1 /*
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2024, Arm Limited. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification,
7 * are permitted provided that the following conditions are met:
8 * - Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 * - Redistributions in binary form must reproduce the above copyright notice, this
11 * list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 * - Neither the name of ARM nor the names of its contributors may be used to
14 * endorse or promote products derived from this software without specific prior
15 * written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 #include "target_cfg.h"
31 #include "Driver_MPC.h"
32 #include "device_definition.h"
33 #include "region_defs.h"
34 #include "region.h"
35 #include "cmsis_driver_config.h"
36 #include "target_cfg.h"
37 #include "boot_hal.h"
38 #include "Driver_Flash.h"
39 #include "flash_layout.h"
40
41 /* Import MPC driver */
42 extern ARM_DRIVER_MPC Driver_MRAM_MPC;
43 extern ARM_DRIVER_MPC Driver_ISRAM0_MPC, Driver_ISRAM1_MPC;
44 extern ARM_DRIVER_MPC Driver_ISRAM2_MPC, Driver_ISRAM3_MPC;
45 extern ARM_DRIVER_FLASH Driver_FLASH0;
46
47 REGION_DECLARE(Image$$, ER_DATA, $$Base)[];
48 REGION_DECLARE(Image$$, ARM_LIB_HEAP, $$ZI$$Limit)[];
49 REGION_DECLARE(Image$$, ARM_LIB_STACK, $$ZI$$Base);
50
51 #if defined(__ICCARM__)
52 #pragma required = ER_DATA$$Base
53 #pragma required = ARM_LIB_HEAP$$Limit
54 #endif
55
56 /* bootloader platform-specific hw initialization */
boot_platform_init(void)57 int32_t boot_platform_init(void)
58 {
59 int32_t result;
60
61 ARM_DRIVER_MPC* mpc_data_region2 = &Driver_ISRAM2_MPC;
62 ARM_DRIVER_MPC* mpc_data_region3 = &Driver_ISRAM3_MPC;
63
64 /* Rever MPC configuration */
65 Driver_MRAM_MPC.Initialize();
66 Driver_MRAM_MPC.ConfigRegion(MPC_MRAM_RANGE_BASE_S,
67 MPC_MRAM_RANGE_LIMIT_S,
68 ARM_MPC_ATTR_SECURE);
69
70 mpc_data_region2->Initialize();
71 mpc_data_region2->ConfigRegion(MPC_ISRAM2_RANGE_BASE_S,
72 MPC_ISRAM2_RANGE_LIMIT_S,
73 ARM_MPC_ATTR_SECURE);
74
75 mpc_data_region3->Initialize();
76 mpc_data_region3->ConfigRegion(MPC_ISRAM3_RANGE_BASE_S,
77 MPC_ISRAM3_RANGE_LIMIT_S,
78 ARM_MPC_ATTR_SECURE);
79
80 /* Add barriers to assure the MPC configuration is done before continue
81 * the execution.
82 */
83 __DSB();
84 __ISB();
85
86 /* Initialize stack limit register */
87 uint32_t msp_stack_bottom =
88 (uint32_t)®ION_NAME(Image$$, ARM_LIB_STACK, $$ZI$$Base);
89
90 __set_MSPLIM(msp_stack_bottom);
91
92 result = FLASH_DEV_NAME.Initialize(NULL);
93 if (result != ARM_DRIVER_OK) {
94 return 1;
95 }
96
97 return 0;
98 }
99
