| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Rockchip Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <arch/io.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(&timer7_ptr->timer_curr_value0); |
| value1 = (uint64_t)read32(&timer7_ptr->timer_curr_value1); |
| value0 = value0 | value1<<32; |
| return value0; |
| } |
| |
| void timer_monotonic_get(struct mono_time *mt) |
| { |
| mono_time_set_usecs(mt, timer_raw_value() / clocks_per_usec); |
| } |
| |
| void init_timer(void) |
| { |
| write32(&timer7_ptr->timer_load_count0, TIMER_LOAD_VAL); |
| write32(&timer7_ptr->timer_load_count1, TIMER_LOAD_VAL); |
| write32(&timer7_ptr->timer_ctrl_reg, 1); |
| } |