LXR linux/arch/openrisc/include/asm/io.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * OpenRISC Linux
   4 *
   5 * Linux architectural port borrowing liberally from similar works of
   6 * others.  All original copyrights apply as per the original source
   7 * declaration.
   8 *
   9 * OpenRISC implementation:
  10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  11 * et al.
  12 */
  13
  14#ifndef __ASM_OPENRISC_IO_H
  15#define __ASM_OPENRISC_IO_H
  16
  17#include <linux/types.h>
  18
  19/*
  20 * PCI: can we really do 0 here if we have no port IO?
  21 */
  22#define IO_SPACE_LIMIT          0
  23
  24/* OpenRISC has no port IO */
  25#define HAVE_ARCH_PIO_SIZE      1
  26#define PIO_RESERVED            0X0UL
  27#define PIO_OFFSET              0
  28#define PIO_MASK                0
  29
  30#define ioremap ioremap
  31void __iomem *ioremap(phys_addr_t offset, unsigned long size);
  32
  33#define iounmap iounmap
  34extern void iounmap(void *addr);
  35
  36#include <asm-generic/io.h>
  37
  38#endif
  39