876 lines
24 KiB
C
876 lines
24 KiB
C
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Poppy board-specific configuration */
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#include "adc.h"
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#include "adc_chip.h"
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#include "als.h"
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#include "bd99992gw.h"
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#include "board_config.h"
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#include "button.h"
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#include "charge_manager.h"
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#include "charge_state.h"
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#include "charge_ramp.h"
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#include "charger.h"
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#include "chipset.h"
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#include "console.h"
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#include "driver/accelgyro_bmi160.h"
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#include "driver/als_opt3001.h"
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#include "driver/baro_bmp280.h"
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#include "driver/tcpm/anx74xx.h"
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#include "driver/tcpm/ps8xxx.h"
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#include "driver/tcpm/tcpci.h"
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#include "driver/tcpm/tcpm.h"
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#include "driver/temp_sensor/bd99992gw.h"
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#include "extpower.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "i2c.h"
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#include "lid_switch.h"
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#include "math_util.h"
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#include "motion_lid.h"
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#include "motion_sense.h"
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#include "pi3usb9281.h"
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#include "power.h"
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#include "power_button.h"
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#include "spi.h"
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#include "switch.h"
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#include "system.h"
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#include "tablet_mode.h"
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#include "task.h"
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#include "temp_sensor.h"
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#include "timer.h"
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#include "uart.h"
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#include "usb_charge.h"
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#include "usb_mux.h"
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#include "usb_pd.h"
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#include "usb_pd_tcpm.h"
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#include "util.h"
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#include "espi.h"
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#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
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#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
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#define USB_PD_PORT_ANX74XX 0
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/* Minimum input current limit. */
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#define ILIM_MIN_MA 472
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static void tcpc_alert_event(enum gpio_signal signal)
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{
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if ((signal == GPIO_USB_C0_PD_INT_ODL) &&
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!gpio_get_level(GPIO_USB_C0_PD_RST_L))
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return;
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else if ((signal == GPIO_USB_C1_PD_INT_ODL) &&
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!gpio_get_level(GPIO_USB_C1_PD_RST_L))
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return;
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#ifdef HAS_TASK_PDCMD
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/* Exchange status with TCPCs */
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host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
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#endif
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}
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/* Set PD discharge whenever VBUS detection is high (i.e. below threshold). */
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static void vbus_discharge_handler(void)
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{
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if (system_get_board_version() >= 2) {
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pd_set_vbus_discharge(0,
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gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L));
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pd_set_vbus_discharge(1,
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gpio_get_level(GPIO_USB_C1_VBUS_WAKE_L));
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}
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}
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DECLARE_DEFERRED(vbus_discharge_handler);
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void vbus0_evt(enum gpio_signal signal)
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{
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/* VBUS present GPIO is inverted */
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usb_charger_vbus_change(0, !gpio_get_level(signal));
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task_wake(TASK_ID_PD_C0);
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hook_call_deferred(&vbus_discharge_handler_data, 0);
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}
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void vbus1_evt(enum gpio_signal signal)
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{
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/* VBUS present GPIO is inverted */
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usb_charger_vbus_change(1, !gpio_get_level(signal));
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task_wake(TASK_ID_PD_C1);
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hook_call_deferred(&vbus_discharge_handler_data, 0);
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}
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void usb0_evt(enum gpio_signal signal)
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{
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task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0);
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}
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void usb1_evt(enum gpio_signal signal)
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{
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task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0);
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}
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#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
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static void anx74xx_cable_det_handler(void)
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{
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int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET);
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int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L);
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/*
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* A cable_det low->high transition was detected. If following the
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* debounce time, cable_det is high, and reset_n is low, then ANX3429 is
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* currently in standby mode and needs to be woken up. Set the
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* TCPC_RESET event which will bring the ANX3429 out of standby
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* mode. Setting this event is gated on reset_n being low because the
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* ANX3429 will always set cable_det when transitioning to normal mode
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* and if in normal mode, then there is no need to trigger a tcpc reset.
