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/* Copyright 2019 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 configuration */
#include "adc_chip.h"
#include "button.h"
#include "cbi_ec_fw_config.h"
#include "charger.h"
#include "charge_ramp.h"
#include "cros_board_info.h"
#include "driver/charger/isl9241.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/temp_sensor/thermistor.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "power/icelake.h"
#include "system.h"
#include "task.h"
#include "temp_sensor.h"
#ifdef CONFIG_ZEPHYR
#include "usbc_config.h"
#endif
#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_CHIPSET, format, ## args)
/******************************************************************************/
/* ADC configuration */
const struct adc_t adc_channels[] = {
[ADC_TEMP_SENSOR_1_CHARGER] = {
.name = "TEMP_CHARGER",
.input_ch = NPCX_ADC_CH0,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_2_PP3300_REGULATOR] = {
.name = "TEMP_PP3300_REGULATOR",
.input_ch = NPCX_ADC_CH1,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_3_DDR_SOC] = {
.name = "TEMP_DDR_SOC",
.input_ch = NPCX_ADC_CH8,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_4_FAN] = {
.name = "TEMP_FAN",
.input_ch = NPCX_ADC_CH3,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/******************************************************************************/
/* Wake up pins */
const enum gpio_signal hibernate_wake_pins[] = {
GPIO_LID_OPEN,
GPIO_ACOK_OD,
GPIO_POWER_BUTTON_L,
GPIO_EC_RST_ODL,
};
const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
/******************************************************************************/
/*
* PWROK signal configuration, see the PWROK Generation Flow Diagram (Figure
* 235) in the Tiger Lake Platform Design Guide for the list of potential
* signals.
*
* Volteer uses this power sequence:
* GPIO_EN_PPVAR_VCCIN - Turns on the VCCIN rail. Also used as a delay to
* the VCCST_PWRGD input to the AP so this signal must be delayed
* 5 ms to meet the tCPU00 timing requirement.
* GPIO_EC_PCH_SYS_PWROK - Asserts the SYS_PWROK input to the AP. Delayed
* a total of 50 ms after ALL_SYS_PWRGD input is asserted. See
* b/144478941 for full discussion.
*
* Volteer does not provide direct EC control for the VCCST_PWRGD and PCH_PWROK
* signals. If your board adds these signals to the EC, copy this array
* to your board.c file and modify as needed.
*/
const struct intel_x86_pwrok_signal pwrok_signal_assert_list[] = {
{
.gpio = GPIO_EN_PPVAR_VCCIN,
.delay_ms = 5,
},
{
.gpio = GPIO_EC_PCH_SYS_PWROK,
.delay_ms = 50 - 5,
},
};
const int pwrok_signal_assert_count = ARRAY_SIZE(pwrok_signal_assert_list);
const struct intel_x86_pwrok_signal pwrok_signal_deassert_list[] = {
/* No delays needed during S0 exit */
{
.gpio = GPIO_EC_PCH_SYS_PWROK,
},
/* Turn off VCCIN last */
{
.gpio = GPIO_EN_PPVAR_VCCIN,
},
};
const int pwrok_signal_deassert_count = ARRAY_SIZE(pwrok_signal_deassert_list);
/******************************************************************************/
/* Temperature sensor configuration */
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_1_CHARGER] = {.name = "Charger",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_1_CHARGER},
[TEMP_SENSOR_2_PP3300_REGULATOR] = {.name = "PP3300 Regulator",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_2_PP3300_REGULATOR},
[TEMP_SENSOR_3_DDR_SOC] = {.name = "DDR and SOC",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_3_DDR_SOC},
[TEMP_SENSOR_4_FAN] = {.name = "Fan",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = get_temp_3v3_30k9_47k_4050b,
.idx = ADC_TEMP_SENSOR_4_FAN},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/******************************************************************************/
void tcpc_alert_event(enum gpio_signal signal)
{
/* TODO: b/140572591 - check correct operation for Volteer */
int port = -1;
switch (signal) {
case GPIO_USB_C0_TCPC_INT_ODL:
port = USBC_PORT_C0;
break;
case GPIO_USB_C1_TCPC_INT_ODL:
port = USBC_PORT_C1;
break;
default:
return;
}
schedule_deferred_pd_interrupt(port);
}
void bc12_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12);
break;
case GPIO_USB_C1_BC12_INT_ODL:
task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12);
break;
default:
break;
}
}
static void baseboard_init(void)
{
/* Enable monitoring of the PROCHOT input to the EC */
gpio_enable_interrupt(GPIO_EC_PROCHOT_IN_L);
}
DECLARE_HOOK(HOOK_INIT, baseboard_init, HOOK_PRIO_DEFAULT);
static uint8_t board_id;
uint8_t get_board_id(void)
{
return board_id;
}
__overridable void board_cbi_init(void)
{
}
/*
* Read CBI from i2c eeprom and initialize variables for board variants
*
* Example for configuring for a USB3 DB:
* ectool cbi set 6 2 4 10
*/
static void cbi_init(void)
{
uint32_t cbi_val;
/* Board ID */
if (cbi_get_board_version(&cbi_val) != EC_SUCCESS ||
cbi_val > UINT8_MAX)
CPRINTS("CBI: Read Board ID failed");
else
board_id = cbi_val;
CPRINTS("Board ID: %d", board_id);
/* FW config */
init_fw_config();
/* Allow the board project to make runtime changes based on CBI data */
board_cbi_init();
}
DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_FIRST);
/**
* Return if VBUS is too low
*/
int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
{
int voltage;
if (charger_get_vbus_voltage(port, &voltage))
voltage = 0;
/*
* For legacy BC1.2 charging with CONFIG_CHARGE_RAMP_SW, ramp up input
* current until voltage drops to the minimum input voltage of the
* charger, 4.096V.
*/
return voltage < ISL9241_BC12_MIN_VOLTAGE;
}
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