2 * MUSB OTG driver register I/O
4 * Copyright 2005 Mentor Graphics Corporation
5 * Copyright (C) 2005-2006 by Texas Instruments
6 * Copyright (C) 2006-2007 Nokia Corporation
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
25 * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
29 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
36 #define __MUSB_LINUX_PLATFORM_ARCH_H__
40 #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
41 && !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
42 && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \
43 && !defined(CONFIG_MIPS) && !defined(CONFIG_M68K) \
44 && !defined(CONFIG_XTENSA)
45 static inline void readsl(const void __iomem *addr, void *buf, int len)
46 { insl((unsigned long)addr, buf, len); }
47 static inline void readsw(const void __iomem *addr, void *buf, int len)
48 { insw((unsigned long)addr, buf, len); }
49 static inline void readsb(const void __iomem *addr, void *buf, int len)
50 { insb((unsigned long)addr, buf, len); }
52 static inline void writesl(const void __iomem *addr, const void *buf, int len)
53 { outsl((unsigned long)addr, buf, len); }
54 static inline void writesw(const void __iomem *addr, const void *buf, int len)
55 { outsw((unsigned long)addr, buf, len); }
56 static inline void writesb(const void __iomem *addr, const void *buf, int len)
57 { outsb((unsigned long)addr, buf, len); }
61 #ifndef CONFIG_BLACKFIN
63 /* NOTE: these offsets are all in bytes */
65 static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
66 { return __raw_readw(addr + offset); }
68 static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
69 { return __raw_readl(addr + offset); }
72 static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
73 { __raw_writew(data, addr + offset); }
75 static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
76 { __raw_writel(data, addr + offset); }
79 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
82 * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
84 static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
89 tmp = __raw_readw(addr + (offset & ~1));
98 static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
102 tmp = __raw_readw(addr + (offset & ~1));
104 tmp = (data << 8) | (tmp & 0xff);
106 tmp = (tmp & 0xff00) | data;
108 __raw_writew(tmp, addr + (offset & ~1));
113 static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
114 { return __raw_readb(addr + offset); }
116 static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
117 { __raw_writeb(data, addr + offset); }
119 #endif /* CONFIG_USB_MUSB_TUSB6010 */
123 static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
124 { return (u8) (bfin_read16(addr + offset)); }
126 static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
127 { return bfin_read16(addr + offset); }
129 static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
130 { return (u32) (bfin_read16(addr + offset)); }
132 static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
133 { bfin_write16(addr + offset, (u16) data); }
135 static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
136 { bfin_write16(addr + offset, data); }
138 static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
139 { bfin_write16(addr + offset, (u16) data); }
141 #endif /* CONFIG_BLACKFIN */