From 730c1fad0ee22a170d2ee76a904709ee304931c0 Mon Sep 17 00:00:00 2001 From: Mark Salter Date: Wed, 27 Oct 2010 17:28:57 +0100 Subject: MN10300: Generic time support Implement generic time support for MN10300. Signed-off-by: Mark Salter Signed-off-by: David Howells --- arch/mn10300/kernel/csrc-mn10300.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 arch/mn10300/kernel/csrc-mn10300.c (limited to 'arch/mn10300/kernel/csrc-mn10300.c') diff --git a/arch/mn10300/kernel/csrc-mn10300.c b/arch/mn10300/kernel/csrc-mn10300.c new file mode 100644 index 0000000..ba2f0c4 --- /dev/null +++ b/arch/mn10300/kernel/csrc-mn10300.c @@ -0,0 +1,35 @@ +/* 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 +#include +#include +#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; +} -- cgit v1.1