1 /*
2  * Copyright (c) 2021-2023, 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_SHARED_RAM,
27 	ARM_MAP_NS_DRAM1,
28 	CORSTONE1000_MAP_DEVICE,
29 	CORSTONE1000_EXTERNAL_FLASH,
30 	{0}
31 };
32 
set_fip_image_source(void)33 static void set_fip_image_source(void)
34 {
35 	const struct plat_io_policy *policy;
36 	policy = FCONF_GET_PROPERTY(arm, io_policies, FIP_IMAGE_ID);
37 
38 	assert(policy != NULL);
39 	assert(policy->image_spec != 0UL);
40 
41 	/* FIP Partition contains Signature area at the beginning which TF-A doesn't expect */
42 	io_block_spec_t *spec = (io_block_spec_t *)policy->image_spec;
43 	spec->offset += FIP_SIGNATURE_AREA_SIZE;
44 	spec->length -= FIP_SIGNATURE_AREA_SIZE;
45 
46 }
47 
bl2_platform_setup(void)48 void bl2_platform_setup(void)
49 {
50 	arm_bl2_platform_setup();
51 	/*
52 	 * Identify the start address of the FIP by reading the boot
53 	 * index flag from the flash.
54 	 */
55 	set_fip_image_source();
56 }
57 
58 /* corstone1000 only has one always-on power domain and there
59  * is no power control present
60  */
plat_arm_pwrc_setup(void)61 void __init plat_arm_pwrc_setup(void)
62 {
63 }
64 
plat_get_syscnt_freq2(void)65 unsigned int plat_get_syscnt_freq2(void)
66 {
67 	/* Returning the Generic Timer Frequency */
68 	return SYS_COUNTER_FREQ_IN_TICKS;
69 }
70 
71 
72 /*
73  * Helper function to initialize ARM interconnect driver.
74  */
plat_arm_interconnect_init(void)75 void plat_arm_interconnect_init(void)
76 {
77 }
78 
79 /*
80  * Helper function to place current master into coherency
81  */
plat_arm_interconnect_enter_coherency(void)82 void plat_arm_interconnect_enter_coherency(void)
83 {
84 }
85 
86 /*
87  * Helper function to remove current master from coherency
88  */
plat_arm_interconnect_exit_coherency(void)89 void plat_arm_interconnect_exit_coherency(void)
90 {
91 }
92 
93 /*
94  * This function is invoked during Mbed TLS library initialisation to get a heap
95  * The function simply returns the default allocated heap.
96  */
97 
98 #if TRUSTED_BOARD_BOOT
plat_get_mbedtls_heap(void ** heap_addr,size_t * heap_size)99 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
100 {
101 	assert(heap_addr != NULL);
102 	assert(heap_size != NULL);
103 
104 	return arm_get_mbedtls_heap(heap_addr, heap_size);
105 }
106 #endif
107