LXR uboot/include/mapmem.h

   1/*
   2 * Copyright (c) 2015 National Instruments
   3 *
   4 * (C) Copyright 2015
   5 * Joe Hershberger <joe.hershberger@ni.com>
   6 *
   7 * SPDX-License-Identifier:    GPL-2.0
   8 */
   9
  10#ifndef __MAPMEM_H
  11#define __MAPMEM_H
  12
  13/* Define a null map_sysmem() if the architecture doesn't use it */
  14# ifdef CONFIG_ARCH_MAP_SYSMEM
  15#include <asm/io.h>
  16# else
  17static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
  18{
  19        return (void *)(uintptr_t)paddr;
  20}
  21
  22static inline void unmap_sysmem(const void *vaddr)
  23{
  24}
  25
  26static inline phys_addr_t map_to_sysmem(const void *ptr)
  27{
  28        return (phys_addr_t)(uintptr_t)ptr;
  29}
  30# endif
  31
  32#endif /* __MAPMEM_H */
  33