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-rw-r--r--sys/arm/include/bus.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/arm/include/bus.h b/sys/arm/include/bus.h
index 4080c33..cabf1f7 100644
--- a/sys/arm/include/bus.h
+++ b/sys/arm/include/bus.h
@@ -721,6 +721,8 @@ bs_c_8_proto(f);
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
+#define BUS_SPACE_UNRESTRICTED (~0)
+
#include <machine/bus_dma.h>
#endif /* _MACHINE_BUS_H_ */
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