| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <delay.h> |
| #include <soc/timer.h> |
| #include <stdint.h> |
| #include <timer.h> |
| |
| static uint64_t timer_raw_value(void) |
| { |
| uint64_t value0; |
| uint64_t value1; |
| |
| value0 = (uint64_t)read32(&timer0_ptr->timer_cur_value0); |
| value1 = (uint64_t)read32(&timer0_ptr->timer_cur_value1); |
| |
| return value0 | value1<<32; |
| } |
| |
| void timer_monotonic_get(struct mono_time *mt) |
| { |
| mono_time_set_usecs(mt, timer_raw_value() / clocks_per_usec); |
| } |
| |
| void init_timer(void) |
| { |
| write32(&timer0_ptr->timer_load_count0, TIMER_LOAD_VAL); |
| write32(&timer0_ptr->timer_load_count1, TIMER_LOAD_VAL); |
| write32(&timer0_ptr->timer_load_count2, 0); |
| write32(&timer0_ptr->timer_load_count3, 0); |
| write32(&timer0_ptr->timer_ctrl_reg, 1); |
| } |