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-rw-r--r--include/asm-arm/arch-orion/io.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/io.h b/include/asm-arm/arch-orion/io.h
index e0b8c39b9167..42abd297ae5f 100644
--- a/include/asm-arm/arch-orion/io.h
+++ b/include/asm-arm/arch-orion/io.h
@@ -24,4 +24,19 @@ static inline void __iomem *__io(unsigned long addr)
#define __io(a) __io(a)
#define __mem_pci(a) (a)
+
+/*****************************************************************************
+ * Helpers to access Orion registers
+ ****************************************************************************/
+#define orion_read(r) __raw_readl(r)
+#define orion_write(r, val) __raw_writel(val, r)
+
+/*
+ * These are not preempt-safe. Locks, if needed, must be taken
+ * care of by the caller.
+ */
+#define orion_setbits(r, mask) orion_write((r), orion_read(r) | (mask))
+#define orion_clrbits(r, mask) orion_write((r), orion_read(r) & ~(mask))
+
+
#endif