1 /*
2  * Copyright (c) 2017-2022 Arm Limited. All rights reserved.
3  * Copyright (c) 2020 Nuvoton Technology Corp. All rights reserved.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef __REGION_DEFS_H__
19 #define __REGION_DEFS_H__
20 
21 #include "flash_layout.h"
22 
23 #define BL2_HEAP_SIZE           (0x0001000)
24 #define BL2_MSP_STACK_SIZE      (0x0001800)
25 
26 #ifdef ENABLE_HEAP
27     #define S_HEAP_SIZE             (0x0000200)
28 #endif
29 
30 #define S_MSP_STACK_SIZE        (0x0000800)
31 #define S_PSP_STACK_SIZE        (0x0000800)
32 
33 #define NS_HEAP_SIZE            (0x0001000)
34 #define NS_STACK_SIZE           (0x0001000)
35 
36 /* This size of buffer is big enough to store an attestation
37  * token produced by initial attestation service
38  */
39 #define PSA_INITIAL_ATTEST_TOKEN_MAX_SIZE   (0x250)
40 
41 /* MPC granularity is 128 KB on AN519 MPS2 FPGA image. Alignment
42  * of partitions is defined in accordance with this constraint.
43  */
44 
45 #ifdef BL2
46 #ifndef LINK_TO_SECONDARY_PARTITION
47 #define S_IMAGE_PRIMARY_PARTITION_OFFSET   (FLASH_AREA_0_OFFSET)
48 #define S_IMAGE_SECONDARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET)
49 #else
50 #error "No secondary partition supported!"
51 #endif /* !LINK_TO_SECONDARY_PARTITION */
52 #else
53 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (0x0)
54 #endif /* BL2 */
55 
56 #ifndef LINK_TO_SECONDARY_PARTITION
57 #define NS_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET + FLASH_S_PARTITION_SIZE)
58 #else
59 #error "No secondary partition supported!"
60 #endif /* !LINK_TO_SECONDARY_PARTITION */
61 
62 /* Boot partition structure if MCUBoot is used:
63  * 0x0_0000 Bootloader header
64  * 0x0_0400 Image area
65  * 0x7_0000 Trailer
66  */
67 /* IMAGE_CODE_SIZE is the space available for the software binary image.
68  * It is less than the FLASH_S_PARTITION_SIZE + FLASH_NS_PARTITION_SIZE
69  * because we reserve space for the image header and trailer introduced
70  * by the bootloader.
71  */
72 
73 #define IMAGE_S_CODE_SIZE    (FLASH_S_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE)
74 #define IMAGE_NS_CODE_SIZE   (FLASH_NS_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE)
75 
76 /* Alias definitions for secure and non-secure areas*/
77 #define S_ROM_ALIAS(x)  (S_ROM_ALIAS_BASE + (x))
78 #define NS_ROM_ALIAS(x) (NS_ROM_ALIAS_BASE + (x))
79 
80 #define S_RAM_ALIAS(x)  (S_RAM_ALIAS_BASE + (x))
81 #define NS_RAM_ALIAS(x) (NS_RAM_ALIAS_BASE + (x))
82 
83 /* Secure regions */
84 #define S_IMAGE_PRIMARY_AREA_OFFSET \
85                         (S_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE)       /* 0x8400 */
86 #define S_CODE_START    (S_ROM_ALIAS(S_IMAGE_PRIMARY_AREA_OFFSET))                 /* 0x8400 */
87 #define S_CODE_SIZE     (IMAGE_S_CODE_SIZE)
88 #define S_CODE_LIMIT    (S_CODE_START + S_CODE_SIZE - 1)
89 
90 #define S_DATA_START    (S_RAM_ALIAS(0x0))
91 #define S_DATA_SIZE     (80 * 1024)
92 #define S_DATA_LIMIT    (S_DATA_START + S_DATA_SIZE - 1)
93 
94 /* Size of vector table: 117 interrupt handlers + 4 bytes MPS initial value */
95 #define S_CODE_VECTOR_TABLE_SIZE    (0x1D8)
96 
97 /* Non-secure regions */
98 #define NS_IMAGE_PRIMARY_AREA_OFFSET \
99                         (NS_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE)
100 #define NS_CODE_START   (NS_ROM_ALIAS(NS_IMAGE_PRIMARY_AREA_OFFSET))
101 #define NS_CODE_SIZE    (IMAGE_NS_CODE_SIZE)
102 #define NS_CODE_LIMIT   (NS_CODE_START + NS_CODE_SIZE - 1)
103 
104 #define NS_DATA_START   (NS_RAM_ALIAS(S_DATA_SIZE))
105 #define NS_DATA_SIZE    (TOTAL_RAM_SIZE - S_DATA_SIZE)
106 #define NS_DATA_LIMIT   (NS_DATA_START + NS_DATA_SIZE - 1)
107 
108 /* NS partition information is used for MPC and SAU configuration */
109 #define NS_PARTITION_START \
110             (NS_ROM_ALIAS(NS_IMAGE_PRIMARY_PARTITION_OFFSET))
111 #define NS_PARTITION_SIZE (FLASH_NS_PARTITION_SIZE)
112 
113 /* Secondary partition for new images in case of firmware upgrade */
114 #define SECONDARY_PARTITION_START \
115             (NS_ROM_ALIAS(S_IMAGE_SECONDARY_PARTITION_OFFSET))
116 #define SECONDARY_PARTITION_SIZE (FLASH_S_PARTITION_SIZE + \
117                                   FLASH_NS_PARTITION_SIZE)
118 
119 #ifdef BL2
120 /* Bootloader regions */
121 #define BL2_CODE_START    (S_ROM_ALIAS(FLASH_AREA_BL2_OFFSET))
122 #define BL2_CODE_SIZE     (FLASH_AREA_BL2_SIZE)
123 #define BL2_CODE_LIMIT    (BL2_CODE_START + BL2_CODE_SIZE - 1)
124 
125 #define BL2_DATA_START    (S_RAM_ALIAS(0x0))
126 #define BL2_DATA_SIZE     (TOTAL_RAM_SIZE)
127 #define BL2_DATA_LIMIT    (BL2_DATA_START + BL2_DATA_SIZE - 1)
128 #endif /* BL2 */
129 
130 /* Shared data area between bootloader and runtime firmware.
131  * Shared data area is allocated at the beginning of the RAM, it is overlapping
132  * with TF-M Secure code's MSP stack
133  */
134 #define BOOT_TFM_SHARED_DATA_BASE S_RAM_ALIAS_BASE
135 #define BOOT_TFM_SHARED_DATA_SIZE (0x400)
136 #define BOOT_TFM_SHARED_DATA_LIMIT (BOOT_TFM_SHARED_DATA_BASE + BOOT_TFM_SHARED_DATA_SIZE - 1)
137 
138 #endif /* __REGION_DEFS_H__ */
139