arch/csky/include/asm/fixmap.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
   3
   4 #ifndef __ASM_CSKY_FIXMAP_H
   5 #define __ASM_CSKY_FIXMAP_H
   6
   7 #include <asm/page.h>
   8 #include <asm/memory.h>
   9 #ifdef CONFIG_HIGHMEM
  10 #include <linux/threads.h>
  11 #include <asm/kmap_size.h>
  12 #endif
  13
  14 enum fixed_addresses {
  15 #ifdef CONFIG_HAVE_TCM
  16         FIX_TCM = TCM_NR_PAGES,
  17 #endif
  18 #ifdef CONFIG_HIGHMEM
  19         FIX_KMAP_BEGIN,
  20         FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1,
  21 #endif
  22         __end_of_fixed_addresses
  23 };
  24
  25 #define FIXADDR_SIZE    (__end_of_fixed_addresses << PAGE_SHIFT)
  26 #define FIXADDR_START   (FIXADDR_TOP - FIXADDR_SIZE)
  27
  28 #include <asm-generic/fixmap.h>
  29
  30 extern void fixrange_init(unsigned long start, unsigned long end,
  31         pgd_t *pgd_base);
  32 extern void __init fixaddr_init(void);
  33
  34 #endif /* __ASM_CSKY_FIXMAP_H */