csrc-mn10300.c

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/* MN10300 clocksource
 *
 * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
 * Written by Mark Salter ([email protected])
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#include <linux/clocksource.h>
#include <linux/init.h>
#include <asm/timex.h>
#include "internal.h"

static cycle_t mn10300_read(struct clocksource *cs)
{
    return read_timestamp_counter();
}

static struct clocksource clocksource_mn10300 = {
    .name   = "TSC",
    .rating = 200,
    .read   = mn10300_read,
    .mask   = CLOCKSOURCE_MASK(32),
    .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
};

int __init init_clocksource(void)
{
    startup_timestamp_counter();
    clocksource_register_hz(&clocksource_mn10300, MN10300_TSCCLK);
    return 0;
}