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 /*
  18  * PCI: can we really do 0 here if we have no port IO?
  19  */
  20 #define IO_SPACE_LIMIT          0
  21
  22 /* OpenRISC has no port IO */
  23 #define HAVE_ARCH_PIO_SIZE      1
  24 #define PIO_RESERVED            0X0UL
  25 #define PIO_OFFSET              0
  26 #define PIO_MASK                0
  27
  28 #include <asm-generic/io.h>
  29 #include <asm/pgtable.h>
  30
  31 void __iomem *ioremap(phys_addr_t offset, unsigned long size);
  32 extern void iounmap(void *addr);
  33
  34 #endif