C_PORT_USB_C0_C2_TCPC,
-		.i2c_addr_flags = NCT38XX_I2C_ADDR2_1_FLAGS,
-		.drv = &nct38xx_ioexpander_drv,
-		.flags = IOEX_FLAGS_DISABLED,
-	},
-	[IOEX_ID_1_C0_NCT38XX] = {
-		.i2c_host_port = I2C_PORT_USB_C0_C2_TCPC,
+		.i2c_host_port = I2C_PORT_USB_C0_TCPC,
 		.i2c_addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS,
 		.drv = &nct38xx_ioexpander_drv,
 		.flags = IOEX_FLAGS_DISABLED,
 	},
-	[IOEX_ID_1_C2_NCT38XX] = {
-		.i2c_host_port = I2C_PORT_USB_C0_C2_TCPC,
-		.i2c_addr_flags = NCT38XX_I2C_ADDR2_1_FLAGS,
-		.drv = &nct38xx_ioexpander_drv,
-		.flags = IOEX_FLAGS_DISABLED,
-	},
 };
 BUILD_ASSERT(ARRAY_SIZE(ioex_config) == CONFIG_IO_EXPANDER_PORT_COUNT);
 
@@ -204,87 +145,20 @@ void config_usb_db_type(void)
 	enum ec_cfg_usb_db_type db_type = ec_cfg_usb_db_type();
 
 	/*
-	 * TODO(b/180434685): implement multiple DB types
+	 * TODO(b/194515356): implement multiple DB types
 	 */
 
 	CPRINTS("Configured USB DB type number is %d", db_type);
 }
 
-__override int bb_retimer_power_enable(const struct usb_mux *me, bool enable)
-{
-	enum ioex_signal rst_signal;
-
-	if (me->usb_port == USBC_PORT_C0) {
-		if (get_board_id() == 1)
-			rst_signal = IOEX_ID_1_USB_C0_RT_RST_ODL;
-		else
-			rst_signal = IOEX_USB_C0_RT_RST_ODL;
-	} else if (me->usb_port == USBC_PORT_C2) {
-		if (get_board_id() == 1)
-			rst_signal = IOEX_ID_1_USB_C2_RT_RST_ODL;
-		else
-			rst_signal = IOEX_USB_C2_RT_RST_ODL;
-	} else {
-		return EC_ERROR_INVAL;
-	}
-
-	/*
-	 * We do not have a load switch for the burnside bridge chips,
-	 * so we only need to sequence reset.
-	 */
-
-	if (enable) {
-		/*
-		 * Tpw, minimum time from VCC to RESET_N de-assertion is 100us.
-		 * For boards that don't provide a load switch control, the
-		 * retimer_init() function ensures power is up before calling
-		 * this function.
-		 */
-		ioex_set_level(rst_signal, 1);
-		/*
-		 * Allow 1ms time for the retimer to power up lc_domain
-		 * which powers I2C controller within retimer
-		 */
-		msleep(1);
-		if (get_board_id() == 1) {
-			int val;
-
-			/*
-			 * Check if we were able to deassert
-			 * reset. Board ID 1 uses a GPIO that is
-			 * uncontrollable when a debug accessory is
-			 * connected.
-			 */
-			if (ioex_get_level(rst_signal, &val) != EC_SUCCESS)
-				return EC_ERROR_UNKNOWN;
-			if (val != 1)
-				return EC_ERROR_NOT_POWERED;
-		}
-	} else {
-		ioex_set_level(rst_signal, 0);
-		msleep(1);
-	}
-	return EC_SUCCESS;
-}
-
 void board_reset_pd_mcu(void)
 {
-	enum gpio_signal tcpc_rst;
-
-	if (get_board_id() == 1)
-		tcpc_rst = GPIO_ID_1_USB_C0_C2_TCPC_RST_ODL;
-	else
-		tcpc_rst = GPIO_USB_C0_C2_TCPC_RST_ODL;
-
 	/*
-	 * TODO(b/179648104): figure out correct timing
+	 * TODO(b/194618663): figure out correct timing
 	 */
 
-	gpio_set_level(tcpc_rst, 0);
-	if (ec_cfg_usb_db_type() != DB_USB_ABSENT) {
-		gpio_set_level(GPIO_USB_C1_RST_ODL, 0);
-		gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 0);
-	}
+	gpio_set_level(GPIO_USB_C0_TCPC_RST_ODL, 0);
+	gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 0);
 
 	/*
 	 * delay for power-on to reset-off and min. assertion time
@@ -292,22 +166,15 @@ void board_reset_pd_mcu(void)
 
 	msleep(20);
 
-	gpio_set_level(tcpc_rst, 1);
-	if (ec_cfg_usb_db_type() != DB_USB_ABSENT) {
-		gpio_set_level(GPIO_USB_C1_RST_ODL, 1);
-		gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 1);
-	}
+	gpio_set_level(GPIO_USB_C0_TCPC_RST_ODL, 1);
+	gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 1);
 
