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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.
*/
#include "common.h"
#include "dma.h"
#include "ec_version.h"
#include "gpio.h"
#include "gpio_list.h"
#include "hooks.h"
#include "i2c.h"
#include "registers.h"
#include "stm32-dma.h"
#include "usb_descriptor.h"
#include "usb_dwc_console.h"
#include "usb_hw.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("stm32f446-eval"),
[USB_STR_SERIALNO] = USB_STRING_DESC("1234-a"),
[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
[USB_STR_CONSOLE_NAME] = USB_STRING_DESC("EC Shell"),
};
BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
struct dwc_usb usb_ctl = {
.ep = {
&ep0_ctl,
&ep_console_ctl,
},
.speed = USB_SPEED_FS,
.phy_type = USB_PHY_ULPI,
.dma_en = 1,
.irq = STM32_IRQ_OTG_HS,
};
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"i2c1", I2C_PORT_0, 100,
GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"fmpi2c4", FMPI2C_PORT_3, 100,
GPIO_FMPI2C_SCL, GPIO_FMPI2C_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
#define GPIO_SET_HS(bank, number) \
(STM32_GPIO_OSPEEDR(GPIO_##bank) |= (0x3 << ((number) * 2)))
void board_config_post_gpio_init(void)
{
/* We use MCO2 clock passthrough to provide a clock to USB HS */
gpio_config_module(MODULE_MCO, 1);
/* GPIO PC9 to high speed */
GPIO_SET_HS(C, 9);
/* Set USB GPIO to high speed */
GPIO_SET_HS(A, 11);
GPIO_SET_HS(A, 12);
GPIO_SET_HS(C, 3);
GPIO_SET_HS(C, 2);
GPIO_SET_HS(C, 0);
GPIO_SET_HS(A, 5);
GPIO_SET_HS(B, 5);
GPIO_SET_HS(B, 13);
GPIO_SET_HS(B, 12);
GPIO_SET_HS(B, 2);
GPIO_SET_HS(B, 10);
GPIO_SET_HS(B, 1);
GPIO_SET_HS(B, 0);
GPIO_SET_HS(A, 3);
/* Set I2C GPIO to HS */
GPIO_SET_HS(B, 6);
GPIO_SET_HS(B, 7);
GPIO_SET_HS(F, 1);
GPIO_SET_HS(F, 0);
GPIO_SET_HS(A, 8);
GPIO_SET_HS(B, 4);
GPIO_SET_HS(C, 6);
GPIO_SET_HS(C, 7);
}
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