730c1fad0e
Implement generic time support for MN10300. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com>
36 lines
945 B
C
36 lines
945 B
C
/* MN10300 clocksource
|
|
*
|
|
* Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
|
|
* Written by Mark Salter (msalter@redhat.com)
|
|
*
|
|
* 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_set_clock(&clocksource_mn10300, MN10300_TSCCLK);
|
|
clocksource_register(&clocksource_mn10300);
|
|
return 0;
|
|
}
|