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arm-trusted-firmware / plat / arm / board / fvp / sp_min / fvp_sp_min_setup.c
@dp-arm dp-arm on 3 May 2017 915 bytes Use SPDX license identifiers
/*
 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <plat_arm.h>
#include "../fvp_private.h"

void sp_min_early_platform_setup(void *from_bl2,
		void *plat_params_from_bl2)
{
	arm_sp_min_early_platform_setup(from_bl2, plat_params_from_bl2);

	/* Initialize the platform config for future decision making */
	fvp_config_setup();

	/*
	 * Initialize the correct interconnect for this cluster during cold
	 * boot. No need for locks as no other CPU is active.
	 */
	fvp_interconnect_init();

	/*
	 * Enable coherency in interconnect for the primary CPU's cluster.
	 * Earlier bootloader stages might already do this (e.g. Trusted
	 * Firmware's BL1 does it) but we can't assume so. There is no harm in
	 * executing this code twice anyway.
	 * FVP PSCI code will enable coherency for other clusters.
	 */
	fvp_interconnect_enable();
}