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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.
*/
/* Snow 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
/* use I2C for host communication */
#define CONFIG_I2C
#define USB_CHARGE_PORT_COUNT 0
/* EC drives 13 outputs to keyboard matrix */
#define KB_OUTPUTS 13
/* 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 */
/* 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_SPI1_NSS,
/* 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_CHARGER_EN,
GPIO_EC_INT,
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
};
void configure_board(void);
void matrix_interrupt(enum gpio_signal signal);
/* Signal to AP that data is waiting */
void board_interrupt_host(void);
#endif /* __BOARD_H */
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