LXR linux/arch/nds32/include/asm/fixmap.h

   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (C) 2005-2017 Andes Technology Corporation
   3
   4#ifndef __ASM_NDS32_FIXMAP_H
   5#define __ASM_NDS32_FIXMAP_H
   6
   7#ifdef CONFIG_HIGHMEM
   8#include <linux/threads.h>
   9#include <asm/kmap_types.h>
  10#endif
  11
  12enum fixed_addresses {
  13        FIX_HOLE,
  14        FIX_KMAP_RESERVED,
  15        FIX_KMAP_BEGIN,
  16#ifdef CONFIG_HIGHMEM
  17        FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS),
  18#endif
  19        FIX_EARLYCON_MEM_BASE,
  20        __end_of_fixed_addresses
  21};
  22#define FIXADDR_TOP             ((unsigned long) (-(16 * PAGE_SIZE)))
  23#define FIXADDR_SIZE            ((__end_of_fixed_addresses) << PAGE_SHIFT)
  24#define FIXADDR_START           (FIXADDR_TOP - FIXADDR_SIZE)
  25#define FIXMAP_PAGE_IO          __pgprot(PAGE_DEVICE)
  26void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
  27
  28#include <asm-generic/fixmap.h>
  29#endif /* __ASM_NDS32_FIXMAP_H */
  30