1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * MUSB OTG driver register I/O
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright 2005 Mentor Graphics Corporation
5*4882a593Smuzhiyun * Copyright (C) 2005-2006 by Texas Instruments
6*4882a593Smuzhiyun * Copyright (C) 2006-2007 Nokia Corporation
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or
9*4882a593Smuzhiyun * modify it under the terms of the GNU General Public License
10*4882a593Smuzhiyun * version 2 as published by the Free Software Foundation.
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
16*4882a593Smuzhiyun #define __MUSB_LINUX_PLATFORM_ARCH_H__
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #ifndef __UBOOT__
19*4882a593Smuzhiyun #include <linux/io.h>
20*4882a593Smuzhiyun #else
21*4882a593Smuzhiyun #include <asm/io.h>
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
25*4882a593Smuzhiyun && !defined(CONFIG_PPC32) \
26*4882a593Smuzhiyun && !defined(CONFIG_PPC64) && !defined(CONFIG_MIPS) \
27*4882a593Smuzhiyun && !defined(CONFIG_M68K)
readsl(const void __iomem * addr,void * buf,int len)28*4882a593Smuzhiyun static inline void readsl(const void __iomem *addr, void *buf, int len)
29*4882a593Smuzhiyun { insl((unsigned long)addr, buf, len); }
readsw(const void __iomem * addr,void * buf,int len)30*4882a593Smuzhiyun static inline void readsw(const void __iomem *addr, void *buf, int len)
31*4882a593Smuzhiyun { insw((unsigned long)addr, buf, len); }
readsb(const void __iomem * addr,void * buf,int len)32*4882a593Smuzhiyun static inline void readsb(const void __iomem *addr, void *buf, int len)
33*4882a593Smuzhiyun { insb((unsigned long)addr, buf, len); }
34*4882a593Smuzhiyun
writesl(const void __iomem * addr,const void * buf,int len)35*4882a593Smuzhiyun static inline void writesl(const void __iomem *addr, const void *buf, int len)
36*4882a593Smuzhiyun { outsl((unsigned long)addr, buf, len); }
writesw(const void __iomem * addr,const void * buf,int len)37*4882a593Smuzhiyun static inline void writesw(const void __iomem *addr, const void *buf, int len)
38*4882a593Smuzhiyun { outsw((unsigned long)addr, buf, len); }
writesb(const void __iomem * addr,const void * buf,int len)39*4882a593Smuzhiyun static inline void writesb(const void __iomem *addr, const void *buf, int len)
40*4882a593Smuzhiyun { outsb((unsigned long)addr, buf, len); }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #endif
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun /* NOTE: these offsets are all in bytes */
45*4882a593Smuzhiyun
musb_readw(const void __iomem * addr,unsigned offset)46*4882a593Smuzhiyun static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
47*4882a593Smuzhiyun { return __raw_readw(addr + offset); }
48*4882a593Smuzhiyun
musb_readl(const void __iomem * addr,unsigned offset)49*4882a593Smuzhiyun static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
50*4882a593Smuzhiyun { return __raw_readl(addr + offset); }
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun
musb_writew(void __iomem * addr,unsigned offset,u16 data)53*4882a593Smuzhiyun static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
54*4882a593Smuzhiyun { __raw_writew(data, addr + offset); }
55*4882a593Smuzhiyun
musb_writel(void __iomem * addr,unsigned offset,u32 data)56*4882a593Smuzhiyun static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
57*4882a593Smuzhiyun { __raw_writel(data, addr + offset); }
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun /*
63*4882a593Smuzhiyun * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
64*4882a593Smuzhiyun */
musb_readb(const void __iomem * addr,unsigned offset)65*4882a593Smuzhiyun static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun u16 tmp;
68*4882a593Smuzhiyun u8 val;
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun tmp = __raw_readw(addr + (offset & ~1));
71*4882a593Smuzhiyun if (offset & 1)
72*4882a593Smuzhiyun val = (tmp >> 8);
73*4882a593Smuzhiyun else
74*4882a593Smuzhiyun val = tmp & 0xff;
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun return val;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
musb_writeb(void __iomem * addr,unsigned offset,u8 data)79*4882a593Smuzhiyun static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun u16 tmp;
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun tmp = __raw_readw(addr + (offset & ~1));
84*4882a593Smuzhiyun if (offset & 1)
85*4882a593Smuzhiyun tmp = (data << 8) | (tmp & 0xff);
86*4882a593Smuzhiyun else
87*4882a593Smuzhiyun tmp = (tmp & 0xff00) | data;
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun __raw_writew(tmp, addr + (offset & ~1));
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun #else
93*4882a593Smuzhiyun
musb_readb(const void __iomem * addr,unsigned offset)94*4882a593Smuzhiyun static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
95*4882a593Smuzhiyun { return __raw_readb(addr + offset); }
96*4882a593Smuzhiyun
musb_writeb(void __iomem * addr,unsigned offset,u8 data)97*4882a593Smuzhiyun static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
98*4882a593Smuzhiyun { __raw_writeb(data, addr + offset); }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun #endif /* CONFIG_USB_MUSB_TUSB6010 */
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun #endif
103