32 lines
610 B
C
32 lines
610 B
C
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/*
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* Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <drivers/delay_timer.h>
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#include <lib/mmio.h>
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#include <tegra_def.h>
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#include <tegra_private.h>
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static uint32_t tegra_timerus_get_value(void)
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{
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return mmio_read_32(TEGRA_TMRUS_BASE);
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}
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/*
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* Initialise the on-chip free rolling us counter as the delay
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* timer.
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*/
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void tegra_delay_timer_init(void)
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{
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static const timer_ops_t tegra_timer_ops = {
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.get_timer_value = tegra_timerus_get_value,
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.clk_mult = 1,
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.clk_div = 1,
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};
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timer_init(&tegra_timer_ops);
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}
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