/* 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.
 */
/* Polyberry board configuration */

#include "common.h"
#include "dma.h"
#include "ec_version.h"
#include "gpio.h"
#include "gpio_list.h"
#include "hooks.h"
#include "registers.h"
#include "stm32-dma.h"
#include "task.h"
#include "update_fw.h"
#include "usb_descriptor.h"
#include "util.h"
#include "usb_dwc_console.h"
#include "usb_dwc_update.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("Polyberry"),
	[USB_STR_SERIALNO]	= USB_STRING_DESC("1234-a"),
	[USB_STR_VERSION]	= USB_STRING_DESC(CROS_EC_VERSION32),
	[USB_STR_CONSOLE_NAME]	= USB_STRING_DESC("Polyberry EC Shell"),
	[USB_STR_UPDATE_NAME]	= USB_STRING_DESC("Firmware update"),
};

BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);

struct dwc_usb usb_ctl = {
	.ep = {
		&ep0_ctl,
		&ep_console_ctl,
		&usb_update_ep_ctl,
	},
	.speed = USB_SPEED_FS,
	.phy_type = USB_PHY_ULPI,
	.dma_en = 1,
	.irq = STM32_IRQ_OTG_HS,
};

#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);

	if (usb_ctl.phy_type == USB_PHY_ULPI)
		gpio_set_level(GPIO_USB_MUX_SEL, 0);
	else
		gpio_set_level(GPIO_USB_MUX_SEL, 1);

	/* 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);
}

static void board_init(void)
{
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);