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