xref: /rk3399_rockchip-uboot/board/rockchip/evb_rk3528/evb_rk3528.c (revision 9863b7ebb87dd9cd7793d3e792ebe89d223619e7)

/*
 * SPDX-License-Identifier:     GPL-2.0+
 *
 * (C) Copyright 2020 Rockchip Electronics Co., Ltd
 */

#include <common.h>
#include <dwc3-uboot.h>
#include <usb.h>
#include <linux/usb/phy-rockchip-naneng-combphy.h>
#include <asm/io.h>
#include <rockusb.h>

DECLARE_GLOBAL_DATA_PTR;

#ifdef CONFIG_USB_DWC3
#define CRU_BASE		0xff4a0000
#define CRU_SOFTRST_CON33	0x0a84
#define U3PHY_BASE		0xffdc0000

static struct dwc3_device dwc3_device_data = {
	.maximum_speed = USB_SPEED_SUPER,
	.base = 0xfe500000,
	.dr_mode = USB_DR_MODE_PERIPHERAL,
	.index = 0,
	.dis_u2_susphy_quirk = 1,
	.dis_u1u2_quirk = 1,
	.usb2_phyif_utmi_width = 16,
};

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

bool rkusb_usb3_capable(void)
{
	return true;
}

static void usb_reset_otg_controller(void)
{
	writel(0x00020002, CRU_BASE + CRU_SOFTRST_CON33);
	mdelay(1);
	writel(0x00020000, CRU_BASE + CRU_SOFTRST_CON33);
	mdelay(1);
}

int board_usb_init(int index, enum usb_init_type init)
{
	u32 ret = 0;

	usb_reset_otg_controller();

#if defined(CONFIG_SUPPORT_USBPLUG)
	dwc3_device_data.maximum_speed = USB_SPEED_HIGH;

	if (rkusb_switch_usb3_enabled()) {
		dwc3_device_data.maximum_speed = USB_SPEED_SUPER;
		ret = rockchip_combphy_usb3_uboot_init(U3PHY_BASE);
		if (ret) {
			rkusb_force_to_usb2(true);
			dwc3_device_data.maximum_speed = USB_SPEED_HIGH;
		}
	}
#else
	ret = rockchip_combphy_usb3_uboot_init(U3PHY_BASE);
	if (ret) {
		rkusb_force_to_usb2(true);
		dwc3_device_data.maximum_speed = USB_SPEED_HIGH;
	}
#endif

	return dwc3_uboot_init(&dwc3_device_data);
}

#if defined(CONFIG_SUPPORT_USBPLUG)
int board_usb_cleanup(int index, enum usb_init_type init)
{
	dwc3_uboot_exit(index);
	return 0;
}
#endif

#endif