diff options
Diffstat (limited to 'board/nocturne/board.c')
| -rw-r--r-- | board/nocturne/board.c | 810 |
1 files changed, 0 insertions, 810 deletions
diff --git a/board/nocturne/board.c b/board/nocturne/board.c deleted file mode 100644 index 5987bae025..0000000000 --- a/board/nocturne/board.c +++ /dev/null @@ -1,810 +0,0 @@ -/* Copyright 2018 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. - */ - -/* Nocturne board-specific configuration */ - -#include "adc_chip.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charge_state_v2.h" -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "compile_time_macros.h" -#include "driver/accelgyro_bmi_common.h" -#include "driver/als_opt3001.h" -#include "driver/charger/isl923x.h" -#include "driver/ppc/sn5s330.h" -#include "driver/sync.h" -#include "driver/tcpm/ps8xxx.h" -#include "driver/temp_sensor/bd99992gw.h" -#include "ec_commands.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "i2c.h" -#include "lid_switch.h" -#include "lpc.h" -#include "mkbp_event.h" -#include "motion_sense.h" -#include "power.h" -#include "power_button.h" -#include "pwm.h" -#include "pwm_chip.h" -#include "registers.h" -#include "system.h" -#include "system_chip.h" -#include "switch.h" -#include "task.h" -#include "tcpm/tcpci.h" -#include "temp_sensor.h" -#include "usb_mux.h" -#include "usb_pd_tcpm.h" -#include "usbc_ppc.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -static void tcpc_alert_event(enum gpio_signal s) -{ - int port = -1; - - switch (s) { - case GPIO_USB_C0_PD_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_PD_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -/* - * Nocturne shares the TCPC Alert# line with the TI SN5S330's interrupt line. - * Therefore, we need to also check on that part. - */ -static void usb_c_interrupt(enum gpio_signal s) -{ - int port = (s == GPIO_USB_C0_PD_INT_ODL) ? 0 : 1; - - tcpc_alert_event(s); - sn5s330_interrupt(port); -} - -static void board_connect_c0_sbu_deferred(void) -{ - /* - * If CCD_MODE_ODL asserts, it means there's a debug accessory connected - * and we should enable the SBU FETs. - */ - ppc_set_sbu(0, 1); -} -DECLARE_DEFERRED(board_connect_c0_sbu_deferred); - -static void board_connect_c0_sbu(enum gpio_signal s) -{ - hook_call_deferred(&board_connect_c0_sbu_deferred_data, 0); -} - -#include "gpio_list.h" - -const enum gpio_signal hibernate_wake_pins[] = { - GPIO_LID_OPEN, - GPIO_AC_PRESENT, - GPIO_POWER_BUTTON_L, -}; -const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); - -const struct adc_t adc_channels[] = { - [ADC_BASE_ATTACH] = { - "BASE ATTACH", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, - - [ADC_BASE_DETACH] = { - "BASE DETACH", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0 - }, -}; - -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - [PWM_CH_DB0_LED_RED] = { 3, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, - [PWM_CH_DB0_LED_GREEN] = { 0, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, - [PWM_CH_DB0_LED_BLUE] = { 2, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, - [PWM_CH_DB1_LED_RED] = { 7, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, - [PWM_CH_DB1_LED_GREEN] = { 5, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, - [PWM_CH_DB1_LED_BLUE] = { 6, PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, - 986 }, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); - -/* I2C port map */ -const struct i2c_port_t i2c_ports[] = { - { - "battery", I2C_PORT_BATTERY, 100, GPIO_EC_I2C4_BATTERY_SCL, - GPIO_EC_I2C4_BATTERY_SDA - }, - - { - "power", I2C_PORT_POWER, 100, GPIO_EC_I2C0_POWER_SCL, - GPIO_EC_I2C0_POWER_SDA - }, - - { - "als_gyro", I2C_PORT_ALS_GYRO, 400, GPIO_EC_I2C5_ALS_GYRO_SCL, - GPIO_EC_I2C5_ALS_GYRO_SDA - }, - - { - "usbc0", I2C_PORT_USB_C0, 100, GPIO_USB_C0_SCL, GPIO_USB_C0_SDA - }, - - { - "usbc1", I2C_PORT_USB_C1, 100, GPIO_USB_C1_SCL, GPIO_USB_C1_SDA - }, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - - -/* - * Motion Sense - */ - -/* Lid Sensor mutex */ -static struct mutex g_lid_mutex; - -/* Sensor