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Diffstat (limited to 'board/skate/board.h')
| -rw-r--r-- | board/skate/board.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/board/skate/board.h b/board/skate/board.h new file mode 100644 index 0000000000..bb8b71e55b --- /dev/null +++ b/board/skate/board.h @@ -0,0 +1,198 @@ +/* Copyright (c) 2014 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. + */ + +/* Skate 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 +#define CONFIG_CONSOLE_RESTRICTED_INPUT + +/* Console is not accessible when EC is write-protected */ +#define CONFIG_CONSOLE_RESTRICTED_INPUT + +/* use I2C for host communication */ +#define CONFIG_I2C + +#define CONFIG_HOST_COMMAND_STATUS + +/* Debug features */ +#define CONFIG_PANIC_HELP +#define CONFIG_ASSERT_HELP +#define CONFIG_CONSOLE_CMDHELP + +#undef CONFIG_TASK_PROFILING +#define CONFIG_WATCHDOG_HELP + +/* Auto battery cut-off */ +#define BATTERY_CUT_OFF_MAH 10 +#define BATTERY_CUT_OFF_DELAY (15 * SECOND) +#define BATTERY_CELL_CUT_OFF_MV 3200 /* 3.2V */ + +/* use STOP mode when we have nothing to do */ +#define CONFIG_LOW_POWER_IDLE + +/* Smart battery and TPSchrome are on a private I2C bus behind the EC */ +#define CONFIG_I2C_PASSTHROUGH + +/* allow to reset scratchpad from the EC command-line */ +#define CONFIG_CMD_SCRATCHPAD + +#ifndef __ASSEMBLER__ + +/* By default, enable all console messages except keyboard */ +#define CC_DEFAULT (CC_ALL & ~CC_MASK(CC_KEYSCAN)) + +/* EC drives 13 outputs to keyboard matrix */ +#define KB_OUTPUTS 13 + +/* 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_SKATE + +/* Low battery threshold. In mAh. */ +#define BATTERY_AP_OFF_LEVEL 12 + +/* Charger/accessories detection */ +#define CONFIG_TSU6721 + +/* Battery LED driver */ +#define CONFIG_LP5562 + +/* Timer selection */ +#define TIM_CLOCK_MSB 2 +#define TIM_CLOCK_LSB 4 + +/* Current sense resistor values */ +#define R_INPUT_MOHM 20 /* mOhm */ +#define R_BATTERY_MOHM 33 /* mOhm */ + +/* 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); + +void matrix_interrupt(enum gpio_signal signal); + +/* 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); + +/* 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); + +/* Do we have enough AC power to boot without a battery */ +int board_has_high_power_ac(void); + +#endif /* !__ASSEMBLER__ */ + +#endif /* __BOARD_H */ |