1 /*
2 * Copyright (c) 2021-2024, Arm Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <common/bl_common.h>
10
11 #include <drivers/generic_delay_timer.h>
12 #include <drivers/io/io_storage.h>
13 #include <plat/common/platform.h>
14 #include <plat/arm/common/arm_fconf_getter.h>
15 #include <plat/arm/common/arm_fconf_io_storage.h>
16 #include <plat/arm/common/plat_arm.h>
17 #include <platform_def.h>
18
19 /*
20 * Table of regions to map using the MMU.
21 * Replace or extend the below regions as required
22 */
23
24 const mmap_region_t plat_arm_mmap[] = {
25 ARM_MAP_SHARED_RAM,
26 ARM_MAP_NS_DRAM1,
27 CORSTONE1000_MAP_DEVICE,
28 CORSTONE1000_EXTERNAL_FLASH,
29 #ifdef CORSTONE1000_CORTEX_A320
30 ARM_MAP_ETHOS_U85,
31 ARM_MAP_NONSECURE_SRAM,
32 #endif
33 {0}
34 };
35
set_fip_image_source(void)36 static void set_fip_image_source(void)
37 {
38 const struct plat_io_policy *policy;
39 policy = FCONF_GET_PROPERTY(arm, io_policies, FIP_IMAGE_ID);
40
41 assert(policy != NULL);
42 assert(policy->image_spec != 0UL);
43
44 /* FIP Partition contains Signature area at the beginning which TF-A doesn't expect */
45 io_block_spec_t *spec = (io_block_spec_t *)policy->image_spec;
46 spec->offset += FIP_SIGNATURE_AREA_SIZE;
47 spec->length -= FIP_SIGNATURE_AREA_SIZE;
48
49 }
50
bl2_platform_setup(void)51 void bl2_platform_setup(void)
52 {
53 arm_bl2_platform_setup();
54 /*
55 * Identify the start address of the FIP by reading the boot
56 * index flag from the flash.
57 */
58 set_fip_image_source();
59 }
60
61 /* corstone1000 only has one always-on power domain and there
62 * is no power control present
63 */
plat_arm_pwrc_setup(void)64 void __init plat_arm_pwrc_setup(void)
65 {
66 }
67
plat_get_syscnt_freq2(void)68 unsigned int plat_get_syscnt_freq2(void)
69 {
70 /* Returning the Generic Timer Frequency */
71 return SYS_COUNTER_FREQ_IN_TICKS;
72 }
73
74
75 /*
76 * Helper function to initialize ARM interconnect driver.
77 */
plat_arm_interconnect_init(void)78 void plat_arm_interconnect_init(void)
79 {
80 }
81
82 /*
83 * Helper function to place current master into coherency
84 */
plat_arm_interconnect_enter_coherency(void)85 void plat_arm_interconnect_enter_coherency(void)
86 {
87 }
88
89 /*
90 * Helper function to remove current master from coherency
91 */
plat_arm_interconnect_exit_coherency(void)92 void plat_arm_interconnect_exit_coherency(void)
93 {
94 }
95
96 /*
97 * This function is invoked during Mbed TLS library initialisation to get a heap
98 * The function simply returns the default allocated heap.
99 */
100
101 #if TRUSTED_BOARD_BOOT
plat_get_mbedtls_heap(void ** heap_addr,size_t * heap_size)102 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
103 {
104 assert(heap_addr != NULL);
105 assert(heap_size != NULL);
106
107 return arm_get_mbedtls_heap(heap_addr, heap_size);
108 }
109 #endif
110