1 /*
2  * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <stdbool.h>
8 
9 #include <arch.h>
10 #include <arch_helpers.h>
11 #include <lib/extensions/trf.h>
12 
trf_init_el3(void)13 void trf_init_el3(void)
14 {
15 	uint32_t val;
16 
17 	/*
18 	 * Allow access of trace filter control registers from
19 	 * non-monitor mode.
20 	 */
21 	val = read_sdcr();
22 	val &= ~(SDCR_TTRF_BIT);
23 	write_sdcr(val);
24 }
25