LXR uboot/include/mapmem.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (c) 2015 National Instruments
   4 *
   5 * (C) Copyright 2015
   6 * Joe Hershberger <joe.hershberger@ni.com>
   7 */
   8
   9#ifndef __MAPMEM_H
  10#define __MAPMEM_H
  11
  12/* Define a null map_sysmem() if the architecture doesn't use it */
  13# ifdef CONFIG_ARCH_MAP_SYSMEM
  14#include <asm/io.h>
  15# else
  16static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
  17{
  18        return (void *)(uintptr_t)paddr;
  19}
  20
  21static inline void unmap_sysmem(const void *vaddr)
  22{
  23}
  24
  25static inline phys_addr_t map_to_sysmem(const void *ptr)
  26{
  27        return (phys_addr_t)(uintptr_t)ptr;
  28}
  29# endif
  30
  31#endif /* __MAPMEM_H */
  32