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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2018 Sascha Hauer <s.hauer@pengutronix.de>
*/
#include <common.h>
#include <init.h>
#include <clock.h>
#include <linux/clk.h>
#include <io.h>
#include <asm/system.h>
static uint64_t arm_arch_clocksource_read(void)
{
return get_cntpct();
}
static struct clocksource cs = {
.read = arm_arch_clocksource_read,
.mask = CLOCKSOURCE_MASK(64),
.shift = 0,
};
static int arm_arch_timer_probe(struct device_d *dev)
{
cs.mult = clocksource_hz2mult(get_cntfrq(), cs.shift);
return init_clock(&cs);
}
static struct of_device_id arm_arch_timer_dt_ids[] = {
{ .compatible = "arm,armv7-timer", },
{ .compatible = "arm,armv8-timer", },
{ }
};
static struct driver_d arm_arch_timer_driver = {
.name = "arm-architected-timer",
.probe = arm_arch_timer_probe,
.of_compatible = DRV_OF_COMPAT(arm_arch_timer_dt_ids),
};
postcore_platform_driver(arm_arch_timer_driver);
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