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5945f789c8
This is a Linux-only driver which makes use of GPL-only symbols. It makes no sense to maintain Dual BSD/GPL licensing for this driver. Considering that the amount of work to use this driver in any different operating system would likely be as large as developing the driver from scratch and considering that we depend on GPL-only symbols, we will switch over to a GPL v2-only license. Cc: Anton Tikhomirov <av.tikhomirov@samsung.com> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
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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