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// SPDX-License-Identifier: GPL-2.0
/*
* xHCI host controller driver for RZ/V2M
*
* Copyright (C) 2022 Renesas Electronics Corporation
*/
#include <linux/usb/rzv2m_usb3drd.h>
#include "xhci.h"
#include "xhci-plat.h"
#include "xhci-rzv2m.h"
#define RZV2M_USB3_INTEN 0x1044 /* Interrupt Enable */
#define RZV2M_USB3_INT_XHC_ENA BIT(0)
#define RZV2M_USB3_INT_HSE_ENA BIT(2)
#define RZV2M_USB3_INT_ENA_VAL (RZV2M_USB3_INT_XHC_ENA \
| RZV2M_USB3_INT_HSE_ENA)
int xhci_rzv2m_init_quirk(struct usb_hcd *hcd)
{
struct device *dev = hcd->self.controller;
rzv2m_usb3drd_reset(dev->parent, true);
return 0;
}
void xhci_rzv2m_start(struct usb_hcd *hcd)
{
u32 int_en;
if (hcd->regs) {
/* Interrupt Enable */
int_en = readl(hcd->regs + RZV2M_USB3_INTEN);
int_en |= RZV2M_USB3_INT_ENA_VAL;
writel(int_en, hcd->regs + RZV2M_USB3_INTEN);
}
}
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