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*/
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if (cable_det && !reset_n)
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task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET, 0);
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}
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DECLARE_DEFERRED(anx74xx_cable_det_handler);
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void anx74xx_cable_det_interrupt(enum gpio_signal signal)
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{
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/* debounce for 2 msec */
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hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC));
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}
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#endif
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#include "gpio_list.h"
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/* Hibernate wake configuration */
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const enum gpio_signal hibernate_wake_pins[] = {
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GPIO_AC_PRESENT,
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GPIO_POWER_BUTTON_L,
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};
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const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
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/* ADC channels */
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const struct adc_t adc_channels[] = {
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/* Base detection */
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[ADC_BASE_DET] = {"BASE_DET", NPCX_ADC_CH0,
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ADC_MAX_VOLT, ADC_READ_MAX+1, 0},
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/* Vbus sensing (10x voltage divider). */
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[ADC_VBUS] = {"VBUS", NPCX_ADC_CH2, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0},
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/*
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* Adapter current output or battery charging/discharging current (uV)
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* 18x amplification on charger side.
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*/
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[ADC_AMON_BMON] = {"AMON_BMON", NPCX_ADC_CH1, ADC_MAX_VOLT*1000/18,
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ADC_READ_MAX+1, 0},
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#ifdef BOARD_LUX
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/*
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* ISL9238 PSYS output is 1.44 uA/W over 12.4K resistor, to read
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* 0.8V @ 45 W, i.e. 56250 uW/mV. Using ADC_MAX_VOLT*56250 and
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* ADC_READ_MAX+1 as multiplier/divider leads to overflows, so we
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* only divide by 2 (enough to avoid precision issues).
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*/
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[ADC_PSYS] = {"PSYS", NPCX_ADC_CH3,
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ADC_MAX_VOLT*56250*2/(ADC_READ_MAX+1), 2, 0},
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#endif
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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/* I2C port map */
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const struct i2c_port_t i2c_ports[] = {
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{"tcpc", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA},
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{"als", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA},
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{"charger", NPCX_I2C_PORT1, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
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{"pmic", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
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{"accelgyro", NPCX_I2C_PORT3, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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/* TCPC mux configuration */
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const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.bus_type = EC_BUS_TYPE_I2C,
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.i2c_info = {
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.port = NPCX_I2C_PORT0_0,
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.addr_flags = ANX74XX_I2C_ADDR1_FLAGS,
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},
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.drv = &anx74xx_tcpm_drv,
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},
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{
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.bus_type = EC_BUS_TYPE_I2C,
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.i2c_info = {
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.port = NPCX_I2C_PORT0_0,
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.addr_flags = PS8751_I2C_ADDR1_FLAGS,
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},
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.drv = &ps8xxx_tcpm_drv,
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},
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};
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struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.driver = &anx74xx_tcpm_usb_mux_driver,
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.hpd_update = &anx74xx_tcpc_update_hpd_status,
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},
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{
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.driver = &tcpci_tcpm_usb_mux_driver,
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.hpd_update = &ps8xxx_tcpc_update_hpd_status,
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}
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};
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struct pi3usb9281_config pi3usb9281_chips[] = {
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{
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.i2c_port = I2C_PORT_USB_CHARGER_0,
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.mux_lock = NULL,
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},
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{
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.i2c_port = I2C_PORT_USB_CHARGER_1,
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.mux_lock = NULL,
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},
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};
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BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) ==
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CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT);
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/**
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* Power on (or off) a single TCPC.
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* minimum on/off delays are included.
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*
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* @param port Port number of TCPC.
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* @param mode 0: power off, 1: power on.
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*/
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void board_set_tcpc_power_mode(int port, int mode)
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{
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if (port != USB_PD_PORT_ANX74XX)
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return;
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if (mode) {
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gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1);
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msleep(ANX74XX_PWR_H_RST_H_DELAY_MS);
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gpio_set_level(GPIO_USB_C0_PD_RST_L, 1);
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} else {
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gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
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msleep(ANX74XX_RST_L_PWR_L_DELAY_MS);
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gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0);
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msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
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}
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}
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void board_reset_pd_mcu(void)
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{
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/* Assert reset */
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gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
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gpio_set_level(GPIO_USB_C1_PD_RST_L, 0);
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msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS));
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gpio_set_level(GPIO_USB_C1_PD_RST_L, 1);
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/* Disable TCPC0 (anx3429) power */
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gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0);
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msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS);
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board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1);
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}
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void board_tcpc_init(void)
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{
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int port, reg;
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/* Only reset TCPC if not sysjump */
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if (!system_jumped_to_this_image()) {
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gpio_set_level(GPIO_PP3300_USB_PD, 1);
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/* TODO(crosbug.com/p/61098): How long do we need to wait? */
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msleep(10);
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board_reset_pd_mcu();
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}
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/*
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* TODO: Remove when Poppy is updated with PS8751 A3.
