1 files changed, 38 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h
new file mode 100644
index 000000000..ee6043a03
--- /dev/null
+++ b/arch/openrisc/include/asm/io.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others.  All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ */
+
+#ifndef __ASM_OPENRISC_IO_H
+#define __ASM_OPENRISC_IO_H
+
+#include <linux/types.h>
+
+/*
+ * PCI: We do not use IO ports in OpenRISC
+ */
+#define IO_SPACE_LIMIT		0
+
+/* OpenRISC has no port IO */
+#define HAVE_ARCH_PIO_SIZE	1
+#define PIO_RESERVED		0X0UL
+#define PIO_OFFSET		0
+#define PIO_MASK		0
+
+#define ioremap ioremap
+void __iomem *ioremap(phys_addr_t offset, unsigned long size);
+
+#define iounmap iounmap
+extern void iounmap(volatile void __iomem *addr);
+
+#include <asm-generic/io.h>
+
+#endif