xref: /arm-trusted-firmware/plat/mediatek/lib/mtk_init/mtk_mmap_init.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2022, MediaTek Inc. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <assert.h>
8*91f16700Schasinglulu #include <common/bl_common.h>
9*91f16700Schasinglulu #include <common/debug.h>
10*91f16700Schasinglulu #include <drivers/console.h>
11*91f16700Schasinglulu #include <lib/xlat_tables/xlat_tables_compat.h>
12*91f16700Schasinglulu #include <mtk_mmap_pool.h>
13*91f16700Schasinglulu 
14*91f16700Schasinglulu IMPORT_SYM(uintptr_t, __MTK_MMAP_POINTER_POOL_START__, MTK_MMAP_POINTER_POOL_START);
15*91f16700Schasinglulu IMPORT_SYM(uintptr_t, __MTK_MMAP_POINTER_POOL_END_UNALIGNED__, MTK_MMAP_POINTER_POOL_END_UNALIGNED);
16*91f16700Schasinglulu IMPORT_SYM(uintptr_t, __RW_START__, RW_START);
17*91f16700Schasinglulu IMPORT_SYM(uintptr_t, __DATA_START__, DATA_START);
18*91f16700Schasinglulu 
19*91f16700Schasinglulu #define MAP_MTK_SECTIONS MAP_REGION_FLAT(RW_START, \
20*91f16700Schasinglulu 					 DATA_START - RW_START, \
21*91f16700Schasinglulu 					 MT_MEMORY | MT_RO | MT_SECURE)
22*91f16700Schasinglulu 
23*91f16700Schasinglulu 
24*91f16700Schasinglulu static void print_mmap(const mmap_region_t *regions)
25*91f16700Schasinglulu {
26*91f16700Schasinglulu 	while (regions->size != 0U) {
27*91f16700Schasinglulu 		VERBOSE("Region: 0x%lx - 0x%lx has attributes 0x%x\n",
28*91f16700Schasinglulu 			regions->base_va,
29*91f16700Schasinglulu 			regions->base_va + regions->size,
30*91f16700Schasinglulu 			regions->attr);
31*91f16700Schasinglulu 		regions++;
32*91f16700Schasinglulu 	}
33*91f16700Schasinglulu }
34*91f16700Schasinglulu 
35*91f16700Schasinglulu void mtk_xlat_init(const mmap_region_t *bl_regions)
36*91f16700Schasinglulu {
37*91f16700Schasinglulu 	struct mtk_mmap_descriptor *iter;
38*91f16700Schasinglulu 	const mmap_region_t *regions = bl_regions;
39*91f16700Schasinglulu 
40*91f16700Schasinglulu 	print_mmap(regions);
41*91f16700Schasinglulu 	mmap_add(bl_regions);
42*91f16700Schasinglulu 	if (MTK_MMAP_POINTER_POOL_START != MTK_MMAP_POINTER_POOL_END_UNALIGNED) {
43*91f16700Schasinglulu 		for (iter = (struct mtk_mmap_descriptor *)MTK_MMAP_POINTER_POOL_START;
44*91f16700Schasinglulu 		     (char *)iter < (char *)MTK_MMAP_POINTER_POOL_END_UNALIGNED;
45*91f16700Schasinglulu 		     iter++) {
46*91f16700Schasinglulu 			regions = iter->mmap_ptr;
47*91f16700Schasinglulu 			INFO("mmap_name: %s\n", iter->mmap_name);
48*91f16700Schasinglulu 			INFO("mmap_size: 0x%x\n", iter->mmap_size);
49*91f16700Schasinglulu 			print_mmap(regions);
50*91f16700Schasinglulu 			mmap_add(regions);
51*91f16700Schasinglulu 		}
52*91f16700Schasinglulu 	}
53*91f16700Schasinglulu 	init_xlat_tables();
54*91f16700Schasinglulu 	enable_mmu_el3(0);
55*91f16700Schasinglulu }
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