1 /*
2  * Copyright (c) 2019-2021 Arm Limited. All rights reserved.
3  * Copyright (c) 2020 Cypress Semiconductor Corporation. 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 __FLASH_LAYOUT_H__
19 #define __FLASH_LAYOUT_H__
20 
21 /* Use the QSPI as boot flash
22  *
23  * QSPI MPC BLK_CFG register value is 0xD.
24  * Thus QSPI MPC Block size is 256 KB = 2 ^ (0xD + 5).
25  */
26 
27 /* The addresses used in the following layout are all NS alias
28  * Flash layout on MPS3 AN524 with BL2 (single image boot):
29  *
30  * 0x0000_0000 BL2 - MCUBoot            (256 KB)
31  * Primary image area:
32  *     0x0004_0000 Secure image         (512 KB)
33  *     0x000C_0000 Non-secure image     (256 KB)
34  * Secondary image area:
35  *     0x0010_0000 Secure image         (512 KB)
36  *     0x0018_0000 Non-secure image     (256 KB)
37  * 0x001C_0000 PS area                  (20 KB)
38  * 0x001C_5000 ITS area                 (16 KB)
39  * 0x001C_9000 OTP / NV counters area   (8 KB)
40  * 0x001C_B000 Unused
41  *
42  * Flash layout without BL2
43  *
44  * 0x0000_0000 Secure image             (512 KB)
45  * 0x000C_0000 Non-secure image         (256 KB)
46  * 0x001C_0000 PS area                  (20 KB)
47  * 0x001C_5000 ITS area                 (16 KB)
48  * 0x001C_9000 OTP / NV counters area   (8 KB)
49  * 0x001C_B000 Unused
50  */
51 
52 /* Size of a Secure and of a Non-secure image */
53 #define FLASH_S_PARTITION_SIZE          (0x80000) /* S partition: 512 KB */
54 #define FLASH_NS_PARTITION_SIZE         (0x40000) /* NS partition: 256 KB */
55 #define FLASH_MAX_PARTITION_SIZE        ((FLASH_S_PARTITION_SIZE >   \
56                                           FLASH_NS_PARTITION_SIZE) ? \
57                                          FLASH_S_PARTITION_SIZE :    \
58                                          FLASH_NS_PARTITION_SIZE)
59 
60 /* Sector size of the flash hardware; same as FLASH0_SECTOR_SIZE */
61 #define FLASH_AREA_IMAGE_SECTOR_SIZE    (0x1000)   /* 4 KB */
62 /* Same as FLASH0_SIZE */
63 #define FLASH_TOTAL_SIZE                (0x800000) /* 8 MB */
64 
65 /* Flash base info for BL2 bootloader */
66 #define FLASH_BASE_ADDRESS              (0x10000000)
67 
68 /* Offset to QSPI base */
69 #define FLASH_AREA_BL2_OFFSET      (0x0)
70 #define FLASH_AREA_BL2_SIZE        (0x40000)     /* 256 KB */
71 
72 #if !defined(MCUBOOT_IMAGE_NUMBER) || (MCUBOOT_IMAGE_NUMBER == 1)
73 /* Secure + Non-secure image primary slot */
74 #define FLASH_AREA_0_ID            (1)
75 #define FLASH_AREA_0_OFFSET        (FLASH_AREA_BL2_OFFSET + FLASH_AREA_BL2_SIZE)
76 #define FLASH_AREA_0_SIZE          (FLASH_S_PARTITION_SIZE + \
77                                     FLASH_NS_PARTITION_SIZE)
78 /* Secure + Non-secure secondary slot */
79 #define FLASH_AREA_2_ID            (FLASH_AREA_0_ID + 1)
80 #define FLASH_AREA_2_OFFSET        (FLASH_AREA_0_OFFSET + FLASH_AREA_0_SIZE)
81 #define FLASH_AREA_2_SIZE          (FLASH_S_PARTITION_SIZE + \
82                                     FLASH_NS_PARTITION_SIZE)
83 /* Not used, only the Non-swapping firmware upgrade operation
84  * is supported on AN524.
