plat/arm/board/corstone1000/common/corstone1000_plat.c

/*
 * Copyright (c) 2021-2023, Arm Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <assert.h>

#include <common/bl_common.h>

#include <drivers/generic_delay_timer.h>
#include <drivers/io/io_storage.h>
#include <plat/common/platform.h>
#include <plat/arm/common/arm_fconf_getter.h>
#include <plat/arm/common/arm_fconf_io_storage.h>
#include <plat/arm/common/plat_arm.h>
#include <platform_def.h>

/*
 * Table of regions to map using the MMU.
 * Replace or extend the below regions as required
 */

const mmap_region_t plat_arm_mmap[] = {
	ARM_MAP_SHARED_RAM,
	ARM_MAP_NS_SHARED_RAM,
	ARM_MAP_NS_DRAM1,
	CORSTONE1000_MAP_DEVICE,
	CORSTONE1000_EXTERNAL_FLASH,
	{0}
};

static void set_fip_image_source(void)
{
	const struct plat_io_policy *policy;
	policy = FCONF_GET_PROPERTY(arm, io_policies, FIP_IMAGE_ID);

	assert(policy != NULL);
	assert(policy->image_spec != 0UL);

	/* FIP Partition contains Signature area at the beginning which TF-A doesn't expect */
	io_block_spec_t *spec = (io_block_spec_t *)policy->image_spec;
	spec->offset += FIP_SIGNATURE_AREA_SIZE;
	spec->length -= FIP_SIGNATURE_AREA_SIZE;

}

void bl2_platform_setup(void)
{
	arm_bl2_platform_setup();
	/*
	 * Identify the start address of the FIP by reading the boot
	 * index flag from the flash.
	 */
	set_fip_image_source();
}

/* corstone1000 only has one always-on power domain and there
 * is no power control present
 */
void __init plat_arm_pwrc_setup(void)
{
}

unsigned int plat_get_syscnt_freq2(void)
{
	/* Returning the Generic Timer Frequency */
	return SYS_COUNTER_FREQ_IN_TICKS;
}


/*
 * Helper function to initialize ARM interconnect driver.
 */
void plat_arm_interconnect_init(void)
{
}

/*
 * Helper function to place current master into coherency
 */
void plat_arm_interconnect_enter_coherency(void)
{
}

/*
 * Helper function to remove current master from coherency
 */
void plat_arm_interconnect_exit_coherency(void)
{
}

/*
 * This function is invoked during Mbed TLS library initialisation to get a heap
 * The function simply returns the default allocated heap.
 */

#if TRUSTED_BOARD_BOOT
int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
{
	assert(heap_addr != NULL);
	assert(heap_size != NULL);

	return arm_get_mbedtls_heap(heap_addr, heap_size);
}
#endif