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/* Copyright (c) 2013 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.
*/
/* Pit board-specific configuration */
#include "common.h"
#include "gaia_power.h"
#include "gpio.h"
#include "i2c.h"
#include "keyboard_raw.h"
#include "pmu_tpschrome.h"
#include "registers.h"
#include "spi.h"
#include "task.h"
#include "util.h"
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH)
#define GPIO_KB_OUTPUT GPIO_HI_Z
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[GPIO_COUNT] = {
/* Inputs with interrupt handlers are first for efficiency */
{"KB_PWR_ON_L", GPIO_B, (1<<5), GPIO_INT_BOTH, gaia_power_event},
{"PP1800_LDO2", GPIO_A, (1<<1), GPIO_INT_BOTH, gaia_power_event},
{"XPSHOLD", GPIO_A, (1<<3), GPIO_INT_RISING, gaia_power_event},
{"CHARGER_INT", GPIO_C, (1<<6), GPIO_INT_RISING, pmu_irq_handler},
{"LID_OPEN", GPIO_C, (1<<13), GPIO_INT_RISING, gaia_lid_event},
{"SUSPEND_L", GPIO_C, (1<<7), GPIO_INT_BOTH, gaia_suspend_event},
{"KB_IN00", GPIO_C, (1<<8), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN01", GPIO_C, (1<<9), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN02", GPIO_C, (1<<10), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN03", GPIO_C, (1<<11), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN04", GPIO_C, (1<<12), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN05", GPIO_C, (1<<14), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN06", GPIO_C, (1<<15), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN07", GPIO_D, (1<<2), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
/* Other inputs */
{"AC_PWRBTN_L", GPIO_A, (1<<0), GPIO_INT_BOTH, NULL},
{"WP_L", GPIO_B, (1<<4), GPIO_INPUT, NULL},
/* Outputs */
{"AC_STATUS", GPIO_A, (1<<5), GPIO_OUT_HIGH, NULL},
{"AP_RESET_L", GPIO_B, (1<<3), GPIO_HI_Z, NULL},
{"CHARGER_EN", GPIO_B, (1<<2), GPIO_OUT_LOW, NULL},
{"EC_INT", GPIO_B, (1<<9), GPIO_HI_Z, NULL},
{"EN_PP1350", GPIO_H, (1<<1), GPIO_OUT_LOW, NULL},
{"EN_PP3300", GPIO_A, (1<<8), GPIO_OUT_LOW, NULL},
{"EN_PP5000", GPIO_A, (1<<11), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", GPIO_H, (1<<0), GPIO_OUT_LOW, NULL},
/*
* I2C pins should be configured as inputs until I2C module is
* initialized. This will avoid driving the lines unintentionally.
*/
{"I2C1_SCL", GPIO_B, (1<<6), GPIO_INPUT, NULL},
{"I2C1_SDA", GPIO_B, (1<<7), GPIO_INPUT, NULL},
{"I2C2_SCL", GPIO_B, (1<<10), GPIO_INPUT, NULL},
{"I2C2_SDA", GPIO_B, (1<<11), GPIO_INPUT, NULL},
{"LED_POWER_L", GPIO_A, (1<<2), GPIO_OUT_HIGH, NULL},
{"PMIC_PWRON_L",GPIO_A, (1<<12), GPIO_OUT_HIGH, NULL},
{"PMIC_RESET", GPIO_A, (1<<15), GPIO_OUT_LOW, NULL},
#ifndef CONFIG_SPI
{"SPI1_MISO", GPIO_A, (1<<6), GPIO_OUT_HIGH, NULL},
{"SPI1_NSS", GPIO_A, (1<<4), GPIO_PULL_UP, NULL},
#endif
{"KB_OUT00", GPIO_B, (1<<0), GPIO_KB_OUTPUT, NULL},
{"KB_OUT01", GPIO_B, (1<<8), GPIO_KB_OUTPUT, NULL},
{"KB_OUT02", GPIO_B, (1<<12), GPIO_KB_OUTPUT, NULL},
{"KB_OUT03", GPIO_B, (1<<13), GPIO_KB_OUTPUT, NULL},
{"KB_OUT04", GPIO_B, (1<<14), GPIO_KB_OUTPUT, NULL},
{"KB_OUT05", GPIO_B, (1<<15), GPIO_KB_OUTPUT, NULL},
{"KB_OUT06", GPIO_C, (1<<0), GPIO_KB_OUTPUT, NULL},
{"KB_OUT07", GPIO_C, (1<<1), GPIO_KB_OUTPUT, NULL},
{"KB_OUT08", GPIO_C, (1<<2), GPIO_KB_OUTPUT, NULL},
{"KB_OUT09", GPIO_B, (1<<1), GPIO_KB_OUTPUT, NULL},
{"KB_OUT10", GPIO_C, (1<<5), GPIO_KB_OUTPUT, NULL},
{"KB_OUT11", GPIO_C, (1<<4), GPIO_KB_OUTPUT, NULL},
{"KB_OUT12", GPIO_A, (1<<13), GPIO_KB_OUTPUT, NULL},
};
void board_config_post_gpio_init(void)
{
/* I2C SCL/SDA on PB10-11 and PB6-7 */
gpio_set_alternate_function(GPIO_B,
(1 << 11) | (1 << 10) | (1 << 7) | (1 << 6),
GPIO_ALT_I2C);
/* USART1 on pins PA9/PA10 */
gpio_set_alternate_function(GPIO_A, (1 << 9) | (1 << 10),
GPIO_ALT_USART);
/* TIM2_CH2 on PB3 */
gpio_set_alternate_function(GPIO_B, (1 << 3), GPIO_ALT_TIM2);
#ifdef CONFIG_SPI
/* SPI1 on pins PA4-7 (alt. function push-pull, 10MHz) */
val = STM32_GPIO_CRL(GPIO_A) & ~0xffff0000;
val |= 0x99990000;
STM32_GPIO_CRL(GPIO_A) = val;
gpio_set_flags(GPIO_SPI1_NSS, GPIO_INT_BOTH);
#endif
}
#ifdef CONFIG_PMU_BOARD_INIT
int pmu_board_init(void)
{
int ver, failure = 0;
/* Set fast charging timeout to 6 hours*/
if (!failure)
failure = pmu_set_fastcharge(TIMEOUT_6HRS);
/* Enable external gpio CHARGER_EN control */
if (!failure)
failure = pmu_enable_ext_control(1);
/* Disable force charging */
if (!failure)
failure = pmu_enable_charger(0);
/* Set NOITERM bit */
if (!failure)
failure = pmu_low_current_charging(1);
/*
* High temperature charging
* termination voltage: 2.1V
* termination current: 100%
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T34, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T34, TERM_I1000);
/*
* Standard temperature charging
* termination voltage: 2.1V
* termination current: 100%
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T23, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T23, TERM_I1000);
/*
* Ignore TPSCHROME NTC reading in T40. This is snow board specific
* setting. Check:
* http://crosbug.com/p/12221
* http://crosbug.com/p/13171
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T40, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T40, TERM_I1000);
/* Workaround init values before ES3 */
if (pmu_version(&ver) || ver < 3) {
/* Termination current: 75% */
if (!failure)
failure = pmu_set_term_current(RANGE_T34, TERM_I0750);
if (!failure)
failure = pmu_set_term_current(RANGE_T23, TERM_I0750);
if (!failure)
failure = pmu_set_term_current(RANGE_T40, TERM_I0750);
}
return failure ? EC_ERROR_UNKNOWN : EC_SUCCESS;
}
#endif /* CONFIG_BOARD_PMU_INIT */
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