mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-08-14 08:27:00 +02:00
a28471722a
This commit is a preparation for upcoming support for OcteonTX and OcteonTX2 product families. Armada platform related files (docs, plat, include/plat) are moved to the new "armada" sub-folder. Change-Id: Icf03356187078ad6a2e56c9870992be3ca4c9655 Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com> Signed-off-by: Marcin Wojtas <mw@semihalf.com>
35 lines
783 B
C
35 lines
783 B
C
/*
|
|
* Copyright (C) 2018 Marvell International Ltd.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
* https://spdx.org/licenses
|
|
*/
|
|
|
|
#include <arch_helpers.h>
|
|
#include <drivers/delay_timer.h>
|
|
|
|
#include <mvebu_def.h>
|
|
|
|
#define SYS_COUNTER_FREQ_IN_MHZ (COUNTER_FREQUENCY/1000000)
|
|
|
|
static uint32_t plat_get_timer_value(void)
|
|
{
|
|
/*
|
|
* Generic delay timer implementation expects the timer to be a down
|
|
* counter. We apply bitwise NOT operator to the tick values returned
|
|
* by read_cntpct_el0() to simulate the down counter.
|
|
*/
|
|
return (uint32_t)(~read_cntpct_el0());
|
|
}
|
|
|
|
static const timer_ops_t plat_timer_ops = {
|
|
.get_timer_value = plat_get_timer_value,
|
|
.clk_mult = 1,
|
|
.clk_div = SYS_COUNTER_FREQ_IN_MHZ
|
|
};
|
|
|
|
void plat_delay_timer_init(void)
|
|
{
|
|
timer_init(&plat_timer_ops);
|
|
}
|