| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Rockchip Electronics |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc. |
| */ |
| |
| #include <stdint.h> |
| |
| #include "drivers/timer/timer.h" |
| |
| struct rk_timer { |
| uint32_t timer_load_count0; |
| uint32_t timer_load_count1; |
| uint32_t timer_curr_value0; |
| uint32_t timer_curr_value1; |
| uint32_t timer_ctrl_reg; |
| uint32_t timer_int_status; |
| }; |
| |
| uint64_t timer_hz(void) |
| { |
| return 24000000; |
| } |
| |
| uint64_t timer_raw_value(void) |
| { |
| uint64_t upper; |
| uint64_t lower; |
| struct rk_timer *rk_timer; |
| rk_timer = (struct rk_timer *)CONFIG_DRIVER_TIMER_ROCKCHIP_ADDRESS; |
| lower = (uint64_t)rk_timer->timer_curr_value0; |
| upper = (uint64_t)rk_timer->timer_curr_value1; |
| return (upper << 32) | lower; |
| } |