k3_bl31_setup.c 1.84 KB
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/*
 * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <arch.h>
#include <arch_helpers.h>
#include <assert.h>
#include <bl_common.h>
#include <debug.h>
#include <platform_def.h>
#include <string.h>

/*******************************************************************************
 * Perform any BL3-1 early platform setup, such as console init and deciding on
 * memory layout.
 ******************************************************************************/
void bl31_early_platform_setup(bl31_params_t *from_bl2,
			       void *plat_params_from_bl2)
{
	/* There are no parameters from BL2 if BL31 is a reset vector */
	assert(from_bl2 == NULL);
	assert(plat_params_from_bl2 == NULL);
}

void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
				u_register_t arg2, u_register_t arg3)
{
	bl31_early_platform_setup((void *)arg0, (void *)arg1);
}

void bl31_plat_arch_setup(void)
{
	/* TODO: Initialize the MMU tables */
}

void bl31_platform_setup(void)
{
	/* TODO: Initialize the GIC CPU and distributor interfaces */
}

void platform_mem_init(void)
{
	/* Do nothing for now... */
}

/*
 * Empty function to prevent the console from being uninitialized after BL33 is
 * started and allow us to see messages from BL31.
 */
void bl31_plat_runtime_setup(void)
{
}

/*******************************************************************************
 * Return a pointer to the 'entry_point_info' structure of the next image
 * for the security state specified. BL3-3 corresponds to the non-secure
 * image type while BL3-2 corresponds to the secure image type. A NULL
 * pointer is returned if the image does not exist.
 ******************************************************************************/
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
	return NULL;
}