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*
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* Force PS8751 A2 to wake from low power mode.
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* If PS8751 remains in low power mode after sysjump,
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* TCPM_INIT will fail due to not able to access PS8751.
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*
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* NOTE: PS8751 A3 will wake on any I2C access.
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*/
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i2c_read8(NPCX_I2C_PORT0_1, 0x08, 0xA0, ®);
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/* Enable TCPC interrupts */
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gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
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gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL);
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#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
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/* Enable CABLE_DET interrupt for ANX3429 wake from standby */
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gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET);
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#endif
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/*
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* Initialize HPD to low; after sysjump SOC needs to see
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* HPD pulse to enable video path
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*/
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for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) {
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const struct usb_mux *mux = &usb_muxes[port];
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mux->hpd_update(port, 0, 0);
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}
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}
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DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1);
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uint16_t tcpc_get_alert_status(void)
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{
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uint16_t status = 0;
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if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) {
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if (gpio_get_level(GPIO_USB_C0_PD_RST_L))
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status |= PD_STATUS_TCPC_ALERT_0;
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}
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if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) {
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if (gpio_get_level(GPIO_USB_C1_PD_RST_L))
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status |= PD_STATUS_TCPC_ALERT_1;
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}
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return status;
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}
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const struct temp_sensor_t temp_sensors[] = {
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{"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0, 4},
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/* These BD99992GW temp sensors are only readable in S0 */
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{"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
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BD99992GW_ADC_CHANNEL_SYSTHERM0, 4},
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{"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
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BD99992GW_ADC_CHANNEL_SYSTHERM1, 4},
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{"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
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BD99992GW_ADC_CHANNEL_SYSTHERM2, 4},
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{"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
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BD99992GW_ADC_CHANNEL_SYSTHERM3, 4},
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};
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BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
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/*
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* Check if PMIC fault registers indicate VR fault. If yes, print out fault
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* register info to console. Additionally, set panic reason so that the OS can
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* check for fault register info by looking at offset 0x14(PWRSTAT1) and
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* 0x15(PWRSTAT2) in cros ec panicinfo.
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*/
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static void board_report_pmic_fault(const char *str)
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{
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int vrfault, pwrstat1 = 0, pwrstat2 = 0;
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uint32_t info;
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/* RESETIRQ1 -- Bit 4: VRFAULT */
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if (i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, &vrfault)
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!= EC_SUCCESS)
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return;
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if (!(vrfault & BIT(4)))
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return;
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/* VRFAULT has occurred, print VRFAULT status bits. */
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/* PWRSTAT1 */
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i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, &pwrstat1);
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/* PWRSTAT2 */
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i2c_read8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, &pwrstat2);
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CPRINTS("PMIC VRFAULT: %s", str);
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CPRINTS("PMIC VRFAULT: PWRSTAT1=0x%02x PWRSTAT2=0x%02x", pwrstat1,
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pwrstat2);
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/* Clear all faults -- Write 1 to clear. */
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x8, BIT(4));
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x16, pwrstat1);
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x17, pwrstat2);
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/*
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* Status of the fault registers can be checked in the OS by looking at
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* offset 0x14(PWRSTAT1) and 0x15(PWRSTAT2) in cros ec panicinfo.
