1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Linux architectural port borrowing liberally from similar works of
6 * others. All original copyrights apply as per the original source
9 * OpenRISC implementation:
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
14 #ifndef __ASM_OPENRISC_IO_H
15 #define __ASM_OPENRISC_IO_H
18 * PCI: can we really do 0 here if we have no port IO?
20 #define IO_SPACE_LIMIT 0
22 /* OpenRISC has no port IO */
23 #define HAVE_ARCH_PIO_SIZE 1
24 #define PIO_RESERVED 0X0UL
28 #define ioremap_nocache ioremap_nocache
29 #include <asm-generic/io.h>
30 #include <asm/pgtable.h>
32 extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size,
35 static inline void __iomem *ioremap(phys_addr_t offset, size_t size)
37 return __ioremap(offset, size, PAGE_KERNEL);
40 /* #define _PAGE_CI 0x002 */
41 static inline void __iomem *ioremap_nocache(phys_addr_t offset,
44 return __ioremap(offset, size,
45 __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI));
48 extern void iounmap(void *addr);