1 /*
2 * Copyright (c) 2014-2022, Arm Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <plat/arm/common/arm_config.h>
8 #include <plat/arm/common/plat_arm.h>
9 #include <platform_def.h>
10
11 /*
12 * We assume that all security programming is done by the primary core.
13 */
plat_arm_security_setup(void)14 void plat_arm_security_setup(void)
15 {
16 /*
17 * The Base FVP has a TrustZone address space controller, the Foundation
18 * FVP does not. Trying to program the device on the foundation FVP will
19 * cause an abort.
20 *
21 * If the platform had additional peripheral specific security
22 * configurations, those would be configured here.
23 */
24
25 const arm_tzc_regions_info_t fvp_tzc_regions[] = {
26 ARM_TZC_REGIONS_DEF,
27 #if !SPM_MM && !ENABLE_RME
28 {FVP_DRAM3_BASE, FVP_DRAM3_END,
29 ARM_TZC_NS_DRAM_S_ACCESS, PLAT_ARM_TZC_NS_DEV_ACCESS},
30 {FVP_DRAM4_BASE, FVP_DRAM4_END,
31 ARM_TZC_NS_DRAM_S_ACCESS, PLAT_ARM_TZC_NS_DEV_ACCESS},
32 {FVP_DRAM5_BASE, FVP_DRAM5_END,
33 ARM_TZC_NS_DRAM_S_ACCESS, PLAT_ARM_TZC_NS_DEV_ACCESS},
34 {FVP_DRAM6_BASE, FVP_DRAM6_END,
35 ARM_TZC_NS_DRAM_S_ACCESS, PLAT_ARM_TZC_NS_DEV_ACCESS},
36 #endif
37 {0}
38 };
39
40 if ((get_arm_config()->flags & ARM_CONFIG_HAS_TZC) != 0U)
41 arm_tzc400_setup(PLAT_ARM_TZC_BASE, fvp_tzc_regions);
42 }
43