Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / blackfin / include / asm / io.h

diff --git a/kernel/arch/blackfin/include/asm/io.h b/kernel/arch/blackfin/include/asm/io.h
new file mode 100644 (file)
index 0000000..6abebe8
--- /dev/null
+++ b/kernel/arch/blackfin/include/asm/io.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2004-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BFIN_IO_H
+#define _BFIN_IO_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <asm/def_LPBlackfin.h>
+
+#define __raw_readb bfin_read8
+#define __raw_readw bfin_read16
+#define __raw_readl bfin_read32
+#define __raw_writeb(val, addr) bfin_write8(addr, val)
+#define __raw_writew(val, addr) bfin_write16(addr, val)
+#define __raw_writel(val, addr) bfin_write32(addr, val)
+
+extern void outsb(unsigned long port, const void *addr, unsigned long count);
+extern void outsw(unsigned long port, const void *addr, unsigned long count);
+extern void outsw_8(unsigned long port, const void *addr, unsigned long count);
+extern void outsl(unsigned long port, const void *addr, unsigned long count);
+#define outsb outsb
+#define outsw outsw
+#define outsl outsl
+
+extern void insb(unsigned long port, void *addr, unsigned long count);
+extern void insw(unsigned long port, void *addr, unsigned long count);
+extern void insw_8(unsigned long port, void *addr, unsigned long count);
+extern void insl(unsigned long port, void *addr, unsigned long count);
+extern void insl_16(unsigned long port, void *addr, unsigned long count);
+#define insb insb
+#define insw insw
+#define insl insl
+
+/**
+ * I/O write barrier
+ *
+ * Ensure ordering of I/O space writes. This will make sure that writes
+ * following the barrier will arrive after all previous writes.
+ */
+#define mmiowb() do { SSYNC(); wmb(); } while (0)
+
+#include <asm-generic/io.h>
+
+#endif