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authorMichel Stam <m.stam@fugro.nl>2014-04-07 12:01:20 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-04-08 08:17:55 +0200
commit4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0 (patch)
treeb3efb2fad02e4abe18ca0d0baefee5ebae6a3875 /arch/nios2
parent0a5529d0edcd8c00a679c485f7266548851c6948 (diff)
downloadbarebox-4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0.tar.gz
common: Allow for I/O mapped I/O
Rework the current framework so that I/O mapped I/O resources are also possible. Signed-off-by: Michel Stam <michel@reverze.net> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/nios2')
-rw-r--r--arch/nios2/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/io.h b/arch/nios2/include/asm/io.h
index 8ee48e0..59eea73 100644
--- a/arch/nios2/include/asm/io.h
+++ b/arch/nios2/include/asm/io.h
@@ -22,6 +22,8 @@
#include <asm/byteorder.h>
+#define IO_SPACE_LIMIT 0
+
#define __raw_writeb(v, a) (*(volatile unsigned char *)(a) = (v))
#define __raw_writew(v, a) (*(volatile unsigned short *)(a) = (v))
#define __raw_writel(v, a) (*(volatile unsigned int *)(a) = (v))