xref: /rk3399_ARM-atf/plat/arm/board/corstone1000/common/corstone1000_plat.c (revision 1e967fb63ad1b581f0014554a6412d42a89a1cfc)
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