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authorJan Andersson <jan@gaisler.com>2011-05-10 23:13:33 +0000
committerDavid S. Miller <davem@davemloft.net>2011-05-12 13:44:29 -0700
commit21dccddf45aae2d9f973696ce06115da0d1012b6 (patch)
tree1b06f817f84ae1007097541a922ded918f3ef05e /arch/sparc
parentb1054282d752c5a026e2c0450616ebf37fc0413e (diff)
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>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/io.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h
index a34b2994937a..f6902cf3cbe9 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