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sparc: add {read,write}*_be routines 

This patch adds {read,write}*_be big endian memory access
routines to the io.h header used on SPARC32 and SPARC64.

Tested on SPARC32 (LEON)

Signed-off-by: Jan Andersson <jan@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jan Andersson 2011-05-18 10:44:52 +02:00 committed by Greg Kroah-Hartman
parent 51e2f62fe7
commit c936503fff
1 changed files with 13 additions and 0 deletions
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13
arch/sparc/include/asm/io.h
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@ -5,4 +5,17 @@
#else
#include <asm/io_32.h>
#endif
/*
* Defines used for both SPARC32 and SPARC64
*/
/* Big endian versions of memory read/write routines */
#define readb_be(__addr) __raw_readb(__addr)
#define readw_be(__addr) __raw_readw(__addr)
#define readl_be(__addr) __raw_readl(__addr)
#define writeb_be(__b, __addr) __raw_writeb(__b, __addr)
#define writel_be(__w, __addr) __raw_writel(__w, __addr)
#define writew_be(__l, __addr) __raw_writew(__l, __addr)
#endif