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*/
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info = ((pwrstat2 & 0xFF) << 8) | (pwrstat1 & 0xFF);
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panic_set_reason(PANIC_SW_PMIC_FAULT, info, 0);
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}
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static void board_pmic_disable_slp_s0_vr_decay(void)
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{
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/*
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* VCCIOCNT:
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* Bit 6 (0) - Disable decay of VCCIO on SLP_S0# assertion
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* Bits 5:4 (00) - Nominal output voltage: 0.850V
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* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
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* Bits 1:0 (10) - VR set to AUTO operating mode
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*/
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x3a);
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/*
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* V18ACNT:
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* Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion
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* Bits 5:4 (10) - Nominal voltage set to 1.8V
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* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
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* Bits 1:0 (10) - VR set to AUTO operating mode
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*/
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x34, 0x2a);
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/*
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* V100ACNT:
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* Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion
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* Bits 5:4 (01) - Nominal voltage 1.0V
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* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
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* Bits 1:0 (10) - VR set to AUTO operating mode
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*/
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x1a);
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/*
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* V085ACNT:
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* Bits 7:6 (00) - Disable low power mode on SLP_S0# assertion
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* Bits 5:4 (11) - Nominal voltage 1.0V
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* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
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* Bits 1:0 (10) - VR set to AUTO operating mode
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*/
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i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x3a);
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}
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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 (00) - 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);
|
|
|
|
/*
|
|
* V100ACNT:
|
|
* Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion
|
|
* Bits 5:4 (01) - Nominal voltage 1.0V
|
|
* 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, 0x37, 0x5a);
|
|
|
|
/*
|
|
* V085ACNT:
|
|
* Bits 7:6 (01) - Enable low power mode on SLP_S0# assertion
|
|
* Bits 5:4 (11) - Nominal voltage 1.0V
|
|
* 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, 0x7a);
|
|
}
|
|
|
|
__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)
|
|
{
|
|
board_report_pmic_fault("SYSJUMP");
|
|
|
|
if (system_jumped_to_this_image())
|
|
return;
|
|
|
|
/* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */
|
|
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x04);
|
|
|
|
board_pmic_disable_slp_s0_vr_decay();
|
|
|
|
/* VRMODECTRL - disable low-power mode for all rails */
|
|
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3b, 0x1f);
|
|
|
|
/* Disable power button shutdown timer. */
|
|
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x14, 0x00);
|
|
}
|
|
DECLARE_DEFERRED(board_pmic_init);
|
|
|
|
/* Initialize board. */
|
|
static void board_init(void)
|
|
{
|
|
/*
|
|
* This enables pull-down on F_DIO1 (SPI MISO), and F_DIO0 (SPI MOSI),
|
|
* whenever the EC is not doing SPI flash transactions. This avoids
|
|
* floating SPI buffer input (MISO), which causes power leakage (see
|
|
* b/64797021).
|
|
*/
|
|
NPCX_PUPD_EN1 |= BIT(NPCX_DEVPU1_F_SPI_PUD_EN);
|
|
|
|
/* Provide AC status to the PCH */
|
|
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
|
|
|
|
/* Enable sensors power supply */
|
|
gpio_set_level(GPIO_PP1800_DX_SENSOR, 1);
|
|
gpio_set_level(GPIO_PP3300_DX_SENSOR, 1);
|
|
|
|
/* Enable VBUS interrupt */
|
|
if (system_get_board_version() == 0) {
|
|
/*
|
|
* crosbug.com/p/61929: rev0 does not have VBUS detection,
|
|
* force detection on both ports.