driver data */ -static struct bmi_drv_data_t g_bmi160_data; -static struct opt3001_drv_data_t g_opt3001_data = { - .scale = 1, - .uscale = 0, - .offset = 0, -}; - -/* Matrix to rotate accel/gyro into standard reference frame. */ -const mat33_fp_t lid_standard_ref = { - { 0, FLOAT_TO_FP(1), 0}, - { FLOAT_TO_FP(-1), 0, 0}, - { 0, 0, FLOAT_TO_FP(1)} -}; - -struct motion_sensor_t motion_sensors[] = { - [LID_ACCEL] = { - .name = "BMI160 ACC", - .active_mask = SENSOR_ACTIVE_S0_S3, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_LID, - .drv = &bmi160_drv, - .mutex = &g_lid_mutex, - .drv_data = &g_bmi160_data, - .port = I2C_PORT_ALS_GYRO, - .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, - .rot_standard_ref = &lid_standard_ref, - .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ - .min_frequency = BMI_ACCEL_MIN_FREQ, - .max_frequency = BMI_ACCEL_MAX_FREQ, - .config = { - /* EC setup accel for chrome usage */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - }, - }, - }, - - [LID_GYRO] = { - .name = "BMI160 GYRO", - .active_mask = SENSOR_ACTIVE_S0_S3, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_GYRO, - .location = MOTIONSENSE_LOC_LID, - .drv = &bmi160_drv, - .mutex = &g_lid_mutex, - .drv_data = &g_bmi160_data, - .port = I2C_PORT_ALS_GYRO, - .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS, - .rot_standard_ref = &lid_standard_ref, - .default_range = 1000, /* dps */ - .min_frequency = BMI_GYRO_MIN_FREQ, - .max_frequency = BMI_GYRO_MAX_FREQ, - }, - - [LID_ALS] = { - .name = "Light", - .active_mask = SENSOR_ACTIVE_S0_S3, - .chip = MOTIONSENSE_CHIP_OPT3001, - .type = MOTIONSENSE_TYPE_LIGHT, - .location = MOTIONSENSE_LOC_LID, - .drv = &opt3001_drv, - .drv_data = &g_opt3001_data, - .port = I2C_PORT_ALS_GYRO, - .i2c_spi_addr_flags = OPT3001_I2C_ADDR_FLAGS, - .rot_standard_ref = NULL, - /* scale = 43.4513 http://b/111528815#comment14 */ - .default_range = 0x2b11a1, - .min_frequency = OPT3001_LIGHT_MIN_FREQ, - .max_frequency = OPT3001_LIGHT_MAX_FREQ, - .config = { - /* Run ALS sensor in S0 */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 1000, - }, - }, - }, - - [VSYNC] = { - .name = "Camera VSYNC", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_GPIO, - .type = MOTIONSENSE_TYPE_SYNC, - .location = MOTIONSENSE_LOC_CAMERA, - .drv = &sync_drv, - .default_range = 0, - .min_frequency = 0, - .max_frequency = 1, - }, -}; -const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); - -/* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */ -const struct motion_sensor_t *motion_als_sensors[] = { - &motion_sensors[LID_ALS], -}; -BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); - -static void disable_sensor_irqs(void) -{ - /* - * In S5, sensors are unpowered, therefore disable their interrupts on - * shutdown. - */ - gpio_disable_interrupt(GPIO_ACCELGYRO3_INT_L); - gpio_disable_interrupt(GPIO_RCAM_VSYNC); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, disable_sensor_irqs, HOOK_PRIO_DEFAULT); - -static void enable_sensor_irqs(void) -{ - /* - * Re-enable the sensor interrupts when entering S0. - */ - gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L); - gpio_enable_interrupt(GPIO_RCAM_VSYNC); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, enable_sensor_irqs, HOOK_PRIO_DEFAULT); - -struct ppc_config_t ppc_chips[] = { - { - .i2c_port = I2C_PORT_USB_C0, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv - }, - { - .i2c_port = I2C_PORT_USB_C1, - .i2c_addr_flags = SN5S330_ADDR0_FLAGS, - .drv = &sn5s330_drv, - }, -}; -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C0, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C1, - .addr_flags = PS8751_I2C_ADDR1_FLAGS, - }, - .drv = &ps8xxx_tcpm_drv, - }, -}; - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, - - { - .usb_port = 1, - .driver = &tcpci_tcpm_usb_mux_driver, - .hpd_update = &ps8xxx_tcpc_update_hpd_status, - }, -}; - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = ISL923X_ADDR_FLAGS, - .drv = &isl923x_drv, - }, -}; - -void board_chipset_startup(void) -{ - gpio_set_level(GPIO_EN_5V, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); - -static void imvp8_tune_deferred(void) -{ - /* For the IMVP8, reduce the steps during decay from 3 to 1. */ - if (i2c_write16(I2C_PORT_POWER, I2C_ADDR_MP2949_FLAGS, - 0xFA, 0x0AC5)) - CPRINTS("Failed to change step decay!"); -} -DECLARE_DEFERRED(imvp8_tune_deferred); - -void board_chipset_resume(void) -{ - /* Write to the IMVP8 after 250ms. */ - hook_call_deferred(&imvp8_tune_deferred_data, 250 * MSEC); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -void board_chipset_shutdown(void) -{ - gpio_set_level(GPIO_EN_5V, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -int board_get_version(void) -{ - static int board_version = -1; - - if (board_version == -1) { - board_version = 0; - /* BRD_ID0 is LSb. */ - if (gpio_get_level(GPIO_EC_BRD_ID0)) - board_version |= 0x1; - if (gpio_get_level(GPIO_EC_BRD_ID1)) - board_version |= 0x2; - if (gpio_get_level(GPIO_EC_BRD_ID2)) - board_version |= 0x4; - if (gpio_get_level(GPIO_EC_BRD_ID3)) - board_version |= 0x8; - } - - return board_version; -} - -void board_hibernate(void) -{ - int p; - - /* Configure PSL pins */ - for (p = 0; p < hibernate_wake_pins_used; p++) - system_config_psl_mode(hibernate_wake_pins[p]); - - /* - * Enter PSL mode. Note that on Nocturne, simply enabling PSL mode does - * not cut the EC's power. Therefore, we'll need to cut off power via - * the ROP PMIC afterwards. - */ - system_enter_psl_mode(); - - /* Cut off DSW power via the ROP PMIC. */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x49, 0x1); - - /* Wait for power to be cut. */ - while (1) - ; -} - -static void board_init(void) -{ - /* Enable USB Type-C interrupts. */ - gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); - - /* Enable sensor IRQs if we're in S0. */ - if (chipset_in_state(CHIPSET_STATE_ON)) - enable_sensor_irqs(); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -int board_is_i2c_port_powered(int port) -{ - if (port != I2C_PORT_ALS_GYRO) - return 1; - - /* The sensors are not powered in anything lower than S5. */ - return chipset_in_state(CHIPSET_STATE_ANY_OFF) ? 0 : 1; -} - -static void board_lid_change(void) -{ - /* This is done in hardware on old revisions. */ - if (board_get_version() <= 1) - return; - - if (lid_is_open()) - gpio_set_level(GPIO_UHALL_PWR_EN, 1); - else - gpio_set_level(GPIO_UHALL_PWR_EN, 0); -} -DECLARE_HOOK(HOOK_LID_CHANGE, board_lid_change, HOOK_PRIO_DEFAULT); - -static void board_pmic_disable_slp_s0_vr_decay(void) -{ - /* - * VCCIOCNT: - * Bit 6 (0) - Disable decay of VCCIO on SLP_S0# assertion - * Bits 5:4 (11) - Nominal output voltage: 0.850V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x3a); - - /* - * V18ACNT: - * Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion - * Bits 5:4 (10) - Nominal voltage set to 1.8V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x34, 0x2a); - - /* - * V085ACNT: - * Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion - * Bits 5:4 (10) - Nominal voltage 0.85V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x2a); -} - -static void board_pmic_enable_slp_s0_vr_decay(void) -{ - /* - * VCCIOCNT: - * Bit 6 (1) - Enable decay of VCCIO on SLP_S0# assertion - * Bits 5:4 (11) - Nominal output voltage: 0.850V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x7a); - - /* - * V18ACNT: - * Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion - * Bits 5:4 (10) - Nominal voltage set to 1.8V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x34, 0x6a); - - /* - * V085ACNT: - * Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion - * Bits 5:4 (10) - Nominal voltage 0.85V - * Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion - * Bits 1:0 (10) - VR set to AUTO operating mode - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x6a); -} - -__override void power_board_handle_host_sleep_event( - enum host_sleep_event state) -{ - if (state == HOST_SLEEP_EVENT_S0IX_SUSPEND) - board_pmic_enable_slp_s0_vr_decay(); - else if (state == HOST_SLEEP_EVENT_S0IX_RESUME) - board_pmic_disable_slp_s0_vr_decay(); -} - -static void board_pmic_init(void) -{ - int pgmask1; - - /* Mask V5A_DS3_PG from PMIC PGMASK1. */ - if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, - 0x18, &pgmask1)) - return; - pgmask1 |= BIT(2); - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x18, pgmask1); - - board_pmic_disable_slp_s0_vr_decay(); - - /* Enable active discharge (100 ohms) on V33A_PCH and V1.8A. */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3D, 0x5); - - /* Enable active discharge (500 ohms) on 1.8U and (100 ohms) 1.2U. */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3E, 0xD0); -} -DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); - -static void board_quirks(void) -{ - /* - * Newer board revisions have external pull ups stuffed, so remove the - * internal pulls. - */ - if (board_get_version() > 0) { - gpio_set_flags(GPIO_USB_C0_PD_INT_ODL, GPIO_INT_FALLING); - gpio_set_flags(GPIO_USB_C1_PD_INT_ODL, GPIO_INT_FALLING); - } - - /* - * Older boards don't have the SBU bypass circuitry needed for CCD, so - * enable the CCD_MODE_ODL interrupt such that we can help in making - * sure the SBU FETs are connected. - */ - if (board_get_version() < 2) - gpio_enable_interrupt(GPIO_CCD_MODE_ODL); -} -DECLARE_HOOK(HOOK_INIT, board_quirks, HOOK_PRIO_DEFAULT); - -void board_overcurrent_event(int port, int is_overcurrented) -{ - int lvl; - - /* Check that port number is valid. */ - if ((port < 0) || (port >= CONFIG_USB_PD_PORT_MAX_COUNT)) - return; - - /* Note that the levels are inverted because the pin is active low. */ - lvl = is_overcurrented ? 0 : 1; - - switch (port) { - case 0: - gpio_set_level(GPIO_USB_C0_OC_ODL, lvl); - break; - - case 1: - gpio_set_level(GPIO_USB_C1_OC_ODL, lvl); - break; - - default: - return; - }; -} - -static int read_gyro_sensor_temp(int idx, int *temp_ptr) -{ - /* - * The gyro is only powered in S0, so don't go and read it if the AP is - * off. - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - return EC_ERROR_NOT_POWERED; - - return bmi160_get_sensor_temp(idx, temp_ptr); -} - -const struct temp_sensor_t temp_sensors[] = { - {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0}, - - /* These BD99992GW temp sensors are only readable in S0 */ - {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM0}, - {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM1}, - {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM2}, - {"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM3}, - /* The Gyro temperature sensor is only readable in S0. */ - {"Gyro", TEMP_SENSOR_TYPE_BOARD, read_gyro_sensor_temp, LID_GYRO} -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -/* - * Thermal limits for each temp sensor. All temps are in degrees K. Must be in - * same order as enum temp_sensor_id. To always ignore any temp, use 0. - */ -struct ec_thermal_config thermal_params[] = { - /* {Twarn, Thigh, Thalt}, fan_off, fan_max */ - {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Battery */ - {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Ambient */ - {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Charger */ - {{0, C_TO_K(52), 0}, {0, 0, 0}, 0, 0}, /* DRAM */ - {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* eMMC */ - {{0, 0, 0}, {0, 0, 0}, 0, 0} /* Gyro */ -}; -BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); - - -/* - * Check if PMIC fault registers indicate VR fault. If yes, print out fault - * register info to console. Additionally, set panic reason so that the OS can - * check for fault register info by looking at offset 0x14(PWRSTAT1) and - * 0x15(PWRSTAT2) in cros ec panicinfo. - */ -static void board_report_pmic_fault(const char *str) -{ - int vrfault, pwrstat1 = 0, pwrstat2 = 0; - uint32_t info; - - /* RESETIRQ1 -- Bit 4: VRFAULT */ - if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, &vrfault) - != EC_SUCCESS) - return; - - if (!