xref: /arm-trusted-firmware/bl2/aarch64/bl2_arch_setup.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <arch.h>
8*91f16700Schasinglulu #include <arch_helpers.h>
9*91f16700Schasinglulu #include "../bl2_private.h"
10*91f16700Schasinglulu 
11*91f16700Schasinglulu /*******************************************************************************
12*91f16700Schasinglulu  * Place holder function to perform any S-EL1 specific architectural setup. At
13*91f16700Schasinglulu  * the moment there is nothing to do.
14*91f16700Schasinglulu  ******************************************************************************/
15*91f16700Schasinglulu void bl2_arch_setup(void)
16*91f16700Schasinglulu {
17*91f16700Schasinglulu 	/* Give access to FP/SIMD registers */
18*91f16700Schasinglulu 	write_cpacr(CPACR_EL1_FPEN(CPACR_EL1_FP_TRAP_NONE));
19*91f16700Schasinglulu }
20