u-boot/board/st/stih410-b2260/board.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
 * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
 */

#include <common.h>
#include <linux/usb/otg.h>
#include <dwc3-sti-glue.h>
#include <dwc3-uboot.h>
#include <usb.h>

DECLARE_GLOBAL_DATA_PTR;

int dram_init(void)
{
	gd->ram_size = PHYS_SDRAM_1_SIZE;
	return 0;
}

int dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;

	return 0;
}

#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
void enable_caches(void)
{
	/* Enable D-cache. I-cache is already enabled in start.S */
	dcache_enable();
}
#endif

int board_init(void)
{
	return 0;
}

#ifdef CONFIG_USB_DWC3
static struct dwc3_device dwc3_device_data = {
	.maximum_speed = USB_SPEED_HIGH,
	.dr_mode = USB_DR_MODE_PERIPHERAL,
	.index = 0,
};

int usb_gadget_handle_interrupts(int index)
{
	dwc3_uboot_handle_interrupt(index);
	return 0;
}

int board_usb_init(int index, enum usb_init_type init)
{
	int node;
	const void *blob = gd->fdt_blob;

	/* find the snps,dwc3 node */
	node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");

	dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg");

	return dwc3_uboot_init(&dwc3_device_data);
}

int board_usb_cleanup(int index, enum usb_init_type init)
{
	dwc3_uboot_exit(index);
	return 0;
}

int g_dnl_board_usb_cable_connected(void)
{
	return 1;
}
#endif