coreboot-kgpe-d16/src/arch/arm64/arch_timer.c
T Michael Turney 3775f1c0e1 arm64: Add ARCH Timer
SoC sdm845 uses ARCH Timer

Change-Id: I45e2d4d2c16a2cded3df20d393d2b8820050ac80
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Reviewed-on: https://review.coreboot.org/25612
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
2018-04-30 06:25:58 +00:00

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C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 <timer.h>
#include <arch/lib_helpers.h>
void timer_monotonic_get(struct mono_time *mt)
{
uint64_t tvalue = raw_read_cntpct_el0();
uint32_t tfreq = raw_read_cntfrq_el0();
long usecs = (tvalue * 1000000) / tfreq;
mono_time_set_usecs(mt, usecs);
}