1 /*
2  * Copyright (c) 2017, Linaro Limited. and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 /*
8  * @file	zephyr/io.h
9  * @brief	Zephyr specific io definitions.
10  */
11 
12 #ifndef __METAL_IO__H__
13 #error "Include metal/io.h instead of metal/zephyr/io.h"
14 #endif
15 
16 #ifndef __METAL_ZEPHYR_IO__H__
17 #define __METAL_ZEPHYR_IO__H__
18 
19 #include <stdlib.h>
20 #include <metal/utilities.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 #ifdef METAL_INTERNAL
27 
28 /**
29  * @brief memory mapping for an I/O region
30  */
metal_sys_io_mem_map(struct metal_io_region * io)31 static inline void metal_sys_io_mem_map(struct metal_io_region *io)
32 {
33 	metal_unused(io);
34 }
35 
36 /**
37  * @brief memory mapping
38  */
metal_machine_io_mem_map(void * va,metal_phys_addr_t pa,size_t size,unsigned int flags)39 static inline void *metal_machine_io_mem_map(void *va, metal_phys_addr_t pa,
40 					     size_t size, unsigned int flags)
41 {
42 	metal_unused(pa);
43 	metal_unused(size);
44 	metal_unused(flags);
45 
46 	return va;
47 }
48 
49 #endif
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 #endif /* __METAL_ZEPHYR_IO__H__ */
56