diff options
Diffstat (limited to 'board/volteer/usbc_config.c')
| -rw-r--r-- | board/volteer/usbc_config.c | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/board/volteer/usbc_config.c b/board/volteer/usbc_config.c deleted file mode 100644 index 0adfe98107..0000000000 --- a/board/volteer/usbc_config.c +++ /dev/null @@ -1,388 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Volteer family-specific USB-C configuration */ -#include "common.h" -#include "cbi_ec_fw_config.h" -#include "gpio.h" -#include "hooks.h" -#include "system.h" -#include "timer.h" -#include "usbc_config.h" -#include "usbc_ppc.h" -#include "usb_mux.h" -#include "driver/bc12/pi3usb9201_public.h" -#include "driver/ppc/sn5s330_public.h" -#include "driver/ppc/syv682x_public.h" -#include "driver/retimer/bb_retimer_public.h" -#include "driver/tcpm/ps8xxx_public.h" -#include "driver/tcpm/rt1715_public.h" -#include "driver/tcpm/tusb422_public.h" -#include "driver/tcpm/tcpci.h" - -#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args) - -/* USBC TCPC configuration for USB3 daughter board */ -static const struct tcpc_config_t tcpc_config_p1_usb3 = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .flags = TCPC_FLAGS_TCPCI_REV2_0 | TCPC_FLAGS_TCPCI_REV2_0_NO_VSAFE0V, - .drv = &ps8xxx_tcpm_drv, -}; - -/* - * USB3 DB mux configuration - the top level mux still needs to be set to the - * virtual_usb_mux_driver so the AP gets notified of mux changes and updates - * the TCSS configuration on state changes. - */ -static const struct usb_mux usbc1_usb3_db_retimer = { - .usb_port = USBC_PORT_C1, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - .next_mux = NULL, -}; - -static const struct usb_mux mux_config_p1_usb3_active = { - .usb_port = USBC_PORT_C1, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, - .next_mux = &usbc1_usb3_db_retimer, -}; - -static const struct usb_mux mux_config_p1_usb3_passive = { - .usb_port = USBC_PORT_C1, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, -}; - -/* - * Set up support for the USB3 daughterboard: - * Parade PS8815 TCPC (integrated retimer) - * Diodes PI3USB9201 BC 1.2 chip (same as USB4 board) - * Silergy SYV682A PPC (same as USB4 board) - * Virtual mux with stacked retimer - */ -static void config_db_usb3_active(void) -{ - tcpc_config[USBC_PORT_C1] = tcpc_config_p1_usb3; - usb_muxes[USBC_PORT_C1] = mux_config_p1_usb3_active; -} - -/* - * Set up support for the passive USB3 daughterboard: - * TUSB422 TCPC (already the default) - * PI3USB9201 BC 1.2 chip (already the default) - * Silergy SYV682A PPC (already the default) - * Virtual mux without stacked retimer - */ - -static void config_db_usb3_passive(void) -{ - usb_muxes[USBC_PORT_C1] = mux_config_p1_usb3_passive; -} - -static void config_port_discrete_tcpc(int port) -{ - /* - * Support 2 Pin-to-Pin compatible parts: TUSB422 and RT1715, for - * simplicity allow either and decide at runtime which we are using. - * Default to TUSB422, and switch to RT1715 if it is on the I2C bus and - * the VID matches. - */ - - int regval; - - if (i2c_read16(port ? I2C_PORT_USB_C1 : I2C_PORT_USB_C0, - RT1715_I2C_ADDR_FLAGS, TCPC_REG_VENDOR_ID, - ®val) == EC_SUCCESS) { - if (regval == RT1715_VENDOR_ID) { - CPRINTS("C%d: RT1715 detected", port); - tcpc_config[port].i2c_info.addr_flags = - RT1715_I2C_ADDR_FLAGS; - tcpc_config[port].drv = &rt1715_tcpm_drv; - return; - } - } - CPRINTS("C%d: Default to TUSB422", port); -} - -static const char *db_type_prefix = "USB DB type: "; -void config_usb3_db_type(void) -{ - enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type(); - - config_port_discrete_tcpc(0); - switch (usb_db) { - case DB_USB_ABSENT: - CPRINTS("%sNone", db_type_prefix); - break; - case DB_USB4_GEN2: - config_port_discrete_tcpc(1); - CPRINTS("%sUSB4 Gen1/2", db_type_prefix); - break; - case DB_USB4_GEN3: - config_port_discrete_tcpc(1); - CPRINTS("%sUSB4 Gen3", db_type_prefix); - break; - case DB_USB3_ACTIVE: - config_db_usb3_active(); - CPRINTS("%sUSB3 Active", db_type_prefix); - break; - case DB_USB3_PASSIVE: - config_db_usb3_passive(); - config_port_discrete_tcpc(1); - CPRINTS("%sUSB3 Passive", db_type_prefix); - break; - default: - CPRINTS("%sID %d not supported", db_type_prefix, usb_db); - } -} - -/******************************************************************************/ -/* USBC PPC configuration */ -struct ppc_config_t ppc_chips[] = { - [USBC_PORT_C0] = { - .i2c_port = I2C_PORT_USB_C0, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv, - }, - [USBC_PORT_C1] = { - .i2c_port = I2C_PORT_USB_C1, - .i2c_addr_flags = SYV682X_ADDR0_FLAGS, - .frs_en = GPIO_USB_C1_FRS_EN, - .drv = &syv682x_drv, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT); -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -/******************************************************************************/ -/* PPC support routines */ -void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_PPC_INT_ODL: - sn5s330_interrupt(USBC_PORT_C0); - break; - case GPIO_USB_C1_PPC_INT_ODL: - syv682x_interrupt(USBC_PORT_C1); - default: - break; - } -} - -/******************************************************************************/ -/* USBC TCPC configuration */ -struct tcpc_config_t tcpc_config[] = { - [USBC_PORT_C0] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C0, - .addr_flags = TUSB422_I2C_ADDR_FLAGS, - }, - .drv = &tusb422_tcpm_drv, - }, - [USBC_PORT_C1] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C1, - .addr_flags = TUSB422_I2C_ADDR_FLAGS, - }, - .drv = &tusb422_tcpm_drv, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT); -BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT); - -/******************************************************************************/ -/* USB-A charging control */ - -const int usb_port_enable[USB_PORT_COUNT] = { - GPIO_EN_PP5000_USBA, -}; - -/******************************************************************************/ -/* USBC mux configuration - Tiger Lake includes internal mux */ -struct usb_mux usbc1_tcss_usb_mux = { - .usb_port = USBC_PORT_C1, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, -}; - -struct usb_mux usb_muxes[] = { - [USBC_PORT_C0] = { - .usb_port = USBC_PORT_C0, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, - }, - [USBC_PORT_C1] = { - .usb_port = USBC_PORT_C1, - .driver = &bb_usb_retimer, - .hpd_update = bb_retimer_hpd_update, - .next_mux = &usbc1_tcss_usb_mux, - .i2c_port = I2C_PORT_USB_1_MIX, - .i2c_addr_flags = USBC_PORT_C1_BB_RETIMER_I2C_ADDR, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT); - -struct bb_usb_control bb_controls[] = { - [USBC_PORT_C0] = { - /* USB-C port 0 doesn't have a retimer */ - }, - [USBC_PORT_C1] = { - .usb_ls_en_gpio = GPIO_USB_C1_LS_EN, - .retimer_rst_gpio = GPIO_USB_C1_RT_RST_ODL, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(bb_controls) == USBC_PORT_COUNT); - -__override enum tbt_compat_cable_speed board_get_max_tbt_speed(int port) -{ - enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type(); - - if (port == USBC_PORT_C1) { - if (usb_db == DB_USB4_GEN2) { - /* - * Older boards violate 205mm trace length prior - * to connection to the re-timer and only support up - * to GEN2 speeds. - */ - return TBT_SS_U32_GEN1_GEN2; - } else if (usb_db == DB_USB4_GEN3) { - return TBT_SS_TBT_GEN3; - } - } - - /* - * Thunderbolt-compatible mode not supported - * - * TODO (b/147726366): All the USB-C ports need to support same speed. - * Need to fix once USB-C feature set is known for Volteer. - */ - return TBT_SS_RES_0; -} - -__override bool board_is_tbt_usb4_port(int port) -{ - enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type(); - - /* - * Volteer reference design only supports TBT & USB4 on port 1 - * if the USB4 DB is present. - * - * TODO (b/147732807): All the USB-C ports need to support same - * features. Need to fix once USB-C feature set is known for Volteer. - */ - return ((port == USBC_PORT_C1) - && ((usb_db == DB_USB4_GEN2) || (usb_db == DB_USB4_GEN3))); -} - -static void ps8815_reset(void) -{ - int val; - - gpio_set_level(GPIO_USB_C1_RT_RST_ODL, 0); - msleep(GENERIC_MAX(PS8XXX_RESET_DELAY_MS, - PS8815_PWR_H_RST_H_DELAY_MS)); - gpio_set_level(GPIO_USB_C1_RT_RST_ODL, 1); - msleep(PS8815_FW_INIT_DELAY_MS); - - /* - * b/144397088 - * ps8815 firmware 0x01 needs special configuration - */ - - CPRINTS("%s: patching ps8815 registers", __func__); - - if (i2c_read8(I2C_PORT_USB_C1, - PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, &val) == EC_SUCCESS) - CPRINTS("ps8815: reg 0x0f was %02x", val); - - if (i2c_write8(I2C_PORT_USB_C1, - PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, 0x31) == EC_SUCCESS) - CPRINTS("ps8815: reg 0x0f set to 0x31"); - - if (i2c_read8(I2C_PORT_USB_C1, - PS8751_I2C_ADDR1_P2_FLAGS, 0x0f, &val) == EC_SUCCESS) - CPRINTS("ps8815: reg 0x0f now %02x", val); -} - -void board_reset_pd_mcu(void) -{ - enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type(); - - /* No reset available for TCPC on port 0 */ - /* Daughterboard specific reset for port 1 */ - if (usb_db == DB_USB3_ACTIVE) { - ps8815_reset(); - usb_mux_hpd_update(USBC_PORT_C1, USB_PD_MUX_HPD_LVL_DEASSERTED | - USB_PD_MUX_HPD_IRQ_DEASSERTED); - } -} - -static void board_tcpc_init(void) -{ - /* Don't reset TCPCs after initial reset */ - if (!system_jumped_late()) - board_reset_pd_mcu(); - - /* Enable PPC interrupts. */ - gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL); - - /* Enable TCPC interrupts. */ - 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_C1_BC12_INT_ODL); -} -DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_CHIPSET); - -/******************************************************************************/ -/* BC1.2 charger detect configuration */ -const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { - [USBC_PORT_C0] = { - .i2c_port = I2C_PORT_USB_C0, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, - [USBC_PORT_C1] = { - .i2c_port = I2C_PORT_USB_C1, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT); - -/******************************************************************************/ -/* TCPC support routines */ -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - /* - * Check which port has the ALERT line set - */ - if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL)) - status |= PD_STATUS_TCPC_ALERT_0; - if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL)) - status |= PD_STATUS_TCPC_ALERT_1; - - return status; -} - -/******************************************************************************/ - -int ppc_get_alert_status(int port) -{ - if (port == USBC_PORT_C0) - return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0; - else - return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0; -} |