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Commit 27350afd authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[ARM] EBSA110: Add readsw/readsl/writesw/writesl 



Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 7ab3f8d5

arch/arm/mach-ebsa110/io.c

+40 −0
Original line number Diff line number Diff line
@@ -102,6 +102,26 @@ EXPORT_SYMBOL(__readb); 
EXPORT_SYMBOL(__readw);

EXPORT_SYMBOL(__readl);



void readsw(void __iomem *addr, void *data, int len)

{

	void __iomem *a = __isamem_convert_addr(addr);



	BUG_ON((unsigned long)addr & 1);



	__raw_readsw(a, data, len);

}

EXPORT_SYMBOL(readsw);



void readsl(void __iomem *addr, void *data, int len)

{

	void __iomem *a = __isamem_convert_addr(addr);



	BUG_ON((unsigned long)addr & 3);



	__raw_readsl(a, data, len);

}

EXPORT_SYMBOL(readsl);



void __writeb(u8 val, void __iomem *addr)

{

	void __iomem *a = __isamem_convert_addr(addr);
@@ -137,6 +157,26 @@ EXPORT_SYMBOL(__writeb); 
EXPORT_SYMBOL(__writew);

EXPORT_SYMBOL(__writel);



void writesw(void __iomem *addr, void *data, int len)

{

	void __iomem *a = __isamem_convert_addr(addr);



	BUG_ON((unsigned long)addr & 1);



	__raw_writesw(a, data, len);

}

EXPORT_SYMBOL(writesw);



void writesl(void __iomem *addr, void *data, int len)

{

	void __iomem *a = __isamem_convert_addr(addr);



	BUG_ON((unsigned long)addr & 3);



	__raw_writesl(a, data, len);

}

EXPORT_SYMBOL(writesl);



#define SUPERIO_PORT(p) \

	(((p) >> 3) == (0x3f8 >> 3) || \

	 ((p) >> 3) == (0x2f8 >> 3) || \

include/asm-arm/arch-ebsa110/io.h

+8 −0
Original line number Diff line number Diff line
@@ -81,4 +81,12 @@ extern void outsb(unsigned int port, const void *buf, int sz); 
extern void outsw(unsigned int port, const void *buf, int sz);

extern void outsl(unsigned int port, const void *buf, int sz);



/* can't support writesb atm */

extern void writesw(void __iomem *addr, const void *data, int wordlen);

extern void writesl(void __iomem *addr, const void *data, int longlen);



/* can't support readsb atm */

extern void readsw(const void __iomem *addr, void *data, int wordlen);

extern void readsl(const void __iomem *addr, void *data, int longlen);



#endif