Merge branch 'master' into csb1725

[mv-sheeva.git] / 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 (file)
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 <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;
+}