|
|
*/
|
|
gpio_set_flags(GPIO_USB_C0_VBUS_WAKE_L,
|
|
GPIO_INPUT | GPIO_PULL_DOWN);
|
|
gpio_set_flags(GPIO_USB_C1_VBUS_WAKE_L,
|
|
GPIO_INPUT | GPIO_PULL_DOWN);
|
|
|
|
vbus0_evt(GPIO_USB_C0_VBUS_WAKE_L);
|
|
vbus1_evt(GPIO_USB_C1_VBUS_WAKE_L);
|
|
} else {
|
|
gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L);
|
|
gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L);
|
|
}
|
|
|
|
/* Enable pericom BC1.2 interrupts */
|
|
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
|
|
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L);
|
|
|
|
/*
|
|
* Set unused GPIO_LED_YELLO_C0[_OLD] as INPUT | PULL_UP
|
|
* for better S0ix/S3 power
|
|
*/
|
|
if (system_get_board_version() >= 5)
|
|
gpio_set_flags(GPIO_LED_YELLOW_C0_OLD,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
else
|
|
gpio_set_flags(GPIO_LED_YELLOW_C0,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
|
|
#ifdef BOARD_SORAKA
|
|
/*
|
|
* TODO(b/64503543): Add proper options(#ifdef ) for Non-LTE SKU
|
|
* Set unused LTE related pins as INPUT | PULL_UP
|
|
* for better S0ix/S3 power
|
|
*/
|
|
if (system_get_board_version() >= 4) {
|
|
gpio_set_flags(GPIO_WLAN_PE_RST,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
gpio_set_flags(GPIO_PP3300_DX_LTE,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
gpio_set_flags(GPIO_LTE_GPS_OFF_L,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
gpio_set_flags(GPIO_LTE_BODY_SAR_L,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
gpio_set_flags(GPIO_LTE_WAKE_L,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
gpio_set_flags(GPIO_LTE_OFF_ODL,
|
|
GPIO_INPUT | GPIO_PULL_UP);
|
|
}
|
|
#endif
|
|
|
|
/* Enable Gyro interrupts */
|
|
gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L);
|
|
|
|
/* Initialize PMIC */
|
|
hook_call_deferred(&board_pmic_init_data, 0);
|
|
}
|
|
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
|
|
|
|
/**
|
|
* Buffer the AC present GPIO to the PCH.
|
|
*/
|
|
static void board_extpower(void)
|
|
{
|
|
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
|
|
}
|
|
DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT);
|
|
|
|
/**
|
|
* Set active charge port -- only one port can be active at a time.
|
|
*
|
|
* @param charge_port Charge port to enable.
|
|
*
|
|
* Returns EC_SUCCESS if charge port is accepted and made active,
|
|
* EC_ERROR_* otherwise.
|
|
*/
|
|
int board_set_active_charge_port(int charge_port)
|
|
{
|
|
/* charge port is a physical port */
|
|
int is_real_port = (charge_port >= 0 &&
|
|
charge_port < CONFIG_USB_PD_PORT_COUNT);
|
|
/* check if we are source VBUS on the port */
|
|
int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN :
|
|
GPIO_USB_C1_5V_EN);
|
|
|
|
if (is_real_port && source) {
|
|
CPRINTF("Skip enable p%d", charge_port);
|
|
return EC_ERROR_INVAL;
|
|
}
|
|
|
|
CPRINTF("New chg p%d", charge_port);
|
|
|
|
if (charge_port == CHARGE_PORT_NONE) {
|
|
/* Disable both ports */
|
|
gpio_set_level(GPIO_USB_C0_CHARGE_L, 1);
|
|
gpio_set_level(GPIO_USB_C1_CHARGE_L, 1);
|
|
} else {
|
|
#ifdef BOARD_LUX
|
|
/* Disable cross-power with base, charger task will reenable. */
|
|
board_enable_base_power(0);
|
|
#endif
|
|
/* Make sure non-charging port is disabled */
|
|
gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_L :
|
|
GPIO_USB_C1_CHARGE_L, 1);
|
|
/* Enable charging port */
|
|
gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_L :
|
|
GPIO_USB_C0_CHARGE_L, 0);
|
|
}
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* Set the charge limit based upon desired maximum.
|
|
*
|
|
* @param port Port number.
|
|
* @param supplier Charge supplier type.
|
|
* @param charge_ma Desired charge limit (mA).
|
|
* @param charge_mv Negotiated charge voltage (mV).
|
|
*/
|
|
void board_set_charge_limit(int port, int supplier, int charge_ma,
|
|
int max_ma, int charge_mv)
|
|
{
|
|
/* Adjust ILIM according to measurements to eliminate overshoot. */
|
|
charge_ma = (charge_ma - 500) * 31 / 32 + 472;
|
|
/* 5V is significantly more accurate than other voltages. */
|
|
if (charge_mv > 5000)
|
|
charge_ma -= 52;
|
|
|
|
charge_set_input_current_limit(MAX(charge_ma, ILIM_MIN_MA), charge_mv);
|
|
}
|
|
|
|
void board_hibernate(void)
|
|
{
|
|
CPRINTS("Triggering PMIC shutdown.");
|
|
uart_flush_output();
|
|
|
|
/* Trigger PMIC shutdown. */
|
|
if (i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS,
|
|
0x49, 0x01)) {
|
|
/*
|
|
* If we can't tell the PMIC to shutdown, instead reset
|
|
* and don't start the AP. Hopefully we'll be able to
|
|
* communicate with the PMIC next time.
