47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/**
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* io.h - DesignWare USB3 DRD IO Header
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*
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* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
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*
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* Authors: Felipe Balbi <balbi@ti.com>,
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* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __DRIVERS_USB_DWC3_IO_H
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#define __DRIVERS_USB_DWC3_IO_H
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#include <linux/io.h>
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#include "core.h"
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static inline u32 dwc3_readl(void __iomem *base, u32 offset)
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{
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/*
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* We requested the mem region starting from the Globals address
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* space, see dwc3_probe in core.c.
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* However, the offsets are given starting from xHCI address space.
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*/
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return readl(base + (offset - DWC3_GLOBALS_REGS_START));
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}
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static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value)
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{
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/*
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* We requested the mem region starting from the Globals address
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* space, see dwc3_probe in core.c.
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* However, the offsets are given starting from xHCI address space.
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*/
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writel(value, base + (offset - DWC3_GLOBALS_REGS_START));
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}
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#endif /* __DRIVERS_USB_DWC3_IO_H */
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