| Angel Pons | bbc99cf | 2020-04-04 18:51:23 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| huang lin | c14b54d | 2016-03-02 18:38:40 +0800 | [diff] [blame] | 2 | |
| Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 3 | #include <device/mmio.h> |
| huang lin | c14b54d | 2016-03-02 18:38:40 +0800 | [diff] [blame] | 4 | #include <delay.h> |
| 5 | #include <soc/timer.h> |
| 6 | #include <stdint.h> |
| 7 | #include <timer.h> |
| 8 | |
| 9 | static uint64_t timer_raw_value(void) |
| 10 | { |
| 11 | uint64_t value0; |
| 12 | uint64_t value1; |
| 13 | |
| 14 | value0 = (uint64_t)read32(&timer0_ptr->timer_cur_value0); |
| 15 | value1 = (uint64_t)read32(&timer0_ptr->timer_cur_value1); |
| 16 | |
| 17 | return value0 | value1<<32; |
| 18 | } |
| 19 | |
| 20 | void timer_monotonic_get(struct mono_time *mt) |
| 21 | { |
| 22 | mono_time_set_usecs(mt, timer_raw_value() / clocks_per_usec); |
| 23 | } |
| 24 | |
| 25 | void init_timer(void) |
| 26 | { |
| 27 | write32(&timer0_ptr->timer_load_count0, TIMER_LOAD_VAL); |
| 28 | write32(&timer0_ptr->timer_load_count1, TIMER_LOAD_VAL); |
| 29 | write32(&timer0_ptr->timer_load_count2, 0); |
| 30 | write32(&timer0_ptr->timer_load_count3, 0); |
| 31 | write32(&timer0_ptr->timer_ctrl_reg, 1); |
| 32 | } |