mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 06:00:43 +00:00
89994d64ac
Since {read,write}s{l, w, b}() functions are now supported in linux/io.h
there is no need to add custom implementation to driver.
Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* MUSB OTG driver register I/O
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*
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* Copyright 2005 Mentor Graphics Corporation
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* Copyright (C) 2005-2006 by Texas Instruments
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* Copyright (C) 2006-2007 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*/
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#ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
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#define __MUSB_LINUX_PLATFORM_ARCH_H__
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#include <linux/io.h>
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/* NOTE: these offsets are all in bytes */
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static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
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{ return __raw_readw(addr + offset); }
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static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
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{ return __raw_readl(addr + offset); }
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static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
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{ __raw_writew(data, addr + offset); }
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static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
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{ __raw_writel(data, addr + offset); }
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#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
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/*
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* TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
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*/
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static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
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{
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u16 tmp;
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u8 val;
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tmp = __raw_readw(addr + (offset & ~1));
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if (offset & 1)
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val = (tmp >> 8);
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else
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val = tmp & 0xff;
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return val;
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}
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static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
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{
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u16 tmp;
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tmp = __raw_readw(addr + (offset & ~1));
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if (offset & 1)
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tmp = (data << 8) | (tmp & 0xff);
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else
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tmp = (tmp & 0xff00) | data;
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__raw_writew(tmp, addr + (offset & ~1));
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}
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#else
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static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
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{ return __raw_readb(addr + offset); }
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static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
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{ __raw_writeb(data, addr + offset); }
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#endif /* CONFIG_USB_MUSB_TUSB6010 */
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#endif
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