mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-18 17:18:01 +09:00
85d5e7075f
Added dwc3 folder from linux kernel 3.19-rc1 (97bf6af1f9) to u-boot. This will be adapted to work with u-boot in the following patches. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/**
|
|
* io.h - DesignWare USB3 DRD IO Header
|
|
*
|
|
* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
|
|
*
|
|
* Authors: Felipe Balbi <balbi@ti.com>,
|
|
* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 of
|
|
* the License as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef __DRIVERS_USB_DWC3_IO_H
|
|
#define __DRIVERS_USB_DWC3_IO_H
|
|
|
|
#include <linux/io.h>
|
|
#include "trace.h"
|
|
#include "debug.h"
|
|
#include "core.h"
|
|
|
|
static inline u32 dwc3_readl(void __iomem *base, u32 offset)
|
|
{
|
|
u32 offs = offset - DWC3_GLOBALS_REGS_START;
|
|
u32 value;
|
|
|
|
/*
|
|
* We requested the mem region starting from the Globals address
|
|
* space, see dwc3_probe in core.c.
|
|
* However, the offsets are given starting from xHCI address space.
|
|
*/
|
|
value = readl(base + offs);
|
|
|
|
/*
|
|
* When tracing we want to make it easy to find the correct address on
|
|
* documentation, so we revert it back to the proper addresses, the
|
|
* same way they are described on SNPS documentation
|
|
*/
|
|
dwc3_trace(trace_dwc3_readl, "addr %p value %08x",
|
|
base - DWC3_GLOBALS_REGS_START + offset, value);
|
|
|
|
return value;
|
|
}
|
|
|
|
static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value)
|
|
{
|
|
u32 offs = offset - DWC3_GLOBALS_REGS_START;
|
|
|
|
/*
|
|
* We requested the mem region starting from the Globals address
|
|
* space, see dwc3_probe in core.c.
|
|
* However, the offsets are given starting from xHCI address space.
|
|
*/
|
|
writel(value, base + offs);
|
|
|
|
/*
|
|
* When tracing we want to make it easy to find the correct address on
|
|
* documentation, so we revert it back to the proper addresses, the
|
|
* same way they are described on SNPS documentation
|
|
*/
|
|
dwc3_trace(trace_dwc3_writel, "addr %p value %08x",
|
|
base - DWC3_GLOBALS_REGS_START + offset, value);
|
|
}
|
|
|
|
#endif /* __DRIVERS_USB_DWC3_IO_H */
|