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 */
31 MT_MEMORY_RWX_NONCACHED,
39 extern void iotable_init(struct map_desc *, int);
40 extern void vm_reserve_area_early(unsigned long addr, unsigned long size,
42 extern void create_mapping_late(struct mm_struct *mm, struct map_desc *md,
45 #ifdef CONFIG_DEBUG_LL
46 extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr);
47 extern void debug_ll_io_init(void);
49 static inline void debug_ll_io_init(void) {}
53 extern const struct mem_type *get_mem_type(unsigned int type);
55 * external interface to remap single page with appropriate type
57 extern int ioremap_page(unsigned long virt, unsigned long phys,
58 const struct mem_type *mtype);
60 #define iotable_init(map,num) do { } while (0)
61 #define vm_reserve_area_early(a,s,c) do { } while (0)