1 /*
2 * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <platform_def.h>
10
11 #include <arch_helpers.h>
12 #include <common/bl_common.h>
13 #include <common/debug.h>
14 #include <lib/mmio.h>
15 #include <lib/xlat_tables/xlat_tables_v2.h>
16 #include <plat/common/platform.h>
17
18 #include "../hikey960_def.h"
19 #include "../hikey960_private.h"
20
21 #define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \
22 DDR_SIZE - DDR_SEC_SIZE, \
23 MT_MEMORY | MT_RW | MT_NS)
24
25 #define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \
26 DEVICE_SIZE, \
27 MT_DEVICE | MT_RW | MT_SECURE)
28
29 #define MAP_BL1_RW MAP_REGION_FLAT(BL1_RW_BASE, \
30 BL1_RW_LIMIT - BL1_RW_BASE, \
31 MT_MEMORY | MT_RW | MT_NS)
32
33 #define MAP_UFS_DATA MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE, \
34 HIKEY960_UFS_DATA_SIZE, \
35 MT_MEMORY | MT_RW | MT_NS)
36
37 #define MAP_UFS_DESC MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE, \
38 HIKEY960_UFS_DESC_SIZE, \
39 MT_MEMORY | MT_RW | MT_NS)
40
41 #define MAP_TSP_MEM MAP_REGION_FLAT(TSP_SEC_MEM_BASE, \
42 TSP_SEC_MEM_SIZE, \
43 MT_MEMORY | MT_RW | MT_SECURE)
44
45 /*
46 * Table of regions for different BL stages to map using the MMU.
47 * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
48 * hikey960_init_mmu_elx() will give the available subset of that,
49 */
50 #ifdef IMAGE_BL1
51 static const mmap_region_t hikey960_mmap[] = {
52 MAP_UFS_DATA,
53 MAP_BL1_RW,
54 MAP_UFS_DESC,
55 MAP_DEVICE,
56 {0}
57 };
58 #endif
59
60 #ifdef IMAGE_BL2
61 static const mmap_region_t hikey960_mmap[] = {
62 MAP_DDR,
63 MAP_DEVICE,
64 MAP_TSP_MEM,
65 {0}
66 };
67 #endif
68
69 #ifdef IMAGE_BL31
70 static const mmap_region_t hikey960_mmap[] = {
71 MAP_DEVICE,
72 {0}
73 };
74 #endif
75
76 #ifdef IMAGE_BL32
77 static const mmap_region_t hikey960_mmap[] = {
78 MAP_DEVICE,
79 MAP_DDR,
80 {0}
81 };
82 #endif
83
84 /*
85 * Macro generating the code for the function setting up the pagetables as per
86 * the platform memory map & initialize the mmu, for the given exception level
87 */
88 #define HIKEY960_CONFIGURE_MMU_EL(_el) \
89 void hikey960_init_mmu_el##_el(unsigned long total_base, \
90 unsigned long total_size, \
91 unsigned long ro_start, \
92 unsigned long ro_limit, \
93 unsigned long coh_start, \
94 unsigned long coh_limit) \
95 { \
96 mmap_add_region(total_base, total_base, \
97 total_size, \
98 MT_MEMORY | MT_RW | MT_SECURE); \
99 mmap_add_region(ro_start, ro_start, \
100 ro_limit - ro_start, \
101 MT_MEMORY | MT_RO | MT_SECURE); \
102 mmap_add_region(coh_start, coh_start, \
103 coh_limit - coh_start, \
104 MT_DEVICE | MT_RW | MT_SECURE); \
105 mmap_add(hikey960_mmap); \
106 init_xlat_tables(); \
107 \
108 enable_mmu_el##_el(0); \
109 }
110
111 /* Define EL1 and EL3 variants of the function initialising the MMU */
112 HIKEY960_CONFIGURE_MMU_EL(1)
113 HIKEY960_CONFIGURE_MMU_EL(3)
114
plat_get_ns_image_entrypoint(void)115 unsigned long plat_get_ns_image_entrypoint(void)
116 {
117 return NS_BL1U_BASE;
118 }
119
plat_get_syscnt_freq2(void)120 unsigned int plat_get_syscnt_freq2(void)
121 {
122 return 1920000;
123 }
124
