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/* 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.
*/
/* ryu sensor hub configuration */
#include "common.h"
#include "console.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "registers.h"
#include "task.h"
#include "util.h"
#include "gpio_list.h"
/* Initialize board. */
static void board_init(void)
{
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"master", I2C_PORT_MASTER, 100,
GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA},
{"slave", I2C_PORT_SLAVE, 100,
GPIO_SLAVE_I2C_SCL, GPIO_SLAVE_I2C_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
void board_config_pre_init(void)
{
/*
* enable SYSCFG clock:
* otherwise the SYSCFG peripheral is not clocked during the pre-init
* and the register write as no effect.
*/
STM32_RCC_APB2ENR |= 1 << 0;
/*
* Remap USART DMA to match the USART driver
* the DMA mapping is :
* Chan 4 : USART1_TX
* Chan 5 : USART1_RX
*/
STM32_SYSCFG_CFGR1 |= (1 << 9) | (1 << 10);/* Remap USART1 RX/TX DMA */
}
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