1 /*
2  * Copyright (c) 2022, MediaTek Inc. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef MTK_MMAP_POOL_H
8 #define MTK_MMAP_POOL_H
9 
10 #include <cdefs.h>
11 #include <lib/xlat_tables/xlat_tables_compat.h>
12 
13 struct mtk_mmap_descriptor {
14 	const char *mmap_name;
15 	const mmap_region_t *mmap_ptr;
16 	const uint32_t mmap_size;
17 };
18 
19 #define MTK_MMAP_SECTION \
20 	__used \
21 	__aligned(sizeof(void *)) \
22 	__section(".mtk_mmap_lists")
23 
24 #define DECLARE_MTK_MMAP_REGIONS(_mmap_array) \
25 	static const struct mtk_mmap_descriptor _mtk_mmap_descriptor_##_mmap_array \
26 	__used \
27 	__aligned(sizeof(void *)) \
28 	__section(".mtk_mmap_pool") \
29 	= { \
30 		.mmap_name = #_mmap_array, \
31 		.mmap_ptr = _mmap_array, \
32 		.mmap_size = ARRAY_SIZE(_mmap_array) \
33 	}
34 
35 #define MAP_BL_RW MAP_REGION_FLAT( \
36 		DATA_START, \
37 		BL_END - DATA_START, \
38 		MT_MEMORY | MT_RW | MT_SECURE)
39 
40 #if SEPARATE_CODE_AND_RODATA
41 #define MAP_BL_RO \
42 	MAP_REGION_FLAT( \
43 		BL_CODE_BASE, \
44 		BL_CODE_END - BL_CODE_BASE, \
45 		MT_CODE | MT_SECURE), \
46 	MAP_REGION_FLAT( \
47 		BL_RO_DATA_BASE, \
48 		BL_RO_DATA_END - BL_RO_DATA_BASE, \
49 		MT_RO_DATA | MT_SECURE)
50 #else
51 #define MAP_BL_RO MAP_REGION_FLAT(BL_CODE_BASE, \
52 				  BL_CODE_END - BL_CODE_BASE,	\
53 				  MT_CODE | MT_SECURE)
54 #endif
55 
56 void mtk_xlat_init(const mmap_region_t *bl_regions);
57 
58 #endif /* MTK_MMAP_POOL_H */
59