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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.
*/
/* Snow board configuration */
#ifndef __BOARD_H
#define __BOARD_H
/* 16 MHz SYSCLK clock frequency */
#define CPU_CLOCK 16000000
/* Debug features */
#undef CONFIG_TASK_PROFILING
/* Optional features */
#define CONFIG_BATTERY_BQ20Z453
#define CONFIG_BATTERY_SMART
#define CONFIG_BOARD_PRE_INIT
#define CONFIG_CHARGER_TPS65090
#define CONFIG_CHIPSET_GAIA
#define CONFIG_CMD_PMU
#define CONFIG_HOST_COMMAND_STATUS
#define CONFIG_I2C
#define CONFIG_I2C_ARBITRATION
#define CONFIG_KEYBOARD_PROTOCOL_MKBP
#define CONFIG_KEYBOARD_SUPPRESS_NOISE
#define CONFIG_PMU_HARD_RESET
#define CONFIG_PMU_TPS65090
#define CONFIG_PWM
/* use STOP mode when we have nothing to do */
#define CONFIG_LOW_POWER_IDLE
#ifndef __ASSEMBLER__
/* Module IDs */
/* TODO(rspangler): use this in place of enum console_channel as well */
enum module_id {
MODULE_I2C,
MODULE_POWER_LED,
MODULE_UART,
};
/* By default, enable all console messages except keyboard */
#define CC_DEFAULT (CC_ALL & ~CC_MASK(CC_KEYSCAN))
/* Keyboard output ports */
#define KB_OUT_PORT_LIST GPIO_B, GPIO_C
/* Charging */
#define I2C_PORT_HOST 1
#define I2C_PORT_BATTERY I2C_PORT_HOST
#define I2C_PORT_CHARGER I2C_PORT_HOST
#define I2C_PORT_SLAVE 1
#define GPIO_AP_CLAIM GPIO_SPI1_NSS /* AP claims bus */
#define GPIO_EC_CLAIM GPIO_SPI1_MISO /* EC claims bus */
/* Timer selection */
#define TIM_CLOCK_MSB 3
#define TIM_CLOCK_LSB 4
#define TIM_POWER_LED 2
#define TIM_WATCHDOG 1
/* 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_L,
GPIO_LID_OPEN, /* LID switch detection */
GPIO_SUSPEND_L, /* AP suspend/resume state */
GPIO_WP_L, /* 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,
/* Other inputs */
GPIO_AC_PWRBTN_L,
GPIO_SPI1_NSS,
GPIO_I2C1_SCL,
GPIO_I2C1_SDA,
GPIO_I2C2_SCL,
GPIO_I2C2_SDA,
/* Outputs */
GPIO_AC_STATUS,
GPIO_SPI1_MISO,
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_CODEC_INT, /* To audio codec (KB noise cancellation) */
GPIO_LED_POWER_L, /* Keyboard power LED */
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,
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
enum pwm_channel {
PWM_CH_POWER_LED = 0,
/* Number of PWM channels */
PWM_CH_COUNT
};
#endif /* !__ASSEMBLER__ */
#endif /* __BOARD_H */
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