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/* Copyright 2015 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.
*/
/* Oak board configuration */
#include "adc_chip.h"
#include "battery.h"
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "keyboard_raw.h"
#include "lid_switch.h"
#include "pi3usb30532.h"
#include "power.h"
#include "power_button.h"
#include "registers.h"
#include "spi.h"
#include "switch.h"
#include "task.h"
#include "timer.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH)
#define GPIO_KB_OUTPUT GPIO_ODR_HIGH
static void ap_reset_deferred(void)
{
/* Warm reset AP */
chipset_reset(0);
}
DECLARE_DEFERRED(ap_reset_deferred);
void ap_reset_interrupt(enum gpio_signal signal)
{
if (gpio_get_level(GPIO_AP_RESET_L) == 0)
hook_call_deferred(ap_reset_deferred, 0);
}
void vbus_wake_interrupt(enum gpio_signal signal)
{
CPRINTF("VBUS %d\n", !gpio_get_level(signal));
gpio_set_level(GPIO_USB_PD_VBUS_WAKE,
!gpio_get_level(GPIO_VBUS_WAKE_L));
/*
* TODO(crosbug.com/p/41226):
* rev1/rev2 boards don't have vbus input on ec. vbus_wake is a
* logical OR of two vbus status. to workaround the power status
* issue, wake up both pd tasks on vbus_wake interrupt. a proper
* hardware fix will be in rev3.
* enable TCPC POWER_STATUS ALERT1 can solve this issue too.
*/
task_wake(TASK_ID_PD_C0);
task_wake(TASK_ID_PD_C1);
}
void pd_mcu_interrupt(enum gpio_signal signal)
{
/* Exchange status with PD MCU to determin interrupt cause */
host_command_pd_send_status(0);
}
#include "gpio_list.h"
/* power signal list. Must match order of enum power_signal. */
const struct power_signal_info power_signal_list[] = {
{GPIO_SOC_POWER_GOOD, 1, "POWER_GOOD"}, /* Active high */
{GPIO_SUSPEND_L, 0, "SUSPEND#_ASSERTED"}, /* Active low */
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
/* ADC channels */
const struct adc_t adc_channels[] = {
/* VDC_BOOSTIN_SENSE(PC1): ADC_IN11, output in mV */
[ADC_VBUS] = {"VBUS", 33000, 4096, 0, STM32_AIN(11)},
/*
* PSYS_MONITOR(PA2): ADC_IN2, 1.44 uA/W on 6.05k Ohm
* output in mW
*/
[ADC_PSYS] = {"PSYS", 379415, 4096, 0, STM32_AIN(2)},
/* AMON_BMON(PC0): ADC_IN10, output in uV */
[ADC_AMON_BMON] = {"AMON_BMON", 183333, 4096, 0, STM32_AIN(10)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"battery", I2C_PORT_BATTERY, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"pd", I2C_PORT_PD_MCU, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA}
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
static int discharging_on_ac;
/**
* Discharge battery when on AC power for factory test.
*/
int board_discharge_on_ac(int enable)
{
int rv = charger_discharge_on_ac(enable);
if (rv == EC_SUCCESS)
discharging_on_ac = enable;
return rv;
}
/**
* Reset PD MCU
*/
void board_reset_pd_mcu(void)
{
gpio_set_level(GPIO_USB_PD_RST_L, 0);
usleep(100);
gpio_set_level(GPIO_USB_PD_RST_L, 1);
}
void __board_i2c_set_timeout(int port, uint32_t timeout)
{
}
void i2c_set_timeout(int port, uint32_t timeout)
__attribute__((weak, alias("__board_i2c_set_timeout")));
/* Initialize board. */
static void board_init(void)
{
/* Enable rev1 testing GPIOs */
gpio_set_level(GPIO_SYSTEM_POWER_H, 1);
/* Enable PD MCU interrupt */
gpio_enable_interrupt(GPIO_PD_MCU_INT);
/* Enable VBUS interrupt */
gpio_enable_interrupt(GPIO_VBUS_WAKE_L);
#ifdef CONFIG_AP_WARM_RESET_INTERRUPT
gpio_enable_interrupt(GPIO_AP_RESET_L);
#endif
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
#ifndef CONFIG_AP_WARM_RESET_INTERRUPT
/* Using this hook if system doesn't have enough external line. */
static void check_ap_reset_second(void)
{
/* Check the warm reset signal from servo board */
static int warm_reset, last;
warm_reset = !gpio_get_level(GPIO_AP_RESET_L);
if (last == warm_reset)
return;
if (warm_reset)
chipset_reset(0); /* Warm reset AP */
last = warm_reset;
}
DECLARE_HOOK(HOOK_SECOND, check_ap_reset_second, HOOK_PRIO_DEFAULT);
#endif
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