85  */
86 #define FLASH_AREA_SCRATCH_ID      (FLASH_AREA_2_ID + 1)
87 #define FLASH_AREA_SCRATCH_OFFSET  (FLASH_AREA_2_OFFSET + FLASH_AREA_2_SIZE)
88 #define FLASH_AREA_SCRATCH_SIZE    (0)
89 /* Maximum number of image sectors supported by the bootloader. */
90 #define MCUBOOT_MAX_IMG_SECTORS    ((FLASH_S_PARTITION_SIZE + \
91                                      FLASH_NS_PARTITION_SIZE) / \
92                                     FLASH_AREA_IMAGE_SECTOR_SIZE)
93 #elif (MCUBOOT_IMAGE_NUMBER == 2)
94 /* Secure image primary slot */
95 #define FLASH_AREA_0_ID            (1)
96 #define FLASH_AREA_0_OFFSET        (FLASH_AREA_BL2_OFFSET + FLASH_AREA_BL2_SIZE)
97 #define FLASH_AREA_0_SIZE          (FLASH_S_PARTITION_SIZE)
98 /* Non-secure image primary slot */
99 #define FLASH_AREA_1_ID            (FLASH_AREA_0_ID + 1)
100 #define FLASH_AREA_1_OFFSET        (FLASH_AREA_0_OFFSET + FLASH_AREA_0_SIZE)
101 #define FLASH_AREA_1_SIZE          (FLASH_NS_PARTITION_SIZE)
102 /* Secure image secondary slot */
103 #define FLASH_AREA_2_ID            (FLASH_AREA_1_ID + 1)
104 #define FLASH_AREA_2_OFFSET        (FLASH_AREA_1_OFFSET + FLASH_AREA_1_SIZE)
105 #define FLASH_AREA_2_SIZE          (FLASH_S_PARTITION_SIZE)
106 /* Non-secure image secondary slot */
107 #define FLASH_AREA_3_ID            (FLASH_AREA_2_ID + 1)
108 #define FLASH_AREA_3_OFFSET        (FLASH_AREA_2_OFFSET + FLASH_AREA_2_SIZE)
109 #define FLASH_AREA_3_SIZE          (FLASH_NS_PARTITION_SIZE)
110 /* Not used, only the Non-swapping firmware upgrade operation
111  * is supported on AN524.
112  */
113 #define FLASH_AREA_SCRATCH_ID      (FLASH_AREA_3_ID + 1)
114 #define FLASH_AREA_SCRATCH_OFFSET  (FLASH_AREA_3_OFFSET + FLASH_AREA_3_SIZE)
115 #define FLASH_AREA_SCRATCH_SIZE    (0)
116 /* Maximum number of image sectors supported by the bootloader. */
117 #define MCUBOOT_MAX_IMG_SECTORS    (FLASH_MAX_PARTITION_SIZE / \
118                                     FLASH_AREA_IMAGE_SECTOR_SIZE)
119 #else /* MCUBOOT_IMAGE_NUMBER > 2 */
120 #error "Only MCUBOOT_IMAGE_NUMBER 1 and 2 are supported!"
121 #endif /* MCUBOOT_IMAGE_NUMBER */
122 
123 /* Not used, only the Non-swapping firmware upgrade operation
124  * is supported on AN524. The maximum number of status entries
125  * supported by the bootloader.
126  */
127 #define MCUBOOT_STATUS_MAX_ENTRIES      (0)
128 
129 /* Protected Storage (PS) Service definitions */
130 #define FLASH_PS_AREA_OFFSET            (FLASH_AREA_SCRATCH_OFFSET + \
131                                          FLASH_AREA_SCRATCH_SIZE)
132 #define FLASH_PS_AREA_SIZE              (0x5000)   /* 20 KB */
133 
134 /* Internal Trusted Storage (ITS) Service definitions */
135 #define FLASH_ITS_AREA_OFFSET           (FLASH_PS_AREA_OFFSET + \
136                                          FLASH_PS_AREA_SIZE)
137 #define FLASH_ITS_AREA_SIZE             (0x4000)   /* 16 KB */
138 
139 /* OTP_definitions */
140 #define FLASH_OTP_NV_COUNTERS_AREA_OFFSET (FLASH_ITS_AREA_OFFSET + \
141                                            FLASH_ITS_AREA_SIZE)
142 #define FLASH_OTP_NV_COUNTERS_AREA_SIZE   (FLASH_AREA_IMAGE_SECTOR_SIZE * 2)
143 #define FLASH_OTP_NV_COUNTERS_SECTOR_SIZE FLASH_AREA_IMAGE_SECTOR_SIZE
144 
145 /* Offset and size definition in flash area used by assemble.py */
146 #define SECURE_IMAGE_OFFSET             (0x0)
147 #define SECURE_IMAGE_MAX_SIZE           FLASH_S_PARTITION_SIZE
148 
149 #define NON_SECURE_IMAGE_OFFSET         (SECURE_IMAGE_OFFSET + \
150                                          SECURE_IMAGE_MAX_SIZE)
151 #define NON_SECURE_IMAGE_MAX_SIZE       FLASH_NS_PARTITION_SIZE
152 
153 /* Flash device name used by BL2
154  * Name is defined in flash driver file: Driver_Flash.c
155  */
156 #define FLASH_DEV_NAME Driver_FLASH0
157 /* Smallest flash programmable unit in bytes */
158 #define TFM_HAL_FLASH_PROGRAM_UNIT       (0x4)
159 
160 /* Protected Storage (PS) Service definitions
161  * Note: Further documentation of these definitions can be found in the
162  * TF-M PS Integration Guide.
