diff options
Diffstat (limited to 'board/chronicler/usbc_config.c')
| -rw-r--r-- | board/chronicler/usbc_config.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/board/chronicler/usbc_config.c b/board/chronicler/usbc_config.c deleted file mode 100644 index b378299f86..0000000000 --- a/board/chronicler/usbc_config.c +++ /dev/null @@ -1,272 +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/retimer/ps8811.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) - -/* - * 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, -}; - -/******************************************************************************/ -/* 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 */ -const struct tcpc_config_t tcpc_config[] = { - [USBC_PORT_C0] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C0, - .addr_flags = RT1715_I2C_ADDR_FLAGS, - }, - .drv = &rt1715_tcpm_drv, - }, - [USBC_PORT_C1] = { - .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, - }, -}; -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 */ -const 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 = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, - .next_mux = &usbc1_usb3_db_retimer, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT); - -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); -} - -/* - * Adjust USB3 settings to improve signal integrity. - * See b/194985848. - */ -__override void board_ps8xxx_tcpc_init(int port) -{ - int rv; - - CPRINTS("%s", __func__); - - /* TX1 EQ 19db / TX2 EQ 19db */ - rv = tcpc_addr_write(port, PS8751_I2C_ADDR1_P1_FLAGS, 0x20, 0x77); - /* RX1 EQ 12db / RX2 EQ 13db */ - rv |= tcpc_addr_write(port, PS8751_I2C_ADDR1_P1_FLAGS, 0x22, 0x32); - /* Swing level for upstream port output */ - rv |= tcpc_addr_write(port, PS8751_I2C_ADDR1_P1_FLAGS, 0xc4, 0x03); - - if (rv) - CPRINTS("%s fail!", __func__); -} - -/* Called on AP S5 -> S0 transition */ -void board_ps8811_init(void) -{ - int rv; - const int port = I2C_PORT_USB_1_MIX; - const int addr = PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1; - - CPRINTS("%s", __func__); - - /* AEQ 12db */ - rv = i2c_write8(port, addr, 0x01, 0x26); - /* ADE 2.1db */ - rv |= i2c_write8(port, addr, 0x02, 0x60); - /* BEQ 10.5db */ - rv |= i2c_write8(port, addr, 0x05, 0x16); - /* BDE 2.1db */ - rv |= i2c_write8(port, addr, 0x06, 0x63); - /* Channel A swing level */ - rv |= i2c_write8(port, addr, 0x66, 0x20); - /* Channel B swing level */ - rv |= i2c_write8(port, addr, 0xa4, 0x03); - /* PS level foe B channel */ - rv |= i2c_write8(port, addr, 0xa5, 0x83); - /* DE level foe B channel */ - rv |= i2c_write8(port, addr, 0xa6, 0x14); - - if (rv) - CPRINTS("%s fail!", __func__); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_ps8811_init, HOOK_PRIO_LAST); - -void board_reset_pd_mcu(void) -{ - /* No reset available for TCPC on port 0 */ - /* Daughterboard specific reset for port 1 */ - 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; -} |