xref: /rk3399_ARM-atf/plat/xilinx/common/plat_clkfunc.c (revision f000744e0f501c89fb2240b47e91c261e3082249)
1*f000744eSPrasad Kummari /*
2*f000744eSPrasad Kummari  * Copyright (c) 2023-2024, Advanced Micro Devices, Inc. All rights reserved.
3*f000744eSPrasad Kummari  *
4*f000744eSPrasad Kummari  * SPDX-License-Identifier: BSD-3-Clause
5*f000744eSPrasad Kummari  */
6*f000744eSPrasad Kummari #include <common/debug.h>
7*f000744eSPrasad Kummari #include <plat/common/platform.h>
8*f000744eSPrasad Kummari 
9*f000744eSPrasad Kummari #include <platform_def.h>
10*f000744eSPrasad Kummari #include <plat_private.h>
11*f000744eSPrasad Kummari 
12*f000744eSPrasad Kummari void set_cnt_freq(void)
13*f000744eSPrasad Kummari {
14*f000744eSPrasad Kummari 	uint64_t counter_freq;
15*f000744eSPrasad Kummari 
16*f000744eSPrasad Kummari 	/* Configure counter frequency */
17*f000744eSPrasad Kummari 	counter_freq = read_cntfrq_el0();
18*f000744eSPrasad Kummari 	if (counter_freq == 0U) {
19*f000744eSPrasad Kummari 		write_cntfrq_el0(plat_get_syscnt_freq2());
20*f000744eSPrasad Kummari 	}
21*f000744eSPrasad Kummari }
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