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/* Copyright (c) 2012 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.
*/
/* Spring board configuration */
#ifndef __BOARD_H
#define __BOARD_H
/* 16 MHz SYSCLK clock frequency */
#define CPU_CLOCK 16000000
/* Use USART1 as console serial port */
#define CONFIG_CONSOLE_UART 1
/* Debug features */
#define CONFIG_PANIC_HELP
#define CONFIG_ASSERT_HELP
#define CONFIG_CONSOLE_CMDHELP
/* Optional features */
#define CONFIG_CHIPSET_GAIA
#define CONFIG_HOST_COMMAND_STATUS
#define CONFIG_I2C
#undef CONFIG_TASK_PROFILING
#define CONFIG_WATCHDOG_HELP
/* DE-ACTIVATED: use STOP mode when we have nothing to do */
#undef CONFIG_LOW_POWER_IDLE
/* Smart battery and TPSchrome are on a private I2C bus behind the EC */
#define CONFIG_I2C_PASSTHROUGH
/* always enable the 3G modem power rail */
#define CONFIG_PMU_FORCE_FET
#ifndef __ASSEMBLER__
/* By default, enable all console messages except keyboard */
#define CC_DEFAULT (CC_ALL & ~CC_MASK(CC_KEYSCAN))
/* EC drives 13 outputs to the keyboard matrix and reads 8 inputs/interrupts */
#define KB_INPUTS 8
#define KB_OUTPUTS 13
#define KB_OUT_PORT_LIST GPIO_B, GPIO_C
/* Charging */
#define CONFIG_SMART_BATTERY
#define CONFIG_PMU_TPS65090
#define CONFIG_PMU_BOARD_INIT
#define I2C_PORT_HOST 0
#define I2C_PORT_BATTERY I2C_PORT_HOST
#define I2C_PORT_CHARGER I2C_PORT_HOST
#define I2C_PORT_SLAVE 1
#define CONFIG_CMD_PMU
/* Battery */
#define CONFIG_BATTERY_BQ20Z453
/* Charger/accessories detection */
#define CONFIG_TSU6721
/* Battery LED driver */
#define CONFIG_LP5562
/* Timer selection */
#define TIM_CLOCK_MSB 2
#define TIM_CLOCK_LSB 4
/* ADC signal */
#define CONFIG_ADC
enum adc_channel {
ADC_CH_USB_VBUS_SNS = 0,
ADC_CH_USB_DP_SNS,
ADC_CH_USB_DN_SNS,
ADC_CH_COUNT
};
/* GPIO signal list */
enum gpio_signal {
/* Inputs with interrupt handlers are first for efficiency */
GPIO_KB_PWR_ON_L = 0, /* Keyboard power button */
GPIO_PP1800_LDO2, /* LDO2 is ON (end of PMIC sequence) */
GPIO_SOC1V8_XPSHOLD, /* App Processor ON */
GPIO_CHARGER_INT,
GPIO_LID_OPEN, /* LID switch detection */
GPIO_SUSPEND_L, /* AP suspend/resume state */
GPIO_WRITE_PROTECTn, /* Write protection pin (low active) */
/* Keyboard inputs */
GPIO_KB_IN00,
GPIO_KB_IN01,
GPIO_KB_IN02,
GPIO_KB_IN03,
GPIO_KB_IN04,
GPIO_KB_IN05,
GPIO_KB_IN06,
GPIO_KB_IN07,
GPIO_USB_CHG_INT,
/* Other inputs */
GPIO_BCHGR_VACG, /* AC good on TPSChrome */
GPIO_I2C1_SCL,
GPIO_I2C1_SDA,
GPIO_I2C2_SCL,
GPIO_I2C2_SDA,
/* Outputs */
GPIO_EN_PP1350, /* DDR 1.35v rail enable */
GPIO_EN_PP5000, /* 5.0v rail enable */
GPIO_EN_PP3300, /* 3.3v rail enable */
GPIO_PMIC_PWRON_L, /* 5v rail ready */
GPIO_PMIC_RESET, /* Force hard reset of the pmic */
GPIO_ENTERING_RW, /* EC is R/W mode for the kbc mux */
GPIO_CHARGER_EN,
GPIO_EC_INT,
GPIO_ID_MUX,
GPIO_KB_OUT00,
GPIO_KB_OUT01,
GPIO_KB_OUT02,
GPIO_KB_OUT03,
GPIO_KB_OUT04,
GPIO_KB_OUT05,
GPIO_KB_OUT06,
GPIO_KB_OUT07,
GPIO_KB_OUT08,
GPIO_KB_OUT09,
GPIO_KB_OUT10,
GPIO_KB_OUT11,
GPIO_KB_OUT12,
GPIO_BOOST_EN,
GPIO_ILIM,
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
/* ILIM pin control */
enum ilim_config {
ILIM_CONFIG_MANUAL_OFF,
ILIM_CONFIG_MANUAL_ON,
ILIM_CONFIG_PWM,
};
/* Forward declaration */
enum charging_state;
void configure_board(void);
/* Signal to AP that data is waiting */
void board_interrupt_host(int active);
/* Initialize PMU registers using board settings */
int board_pmu_init(void);
/* Force the pmu to reset everything on the board */
void board_hard_reset(void);
/* Set ILIM pin control type */
void board_ilim_config(enum ilim_config config);
/* Set PWM duty cycle */
void board_pwm_duty_cycle(int percent);
/* Update USB port status */
void board_usb_charge_update(int force_update);
/* Update battery LED color */
int board_battery_led(enum charging_state state);
/* Get USB port device type */
int board_get_usb_dev_type(void);
/* Get USB port current limit */
int board_get_usb_current_limit(void);
/* Properly limit input power on EC boot */
void board_pwm_init_limit(void);
#endif /* !__ASSEMBLER__ */
#endif /* __BOARD_H */
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