(vrfault & BIT(4))) - return; - - /* VRFAULT has occurred, print VRFAULT status bits. */ - - /* PWRSTAT1 */ - i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, &pwrstat1); - - /* PWRSTAT2 */ - i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, &pwrstat2); - - CPRINTS("PMIC VRFAULT: %s", str); - CPRINTS("PMIC VRFAULT: PWRSTAT1=0x%02x PWRSTAT2=0x%02x", pwrstat1, - pwrstat2); - - /* Clear all faults -- Write 1 to clear. */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, BIT(4)); - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, pwrstat1); - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, pwrstat2); - - /* - * Status of the fault registers can be checked in the OS by looking at - * offset 0x14(PWRSTAT1) and 0x15(PWRSTAT2) in cros ec panicinfo. - */ - info = ((pwrstat2 & 0xFF) << 8) | (pwrstat1 & 0xFF); - panic_set_reason(PANIC_SW_PMIC_FAULT, info, 0); -} - -void board_reset_pd_mcu(void) -{ - cprints(CC_USB, "Resetting TCPCs..."); - cflush(); - /* GPIO_USB_PD_RST_L resets all the TCPCs. */ - gpio_set_level(GPIO_USB_PD_RST_L, 0); - msleep(10); /* TODO(aaboagye): Verify min hold time. */ - gpio_set_level(GPIO_USB_PD_RST_L, 1); - msleep(PS8805_FW_INIT_DELAY_MS); -} - -void board_set_tcpc_power_mode(int port, int mode) -{ - /* Ignore the "mode" to turn the chip on. We can only do a reset. */ - if (mode) - return; - - board_reset_pd_mcu(); -} - -int board_set_active_charge_port(int port) -{ - int is_real_port = (port >= 0 && - port < CONFIG_USB_PD_PORT_MAX_COUNT); - int i; - int rv; - int old_port; - - if (!is_real_port && port != CHARGE_PORT_NONE) - return EC_ERROR_INVAL; - - old_port = charge_manager_get_active_charge_port(); - - CPRINTS("New chg p%d", port); - - if (port == CHARGE_PORT_NONE) { - /* Disable all ports. */ - for (i = 0; i < ppc_cnt; i++) { - rv = ppc_vbus_sink_enable(i, 0); - /* - * Deliberately ignoring this error since it may cause - * an assertion error. - */ - if (rv) - CPRINTS("Disabling p%d sink path failed.", i); - } - - return EC_SUCCESS; - } - - /* Check if the port is sourcing VBUS. */ - if (ppc_is_sourcing_vbus(port)) { - CPRINTF("Skip enable p%d", port); - return EC_ERROR_INVAL; - } - - /* - * Turn off the other ports' sink path FETs, before enabling the - * requested charge port. - */ - for (i = 0; i < ppc_cnt; i++) { - if (i == port) - continue; - - if (ppc_vbus_sink_enable(i, 0)) - CPRINTS("p%d: sink path disable failed.", i); - } - - /* - * Stop the charger IC from switching while changing ports. Otherwise, - * we can overcurrent the adapter we're switching to. (crbug.com/926056) - */ - if (old_port != CHARGE_PORT_NONE) - charger_discharge_on_ac(1); - - /* Enable requested charge port. */ - if (ppc_vbus_sink_enable(port, 1)) { - CPRINTS("p%d: sink path enable failed.", port); - charger_discharge_on_ac(0); - return EC_ERROR_UNKNOWN; - } - - /* Allow the charger IC to begin/continue switching. */ - charger_discharge_on_ac(0); - - return EC_SUCCESS; -} - -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - int icl = MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT); - - /* - * Nocturne seems to overdraw its set input current limit by about 5%. - * Request at most 95% of what's desired. - */ - icl = icl * 95 / 100; - charge_set_input_current_limit(icl, charge_mv); -} - -static void board_chipset_reset(void) -{ - board_report_pmic_fault("CHIPSET RESET"); -} -DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT); - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - int regval; - - /* - * The interrupt line is shared between the TCPC and PPC. Therefore, go - * out and actually read the alert registers to report the alert status. - */ - if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) { - if (!tcpc_read16(0, TCPC_REG_ALERT, ®val)) { - /* The TCPCI spec says to ignore bits 14:12. */ - regval &= ~(BIT(14) | BIT(13) | BIT(12)); - - if (regval) - status |= PD_STATUS_TCPC_ALERT_0; - } - } - - if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) { - if (!tcpc_read16(1, TCPC_REG_ALERT, ®val)) { - /* TCPCI spec says to ignore bits 14:12. */ - regval &= ~(BIT(14) | BIT(13) | BIT(12)); - - if (regval) - status |= PD_STATUS_TCPC_ALERT_1; - } - } - - return status; -} |