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/*
* Xilfpga clocksource/timer setup
*
* Copyright (C) 2015 Imagination Technologies
* Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/of.h>
#include <asm/time.h>
void __init plat_time_init(void)
{
struct device_node *np;
struct clk *clk;
of_clk_init(NULL);
clocksource_probe();
np = of_get_cpu_node(0, NULL);
if (!np) {
pr_err("Failed to get CPU node\n");
return;
}
clk = of_clk_get(np, 0);
if (IS_ERR(clk)) {
pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk));
return;
}
mips_hpt_frequency = clk_get_rate(clk) / 2;
clk_put(clk);
}
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