1 files changed, 65 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
new file mode 100644
index 000000000..1dd6fae41
--- /dev/null
+++ b/arch/microblaze/include/asm/io.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2007-2009 PetaLogix
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_IO_H
+#define _ASM_MICROBLAZE_IO_H
+
+#include <asm/byteorder.h>
+#include <asm/page.h>
+#include <linux/types.h>
+#include <linux/mm.h>          /* Get struct page {...} */
+
+#ifndef CONFIG_PCI
+#define _IO_BASE	0
+#define _ISA_MEM_BASE	0
+#else
+#define _IO_BASE	isa_io_base
+#define _ISA_MEM_BASE	isa_mem_base
+struct pci_dev;
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+#define pci_iounmap pci_iounmap
+
+extern unsigned long isa_io_base;
+extern resource_size_t isa_mem_base;
+#endif
+
+#define PCI_IOBASE	((void __iomem *)_IO_BASE)
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#ifdef CONFIG_MMU
+#define page_to_bus(page)	(page_to_phys(page))
+
+extern void iounmap(volatile void __iomem *addr);
+
+extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
+
+#endif /* CONFIG_MMU */
+
+/* Big Endian */
+#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
+#define out_be16(a, v) __raw_writew((v), (a))
+
+#define in_be32(a) __raw_readl((const void __iomem __force *)(a))
+#define in_be16(a) __raw_readw(a)
+
+#define writel_be(v, a)	out_be32((__force unsigned *)a, v)
+#define readl_be(a)	in_be32((__force unsigned *)a)
+
+/* Little endian */
+#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
+#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
+
+#define in_le32(a) __le32_to_cpu(__raw_readl(a))
+#define in_le16(a) __le16_to_cpu(__raw_readw(a))
+
+/* Byte ops */
+#define out_8(a, v) __raw_writeb((v), (a))
+#define in_8(a) __raw_readb(a)
+
+#include <asm-generic/io.h>
+
+#endif /* _ASM_MICROBLAZE_IO_H */