|
|
*/
|
|
CPRINTS("PMIC i2c failed.");
|
|
system_reset(SYSTEM_RESET_LEAVE_AP_OFF);
|
|
}
|
|
|
|
/* Await shutdown. */
|
|
while (1)
|
|
;
|
|
}
|
|
|
|
int board_get_version(void)
|
|
{
|
|
static int ver = -1;
|
|
uint8_t id4;
|
|
|
|
if (ver != -1)
|
|
return ver;
|
|
|
|
ver = 0;
|
|
|
|
/* First 3 strappings are binary. */
|
|
if (gpio_get_level(GPIO_BOARD_VERSION1))
|
|
ver |= 0x01;
|
|
if (gpio_get_level(GPIO_BOARD_VERSION2))
|
|
ver |= 0x02;
|
|
if (gpio_get_level(GPIO_BOARD_VERSION3))
|
|
ver |= 0x04;
|
|
|
|
/*
|
|
* 4th bit is using tristate strapping, ternary encoding:
|
|
* Hi-Z (id4=2) => 0, (id4=0) => 1, (id4=1) => 2
|
|
*/
|
|
id4 = gpio_get_ternary(GPIO_BOARD_VERSION4);
|
|
ver |= ((id4 + 1) % 3) * 0x08;
|
|
|
|
CPRINTS("Board ID = %d", ver);
|
|
|
|
return ver;
|
|
}
|
|
|
|
/* Lid Sensor mutex */
|
|
static struct mutex g_lid_mutex;
|
|
|
|
static struct bmi160_drv_data_t g_bmi160_data;
|
|
static struct opt3001_drv_data_t g_opt3001_data = {
|
|
.scale = 1,
|
|
.uscale = 0,
|
|
.offset = 0,
|
|
};
|
|
|
|
/* Matrix to rotate accelrator into standard reference frame */
|
|
const mat33_fp_t mag_standard_ref = {
|
|
{ FLOAT_TO_FP(-1), 0, 0},
|
|
{ 0, FLOAT_TO_FP(1), 0},
|
|
{ 0, 0, FLOAT_TO_FP(-1)}
|
|
};
|
|
|
|
#ifdef BOARD_SORAKA
|
|
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)}
|
|
};
|
|
|
|
/* For rev3 and older */
|
|
const mat33_fp_t lid_standard_ref_old = {
|
|
{FLOAT_TO_FP(-1), 0, 0},
|
|
{ 0, FLOAT_TO_FP(-1), 0},
|
|
{ 0, 0, FLOAT_TO_FP(1)}
|
|
};
|
|
#else
|
|
const mat33_fp_t lid_standard_ref = {
|
|
{FLOAT_TO_FP(-1), 0, 0},
|
|
{ 0, FLOAT_TO_FP(-1), 0},
|
|
{ 0, 0, FLOAT_TO_FP(1)}
|
|
};
|
|
#endif
|
|
|
|
struct motion_sensor_t motion_sensors[] = {
|
|
[LID_ACCEL] = {
|
|
.name = "Lid Accel",
|
|
.active_mask = SENSOR_ACTIVE_S0,
|
|
.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_GYRO,
|
|
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
|
|
.rot_standard_ref = &lid_standard_ref,
|
|
.default_range = 2, /* g, enough for laptop. */
|
|
.min_frequency = BMI160_ACCEL_MIN_FREQ,
|
|
.max_frequency = BMI160_ACCEL_MAX_FREQ,
|
|
.config = {
|
|
/* EC use accel for angle detection */
|
|
[SENSOR_CONFIG_EC_S0] = {
|
|
.odr = 10000 | ROUND_UP_FLAG,
|
|
.ec_rate = 100 * MSEC,
|
|
},
|
|
},
|
|
},
|
|
|
|
[LID_GYRO] = {
|
|
.name = "Lid Gyro",
|
|
.active_mask = SENSOR_ACTIVE_S0,
|
|
.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_GYRO,
|
|
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
|
|
.default_range = 1000, /* dps */
|
|
.rot_standard_ref = &lid_standard_ref,
|
|
.min_frequency = BMI160_GYRO_MIN_FREQ,
|