 	/* wait for chips to come up */
 
 	msleep(50);
 }
 
-static void enable_ioex(int ioex)
-{
-	ioex_config[ioex].flags &= ~IOEX_FLAGS_DISABLED;
-	ioex_init(ioex);
-}
+
 
 static void board_tcpc_init(void)
 {
@@ -320,31 +187,21 @@ static void board_tcpc_init(void)
 		 * C0/C2 TCPC, so they must be set up after the TCPC has
 		 * been taken out of reset.
 		 */
-		if (get_board_id() == 1) {
-			enable_ioex(IOEX_ID_1_C0_NCT38XX);
-			enable_ioex(IOEX_ID_1_C2_NCT38XX);
-		} else {
-			enable_ioex(IOEX_C0_NCT38XX);
-			enable_ioex(IOEX_C2_NCT38XX);
-		}
+		ioex_config[0].flags &= ~IOEX_FLAGS_DISABLED;
+		ioex_init(0);
 	}
 
 	/* Enable PPC interrupts. */
 	gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL);
-	gpio_enable_interrupt(GPIO_USB_C2_PPC_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
 
 	/* Enable TCPC interrupts. */
-	gpio_enable_interrupt(GPIO_USB_C0_C2_TCPC_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
 
 	/* Enable BC1.2 interrupts. */
 	gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
-	gpio_enable_interrupt(GPIO_USB_C2_BC12_INT_ODL);
-
-	if (ec_cfg_usb_db_type() != DB_USB_ABSENT) {
-		gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
-		gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
-		gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
-	}
+	gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
 }
 DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_CHIPSET);
 
@@ -352,11 +209,10 @@ uint16_t tcpc_get_alert_status(void)
 {
 	uint16_t status = 0;
 
-	if (gpio_get_level(GPIO_USB_C0_C2_TCPC_INT_ODL) == 0)
+	if (gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL) == 0)
 		status |= PD_STATUS_TCPC_ALERT_0 | PD_STATUS_TCPC_ALERT_2;
 
-	if ((ec_cfg_usb_db_type() != DB_USB_ABSENT) &&
-	    gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL) == 0)
+	if (gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL) == 0)
 		status |= PD_STATUS_TCPC_ALERT_1;
 
 	return status;
@@ -366,23 +222,18 @@ int ppc_get_alert_status(int port)
 {
 	if (port == USBC_PORT_C0)
 		return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0;
-	else if ((port == USBC_PORT_C1) &&
-		 (ec_cfg_usb_db_type() != DB_USB_ABSENT))
+	else if (port == USBC_PORT_C1)
 		return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0;
-	else if (port == USBC_PORT_C2)
-		return gpio_get_level(GPIO_USB_C2_PPC_INT_ODL) == 0;
 	return 0;
 }
 
 void tcpc_alert_event(enum gpio_signal signal)
 {
 	switch (signal) {
-	case GPIO_USB_C0_C2_TCPC_INT_ODL:
+	case GPIO_USB_C0_TCPC_INT_ODL:
 		schedule_deferred_pd_interrupt(USBC_PORT_C0);
 		break;
 	case GPIO_USB_C1_TCPC_INT_ODL:
-		if (ec_cfg_usb_db_type() == DB_USB_ABSENT)
-			break;
 		schedule_deferred_pd_interrupt(USBC_PORT_C1);
 		break;
 	default:
@@ -397,13 +248,8 @@ void bc12_interrupt(enum gpio_signal signal)
 		task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12);
 		break;
 	case GPIO_USB_C1_BC12_INT_ODL:
-		if (ec_cfg_usb_db_type() == DB_USB_ABSENT)
-			break;
 		task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12);
 		break;
-	case GPIO_USB_C2_BC12_INT_ODL:
-		task_set_event(TASK_ID_USB_CHG_P2, USB_CHG_EVENT_BC12);
-		break;
 	default:
 		break;
 	}
@@ -416,30 +262,14 @@ void ppc_interrupt(enum gpio_signal signal)
 		syv682x_interrupt(USBC_PORT_C0);
 		break;
 	case GPIO_USB_C1_PPC_INT_ODL:
-		switch (ec_cfg_usb_db_type()) {
-		case DB_USB_ABSENT:
-		case DB_USB_ABSENT2:
-			break;
-		case DB_USB3_PS8815:
-			nx20p348x_interrupt(USBC_PORT_C1);
-			break;
-		}
-		break;
-	case GPIO_USB_C2_PPC_INT_ODL:
-		syv682x_interrupt(USBC_PORT_C2);
+		nx20p348x_interrupt(USBC_PORT_C1);
 		break;
+
 	default:
 		break;
 	}
 }
 
-void retimer_interrupt(enum gpio_signal signal)
-{
-	/*
-	 * TODO(b/179513527): add USB-C support
-	 */
-}
-
 __override bool board_is_dts_port(int port)
 {
 	return port == USBC_PORT_C0;