| Varun Wadekar | bc74fec | 2015-07-16 15:47:03 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
| Varun Wadekar | bc74fec | 2015-07-16 15:47:03 +0530 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <delay_timer.h> |
| 8 | #include <mmio.h> |
| 9 | #include <tegra_def.h> |
| 10 | |
| 11 | static uint32_t tegra_timerus_get_value(void) |
| 12 | { |
| 13 | return mmio_read_32(TEGRA_TMRUS_BASE); |
| 14 | } |
| 15 | |
| 16 | static const timer_ops_t tegra_timer_ops = { |
| 17 | .get_timer_value = tegra_timerus_get_value, |
| 18 | .clk_mult = 1, |
| 19 | .clk_div = 1, |
| 20 | }; |
| 21 | |
| 22 | /* |
| 23 | * Initialise the on-chip free rolling us counter as the delay |
| 24 | * timer. |
| 25 | */ |
| 26 | void tegra_delay_timer_init(void) |
| 27 | { |
| 28 | timer_init(&tegra_timer_ops); |
| 29 | } |