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| author |   Bryan Wu <cooloney@kernel.org> | 2008-12-02 21:33:46 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-07 10:00:07 -0800 |
| commit | 2c557a4a98be67ea54dfd0e8497050a24b7311c6 (patch) | |
| tree | e7b69c33b150824c2b21c2ff5c36a56c5a63af2d /drivers | |
| parent | USB: musb: Make sure we program the correct values in only when necessary. (diff) | |
| download | linux-dev-2c557a4a98be67ea54dfd0e8497050a24b7311c6.tar.xz linux-dev-2c557a4a98be67ea54dfd0e8497050a24b7311c6.zip | |
USB: musb: add Blackfin version low level register accessing helper functions
add Blackfin version low level register accessing helper functions
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb/musb_io.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index 223f0a514094..15f057722b64 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -56,6 +56,8 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len) #endif +#ifndef CONFIG_BLACKFIN + /* NOTE: these offsets are all in bytes */ static inline u16 musb_readw(const void __iomem *addr, unsigned offset) @@ -114,4 +116,26 @@ static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data) #endif /* CONFIG_USB_TUSB6010 */ +#else + +static inline u8 musb_readb(const void __iomem *addr, unsigned offset) + { return (u8) (bfin_read16(addr + offset)); } + +static inline u16 musb_readw(const void __iomem *addr, unsigned offset) + { return bfin_read16(addr + offset); } + +static inline u32 musb_readl(const void __iomem *addr, unsigned offset) + { return (u32) (bfin_read16(addr + offset)); } + +static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data) + { bfin_write16(addr + offset, (u16) data); } + +static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data) + { bfin_write16(addr + offset, data); } + +static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data) + { bfin_write16(addr + offset, (u16) data); } + +#endif /* CONFIG_BLACKFIN */ + #endif |