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@xxxxxxxxxxx>
---
This patch is present in:
git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git master
commit id: 21dccddf45aae2d9f973696ce06115da0d1012b6
and is included in this series to allow the addition of a BE UHCI HC
for SPARC_LEON.
---
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
--
1.7.0.4
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