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/* Copyright 2016 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.
*/
/* Hammer board configuration */
#include "common.h"
#include "ec_version.h"
#include "touchpad_elan.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "registers.h"
#include "task.h"
#include "update_fw.h"
#include "usart-stm32f0.h"
#include "usart_tx_dma.h"
#include "usart_rx_dma.h"
#include "usb_descriptor.h"
#include "util.h"
#include "gpio_list.h"
/******************************************************************************
* Define the strings used in our USB descriptors.
*/
const void *const usb_strings[] = {
[USB_STR_DESC] = usb_string_desc,
[USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
[USB_STR_PRODUCT] = USB_STRING_DESC("Hammer"),
[USB_STR_SERIALNO] = 0,
[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
[USB_STR_UPDATE_NAME] = USB_STRING_DESC("Firmware update"),
};
BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
/******************************************************************************
* Support I2C master port for trackpad.
*/
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"master", I2C_PORT_MASTER, 100,
GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/******************************************************************************
* Support firmware upgrade over USB. We can update whichever section is not
* the current section.
*/
/*
* This array defines possible sections available for the firmware update.
* The section which does not map the current executing code is picked as the
* valid update area. The values are offsets into the flash space.
*/
const struct section_descriptor board_rw_sections[] = {
{CONFIG_RO_MEM_OFF,
CONFIG_RO_MEM_OFF + CONFIG_RO_SIZE},
{CONFIG_RW_MEM_OFF,
CONFIG_RW_MEM_OFF + CONFIG_RW_SIZE},
};
const struct section_descriptor * const rw_sections = board_rw_sections;
const int num_rw_sections = ARRAY_SIZE(board_rw_sections);
/******************************************************************************
* Initialize board.
*/
static void board_init(void)
{
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_config_pre_init(void)
{
/* enable SYSCFG clock */
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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