|
.max_frequency = BMI160_GYRO_MAX_FREQ,
|
|
},
|
|
|
|
[LID_MAG] = {
|
|
.name = "Lid Mag",
|
|
.active_mask = SENSOR_ACTIVE_S0,
|
|
.chip = MOTIONSENSE_CHIP_BMI160,
|
|
.type = MOTIONSENSE_TYPE_MAG,
|
|
.location = MOTIONSENSE_LOC_LID,
|
|
.drv = &bmi160_drv,
|
|
.mutex = &g_lid_mutex,
|
|
.drv_data = &g_bmi160_data,
|
|
.port = I2C_PORT_GYRO,
|
|
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
|
|
.default_range = BIT(11), /* 16LSB / uT, fixed */
|
|
.rot_standard_ref = &mag_standard_ref,
|
|
.min_frequency = BMM150_MAG_MIN_FREQ,
|
|
.max_frequency = BMM150_MAG_MAX_FREQ(SPECIAL),
|
|
},
|
|
[LID_ALS] = {
|
|
.name = "Light",
|
|
.active_mask = SENSOR_ACTIVE_S0,
|
|
.chip = MOTIONSENSE_CHIP_OPT3001,
|
|
.type = MOTIONSENSE_TYPE_LIGHT,
|
|
.location = MOTIONSENSE_LOC_LID,
|
|
.drv = &opt3001_drv,
|
|
.drv_data = &g_opt3001_data,
|
|
.port = I2C_PORT_ALS,
|
|
.i2c_spi_addr_flags = OPT3001_I2C_ADDR_FLAGS,
|
|
.rot_standard_ref = NULL,
|
|
.default_range = 0x10000, /* scale = 1; uscale = 0 */
|
|
.min_frequency = OPT3001_LIGHT_MIN_FREQ,
|
|
.max_frequency = OPT3001_LIGHT_MAX_FREQ,
|
|
.config = {
|
|
[SENSOR_CONFIG_EC_S0] = {
|
|
.odr = 1000,
|
|
},
|
|
},
|
|
},
|
|
};
|
|
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);
|
|
|
|
#ifdef BOARD_SORAKA
|
|
static void board_sensor_init(void)
|
|
{
|
|
/* Old soraka use a different reference matrix */
|
|
if (system_get_board_version() <= 3) {
|
|
motion_sensors[LID_ACCEL].rot_standard_ref =
|
|
&lid_standard_ref_old;
|
|
motion_sensors[LID_GYRO].rot_standard_ref =
|
|
&lid_standard_ref_old;
|
|
}
|
|
}
|
|
DECLARE_HOOK(HOOK_INIT, board_sensor_init, HOOK_PRIO_DEFAULT);
|
|
#endif
|
|
|
|
static void board_chipset_reset(void)
|
|
{
|
|
board_report_pmic_fault("CHIPSET RESET");
|
|
}
|
|
DECLARE_HOOK(HOOK_CHIPSET_RESET, board_chipset_reset, HOOK_PRIO_DEFAULT);
|
|
|
|
/* Called on AP S3 -> S0 transition */
|
|
static void board_chipset_resume(void)
|
|
{
|
|
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1);
|
|
}
|
|
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
|
|
|
|
/* Called on AP S0 -> S3 transition */
|
|
static void board_chipset_suspend(void)
|
|
{
|
|
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0);
|
|
}
|
|
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
|
|
|
|
int board_has_working_reset_flags(void)
|
|
{
|
|
int version = system_get_board_version();
|
|
|
|
/* Boards Rev1 and Rev2 will lose reset flags on power cycle. */
|
|
if ((version == 1) || (version == 2))
|
|
return 0;
|
|
|
|
/* All other board versions should have working reset flags */
|
|
return 1;
|
|
}
|