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/*
* 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.
*/
#include <arch/io.h>
#include <libpayload.h>
#include <stdint.h>
struct rk_timer {
u32 timer_load_count0;
u32 timer_load_count1;
u32 timer_curr_value0;
u32 timer_curr_value1;
u32 timer_ctrl_reg;
u32 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_LP_TIMER_RK_ADDRESS;
lower = (uint64_t) rk_timer->timer_curr_value0;
upper = (uint64_t) rk_timer->timer_curr_value1;
return (upper << 32) | lower;
}
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