163  */
164 #define TFM_HAL_PS_FLASH_DRIVER Driver_FLASH0
165 
166 /* In this target the CMSIS driver requires only the offset from the base
167  * address instead of the full memory address.
168  */
169 /* Base address of dedicated flash area for PS */
170 #define TFM_HAL_PS_FLASH_AREA_ADDR    FLASH_PS_AREA_OFFSET
171 /* Size of dedicated flash area for PS */
172 #define TFM_HAL_PS_FLASH_AREA_SIZE    FLASH_PS_AREA_SIZE
173 #define PS_RAM_FS_SIZE                TFM_HAL_PS_FLASH_AREA_SIZE
174 /* Number of physical erase sectors per logical FS block */
175 #define TFM_HAL_PS_SECTORS_PER_BLOCK  (1)
176 /* Smallest flash programmable unit in bytes */
177 #define TFM_HAL_PS_PROGRAM_UNIT       (0x1)
178 
179 /* Internal Trusted Storage (ITS) Service definitions
180  * Note: Further documentation of these definitions can be found in the
181  * TF-M ITS Integration Guide. The ITS should be in the internal flash, but is
182  * allocated in the external flash just for development platforms that don't
183  * have internal flash available.
184  */
185 #define TFM_HAL_ITS_FLASH_DRIVER Driver_FLASH0
186 
187 /* In this target the CMSIS driver requires only the offset from the base
188  * address instead of the full memory address.
189  */
190 /* Base address of dedicated flash area for ITS */
191 #define TFM_HAL_ITS_FLASH_AREA_ADDR    FLASH_ITS_AREA_OFFSET
192 /* Size of dedicated flash area for ITS */
193 #define TFM_HAL_ITS_FLASH_AREA_SIZE    FLASH_ITS_AREA_SIZE
194 #define ITS_RAM_FS_SIZE                TFM_HAL_ITS_FLASH_AREA_SIZE
195 /* Number of physical erase sectors per logical FS block */
196 #define TFM_HAL_ITS_SECTORS_PER_BLOCK  (1)
197 /* Smallest flash programmable unit in bytes */
198 #define TFM_HAL_ITS_PROGRAM_UNIT       (0x1)
199 
200 /* OTP / NV counter definitions */
201 #define TFM_OTP_NV_COUNTERS_AREA_SIZE   (FLASH_OTP_NV_COUNTERS_AREA_SIZE / 2)
202 #define TFM_OTP_NV_COUNTERS_AREA_ADDR   FLASH_OTP_NV_COUNTERS_AREA_OFFSET
203 #define TFM_OTP_NV_COUNTERS_SECTOR_SIZE FLASH_OTP_NV_COUNTERS_SECTOR_SIZE
204 #define TFM_OTP_NV_COUNTERS_BACKUP_AREA_ADDR (TFM_OTP_NV_COUNTERS_AREA_ADDR + \
205                                               TFM_OTP_NV_COUNTERS_AREA_SIZE)
206 
207 /* Use Internal SRAM0~3 to store RW data
208  * ISRAM0 and ISRAM1 for Secure Data
209  * ISRAM2 and ISRAM3 for Non-Secure Data
210  */
211 #define S_ROM_ALIAS_BASE  (0x10000000)
212 #define NS_ROM_ALIAS_BASE (0x00000000)
213 
214 #define S_RAM_ALIAS_BASE  (0x30000000)
215 #define NS_RAM_ALIAS_BASE (0x20000000)
216 
217 #define TOTAL_RAM_SIZE (0x20000)     /* 128 KB */
218 
219 #endif /* __FLASH_LAYOUT_H__ */
220