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| author | Jan Andersson <jan@gaisler.com> | 2011-05-18 10:44:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-19 16:45:32 -0700 |
| commit | c936503fff31663a8625d23f528d868aa8c22570 (patch) | |
| tree | a070140c13e5a9e79f67a85641a6d06fbd8b9689 | |
| parent | 51e2f62fe79651e7ed8e16ba126a163b116fe3d7 (diff) | |
| download | op-kernel-dev-c936503fff31663a8625d23f528d868aa8c22570.zip op-kernel-dev-c936503fff31663a8625d23f528d868aa8c22570.tar.gz | |
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>
| -rw-r--r-- | arch/sparc/include/asm/io.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h index a34b299..f6902cf 100644 --- a/arch/sparc/include/asm/io.h +++ b/arch/sparc/include/asm/io.h @@ -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 |
