1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/include/asm/map.h
5 * Copyright (C) 1999-2000 Russell King
7 * Page table mapping constructs and function prototypes
9 #ifndef __ASM_MACH_MAP_H
10 #define __ASM_MACH_MAP_H
15 unsigned long virtual;
21 /* types 0-3 are defined in asm/io.h */
32 MT_MEMORY_RWX_NONCACHED,
40 extern void iotable_init(struct map_desc *, int);
41 extern void vm_reserve_area_early(unsigned long addr, unsigned long size,
43 extern void create_mapping_late(struct mm_struct *mm, struct map_desc *md,
46 #ifdef CONFIG_DEBUG_LL
47 extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr);
48 extern void debug_ll_io_init(void);
50 static inline void debug_ll_io_init(void) {}
54 extern const struct mem_type *get_mem_type(unsigned int type);
56 * external interface to remap single page with appropriate type
58 extern int ioremap_page(unsigned long virt, unsigned long phys,
59 const struct mem_type *mtype);
61 #define iotable_init(map,num) do { } while (0)
62 #define vm_reserve_area_early(a,s,c) do { } while (0)