coreboot-kgpe-d16/payloads/libpayload/drivers/timer/mtk_timer.c
Yidi Lin 7267ccbae8 libpayload: add mediatek timer driver
Change-Id: Ifb19cf97d4db6c7394521e549968a0cfb6ed1c75
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 0137652ca07e290bb3cb1cc82a00b44ac7bcc7bf
Original-Change-Id: Ica649927d3533c847b24e520e8fe73d75fb9e786
Original-Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/257375
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/10170
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-05-18 13:20:00 +02:00

34 lines
1 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright 2014 MediaTek 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/io.h>
#include <libpayload.h>
#include <libpayload-config.h>
#include <stdint.h>
static uint32_t *const mtk_tmrus = (void*)CONFIG_LP_TIMER_MTK_ADDRESS;
uint64_t timer_hz(void)
{
return CONFIG_LP_TIMER_MTK_HZ;
}
uint64_t timer_raw_value(void)
{
return (uint64_t)readl(mtk_tmrus);
}