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