1 /*
2 * Copyright (c) 2018-2024, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <drivers/arm/css/sds.h>
10 #include <drivers/arm/sbsa.h>
11 #include <lib/utils_def.h>
12 #include <plat/arm/common/plat_arm.h>
13
14 #include "n1sdp_def.h"
15
16 /*
17 * Table of regions to map using the MMU.
18 * Replace or extend the below regions as required
19 */
20
21 #if IMAGE_BL1
22 const mmap_region_t plat_arm_mmap[] = {
23 ARM_MAP_SHARED_RAM,
24 N1SDP_MAP_DEVICE,
25 N1SDP_MAP_NS_SRAM,
26 ARM_MAP_DRAM1,
27 {0}
28 };
29 #endif
30
31 #if IMAGE_BL2
32 const mmap_region_t plat_arm_mmap[] = {
33 ARM_MAP_SHARED_RAM,
34 N1SDP_MAP_DEVICE,
35 N1SDP_MAP_NS_SRAM,
36 ARM_MAP_DRAM1,
37 ARM_MAP_DRAM2,
38 #if TRUSTED_BOARD_BOOT && !RESET_TO_BL2
39 ARM_MAP_BL1_RW,
40 #endif
41 {0}
42 };
43 #endif
44
45 #if IMAGE_BL31
46 const mmap_region_t plat_arm_mmap[] = {
47 ARM_MAP_SHARED_RAM,
48 N1SDP_MAP_DEVICE,
49 N1SDP_MAP_NS_SRAM,
50 N1SDP_MAP_REMOTE_DEVICE,
51 N1SDP_MAP_REMOTE_DRAM1,
52 N1SDP_MAP_REMOTE_DRAM2,
53 {0}
54 };
55 #endif
56
57 #if TRUSTED_BOARD_BOOT
plat_get_mbedtls_heap(void ** heap_addr,size_t * heap_size)58 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
59 {
60 assert(heap_addr != NULL);
61 assert(heap_size != NULL);
62
63 return arm_get_mbedtls_heap(heap_addr, heap_size);
64 }
65 #endif
66
plat_arm_secure_wdt_start(void)67 void plat_arm_secure_wdt_start(void)
68 {
69 sbsa_wdog_start(SBSA_SECURE_WDOG_BASE, SBSA_SECURE_WDOG_TIMEOUT);
70 }
71
plat_arm_secure_wdt_stop(void)72 void plat_arm_secure_wdt_stop(void)
73 {
74 sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
75 }
76
77 #if CSS_USE_SCMI_SDS_DRIVER
78 static sds_region_desc_t n1sdp_sds_regions[] = {
79 { .base = PLAT_ARM_SDS_MEM_BASE },
80 };
81
plat_sds_get_regions(unsigned int * region_count)82 sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
83 {
84 *region_count = ARRAY_SIZE(n1sdp_sds_regions);
85
86 return n1sdp_sds_regions;
87 }
88 #endif /* CSS_USE_SCMI_SDS_DRIVER */
89