1 /*
2 * Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <common/debug.h>
8 #include <plat/arm/common/plat_arm.h>
9 #include <platform_def.h>
10
11 static const arm_tzc_regions_info_t tzc_regions[] = {
12 ARM_TZC_REGIONS_DEF,
13 {}
14 };
15
16 #if (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 1)
17 static const arm_tzc_regions_info_t tzc_regions_mc[][CSS_SGI_CHIP_COUNT - 1] = {
18 {
19 /* TZC memory regions for second chip */
20 SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(1),
21 {}
22 },
23 #if CSS_SGI_CHIP_COUNT > 2
24 {
25 /* TZC memory regions for third chip */
26 SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(2),
27 {}
28 },
29 #endif
30 #if CSS_SGI_CHIP_COUNT > 3
31 {
32 /* TZC memory regions for fourth chip */
33 SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(3),
34 {}
35 },
36 #endif
37 };
38 #endif /* CSS_SGI_PLATFORM_VARIANT && CSS_SGI_CHIP_COUNT */
39
40 /* Initialize the secure environment */
plat_arm_security_setup(void)41 void plat_arm_security_setup(void)
42 {
43 unsigned int i;
44
45 INFO("Configuring TrustZone Controller for Chip 0\n");
46
47 for (i = 0; i < TZC400_COUNT; i++) {
48 arm_tzc400_setup(TZC400_BASE(i), tzc_regions);
49 }
50
51 #if (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 1)
52 unsigned int j;
53
54 for (i = 1; i < CSS_SGI_CHIP_COUNT; i++) {
55 INFO("Configuring TrustZone Controller for Chip %u\n", i);
56
57 for (j = 0; j < TZC400_COUNT; j++) {
58 arm_tzc400_setup(CSS_SGI_REMOTE_CHIP_MEM_OFFSET(i)
59 + TZC400_BASE(j), tzc_regions_mc[i-1]);
60 }
61 }
62 #endif
63 }
64